KR101857027B1 - Spring band sealed type one touch pipe coupler - Google Patents

Abstract

The present invention relates to a spring-band sealed one-touch pipe coupler, and more particularly, to a spring-band sealed type one-touch pipe coupler which can easily connect a pipe by a simple operation of inserting a pipe into a coupler body, Tightly sealed type one-touch pipe coupler capable of reliably maintaining watertightness or airtightness of a pipe inserted into a coupler body through a spring band that presses both sides of the pipe to the pipe and the coupler body.
The pipe spring-sealed one-touch pipe coupler according to the present invention is a pipe coupler for connecting a pipe through which a fluid having a predetermined pressure moves, in a watertight or hermetic manner. The pipe coupler has a hollow formed along its longitudinal direction, A coupler body inserted into the pipe and communicating with the pipe; A pipe fixing member provided in the hollow of the coupler main body and fixing the pipe so that the inserted pipe can be inserted into the inside but not the inserted pipe; A packing member provided in the hollow of the coupler body and made of a material having elasticity to seal a gap between the coupler body and the pipe when the pipe is inserted into the pipe; Wherein the packing member has a band insertion groove formed in a rear surface thereof with a predetermined thickness and depth along a circular line located at a predetermined radius from the center thereof, and a C-shaped spring band, A first spring band having a smaller diameter and inserted into the band insertion groove in a state of being opened by an external force and having a larger diameter than an initial state, the diameter of which is restored by an elastic force and the inner circumferential surface of the packing member is pressed onto the pipe ; And further comprising:

Description

[0001] SPRING BAND SEALED TYPE ONE TOUCH PIPE COUPLER [0002]

The present invention relates to a spring-band sealed one-touch pipe coupler, and more particularly, to a spring-band sealed type one-touch pipe coupler which can easily connect a pipe by a simple operation of inserting a pipe into a coupler body, Tightly sealed type one-touch pipe coupler capable of reliably maintaining watertightness or airtightness of a pipe inserted into a coupler body through a spring band that presses both sides of the pipe to the pipe and the coupler body.

The piping operation is generally referred to as a work for forming a pipe by cutting and connecting a plurality of pipes in accordance with the installation environment to a predetermined length. In the piping operation described above, the length of the pipe and the necessity of changing the position of the pipe A piping coupler is used.

Conventionally used piping couplers are provided with a plurality of connecting portions having the same inner diameter as a pipe to be connected and having an outer diameter larger than a pipe to be connected and formed with a helical groove so that a pipe can be inserted into the pipe in a threaded manner.

However, such a conventional conventional pipe coupler has a problem that workability is not easy since it is necessary to insert the pipe while rotating the pipe.

In order to solve the disadvantages of the conventional conventional piping coupler, a pipe connecting device having a packing member has been proposed in the registration utility model No. 0381922 (registered on Apr. 04, 2005).

Fig. 1 shows a piping coupler according to the prior art, which is disclosed in Japanese Utility Model Registration No. 0381922.

Referring to FIG. 1, a pipe coupler according to the related art includes a hollow body 10 'having a plurality of open connection portions into which pipes to be connected are formed, and a pipe coupler installed at an inner end of the connection portion and connected to the body 10' A support ring 30 'which is inserted into the connection portion and is in close contact with the packing member 20' and has an inclined surface whose inner surface is downwardly downwardly formed, A fixture 40 'which is placed on an inclined surface of the ring 30' and is closely attached, the fixture 40 'having a plurality of fixtures for pressing and fixing the outer surface of the pipe inserted and connected to the inside of the connection, And a locking nut 50 'fastened to the end of the connection portion by a screw and tightly fixed to the fixture 40' are sequentially installed.

However, in the related art, there is a problem in that it is not easy to work in the field where the packing member 20 'must be pressed by manually rotating the locking nut 50' after connection of the pipe.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the problems of the conventional art as described above, and it is an object of the present invention to provide a coupler which is capable of easily connecting a pipe by one- And to provide a spring-band sealed one-touch pipe coupler capable of more reliably maintaining watertightness or airtightness of the pipe inserted into the coupler main body.

