CN219388983U

CN219388983U - Nested PE pipe joint

Info

Publication number: CN219388983U
Application number: CN202320505523.6U
Authority: CN
Inventors: 吴国泉; 马贤林; 马晓磊; 陈志军
Original assignee: Hangzhou Rentong Pipe Industry Co ltd
Current assignee: Hangzhou Rentong Pipe Industry Co ltd
Priority date: 2023-03-16
Filing date: 2023-03-16
Publication date: 2023-07-21
Anticipated expiration: 2033-03-16

Abstract

The utility model discloses a nested PE pipe joint, which belongs to the field of PE pipe joints and comprises a main body, wherein baffles are fixedly arranged at two ends of the main body, nuts are movably arranged at two ends of the main body at the side positions of the baffles, a leakage-proof mechanism is movably arranged at one end of each nut and on each baffle, each leakage-proof mechanism comprises a front sleeve, an inner ring, a silica gel ring, an outer ring, a sealing gasket, a fixing ring, a movable head, a hook and a spring, when a pipe is screwed by the nuts, the fixing ring is synchronously inserted into a fixing groove and fixedly contacted with the sealing gasket, the nuts are sealed at the rear side positions where the nuts are contacted with the main body, meanwhile, the nuts are not easy to loosen by the installation of the hooks and the fixing groove, then the front sleeve is screwed into the nuts, the silica gel pad is inwards extruded and deformed by extrusion, and is in contact with the surface of the pipe in a sealing and fixed manner, so that the front side positions where the nuts are contacted with the pipe are not easy to leak, and the joint is better in tightness and not easy to leak.

Description

Nested PE pipe joint

Technical Field

The utility model relates to the field of PE pipe joints, in particular to a nested PE pipe joint.

Background

The PE pipe is a pipe made of polyethylene plastic, and is connected in a mode of PE pipe joint or hot melting in the process of connecting the small PE pipes; however, when the pipe body is connected in a hot melting mode, the remote construction area is easy to be limited by electricity, so that the electricity is inconvenient to use, and the hot melting connection between the pipe bodies is inconvenient; the existing PE pipe joint is adopted to respectively insert the pipes at the two ends into the bottommost part of the joint pipe, and the nuts are screwed to finish the installation, so that the operation is simple and convenient, but the screw cap is not tight enough in screwing at the front and rear ends due to the influence of manual operation force and fatigue when the front and rear ends of the screw cap are connected with a pipe body during connection, so that leakage and connection unclamping are easy to occur; moreover, the problem of leakage and unsmooth connection can also occur after the sealing elements between the two ends of the joint and the pipe body are subjected to overlarge stress and damaged, so that the utility model provides the nested PE pipe joint.

Disclosure of Invention

The utility model mainly aims to provide a nested PE pipe joint, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a nested PE coupling, includes the main part, the both ends position fixed mounting of main part has the baffle, the both ends of main part are in the side position movable mounting of being located the baffle have the nut, movable mounting has leak protection mechanism on the one end of nut and the baffle, leak protection mechanism includes preceding cover, inner ring, silica gel circle, outer loop, sealed pad, solid fixed ring, activity head, couple and spring, preceding cover movable mounting is in the one end position of nut, inner ring fixed mounting is in preceding cover, outer loop movable mounting is in the side position of inner ring, silica gel circle movable mounting is in the position between inner ring and the outer loop, sealed pad fixed mounting is in the other end position of preceding cover, gu fixed ring fixed mounting is in the side position of baffle, activity head movable mounting is in the baffle, couple fixed mounting is in the side position of activity head, spring movable mounting is in the below position of activity head.

Preferably, a thread is cut on one end surface of the nut, a thread is also cut on the inner wall of the front sleeve, and the front sleeve is movably installed with the nut through the thread.

Preferably, the leakage-proof mechanism further comprises an inner ring, the inner ring is fixedly arranged in the front sleeve, the inner ring is fixedly arranged at the inner side of the inner ring, and the two sides of the silica gel ring are respectively and fixedly connected with the inner ring and the outer ring.

Preferably, the leakage-proof mechanism further comprises a sealing groove, the sealing groove is fixedly arranged at the other end of the front sleeve, the sealing gasket is movably arranged in the sealing groove, and the fixing ring is movably arranged with the sealing gasket.

Preferably, the leakage-proof mechanism further comprises a first through groove, the first through groove is fixedly formed in the baffle, the movable head and the spring are movably mounted in the first through groove, the spring is located at the lower position of the movable head, and the upper end position of the movable head extends out of the outer position of the first through groove.

