CN216520159U

CN216520159U - Mechanical sealing element easy to disassemble, assemble and maintain

Info

Publication number: CN216520159U
Application number: CN202123198763.6U
Authority: CN
Inventors: 明兴平; 杨宗迪; 吴波; 张霞
Original assignee: Zigong Chuanmi Mechanical Seals Co ltd
Current assignee: Zigong Chuanmi Mechanical Seals Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-05-13
Anticipated expiration: 2031-12-20

Abstract

The utility model discloses a mechanical sealing element easy to disassemble, assemble and overhaul, comprising: the upper end of the first connector head is connected with a sealing washer, the upper connecting ring is arranged at the outer ends of the limiting retainer ring and the ball, and the lower end of the upper connecting ring is connected with a lower connecting assembly; the outer end face of the fixing ring is fixedly provided with a mounting ring through a bolt structure; the first sealing rubber ring is arranged on the outer surface of the first connecting pipe head and located above the fixing ring, and the second sealing rubber ring fixedly connected with the inner surface of the lower connecting assembly is arranged on the outer side of the first sealing rubber ring. This mechanical seal spare that easy dismouting was overhauld has improved the sealed effect of locking, has strengthened the leak protection effect of connecting the position, and the dismouting of being convenient for has solved the problem that produces wearing and tearing easily between current mechanical seal spare and the body simultaneously.

Description

Mechanical sealing element easy to disassemble, assemble and maintain

Technical Field

The utility model relates to the technical field of mechanical sealing elements, in particular to a mechanical sealing element easy to disassemble, assemble and maintain.

Background

The mechanical sealing element belongs to one of precise mechanical basic elements with complex structures, the service life and the sealing performance of the mechanical sealing element can be greatly improved by the correct installation and use mode of the mechanical sealing element, however, most of the existing mechanical sealing elements have some defects, such as the defects;

such as a mechanical seal of chinese patent publication No. CN212899702U for easy adjustment, it includes the inferior valve, the inside of inferior valve is equipped with a pair of connecting pipe, the upper end of inferior valve is excavated there is annular groove, the upper end of annular groove is equipped with the epitheca, the lower extreme of epitheca and the inner wall phase-match of annular groove, the upper end of inferior valve and epitheca is all excavated there is the through-hole, the inner wall of through-hole and the outer end phase-match of connecting pipe, the equal a pair of connecting plate of fixedly connected with in the outer end of inferior valve and epitheca, the threaded hole is all excavated to the connecting plate of inferior valve outer end, the locating hole has all been excavated to the connecting plate of epitheca outer end, the bull stick is equipped with in the inside of a pair of locating hole is inserted, the bull stick rotates with the locating hole to be connected, the upper end of bull stick is excavated threadedly, the upper end and the screw hole threaded connection of bull stick, it can realize the sealing member to the pipeline after long-time use, be difficult for droing, fluid is difficult for leaking from the clearance, and long service life.

However, the above prior art solutions have the following drawbacks: the locking effect is poor, the leakage-proof effect of the connecting part is general, meanwhile, the sealing element and the pipe body are easily abraded, and then certain use defects exist, so that the mechanical sealing element easy to disassemble, assemble and repair is provided, and the problem provided in the scheme is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a mechanical sealing element easy to disassemble, assemble and maintain, and aims to solve the problems that the locking effect of the existing mechanical sealing element in the background art is poor, the leakage-proof effect of a connecting part is general, and meanwhile abrasion is easy to generate between the sealing element and a pipe body.

In order to achieve the purpose, the utility model provides the following technical scheme: a mechanical seal for easy disassembly and assembly for service, comprising:

the upper end of the first connector head is connected with a sealing gasket, the upper end of the sealing gasket is connected with a second connector head, the outer surface of the second connector head is connected with an expansion sealing ring, the outer end surface of the expansion sealing ring is connected with a limiting check ring, and the outer end surface of the limiting check ring is provided with a ball;

the lower end of the upper connecting ring is connected with a lower connecting assembly, and the lower end of the lower connecting assembly is connected with an outer connecting ring;

the outer end face of the fixing ring is fixedly provided with an installation ring through a bolt structure, and the outer end face of the installation ring is fixedly connected with an inner connecting ring;

the first sealing rubber ring is arranged on the outer surface of the first connecting pipe head and located above the fixing ring, and the second sealing rubber ring fixedly connected with the inner surface of the lower connecting assembly is arranged on the outer side of the first sealing rubber ring.

Preferably, the lower connecting assembly is composed of a lower connecting ring, a connecting groove and a joining ring;

the lower connecting ring is fixedly connected to the upper position of the outer end of the outer connecting ring;

the connecting groove is formed in the upper end face of the lower connecting ring and is arranged on the outer side of the upper connecting ring;

and an adaptor ring coupled to an inside of the coupling groove.

