CN208474715U - A kind of pipe joint - Google Patents

Abstract

The utility model relates to a kind of pipe joints, the pipe joint includes upper housing and lower case, upper housing and lower case are oppositely arranged and can be spliced to form the installation space of accommodating pipeline, sealing ring is between upper housing and lower case and is accommodated in installation space, the gap part that disappears to reduce gap is provided between upper housing and lower case, the gap that disappears part is located at the joint of upper housing and lower case and can fit with sealing ring, the setting of such gap part that disappears, can not only fill up sealing ring with it is upper, gap between lower case, so that for a long time using the sealing ring of after-contraction the sealing of pipeline will not be had an impact, it can also fill up, gap between lower case, on so that, assembly between lower case is even closer securely.

Description

A kind of pipe joint

Technical field

The utility model relates to pipe component field more particularly to a kind of pipe joints.

Background technique

Pipe joint is usually used in the piping connection of water route or gas circuit, these pipe components are in use state throughout the year, To the sealing of inside pipe fitting requirement with higher, in assembling process, since sealing element is to be connected together with pipeline, no matter How accurate, this rigid clamping, which is assemblied between pipeline and sealing element, can all generate gap, in this way to close between pipeline Envelope effect can generate extremely deleterious effect, and especially after pipeline uses certain time limit, the sealing element in pipeline is often Phenomena such as aging occur leads to its volume contraction, and the gap between such sealing element and pipeline will become larger, can leak when serious Gas leakage.

Existing pipeline connecting parts such as Patent No. CN201480041826.0, open notification number are CN105431666A Chinese utility model patent " pipe joint and relevant improvement " disclose such a pipe fitting, the pipe joint packet A pair of of shell is included, is provided with sealing ring inside the shell, after pipeline is linked into connector, with screw-driving, it is envisioned that, it is this Assembly method between sealing ring and casing member will necessarily there are gap, especially casing member have radian and turning portion Point, it is impossible to it is fitted closely with sealing ring, such sealing ring will generate weak load-bearing point, generate to the effect of sealing bad It influences, and the fastening means of screw, is pressing together upper and lower two casing members rigidity, junction uneven surface It is whole, the generation in gap is also resulted in, using effect is influenced.

Utility model content

For the current state of the art, the technical problem to be solved by the utility model is to provide a kind of internal voids are small Pipe joint.

Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of pipe joint, including upper housing And lower case, the upper housing and lower case are oppositely arranged and can be spliced to form the installation space of accommodating pipeline, the upper housing Sealing ring is provided between lower case, which is accommodated in installation space, is arranged between the upper housing and lower case There is the gap part that disappears to reduce gap, the gap part that disappears is located at the joint of upper housing and lower case and can be affixed with sealing ring It closes.

To guarantee to disappear, gap part can reduce gap, and the gap part that disappears includes to reduce gap between upper housing and lower case The first gap portion and second to reduce gap between sealing ring and upper housing, lower case that disappears disappears gap portion, and described first disappears gap portion Described second is extended to form into installation space to disappear gap portion.

To guarantee the bonding strength between upper housing and lower case, the upper housing and lower case are extended with side to two sides Side, the side are formed with the flange to increase upper housing and lower case bonding strength to installation space inner bending, and described The one gap portion that disappears is located between the flange of upper housing and the flange of lower case.

In order to guarantee that second disappears gap portion and sealing element can fit closely, the described second gap portion that disappears has to gluing, sealing The perpendicular wall of periphery wall is enclosed, the one side that the perpendicular wall and sealing ring fit is plane.

It will not be made to deform to two sides rigidly to squeeze sealing ring when guaranteeing installation, the described second gap portion that disappears further includes useful The one side that side wall with gluing, sealing circle side and positioned at perpendicular wall two sides, the side wall and sealing ring side fit is plane.

For the connection for guaranteeing upper-lower casing, it is preferable that the two sides of the upper housing and lower case are offered through described The wherein side of the pilot hole of side and the flange, the upper housing and lower case offers through the side and described turns over The connecting hole on side, the second installation of corresponding the first mounting hole for offering adaptation pilot hole and adaptation connecting hole on the gap part that disappears Hole.

For prevent using or installation process in collide with, it is preferable that the head end and tail end of the side and flange are provided with Protection portion, the protection portion are arranged in the edge of side and flange and arc-shaped transition, disappear gap part head end and the tail end The arc-shaped transition of edge.

