CN217177848U

CN217177848U - PVC union coupling head with seal structure

Info

Publication number: CN217177848U
Application number: CN202221187399.5U
Authority: CN
Inventors: 韩璐; 杨铭钢; 骆李磊
Original assignee: Hangzhou Taide Electromechanical Co ltd
Current assignee: Hangzhou Taide Electromechanical Co ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-08-12
Anticipated expiration: 2032-05-18

Abstract

The utility model discloses a PVC union coupling head with seal structure, including connecting the main part, the tip that connects the main part is provided with the adapter sleeve, the tip that connects the main part is provided with first sealed the pad, and the end connection who connects the main part has fastening structure, fastening structure includes that screwed joint and second are sealed to fill up, the last external screw thread that is provided with of screwed joint, and screwed joint are connected with the adapter sleeve, the sealed pad of second sets up in screwed joint's inside. A PVC union coupling head with seal structure, belong to PVC pipe technical field, through the first sealed pad that sets up, the sealed pad use of second in the cooperation fastening structure, can guarantee the leakproofness behind the PVC union coupling, joint department can not the seepage when guaranteeing the PVC pipe use, set up clamping sleeve, shrink ring isotructure in the fastening structure, can guarantee to have good linkage effect between fastening structure and the PVC pipe, guarantee the stability behind the PVC union coupling, simple structure, the result of use is excellent.

Description

PVC union coupling head with seal structure

Technical Field

The utility model relates to a PVC manages technical field, in particular to PVC union coupling head with seal structure.

Background

PVC pipes (including PVC-U pipes, PVC-M pipes and PVC-O pipes) are made of PVC resin, stabilizer and lubricant through hot pressing and extrusion, and are the plastic pipes developed and applied at the earliest. The PVC pipe has better tensile strength and compressive strength, small fluid resistance, and excellent corrosion resistance and chemical resistance. The PVC pipe connector is a connector for connecting PVC pipes and mainly comprises a connector main body and a rotary fastening part. Among the current PVC coupling structure, simple structures such as utilizing swivel sleeve connect fixedly, and the stability in use is general after connecting, and is difficult for becoming flexible to sealed effect is general, uses easy seepage, uses to have certain limitation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a PVC union coupling head with seal structure, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a PVC union coupling head with seal structure, includes and connects the main part, the tip that connects the main part is provided with the adapter sleeve, the tip that connects the main part is provided with first sealed the pad, and the end connection who connects the main part has fastening structure, fastening structure includes that screwed joint and second are sealed fills up, the screwed joint is last to be provided with the external screw thread, and screwed joint is connected with the adapter sleeve, the sealed pad setting of second is in screwed joint's inside.

Preferably, the joint main body is fixedly provided with annular bulges at two ends, the annular bulges and the joint main body are integrally formed, and the joint main body is provided with a through hole in a penetrating manner.

Preferably, the connecting sleeve is sleeved on the joint main body and symmetrically arranged on the joint main body, the first sealing gasket is in contact with the annular protrusion, and the connecting sleeve is provided with an internal thread.

Preferably, the fastening structure further comprises a propping protrusion, a clamping sleeve, a contraction opening and a contraction ring, wherein the external thread on the threaded joint is in threaded connection with the internal thread of the connecting sleeve, a groove is formed in the threaded joint, and the second sealing gasket is arranged in the groove on the threaded joint.

Preferably, the abutting protrusions are fixedly arranged at the end parts of the threaded joints, the clamping sleeve is fixedly connected with the abutting protrusions, the contraction ports are formed in the clamping sleeve, the contraction ports are distributed on the clamping sleeve in an annular array, and the contraction rings are connected to the clamping sleeve.

Preferably, the clamping sleeve is provided with an adjusting thread, and the contraction ring is in threaded connection with the clamping sleeve.

Compared with the prior art, the utility model discloses following beneficial effect has: this PVC union coupling head with seal structure, through the first sealed pad that sets up, the sealed pad use of second in the cooperation fastening structure, can guarantee the leakproofness behind the PVC union coupling, joint department can not the seepage when guaranteeing the PVC pipe use, sets up clamping sleeve, shrink ring isotructure in the fastening structure, can guarantee to have good linkage effect between fastening structure and the PVC pipe, guarantees the stability behind the PVC union coupling, simple structure, excellent in use effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the fastening structure of the present invention after being disassembled;

fig. 3 is a schematic structural view of the joint body of the present invention;

fig. 4 is a schematic structural view of the fastening structure of the present invention.

