CN212203107U

CN212203107U - Rubber sealing gasket for mechanical sealing

Info

Publication number: CN212203107U
Application number: CN202020566702.7U
Authority: CN
Inventors: 陈延芳
Original assignee: Zhenjiang Yiyang Sealing Products Co ltd
Current assignee: Zhenjiang Yiyang Sealing Products Co ltd
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2020-12-22
Anticipated expiration: 2030-04-16

Abstract

The utility model discloses a rubber sealing gasket for mechanical sealing, which comprises an annular plate and a sealing gasket component; an annular plate: a heat conduction assembly is arranged inside the annular plate and comprises a first annular pipe, a second annular pipe and a communicating pipe; a gasket assembly: the utility model discloses a mechanical seal, including the sealed subassembly of sealing up, the sealed inboard of annular slab is located to the sealed subassembly of sealing up, the sealed lateral surface of annular slab is located to the sealed pad of sealing up, the sealed pad of sealing up and the ring channel interference fit that the sealed pad of sealing up, outer packing and annular slab enclose, and be equipped with spacing subassembly and auxiliary assembly on the sealed subassembly of sealing up, spacing subassembly includes spacing groove, rubber column, rubber slab and spacing hole, the auxiliary assembly includes gag lever post, spring and blind hole, and this mechanical seal is with the sealed pad of rubber can improve sealing performance, and increase of service life has better high temperature resistance, and the practicality is stronger.

Description

Rubber sealing gasket for mechanical sealing

Technical Field

The utility model relates to a mechanical seal technical field specifically is a rubber packing pad for mechanical seal.

Background

The mechanical seal is a device for preventing fluid leakage, which is formed by at least one pair of end faces perpendicular to a rotating axis, keeping fit and sliding relatively under the action of fluid pressure and the elasticity (or magnetic force) of a compensation mechanism and the cooperation of auxiliary seal, the rubber seal gasket is a common seal element in the mechanical seal, the existing partial rubber seal gasket has poor sealing property and high temperature resistance, is easy to be damaged by pressure and has short service life,

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a rubber packing pad for mechanical seal, can improve sealing performance, increase of service life has better high temperature resistance, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a rubber gasket for mechanical sealing comprises an annular plate and a gasket assembly;

an annular plate: a heat conducting component is arranged inside the annular plate;

a gasket assembly: the sealing gasket assembly comprises an inner sealing gasket, an outer sealing gasket and a protruding sealing gasket, the inner sealing gasket is arranged on the inner side face of the annular plate, the outer sealing gasket is arranged on the outer side face of the annular plate, the protruding sealing gasket is in interference fit with an annular groove formed by the inner sealing gasket, the outer sealing gasket and the annular plate in a surrounding mode, and a limiting assembly and an auxiliary assembly are arranged on the sealing gasket assembly.

Further, heat-conducting component includes first annular pipe, second annular pipe and communicating pipe, the inside of annular plate is all located to first annular pipe and second annular pipe, evenly locate the inside of annular plate communicating pipe, and through communicating pipe intercommunication between first annular pipe and the second annular pipe, all annotated the coolant liquid in first annular pipe and the second annular pipe to the coolant liquid in first annular pipe and the second annular pipe carries out heat exchange through communicating pipe when flowing each other, has increased heat radiating area, has improved the sealed high temperature resistance who fills up of rubber.

Further, spacing subassembly includes spacing groove, rubber column, rubber slab and spacing hole, the both sides of outer sealing gasket are evenly located to the spacing groove symmetry, the spacing inslot is located to the rubber column, the rubber slab evenly locates the sealed circumference side of protruding pad, the side of rubber slab is evenly located to spacing hole, and rubber column and spacing hole interference fit, and spacing subassembly is usable rubber slab and spacing groove's cooperation realizes protruding sealed spacing of pad, and the rubber column can carry out the axial spacing to protruding sealed pad with the interference fit in spacing hole, avoids droing of protruding sealed pad.