When for convenient for assembly, it is not necessary to hand-held upper-lower casing, it is preferable that the upper housing and lower case are by passing through the dress The screw of distribution is detachably arranged in together, and the elastic component for facilitating installation is inserted in the connecting hole.

For convenience of the connection of pipeline, it is preferable that be additionally provided on the upper housing and lower case to be adapted to corresponding pipeline The recess portion of flange, the recess portion are symmetricly set on the head end and tail end of the upper housing and lower case.

Compared with the prior art, the advantages of the utility model are: being provided between upper housing and lower case to subtract The gap part that disappears of small―gap suture, which is located at the joint of upper housing and lower case and can fit with sealing ring, such to disappear The setting of gap part can not only fill up the gap between sealing ring and upper and lower casing, so that the after-contraction used for a long time is close Seal will not have an impact the sealing of pipeline, moreover it is possible to the gap between upper and lower casing be filled up, so that between upper and lower casing It assembles even closer secured.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model embodiment；

Fig. 2 is the decomposition texture schematic diagram of Fig. 1；

Fig. 3 is the structural schematic diagram of gap part of disappearing in the utility model embodiment；

Fig. 4 is the overall structure cross-sectional view of the utility model.

Specific embodiment

The utility model is described in further detail below in conjunction with figure embodiment.

As shown in Figure 1 to 4, in the present embodiment, which includes upper housing 1 and lower case 2,1 He of upper housing Lower case 2 is oppositely arranged and can be spliced to form the installation space 3 of accommodating pipeline, sealing ring 4 be located at upper housing 1 and lower case 2 it Between and be accommodated in installation space 3, the gap part 400 that disappears to reduce gap is provided between upper housing 1 and lower case 2, disappear gap Part 400 is located at the joint of upper housing 1 and lower case 2 and can fit with sealing ring 4.

In the present embodiment, the gap that disappears part 400 includes disappearing gap to reduce first of gap between upper housing 1 and lower case 2 Portion 401 and second to reduce gap between sealing ring 4 and upper housing 1, lower case 2 disappears gap portion 402, and first disappears gap portion 401 Second extended to form into installation space 3 disappears gap portion 402.Wherein, upper housing 1 and lower case 2 are extended with side to two sides 100, side 100 is formed with the flange 200 to increase by 2 bonding strength of upper housing 1 and lower case to 3 inner bending of installation space, The first gap portion 401 that disappears is located between the flange 200 of upper housing 1 and the flange 200 of lower case 2.And the second gap portion 402 that disappears has To the perpendicular wall 403 of 4 periphery wall of gluing, sealing circle, perpendicular wall 403 is plane with the one side that sealing ring 4 fits.And second disappears gap Portion 402 further includes the side wall 404 for having to 4 side of gluing, sealing circle and being located at perpendicular 403 two sides of wall, side wall 404 and sealing ring 4 The one side that side fits is plane, and the setting of side wall 404 can not only guarantee that it will not be made by squeezing sealing ring 4 in installation rigidity It is deformed to two sides, while also having filled up the gap between 4 two sides of sealing ring and upper housing 1 and lower case 2, killed two birds with one stone.

In the present embodiment, the two sides of upper housing 1 and lower case 2 offer the assembly through side 100 and flange 200 The wherein side of hole 5, upper housing 1 and lower case 2 offers the connecting hole 6 through side 100 and flange 200, on the gap that disappears part 400 Second mounting hole 406 of corresponding the first mounting hole 405 for offering adaptation pilot hole 5 and adaptation connecting hole 6.In assembly, on Shell 1 and lower case 2 are detachably arranged in together by passing through the screw 8 of pilot hole 5, and pilot hole 5 here can be two A through-hole, that is, being provided on upper housing 1 and lower case 2 is through-hole, and screw 8 passes through upper and lower two through-holes from side, then It is tightened in the other side by nut, realizes the connection of upper housing 1 and lower case 2；Pilot hole 5 is also possible to through-hole and screw hole, i.e., Being provided with upper housing 1 is through-hole, and being provided with is screw hole in lower case 2, and screw 8 contacts after passing through through-hole with screw hole, is passed through The connection of upper housing 1 and lower case 2 is realized after screwing.

