CN209977525U

CN209977525U - Quick pipeline connecting joint

Info

Publication number: CN209977525U
Application number: CN201920654708.7U
Authority: CN
Inventors: 苏秀贞
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-01-21
Anticipated expiration: 2029-05-08

Abstract

The utility model discloses a pipeline quick connect coupling relates to and connects technical field, and its technical scheme main points are: the pipe joint comprises a pipe joint body with a through hole arranged inside, wherein a sealing device is arranged inside the pipe joint body and comprises a rubber sealing ring and a gasket, and the rubber sealing ring comprises a rubber body and at least two sealing sheets which are uniformly distributed along the axial direction of the rubber body; the gasket includes an abutting main body and an extending piece. The inner ring groove is only provided with one rubber sealing ring and one gasket, so that the composition of the sealing device is simplified to a great extent, and the assembly process of the quick pipeline connecting joint is more convenient and quick. Be provided with two at least gasket on the rubber body, stretch into the pipe connector body when inside at the pipe fitting like this, all gaskets homoenergetic are contradicted in the inner wall of pipe fitting and are used for sealing up the pipe fitting in the clearance between the pipe connector body to guarantee when using, water is difficult for flowing from the pipe fitting in the clearance between the pipe connector body.

Description

Quick pipeline connecting joint

Technical Field

The utility model relates to a connect technical field, in particular to pipeline quick connect connects.

Background

At present, chinese patent with publication number CN207906676U discloses a formula quick-operation joint cut straightly, establish the pipe connector body of through-hole in including, the at least one end of pipe connector body is provided with the sealing device who is used for sealed pipeline and is used for the fast device that connects of connecting tube, be provided with the locking cap that is used for compressing tightly sealing device simultaneously and connects the device soon on the pipe connector body, seted up first inner ring groove, second inner ring groove and third inner ring groove on the pipe connector body, sealing device is including setting up first rubber seal on first inner ring groove, arranging first gasket, second rubber seal and the second gasket in the second inner ring groove in proper order in, and the second gasket is contradicted with second rubber seal. During the use, the inner wall of first rubber seal and second rubber seal warp and hug closely in the outer wall of pipe fitting for the water that the inside pipe connector body flows through is difficult for flowing out from the clearance between pipe fitting and first rubber seal/second rubber seal. However, in order to seal the pipe by using the first rubber sealing ring and the second rubber sealing ring, the first rubber sealing ring and the second rubber sealing ring need to be positioned by using the first gasket and the second gasket, so that the structure of the sealing device becomes more complex, and the assembly of the direct-insertion quick coupling becomes more complicated.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a pipeline quick connect connects, it has the comparatively convenient and comparatively simple advantage of sealing device structure of equipment.

The above technical purpose of the present invention can be achieved by the following technical solutions: a quick connecting joint for a pipeline comprises a pipe joint body with a through hole formed therein, wherein an inner annular groove is formed in the pipe joint body, a sealing device used for sealing the pipeline is installed in the inner annular groove, the sealing device comprises a rubber sealing ring and a gasket used for pressing the rubber sealing ring to the inner annular groove, the rubber sealing ring comprises a rubber body and sealing sheets, the rubber body is arranged in the inner annular groove, the outer ring of the rubber body is attached to the groove wall of the inner annular groove, one end of the sealing sheet is fixedly connected to the inner wall of the rubber body, the other end of the sealing sheet is reduced and extends to one side of the center of the pipe joint body, and the sealing sheets are at least two and are uniformly distributed along the axial direction of the pipe joint body; the gasket includes the butt main part and extends the piece, the butt main part contradict in the tip of rubber body and be used for with rubber body compresses tightly in on the diapire of interior annular groove, the one end fixed connection that extends the piece in on the inner wall of butt main part, the other end bending of extending the piece to rubber body one side and be used for with rubber body support tightly in on the lateral wall of interior annular groove.

Through the technical scheme, the inner ring groove is only provided with the rubber sealing ring and the gasket, so that the composition of the sealing device is simplified to a great extent, and the assembling process of the quick pipeline connecting joint becomes convenient and quick. Be provided with two at least gasket along rubber body axial evenly distributed on rubber body's inner wall, when the pipe fitting stretches into pipe connector body inside like this, all gaskets homoenergetic can be contradicted in the inner wall of pipe fitting and be used for sealing up the clearance of pipe fitting between the pipe connector body to guarantee when using, water is difficult for flowing in the clearance between the pipe connector body from the pipe fitting.

Preferably, an annular supporting block is integrally formed on the inner wall of the inner annular groove, and the supporting block extends to one side of the sealing sheet and is attached to the outer wall of the sealing sheet.