In the figure: 1. a connector body; 2. connecting sleeves; 3. a first seal gasket; 4. a fastening structure; 401. a threaded joint; 402. tightly abutting the bulge; 403. a second gasket; 404. a clamping sleeve; 405. a constriction; 406. a shrink ring; 5. a through hole; 6. an annular protrusion.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Example one

As shown in fig. 1-4, a PVC pipe connector with a sealing structure, including a connector main body 1, a connecting sleeve 2 is disposed at an end of the connector main body 1, a first sealing gasket 3 is disposed at an end of the connector main body 1, and the end of the connector main body 1 is connected with a fastening structure 4, annular protrusions 6 are fixedly mounted at two ends of the connector main body 1, and the annular protrusions 6 and the connector main body 1 are integrally formed, a through hole 5 is formed in the connector main body 1 in a penetrating manner, the connecting sleeve 2 is sleeved on the connector main body 1, and the connecting sleeve 2 is symmetrically disposed on the connector main body 1, the first sealing gasket 3 contacts with the annular protrusions 6, and an internal thread is disposed on the connecting sleeve 2.

Through the above embodiment, the fastening structure 4 includes the threaded joint 401 and the second sealing gasket 403, the threaded joint 401 is provided with an external thread, and the threaded joint 401 is connected with the connecting sleeve 2, the second sealing gasket 403 is disposed inside the threaded joint 401, the fastening structure 4 further includes the abutting protrusion 402, the clamping sleeve 404, the contraction port 405 and the contraction ring 406, the external thread on the threaded joint 401 is in threaded connection with the internal thread of the connecting sleeve 2, and the threaded joint 401 is provided with a groove, the second sealing gasket 403 is disposed in the groove on the threaded joint 401, the abutting protrusion 402 is fixedly mounted at the end position of the threaded joint 401, the clamping sleeve 404 is fixedly connected with the abutting protrusion 402, the contraction port 405 is disposed on the clamping sleeve 404, and the contraction ports 405 are distributed on the clamping sleeve 404 in an annular array, the contraction ring 406 is connected to the clamping sleeve 404, the clamping sleeve 404 is provided with an adjusting thread, threaded connection between shrink ring 406 and the chucking cover 404, through the first sealed pad 3 that sets up, the sealed pad 403 that is coordinating in fastening structure 4 uses, can guarantee the leakproofness behind the PVC union coupling, joint department can not the seepage when guaranteeing the PVC pipe use, set up chucking cover 404 in fastening structure 4, shrink ring 406 isotructure, can guarantee to have good linkage effect between fastening structure 4 and the PVC pipe, guarantee the stability behind the PVC union coupling, moreover, the steam generator is simple in structure, excellent in use effect.