The elastic component 9 for facilitating installation is inserted in connecting hole 6, elastic component 9 is rubber strip herein, because of the pipe joint packet Upper housing 1 and lower case 2 are included, therefore in assembling process, generally requires first to fix upper housing 1 or lower case 2, then It is attached taking out corresponding another, the effect of rubber strip 9 herein is to allow upper housing 1 and lower case 2 first before the mounting Simply be assembled together, then install upper housing 1 or lower case 2 one of them when, another can be pullled by rubber strip 9, The other half pipe fitting need not be picked up again from ground or other positions in this way, facilitate the progress of installment work, elastic component 9 is equivalent to The accessory for assisting installation, can choose after installation and stays in connecting hole 6, also can choose and remove it.

The side 100 of the present embodiment and the head end and tail end of flange 200 are provided with protection portion 7, and protection portion 7 is arranged in side The edge of side 100 and flange 200 and arc-shaped transition, the arc-shaped transition of edge of 400 head end of the gap that disappears part and tail end are this The design of structure, it is ensured that construction personnel will not be because of the edge for bumping to pipe fitting during picking and placing disassembly and installation And cause to scratch, it plays a certain protective role.It is additionally provided on upper housing 1 and lower case 2 convex to be adapted to corresponding pipeline The recess portion 300 of edge, recess portion 300 are symmetricly set on the head end and tail end of upper housing 1 and lower case 2, and correspondence opens up on the gap that disappears part 400 There is the groove 407 for being adapted to corresponding line flange.

Claims (9)

1. a kind of pipe joint, including upper housing (1) and lower case (2), the upper housing (1) and lower case (2) are oppositely arranged And it can be spliced to form the installation space (3) of accommodating pipeline, sealing ring is provided between the upper housing (1) and lower case (2) (4), which is accommodated in installation space (3), it is characterised in that: sets between the upper housing (1) and lower case (2) It is equipped with to reduce disappearing gap part (400) for gap, the gap part (400) that disappears is located at the joint of upper housing (1) and lower case (2) And it can fit with sealing ring (4).

2. pipe joint according to claim 1, it is characterised in that: the gap part (400) that disappears includes to reduce upper casing The first of gap disappears gap portion (401) and to reduce sealing ring (4) and upper housing (1), lower casing between body (1) and lower case (2) The second of gap disappears gap portion (402) between body (2), and the described first gap portion (401) that disappears is described to extending to form in installation space (3) Second disappear gap portion (402).

3. pipe joint according to claim 2, it is characterised in that: the upper housing (1) and lower case (2) are to two sides It is extended with side (100), the side (100) is formed with to installation space (3) inner bending to increase upper housing (1) and lower casing The flange (200) of body (2) bonding strength, the described first gap portion (401) that disappears are located at the flange (200) and lower case of upper housing (1) (2) between flange (200).

4. pipe joint according to claim 2, it is characterised in that: described second disappears gap portion (402) with to be bonded The perpendicular wall (403) of sealing ring (4) periphery wall, the perpendicular wall (403) are plane with the one side that sealing ring (4) fit.

5. pipe joint according to claim 4, it is characterised in that: described second disappear gap portion (402) further include have to Gluing, sealing circle (4) side and the side wall (404) for being located at perpendicular wall (403) two sides, the side wall (404) and sealing ring (4) side The one side to fit is plane.

6. pipe joint according to claim 3, it is characterised in that: the two sides of the upper housing (1) and lower case (2) are equal Offer the pilot hole (5) through the side (100) and the flange (200), the upper housing (1) and lower case (2) Wherein side offers the connecting hole (6) through the side (100) and the flange (200), disappear gap part (400) on pair The first mounting hole (405) of adaptation pilot hole (5) should be offered and be adapted to second mounting hole (406) of connecting hole (6).

7. pipe joint according to claim 6, it is characterised in that: the head end of the side (100) and flange (200) and Tail end is provided with protection portion (7), and the protection portion (7) setting is in the edge of side (100) and flange (200) and arc-shaped Transition, the arc-shaped transition of edge of disappear gap part (400) head end and the tail end.

8. pipe joint according to claim 7, it is characterised in that: the upper housing (1) and lower case (2) by across The screw (8) of the pilot hole (5) is detachably arranged in together, is inserted with the elasticity for facilitating installation in the connecting hole (6) Part (9).

9. pipe joint described in any claim according to claim 1~8, it is characterised in that: the upper housing (1) and under The recess portion (300) to be adapted to corresponding line flange is additionally provided on shell (2), the recess portion (300) is symmetricly set on described The head end and tail end of upper housing (1) and lower case (2).