In order to accomplish the above object, the present invention provides a piping coupler for sealing a pipe through which a fluid having a predetermined pressure is moved in a watertight or hermetic manner, wherein a hollow is formed along the longitudinal direction A coupler main body in which the pipe is inserted in front of the hollow and communicated with the pipe; A pipe fixing member provided in the hollow of the coupler main body and fixing the pipe so that the inserted pipe can be inserted into the inside but not the inserted pipe; A packing member provided in the hollow of the coupler body and made of a material having elasticity to seal a gap between the coupler body and the pipe when the pipe is inserted into the pipe; Wherein the packing member has a band insertion groove formed in a rear surface thereof with a predetermined thickness and depth along a circular line located at a predetermined radius from the center thereof, and a C-shaped spring band, A first spring band having a smaller diameter and inserted into the band insertion groove in a state of being opened by an external force and having a larger diameter than an initial state, the diameter of which is restored by an elastic force and the inner circumferential surface of the packing member is pressed onto the pipe ; And further comprising:

In addition, the band-spring sealed one-touch pipe coupler according to the present invention is a C-shaped spring band which has a diameter larger than the diameter of the band insertion groove in an initial state and is compressed by an external force and is smaller in diameter than the initial state, A second spring band inserted into the insertion groove and restored in its diameter by an elastic force and pressing the outer peripheral surface of the packing member against the coupler body; And further comprising:

In the band spring sealed one-touch pipe coupler according to the present invention, the first inclined projection projecting obliquely in an obliquely inclined form is formed at one end of the first spring band, and a first inclined projection projecting at an opposite end to the first end, And a first inclined groove formed in the shape of a circle.

Further, the band spring-sealed one-touch pipe coupler according to the present invention is characterized in that a second slant projection projecting obliquely rearwardly is formed on one end of the second spring band, and a second slant projection projecting toward the other end, And a second inclined groove recessed in the shape of the second inclined groove is formed.

In the spring-band sealed one-touch pipe coupler according to the present invention, the first spring band and the second spring band each have a rounded bent portion bent in the front end thereof inserted into the band insertion groove and abutting on the packing member .

Further, the spring-band sealed one-touch pipe coupler according to the present invention is characterized in that the pipe fixing member has a ring-shaped ring portion through which the pipe passes, and a ring-shaped ring portion which is inserted into the ring portion And a plurality of the radiating pieces are disposed so as to be inclined in a direction in which the inner diameter decreases toward the rear.

Further, the band spring-sealed one-touch pipe coupler according to the present invention includes a tear-off washer provided at an upper end of the band insertion groove; And further comprising:

In addition, the band spring-sealed one-touch pipe coupler according to the present invention is characterized in that the anti-rippling washer is insert-molded inside the packing member.

The band spring-sealed one-touch pipe coupler according to the present invention is characterized in that a plurality of pipe squeezing protrusions are formed on the inner circumferential surface of the packing member so as to be inclined rearward.

In the band-spring-sealed one-touch pipe coupler according to the present invention, the main body pressing projection projecting obliquely rearwardly is formed on the outer circumferential surface of the packing member in multiple layers.

According to the construction as described above, the spring-band sealed one-touch pipe coupler according to the present invention has an advantage that the pipe can be easily connected to the coupler body only by inserting the pipe into the coupler body, that is, There is an advantage that the watertightness or airtightness of the pipe inserted into the coupler body can be reliably maintained through the spring band which presses the both sides of the packing member to the pipe and the coupler body.

1 is an exploded perspective view of a piping coupler according to the prior art;
2 is an exploded perspective view of a spring-band sealed one-touch pipe coupler according to an embodiment of the present invention.
3 is an exploded cross-sectional view of a spring-band sealed one-touch pipe coupler according to an embodiment of the present invention
4 is a perspective view showing an operating state of a first spring band according to an embodiment of the present invention;
5 is a perspective view illustrating an operating state of a second spring band according to an embodiment of the present invention.
6 and 7 are cross-sectional views of a spring-band sealed one-touch pipe coupler according to an embodiment of the present invention,

Hereinafter, a spring-band sealed one-touch pipe coupler according to the present invention will be described in detail with reference to embodiments shown in the drawings.