It should be noted that, the utility model relates to a PVC pipe connector with a sealing structure, when in use, the first sealing gasket 3 is sleeved on the connector main body 1, so that the first sealing gasket 3 is close to the annular protrusion 6 at the end of the connector main body 1, then the fastening structure 4 is sleeved on the end of the PVC pipe, the fastening structure 4 is moved to a certain position, at this time, the fastening structure 4 can move on the PVC pipe, the worker rotates the shrink ring 406 in the fastening structure 4, the shrink ring 406 rotates on the clamping sleeve 404 and moves towards the direction far away from the abutting protrusion 402, in this process, because the clamping sleeve 404 is a conical structure, and under the cooperation of the shrink mouth 405, the shrink ring 406 can make the clamping sleeve 404 and the PVC pipe tightly connected, so as to ensure the fixed connection between the whole fastening structure 4 and the PVC pipe, after the fastening structure 4 and the PVC pipe are fixed together, inserting the end of a PVC pipe into a through hole 5 on a joint main body 1 to enable the PVC pipe to be inserted into a certain length, then contacting a threaded joint 401 in a fastening structure 4 with a connecting sleeve 2 on the joint main body 1, rotating the connecting sleeve 2, connecting the internal thread on the connecting sleeve 2 with the threaded joint 401 in a threaded manner, rotating the connecting sleeve 2 on the threaded joint 401 and moving the connecting sleeve 2 towards the direction of a resisting bulge 402 until the end of the connecting sleeve 2 contacts the resisting bulge 402, at the moment, tightly contacting the end of the threaded joint 401 with a first sealing gasket 3, and simultaneously, contacting the end of the joint main body 1 with a second sealing gasket 403 inside the threaded joint 401, thus completing the connection work of the current PVC pipe, and a worker can perform the connection work of another PVC pipe according to the process, further realizing the connection of two PVC pipes, and starting to use normally after the PVC pipes are connected, in the use, because first sealed pad 3, the sealed effect of 403 that fills up of second, there is good sealed effect between PVC pipe and the joint, can guarantee the leakproofness, the normal use of PVC pipe has been ensured, fastening structure 4 guarantees the steadiness behind the PVC union coupling simultaneously, can prevent not hard up of PVC pipe, the connection result of use of PVC pipe has further been ensured, moreover, the steam generator is simple in structure, excellent in use effect, through the first sealed pad 3 that sets up, the sealed pad 403 that fills up in the cooperation fastening structure 4 of second uses, can guarantee the leakproofness behind the PVC union coupling, joint department can not the seepage when guaranteeing the PVC pipe use, set up chucking cover 404 in fastening structure 4, shrink ring 406 isotructure, can guarantee to have good bandeau between fastening structure 4 and the PVC pipe, guarantee the stability behind the PVC union coupling, moreover, the steam generator is simple in structure, excellent in use effect.

The foregoing has described the principles of use, features and advantages of the present invention. The above embodiments and the description describe the basic principles and features of the present invention, and the present invention can be modified in various ways according to the principles of the present invention, and all such modifications are intended to fall within the scope of the present invention as claimed.

Claims

1. The utility model provides a PVC union coupling head with seal structure, includes and connects main part (1), the tip that connects main part (1) is provided with adapter sleeve (2), its characterized in that: the end of joint main part (1) is provided with first sealed pad (3), and the end connection who connects main part (1) has fastening structure (4), fastening structure (4) are including the sealed pad (403) of screwed joint (401) and second, be provided with the external screw thread on screwed joint (401), and screwed joint (401) are connected with adapter sleeve (2), the sealed pad (403) of second sets up in the inside of screwed joint (401).

2. A PVC pipe coupling with sealing structure according to claim 1, wherein: the joint is characterized in that annular bulges (6) are fixedly arranged at two ends of the joint main body (1), the annular bulges (6) are integrally formed with the joint main body (1), and through holes (5) are formed in the joint main body (1) in a penetrating mode.

3. A PVC pipe coupling with sealing structure according to claim 2, wherein: the connecting sleeve (2) is sleeved on the joint main body (1), the connecting sleeve (2) is symmetrically arranged on the joint main body (1), the first sealing gasket (3) is in contact with the annular protrusion (6), and an internal thread is arranged on the connecting sleeve (2).

4. A PVC pipe joint having a sealing structure according to claim 3, wherein: fastening structure (4) still including support tight arch (402), chucking cover (404), shrink mouth (405) and shrink ring (406), threaded connection between the internal thread of external screw thread on screwed joint (401) and adapter sleeve (2), and seted up flutedly on screwed joint (401), second sealed pad (403) set up in the recess on screwed joint (401).

5. A PVC pipe connector with sealing structure according to claim 4, characterized in that: the abutting protrusion (402) is fixedly arranged at the end part of the threaded connector (401), the clamping sleeve (404) is fixedly connected with the abutting protrusion (402), the contraction openings (405) are formed in the clamping sleeve (404), the contraction openings (405) are distributed on the clamping sleeve (404) in an annular array, and the contraction rings (406) are connected to the clamping sleeve (404).

6. A PVC pipe connector with sealing structure according to claim 5, characterized in that: the clamping sleeve (404) is provided with an adjusting thread, and the contraction ring (406) is in threaded connection with the clamping sleeve (404).