CN201810917U

CN201810917U - Pipe joint

Info

Publication number: CN201810917U
Application number: CN2010205560755U
Authority: CN
Inventors: 郑鉴川
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-10-08
Filing date: 2010-10-08
Publication date: 2011-04-27
Anticipated expiration: 2020-10-08

Abstract

The utility model provides a pipe joint, particularly a pipe joint structure which can quickly and accurately realize pipe connection to convey fluid in a sealed manner. The pipe joint comprises a group of binding male member and binding female member in mutual sleeve joint, and a connection sleeve for fixing the binding state of the binding male member and the binding female member, wherein a first elastic leakage stop ring is arranged on the part of the inner edge of the binding female member in mutual sleeve with the binding male member; the binding female member and the binding male member are in butt joint on the bottom of a sleeve joint travel; and a second elastic leakage stop ring is arranged on the butt joint part. The second elastic leakage stop ring is extruded to generate an elastic support effect on the binding female member, the binding male member and the connection sleeve, the sealing effect on the fluid is enhanced, and the fastening position effect between the connection sleeve and the binding female member is improved.

Description

Pipe joint

Technical field

The utility model relates to the structure technology of pipe joint, and is particularly a kind of for constituting the body linking fast, really, with the pipe joint structure of sealing conveyance fluid.

Background technique

General liquid or the pipeline of gas (such as water pipe, oil pipe, various pressurized gas pipeline or gas pipeline) carried often is subject to the length restriction of body and must be connected by many bodys and forms when assembling; In addition,, often use pipe joint, need especially to be applied to the pipe joint of frequent socket, dismounting, preferably possess the function that can supply quick mounting, disassemble as the connection between the body for adapting to various environment or prolonging pipeline length.

As shown in Figures 1 and 2, be a kind of existing pipe joint structure that can supply quick mounting, disassemble function that possesses, mainly formed by the joint parent part 11 and the joint bull 12 of socket mutually, be arranged with a linking sleeve 13 on the bull 12 in engaging in addition, rely on linking sleeve 13 to fix and engage bull 12 and the jointing state that engages parent part 11; In addition, engage bull 12 with engage parent part 11 radially socket place be provided with a seal ring 14 in addition, leak outside to prevent conveyance fluid.

Above-mentioned existing joint parent part 11 and engage bull 12 and be respectively equipped with a through hole 111,121, and distinctly be provided with for the Fixed Division 112,122 of continuing with body 20 in an end wherein; The other end of this joint parent part 11 in its Fixed Division 112 is provided with an inner sleeve 113, engage bull 12 then the other end in its Fixed Division 122 be provided with a sleeve 123 that stretches into inner sleeve 113 relatively.

These linking sleeve 13 normalities are sheathed on and engage on the bull 12, are provided with the socket that a confession inner sleeve 113 stretches into respect to sleeve 123 1 ends of this joints bull 12; In addition, engage parent part 11 and be provided with projection 114 in sleeve 113 outer rings within it, the socket leading edge of this linking sleeve 13 is provided with the fitting recess 131 that stretches into for projection 114, and fitting recess 131 bottoms are provided with the recess 132 that buckles into for projection 114 leading edges.

Above-mentioned existing pipe joint in use, be that projection 114 alignings that will engage parent part 11 are connected after the fitting recess 131 of sleeve 13, to engage parent part 11 pushes towards being connected sleeve 13 internal direction, the sleeve 123 that engages bull 12 is stretched in the inner sleeve 113 that engages parent part 11 relatively, cooperate again to relatively rotate and engage parent part 11 and be connected sleeve 13, projection 114 leading edges that engage parent part 11 are buckled in the recess 132 that is connected sleeve 13, can constitute the linking that engages parent part 11 and engage bull 12 two ends bodys 20 fast.

As for, this seal ring 14 promptly is sheathed between the sleeve 123 and the inner sleeve 113 that engages parent part 11 that engages bull 12, in order to fill up the gap of sleeve 123 and inner sleeve 113, to constitute the sealing effect of pipeline.