FIG. 2 is an exploded perspective view of a spring-band sealed one-touch pipe coupler according to an embodiment of the present invention, FIG. 3 is an exploded sectional view of a spring-band sealed one-touch pipe coupler according to an embodiment of the present invention, FIG. 5 is a perspective view illustrating an operating state of a second spring band according to an embodiment of the present invention, and FIGS. 6 and 7 are perspective views illustrating the operation of the first spring band according to an embodiment of the present invention Sectional view of a spring-band sealed one-touch pipe coupler according to an embodiment of the present invention.

 2 to 7, a spring-band sealed one-touch pipe coupler according to an embodiment of the present invention includes a coupler body 10 having a structure in which a pipe to which a fluid having a predetermined pressure is moved is connected with watertight or hermetic, And includes a pipe fixing member 20, a packing member 30, a first spring band 40, a second spring band 50, a tear-proof washer 60, and a front cap 70 do.

The coupler body 10 has a hollow 11 formed along a longitudinal direction at a position for inserting a pipe P for connection and the pipe P is inserted in front of the hollow 11, (P).

Although the pipe P is inserted into one side of the hollow 11 in the embodiment of the present invention, the pipe P is inserted into both sides of the hollow 11, But also various shapes such as a T-shape and a cross shape.

The pipe fixing member 20 is provided in the hollow 11 of the coupler body 10 so that the pipe P can be inserted into the pipe fixing member 20, A ring-shaped claw 21 through which the pipe P passes, and a ring-shaped claw 21 through which the pipe P can be inserted, The ring portion 21 is provided with a plurality of radiating pieces 22 which are inclined in the direction in which the inner diameter decreases toward the rear.

In other words, due to the configuration of the plurality of the radiating pieces 22 arranged obliquely in the direction of decreasing the inner diameter toward the rear of the ring portion 21, the insertion of the pipe P is prevented, Can be fastened and fixed to the coupler body 10 by one-touch operation.

The packing member 30 is provided in the hollow 11 of the coupler body 10 and is made of a material having elasticity so that when the pipe P is inserted into the coupler body 10, In the present embodiment.

In an embodiment of the present invention, the packing member 30 has a band insertion groove 31 formed in its rear surface at a certain thickness and depth along a circular line located at a predetermined radius from the center, 32, and a main body pressing projection 33 is formed on the outer peripheral surface.

The band insertion groove 31 has a structure in which a first spring band 40 and a second spring band 50 to be described later are inserted.

The pipe pressing projection 32 protrudes obliquely rearward on the inner circumferential surface of the packing member 30 and is formed in a multi-layered structure. The pipe pressing protrusion 32 is formed in the packing member 30, As shown in FIG. 7, when the pipe P is inserted, the pipe pressing projection 32 is moved forward by the fluid pressure inside the coupler body 10, So that the watertightness or airtightness can be maintained more reliably by being compressed and pressed on the pipe P.

As shown in FIG. 7, the main body pressing projection 33 has a structure in which protrusions protruding rearward outward on the outer circumferential surface of the packing member 30 are formed in the same manner as the pipe pressing projection 32, The main body pressing projection 33 is moved forward by the fluid pressure inside the main body 10 and pressed against the coupler main body 10 to thereby maintain more reliable watertightness or airtightness.

The first spring band 40 is a C-shaped spring band having a diameter smaller than the diameter of the band insertion groove 31 in the initial state shown in Fig. 4 (A) 7, the diameter is restored by the elastic force as shown in FIG. 7, and the inner circumferential surface of the packing member 30 is restored to the inner circumferential surface of the packing member 30, To the pipe (P).

4, the first spring band 40 includes a first inclined protrusion 41 protruding obliquely in an obliquely upwardly inclined shape at one end thereof, and a second inclined protrusion 41 protruding from the first inclined protrusion 41 at an opposite end The first inclined grooves 42 are formed in a shape corresponding to the first inclined projections 41.

