KR101779086B1 - Wedge sealed type one touch pipe coupler - Google Patents

Abstract

The present invention relates to a wedge-sealed type one-touch pipe coupler, and more particularly, to a wedge-sealed one-touch pipe coupler, in which a pipe is easily inserted only by inserting a pipe into a coupler body, The watertightness or airtightness of the pipe inserted into the coupler body can be reliably maintained through the wedge member that opens to the both sides of the packing member, and furthermore, the inclined cam surface is formed on the contact surfaces of the mutually stacked pair of packing members, The present invention relates to a wedge-sealed one-touch pipe coupler in which a sealing force by the packing member can be improved by moving a pair of packing members in mutually opposed inner and outer directions, respectively.
A wedge-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 is moved in a watertight or hermetic manner, wherein a hollow is formed along the longitudinal direction, A coupler body inserted into 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 wedge insertion groove formed on a rear surface thereof along a circular line having a predetermined radius from the center thereof, the outer circumferential surface of the packing member is pressed onto the coupler body, A wedge member that is forwardly moved by a fluid pressure in the coupler body to be inserted into the wedge insertion groove to open the rear portion of the packing member to both sides; And further comprising:

Description

{WEDGE SEALED TYPE ONE TOUCH PIPE COUPLER}

The present invention relates to a wedge-sealed type one-touch pipe coupler, and more particularly, to a wedge-sealed one-touch pipe coupler, in which a pipe is easily inserted only by inserting a pipe into a coupler body, The watertightness or airtightness of the pipe inserted into the coupler body can be reliably maintained through the wedge member that opens to the both sides of the packing member, and furthermore, the inclined cam surface is formed on the contact surfaces of the mutually stacked pair of packing members, The present invention relates to a wedge-sealed one-touch pipe coupler in which a sealing force by the packing member can be improved by moving a pair of packing members in mutually opposed inner and outer directions, respectively.

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 above problems of the prior art, 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 wedge-sealed one-touch pipe coupler that can more reliably maintain the watertightness or airtightness of the pipe inserted into the coupler body.

In order to achieve the above object, a wedge-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 is moved, in a watertight or hermetic manner, A coupler body inserted into the pipe in 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; Wherein the packing member has a wedge insertion groove formed in a rear surface along a circular line having a predetermined radius from the center and is forwardly moved by fluid pressure inside the coupler body and inserted into the wedge insertion groove A wedge member that opens the rear portion of the packing member to both sides; And further comprising:

Further, in the wedge-sealed one-touch pipe coupler according to the present invention, the packing member may be a combination of a front packing member and a rear packing member stacked in the front-rear direction, and when the external force acts in the direction of mutual compression, One of the member and the rear packing member is axially tapered and the inner circumferential surface is compressed on the pipe and the other is expanded and the outer circumferential surface is pressed onto the coupler body so as to be in contact with each other, And an inclined cam surface is formed.

In the wedge-sealed one-touch pipe coupler according to the present invention, when an external force is applied to the packing member in the direction of compressing the packing member, any one of the front packing member and the rear packing member, which is a shaft pipe, The other one of the compression protrusions is formed as a multi-layer, and the other is a multi-layered body pressing protrusion protruding obliquely rearward on the outer circumferential surface.

Further, in the wedge-sealed one-touch pipe coupler according to the present invention, the hollow of the coupler main body is formed in a tapered shape in the shape of a chopping back light, and the outer peripheral surface of the packing member is formed into a tapered shape .

In the wedge-sealed one-touch pipe coupler according to the present invention, the wedge member is formed with a first inclined surface and a second inclined surface which are inclined so that the end surface of the wedge member has a 단면-shaped cross section, and the rear surface receives fluid The fluid inlet groove is formed.

Further, in the wedge-sealed one-touch pipe coupler according to the present invention, the wedge insertion groove of the packing member may have a first tapered surface and a second tapered surface which are sloped in a shape corresponding to the first inclined surface and the second inclined surface of the wedge member, And an insertion guide groove formed at a predetermined depth from a point where the first taper surface and the second taper surface meet so that the leading end of the wedge member can be inserted at a certain depth.

The wedge-sealed one-touch pipe coupler according to the present invention is characterized in that the pipe fixing member includes a ring-shaped ring portion through which the pipe passes, and a ring-shaped ring portion through which the pipe can be inserted, And a plurality of radiating pieces arranged obliquely in a direction in which the inner diameter decreases toward the rear side.

