CN216045977U

CN216045977U - Pipe valve joint structure with high sealing performance

Info

Publication number: CN216045977U
Application number: CN202121030889.XU
Authority: CN
Inventors: 陆宇峰; 陆林
Original assignee: Yangzhong Zhongcheng Pipeline Fittings Co ltd
Current assignee: Yangzhong Zhongcheng Pipeline Fittings Co ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2022-03-15
Anticipated expiration: 2031-05-14

Abstract

The utility model discloses a high-sealing pipe valve joint structure which comprises a pipe valve joint seat, wherein a connecting pipe is screwed in the pipe valve joint seat, a sealing joint is fixed on the surface of the connecting pipe through a bolt during installation, the sealing joint extrudes towards the surface of the pipe valve joint seat, an elastic sealing sleeve extrudes on the inner wall of a sealing clamping groove to form primary sealing, a sealing pressure plate is extruded on the surface of the pipe valve joint seat under the elastic action of an extrusion spring to form secondary sealing, a threaded pressure plate is screwed anticlockwise to move inwards in a threaded groove and extrude the surface of the sealing joint, so that a gap is avoided from being generated under the action of pressure and the like, a joint connecting piece is fixed on the surface of the pipe valve joint seat through a threaded sleeve and a threaded hole, two groups of pipe valve joint seats can be assembled together through the joint connecting piece, further, the two-way connection is realized, different use requirements are met, and the pipe valve joint structure is suitable for popularization.

Description

Pipe valve joint structure with high sealing performance

Technical Field

The utility model belongs to the technical field of pipe valve joints, and particularly relates to a pipe valve joint structure with high sealing performance.

Background

The pipe valve combines the functions of a joint, a plug and a stop valve in a water supply system into one, can be used as the plug for a water pressure test, does not need to be detached after being buried in the water, can be used as the connection of the pipe joint and a faucet or other water using equipment, and can also be used as an automatic stop valve to facilitate replacement or disassembly of easily-damaged parts (such as the faucet and a water purifier).

The present invention has been made in view of this situation.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the defects of the prior art, and provide a pipe valve joint structure with high sealing performance, in order to solve the technical problem, the basic concept of the technical scheme adopted by the utility model is as follows:

a high-sealing pipe valve joint structure comprises a pipe valve joint seat, wherein a connecting pipe is screwed in the pipe valve joint seat, a sealing joint is screwed on the surface of the connecting pipe, an elastic sealing sleeve is fixedly arranged on the surface of the pipe valve joint seat, a sealing clamping groove is formed in the sealing joint, the elastic sealing sleeve is extruded on the inner wall of the sealing clamping groove, a sealing gasket is fixedly arranged on the surface of the pipe valve joint seat, an extrusion spring is fixedly arranged on the inner wall of the sealing joint, a sealing pressing plate is fixedly arranged on the surface of the extrusion spring, the sealing pressing plate is extruded on the surface of the pipe valve joint seat, a threaded pressing plate is extruded on the surface of the sealing joint, a threaded groove is formed in the pipe valve joint seat, the threaded pressing plate is screwed in the threaded groove, a threaded pipe groove is formed in the inner wall of the pipe valve joint seat, and a connecting piece is screwed on the surface of the pipe valve joint seat, the surface of the joint connecting piece is fixedly provided with a threaded sleeve, a threaded hole is formed in the pipe valve joint seat, and the threaded sleeve is in threaded connection with the inside of the threaded hole.

The pipe valve joint seat is composed of a circular frame body, a connecting pipe seat and an inner pipe sleeve, the connecting pipe seat is fixedly installed on the lower surface of the horizontal portion of the circular frame body, the inner pipe sleeve is fixedly installed on the inner wall of the concave portion of the circular frame body, the interior of the horizontal portion of the circular frame body, the connecting pipe seat and the interior of the inner pipe sleeve are communicated, and the connecting pipe is in threaded connection with the interior of the inner pipe sleeve.

The sealing joint is composed of a convex structure and a hollow sleeve, the horizontal part of the convex structure is fixed on the upper surface of the hollow sleeve, the inner diameter of a circular frame on the pipe valve joint seat is larger than the diameter of the hollow sleeve, the inner diameter of the hollow sleeve is larger than the diameter of an inner sleeve on the pipe valve joint seat, the inside of the convex structure is a hollow structure, screw holes are formed in the protruding part of the convex structure and the inside of a connecting pipe, bolts are screwed in the screw holes, fixing flanges are fixed on the two side surfaces of the horizontal part of the convex structure and the two side surfaces of the protruding part of the circular frame on the pipe valve joint seat, and the fixing flanges are fixed together through the bolts.

