• 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:
    In the case of a dispenser for a flowable medium, comprising a housing (1) in which a container (3) having a bottom outlet (5) is provided at the top with a receptacle (10) for a replaceable stock (20), and an outlet (5) associated pump (17) are arranged, the container (3) has an air opening (4) which lies above the maximum level of the container (3). The air opening (4) is associated with a controllable closure device (12).
    公开号:AT518617A1
    申请号:T50336/2016
    申请日:2016-04-15
    公开日:2017-11-15
    发明作者:Georg Hagleitner Hans
    申请人:Georg Hagleitner Hans；
    IPC主号:
    专利说明:

    The invention relates to a dispenser for a flowable medium, comprising a housing in which a container having a lower-side outlet, which is provided at the top with a receptacle for a replaceable stock, and a pump associated with the outlet, wherein the container a Having above its maximum level lying air opening.
    From WO 2010/115223 a dispenser with a container and a replaceable stock, in particular soap, is known, in which the container can be removed from the dispenser housing and the outlet opening is provided to the feed pump out with a closing valve when the container. If a pump arranged on the underside of the container is actuated, a portion of the medium is dispensed from the container and the same amount flows from the stock inserted into the top-side receptacle into the container, so that the level in the container remains the same. In the container means are arranged, by means of which the detection of the lowering of the filling level indicates that the supply has been used up and must be replaced. Until the onset of a new supply medium is still discharged from the container.
    Since the container is airtight and the supply is contained in an airtight compressible Nachfüllkartusche, flows during the first filling of the dispenser, the medium from the reservoir into the container and the trapped air in the reservoir back into the supply. The dispenser works well as long as the medium to be dispensed is low viscosity and flows out of the supply at a sufficient rate. The problem is the discharge from the supply when the flow rate is lowered by environmental influences, such as lowering the ambient temperature, or a viscous medium is used.
    A dispenser of the type mentioned for dispensing soap from a container, on which a replaceable stock is placed, can be found in EP 1118300. In the opening of the container, a sleeve is arranged, which pierces a membrane of the supply and is associated with a spring-loaded valve. Air displaced from the container by the inflowing soap can therefore not be returned to the supply, but only via minimal marginal gaps between the container and the container
    Outflow neck of the stock, with this vent is above the maximum level.
    From AT 13192 U a method for producing the readiness for use of a soap dispenser is known, in which the air contained in the container is displaced by changing the conveying direction of the soap discharge. Details about the flow path in the air displacement are not described.
    The invention has for its object to further develop a dispenser of the type mentioned in order to fill the container quickly with the required amount of the medium from the stock over a wide range of viscosity - especially in the initial use of a supply - and possibly even while running Operation to ensure a sufficient Nachfließgeschwindigkeit from the stock.
    According to the invention this is achieved in that the air opening is associated with a - preferably electrically - controllable closure device.
    In any case, the dispenser according to the invention can process customary, low-viscosity media at room temperature in the usual way. If the container is empty and a full supply is inserted into the receptacle, the medium flows down into the container, and at the same time displaces the air contained in the container in countercurrent in the sealingly placed supply. The closure device associated with the air opening of the container remains closed. Increases now the viscosity of the medium, for example by cooling the ambient temperature, or a medium with higher viscosity is used, it may happen in previous dispensers that the filling of the container is too slow, or even omitted, since the air from the Container can not escape into the supply and an overpressure builds up in the container. The overpressure in the container can now according to the invention be selectively reduced by the fact that the closure device is opened and air flows out of the container through the air opening. In particular, in this case, the closure device is not provided directly at the air opening of the container but in an adjoining the air opening air line.
    In continuation of these possibilities, the outflow of a medium from the supply, whose viscosity is even higher, be assisted by the fact that the closure device is equipped with a mammalian pump, by means of which a suppression is generated in the container. Finally, it is also conceivable to provide the closure device with a reversible pump, so that the air opening and the subsequent air line to the closure device can be cleaned. By means of a reversible pump, such as a reversible peristaltic pump, if necessary, the discharge pump for the medium can be supported by an overpressure is built up in the container. In this case, a check valve on the receptacle for the stock of advantage.
    In a preferred embodiment in which the container has a lid on which the receptacle for the replaceable stock is provided, it is preferably provided that the lid has a protrusion which projects upwards above the receptacle and in which the air opening is formed. The receptacle preferably has a sliding fit for the supply, on both sides of which the protruding bulge of the cover is designed as a support for the inserted supply.
