CN203431369U

CN203431369U - Pipe joint easy to disassemble and assemble

Info

Publication number: CN203431369U
Application number: CN201320536702.2U
Authority: CN
Inventors: 赵逸
Original assignee: 赵逸
Current assignee: Chongqing flame energy Limited by Share Ltd
Priority date: 2013-08-31
Filing date: 2013-08-31
Publication date: 2014-02-12
Anticipated expiration: 2023-08-31

Abstract

The utility model provides a pipe joint easy to disassemble and assemble. The pipe joint comprises a pipe body, a sealing body component, a connecting pipe clamping ring, an inserting pipe, a sealing body limiter, a clamp ring limiter and the like. The inner wall of the end of the pipe body is provided with an annular step, the sealing body component is arranged on the step, and the sealing body component comprises three sealing rings and is limited and fixed through the sealing body limiter; the first sealing ring is an annular rubber ring with the trapezoidal cross section, a triangular region at the bottom of the trapezoidal cross section is hollowed out, and the second sealing ring and the third sealing ring are annular rubber rings with convex arc-shaped inner side faces; the connecting pipe clamping ring is arranged at the front end of the pipe body and formed by a clamping pin and a clamping claw, the clamping pin is limited and fixed through the clamp ring limiter, and the claming claw inclines towards the inner portion of the pipe body; the clamp ring limiter is fixed with the pipe body a sleeved connection mode and used for limiting and fixing the position of the connecting pipe clamping ring; the inserting pipe is further arranged at the end of the pipe body, and when the inserting pipe is pressed towards the inner portion of the pipe body, the front end of the inserting pipe enables the clamping claw of the connecting pipe clamping ring to be opened.

Description

A kind of pipe coupling easy to assemble

Technical field

The utility model relates to component of machine technical field, is specifically related to a kind of pipe coupling easy to assemble.

Background technique

In the pipe-line equipment that industrial production and daily life are used, often pipeline need to be communicated with or dismantle, in order to realize fast operating, people have designed various easy-to-dismount pipe joint units.But in most of pipe joint units, seal member is to be all connected transition layer for inboard wall of tube body with adapter outer wall sealing, and seal member adopts rubber to make formation annular rubber sealing circle mostly; At pipe joint unit, used after a period of time, because rubber seal is directly exposed in air for a long time, aging speed is very fast, and the sealing of pipe joint unit just reduces gradually, finally starts to occur infiltration, the phenomenon of leaking.

Model utility content

The utility model is for the deficiency of above-mentioned technology, a kind of favorable sealing property is provided and has been provided with the pipe coupling easy to assemble of separation layer rubber ring.

For reaching above-mentioned target, the technical solution adopted in the utility model is: a kind of pipe coupling easy to assemble, comprises body, seal member, takes over the compositions such as snap ring, intubate, seal snubber, snap ring snubber; The inner wall of end of described body is provided with ring-shaped step, and seal member is set on step, and seal member is divided into three seals circle, fixing by the restriction of seal snubber; The first seal ring is the rubber turn of trapezoid cross section, and trapezoid cross section bottom position delta-shaped region is through hollowing out processing, and the second seal ring, the 3rd seal ring are the rubber turn of the circular-arc inner side surface of convex; Body front end position arranges adapter snap ring, and this adapter snap ring consists of card base and claw, and card base is fixing by the restriction of snap ring snubber, and claw is tilted towards body; Snap ring snubber and body are fixed by socket, for limiting the fixing position of taking over snap ring; Body end is also provided with intubate, and when pressing this intubate in body, the front end of intubate can strut the claw of taking over snap ring.

Seal member in the utility model structure is divided into three seals circle, and the 3rd seal ring is used for isolating body inside and ambient air, effectively slows down the ageing of rubber speed of the first seal ring, the second seal ring; The first seal ring, the second seal ring are as the two seals of pipe joint unit, and under the protection of the first seal ring, obtain significantly its working life increases.

During according to the actual use of three seals circle, to the bubble-tight different requirements of surface of contact, as preferably, the first ring inner hole footpath is less than the second ring inner hole diameter, and the second ring inner hole footpath is less than the 3rd ring inner hole diameter.

While using the utility model, will take over and insert in body, and take over front end and can strut the claw of taking over snap ring, claw is issued to and blocks the effect of taking over outer wall in elastic restoring force effect, realizes taking over being communicated with the quick of body; Now, the trapezoid cross section rubber turn of the first seal ring seals as first, under the effect of the inner side surface of its trapezoid cross section rubber turn hydraulic pressure in body, especially bottom position delta-shaped region in trapezoid cross section is through hollowing out after processing, the tube wall that makes the inner side surface of rubber turn and insert to take over contacts more tight, and the extruding force between surface of contact is along with the rising meeting of hydraulic pressure in body strengthens gradually; The second seal ring is provided with the rubber turn of the circular-arc inner side surface of convex, and as second sealing, the inner side surface of rubber turn is forming large size close contact, good seal performance under squeezing action mutually with the tube wall that inserts adapter.

As preferably, the 3rd seal ring is also provided with the rubber turn of the circular-arc inner side surface of convex, consider extraction difficulty when dismounting is taken over, the 3rd ring inner hole diameter is larger than the second ring inner hole diameter, but it contacts tightness degree and also should enough isolate body inside and ambient air under squeezing action mutually for the inner side surface of its rubber turn and the tube wall of insert taking over, play the ageing of rubber speed that slows down the first seal ring, the second seal ring, increase the effect in its working life.

When needs dismounting is taken over, intubate to be pressed in body, intubate just can strut the claw of taking over snap ring, takes over snap ring and has just unclamped adapter outer wall, both can by taking over, extract out easily.