The elastic sealing sleeve is in an isosceles trapezoid elastic annular structure, the hollow part of the elastic sealing sleeve is fixed on the surface of the inner sleeve on the pipe valve joint seat, the sealing clamping groove is formed in the hollow sleeve on the sealing joint, and the surface of the elastic sealing sleeve extrudes on the inner wall of the sealing clamping groove.

The sealing gasket is fixed on the inner wall of the concave part of the circular frame body on the pipe valve joint seat and the outer side surface of the inner sleeve, the lower end of the sealing clamping groove is provided with a spring groove, the extrusion springs are fixed on the inner side wall of the spring groove, the extrusion springs are provided with a plurality of groups, the sealing pressing plates are provided with two groups, the sealing pressing plates are of semicircular structures, the plurality of groups of extrusion springs are fixed on the outer side surface of the sealing pressing plates, and the inner side surfaces of the sealing pressing plates are extruded on the outer side surface of the inner sleeve on the pipe valve joint seat.

The threaded pressing plate is composed of an arc-shaped plate and a threaded rod, the threaded rod is fixed at the middle end of the outer side surface of the arc-shaped plate, the inner side surface of the arc-shaped plate is extruded on the surface of a hollow sleeve on the sealing joint, a threaded groove is formed in the protruding part of the circular frame on the pipe valve joint seat, and the threaded rod is in threaded connection with the inside of the threaded groove.

The threaded pipe groove is formed in the inner wall of the pipe seat connected to the pipe valve joint seat, the joint connecting piece is fixed to the lower surface of the pipe seat, the threaded sleeve is of a circular ring-shaped structure with threads arranged on the surface, the threaded hole is formed in the outer end of the threaded pipe groove, the joint connecting piece is in threaded connection with the lower surface of the pipe seat through the threaded sleeve and the threaded hole in a threaded mode, and a fixing flange is fixed to the lower end of the outer side surface of the joint connecting piece.

After the technical scheme is adopted, compared with the prior art, the utility model has the following beneficial effects.

During installation, the sealing joint is fixed on the surface of the connecting pipe through the bolt, then the sealing joint is extruded towards the surface of the pipe valve joint seat, under the elastic action of the elastic sealing sleeve, the elastic sealing sleeve extrudes to form primary sealing on the inner wall of the sealing clamping groove, meanwhile, the sealing pressing plate extrudes to the surface of the pipe valve joint seat under the elastic action of the extrusion spring to form secondary sealing, the sealing performance is high, the thread pressing plate is screwed anticlockwise to move inwards in the thread groove and extrude to the surface of the sealing joint, gaps are prevented from being generated under the action of pressure and the like, the use quality of the pipe valve joint seat is guaranteed, the joint connecting piece is fixed on the surface of the pipe valve joint seat through the thread sleeve and the thread hole, two groups of pipe valve joint seats can be assembled together through the joint connecting piece, further, the bidirectional connection is realized, different use requirements are met, and the pipe valve joint is suitable for popularization.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model to its proper form. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection structure of the pressing spring and the sealing pressure plate according to the present invention;

fig. 3 is an enlarged view of a structure a in fig. 1.

In the figure: 1. a pipe valve joint seat; 2. a connecting pipe; 3. sealing the joint; 4. an elastic sealing sleeve; 5. sealing the clamping groove; 6. sealing gaskets; 7. a compression spring; 8. sealing the pressure plate; 9. a threaded pressing plate; 10. a thread groove; 11. a threaded pipe groove; 12. a joint connector; 13. a threaded sleeve; 14. a threaded bore.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