Preferably, the leakage-proof mechanism further comprises a second through groove and a fixed groove, the second through groove is fixedly arranged at the side surface of the baffle and extends to the outer side of the fixed ring, the hook is movably arranged in the second through groove, a plurality of fixed grooves are fixedly arranged on the inner wall of the sealing groove, and the outer end of the hook is movably arranged with the fixed grooves.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, through the arranged leakage-proof mechanism, when the pipe is screwed by the nut, the fixed ring is synchronously inserted into the fixed groove and fixedly contacted with the sealing gasket, the rear side position of the nut contacted with the main body is sealed, meanwhile, through the installation of the hook and the fixed groove, the nut is not easy to loosen, then the front sleeve is screwed onto the nut, the silica gel pad is inwards extruded and deformed by extrusion, and is contacted with the surface of the pipe in a fitting way, and the sealing is fixed, so that the front side position of the nut contacted with the pipe is not easy to leak, the sealing performance of the joint structure is better, and leakage is not easy to occur.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the nut of the present utility model;

FIG. 3 is an enlarged view of FIG. 1 at A;

fig. 4 is a schematic view of the structure of the movable head and the hook of the present utility model.

In the figure: 1. a main body; 2. a screw cap; 3. a baffle; 4. a leakage prevention mechanism; 401. a front sleeve; 402. an inner ring; 403. an inner ring; 404. a silica gel ring; 405. an outer ring; 406. sealing grooves; 407. a sealing gasket; 408. a fixing groove; 409. a fixing ring; 410. a first through groove; 411. a second through groove; 412. a movable head; 413. a hook; 414. and (3) a spring.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1 to 4, a nested PE pipe joint includes a main body 1, two ends of the main body 1 are fixedly provided with a baffle plate 3, two ends of the main body 1 are movably provided with a nut 2 at a side surface position of the baffle plate 3, one end of the nut 2 and the baffle plate 3 are movably provided with a leakage preventing mechanism 4, the leakage preventing mechanism 4 includes a front sleeve 401, an inner ring 403, a silica gel ring 404, an outer ring 405, a sealing gasket 407, a fixed ring 409, a movable head 412, a hook 413 and a spring 414, the front sleeve 401 is movably provided at a side surface position of the nut 2, the inner ring 403 is fixedly provided in the front sleeve 401, the outer ring 405 is movably provided at a side surface position of the inner ring 403, the silica gel ring 404 is movably provided at a position between the inner ring 403 and the outer ring 405, the sealing gasket 407 is fixedly provided at the other end position of the front sleeve 401, the fixed ring 409 is fixedly provided at a side surface of the baffle plate 3, one end surface of the nut 2 is threaded, the inner wall of the front sleeve 401 is also threaded, the front sleeve 401 is movably arranged with the screw cap 2 through threads, the leakage prevention mechanism 4 also comprises an inner ring 402, the inner ring 402 is fixedly arranged in the front sleeve 401, the inner ring 403 is fixedly arranged at the inner side position of the inner ring 402, the two side positions of the silica gel ring 404 are respectively fixedly connected with the inner ring 403 and the outer ring 405, the leakage prevention mechanism 4 also comprises a sealing groove 406, the sealing groove 406 is fixedly arranged at the other end position of the front sleeve 401, the sealing gasket 407 is movably arranged in the sealing groove 406, the fixing ring 409 and the sealing gasket 407 are movably arranged, when the screw cap 2 is gradually approaching to the baffle 3, the fixing ring 409 synchronously moves into the sealing groove 406, and the back side positions between the screw cap 2 and the main body 1 are mutually sealed through mutual extrusion of the fixing ring 409, so as to avoid leakage at the position, the front sleeve 401 moves on the surface of the screw cap 2 through threads, when the outer ring 405 contacts with the port of the screw cap 2, the silicone ring 404 is pressed, and the silicone ring 404 is extruded inwards so as to be in contact with the surface of the pipe material to form a seal.

The movable head 412 is movably arranged in the baffle 3, the hook 413 is fixedly arranged at the side surface of the movable head 412, the spring 414 is movably arranged at the lower position of the movable head 412, the leakage-proof mechanism 4 further comprises a first through groove 410, the first through groove 410 is fixedly arranged on the baffle 3, the movable head 412 and the spring 414 are movably arranged in the first through groove 410, the spring 414 is arranged at the lower position of the movable head 412, the upper end position of the movable head 412 extends out of the outer position of the first through groove 410, the leakage-proof mechanism 4 further comprises a second through groove 411 and a fixed groove 408, the second through groove 411 is fixedly arranged at the side surface of the baffle 3 and extends to the outer position of the fixed ring 409, the hook 413 is movably arranged in the second through groove 411, a plurality of fixed grooves 408 are fixedly arranged on the inner wall of the sealing groove 406, the outer end of the hook 413 is movably arranged with the fixed groove 408, after the nut 2 rotates to a proper position, the movable head 412 is loosened, the springs 414 push the movable head 412 and 413 to move upwards, the hooks 413 move upwards into the fixed grooves 408, and the nut 2 are fixed.