    In a further preferred embodiment, the container is associated with a device for detecting the level, and the closure device of the air opening preferably level-dependent actuated. This can be done in particular by means of a float arranged in the container. The movement of the float can be mechanically transferred to the closure device in a simple first embodiment.
    In a preferred embodiment, however, it is provided that the closure device of the air opening is electrically actuated, and that the float is associated with a permanent magnet which cooperates with an outer reed switch, and its signals via an electronic spring-loaded in the closed position solenoid valve, an electric Mammal pump or a reversible pump, such as a peristaltic pump to be transmitted.
    In combination with an electric mammal pump, a mechanical check valve in the closure device of the air opening is sufficient, which is spring-loaded in the closed position.
    In particular, the dispenser according to the invention is suitable for dispensing abrasive soap, ie soap with solid particles in the form of granules or the like. Other highly viscous media which have a viscosity of between 3000 and 12000 mPa.s, in particular between 5000 and 10000 mPa.s, at a temperature of 20 ° C., can likewise be dispensed in a dosed manner without problems.
    Hereinafter, the invention will be described in more detail with reference to the figures of the accompanying drawings, without being limited thereto. Show it:
    1 shows a dispenser for a flowable medium in an oblique view without front cover,
    2 shows the lid of the container of FIG. 1 in an oblique view from above,
    3 shows a schematic representation of the dispenser according to FIG. 1 with a closure device having a magnetic valve, FIG.
    4 shows a schematic representation of the dispenser according to FIG. 1 with a closure device having a mechanical non-return valve and a mammalian pump, FIG.
    5 shows a schematic representation of the dispenser according to FIG. 1 with a closure device having a reversible peristaltic pump, and FIG. 6 shows a schematic representation of the dispenser according to FIG. 1 with a mechanical closure device.
    The dispenser according to Fig. 1 has a wall-mountable housing 1, which is provided with a front cover, not shown. In the lower part of the housing 1, a container 3 is arranged, whose outlet 5 (FIG. 3) is assigned a discharge pump 17, in particular a motor-operated peristaltic pump. The container 3 is sealingly closed by a cover 6 in which a receptacle 10 with a sliding fit 11 and a central opening 9 (FIG. 2) is provided approximately centrally. In the receptacle 10 is a replaceable stock 20 a
    Medium, for example soap, Abrasivseife or the like used or inserted. On both sides of the receptacle 10 an upwardly projecting bulge 7 of the lid 6 is provided on which, as shown in FIGS. 3 to 5, the inserted stock 20 rests. If the medium is sufficiently fluid, it flows from the reservoir 20 down into the container 3 both during the first filling of the dispenser and later without difficulty, the air trapped in the container 3 escaping into the reservoir 20. From the container 3, the medium 2 can be dispensed in portions by means of the discharge pump 17.
    If the supply contains a medium 2 with a viscosity which increases so much with decreasing ambient temperature, or which is so high even at room temperature that it no longer or too slowly passes from the supply 20 into the container, then a support becomes necessary to be able to use the dispenser 1 as usual. The support results from an air opening 4 in the bulge 7 (Fig. 2, right), and a controllable closure device 12 associated with the air opening 4. The air opening 4 is arranged higher than the sliding seat 11 for the supply 20, so that from the supply 20 flowing down into the container 3 medium 2 could not pass through the air vent 4 even without a closure, since the supply 20 is sealed airtight.
    If the medium 2 is more viscous, the closure device 12 can be opened, and the air enclosed in the container 3 passes through the air opening 4 and the connected line 8 into the interior of the dispenser 1, whereby the medium 2 from the supply 20 into the container 3 can drain away. The reduction of the overpressure in the container 3 can be done, for example, by opening a spring-loaded in the closed position solenoid valve 14 (Fig. 3), which opens, for example, at an overpressure of 22 mbar.
    If it is not sufficient to reduce the overpressure in the container, since the viscosity of the medium 2 has become even higher in order to ensure the rapid outflow of the medium 2 from the supply 20, the closure device 12 can be shown in FIG. 4 , a mammal pump 18, which is preceded by a mechanical check valve 13. In this way, a negative pressure can be generated in the container 3, which again improves the outflow of the medium 2 from the supply 20.