Therefore, when the first spring band 40 extends from the initial state shown in Fig. 4 (A) to the state shown in Fig. 4 (B), the side inclined surface of the first inclined projection 41 and the inclined surface The side surface inclined surfaces of the grooves 42 are substantially in contact with each other to minimize the clearance in the first spring band 40 itself so that the packing member 30 To the pipe P, the watertightness or airtightness can be more reliably maintained.

The second spring band 50 is a C-shaped spring band corresponding to the first spring band 40 and having an elastic restoring force in a direction opposite to the first spring band 40, As shown in Fig. 5 (B), in a state in which the diameter of the band insertion groove 31 is smaller than the diameter of the band insertion groove 31 in the initial state, Is inserted into the insertion groove 31 and is restored in its diameter by the elastic force as shown in FIG. 7, and the outer circumferential surface of the packing member 30 is pressed onto the coupler body 10.

5, the second spring band 50 is formed with a second slant projection 51 slantingly projected at one end thereof in the shape of a chopper backlight, and a second slant projection 51 is formed at the other end opposite to the one end, And the second inclined groove 52 is formed in a shape corresponding to the second inclined projection 51.

When the second spring band 50 is broken from the initial state shown in FIG. 5 (A) to the state shown in FIG. 5 (B), the side slope of the second slant projection 51 and the second slant face The side inclined surfaces of the inclined grooves 52 are substantially in contact with each other to minimize the clearance in the second spring band 50 itself so that the elasticity of the packing member 30) to the coupler body (10), watertightness or airtightness can be more reliably maintained.

The first spring band 40 and the second spring band 50 are inserted into the band insertion grooves 31 and are respectively bent at the front end portion abutting on the packing member 30, , 53 are formed.

This is because when the first spring band 40 and the second spring band 50 are urged forward by the fluid pressure inside the coupler body 10, a front end contacting the packing member 30 is pressed against the packing member 30, The bending portions 43 and 53 may be formed to prevent the bending of the bending portions 30 and the bending portions 30 and 30, respectively.

The tear preventive washer 60 is provided at the upper end of the band insertion groove 31 to have a structure similar to that of the bending portions 43 and 53. The first spring band 40 and the second spring band 50 are pressed forward by the fluid pressure inside the coupler body 10, the front end contacting the packing member 30 prevents the packing member 30 from being pinched.

Meanwhile, in one embodiment of the present invention, the tear-proof washer 60 is preferably insert-molded inside the packing member 30 for convenience of manufacture.

The front cap 70 is configured to prevent the pipe fixing member 20 and the packing member 30 from being released to the front of the coupler body 10, A hole 71 is formed and is fastened to the front end of the coupler body 10.

6 and 7 illustrate the use of the band-spring sealed one-touch pipe coupler according to the embodiment of the present invention. In the initial state of FIG. 6, the pipe P is connected to the coupler body 10, The radiating piece 22 of the pipe fixing member 22 is folded rearward so that the pipe P can be inserted into the hollow 11 of the pipe P, So that the pipe P is fixed by one-touch.

When the pipe P is inserted into the upper packing member 30, the pipe pressing projections 32 inclined rearward are folded back and the pipe P is inserted. In this case, The pipe pressing projection 32 is moved forward and compressed by the fluid pressure inside the pipe P and pressed more reliably on the pipe P and the main body pressing projection 33 is also moved forward to be compressed, (10).

The first spring band 40 allows the inner circumferential surface of the packing member 30 to be pressed against the pipe P by the elastic compression force and the second spring band 50 is elastically biased by the elastic force of the packing member 30, The outer peripheral surface of the sealing member 30 is pressed against the coupler body 10, so that the sealing force of the packing member 30 can be remarkably increased.

The band spring-sealed one-touch pipe coupler described above and shown in the drawings is only one embodiment for carrying out the present invention, and should not be construed as limiting the technical idea of the present invention. The scope of protection of the present invention is defined only by the matters set forth in the following claims, and the embodiments improved and changed without departing from the gist of the present invention are obvious to those having ordinary skill in the art to which the present invention belongs It will be understood that the invention is not limited thereto.