It should be noted that, the present utility model is a nested PE pipe joint, after loosening the nut 2, inserting the pipe into the two side positions of the main body 1, then reversely rotating the nut 2, so that the nut 2 is gradually screwed on the two side positions of the main body 1, fixing the pipe, when the nut 2 rotates, the movable head 412 is pressed downward, so that the movable head 412 is pressed downward to compress the spring 414, and the hook 413 is moved downward, when the nut 2 is gradually approaching the baffle 3, the fixing ring 409 is gradually moved into the seal groove 406, and the fixing ring 409 and the seal pad 407 are mutually pressed, so that the rear side positions between the nut 2 and the main body 1 are mutually sealed, so as to avoid leakage at this point, when the nut 2 rotates to a proper position, the movable head 412 is loosened, so that the spring 414 pushes the movable head 412 and the hook 413 upward, so that the hook 413 is moved upward into the fixing groove 408, so that the nut 2 is fixed, and is not easy to loosen, then the front sleeve 401 is moved rotationally in the direction of the main body 1, and the front sleeve 401 is moved by moving the surface of the nut 2, when the nut 405 is moved, and the front sleeve 401 is pressed against the inner wall 404, so that the inner wall 404 of the nut 2 is easily contacts with the inner wall 404, and the front side 404 is not pressed against the inner wall 404, so that the inner wall 404 is mutually pressed against each other, and the inner wall 404 is easily pressed against each other.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. The present utility model has been described in detail with particular reference to preferred embodiments thereof, but it should not be understood by those skilled in the art that the utility model is not limited thereto, but is capable of numerous changes, modifications, substitutions and alterations herein without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a nested PE coupling, includes main part (1), the both ends position fixed mounting of main part (1) has baffle (3), the both ends of main part (1) are being located the side position movable mounting of baffle (3) and have nut (2), its characterized in that: the anti-leakage mechanism is movably mounted on one end of the nut (2) and the baffle plate (3), the anti-leakage mechanism (4) comprises a front sleeve (401), an inner ring (403), a silica gel ring (404), an outer ring (405), a sealing gasket (407), a fixed ring (409), a movable head (412), a hook (413) and a spring (414), the front sleeve (401) is movably mounted at one end position of the nut (2), the inner ring (403) is fixedly mounted in the front sleeve (401), the outer ring (405) is movably mounted at the side position of the inner ring (403), the silica gel ring (404) is movably mounted at the position between the inner ring (403) and the outer ring (405), the sealing gasket (407) is fixedly mounted at the other end position of the front sleeve (401), the fixed ring (409) is fixedly mounted at the side position of the baffle plate (3), the movable head (412) is movably mounted in the baffle plate (3), the hook (413) is fixedly mounted at the side position of the movable head (412), and the spring (414) is movably mounted at the lower position of the movable head (412).

2. A nested PE pipe joint according to claim 1, characterized in that: the screw cap is characterized in that threads are cut on one end surface of the screw cap (2), threads are cut on the inner wall of the front sleeve (401) too, and the front sleeve (401) is movably mounted with the screw cap (2) through the threads.

3. A nested PE pipe joint according to claim 2, characterized in that: the anti-leakage mechanism (4) further comprises an inner ring (402), the inner ring (402) is fixedly arranged in the front sleeve (401), the inner ring (403) is fixedly arranged at the inner side of the inner ring (402), and the two sides of the silica gel ring (404) are respectively fixedly connected with the inner ring (403) and the outer ring (405).

4. A nested PE pipe joint according to claim 3, characterized in that: the leakage-proof mechanism (4) further comprises a sealing groove (406), the sealing groove (406) is fixedly arranged at the other end of the front sleeve (401), the sealing gasket (407) is movably arranged in the sealing groove (406), and the fixing ring (409) and the sealing gasket (407) are movably arranged.

5. The nested PE pipe joint of claim 4 wherein: the leakage prevention mechanism (4) further comprises a first through groove (410), the first through groove (410) is fixedly formed in the baffle (3), the movable head (412) and the spring (414) are movably mounted in the first through groove (410), the spring (414) is located at the lower position of the movable head (412), and the upper end position of the movable head (412) extends out of the outer position of the first through groove (410).

6. The nested PE pipe joint of claim 5 wherein: the leakage prevention mechanism (4) further comprises a second through groove (411) and a fixed groove (408), the second through groove (411) is fixedly arranged at the side surface of the baffle (3) and extends to the outer side of the fixed ring (409), the hook (413) is movably arranged in the second through groove (411), a plurality of fixed grooves (408) are fixedly arranged on the inner wall of the sealing groove (406), and the outer end of the hook (413) is movably arranged with the fixed grooves (408).