    Fig. 5 also shows the possibility that the air is sucked out of the container 3 by means of a reversible pump 19, for example, also a peristaltic pump. This embodiment has the additional advantage that a cleaning of the line 8, the air opening 4 and possibly the emptied container 3 can be done by a cleaning agent introduced via the pump 19 and with the aid of the discharge 17 is removed. In this case, a check valve 21 is provided between the sliding seat 11 and the supply 20 (FIG. 5).
    As can be seen from FIGS. 3 to 5, the container 3 is provided with a filling level measuring device 15, which comprises a float 16. If the level drops, since medium 2 is removed via the discharge pump 17 without this being compensated from the supply 20, the level change is transmitted to an electronic unit, which then opens the closure device 12 in accordance with the preset values in order to vent the container 3.
    The features of the closure device 12 depend on the expected or predetermined viscosity values, ie. H. If it is to be expected that the mere venting according to FIG. 3 does not yet cause a sufficient flow rate from the supply 20 into the container 3, the dispenser is already provided with a pump 18, 19 according to FIG. 4 or FIG.
    In FIG. 4 and FIG. 5, an enclosure is numbered 22, which represents a splash-proof shielding of all electrical and electronic parts.
    Fig. 6 shows an embodiment in which the closure device 12 is controlled directly by the float 16. In extension of the support arm of the float 16, a valve tappet is provided which opens the arranged in the bulge 7 air opening 4 with increasing level in the container opens, so that air can escape via the line 8.
    Innsbruck, April 15, 2016
    权利要求:
    Claims (15)
    [1]
    A dispenser for a flowable medium, comprising a housing (1) in which a container (3) having a bottom outlet (5) provided at the top with a receptacle (10) for a replaceable stock (20), and a pump (17) associated with the outlet (5), the container (3) having an air opening (4) which lies above the maximum level of the container (3), characterized in that the air opening (4) has a - Is preferably associated electrically controllable closure device (12).
    [2]
    2. Dispenser according to claim 1, characterized in that to the air opening (4) a downwardly extending line (8) is connected, at the end of the closure device (12) is arranged.
    [3]
    3. Dispenser according to claim 1, characterized in that the closure device (12) is arranged directly on the air opening (4) of the container (3).
    [4]
    4. Dispenser according to one of claims 1 to 3, wherein the container (3) has a cover (6) on which the receptacle (10) for the replaceable stock (20) is provided, characterized in that the cover (6). a recess (7) which projects upwards above the receptacle (10) and in which the air opening (4) is formed.
    [5]
    5. Dispenser according to claim 4, characterized in that the receptacle (10) has a sliding seat (11), and the bulge (7) on both sides of the sliding seat (11) is designed as a support for the inserted stock (20).
    [6]
    6. Dispenser according to one of claims 1 to 5, wherein the container (3) is associated with a device (15) for detecting the level of the medium (2) in the container (3), characterized in that the closure device (12) of the air opening (4) level-dependent can be controlled.
    [7]
    7. Dispenser according to claim 6, characterized in that the means (15) for detecting the filling level in the container (3) arranged float (16).
    [8]
    8. Dispenser according to claim 6 or 7, characterized in that the closure device (12) of the air opening (4) is electrically or by the means (15) for detecting the level mechanically controllable.
    [9]
    9. Dispenser according to claim 7 and 8, characterized in that the float (16) is associated with a permanent magnet, wherein outside of the container (3) is provided with the permanent magnet cooperating reed contact.
    [10]
    A dispenser according to any one of claims 1 to 9, wherein the closure means (12) comprises a check valve (13), a solenoid valve (14), a mammalian pump (18), or a reversible pump (19).
    [11]
    11. Dispenser according to one of claims 1 to 10, characterized in that an optical or acoustic vacancy indicator is activated as soon as the level of the medium (2) in the container (3) decreases.
    [12]
    12. Dispenser according to one of claims 8 to 11, characterized in that all the electrical elements in a protected against splashing water enclosure (22) within the housing (3) are arranged.
    [13]
    13. Dispenser according to one of claims 1 to 12, characterized in that the supply (20) contains abrasive soap.
    [14]
    14. Dispenser according to one of claims 1 to 13, characterized in that the supply (20) contains a medium which, at a temperature of 20 ° C, a viscosity between 3000 and 12000 mPa.s, preferably between 5000 and 10000 mPa.s. having. Innsbruck, on
    [15]
    April 15, 2016
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    引用文献:
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
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