• 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:
    According to the invention, by fitting a slide valve (2) between a grease container (1) and a grease lubrication pump (3), replacement and mounting of the grease container can take place without spillage at the outlet of grease during assembly, the outlet part having to face downwards during assembly. By fitting the system with a slide valve, this can close the grease outlet during installation and then open it. The slide valve (2) comprises a flat central part (10) with an opening (11), which part can be displaced relative to an overlying inlet part (4) and an underlying outlet part (8), and thus by displacing the sliding part to be able to open and close for passage. To hold these parts (4, 8, 10) together, a magnet (6, 7) is embedded in each of the two parts (4, 8), thereby ensuring a tight joint without air penetration and also that any metal particles are retained of the magnets (6, 7).
    公开号:DK201800859A1
    申请号:DKP201800859
    申请日:2018-11-14
    公开日:2020-07-01
    发明作者:Hove Thomas
    申请人:Danhydra As；
    IPC主号:
    专利说明:

    SLIDE VALVE
    The prior art
    The invention relates to a slide valve, preferably for use in a grease lubrication system, which valve is mounted between a grease container and a pump, and wherein the system comprises an inlet part with means for mounting the grease container, and an outlet part with connection to the pump.
    Grease lubrication systems of this kind are widely used for lubrication of bearings and the like, where security is required for stable lubrication without the need for any service other than ensuring the sufficient amount of grease.
    The grease can be stored in a grease container, which may be resilient, and from which the grease can be sucked for pumping via pipes, hoses to the individual lubrication points.
    When replacing such a grease container, a problem arises when the grease container must be removed and mounted on the pump, as the outlet of the container during installation must face downwards in order to be mounted on the pump.
    In practice, this means that grease can flow out of the container during assembly, which is partly a nuisance for the staff and a nuisance during subsequent wiping, and partly this leads to an unnecessary waste of grease.
    The object of the invention
    It is the object of the invention to remedy these disadvantages and nuisances and this is remedied according to the invention by means of a slide valve which comprises a slider which is provided with an opening, which slider and thus opening can be displaced relative to the passage in the inlet and outlet part to barrier and opening for fat passage, respectively.
    In this way, the inlet part of the system can be mounted on the grease container in one position
    DK 2018 00859 A1 where its outlet faces upwards and with the valve in its closed position, after which the container can be turned and mounted on the pump without risk of grease leakage, after which the valve can be opened. Hereby a grease container can be replaced and mounted on a pump without grease flowing out, and with safety against air mixing in the grease, as there is no access for the air.
    By embedding magnets in both the inlet and outlet part, as claimed in claim 2, these parts will be attracted to each other and thus rest firmly against the upper and lower side of the slider. This also ensures that the grease remains inside the passage and that the grease is scraped off in the passage during the slider's displacement.
    By designing the magnets as ring magnets as claimed in claim 3, an evenly distributed attraction and thus abutment pressure is obtained to ensure the tightness so that the grease remains inside the passage and air is prevented from being sucked in.
    By, as claimed in claim 4, providing the slider with an outer edge, the movement of the slider will be limited to an open or a closed position.
    Finally, it is expedient, as referred to in claim 4, to use the valve for shut-off during the assembly of the grease container, just as the magnets ensure that any metal particles are retained and thus that the grease is clean.
    The drawing
    An example of a preferred embodiment according to the invention will be described in more detail below with reference to the drawing, in which fig. 1 shows a system comprising a grease container, a slide valve and a pump, fig. Fig. 2 shows a sectional view of the valve in open position between the inlet and outlet part; 3 shows a sectional view of the valve in the closed position and
    DK 2018 00859 A1 fig. 4 shows the outlet part and the slider seen from below.
    Description of the embodiment
    An example of a grease lubrication system is shown in fig. 1. It consists of a grease container 1, which in the example shown has a resilient side wall.
    The grease outlet at the bottom is designed as a threaded connection, which can be screwed together with an inlet part 4, as will be explained later.
    The inlet part 4, which has a passage 9, can be closed off with a slide valve 10, and finally below this an outlet part 8 is mounted, which can be mounted on the suction side of a grease pump 3.
    The unit itself with inlet and outlet part is shown in fig. 2 and 3.
    In the example shown, the inlet part 4 is provided with a passage 9 and furthermore with an internal thread 5 at the top, which can be screwed to the outlet connection of the grease container 1.
    Below the inlet part 4 runs a plate-shaped slider 10, which is shown from below in fig. 4th
    This slider comprises a flat part 10 with a through-opening 11, corresponding to the passage opening 9 on the inlet and outlet parts 4 and 8.