Further, the auxiliary assembly comprises a limiting rod, a spring and a blind hole, the limiting rod is symmetrical and evenly arranged on two sides of the annular plate, the spring is sleeved on the limiting rod in a sliding mode, the blind hole is evenly arranged on the side face of the protruding sealing gasket, the limiting rod and the blind hole are in sliding fit, when the protruding sealing gasket is pressed in, the sealing performance can be improved through the spring, part of the auxiliary assembly can be subjected to axial extrusion force from two sides, elastic deformation capacity is improved, further, the whole bearing capacity can be improved, and the service life is prolonged.

Further, still include shifting block and friction groove, the circumference side of outer seal pad is evenly located to the shifting block, the surface of shifting block is evenly located to the friction groove, dials fast and the friction groove can be convenient for rotate outer seal pad, can adjust holistic angle as required.

Compared with the prior art, the beneficial effects of the utility model are that: the rubber gasket for mechanical seal has the following advantages:

1. this mechanical seal is with sealed gasket's of rubber packing gasket sealing gasket subassembly can be when receiving the axial extrusion, and the protruding sealed pad of at first both sides can bear the extrusion force, and when the elastic deformation ability variation of the protruding sealed pad of both sides, outer packing pad and inner packing pad can continue to bear the extrusion force of both sides, can effectively improve bearing capacity then, increase of service life.

2. This mechanical seal is with rubber packing's first ring pipe and second ring are intraductal all to be annotated with the coolant liquid to carry out heat exchange when coolant liquid in first ring pipe and the second ring flows each other through communicating pipe, increased heat radiating area, improved rubber packing's high temperature resistance.

3. When the protruding sealing gasket is pressed in, the sealing performance can be improved through the spring, part of the auxiliary assembly of the rubber sealing gasket for mechanical sealing can bear axial extrusion force from two sides, the elastic deformation capacity is improved, the whole bearing capacity can be improved, and the service life is prolonged.

Drawings

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

fig. 2 is a schematic view of the cross-sectional structure of the present invention.

In the figure: the heat-conducting pipe comprises a 1 annular plate, a 22 annular tube, a 23 sealing gasket component, a 31 inner sealing gasket, a 32 outer sealing gasket, a 33 protruding sealing gasket, a 4 limiting component, a 41 limiting groove, a 42.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a rubber gasket for mechanical sealing comprises an annular plate 1 and a gasket assembly 3;

the annular plate 1: the heat conduction assembly 2 is arranged inside the annular plate 1, the heat conduction assembly 2 comprises a first annular pipe 21, a second annular pipe 22 and a communication pipe 23, the first annular pipe 21 and the second annular pipe 22 are arranged inside the annular plate 1, the communication pipe 23 is uniformly arranged inside the annular plate 1, and the first annular pipe 21 and the second annular pipe 22 are communicated through the communication pipe 23;

the gasket assembly 3: the sealing gasket assembly 3 comprises an inner sealing gasket 31, an outer sealing gasket 32 and a raised sealing gasket 33, the inner sealing gasket 31 is arranged on the inner side surface of the annular plate 1, the outer sealing gasket 32 is arranged on the outer side surface of the annular plate 1, the raised sealing gasket 33 is in interference fit with an annular groove formed by the inner sealing gasket 31, the outer sealing gasket 32 and the annular plate 1, the sealing gasket assembly 3 is provided with a limiting assembly 4 and an auxiliary assembly 5, the limiting assembly 4 comprises a limiting groove 41, a rubber column 42, a rubber plate 43 and a limiting hole 44, the limiting groove 41 is symmetrically and uniformly arranged on two sides of the outer sealing gasket 32, the rubber column 42 is arranged in the limiting groove 41, the rubber plate 43 is uniformly arranged on the circumferential side surface of the raised sealing gasket 33, the limiting hole 44 is uniformly arranged on the side surface of the rubber plate 43, the rubber column 42 is in interference fit with the limiting hole 44, the auxiliary assembly 5 comprises a limiting rod 51, a, the spring 52 is sleeved on the limiting rod 51 in a sliding manner, the blind holes 53 are uniformly formed in the side surface of the raised sealing gasket 33, and the limiting rod 51 is in sliding fit with the blind holes 53.