As preferably, on described inboard wall of tube body and seal snubber, snap ring snubber outer side surface, be respectively arranged with specification matches, position is corresponding groove and projection, to realize both being fixed by socket; On described snap ring snubber inner side surface and intubate outer side surface, be respectively arranged with specification matches, position is corresponding step and barb angles, prevent that intubate from use skidding off.

Compared with prior art, the remarkable advantage of the pipe coupling easy to assemble that the utility model provides is: the utility model is by being an accessory that comprises three seals circle by seal member designs, comprise bottom position delta-shaped region through the trapezoid cross section rubber turn that hollows out processing as the first seal ring, be provided with the rubber turn of the circular-arc inner side surface of convex as the second seal ring, two seals is provided, has guaranteed the sealing of taking over; The 3rd seal ring, as the separation layer of body inside and ambient air, plays and slows down inner rubber aging speed, increases the effect in its working life; And whole seal member is as an integrated type accessory, and cost of production is low, and assembly operation operation is easy.

Accompanying drawing explanation

Fig. 1 is pipe joint structure cross-sectional schematic of the present utility model.

Wherein: 1 is body, 2 is step, and 3 is seal member, and 4 is seal snubber, and 5 is snap ring snubber, and 6 is intubate, and 7 for taking over snap ring, and 31 is the first seal ring, and 32 is the second seal ring, and 33 is the 3rd seal ring.

Embodiment

Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described.

Consult accompanying drawing, the pipe coupling a kind of easy to assemble that the utility model provides, comprises body 1, and seal member 3 is taken over snap ring 7, intubate 6 and seal snubber 4, snap ring snubber 5 members such as grade.Described body 1 can be a conduit pipeline, can be also that body described in the present embodiment 1 is right-angled bend joint for being communicated with the conduit pipeline devices such as the joint of two conduit pipelines or water tap, valve.

During concrete enforcement, the inner wall of end of body 1 is provided with ring-shaped step 2, on step 2, install seal member 3 is set, described seal member 3 is divided into three seals circle, the rubber turn that the first seal ring 31 is trapezoid cross section, trapezoid cross section bottom position delta-shaped region is through hollowing out processing, and the second seal ring 32, the 3rd seal ring 33 are the rubber turn of the circular-arc inner side surface of convex.

For fixed constraints is inserted the adapter in body 1, described body 1 front end position is also provided with takes over snap ring 7, takes over snap ring 7 and consists of card base and claw, and card base is fixing by 5 restrictions of snap ring snubber, and claw tilts towards taking over direction of insertion.

In concrete enforcement, on body 1 inwall and seal snubber 4, snap ring snubber 5 outer side surfaces, be respectively arranged with specification matches, position is corresponding groove and projection, to realize both being fixed by socket.

In concrete enforcement, when pressing intubate 6 in body 1, the front end of intubate 6 can strut the claw of taking over snap ring 7; On snap ring snubber 5 inner side surfaces and intubate 6 outer side surfaces, be respectively arranged with specification matches, position is corresponding step and barb angles, prevent that intubate 6 from use skidding off.

While using the utility model structure, will take over and insert in body 1, and take over front end and can strut the claw of taking over snap ring 7, claw is issued to and blocks the effect of taking over outer wall in elastic restoring force effect, realizes taking over being communicated with the quick of body 1; Now, the trapezoid cross section rubber turn of the first seal ring 31 seals as first, under the effect of the inner side surface of its trapezoid cross section rubber turn hydraulic pressure in body, especially bottom position delta-shaped region in trapezoid cross section is through hollowing out after processing, the tube wall that makes the rubber turn inner side surface of the first seal ring 31 and insert to take over contacts more tight, and the extruding force between surface of contact is along with the rising meeting of hydraulic pressure in body strengthens gradually; Be provided with the second seal ring 32 of the circular-arc inner side surface rubber turn of convex as second sealing, the inner side surface of rubber turn is forming large size close contact, good seal performance under squeezing action mutually with the tube wall that inserts adapter; The inner side surface of the rubber turn of the 3rd seal ring 33 is used for isolating body inside and ambient air with tube wall its surface of contact under mutual squeezing action that inserts adapter, play the ageing of rubber speed that slows down the first seal ring 31, the second seal ring 32, increase the effect in its working life.

When needs dismounting is taken over, intubate 6 to be pressed in body 1, intubate 6 just can strut the claw of taking over snap ring 7, takes over snap ring 7 and has just unclamped adapter outer wall, both can by taking over, extract out easily.

Claims

1. a pipe coupling easy to assemble, comprises body, seal member, takes over snap ring, intubate, seal snubber, snap ring snubber; The inner wall of end of body is provided with ring-shaped step, and seal member is set on step, and sealing body member is fixing by the restriction of seal snubber; Body front end position arranges adapter snap ring, and this adapter snap ring consists of card base and claw, and card base is fixing by the restriction of snap ring snubber, and claw is tilted towards body; Snap ring snubber and body are fixed by socket, for limiting the fixing position of taking over snap ring; Body end is also provided with intubate, and when pressing this intubate in body, the front end of intubate can strut the claw of taking over snap ring; It is characterized in that: described seal member is divided into three seals circle, the first seal ring is the rubber turn of trapezoid cross section, trapezoid cross section bottom position delta-shaped region is through hollowing out processing, and the second seal ring, the 3rd seal ring are the rubber turn of the circular-arc inner side surface of convex.

2. a kind of pipe coupling easy to assemble according to claim 1, is characterized in that: described the first ring inner hole footpath is less than the second ring inner hole diameter, and the second ring inner hole footpath is less than the 3rd ring inner hole diameter.