• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a domestic appliance control arrangement (23) with a drive shaft (18), with a control handle (24) disposed in a torsion-resistant manner adjacent to the drive shaft (18), which has a fastening element (25) for fixing the control handle (24) to the drive shaft (18), wherein the fastening element (25) is configured to establish a frictional adhesion connection with the drive shaft (18) ), so that the press fit force (fauf) when the control handle (24) snaps onto the drive shaft (18) in the axial direction (a) of the latter it is smaller than the extraction force (fab) when the control handle (24) is removed from the drive shaft (18) against the axial direction (a) thereof. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2590534A1
    申请号:ES201530706
    申请日:2015-05-22
    公开日:2016-11-22
    发明作者:Luis Antonio Palacios Valdueza；Emilio Placer Maruri；Roberto SAIZ GONZALEZ
    申请人:BSH Hausgeraete GmbH；BSH Electrodomesticos Espana SA；
    IPC主号:
    专利说明:

    image 1 PROVISION OF DOMESTIC APPLIANCE CONTROL, GAS VALVE, AND GAS COOKING POINT DESCRIPTION
    The present invention refers to a household appliance control arrangement, a gas valve, and a gas cooking point.
    A gas cooking point may have a gas valve that is operable by means of a drive shaft, next to which a drive handle may be provided. The drive handle can be fitted on the drive shaft. To prevent the gas valve from deteriorating, it is desirable that during
    10 mounting the drive handle next to the drive shaft applies the least possible force on it. Also, it is desirable that the greatest possible extraction force be obtained to remove the drive handle from the drive shaft, in order to prevent the user from involuntarily or voluntarily removing the drive handle from the drive shaft.
    In the face of such background, the present invention solves the technical problem of providing a better home appliance control arrangement.
    Therefore, a home appliance control arrangement with a drive shaft is proposed, with a drive handle disposed in a torsion-resistant manner next to the drive shaft, which has a fixing element for fixing the drive handle.
    20 drive shaft drive. The fixing element is configured to establish a friction adhesion joint with the drive shaft, so that the force of snap fit when the control handle on the drive shaft is snapped in the axial direction of the latter is smaller that the extraction force when the drive handle of the drive shaft is pulled against its axial direction.
    25 In this way, it is avoided or at least difficult for the control handle to be removed from the drive shaft. Preferably, the extraction force is greater than the snap fit force by a defined factor, and is preferably greater than 40 N, more preferably, greater than 50 N and, more preferably, greater than 60 N The snap fit force is preferably less than 40 N, more preferably, less than 30 N
    30 and, more preferably, less than 20 N. The predefined factor may be 0.8, preferably, 0.7, more preferably, 0.6, more preferably, 0.5 and , more preferably, at 0.4. The control handle can be made of several pieces, and can have an actuation section, a housing section fixed to the actuation section, an intermediate ring disposed between the actuation section and the accommodation section, and a sealing element that be arranged between the housing section and a cooking field plate of the gas cooking point.
    image2
    According to one embodiment, the control handle is made of a plastic material.
    As an example, the control handle can be made of acrylonitrile-butadiene styrene (ABS), and is a component of injection molded plastic, and can thus be manufactured in large quantities economically.
    According to another embodiment, the control handle and the fixing element are made in one piece.
    In this way, the control handle and the fixing element can be manufactured particularly economically. Specifically, the control handle and the fixing element are made in one piece in terms of the material.
    According to another embodiment, the control handle and the fixing element are separate components.
    The fixing element can be joined by quick fitting, joined by elastic fitting, screwed, or riveted with the control handle. In addition, the fixing element may be attached with the control handle.
    According to another embodiment, the fixing element is made of a metallic material.
    In particular, the fixing element may be made of a steel material. Preferably, the material of the fixing element has a greater hardness than the material of the drive shaft.
    According to another embodiment, the fixing element is in the form of a comb.
    By means of the comb-shaped embodiment, it is achieved that the fixing element rests on the drive shaft in several areas in the form of a point or line.
    According to another embodiment, the fixing element is configured to engage in a lateral flattening of the drive shaft.
    image3
    The lateral flattening of the drive shaft can have a high surface roughness. Preferably, the fixing element is provided to plastically deform, in particular, microscopically, the surface. In this way, a particularly good connection of the fixing element with the lateral flattening is guaranteed.
    According to another embodiment, the fixing element has teeth, which are oriented towards the lateral flattening of the drive shaft.
    By way of example, the fixing element can have three or four teeth. When the fixing element has teeth, a particularly good engagement with the lateral flattening surface of the drive shaft is possible. Preferably, the teeth have sharp edges.
