JP2003166687A - Cover of pipe connection clip - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cover preventing a clip for connecting joint pipes through one-touch operation from being fallen off from a connecting portion, covering the whole clip over large areas and improving safety and good appearance. <P>SOLUTION: This cover 19 is made of resin and placed on a clip 12 to prevent the clip 12 from falling off from joint pipes 1 and 8. The clip 12 for falling- prevention is put on a joint portion formed by superposing a flange 4 formed on an outer circumference of the first joint pipe 1 and a flange 11 formed on the second joint pipe 8 and the flanges 4 and 11 are fitted into a slit 18 opened on the clip 12. The cover 19 includes a plurality of split bodies 20 and 28 that cover the clip 12 by superposing one another, and is placed detachably in a manner that it surrounds the whole outer circumferential surface of the clip 12 between the joint pipes 1 and 8. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cover for preventing a clip for connecting various joint pipes with one-touch from falling off from a joint portion thereof.

[0002]

2. Description of the Related Art Conventionally, there is a known one in which various joint pipes can be connected by a clip with one touch, as shown in FIG. 1 (FIG. 6 of the present application) of Japanese Patent No. 3069825. To briefly describe FIG. 6, flanges 41 and 43 are formed on both the connecting pipe 40 and the mating member 42, and the pipe ends of the connecting pipe 40 are fitted into the mating member 42 to form the flanges 41 and 43. Along with overlapping and joining, a clip 44 for retaining is attached to these joints, and a part of the flanges 41 and 43 is inserted into a long window 45 provided in the clip 44 so that the connecting pipe 40 In order to prevent the clip 44 from falling off and to prevent the clip 44 from falling off the flanges 41, 43, the clip 44 is fitted over a pair of open ends 47, 47 formed in the opening 46 to prevent the clip 44 from falling off. Cover 4
I am wearing 8.

The cover 48 has an open end 4 of the clip 44.
Main body 49 for covering and protecting 7, 47
And the clip 4 provided at both ends of the body 49.
The expansion preventing wall 50 that joins the outer peripheral surfaces of the opening ends 47, 47 so that the opening ends 47, 47 of FIG.
50 and an abutting portion 51 which is provided at a central position of the main body portion 49 and is joined to the outer peripheral surfaces of the flanges 41 and 43.

By attaching a cover for preventing the clip from falling off, even if an unexpected external force such as a user's hand hitting the clip or an article hitting the clip is applied, the joint portion between the connecting pipe and the counterpart member is attached. The clip is formed by bending a band-shaped metal member and is partially covered by the cover. Since this is not sufficient and most of the exposed portion is between the connecting pipe and the counterpart member, there is a risk of injury if the end of the exposed portion of the metal clip is touched carelessly. Further, the metal clip is not usually painted, and the exposed portion spoils the appearance.

[0005]

SUMMARY OF THE INVENTION Therefore, the present invention intends to prevent the clip for connecting various joint pipes with a single touch from falling off from the connecting portion and to cover the entire clip in a wide range to improve safety and aesthetics. The object is to provide a cover that can be used.

[0006]

According to the present invention, there is provided:
The flange formed on the outer periphery of the first joint pipe and the flange formed on the outer periphery of the second joint pipe are superposed and joined, and a clip for retaining is attached to this joint portion, and both are attached to the slit opened in the clip. The cover that is elastically fitted into the flange and that is attached to the clip to prevent the flange from falling off from the joint pipe is made of resin, and is composed of a plurality of divided bodies that cover the clip by overlapping with each other. The metal clip is detachably mounted between the joint pipes so as to cover the entire outer peripheral surface of the metal clip.

According to a second aspect of the present invention, the cover is composed of a first divided body and a second divided body which are formed in a substantially cylindrical shape by overlapping each other, and both divided bodies are rotatably connected by a hinge.

According to a third aspect of the present invention, one of the divided bodies is formed with a locking claw, and the other is formed with a notch with which the locking claw engages. The two divided bodies are engaged by the locking claw and the notch. It is one that can be combined.

According to a fourth aspect of the present invention, one or both of the split bodies is provided with an engaging groove for engaging the leg portion of the clip so that the leg portion does not open to the outside.

In the present invention, the cover is plated for decoration.

In the present invention, the cover is colored for decoration.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings. FIG. 1 is an explanatory view when a clip 12 and a cover 19 are attached to a first joint pipe 1 and a second joint pipe 8 which are connected to each other. The first joint pipe 1 is an inlet of a water pipe 2 through which hot water or water passes. The fixing metal fitting 3 is fixed to the tip on the side, and the fixing metal fitting 3 is formed by integrally forming a flange 4 having a large outer diameter on the outer circumference and a fitting portion 5 at the tip of the flange 4. A plurality of annular grooves 6 and 6 are formed on the outer peripheral surface of the joint portion 5, and sealing O-rings 7 and 7 are attached to the annular grooves 6 and 6, respectively.