The wedge-sealed one-touch pipe coupler according to the present invention is a member having a predetermined elasticity in the front-rear direction, one end of which is supported by the rear end of the wedge member and the other end is supported by the coupler main body to elastically press the wedge member forward A wedge elastic pressing member; And further comprising:

Further, in the wedge-urged one-touch piping coupler according to the present invention, the wedge elastic pressing member may include at least three wedge elastic pressing members, one end of which is supported at the rear end of the wedge member and is sloped rearwardly, bent by an external force, And a plurality of leaf springs made of a plurality of leaf springs.

In the wedge-sealed one-touch pipe coupler according to the present invention, the wedge member is bent along a circular line having a certain radius from the center of the plate member having the spring protrusion protruded at regular intervals along the circumferential direction at its outer end, Wherein the first inclined surface and the second inclined surface are formed on the front surface of the plate member and the fluid inflow groove is formed on the rear surface of the plate member, And a plurality of bent portions.

The wedge-sealed one-touch pipe coupler according to the present invention is advantageous in that the pipe can be easily connected to the coupler body only by inserting the pipe into the coupler body, that is, by one- There is an advantage that the watertightness or airtightness of the pipe inserted into the coupler body can be reliably maintained through the wedge member that opens the rear portion of the packing member to the both sides.

Further, the wedge-sealed one-touch pipe coupler according to the present invention is characterized in that a pair of packing members are formed such that when the packing members are compressed according to the insertion of the pipe, the pair of packing members There is an advantage that the sealing force by the packing member can be improved by being moved in the inner and outer directions facing each other.

Further, in the wedge-sealed one-touch pipe coupler according to the present invention, the hollow of the coupler main body and the outer peripheral surface of the packing member abutting thereon are tapered in the form of a meandering backlight, and the packing member is moved forward by the fluid pressure inside the coupler main body There is an advantage that the sealing force by the packing member can be improved.

1 is an exploded perspective view of a piping coupler according to the prior art;
2 is an exploded perspective view of a wedge-sealed one-touch pipe coupler according to an embodiment of the present invention.
3 is an exploded cross-sectional view of the packing member according to one embodiment of the present invention and a cross-
4 is a perspective view of a wedge member according to an embodiment of the present invention.
5 and 6 are cross-sectional views of the wedge-sealed one-touch pipe coupler according to an embodiment of the present invention,

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

FIG. 2 is an exploded perspective view of a wedge-sealed one-touch pipe coupler according to an embodiment of the present invention, FIG. 3 is a cross-sectional view illustrating a packing member according to an embodiment of the present invention, and FIG. 5 is a perspective view of a wedge member according to an embodiment of the present invention, and Figs. 5 and 6 are sectional views of a wedge-sealed one-touch pipe coupler according to an embodiment of the present invention.

 2 to 6, a wedge-sealed one-touch pipe coupler according to an embodiment of the present invention includes a coupler body 10, A packing member 30, a wedge member 40, a wedge elastic pressing member 50, and a front cap 60. As shown in Fig.

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).

In an embodiment of the present invention, the hollow 11 is formed in a tapered shape in the shape of a neck-and-neck halve so as to abut the outer circumferential surface of the packing member 30.

In the embodiment of the present invention, the inner step 121 for receiving the tip end of the pipe P inserted into the coupler body 10 and the leaf spring 12 as a wedge elastic pressing member 50 A pipe support 12 having an outer step 122 for supporting the other end of the pipe 51 is fixed.

In order to solve such a problem, the pipe support 12 is not easily machined in the hollow 11 of the coupler body 10, and the pipe support 12 is provided at the center of the hollow 11 So that both sides thereof can be press-fitted into the hollow 11 by press-fitting.

Of course, the pipe support 12 may be integrally formed by machining the inside of the coupler body 10.

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 is composed of a combination of a front packing member 30a and a rear packing member 30b stacked in the front-rear direction.

3 (a), on the mutually contacting surfaces of the front packing member 30a and the rear packing member 30b, there are formed a first inclined cam surface 34a and a second inclined cam surface 34a, The cam surface 34b is formed.

3 (b), when the external force acts on the packing member 30 from the state of FIG. 3 (a), the first inclined cam surface 34a and the second inclined cam surface 34b And the front packing member 30a which is one of the front packing member 30a and the rear packing member 30b is axially guided and the inner circumferential surface thereof is pressed onto the pipe P, The rear packing member 30b is expanded and the outer circumferential surface thereof is pressed onto the coupler body 10. [

In addition, in the embodiment of the present invention, the packing member 30 is provided with a pipe pressing projection 32 and a body pressing projection 33. [

The pipe pressing projections 32 are formed in the front packing member 30a or the rear packing member 30b when the external force acts on the packing member 30 in the direction of compressing the packing member 30, The pipe P can be easily inserted into the packing member 30 by the pipe pressing protrusion 32 as described above, The pipe compression protrusion 32 is moved forward by the fluid pressure inside the coupler body 10 while the pipe P is inserted and pressed to the pipe P so that a more reliable Watertightness or airtightness can be maintained.

