JP2009293688A - Hose joint device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a hose joint device which can be easily attached to an arbitrary faucet. <P>SOLUTION: A joint body 21 is molded from elastic material into a cylindrical shape. A seal part 23 having a faucet insertion hole 22 with a diameter smaller than the outer diameter of a water faucet 18 is integrally formed at the upper portion of the joint body 21. A tapered portion 24 having a diameter that gradually becomes smaller downwardly from the lower portion of the joint body 21, is integrally formed with the joint body 21 at the position where the tapered portion 24 can make contact with the top end of the faucet 18 inserted into the joint body 21 from the faucet insertion hole 22 of the seal part 23. A hose connecting portion 26 for connecting a hose that is supplied with water from the faucet 18 is integrally formed on the lower side of the tapered portion 24 via a flange portion 25. The joint body 21 is provided with a connection means 27 for connecting the joint body 21 to the faucet 18. The connection means 27 has a hook-and-loop fastener attaching part 28 integrally formed on one side surface of the joint body 21. One end of a hook-and-loop fastener 33 formed in a flat strip shape is secured to an attachment hole 29 formed in the hook-and-loop fastener attaching part 28. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a hose coupling device for connecting a hose to a water tap.

  When connecting a hose to a pipe on the water supply side, it is common to connect the hose fitted on the outer peripheral surface of the pipe by tightening it with a hose band (see, for example, Patent Document 1).

Moreover, what attached one joint part to the faucet, and was able to connect the other joint part by the side of a hose easily is known as a hose joint for washing machines (for example, refer patent document 2). .
JP 2007-333078 A (first page, FIG. 1) Japanese Utility Model Publication No. 3-34487 (1st page, FIG. 1-5)

  The hose band is not easy to tighten, and there is a problem that it takes time to install. On the other hand, a hose joint for a washing machine has the advantage that the other joint can be easily connected to one joint, but it remains attached to the faucet, so it can be used as a dedicated water supply. There is a problem of lack of versatility such as limited range and not being usable for any faucet such as public water supply.

  This invention is made | formed in view of such a point, and it aims at providing the hose coupling apparatus which can be easily attached to arbitrary faucets as needed.

  The invention described in claim 1 has a joint body portion molded into a cylindrical shape by an elastic material, and a faucet insertion port having a diameter smaller than the outer diameter of a water tap integrally molded at the upper portion of the joint body portion. A taper portion integrally formed with a gradually decreasing diameter from the lower portion of the joint body portion downward at a position where it can come into contact with the tip portion of the faucet inserted into the joint body portion from the faucet insertion port of the seal portion; A hose connection portion for connecting a hose that is integrally formed below the taper portion and receives water supplied from the faucet, and a coupling means for coupling the joint body portion provided in the joint body portion to the faucet. Hose coupling device.

  According to a second aspect of the present invention, the coupling means in the hose coupling device according to the first aspect includes a hook and loop fastener formed in a flat string shape.

  According to the first aspect of the present invention, the seal portion having a faucet insertion port smaller in diameter than the outer diameter of the tap faucet integrally formed on the upper portion of the joint body portion molded by the elastic material, and the seal portion With the taper part integrally molded at a position where it can come into contact with the tip of the faucet inserted into the joint body from the faucet insertion port, a double seal structure can be formed to ensure watertightness, and the faucet insertion port By connecting the joint body part to the faucet by the coupling means with the inserted faucet in close contact with the taper part, the joint body part can be easily attached to any faucet such as a public water supply as needed. It is easy to mount and versatile.

  According to the second aspect of the present invention, it is possible to simplify the operation of coupling the joint body portion to the faucet by the hook-and-loop fastener formed in a flat string shape, and the faucet inserted from the faucet insertion port is brought into close contact with the tapered portion. It is possible to securely hold the state.

  Hereinafter, the present invention will be described in detail with reference to an embodiment shown in FIGS.

  FIG. 5 shows a fire extinguishing equipment 10 using tap water installed on a street corner. When using this fire extinguishing equipment 10, the door plate 12 of the hose storage box 11 is opened, the water supply hose 13 is taken out, and the hose storage box 11 is removed. The joint portion provided at one end of the water supply hose 13 is connected to the water discharge hose 16 via the pipe joint 15 fixed to the back plate 14 of the water pipe, and the hose joint device 17 provided at the other end of the water supply hose 13 is connected to the park. Connect to the nearest water faucet 18 installed in a kitchen or washroom in a school or house, open this faucet 18 fully, and then pull out the water discharge hose 16 from the hose storage box 11 and the tip of the water discharge hose 16 The water discharger 19 connected to is directed to the fire occurrence point, the opening / closing valve 20 is opened, and water discharge is started.