The second joint pipe 8 has an insertion hole 10 into which the fitting portion 5 of the first joint pipe 1 is inserted in the axial direction from an end portion 9 formed at the tip thereof. At the tip, the first
A flange 11 having the same outer diameter as the flange 4 of the joint pipe 1 is integrally formed.

Therefore, when the fitting portion 5 formed on the fixing metal fitting 3 of the first joint pipe 1 is inserted into the insertion hole 10 of the second joint pipe 8 and the flanges 4 and 11 are overlapped and joined together, The sealing O-rings 7, 7 mounted on the fitting portion 5 are in close contact with the inner peripheral surface of the insertion hole 10 and are water-tightly sealed. The first joint pipe or the second joint pipe may house a water stopcock, a check valve, a flow rate control valve, or the like, or may be a water passage pipe through which water or hot water simply passes.

The clip 12 for connecting the first joint pipe 1 and the second joint pipe 8 with one touch is formed by bending a single metal plate having an elastic force, and is formed from both ends of the base portion 13. Locking parts 14, 1 bulging outward in a substantially V shape
4, and leg portions 15 and 15 that open outward in a V shape at the tips of the both locking portions 14 and 14, and the fitting portion 5 of the first joint pipe 1 is provided between the leg portions 15 and 15. And the end portion 9 of the second joint pipe 8 are inserted in a direction perpendicular to the axis to form an opening 16 having a width narrower than the diameter of the flanges 4 and 11, and the locking portions 1
The fitting portion 5 of the first joint pipe 1 and the second joint pipe 8 are provided between
An insertion portion 17 is formed through which the end portion 9 is inserted. From the base 13 to the legs 15 and 15, the first joint pipe 1
And a laterally long slit 18 into which both flanges 4 and 11 can be elastically fitted and which has a vertical width corresponding to the thickness of both flanges 4 and 11 of the second joint pipe 8 overlapped. It can be expanded and elastically deformed in the diameter reducing direction with 13 as a fulcrum.

The cover 19 is made of resin and is shown in FIGS.
As shown in FIG. 2, the first divided body 20 is formed in a substantially semi-cylindrical shape, and the second divided body 28 is formed in a substantially semi-cylindrical shape. The vertical space portion 22 formed in the inside in a state in which it is rotatably connected about the vertical axis 21a of the hinge 21 attached to the. The shape is such that it can cover the entire outer peripheral surface of the clip 12. Since the cover 19 is made of resin, it is possible to enhance its aesthetic appearance by plating it for decoration or coloring it.

The first divided body 20 extends in the opening direction from the opening edge on the other end side of the hinge 21 and extends horizontally in three horizontal plates 2.
3 extends, and the central horizontal plate 23 has a locking claw 24 on the outer peripheral surface of the tip.
Is formed. In addition, a pair of protrusions 25, 25 are formed on the inner peripheral surface of the first divided body 20 so as to face each other, and the legs 1 of the clip 12 are formed on the protrusions 25, 25.
Engagement grooves 26, 26 for engaging 5, 5 are provided respectively. Further, an arc-shaped collar portion 27 is formed on the upper end of the first divided body 20.

The second divided body 28 includes both divided bodies 20, 2.
In the state in which 8 are overlapped to form a substantially cylindrical shape, the locking claw 2
A notch 29 into which 4 is elastically engaged is bored, and a flange portion 30 having the same shape as the flange portion 27 of the first divided body 20 is formed at the upper end. The outer diameter of the space portion 22 formed by overlapping is substantially the same as the outer diameter of the fixing fitting 3 of the first joint pipe 1.

In this embodiment, the locking claw is formed on the first divided body and the notch is formed on the second divided body. However, the notch is formed on the first divided body and the second divided body is formed. A locking claw may be formed on the. Further, the number of locking claws and notches is not limited, and a plurality of locking claws and notches may be provided. Further, the fixing means of the first divided body and the second divided body is not limited to this embodiment, and for example, a screw or a magnet may be used. If the pawl is engaged with the notch, it is possible to easily connect and disconnect the two divided bodies. Also, the first
Although the protrusion and the engaging groove are provided on the inner peripheral surface of the divided body, they may be provided on the second divided body.

In order to connect the first joint pipe 1 and the second joint pipe 8 in the above structure, first, the fitting portion 5 of the first joint pipe 1 shown in FIG. , And the flanges 4 and 11 of each other are overlapped and joined. In this case, the first joint pipe 1 and the second joint pipe 8 are the fitting portion 5 of the first joint pipe 1.
The O-rings 7, 7 attached to the can be watertightly connected in a state of being sealed in the insertion hole 10 of the second joint pipe 8.

Next, as shown in FIG. 3, the clip 12 is pressed in a substantially horizontal direction with respect to the fitting portion 5 of the first joint pipe 1 and the end portion 9 of the second joint pipe 8 so that both leg portions 15 at the tip end. , 15 are in contact with both flanges 4 and 11 and spread while both flanges 4 and 1
1 is elastically fitted into the slits 18 and 18 of the clip 12, and the flanges 4 and 11 partially protrude from the slits 18 and 18, so that the clip 12 has both joint pipes 1 and 8. The joint pipes 1 and 8 are attached to the joint portion to prevent the joint pipes 1 and 8 from coming off.