The main body pressing projection 33 is formed on the front packing member 30a or the rear packing member 30b when the external force acts on the packing member 30 in the direction of compressing the packing member 30, 30b are formed in a multilayer structure in which the projections projecting obliquely rearward are formed in a multi-layered structure. As shown in FIG. 6, in the same manner as the pipe compression projections 32, The projections 33 are moved forward and compressed and pressed onto the coupler body 10, thereby more reliable watertightness or airtightness can be maintained.

In addition, in an embodiment of the present invention, the packing member 30 has a wedge insertion groove 31 formed in a rear surface thereof along a circular line located at a predetermined radius from the center.

The wedge insertion groove 31 has a configuration for inserting a wedge member 40 to be described later and is inclined in a shape corresponding to the first inclined face 41 and the second inclined face 42 of the wedge member 40 A first tapered surface 311 and a second tapered surface 312 are formed.

An insertion guide groove 313 having a predetermined depth is formed forward from a point where the first tapered surface 311 and the second tapered surface 312 meet so that the distal end of the wedge member 40 can be inserted at a certain depth .

In addition, the outer circumferential surface of the packing member 30 is tapered in the form of a neck-and-neck light corresponding to the shape of the hollow 11 of the coupler body 10.

Therefore, when the packing member 30 is moved forward by the fluid pressure inside the coupler body 10, the hollow 11 and the packing member 30 of the coupler body 10, The front end portion of the packing member 30 receives a greater compressive force by the outer peripheral surface shape of the packing member 30, so that the sealing force by the packing member 30 remarkably increases.

The wedge member 40 is moved forward by the fluid pressure inside the coupler body 10 and inserted into the wedge insertion groove 31 to open the rear portion of the packing member 30 to both sides.

6, when the wedge member 40 is inserted into the wedge insertion groove 31, the outer circumferential surface of the packing member 30 is pressed onto the coupler body 10, The sealing surface of the packing member 30 can be significantly increased by being pressed on the pipe P on the inner circumferential surface thereof.

In the embodiment of the present invention, the wedge member 40 has a first inclined surface 41 and a second inclined surface 42 which are inclined so that the end surface of the wedge member 40 has a Λ shape, The fluid inlet groove 43 is formed.

The wedge elastic pressing member 50 is a member having a predetermined elasticity in the forward and backward directions and has one end supported at the rear end of the wedge member 40 and the other end supported at the coupler body 10 to support the wedge member 40 And is elastically pressed forward.

The wedge member 40 is forwardly moved by the fluid pressure due to the structure of the fluid inflow groove 43. In addition, the wedge member 40 is elastically pressed forward by the configuration of the wedge elastic pressing member 50, (40) can be moved forward more surely and inserted into the wedge insertion groove (31) of the packing member (30), and the rear portion of the packing member (30) can be spread to both sides.

In one embodiment of the present invention, the wedge elastic pressing member 50 includes at least three wedge elastic pressing members 50, which are supported at one end of the wedge member 40 and are inclined rearwardly, bent by an external force, And a plurality of leaf springs (51).

Of course, the wedge elastic pressing member 50 may be constituted by a coil spring, an elastomer or the like having a predetermined elasticity in the longitudinal direction.

Further, in the embodiment of the present invention, the wedge member 40 and the wedge elastic pressing member 50 are integrally formed by machining a donut-shaped plate member having spring protrusions protruding at regular intervals along the circumferential direction at the outer end thereof, .

4, the wedge member 40 is bent along a circular line having a predetermined radius from the center of the donut-shaped plate member, and the first inclined surface 41, the second inclined surface 41, And the plurality of leaf springs (51) are arranged such that the spring protrusions (42) are formed on the outer edge of the donut-shaped plate member And bent at an inclined angle.

The front cap 60 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 61 is formed and is fastened to the front end of the coupler body 10.

5 and 6 show a state of use of the wedge-sealed one-touch pipe coupler according to an embodiment of the present invention. In the initial state of FIG. 5, the pipe P is connected to the coupler body 10 When the pipe P is inserted into the hollow 11, the radiating piece 22 of the pipe fixing member 22 is bent backward so that the pipe P can be inserted, So that the pipe P is fixed at one-touch.