Yet, in the middle of the above-mentioned existing pipe joint structure, only utilize the overhead kick 115 of projection 114 leading edges to force to buckle into recess 132, and collude mutually with the overhead kick 133 of recess 132 ingress and to hold, and then reach the locating effect that restriction engages parent part 11 and the 13 relative counter-rotatings of linking sleeve.So that after through the operation of disassemble or assemble several times, as easy as rolling off a log because the mutual button of two overhead kicks, 115,133 pressures is held and worn and torn, not only lose due locating function, and then influence the joint effect of pipe joint.

In addition, only rely on a seal ring 14 to prevent to leak in the middle of the above-mentioned existing pipe joint structure, make the sealing effect deficiency because of the difference of manufacturing process level most probably, even if engaging bull 12 and engaging parent part 11 and keep under the situation of normal engagement, still might cause escape of liquid, not only influence the conveying usefulness of fluid, therefore the danger that can't expect more likely take place.

Summary of the invention

The purpose of this utility model is to provide a kind of sealing effect of strengthening convection cell, and strengthen to be connected sleeve and to engage parent part and buckle the pipe joint structure of holding locating effect.

For reaching above-mentioned purpose, the utility model pipe joint is to engage bull, joint parent part by one group of mutual socket and out of the ordinary and body Joint, and one be socketed in and engage bull and formed with the sleeve that is connected of fixing its jointing state with joint parent part engagement positio outside, wherein:

This joint parent part one end is provided with an inner sleeve, the corresponding end of this joint bull is provided with a sleeve that stretches into this joint parent part inner sleeve, and be provided with one first elasticity seal ring between the sleeve outer rim of this joint bull and the inner sleeve inner edge that engages parent part, this sleeve that engages bull and this joint parent part inner sleeve for docking shape, and are provided with one second elasticity seal ring at docking location in the socket bottom of travel.

When above-mentioned pipe joint of the present utility model engages, except strengthening the sealing effect of convection cell by the first elasticity seal ring and the second elasticity seal ring, more can dock the reverse resilience strength that extruding produces with inner sleeve because of sleeve by means of the second elasticity seal ring, and then produce the elastic support effect to engaging parent part, engage bull and being connected sleeve, to strengthen being connected sleeve and to engage buckleing of parent part and hold locating effect.

During enforcement, this linking sleeve normality is sheathed on this joint bull, and this linking sleeve is provided with a socket that supplies inner sleeve to stretch into respect to sleeve one end of this joint bull; The inner sleeve outer ring of this joint parent part is provided with a plurality of assembling blocks, and the socket leading edge of this linking sleeve is provided with a plurality of fitting recess that supply assembling block to stretch into, and is provided with the clamping part that enters for assembling block in each fitting recess bottom transverse.In addition, the interior angle turning point of the clamping part of above-mentioned linking sleeve and fitting recess is provided with one in order to this assembling block is constituted the salient point of block effect.

When desiring to carry out the pipe joint joint, be slightly towards being connected the sleeve direction application of force with the joint parent part, this moment is because the second elasticity seal ring is arranged on sleeve and sleeve socket bottom of travel, therefore the rotational engagement parent part be connected sleeve, after making the assembling block that engages parent part stride across salient point fully to enter clamping part, can will engage parent part by means of the reverse resilience strength that the second elasticity seal ring produces because of extruding and fix with the jointing state that engages bull; In this process, cooperate the elastic support of the second elasticity seal ring, can really the assembling block that engages parent part be positioned at the clamping part that is connected sleeve really.

Compared to background technique, pipe joint of the present utility model has been strengthened the sealing effect of convection cell relatively, and strengthen to be connected sleeve and to buckle and hold locating effect with engaging parent part, can increase the reliability of pipe joint relatively, can increase the Applicable scope of pipe joint.