Further, the clip 12 is laterally covered by the first divided body 20 of the cover 19, and the leg portions 13 and 13 of the clip 12 are engaged with the engaging grooves 26 and 26 of the projecting portions 25 and 25, respectively. The cover 19 is held so that the clip 12 does not rattle.

Next, the second divided body 28 with the hinge 21 as an axis
Is rotated so as to cover the entire outer peripheral surface of the clip 12 from the side, and the first divided body 20 is overlapped with the first divided body 20.
By elastically locking the locking claw 24 of the second split body 28 in the notch 29 of the second split body 28, as shown in FIGS.
8 are coupled and can be mounted so as to cover the entire outer peripheral surface of the clip 12 exposed between the first joint pipe 1 and the second joint pipe 8.

Therefore, the cover 19 allows the clip 1
2, the entire outer peripheral surface is covered, and it is possible to prevent the clip 12 from falling off from both joint pipes by an external force. Also,
The first divided body 20 and the second divided body 28 of the cover 19 are connected by the engagement of the locking claw 24 and the notch 29, and the clip 12
Since the two leg portions 15, 15 engage with the engaging groove 26 of the projecting portion 25, they do not rattle or easily come off from the clip 12.

Next, in order to release the connection between the first joint pipe 1 and the second joint pipe 8, the side surface of the first divided body 20 is pushed inward and contracted, and the locking claws of the first divided body 20 are released. By removing 24 from the notch 29 of the second divided body 28, the second divided body 28 can be rotated from the first divided body 20 about the hinge 21. From this state, the first divided body 20 is clipped. When pulled out of 12, the cover 19 can be easily removed from the clip 12. Then, by pulling out the clip 12 from both joint pipes 1 and 8, the connection between the first joint pipe 1 and the second joint pipe 8 can be released.

By mounting the cover on the clip in this manner, not only can the clip be prevented from falling off from both joint pipes, but the entire outer peripheral surface of the clip exposed between both joint pipes can be covered. It is possible to prevent accidental injuries caused by accidentally touching the metal clip. In addition, the cover engages the locking claw with the notch, or disengages it so that it can be attached manually without the need for tools,
It can be removed.

[0027]

According to the first aspect of the present invention, the resin cover mounted on the clip not only prevents the clip from falling off the joint pipes but also the outer circumference of the clip between the joint pipes. The entire surface can be covered, and it is possible to reliably prevent accidental injury by touching the metal clip.

In the second to fourth aspects, the cover can be easily attached to the clip by anyone without using a tool or the like, and can be attached without rattling.

In the fifth or sixth aspect, since the clip is covered with the cover which is plated or colored for decoration, the aesthetic appearance can be improved.

[Brief description of drawings]

FIG. 1 is an explanatory view when a cover of a pipe connecting clip is attached to a clip that connects both joint pipes.

FIG. 2 is a side sectional view of a cover of a pipe connecting clip.

FIG. 3 is a vertical sectional view showing a state in which clips are attached to both joint pipes.

FIG. 4 is a perspective view of the joint pipe of FIG. 3 with a cover attached.

FIG. 5 is a plan sectional view showing a state where the cover is attached to the clip.

FIG. 6 is an explanatory diagram of a conventional technique.

[Explanation of symbols]

1 first joint pipe 4 flange 8 Second joint pipe 11 flange 12 clips 15 legs 18 slits 19 cover 20 First division 21 Hinge 24 Locking claw 26 Engagement groove 28 Second division 29 notches

   ─────────────────────────────────────────────────── ─── Continued front page    F-term (reference) 3H017 DA00                 3J106 BC04 BE24 EB12 EC01 ED39                       EF20

Claims (6)

[Claims] 1. A flange formed on the outer periphery of the first joint pipe and a flange formed on the outer periphery of the second joint pipe are superposed and joined to each other, and a clip for retaining is attached to the joint portion,
Both the flanges are elastically fitted into the slits opened in the clip, and the cover attached to the clip to prevent the joint pipe from falling off is made of resin. A cover for a pipe connecting clip, which is composed of a body and is detachably mounted between the both joint pipes so as to cover the entire outer peripheral surface of the metal clip. 2. The cover is composed of a first divided body and a second divided body which are formed into a substantially cylindrical shape by being overlapped with each other, and both divided bodies are rotatably connected by a hinge. The cover of the clip for pipe connection according to 1. 3. A locking claw is formed on one of the divided bodies,
3. The cover for a pipe connecting clip according to claim 1, wherein a notch with which the locking claw engages is formed on the other side, and both split bodies can be engaged with the locking claw by the notch. . 4. The engaging groove for engaging the leg portion of the clip is provided on one or both of the divided bodies so that the leg portion does not open outward. Cover of the clip for pipe connection according to any one of 5. The cover for a pipe connecting clip according to claim 1, wherein the cover is plated for decoration. 6. The cover for a pipe connecting clip according to claim 1, wherein the cover is colored for decoration.