Through above-mentioned technical scheme, the supporting shoe that sets up in interior annular groove can contradict in the gasket and support the gasket.

Preferably, the inner ring groove faces the end face of the pipe connector body and is provided with an annular groove, the rubber body is integrally formed with an annular limiting block, and the limiting block extends into the groove and abuts against the inner wall of the groove.

Through above-mentioned technical scheme, the outer wall of stopper is contradicted in the inner wall of recess for rubber body is difficult for taking place axial relative movement between the pipe connector body.

Drawings

Fig. 1 is a schematic sectional view of an embodiment, which is mainly used for showing the components of the embodiment.

Reference numerals: 1. the pipe joint body; 2. an inner ring groove; 3. a sealing device; 31. a rubber seal ring; 311. a rubber body; 312. sealing the sheet; 32. a gasket; 321. an abutment body; 322. an extension piece; 4. a support block; 5. a groove; 6. and a limiting block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a pipeline quick connect connects, as shown in figure 1, includes cylindric pipe connector body 1, and the coaxial through-hole of following axial extension of seting up on the pipe connector body 1, the notch shape is circular shape inner ring groove 2 has all been seted up at the both ends of pipe connector body 1, and the central axis of inner ring groove 2 coincides with the central axis of pipe connector body 1. Annular recess 5 has been seted up to the coaxial annular groove 5 of having seted up on the terminal surface at inner ring groove 2 orientation pipe connector body 1 center, and inner ring groove 2 has annular supporting shoe 4 towards integrated into one piece on the terminal surface at pipe connector body 1 center, and the central axis of supporting shoe 4 and the central axis coincidence of pipe connector body 1, and supporting shoe 4 is surrounded by annular recess 5.

A sealing device 3 is arranged in the inner ring groove 2, and the sealing device 3 is used for sealing the pipeline. The sealing device 3 includes a rubber packing 31 and a gasket 32. Rubber seal 31 includes rubber body 311 and sealing disc 312, and rubber body 311's cross-section is the ring shape, and rubber body 311's outer wall supports tightly in the inside wall of inner circular groove 2, and rubber body 311 has annular stopper 6 towards integrated into one piece on the tip at pipe connector body 1 center, and stopper 6 stretches into to recess 5 inside and contradict in recess 5's inner wall, and stopper 6 cooperates the axial motion of restriction rubber body 311 in recess 5. The sealing sheet 312 has at least two sheets and is evenly distributed along the axial direction of the rubber body 311, one end of the sealing sheet 312 is fixedly connected to the inner ring of the rubber body 311, the other end of the sealing sheet 312 extends to one side of the center of the pipe joint body 1, and the sealing sheet 312 is contracted to one side of the pipe joint body 1. When the pipe member extends into the pipe joint body 1, the sealing sheet 312 abuts against the outer wall of the pipe member and seals the pipe member.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims

1. The utility model provides a pipeline quick connect coupling establishes pipe connector body (1) of through-hole in including, pipe connector body (1) inside is formed with interior annular groove (2), install sealing device (3) that are used for sealed pipeline in interior annular groove (2), sealing device (3) include rubber seal (31) and will rubber seal (31) compress tightly in gasket (32) of interior annular groove (2), characterized by: the rubber sealing ring (31) comprises a rubber body (311) and sealing pieces (312), the rubber body (311) is arranged in the inner annular groove (2), the outer ring of the rubber body (311) is attached to the wall of the inner annular groove (2), one end of each sealing piece (312) is fixedly connected to the inner wall of the rubber body (311), the other end of each sealing piece (312) is reduced and extends to one side of the center of the pipe joint body (1), and the sealing pieces (312) are at least two and are uniformly distributed along the axial direction of the pipe joint body (1); the gasket (32) comprises a butt main body (321) and an extension piece (322), the butt main body (321) is abutted to the end of the rubber body (311) and is used for pressing the rubber body (311) onto the bottom wall of the inner annular groove (2), one end of the extension piece (322) is fixedly connected onto the inner wall of the butt main body (321), and the other end of the extension piece (322) is bent towards one side of the rubber body (311) and is used for abutting the rubber body (311) onto the side wall of the inner annular groove (2).

2. The quick connect coupling for pipes of claim 1, wherein: an annular supporting block (4) is integrally formed on the inner wall of the inner annular groove (2), and the supporting block (4) extends to one side of the sealing piece (312) and is attached to the outer wall of the sealing piece (312).

3. The quick connect coupling for pipes of claim 1, wherein: annular recess (5) have been seted up towards in interior annular groove (2) on the terminal surface of pipe connector body (1), integrated into one piece has annular stopper (6) on rubber body (311), stopper (6) stretch into to in recess (5) and contradict in the inner wall of recess (5).