JP2000320767A - Hose connection device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the number of parts, to shorten a working time for assembling a connection member and to enhance a production efficiency by forming a locking means on the outer periphery of a support portion of a connection fitting inserted into a through-hole of an inner hose and installed in the inside of a coupling. SOLUTION: A hose comprising an outer hose 10 and an inner hose 20 connects a faucet to a shower head. A connecting member 30 is provided on an end of the shower head connection side of the hose. The connection member 30 has a connector 31 comprising a bonding portion 32 inserted into a through- hole 21 of the inner hose 20 by press-fitting; and a support portion 33 integrally formed on the other side portion of the bonding portion 32, in which a locking projection 33a is projectedly provided on an outer periphery. The connector 30 has a fixing fitting 34 fitted to an outer periphery of the outer hose 10 and a coupling 36, thread-engaged with an end of the outer hose 10, in which a thread 37a is formed on an outer periphery edge at one end. The connector 31 is assembled to the coupling 36 by engaging the locking projection 33a with a locking groove 38a formed on a body portion 38 of the coupling 36.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hose connecting device, and more particularly, to a connecting portion of a connecting tool which is press-fitted into a through hole of one side of an internal hose, and is formed so as to protrude from an outer peripheral surface of a supporting portion of the connecting tool. By engaging the locking projection with the locking groove formed on the inner peripheral surface of the body of the coupler, the number of parts can be reduced and the production cost of the connecting member can be reduced, and at the same time, the competitiveness is improved. The present invention relates to a hose connecting device capable of shortening an assembling time of a connecting member and improving work efficiency.

[0002]

2. Description of the Related Art In general, various hoses are installed between a main body of a faucet fixed to a wall by a metal connecting member and a shower machine, and water is supplied through a pipe provided inside the wall. It is supplied to the shower machine and blows out to the outside.
An external hose, an internal hose fitted into the external hose, and a connecting member. In particular, since the outer hose is formed to be flexible, the outer hose can be used freely without being entangled when the shower is used.

A connecting member used to install such a hose between the main body of the faucet and the shower will be described below with reference to FIGS. 1 and 2.

FIG. 1 is an exploded perspective view of a conventional hose connecting device, and FIG. 2 is a sectional view of a conventional hose connecting device.

As shown in FIGS. 1 and 2, the conventional hose connecting device has an outer hose 100, an inner hose 110 inserted into the outer hose 100, and an inner hose 110 inserted therein. A connecting member 120 is provided for installing the external hose 100 between the faucet main body and the shower machine.

The outer hose 100 is made of metal, and has an insertion hole 102 formed therein so that the inner hose 110 can be protected while being inserted.
In addition, a large number of spiral concave and convex grooves 104 are formed at regular intervals on the inner and outer peripheral surfaces thereof, and are themselves formed flexibly.

The inner hose 110 is made of a synthetic resin material, and has a through hole 11 so that water can pass therethrough.
1 is formed.

The connecting member 120 is connected to the inner hose 1.
A connector 121 having a communication hole 121a formed therein so as to be inserted and fixed into one side through hole 111 of the inner hose 10 by press-fitting and communicating with the through hole 111 of the internal hose 110; Fixture 123 to be fitted to
And an insertion end 126 having a thread 126a protruding from an outer peripheral edge of one end of the body portion so as to be screwed into an inner periphery of both ends of the outer hose 100, respectively, and is integrally formed with the body portion 127.
A coupling member 125 having an engaging groove 127a formed on the inner peripheral surface at the other end of the connecting member; an engaging piece 129 which is engaged with the engaging groove 127a of the coupling member 125 to prevent the detachment of the connecting member 121; ;
Consists of Here, the insertion end 1 of the coupling tool 125
The diameter of 26 is smaller than that of the body portion 127, and the connecting tool 121 is composed of a connecting portion 121b inserted into the internal hose 110 and a supporting portion 121c integrally formed on one side of the connecting portion 121b. Has become.

Further, a fastening groove 127b for fastening and fixing the shower machine is provided on the outer peripheral surface of the body portion 127 of the coupling tool 125.
Is provided.

The state of assembly of the prior art constructed as described above will be described as follows.

