CN212273377U

CN212273377U - PVC pipe joint

Info

Publication number: CN212273377U
Application number: CN201922419451.XU
Authority: CN
Inventors: 张君强
Original assignee: Individual
Current assignee: Xianyang Zhongchao Plastic Technology Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2021-01-01
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a PVC pipe joint, the structure of which comprises a connecting pipe, a water inlet connecting pipe, a nut, a sealing rotating block and a threaded connecting block, when connecting the water pipe, the water pipe is matched with the threaded block on the water inlet connecting pipe and is matched with a rotating ball on an air pushing ring block at the same time, the air pushing ring block is driven to horizontally move rightwards, thereby pushing gas to the air pushing block through an air vent pipeline, the inner groove of the air pushing block is extruded by the gas, the expansion ring belt is continuously extruded to generate expansion deformation, when the air pushing ring block is pushed to the top end, the expansion ring belt can be completely unfolded and is attached to the threaded connecting seam, the sealing performance of the pipe joint connecting pipeline is effectively enhanced by sealing, the water is prevented from permeating through the seam on the thread under the condition that the thread on the pipe is loosened due to long-term use abrasion, the tightness of the equipment is affected.

Description

PVC pipe joint

Technical Field

The utility model relates to a PVC coupling belongs to PVC coupling technical field.

Background

PVC, the main component is polyvinyl chloride, and a material for enhancing the heat resistance, toughness and ductility of the PVC by adding other components, the uppermost layer of the surface film is paint, the main component in the middle is polyvinyl chloride, and the lowermost layer is back-coated adhesive.

The prior art discloses the application numbers as follows: CN 201720127325.5's a PVC coupling, by the upper junction plate, the lower junction plate is constituteed, the upper junction plate, the lower junction plate is the cross section semicircular arc, the upper junction plate, all be equipped with unsmooth draw-in groove on the straight edge of lower junction plate, the upper junction plate, the unsmooth draw-in groove cooperation butt joint of lower junction plate becomes a drum, but this prior art PVC coupling is when carrying out connecting tube, often connect through threaded connection's mode, this method is when the wearing and tearing are not hard up appearing in the long-term use of screw thread, its water easily flows through threaded connection seam department, thereby cause the influence to the leakproofness of coupling.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a PVC coupling to solve prior art PVC coupling and when carrying out connecting tube, often connect through threaded connection's mode, this method is when the screw thread is used for a long time and wearing and tearing are not hard up, and its water easily flows through threaded connection seam department, thereby causes the problem of influence to the seal of coupling.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a PVC coupling, its structure includes the connection pipe, the connecting pipe of intaking, nut, sealed commentaries on classics piece, threaded connection piece, the left end of connection pipe welds mutually with the right-hand member of nut, the connecting pipe of intaking is integrated structure with the nut, the right-hand member of sealed commentaries on classics piece welds mutually with threaded connection piece's left end.

Furthermore, the water inlet connecting pipe consists of a threaded block, an inlet, a telescopic ring band, a shell, a rotating ball, an air pushing ring block, a connecting spring, an air vent pipeline and an air receiving pushing block, the threaded block and the shell are of an integrated structure, the inlet is positioned in the middle of the threaded block, the air pushing ring block is horizontally embedded in the shell, the top end of the air vent pipeline and the bottom end of the air receiving pushing block are of an integrated structure, the connecting spring is positioned on the left side of the air vent pipeline, the inlet is arranged on the left end of the shell, the telescopic ring band and the air receiving pushing block are of an integrated structure, the rotating ball is embedded and installed in the middle of the left end of the air pushing ring block, the right end of the air pushing ring block is welded with the left end of the connecting spring, the air vent pipeline and the shell are of an integrated structure, the bottom end of the air receiving pushing block is welded with the bottom end inside the shell, and the, the shell and the nut are of an integrated structure.

Furthermore, the right end of the connecting pipe is welded with the left end of the sealing rotary block.