    Along the edge of the flat part there is on both sides a raised edge 12, which has the purpose of limiting the movement of the slider between an open, fig. 2, and a closed one, fig. 3, position.
    To operate the slider, it is equipped with a finger grip on one side.
    DK 2018 00859 A1
    Below the slider 10 an outlet part 8 extends.
    To hold the two parts 4 and 8 together around the slider 10, a magnet 6 and 7 is embedded in each part, which in the example shown are ring magnets.
    With the help of these magnets a permanent cohesion of the parts is achieved while the displacement of the slider is ensured.
    In addition, the comparison contributes to a completely tight passage for the grease, which is below a certain pump negative pressure.
    The joining of the parts also causes grease to be scraped off by the slider and remain inside the opening 11 and furthermore air cannot be sucked into the grease.
    Finally, the magnets 6 and 7 ensure that any metal particles in the grease are held to the magnets so that the grease is kept free of any metal particles.
    The valve with associated inlet and outlet parts is used to advantage in grease lubrication systems, where grease containers are used, which must be replaced as they are emptied.
    Until now, this is only possible with the grease container outlet facing downwards, which has caused inconvenience in connection with grease outlet. By means of the valve according to the invention, it will be possible to screw in the outlet part 4 of the grease container with it in the upright position, and with the slider 10 in its closed position, as shown in fig. Third
    The container 1 can then be turned over and mounted on the suction connection of the pump 3.
    This ensures a completely spill-free installation, just as there is safety against
    DK 2018 00859 A1 air mixture in the grease, as there is an airtight system against the slider's sliding surface.
    When the container is empty, the valve can be closed again and the container can be removed in an upright position and no grease leakage will occur.
    权利要求:
    Claims (5)
    [1]
    Sliding valve, preferably for use in a grease lubrication system, which valve is mounted between a grease container and a pump, and the system comprises an inlet part with means for mounting the grease container, and an outlet part with connection to the pump, characterized in that the valve comprises a slider (10), which is provided with an opening (11), which slider (10) and thus opening (11) can be displaced relative to the passage (9) in the inlet and outlet part (4 and 8) for closing and opening, respectively. for fat passage.
    [2]
    Sliding valve according to Claim 1, characterized in that a magnet (6 and 7) is embedded in the inlet part (4) as well as in the outlet part (8) which abuts against the upper side and lower side of the slider (10), respectively.
    [3]
    Sliding valve according to Claim 2, characterized in that the magnets (6 and 7) are annular with an opening (9) corresponding to the passage (9) of the inlet part (4) and the outlet part (8).
    [4]
    Sliding valve according to claims 1-3, characterized in that the flat part (10) of the slider is provided with an edge (12) extending along the edge to limit the displaceability of the slider (10).
    [5]
    Use of the slide valve according to claims 1-4, characterized in that it is used to shut off the grease outlet from a grease container (1) during its connection to the pump (3), in order to then be able to be opened for full flow to the pump (3). ) and retention of any metal particles in the grease.
    类似技术:
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    同族专利:
    公开号 | 公开日
    US20220018496A1|2022-01-20|
    DK180249B1|2020-09-15|
    WO2020099313A1|2020-05-22|
    EP3880994A1|2021-09-22|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    SE424670B|1979-03-13|1982-08-02|Saab Scania Ab|SKJUTSPJELLVENTIL|
    JPS6018670A|1983-07-08|1985-01-30|Toshiba Corp|High-speed valve|
    JPS60159500A|1984-01-31|1985-08-20|I D C Kk|Grease supply device|
    CN2234022Y|1995-01-03|1996-08-28|薛恩培|Permanent magnet type fluid valve without leakage|
    US10711901B2|2016-10-10|2020-07-14|Waleed Sami Haddad|Magnetic self-centering valve|
    法律状态:
    2020-07-01| PAT| Application published|Effective date: 20200515 |
    2020-09-15| PME| Patent granted|Effective date: 20200915 |
    优先权:
    申请号 | 申请日 | 专利标题
    DKPA201800859A|DK180249B1|2018-11-14|2018-11-14|SLIDING VALVE|DKPA201800859A| DK180249B1|2018-11-14|2018-11-14|SLIDING VALVE|
    EP19809697.6A| EP3880994A1|2018-11-14|2019-11-11|Valve unit|
    US17/292,484| US20220018496A1|2018-11-14|2019-11-11|Valve unit|
    PCT/EP2019/080855| WO2020099313A1|2018-11-14|2019-11-11|Valve unit|
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