First, the fixing tool 123 is fitted on the outer peripheral edge of one side of the external hose 100, and then the connecting portion 121 of the connecting tool 121 is inserted into the one side through hole 111 of the synthetic resin internal hose 110.
Then, the other end of the inner hose 110 is inserted into the insertion hole 102 of the outer hose 100 by passing the other end of the inner hose 110 through the connector 125, and then the connecting tool 121 inserted into the inner hose 110 is inserted. The locking piece 129 is attached to a locking groove 127a formed on the inner peripheral surface of the body portion 127 of the connecting tool 125 so that the connecting piece 125 does not fall out of the connecting tool 125. In this case, the distal end of the support portion 121c of the connecting tool 121 is engaged with the locking piece 129, and the detachment of the connecting tool 121 is prevented.

Then, the insertion end 12 of the coupling
6 is screwed into the insertion hole 102 on one side of the external hose 100 and fixed, and then one end surface of the body portion 127 of the coupling device 125 and one end surface of the fixing device 123 are joined by using an adhesive. The assembly is completed.

That is, the fixing tool 123 is fitted to one end of the outer peripheral surface of the outer hose 100 to make the appearance of the connecting portion between the outer hose 100 and the connecting tool 125 beautiful.

When the assembly of the hose is completed, one side of the hose is connected to the shower machine, and the other side is connected to the main body of the tap. Therefore, when using the shower machine, the tap water flows into the water tap main body through the pipe provided inside the wall body, and the tap water flowing into the water tap main body is showered through the through hole 111 of the internal hose 110. Tap water is supplied to a nozzle (not shown) of the machine and jetted to the outside. The outer hose 100 is made of metal and is formed flexibly, so that the user can freely use the shower machine.

[0015]

However, in the hose connecting device according to the prior art as described above, the connecting member inserted into the through hole of the internal hose and installed inside the connecting member does not come off from the connecting member. In order to achieve the above, the locking pieces must be engaged with the locking grooves formed on the inner peripheral surface of the body part of the coupler, so that the number of parts increases and the production cost increases. In addition, there is a problem that the installation work when the locking piece is engaged with the locking groove is not easy and requires much time, resulting in a reduction in work efficiency.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to provide a support for a connecting member which is inserted into a through hole of an internal hose and installed inside a connecting member. By forming the locking means on the outer peripheral surface, not only the number of parts can be reduced and the production cost of the connecting member can be reduced, but also the work time required for assembling the connecting member can be shortened and the efficiency can be improved. To provide a hose connecting device that can be used.

[0017]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides an outer hose in which an inner hose is inserted so that both ends of the outer hose can be fastened between a faucet body and a shower machine. A connecting part in which a connecting part is inserted into the through hole of the internal hose and a supporting part is installed inside the connecting part; a fixing part which is inserted in the outer peripheral surface of the external hose; A coupling member screwed into the insertion hole and having a locking groove formed on the inner peripheral surface of the body portion; and a locking groove of the coupling device formed on the outer peripheral surface of the support portion of the coupling device. Provided is a hose connecting device, wherein a locking projection is integrally provided so as to be engaged.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to FIGS.

FIG. 3 is a perspective view of a connector according to an embodiment of the present invention, and FIG. 4 is a sectional view of a hose connecting device according to the present invention.

As shown in FIGS. 3 and 4, the hose connecting device of the present invention has an outer hose 10, an inner hose 20 inserted into the outer hose 10, and fitted to the inner hose 20. And a connecting member 30 for installing the external hose 10 between the faucet main body 40 and the shower machine 50.

More specifically, the external hose 10
Is made of metal, and has an insertion hole 11 formed therein so that the inner hose 20 can be inserted and protected therein, and a number of spiral concave and convex grooves 12 are provided at regular intervals on the inner and outer peripheral surfaces thereof. Formed, and itself is formed flexibly.

The inner hose 20 is made of a synthetic resin material, and has a through hole 21 formed therein so that water can pass therethrough.

The connecting member 30 is connected to the inner hose 20.
A coupling portion 32 is formed on one side so that it can be inserted and fixed in the one side through hole 21 by press-fitting, and a supporting portion 33 is integrally formed on the other side portion of the coupling portion 32. A connector 31 having a locking projection 33a protruding from the surface;
A fixing member 34 having a through hole 34a formed therein so as to be fitted on the outer peripheral surface of the outer hose 10; and a screw at an outer peripheral edge at one end of the body portion so as to be screwed into both ends of the outer hose 10, respectively. A coupling tool 36 is formed integrally with an insertion end 37 on which a peak 37a is protruded, and a locking groove 38a is formed on the inner peripheral surface of the other end of the body 38.

On the other hand, a communication hole 31a communicating with the through hole 21 of the internal hose 20 is formed inside the connection tool 31, and the diameter of the insertion end 37 of the connection tool 36 is smaller than that of the body 38. Has become.