P pipe
10 Coupler Body
11 hollow
20 pipe fixing member
21 Ring
22 Radiation piece
30 packing member
31 band insertion groove
32 Pipe crimp projection
33 Main body crimp projection
40 first spring band
41 1st slant projection
42 First inclined groove
43 bending portion
50 second spring band
51 2nd oblique projection
52 2nd inclined groove
53 Bending section
60 Ripple Washer
70 front cap
71 Pipe through ball

Claims (10)

delete A piping coupler for connecting a pipe through which a fluid having a predetermined pressure is moved, in a watertight or hermetic manner,
A coupler main body having a hollow formed along a longitudinal direction thereof, the pipe inserted into a front of the hollow and communicating with the pipe;
A pipe fixing member provided in the hollow of the coupler main body and fixing the pipe so that the inserted pipe can be inserted into the inside but not the inserted pipe;
A packing member provided in the hollow of the coupler body and made of a material having elasticity to seal a gap between the coupler body and the pipe when the pipe is inserted into the pipe; Including,
The packing member is formed with a band insertion groove having a predetermined thickness and depth along a circular line located at a predetermined radius from the center on the rear surface,
Shaped spring band having a diameter smaller than a diameter of the band insertion groove in an initial state and inserted into the band insertion groove with a diameter larger than an initial state by an external force, the diameter being restored by an elastic force, A first spring band for pressing the inner peripheral surface of the packing member against the pipe;
Shaped spring band having a diameter larger than the diameter of the band insertion groove in an initial state and being inserted into the band insertion groove in a state that the diameter is smaller than the initial state by being collapsed by an external force and the diameter is restored by the elastic force A second spring band for pressing the outer peripheral surface of the packing member against the coupler body; Further comprising a spring-band-tight one-touch pipe coupler. A piping coupler for connecting a pipe through which a fluid having a predetermined pressure is moved, in a watertight or hermetic manner,
A coupler main body having a hollow formed along a longitudinal direction thereof, the pipe inserted into a front of the hollow and communicating with the pipe;
A pipe fixing member provided in the hollow of the coupler main body and fixing the pipe so that the inserted pipe can be inserted into the inside but not the inserted pipe;
A packing member provided in the hollow of the coupler body and made of a material having elasticity to seal a gap between the coupler body and the pipe when the pipe is inserted into the pipe; Including,
The packing member is formed with a band insertion groove having a predetermined thickness and depth along a circular line located at a predetermined radius from the center on the rear surface,
Shaped spring band having a diameter smaller than a diameter of the band insertion groove in an initial state and inserted into the band insertion groove with a diameter larger than an initial state by an external force, the diameter being restored by an elastic force, A first spring band for pressing the inner peripheral surface of the packing member against the pipe; Further included,
The first spring band is formed with a first inclined projection projecting obliquely in an oblique manner at one end and a first inclined groove recessed in a shape corresponding to the first inclined projection at the opposite end of the first spring band Spring-band sealed one-touch pipe coupler. 3. The method of claim 2,
The second spring band has a second inclined projection projecting obliquely at one end thereof in the shape of a chopper backlight and a second inclined groove recessed in a shape corresponding to the second inclined projection at the opposite end of the second spring band Spring-band sealed one-touch pipe coupler. 3. The method of claim 2,
Wherein each of the first spring band and the second spring band is formed with a bent portion which is inserted into the band insertion groove and is rounded and bent at a front end portion abutting against the packing member. 3. The method of claim 2,
The pipe fixing member includes a ring-shaped claw passing through the pipe at the center thereof, and a ring-shaped claw which is inserted in the pipe but is inclined in a direction in which the inner diameter of the pipe decreases toward the rear, And a plurality of radiating pieces are provided on the outer circumferential surface of the one-touch pipe coupler. The method according to any one of claims 2 to 6,
A tear preventing washer provided at an upper end of the band insertion groove; Further comprising a spring-band-tight one-touch pipe coupler. 8. The method of claim 7,
Wherein the tear-proof washer is insert-molded inside the packing member. The method according to any one of claims 2 to 6,
Wherein the packing member has a plurality of pipe pressing projections formed on the inner circumferential surface so as to be inclined rearwardly in a multilayered manner. The method according to any one of claims 2 to 6,
Wherein the packing member has a multi-layered body pressing projection projecting obliquely rearward on an outer circumferential surface thereof.

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