Referring to fig. 1, 2 and 3, a pipe valve joint structure with high sealing performance comprises a pipe valve joint seat 1, wherein a connecting pipe 2 is screwed in the pipe valve joint seat 1, the pipe valve joint seat 1 is composed of a circular frame body, a connecting pipe seat and an inner pipe sleeve, the connecting pipe seat is fixedly arranged on the lower surface of the horizontal part of the circular frame body, the inner pipe sleeve is fixedly arranged on the inner wall of the concave part of the circular frame body, the connecting pipe seat and the inner pipe sleeve are communicated, the connecting pipe 2 is screwed in the inner pipe sleeve, the sealing joint 3 is fixed on the surface of the connecting pipe 2 through a bolt before installation, the connection between the connecting pipe 2 and the sealing joint 3 is realized, and the connecting pipe 2 is further connected in the pipe valve joint seat 1 in a sealing mode under the action of the sealing joint 3;

referring to fig. 1, a sealing joint 3 is screwed on the surface of a connecting pipe 2, the sealing joint 3 is composed of a convex structure and a hollow sleeve, the horizontal part of the convex structure is fixed on the upper surface of the hollow sleeve, the inner diameter of a circular frame on a pipe valve joint seat 1 is larger than the diameter of the hollow sleeve, the inner diameter of the hollow sleeve is larger than the diameter of an inner sleeve on the pipe valve joint seat 1, the inside of the convex structure is a hollow structure, screw holes are arranged on the protruding part of the convex structure and the inside of the connecting pipe 2, bolts are screwed inside the screw holes, fixing flanges are fixed on the two side surfaces of the horizontal part of the convex structure and the two side surfaces of the protruding part of the circular frame on the pipe valve joint seat 1, the fixing flanges are fixed together through the bolts, the sealing joint 3 is screwed on the surface of the pipe valve joint seat 1 through the fixing flanges, and the screwed installation of the pipe valve joint seat 1 and the connecting pipe 2 is realized, the structural strength of the connection of the connecting pipe 2 is ensured;

referring to fig. 1, an elastic sealing sleeve 4 is fixedly installed on the surface of a pipe valve joint seat 1, a sealing clamping groove 5 is formed in a sealing joint 3, the elastic sealing sleeve 4 is extruded on the inner wall of the sealing clamping groove 5, the elastic sealing sleeve 4 is in an isosceles trapezoid elastic annular structure, the hollow part of the elastic sealing sleeve 4 is fixed on the surface of an inner sleeve on the pipe valve joint seat 1, the sealing clamping groove 5 is formed in the hollow sleeve on the sealing joint 3, the surface of the elastic sealing sleeve 4 is extruded on the inner wall of the sealing clamping groove 5, the sealing clamping groove 5 is extruded on the surface of the elastic sealing sleeve 4 under the elastic action of the elastic sealing sleeve 4, and the sealing joint 3 is in sealing connection with the elastic sealing sleeve 4, so that the sealing performance of the connection of the pipe valve joint seat 1 and the sealing joint 3 is ensured;

referring to fig. 1 and 2, a sealing gasket 6 is fixedly installed on the surface of a pipe valve joint seat 1, an extrusion spring 7 is fixedly installed on the inner wall of the sealing joint 3, a sealing pressure plate 8 is fixedly installed on the surface of the extrusion spring 7, the sealing pressure plate 8 is extruded on the surface of the pipe valve joint seat 1, the sealing gasket 6 is fixed on the inner wall of a concave part of a circular frame body and the outer side surface of an inner sleeve on the pipe valve joint seat 1, a spring groove is arranged at the lower end of a sealing clamping groove 5, the extrusion spring 7 is fixed on the side inner wall of the spring groove, a plurality of groups of extrusion springs 7 are arranged, two groups of sealing pressure plates 8 are arranged, the sealing pressure plate 8 is in a semicircular structure, the plurality of groups of extrusion springs 7 are fixed on the outer side surface of the sealing pressure plate 8, the inner side surface of the inner sleeve on the pipe valve joint seat 1 is extruded on the outer side surface of the pipe valve joint seat 1, after the pipe valve joint 3 is butted on the surface of the pipe valve joint seat 1, the sealing pressure plate 8 is extruded on the surface of the pipe valve joint seat 1, further sealing connection is realized;

referring to fig. 1 and 3, a thread pressing plate 9 is extruded on the surface of a sealing joint 3, a thread groove 10 is arranged inside a pipe valve joint seat 1, the thread pressing plate 9 is screwed inside the thread groove 10, the thread pressing plate 9 is composed of an arc-shaped plate and a threaded rod, the threaded rod is fixed at the middle end of the outer side surface of the arc-shaped plate, the inner side surface of the arc-shaped plate is extruded on the surface of a hollow sleeve on the sealing joint 3, the thread groove 10 is arranged inside a protruding part of a circular frame on the pipe valve joint seat 1, the threaded rod is screwed inside the thread groove 10, the thread pressing plate 9 is screwed anticlockwise to move in the thread groove 10 and extrude the surface of the sealing joint 3, gaps are prevented from being generated under the action of pressure and the like, and the connection tightness is ensured;