Further, the inlet is located to the left of the nut.

Further, the rotating ball is of a spherical structure.

Furthermore, the telescopic ring belt is made of rubber materials and has good flexibility.

Advantageous effects

The utility model relates to a PVC pipe joint, structurally, a water pipe is embedded and installed on a water inlet connecting pipe, a threaded connecting block is connected with a drainage device, the PVC pipe joint can be put into use, when the water pipe is connected, the water pipe is matched with a threaded block on the water inlet connecting pipe and is matched with a rotating ball on an air pushing ring block at the same time, the air pushing ring block is driven to horizontally move rightwards, so that gas is pushed to the air receiving pushing block through an air duct, the inner groove of the air receiving pushing block is extruded by the gas, the telescopic girdle is continuously extruded to generate expansion deformation, when the air pushing ring block is pushed to the top end, the telescopic girdle can be completely unfolded and is attached to a threaded connection seam, the sealing performance of the PVC pipe joint when the PVC pipe joint is sealed, the sealing performance of the PVC pipe joint when the PVC pipe joint is effectively enhanced, and water is prevented from permeating out through the seam on the thread under the, the tightness of the equipment is affected.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of a PVC pipe joint according to the present invention;

FIG. 2 is a schematic cross-sectional detailed structure diagram of the front view of the water inlet connection pipe of the present invention;

fig. 3 is a schematic cross-sectional detailed structure diagram when the water inlet connection pipe of the present invention is operated in a front view.

In the figure: the device comprises an engagement pipe-1, a water inlet connecting pipe-2, a nut-3, a sealing rotating block-4, a threaded connecting block-5, a threaded block-21, an inlet-22, a telescopic annular belt-23, a shell-24, a rotating ball-25, an air pushing annular block-26, an engagement spring-27, an air vent pipeline-28 and an air receiving pushing block-29.

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.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a PVC pipe joint technical solution: the structure of the device comprises a linking pipe 1, a water inlet connecting pipe 2, a nut 3, a sealing rotating block 4 and a threaded connecting block 5, wherein the left end of the linking pipe 1 is welded with the right end of the nut 3, the water inlet connecting pipe 2 and the nut 3 are of an integrated structure, the right end of the sealing rotating block 4 is welded with the left end of the threaded connecting block 5, the water inlet connecting pipe 2 is of an integrated structure consisting of a thread block 21, an inlet 22, a telescopic ring belt 23, a shell 24, a rotating ball 25, a gas pushing ring block 26, a linking spring 27, a vent pipe 28 and a gas receiving pushing block 29, the thread block 21 and the shell 24 are of an integrated structure, the inlet 22 is positioned in the middle of the thread block 21, the gas pushing ring block 26 is horizontally embedded in the shell 24, the top end of the vent pipe 28 and the bottom of the gas receiving pushing block 29 are of an integrated structure, the linking spring 27 is positioned at the left side of the vent pipe 28, the utility model discloses a pneumatic cushion pump, including flexible clitellum 23, air-pushed block 29, breather pipe 28 and shell 24, the bottom of air-pushed block 29 is welded with the inside bottom of shell 24, the ball 25 is located the left side below of air-pushed block 29, shell 24 and nut 3 are integrated structure, the right-hand member of adapter pipe 1 welds with the left end of sealed rotor 4, import 22 is located the left of nut 3, ball 25 is the spheroid structure, flexible clitellum 23 is made by the rubber material, has better elasticity, the right-hand member middle part of air-pushed block 26 is installed in the embedding of ball 25, the right-hand member of air-pushed block 26 welds with the left end that links up spring 27, breather pipe 28 and shell 24 are integrated structure, the bottom of air-pushed block 29 welds mutually with the inside bottom of shell 24, the ball 25 is.