Preferably, the lower end of the upper connecting ring is provided with a groove-shaped structure, and the upper connecting ring and the connecting ring form nested connection through the groove-shaped structure.

Preferably, the upper connecting ring is rotationally connected with the limiting retainer ring through a ball, and the longitudinal section of the ball is arranged in an I shape.

Preferably, the connection mode between the inner adapter ring and the outer adapter ring is a threaded connection.

Preferably, the outer end face of the first sealing rubber ring is provided with a protruding structure, and the first sealing rubber ring and the second sealing rubber ring form a joint connection.

Compared with the prior art, the utility model has the beneficial effects that: the mechanical sealing element easy to disassemble, assemble and maintain improves the locking sealing effect, strengthens the leakage-proof effect of the connecting part, is convenient to disassemble and assemble, and simultaneously solves the problem that the existing mechanical sealing element and the pipe body are easy to wear;

1. the inner connecting ring, the outer connecting ring and the first connecting pipe head are arranged, the lower connecting assembly and the upper connecting ring are held, and when the first connecting pipe head is rotated clockwise, the first connecting pipe head drives the inner connecting ring to rotate clockwise in the outer connecting ring, so that the first connecting pipe head is pressed against the sealing washer and the second connecting pipe head, and the locking and sealing effects are improved;

2. the lower connecting assembly, the upper connecting ring and the first sealing rubber ring are arranged on the upper end face of the lower connecting ring through the connecting groove and are rotatably arranged on the outer side of the upper connecting ring, the upper connecting ring and the connecting ring form nested connection through a groove-shaped structure of the lower end face, the sealing performance of the connecting part of the lower connecting assembly and the upper connecting ring is improved, the disassembly and the assembly are convenient, and meanwhile, when the lower connecting assembly is connected with the upper connecting ring, the first sealing rubber ring and the second sealing rubber ring are connected in a laminating manner, the leakage-proof effect of the connecting part is enhanced, and the practicability is better;

3. be equipped with spacing retaining ring, ball and last go-between, be provided with spacing retaining ring through last go-between and second connector head, ball and expansion seal circle, expansion seal circle inflation and second connector head paste tight back, when second connector head and last go-between produce relative rotation, rotate in the upper end of last go-between through spacing retaining ring and ball, reduce wearing and tearing between go-between and the second connector head, solved and produced the problem of wearing and tearing easily between current mechanical seal spare and the body.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the lower connecting assembly and the upper connecting ring according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

fig. 5 is a schematic view of the connection structure of the first sealing rubber ring and the second sealing rubber ring according to the present invention.

In the figure: 1. a first connector head; 2. a second connector head; 3. a lower connecting assembly; 301. a lower connecting ring; 302. connecting grooves; 303. an adaptor ring; 4. an upper connecting ring; 5. a stationary ring; 6. installing a ring; 7. an inner adapter ring; 8. an outer connecting loop; 9. a limit retainer ring; 10. a ball bearing; 11. expanding the sealing ring; 12. a sealing gasket; 13. a first sealant ring; 14. and a second sealing rubber ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a mechanical seal for easy disassembly and assembly for service, comprising: the upper end of the first connector head 1 is connected with a sealing washer 12, the upper end of the sealing washer 12 is connected with a second connector head 2, the outer surface of the second connector head 2 is connected with an expansion sealing ring 11, the outer end surface of the expansion sealing ring 11 is connected with a limiting check ring 9, the outer end surface of the limiting check ring 9 is provided with a ball 10, the outer ends of the limiting check ring 9 and the ball 10 are provided with an upper connection ring 4, the lower end of the upper connection ring 4 is connected with a lower connection assembly 3, the lower end of the lower connection assembly 3 is connected with an outer connection ring 8, and the effect of reducing friction between the upper connection ring 4 and the second connector head 2 is achieved through the limiting check ring 9 and the ball 10;

outer terminal surface fixedly connected with retainer plate 5 of first connector head 1, and the outer terminal surface of retainer plate 5 has installation ring 6 through bolt structure fixed mounting, and link up circle 7 in the outer terminal surface fixedly connected with of installation ring 6, the surface of first connector head 1 is provided with the first sealed rubber ring 13 that is located retainer plate 5 top, and the outside of first sealed rubber ring 13 is provided with the sealed rubber ring 14 of second of fixed connection 3 internal surfaces of coupling assembling under, through retainer plate 5, installation ring 6, interior link up circle 7 and outer link up circle 8 play the effect of connecting first connector head 1 and coupling assembling 3 down, conveniently rotate first connector head 1 simultaneously and adjust the connection elasticity of first connector head 1 and second connector head 2.