Following foundation technological means of the present utility model, enumerate and be suitable for explanation of mode of execution of the present utility model and conjunction with figs. as back:

Description of drawings

Fig. 1 is the pipe joint surface structure planimetric map of background technique;

Fig. 2 is the pipe joint structure sectional view of background technique;

Fig. 3 is the stereo appearance figure of the utility model most preferred embodiment;

Fig. 4 is the STRUCTURE DECOMPOSITION figure of the utility model most preferred embodiment;

Fig. 5 is socketed on the structure sectional view that engages bull for the linking sleeve normality of the utility model most preferred embodiment;

Fig. 6 is the joint aspect cross-sectional schematic of the utility model most preferred embodiment.

Description of reference numerals:

Background technique: 11-engages parent part; The 111-through hole; The 112-Fixed Division; The 113-inner sleeve; The 114-projection; The 115-overhead kick; 12-engages bull; The 121-through hole; The 122-Fixed Division; The 123-sleeve; 13-is connected sleeve; The 131-fitting recess; The 132-recess; The 133-overhead kick; The 14-seal ring; The 20-body;

The utility model: 30-engages parent part; The 31-through hole; The 32-Fixed Division; The 33-inner sleeve; The 34-assembling block; 40-engages bull; The 41-through hole; The 42-Fixed Division; The 43-sleeve; 50-is connected sleeve; The 51-fitting recess; The 52-clamping part; The 53-salient point; The 60-first elasticity seal ring; The 70-second elasticity seal ring.

Embodiment

See also Fig. 3 to shown in Figure 5, stereo appearance figure for the utility model most preferred embodiment, STRUCTURE DECOMPOSITION figure and linking sleeve normality are socketed on the structure sectional view that engages bull, the pipe joint that discloses among the figure have in order to the joint bull 40 of mutual socket with engage parent part 30, described joint bull 40 constitutes body 20 Joints that are connected with desire respectively with joint parent part 30, other has one to be connected sleeve 50 in order to lock seaming bull 40 and the jointing state that engages parent part 30, wherein, engage bull 40 belled position outer rims and be provided with one first elasticity seal ring 60 with engaging between the parent part 30 belled position inner edges; Engage bull 40 and engage the bottom of parent part 30 and be mated condition, and be provided with one second elasticity seal ring 70 in the docking site at the socket stroke.

The utility model mainly is when pipe joint engages, except strengthening the sealing effect of convection cell by the first elasticity seal ring 60 and the second elasticity seal ring 70, more can engage parent part 30, engage bull 40 and be connected sleeve 50 and produce the elastic support effects, to strengthen being connected sleeve 50 and to engage buckleing of parent part 30 and hold locating effect by 70 pairs of the second elasticity seal rings.

Below further specify the detailed mode of execution of each assembly:

Above-mentioned joint parent part 30 and engage bull 40 and have a through

hole

31,41 that passes through for fluid respectively, and be provided with for the

Fixed Division

32,42 of continuing with body 20 in the wherein end of affiliated through

hole

31,41; This joint parent part 30 is provided with Fixed Division 32 the other ends relatively in its through hole 31 and is provided with an inner sleeve 33; This joint bull 40 is provided with Fixed Division 42 the other ends relatively in its through hole 41 and is provided with a sleeve 43 that stretches into inner sleeve 33 relatively, and sleeve 43 is mated condition with inner sleeve 33 in the bottom of socket stroke.

Above-mentioned linking sleeve 50 normalities are sheathed on this joint bull 40, and its sleeve 43 1 ends with respect to this joint bull 40 are provided with a socket that supplies inner sleeve 33 to stretch into; Inner sleeve 33 outer rings of this joint parent part 30 are provided with a plurality of assembling blocks 34, and the socket leading edge of this linking sleeve 50 is provided with a plurality of fitting recess 51 that supply assembling block 34 to stretch into, and is provided with the clamping part 52 that enters for assembling block 34 in each fitting recess 51 bottom transverse in addition.