referring to fig. 1, a threaded pipe groove 11 is formed in the inner wall of a pipe valve joint base 1, a joint connector 12 is screwed on the surface of the pipe valve joint base 1, a threaded sleeve 13 is fixedly mounted on the surface of the joint connector 12, a threaded hole 14 is formed in the pipe valve joint base 1, the threaded sleeve 13 is screwed in the threaded hole 14, the threaded pipe groove 11 is formed in the inner wall of a connecting pipe base on the pipe valve joint base 1, the joint connector 12 is fixed on the lower surface of the connecting pipe base, the threaded sleeve 13 is in a circular ring structure with threads on the surface, the threaded hole 14 is formed in the outer end of the threaded pipe groove 11, the joint connector 12 is screwed on the lower surface of the connecting pipe base through the threaded sleeve 13 and the threaded hole 14, a fixing flange is fixed on the lower end of the outer side surface of the joint connector 12, and after the connecting pipe 2 is fixed on the surface of the pipe valve joint base 1, a one-way connecting pipe is screwed in the threaded pipe groove 11, when two-way connection is needed to be realized through the two groups of pipe valve joint seats 1, the joint connecting pieces 12 are fixed on the surfaces of the pipe valve joint seats 1 through the thread sleeves 13 and the thread holes 14, then the two groups of joint connecting pieces 12 are fixed together, the assembly of the two groups of pipe valve joint seats 1 is realized, and further the two-way connection is realized;

the working principle is as follows: when the pipe valve is actually used, the sealing joint 3 is fixed on the surface of the connecting pipe 2 through the bolt and the screw thread, then the connecting pipe 2 is extruded towards the surface of the pipe valve joint seat 1, the sealing joint 3 is extruded on the surface of the elastic sealing sleeve 4 and is expected to move continuously in the pipe valve joint seat 1 under the elastic action of the elastic sealing sleeve 4, finally the elastic sealing sleeve 4 is extruded on the inner wall of the sealing clamping groove 5 to form a primary sealing structure, meanwhile, under the elastic action of the extrusion spring 7, after the sealing joint 3 completely enters the pipe valve joint seat 1, the sealing pressure plate 8 is extruded on the surface of the pipe valve joint seat 1 to form a secondary sealing connection structure, the connection tightness of the connecting pipe 2 is further ensured, at the moment, the thread pressure plate 9 is screwed anticlockwise to move inwards in the thread groove 10 and is extruded on the surface of the sealing joint 3 finally, and the gap between the pipe valve joint seat 1 and the sealing joint 3 is further avoided, guarantee the leakproofness, then it is together fixed with sealing joint 3 through mounting flange to pass through pipe valve joint base 1, can accomplish the connection installation of connecting pipe 2, then can use the other end of pipe valve joint base 1 through screw thread pipe box 11 spiro union on corresponding pipeline, when needs carry out bilateral connection, fix the surface at pipe valve joint base 1 with screw hole 14 spiro union through thread bush 13 with joint connecting piece 12, then it is together fixed with upper end pipe valve joint base 1 with another group pipe valve joint base 1 through the mounting flange on joint connecting piece 12 surface, can link together two groups of pipe valve joint bases 1 this moment, and then realize bilateral connection, adjust according to actual demand, satisfy the user demand of actual difference, be fit for promoting.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a high leakproofness's pipe valve joint design, includes pipe valve joint seat (1), its characterized in that: the pipe valve joint comprises a pipe valve joint seat (1), a connecting pipe (2) is screwed in the pipe valve joint seat (1), a sealing joint (3) is screwed on the surface of the connecting pipe (2), an elastic sealing sleeve (4) is fixedly arranged on the surface of the pipe valve joint seat (1), a sealing clamping groove (5) is formed in the sealing joint (3), the elastic sealing sleeve (4) extrudes on the inner wall of the sealing clamping groove (5), a sealing gasket (6) is fixedly arranged on the surface of the pipe valve joint seat (1), an extrusion spring (7) is fixedly arranged on the inner wall of the sealing joint (3), a sealing pressing plate (8) is fixedly arranged on the surface of the extrusion spring (7), the sealing pressing plate (8) extrudes on the surface of the pipe valve joint seat (1), a threaded pressing plate (9) is extruded on the surface of the sealing joint (3), a threaded groove (10) is formed in the pipe valve joint seat (1), and the threaded pressing plate (9) is screwed in the threaded groove (10), the inner wall of the pipe valve joint seat (1) is provided with a threaded pipe groove (11), the surface of the pipe valve joint seat (1) is in threaded connection with a joint connecting piece (12), a threaded sleeve (13) is fixedly mounted on the surface of the joint connecting piece (12), a threaded hole (14) is formed in the pipe valve joint seat (1), and the threaded sleeve (13) is in threaded connection with the inside of the threaded hole (14).