    Likewise, a gas valve with a control arrangement of domestic appliance of the exposed type is proposed.
    The gas valve comprises the drive shaft, and is preferably a gradual gas valve, also called a step valve.
    In addition, a gas cooking point is proposed with a household appliance control arrangement of the exposed type and / or with a gas valve of the exposed type.
    The gas cooking point is a household appliance or part of a household appliance.
    Other possible implementations of the home appliance control arrangement, the gas valve and / or the gas cooking point also comprise combinations not explicitly mentioned of features or embodiments described above, or in relation to the examples of realization. Here, the person skilled in the art will also add particular aspects such as improvements or complements to the respective basic form of the home appliance control arrangement, the gas valve and / or the gas cooking point.
    Other configurations and advantageous aspects of the home appliance control arrangement, the gas valve and / or the gas cooking point are subject to the secondary claims, as well as to the embodiments of the household appliance control arrangement. , of the gas valve and / or of the gas cooking point described below. Next, the home appliance control arrangement, the gas valve and / or the gas cooking point are explained in more detail by means of preferred embodiments, with reference to the attached figures.
    image4
    Fig. 1 shows a schematic perspective view of an embodiment of a gas cooking point;
    Fig. 2 shows a schematic side view of an embodiment of a household appliance control arrangement for the gas cooking point according to Figure 1;
    Fig. 3 shows a schematic sectional view of the home appliance control arrangement according to figure 2;
    Fig. 4 shows a schematic exploded perspective view of a control handle for the home appliance control arrangement according to Figure 2;
    Fig. 5 shows a schematic perspective view of an embodiment of a housing section for the control handle according to figure 4;
    Fig. 6 shows another schematic perspective view of the housing section according to figure 5;
    Fig. 7 shows a schematic side view of the housing section according to figure 5;
    Fig. 8 shows a schematic side view of the home appliance control arrangement according to figure 2; Y
    Fig. 9 shows a schematic sectional view of the home appliance control arrangement according to figure 2.
    In the figures, the same or equal function elements have been provided with the same reference symbols, as long as nothing else is indicated.
    Figure 1 shows a schematic perspective view of a gas cooking point 1. The gas cooking point 1 is a domestic appliance or part of a domestic appliance such as, for example, part of a gas cooker, and comprises a cooking countertop tray
    2. Preferably, the cooking hob tray 2 is made of a steel plate, and has a support flange 3 that surrounds the cooking hob tray 2 at least by sections. In addition, the cooking countertop tray 2 comprises a floor 4, a rear wall 5, a front wall 6 arranged in front of the rear wall 5, and two side walls 7, 8 arranged opposite each other. The gas cooking point 1 further comprises several gas burners 9 to 12. The amount of gas burners 9 to 12 may be as desired. In Figure 1, only the lower parts of the gas burners 9 to 12 are shown. The gas burners 9 to 12 are positioned within the cooking hob 2.
    image5
    The gas cooking point 1 further comprises a main gas conduit 13, to which several gas valves 14 to 17 are attached. Preferably, the amount of gas valves 14 to 17 coincides with the amount of gas burners 9 to 12. The gas valves 14 to 17 are configured to adjust the corresponding volumetric flow of gas directed towards the gas burners 9 to 12 associated therewith. Gas valves 14 to 17 may be made as the so-called gradual gas valves or step valves. Each gas valve 14 to 17 has a rotating drive shaft 18. The gas valves 14 to 17 are in fluid connection with the gas burners 9 to 12 associated therewith by the gas lines 19 to 22.
    Figure 2 shows a schematic side view of an embodiment of a household appliance control arrangement 23 for the gas cooking point 1, and Figure 3 shows a schematic sectional view of the household appliance control arrangement 23 Next, reference is made simultaneously to Figures 2 and 3.
    The home appliance control arrangement 23 comprises the drive shaft 18 of a gas valve 17 and a control handle 24 disposed in a torsion-resistant manner next to the drive shaft 18. The control handle 24 comprises a fixing element 25 for fixing the control handle 24 to the drive shaft 18. The fixing element 25 is configured to establish a friction grip joint with the drive shaft 18, so that the pressure snap force FAuf when snapped the control handle 24 on the drive shaft 18 in the axial direction A thereof is smaller than the pull force FAb when the control handle 24 is removed from the drive shaft 18 against the axial direction A. The drive shaft 18 has preferably a lateral flattening 26. Figures 2 and 3 show the control handle 24 in the state fitted on the drive shaft 18.