  FIGS. 1 to 3 show the hose coupling device 17. The hose coupling device 17 has a joint body 21 formed into a cylindrical shape by an elastic material such as rubber. A seal portion 23 having a faucet insertion port 22 smaller in diameter than the outer diameter of the faucet 18 is integrally molded, and can be brought into contact with the distal end portion of the faucet 18 inserted into the joint body 21 from the faucet insertion port 22 of the seal portion 23. The taper part 24 is integrally formed with a gradually decreasing diameter from the lower part of the joint body part 21 at a lower position, and a hose connection for receiving water supply from the faucet 18 via the flange part 25 below the taper part 24 The hose connection portion 26 for use is integrally molded.

  The joint body 21 is provided with coupling means 27 for coupling the joint body 21 to the faucet 18. The coupling means 27 may attach a plurality of strings to be hanged to the faucet 18 to the joint main body 21. Preferably, as shown in FIG. As shown in FIG. 2, a flanged fixing collar 31 and this flanged fixing collar 31 and this flanged fixing collar 31 are inserted into a mounting hole 29 opened in the surface fastener mounting portion 28. As shown in FIG. 3, one end of a hook-and-loop fastener 33 formed in a flat string shape is fixed to the fixing plate 32 fastened to the fixing plate 32.

  This hook-and-loop fastener 33 has a hook surface with raised hooks on one side and a loop surface with raised loops on the other side, allowing the hook and loop surfaces to be freely engaged and disengaged. However, other than that, a type in which a hook surface and a loop surface formed by mixing hooks and loops without distinction may be used.

  As shown in FIG. 3, the hose connection portion 26 is provided with a plurality of retaining protrusions 34 for preventing the hose from coming off, and a water supply hose fitted on the outer periphery of these retaining protrusions 34 as shown in FIG. 13 is fixed by a hose band 35.

  Next, the function and effect of this embodiment will be described.

  When the fire extinguishing equipment 10 shown in FIG. 5 is used, the hose coupling device 17 of the water supply hose 13 taken out from the hose storage box 11 is connected to the tap 18 of the water supply, as shown in FIG. Relatively insert the tap faucet 18 into the joint body part 21 from the faucet insertion port 22 of the seal part 23, closely contact the tip of this faucet 18 to the inner surface of the taper part 24, while maintaining this state, As shown in FIG. 4, the surface fastener 33 of the coupling means 27 is wound around the joint body 21 and the faucet 18, and the back surface of the surface fastener 33 is pasted on the surface of the previously wound portion. Part 21 is coupled to faucet 18. Reference numeral 33a denotes a tip portion of the hook-and-loop fastener 33.

  At the time of coupling by the surface fastener 33, as shown in FIG. 1, the seal portion 23 is deformed in the insertion direction of the faucet 18 and is in close contact with the outer peripheral surface of the faucet 18. Even if water leaks from between the two, water leakage to the outside can be prevented and water tightness is ensured.

  That is, a seal portion 23 having a faucet insertion port 22 smaller than the outer diameter of the tap faucet 18 formed integrally with the upper portion of the joint body portion 21 formed of an elastic material, and the faucet insertion port 22 of the seal portion 23 A double seal structure can be formed by the taper portion 24 integrally formed at a position where the tip end portion of the faucet 18 inserted into the joint main body portion 21 can be contacted to ensure water tightness.

  In addition, the joint body 21 is connected to the faucet 18 by the coupling means 27 in a state where the faucet 18 inserted from the faucet insertion opening 22 is in close contact with the taper portion 24, so that the joint body 21 is connected to a public such as a park or school. It can be easily attached to an arbitrary faucet 18 such as a water supply as required, and is excellent in ease of mounting and versatility.

  Furthermore, the surface fastener 33 formed in the shape of a flat string can simplify the operation of coupling the joint body 21 to the faucet 18 and ensure that the faucet 18 inserted from the faucet insertion port 22 is in close contact with the tapered portion 24. Can be retained.

  The present invention can be used not only in the fire extinguishing equipment 10 but also as a general hose coupling device that can easily connect a hose to a tap faucet 18.

It is sectional drawing which shows one Embodiment of the hose coupling apparatus which concerns on this invention. It is the II-II sectional view taken on the line of FIG. It is a perspective view of a joint apparatus same as the above. It is explanatory drawing which shows the connection state of a joint apparatus same as the above. It is explanatory drawing of the fire extinguishing equipment provided with the joint apparatus same as the above.

Explanation of symbols

17 Hose coupling device
18 Water tap
21 Fitting body
22 Faucet insertion port
23 Sealing part
24 Taper
26 Hose connection
27 Joining means
33 face fastener

Claims (2)

A joint body molded into a cylindrical shape by an elastic material;
A seal portion having a faucet insertion port having a diameter smaller than the outer diameter of a faucet integrally molded on the upper portion of the joint body portion;
A taper portion integrally molded gradually from the lower portion of the joint body portion downwardly at a position where it can come into contact with the tip portion of the faucet inserted into the joint body portion from the faucet insertion port of the seal portion;
A hose connection part for hose connection that is integrally molded under the taper part and receives water from the faucet,
A hose coupling device comprising: a coupling means for coupling the coupling main body provided in the coupling main body to the faucet. The hose coupling device according to claim 1, wherein the coupling means includes a hook-and-loop fastener formed in a flat string shape.

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