Next, the operation of the present invention configured as described above will be described with reference to the accompanying drawings.

At the time of assembling the hose connecting device according to the present invention, first, the fixture 34 is fitted to the outer peripheral surface of one side of the outer hose 10, and then the through hole of one side of the synthetic resin inner hose 20 is formed. At the same time, the connecting portion 32 of the connecting member 31 is fitted into the connecting member 31 by press-fitting, and at the same time, a locking projection 33 a formed on the outer peripheral surface of the supporting portion 33 of the connecting member 31 is formed on the inner peripheral surface of the body portion 38 of the connecting member 36. Engages with the locking groove 38a.

When the connecting member 31 is attached to the connecting member 36, the other end of the internal hose 20 is fitted into the insertion hole 11 of the external hose 10 and at the same time, the insertion end 37 of the connecting member 36 is connected to the external hose 10. After being screwed into the side insertion hole 11 and fixed, the other end surface of the body portion 38 of the coupling device 36 and one end surface of the fixing device 34 are joined with the adhesive 60, so that assembly is completed.
Assembling of the connecting member can be performed quickly and easily as compared with the conventional technique, and the working efficiency can be improved.

When the assembly of the hose is completed, one end of the hose is fastened to the shower 50 and the other end is fastened to the faucet body 40, as shown in FIG. This allows
When the shower device 50 is used, the tap water flows into the tap body 40 through a pipe (not shown) provided inside the wall, and the tap water flowing into the tap body 40 is supplied to the inner hose 2. Tap water is supplied to the nozzle portion (not shown) of the shower device 50 through the through hole 21 and tap water is jetted to the outside. The outer hose 10 is made of metal and is formed flexibly, so that the user can freely use the shower device 50.

Although the present invention has been described based on specific embodiments, the present invention is not limited to these embodiments.
Obviously, modifications and improvements can be made without departing from the ordinary knowledge of those skilled in the art.

[0030]

As described above, according to the hose connecting device of the present invention, the connecting portion of the connecting member is press-fitted into the through hole on one side of the inner hose, and the outer peripheral surface of the supporting portion of the connecting member is provided. The number of components can be reduced by engaging the locking projections formed on the inner peripheral surface of the body part of the coupling tool with the locking projections formed on the fitting.
In addition, the production cost of the connecting member can be reduced, and at the same time, the competitiveness can be improved. Further, the assembling time of the connecting member can be shortened and the working efficiency can be improved.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a conventional hose connection device.

FIG. 2 is a cross-sectional view of a hose connecting device according to the related art.

FIG. 3 is a perspective view of a connector according to an embodiment of the present invention.

FIG. 4 is a sectional view of a hose connecting device according to the present invention.

FIG. 5 is a diagram illustrating a use state of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 External hose 11 Insertion hole 20 Internal hose 21 Through-hole 30 Connecting member 31 Connecting tool 32 Connecting part 33 Supporting part 33a Locking projection 34 Fixing tool 36 Connecting tool 40 Main body of water tap 50 Shower machine

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[Procedure amendment]

[Submission date] August 10, 2000 (2008.1.
0)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Claims

[Correction method] Change

[Correction contents]

[Claims]

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0018

[Correction method] Change

[Correction contents]

[0018]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the present invention is directed to an inner and outer peripheral surface formed in a helical shape and screwed to an inner peripheral surface of an end portion of an outer hose in which an inner hose is inserted. A coupling having a body portion integrally formed at one end of the insertion end and supporting one end of the external hose, a support portion fitted into the body portion of the coupling device, and the support portion A hose connecting device formed integrally with the connecting hose and having a connecting portion that is inserted into the end of the internal hose, and connecting both ends of the external hose to the faucet main body and the shower machine, respectively. The engaging projection integrally formed on the outer peripheral surface of the support portion of the fixture is engaged with the engaging groove formed on the inner peripheral surface of the body portion of the coupling tool, and the coupling tool is inserted into the coupling tool. It is characterized by being fixed to.

Claims (1)

[Claims] 1. A connecting portion is inserted into a through hole of the inner hose so that both ends of the outer hose into which the inner hose is inserted can be fastened between the faucet main body and the shower machine. A fixing tool fitted on the outer peripheral surface of the outer hose; a fixing groove screwed into an insertion hole in the outer hose, and a locking groove on the inner peripheral surface of the body portion. And a connecting member formed with: a locking projection that engages with a locking groove of the connecting member integrally protruding from an outer peripheral surface of the support portion of the connecting member. Hose coupling device.