    Figure 4 shows the control handle 24 in a schematic exploded perspective view. The control handle 24 has an actuation section 27, which has two lateral flaps by which it can be grasped by the user. The drive section 27 also has a base section 28, which can be circular. From the bottom side of the base section 28, snap hooks 29 protrude to fit the drive section 27 with a housing section 30 of the control handle 24.
    image6
    An intermediate ring 31 is positioned between the housing section 30 and the drive section 27, and a sealing element 32 is provided below the housing section 30, which may be provided between a cooking field plate of the cooking point gas 1 and the housing section 30. The sealing element 32 can be made of a plastic material, which can be, in particular, elastically deformable as a spring.
    Figures 5 and 6 show the housing section 30, in each case in a schematic perspective representation, and Figure 7 shows the housing section 30 in schematic side view. Next, reference is made simultaneously to Figures 5 to 7.
    The housing section 30 has a disc-shaped base body 33, the upper side of which two drive elements 34, 35 stand out. The drive elements 34, 35 may be reinforced with ribs 36, 37, and engage in drive dragging. shape in the drive section 27. In the base body 33, openings 38 are also provided for the snap hooks 29 of the drive section 27. Furthermore, a positioning groove 39 is provided on the perimeter of the base body 33, in the which engages a positioning element 40 (figure 4) of the drive section 27.
    From the lower side of the base body 33, opposite the drive elements 34, 35, a first housing area 41 and a second housing area 42 protrude. Between the housing areas 41, 42, the drive shaft 18. is housed. In a preferred manner, the first housing area 41 has a tubular geometry, which is divided by the center in its longitudinal direction, and the second housing area 42 is in the form of a plate
    or of parallelepiped.
    The housing section 30 further presents the fixing element 25, which is disposed between the first housing area 41 and the second housing area 42 and can be made in one piece in terms of the material with the housing section 30, in concrete, with one of the housing areas 41, 42. Preferably, the fixing element 25 and the housing section 30 are made of a plastic material. By way of example, the housing section 30 is an injection molded plastic component. Alternatively, the fixing element 25 may be made of a material different from that of the housing section 30, for example, of a metallic material.


    The fixing element 25 is made in the form of a comb, and has teeth 43 to 45. By way of example, three teeth 43 to 45 may be provided, although the amount of teeth 43 to 45 may be as desired. The teeth 43 to 45 with sharp edges point in the direction of the lateral flattening 26 of the drive shaft 18, and are 5 configured to engage on a surface of the lateral flattening 26, being able to be configured to plastically deform the flattening surface 26 of the driving shaft. drive 18. In this way, a particularly good engagement of teeth 43 to 45 is achieved on the surface of the lateral flattening 26. A side hole 46 may be provided in the fixing element 25. To disassemble the control handle 24, a
    The tool 10 can be inserted into the hole 46, and the comb-shaped fixing element 25 can be removed by exerting pressure from the surface of the lateral flattening 26 of the drive shaft 18. In this way, the control handle 24 can be removed of drive shaft 18.
    Figures 8 and 9 show in side view and in section view, respectively, the handle 15 in the state removed from the drive shaft 18.
    Since the extraction force FAb is greater than the pressure fitting force FAuf, it is not possible or at least difficult for the control handle 24 to be involuntarily or voluntarily removed from the drive shaft 18. Thus, meet the safety requirements imposed on the gas cooking point 1. The sealing element 32 guarantees a
    20 secure sealing of the home appliance control arrangement 23. The control handle 24 can be mounted without additional parts and without tools, and its design can be chosen freely.

    Reference symbols
    one Gas cooking point
    2 Cooking countertop tray
    3 Support flange
    4 Ground
    5 Back wall
    6 Front wall
    7 Side wall
    8 Side wall
    9 Gas burner
    10 Gas burner
    eleven Gas burner
    12 Gas burner
    13 Main gas duct
    14 Gas valve
    fifteen Gas valve
    16 Gas valve
    17 Gas valve
    18 Drive shaft
    19 Gas duct
    twenty Gas duct
    twenty-one Gas duct
    22 Gas duct
    2. 3 Provision of household appliance control
    24 Control handle
    25 Fixing element
    26 Flattening
    27 Drive section
    28 Base section
    29 Lace hook
    30 Accommodation section
    31 Intermediate ring
    32 Sealing element
    33 Base body


    3. 4 Drive element
    35 Drive element
    36 Nerve
    37 Nerve
    38 Opening
    39 Positioning slot
    40 Positioning element
    41 Accommodation area
    42 Accommodation area
    43 Tooth
    44 Tooth
    Four. Five Tooth
    46 Drill
    FAb Extraction force
    FAuf Snap fit force
    TO Axial direction
    权利要求:
    Claims (11)
    [1]
    image 1
    1. Control arrangement of domestic appliance (23) with a drive shaft (18), with a control handle (24) disposed in a torsion-resistant manner next to the drive shaft (18), which has an element of fixing (25) to fix the
    5 control handle (24) to the drive shaft (18), where the fixing element
    (25) is configured to establish a friction grip joint with the drive shaft (18), so that the snap-in force (FAuf) when the control handle (24) is snapped onto the drive shaft (18) in the axial direction (A) of the latter is less than the extraction force (FAb) when the handle is removed from
    10 drive (24) of the drive shaft (18) against its axial direction (A).