Between sleeve 43 outer rims that promptly are sheathed on this joint bull 40 as for, the above-mentioned first elasticity seal ring 60 and inner sleeve 33 inner edges that engage parent part 30; 70 settings of the above-mentioned second elasticity seal ring are sleeve 43 bottoms of this joint bull 40.Since the sleeve 43 that engages bull 40 with engage parent part 30 inner sleeves 33 and be mated condition in the bottom of socket stroke, therefore the second elasticity seal ring 70 is the state of being squeezed and produces reverse resilience strength, and then produce the elastic support effects to engaging parent part 30, engage bull 40 and being connected sleeve 50, and the assembling block that will engage parent part really is positioned at the clamping part of linking sleeve really.

When pipe joint of the present utility model engages, be that assembling block 34 alignings that will engage parent part 30 are connected after the fitting recess 51 of sleeve 50, to engage parent part 30 pushes towards being connected sleeve 50 internal direction, the sleeve 43 that engages bull 40 is stretched in the inner sleeve 33 that engages parent part 30 relatively, cooperate again to relatively rotate and engage parent part 30 and be connected sleeve 50, the assembling block 34 that engages parent part 30 is buckled in the clamping part 52 that is connected sleeve 50, as Fig. 3 and shown in Figure 6, can constitute the linking that engages parent part 30 and engage bull 40 two ends bodys 20 fast.

Especially, can under the effect of the first elasticity seal ring 60 and the second elasticity seal ring 70, strengthen the sealing effect of convection cell, and close parent part 30, engage bull 40 and be connected sleeve 50 by the reverse resilience strength butt joint that the second elasticity seal ring 70 produces because of being squeezed and produce the elastic support effects, strengthen being connected sleeve 50 and engage buckleing of parent part 30 and hold locating effect.

When implementing, the clamping part 52 of last linking sleeve 50 is provided with one in order to assembling block 34 is constituted the salient point 53 of block effect with the interior angle turning point of fitting recess 51, when the integral tube connector engages, be that joint parent part 30 is slightly engaged parent part 30 and is connected sleeve 50 towards being connected the sleeve 50 direction application of forces and relatively rotating, make the assembling block 34 that engages parent part 30 stride across salient point 53 fully and enter clamping part 52.

According to this, not only can fix with the jointing state that engages bull 40 engaging parent part 30 really, and can be under the elastic support of the second elasticity seal ring 70, the assembling block 34 that engages parent part 30 is positioned at really the clamping part 52 that is connected sleeve 50, therefore can significantly increase the sealing effect of convection cell, and strengthen the linking sleeve and buckle the locating effect of holding with engaging parent part, strengthen the reliability of integral tube joint relatively, can increase the Applicable scope of pipe joint.

Shown in the only above implementation and accompanying drawing, be the utility model preferred embodiment, be not to limit to the utility model with this, approximate with structure of the present utility model, device, feature etc. such as or identical mutually person all should belong to of the present utility model founding within purpose and the claim.

Claims

1. pipe joint comprises engaging bull, engaging parent part of one group of mutual socket and out of the ordinary and body Joint, and one be socketed in and engage bull and joint parent part engagement positio outside to fix the sleeve that is connected of its jointing state, it is characterized in that:

This joint parent part one end is provided with an inner sleeve, the corresponding end of this joint bull is provided with a sleeve that stretches into this joint parent part inner sleeve, and the sleeve outer rim of this joint bull is provided with one first elasticity seal ring with engaging between the parent part inner sleeve inner edge, the sleeve of this joint bull engages the parent part inner sleeve and is mated condition in the bottom of socket stroke with this, and is provided with one second elasticity seal ring in the docking site.

2. pipe joint as claimed in claim 1 is characterized in that: this linking sleeve normality is sheathed on this joint bull, and this linking sleeve is provided with a socket that supplies inner sleeve to stretch into respect to sleeve one end of this joint bull; The inner sleeve outer ring of this joint parent part is provided with a plurality of assembling blocks, and the socket leading edge of this linking sleeve is provided with a plurality of fitting recess that supply assembling block to stretch into, and is provided with the clamping part that enters for assembling block in each fitting recess bottom transverse.

3. pipe joint as claimed in claim 2 is characterized in that: the interior angle turning point of the clamping part of this linking sleeve and fitting recess is provided with one in order to this assembling block is constituted the salient point of block effect.