In using the mechanical seal member which is easy to disassemble and assemble and repair, first, the mounting ring 6 and the inner joint ring 7 are fixedly mounted on the outer end surface of the first connector head 1 by the fixing ring 5, the lower connecting member 3 is mounted on the outer side of the inner joint ring 7 by the outer joint ring 8, the upper connecting ring 4 is mounted on the outer side of the second connector head 2, as shown in detail in fig. 1 and 4, because the connection mode between the inner connecting ring 7 and the outer connecting ring 8 is threaded connection, the lower connecting component 3 and the upper connecting ring 4 are held, and when the first connector head 1 is rotated clockwise, the first connector head 1 drives the inner coupling ring 7 to rotate clockwise inside the outer coupling ring 8, the first connector head 1 is further pressed against the sealing washer 12 and the second connector head 2, the connection sealing performance of the sealing washer 12 on the first connector head 1 and the second connector head 2 is improved, and meanwhile, the rotary assembly and disassembly are facilitated;

as shown in fig. 1 and 2, the connection groove 302 is disposed on the upper end surface of the lower connection ring 301 and is rotatably disposed on the outer side of the upper connection ring 4, and the upper connection ring 4 forms a nested connection with the engagement ring 303 through a groove-shaped structure on the lower end surface, so as to improve the sealing performance of the connection portion between the lower connection assembly 3 and the upper connection ring 4, and prevent night leakage, as shown in fig. 1 and 3, since the upper connection ring 4 forms a rotatable connection with the retainer ring 9 through the balls 10, and the longitudinal section of the balls 10 is disposed in an "i" shape, when the second connector ferrule 2 and the upper connection ring 4 relatively rotate, the wear between the upper connection ring 4 and the second connector ferrule 2 is reduced through the rotation of the retainer ring 9 and the balls 10 on the upper end of the upper connection ring 4, specifically, as shown in fig. 1 and 5, when the lower connection assembly 3 is connected with the upper connection ring 4, the first sealant ring 13 is in a fitting connection with the second sealant ring 14, the sealing effect of the sealing element is improved, and the mechanical sealing element is easy to disassemble, assemble and repair.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described, and the content not described in detail in the specification belongs to the prior art known by persons skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an easy mechanical seal spare that dismouting was overhauld which characterized in that: the method comprises the following steps:

the connector comprises a first connector head (1), wherein the upper end of the first connector head (1) is connected with a sealing gasket (12), the upper end of the sealing gasket (12) is connected with a second connector head (2), the outer surface of the second connector head (2) is connected with an expansion sealing ring (11), the outer end surface of the expansion sealing ring (11) is connected with a limiting check ring (9), and the outer end surface of the limiting check ring (9) is provided with a ball (10);

the lower end of the upper connecting ring (4) is connected with the lower connecting assembly (3), and the lower end of the lower connecting assembly (3) is connected with the outer connecting ring (8);

the outer end face of the fixing ring (5) is fixedly provided with an installation ring (6) through a bolt structure, and the outer end face of the installation ring (6) is fixedly connected with an inner connecting ring (7);

the first sealing rubber ring (13) is arranged on the outer surface of the first connecting pipe head (1) and located above the fixing ring (5), and the second sealing rubber ring (14) fixedly connected to the inner surface of the lower connecting assembly (3) is arranged on the outer side of the first sealing rubber ring (13).

2. A mechanical seal for easy disassembly and assembly for service according to claim 1, wherein: the lower connecting assembly (3) is composed of a lower connecting ring (301), a connecting groove (302) and a connecting ring (303);

a lower connecting ring (301) which is fixedly connected to the upper position of the outer end of the outer connecting ring (8);

a connecting groove (302) which is arranged on the upper end surface of the lower connecting ring (301) and is arranged on the outer side of the upper connecting ring (4);

an adapter ring (303) connected inside the connection groove (302).

3. A mechanical seal for easy disassembly and assembly for service according to claim 1, wherein: the lower end of the upper connecting ring (4) is provided with a groove-shaped structure, and the upper connecting ring (4) and the connecting ring (303) form nested connection through the groove-shaped structure.

4. A mechanical seal for easy disassembly and assembly for service according to claim 1, wherein: the upper connecting ring (4) is rotationally connected with the limiting retainer ring (9) through a ball (10), and the longitudinal section of the ball (10) is arranged in an I shape.

5. A mechanical seal for easy disassembly and assembly for service according to claim 1, wherein: the connection mode between the inner connecting ring (7) and the outer connecting ring (8) is threaded connection.

6. A mechanical seal for easy disassembly and assembly for service according to claim 1, wherein: the outer end face of the first sealing rubber ring (13) is provided with a protruding structure, and the first sealing rubber ring (13) and the second sealing rubber ring (14) form a fit connection.