When the water pipe is connected, the water pipe is matched with the thread block 21 on the water inlet connecting pipe 2 and is matched with the rotating ball 25 on the air pushing ring block 26 to drive the air pushing ring block 26 to horizontally move rightwards, so that air is pushed to the air receiving pushing block 29 through the air vent pipe 28, the inner groove of the air receiving pushing block 29 is extruded by the air, the telescopic ring belt 23 is continuously extruded and is subjected to expansion deformation, and when the air pushing ring block 26 is pushed to the top end, the telescopic ring belt 23 can be completely unfolded and is attached to the threaded connection seam to seal the threaded connection seam.

The utility model solves the problem that when the PVC pipe joint in the prior art is connected with a pipeline, the connection is usually carried out by a threaded connection mode, and when the thread is worn and loosened after long-term use, the water of the PVC pipe joint easily flows out through the threaded connection seam, thereby affecting the tightness of the pipe joint, the utility model structurally installs the water pipe on the water inlet connecting pipe 2 by embedding the water pipe through the mutual combination of the components, the threaded connecting block 5 is connected with the drainage equipment, and can be put into use, when the water pipe is connected, the water pipe is matched with the threaded block 21 on the water inlet connecting pipe 2, and is matched with the rotating ball 25 on the air pushing ring block 26, so as to drive the air pushing ring block 26 to horizontally move rightwards, thereby pushing gas to the air receiving pushing block 29 through the air vent pipe 28, and leading the inner groove of the air receiving pushing block 29 to be extruded by the gas, the expansion ring belt 23 is continuously extruded to generate expansion deformation, when the gas pushing ring block 26 pushes the top end, the expansion ring belt 23 can be completely unfolded and is attached to the threaded connection seam, the sealing performance of the pipe joint connecting pipeline is effectively enhanced by sealing the expansion ring belt, and the problem that water permeates out through a gap on the thread to influence the sealing performance of equipment due to the fact that the thread on the expansion ring belt is not loosened due to long-term use of abrasion is avoided.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A PVC coupling, its characterized in that: its structure includes linking pipe (1), connecting pipe (2), nut (3) of intaking, sealed commentaries on classics piece (4), threaded connection piece (5), the left end of linking pipe (1) welds mutually with the right-hand member of nut (3), connecting pipe (2) and nut (3) as an organic whole structure of intaking, the right-hand member of sealed commentaries on classics piece (4) welds with the left end of threaded connection piece (5).

2. The PVC pipe joint according to claim 1, wherein: the water inlet connecting pipe (2) is composed of a threaded block (21), an inlet (22), a telescopic ring belt (23), a shell (24), a rotating ball (25), an air pushing ring block (26), a linking spring (27), an air duct (28) and an air receiving pushing block (29), the threaded block (21) and the shell (24) are of an integrated structure, the inlet (22) is located in the middle of the threaded block (21), the air pushing ring block (26) is horizontally embedded into the shell (24), the top end of the air duct (28) and the bottom end of the air receiving pushing block (29) are of an integrated structure, the linking spring (27) is located on the left side of the air duct (28), the inlet (22) is arranged on the left end of the shell (24), the telescopic ring belt (23) and the air receiving pushing block (29) are of an integrated structure, the rotating ball (25) is embedded and installed in the middle of the left end of the air pushing ring block (26), the right end of the air pushing ring block (26) is welded with the left end of the connecting spring (27), the air duct (28) and the shell (24) are of an integrated structure, the bottom end of the air receiving pushing block (29) is welded with the bottom end of the interior of the shell (24), the rotating ball (25) is located on the lower left side of the air receiving pushing block (29), and the shell (24) and the nut (3) are of an integrated structure.

3. The PVC pipe joint according to claim 1, wherein: the right end of the connecting pipe (1) is welded with the left end of the sealing rotating block (4).

4. The PVC pipe joint according to claim 1, wherein: the threaded connecting block (5) is positioned on the right side of the connecting pipe (1).

5. The PVC pipe joint according to claim 1, wherein: the inlet (22) is located to the left of the nut (3).