    [2]
    2. A household appliance control arrangement according to claim 1, characterized in that the control handle (24) is made of a plastic material.
    3. Control arrangement of the household appliance according to claim 1 or 2, characterized in that the control handle (24) and the fixing element (25) are made in one piece.
    [4]
    4. Provision of household appliance control according to claim 1 or 2,
    20 characterized in that the control handle (24) and the fixing element (25) are separate components.
    [5]
    5. Household appliance control arrangement according to claim 4, characterized in that the fixing element (25) is made of a metallic material.
    25
    [6]
    6. Household appliance control arrangement according to one of claims 1-5, characterized in that the fixing element (25) is in the form of a comb.
    [7]
    7. Provision of household appliance control according to one of claims 1-6,
    30 characterized in that the fixing element (25) is configured to engage in a lateral flattening (26) of the drive shaft (18).
    [8]
    8. Household appliance control arrangement according to claim 7, characterized in that the fixing element (25) has teeth (43-45), which are
    eleven
    image2
    oriented towards the lateral flattening (26) of the drive shaft (18).
    [9]
    9. Gas valve (14-17) with a home appliance control arrangement (23) according to one of claims 1-8.
    [10]
    10. Gas cooking point (1) with a household appliance control arrangement (23) according to one of claims 1-8 and / or with a gas valve (14-17) according to claim 9.
    12
    image3
    oriented towards the lateral flattening (26) of the drive shaft (18).
    [9]
    9. Gas valve (14-17) with a home appliance control arrangement (23) according to one of claims 1-8.
    [10]
    10. Gas cooking point (1) with a household appliance control arrangement (23) according to one of claims 1-8 and / or with a gas valve (14-17) according to claim 9.
    12
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    同族专利:
    公开号 | 公开日
    EP3096085A1|2016-11-23|
    EP3096085B1|2019-07-10|
    ES2590534B1|2017-10-19|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US1859794A|1927-08-23|1932-05-24|Norton Lab Inc|Means for connecting knobs to shafts|
    US2291560A|1940-10-28|1942-07-28|Rhodes Inc M H|Attachment means|
    US2670227A|1949-10-28|1954-02-23|Stromberg Carlson Co|Control knob and shaft connection|
    US2745689A|1955-02-23|1956-05-15|Tinnerman Products Inc|Knob connection or the like|
    US3130990A|1961-09-11|1964-04-28|Rohden Mfg Company Inc|Knob spring|
    US3338604A|1965-05-25|1967-08-29|United Carr Inc|Fastener for securing plastic members to a shaft|
    US3730571A|1972-02-28|1973-05-01|Trw Inc|Knob fastener|
    US4923325A|1988-06-03|1990-05-08|The Grigoleit Company|Friction fit knob|
    US4889443A|1988-12-02|1989-12-26|General Electric Company|Connection arrangement|
    ES2402638R1|2011-10-26|2013-11-12|Bsh Electrodomesticos Espana|Control element for valve, valve, combination of control element and valve, and household appliance|WO2021228830A1|2020-05-13|2021-11-18|BSH Hausgeräte GmbH|Gas stove|
    法律状态:
    2017-10-19| FG2A| Definitive protection|Ref document number: 2590534 Country of ref document: ES Kind code of ref document: B1 Effective date: 20171019 |
    优先权:
    申请号 | 申请日 | 专利标题
    ES201530706A|ES2590534B1|2015-05-22|2015-05-22|PROVISION OF DOMESTIC APPLIANCE CONTROL, GAS VALVE, AND GAS COOKING POINT|ES201530706A| ES2590534B1|2015-05-22|2015-05-22|PROVISION OF DOMESTIC APPLIANCE CONTROL, GAS VALVE, AND GAS COOKING POINT|
    EP16167939.4A| EP3096085B1|2015-05-22|2016-05-02|Household device control assembly, gas valve and cooker|
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