In addition, when the pipe P is inserted into the 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 projections 32 are moved forward and compressed by the fluid pressure inside the pipe P and are more reliably pressed on the pipe P. [

The wedge member 40 is forwardly moved by the fluid pressure inside the coupler body 10 and the wedge elastic pressing member 50 and is inserted into the wedge insertion groove 31, The outer circumferential surface of the packing member 30 is pressed against the coupler body 10 and the inner circumferential surface of the packing member 30 is pressed against the pipe P so that the sealing force of the packing member 30 Can be significantly increased.

Further, when the compression force is applied to the packing member 30 as a whole by the wedge member 40, the first and second inclined cam surfaces 34a and 34b are pressed against the front packing member 30a and the front packing member 30a by the first inclined cam surface 34a and the second inclined cam surface 34b, The front packing member 30a is axially guided and the inner circumferential surface thereof is pressed on the pipe P while the rear packing member 30b is expanded and the outer packing member 30b is expanded, The sealing force of the packing member 30 can be further increased by being pressed on the coupler body 10.

The wedge-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
12 Pipelines
20 pipe fixing member
21 Ring
22 Radiation piece
30 packing member
30a front packing member
30b rear packing member
31 Wedge insertion groove
311 1st tapered surface
312 2nd tapered surface
313 Insertion groove
32 Pipe crimp projection
33 Main body crimp projection
34a First inclined cam surface
34b Second inclined cam surface
40 wedge member
41 First inclined surface
42 2nd slope
43 fluid inlet groove
50 wedge elastic pressing member
51 leaf spring
60 front cap
61 pipe through hole

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,
Wherein the packing member has a wedge insertion groove formed on a rear surface thereof along a circular line having a predetermined radius from the center,
A wedge member that is forwardly moved by fluid pressure inside the coupler body and inserted into the wedge insertion groove to open the rear portion of the packing member to both sides; Further,
Wherein the packing member is composed of a combination of a front packing member and a rear packing member which are stacked in the front-rear direction, wherein when an external force acts in a direction of compressing them, either the front packing member or the rear packing member is shaft- And a first inclined cam surface and a second inclined cam surface inclined to be mutually corresponding to each other are formed on surfaces mutually contacting so that the outer circumferential surface is pressed onto the coupler body. . 3. The method of claim 2,
When an external force acts on the packing member in the direction of mutual compression, one of the front packing member and the rear packing member is formed with a plurality of pipe pressing protrusions which are sloped rearward on the inner circumferential surface, And a body pressing projection projecting obliquely rearward on the outer circumferential surface is formed in a multilayered structure. 3. The method of claim 2,
Wherein the hollow of the coupler body is tapered in a neck-
Wherein the outer circumferential surface of the packing member is tapered so as to correspond to the hollow shape of the coupler main body in the shape of a chronological halftone. 3. The method of claim 2,
Wherein the wedge member is formed with a first inclined surface and a second inclined surface which are sloped so that the end surface of the wedge portion has a 단면 shape and a fluid inlet groove is formed on the rear surface to receive a fluid and receive a pressing force. Piping coupler. 6. The method of claim 5,
Wherein the wedge insertion groove of the packing member has a first tapered surface and a second tapered surface that are inclined in a shape corresponding to the first inclined surface and the second inclined surface of the wedge member, Wherein an insertion guide groove having a predetermined depth is formed forward from a point where the first taper surface and the second taper surface meet. The method according to any one of claims 2 to 6,
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, A wedge-sealed one-touch pipe coupler comprising a plurality of radiating pieces. The method according to any one of claims 2 to 6,
A wedge resilient urging member having a constant elasticity in the forward and backward directions, one end of which is supported at the rear end of the wedge member and the other end is supported by the coupler main body to elastically press the wedge member forward; Further comprising a wedge-sealed one-touch pipe coupler. 9. The method of claim 8,
The wedge elastic urging member includes a plurality of leaf springs supported at one end by the rear end of the wedge member and protruding obliquely rearwardly and bent by an external force and being stretched by elasticity. Wedge sealed one-touch piping coupler. 10. The method of claim 9,
The wedge member has a donut-shaped plate member having a spring protrusion protruded at a predetermined interval along a circumferential direction at an outer end thereof along a circular line having a predetermined radius from the center of the plate member, Two inclined surfaces are formed, the fluid inflow grooves are formed on the rear surface of the plate member,
Wherein the plurality of leaf springs are configured such that the spring protrusions are bent at a predetermined inclination angle from an outer end of the donut-shaped plate member.

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