2. The pipe valve joint structure with high sealing performance according to claim 1, wherein the pipe valve joint seat (1) is composed of a circular frame, a connecting pipe seat and an inner pipe sleeve, the connecting pipe seat is fixedly installed on the lower surface of the horizontal portion of the circular frame, the inner pipe sleeve is fixedly installed on the inner wall of the concave portion of the circular frame, the inside of the horizontal portion of the circular frame and the connecting pipe seat are communicated with the inside of the inner pipe sleeve, and the connecting pipe (2) is screwed in the inside of the inner pipe sleeve.

3. The pipe valve joint structure with high sealing performance according to claim 1, wherein the sealing joint (3) is composed of a convex structure and a hollow sleeve, the horizontal part of the convex structure is fixed on the upper surface of the hollow sleeve, the inner diameter of a circular frame on the pipe valve joint seat (1) is larger than the diameter of the hollow sleeve, the inner diameter of the hollow sleeve is larger than the diameter of an inner sleeve on the pipe valve joint seat (1), the inside of the convex structure is of a hollow structure, screw holes are arranged on the protruding part of the convex structure and the inside of the connecting pipe (2), bolts are screwed in the screw holes, fixing flanges are fixed on the two side surfaces of the horizontal part of the convex structure and the two side surfaces of the protruding part of the circular frame on the pipe valve joint seat (1), and the fixing flanges are fixed together through the bolts.

4. The pipe valve joint structure with high sealing performance according to claim 1, wherein the elastic sealing sleeve (4) is in an isosceles trapezoid elastic ring structure, the hollow part of the elastic sealing sleeve (4) is fixed on the surface of the inner sleeve on the pipe valve joint seat (1), the sealing clamping groove (5) is arranged inside the hollow sleeve on the sealing joint (3), and the surface of the elastic sealing sleeve (4) is extruded on the inner wall of the sealing clamping groove (5).

5. The pipe valve joint structure with high sealing performance according to claim 1, wherein the sealing gasket (6) is fixed on the outer side surfaces of the inner sleeve and the inner concave portion of the circular frame body on the pipe valve joint seat (1), the lower end of the sealing clamping groove (5) is provided with a spring groove, the extrusion springs (7) are fixed on the inner side walls of the spring groove, the extrusion springs (7) are provided with a plurality of groups, the sealing pressing plates (8) are provided with two groups, the sealing pressing plates (8) are in a semi-circular ring structure, the plurality of groups of extrusion springs (7) are fixed on the outer side surfaces of the sealing pressing plates (8), and the inner side surfaces of the sealing pressing plates (8) are extruded on the outer side surfaces of the inner sleeve on the pipe valve joint seat (1).

6. The pipe valve joint structure with high sealing performance according to claim 1, wherein the threaded pressure plate (9) is composed of an arc-shaped plate and a threaded rod, the threaded rod is fixed at the middle end of the outer side surface of the arc-shaped plate, the inner side surface of the arc-shaped plate is pressed on the surface of a hollow sleeve on the sealing joint (3), a threaded groove (10) is formed in the protruding part of a circular frame body on the pipe valve joint seat (1), and the threaded rod is screwed in the threaded groove (10).

7. The pipe valve joint structure with high sealing performance according to claim 1, wherein the threaded pipe groove (11) is arranged on the inner wall of the connecting pipe seat on the pipe valve joint seat (1), the joint connecting piece (12) is fixed on the lower surface of the connecting pipe seat, the threaded sleeve (13) is in a circular ring structure with threads arranged on the surface, the threaded hole (14) is arranged at the outer end of the threaded pipe groove (11), the joint connecting piece (12) is in threaded connection with the threaded hole (14) on the lower surface of the connecting pipe seat through the threaded sleeve (13), and a fixing flange is fixed at the lower end of the outer side surface of the joint connecting piece (12).