Wherein: the sealing gasket further comprises a shifting block 6 and a friction groove 61, wherein the shifting block 6 is uniformly arranged on the circumferential side surface of the outer sealing gasket 32, and the friction groove 61 is uniformly arranged on the surface of the shifting block 6.

When the gasket assembly 3 is axially compressed, the protruding gaskets 33 on the two sides can bear the compression force firstly, and when the elastic deformation capacity of the protruding gaskets 33 on the two sides is poor, the outer gasket 32 and the inner gasket 31 can continue to bear the compression force on the two sides, so that the compression resistance is improved.

When in use:

firstly, two raised sealing gaskets 33 are respectively arranged at two sides of the annular plate 1, so that the rubber column 42 corresponds to the limiting hole 44, the raised sealing gaskets 33 are buckled into an annular groove formed by enclosing the inner sealing gasket, the outer sealing gasket 32 and the annular plate 1, meanwhile, the raised sealing gaskets 33 press the spring 52, the limiting rod 51 corresponds to the blind hole 53 in a sliding fit manner, when the sealing gasket assembly 3 is axially pressed, the raised sealing gaskets 33 at two sides can bear the pressing force firstly, when the elastic deformation capacity of the raised sealing gaskets 33 at two sides is poor, the outer sealing gasket 32 and the inner sealing gasket 31 can continuously bear the pressing force at two sides, so that the service life is prolonged, cooling liquid is respectively filled in the first annular pipe 21 and the second annular pipe 22, and the cooling liquid in the first annular pipe 21 and the second annular pipe 22 flows through the communication pipe 23 to each other, and heat exchange is simultaneously carried out, the high temperature resistance and the auxiliary group, 5 when the convex sealing gasket 33 is pressed in, the spring 52 can bear part of axial extrusion force from two sides, so that the elastic deformation capacity is increased, the integral pressure bearing capacity can be improved, and the service life is prolonged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A rubber seal pad for mechanical seal, its characterized in that: comprises an annular plate (1) and a sealing gasket component (3);

annular plate (1): a heat conducting component (2) is arranged inside the annular plate (1);

gasket assembly (3): the sealing gasket component (3) comprises an inner sealing gasket (31), an outer sealing gasket (32) and a protruding sealing gasket (33), the inner side face of the annular plate (1) is arranged on the inner sealing gasket (31), the outer side face of the annular plate (1) is arranged on the outer sealing gasket (32), the protruding sealing gasket (33) is in interference fit with an annular groove formed by the inner sealing gasket (31), the outer sealing gasket (32) and the annular plate (1) in a surrounding mode, and a limiting component (4) and an auxiliary component (5) are arranged on the sealing gasket component (3).

2. The rubber gasket for mechanical sealing according to claim 1, wherein: heat conduction subassembly (2) include first annular pipe (21), second annular pipe (22) and communicating pipe (23), the inside of annular plate (1) is all located in first annular pipe (21) and second annular pipe (22), the inside of annular plate (1) is evenly located in communicating pipe (23), and communicates through communicating pipe (23) between first annular pipe (21) and second annular pipe (22).

3. The rubber gasket for mechanical sealing according to claim 1, wherein: spacing subassembly (4) include spacing groove (41), rubber column (42), rubber slab (43) and spacing hole (44), the both sides of outer sealed pad (32) are evenly located to spacing groove (41) symmetry, rubber column (42) are located in spacing groove (41), the circumference side of protruding sealed pad (33) is evenly located in rubber slab (43), the side of rubber slab (43) is evenly located in spacing hole (44), and rubber column (42) and spacing hole (44) interference fit.

4. The rubber gasket for mechanical sealing according to claim 1, wherein: auxiliary assembly (5) include gag lever post (51), spring (52) and blind hole (53), the both sides of annular slab (1) are just evenly located to gag lever post (51) symmetry, spring (52) slip cup joint on gag lever post (51), the side of protruding sealed pad (33) is evenly located in blind hole (53), and gag lever post (51) and blind hole (53) sliding fit.

5. The rubber gasket for mechanical sealing according to claim 1, wherein: still include shifting block (6) and friction groove (61), the circumference side of outer seal pad (32) is evenly located in shifting block (6), the surface of shifting block (6) is evenly located in friction groove (61).