CN217130325U

CN217130325U - Combined seal with anti-abrasion structure

Info

Publication number: CN217130325U
Application number: CN202220474584.6U
Authority: CN
Inventors: 马小龙; 赵金海; 李军
Original assignee: Scory Fluid Technology Suzhou Co ltd
Current assignee: Scory Fluid Technology Suzhou Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-08-05
Anticipated expiration: 2032-03-04

Abstract

The utility model discloses a combination formula is sealed with abrasionproof decreases structure, including sealing mechanism and installation mechanism, sealing mechanism's below middle part is provided with the protection machanism who is used for the circulation, is used for supporting installation mechanism installs the inboard surface at sealing mechanism. This combination formula is sealed with abrasionproof decreases structure, compare with current device, through first installation lid and joint, threaded connection between joint and the escape way, can cover to the left end of escape way and close sealedly, avoid the gaseous emergence of packing to leak, the convenient dismantlement is changed and is maintained simultaneously, through the metal backup pad, can support first sealing washer, thereby avoid first sealing washer to take place to warp and influence usability, through the card post, can conveniently carry out the dismouting change with the metal backup pad, through the snap ring, can conveniently carry out the dismouting with second installation lid, thereby conveniently open when the flowing back, through connecting the rope, can prevent after opening that second installation lid from taking place to lose.

Description

Combined seal with anti-abrasion structure

Technical Field

The utility model relates to a technical field is sealed to the combination formula specifically is a combination formula is sealed with abrasionproof decreases structure.

Background

The sealing can be classified into static sealing and dynamic sealing, and the sealing is a part or measure for preventing fluid or solid particles from leaking from an adjacent joint surface and preventing external impurities such as dust, moisture and the like from invading into the interior of machine equipment. Static sealing refers to tightly sealing a sealed container of a sealed cabin for sealing a letter, and mainly comprises three types of gasket sealing, sealant sealing and direct contact sealing. The static seal can be divided into medium-low pressure static seal and high pressure static seal according to the working pressure.

The existing combined seal has the problem that the wear resistance is poor when the combined seal is used, so that the sealing performance is easy to deteriorate when the combined seal is located inside a device for a long time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a combination formula is sealed with abrasionproof decreases structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a combined seal with an anti-abrasion structure comprises a sealing mechanism and an installation mechanism, wherein the middle part below the sealing mechanism is provided with a protection mechanism for circulation, the mounting mechanism for supporting is arranged on the inner side surface of the sealing mechanism, a wear-resisting mechanism for preventing wear is arranged above the sealing mechanism, a covering mechanism for preventing leakage is arranged on one side below the protection mechanism, the sealing mechanism comprises a compression end and a first sealing ring, a first sealing ring is arranged on one side above the compression end, the wear-resistant mechanism comprises a rubber layer, a metal wire layer, a tetrafluoroethylene layer, a lateral bulge and an upper bulge, the metal wire layer is connected above the rubber layer, and the top on wire layer is fixed with the tetrafluoroethylene layer, the both sides top of first sealing washer is provided with the side arch, and the top of first sealing washer is fixed with the arch.

Preferably, the sealing mechanism further comprises a safety end, the safety end is arranged at the front end of the compression end, and the horizontal center line of the compression end is overlapped with the horizontal center line of the safety end.

Preferably, the sealing mechanism further comprises a limiting ring and a second sealing ring, the limiting ring is fixed to the other side above the compression end, and the second sealing ring is arranged on one side of the limiting ring.

Preferably, the protection mechanism comprises an isolation cavity, a connecting channel and a safety channel, the connecting channel is connected below the isolation cavity, and the safety channel is connected to one side of the middle of the connecting channel.

Preferably, the protection mechanism further comprises a first mounting cover and a joint, the first mounting cover is mounted in the middle of one end of the safety channel, and the joint is fixed at the bottom of the first mounting cover.

Preferably, the installation mechanism comprises a metal support plate and a clamping column, the clamping column is arranged in the middle of the inner side of the metal support plate, and the metal support plate is annular.

Preferably, the covering mechanism comprises a second mounting cover, a clamping ring and a gasket, the clamping ring is fixed in the middle of the upper portion of the second mounting cover, and the gasket is arranged on the surface of the middle of the second mounting cover.

Preferably, the cover mechanism further comprises a connecting rope, the connecting rope is connected to one side of the lower portion of the second mounting cover and is in a circular ring shape.

Compared with the prior art, the utility model provides a combination formula is sealed with abrasionproof decreases structure possesses following beneficial effect: this combination formula is sealed, can improve the leakproofness to and protect when sealed inefficacy, and make things convenient for dismouting flowing back and maintenance, can improve wear and tear ability simultaneously.

1. The utility model discloses a first sealing washer and second sealing washer can improve holistic sealed effect, through the spacing ring, can restrict the position of first sealing washer and second sealing washer, avoid taking place the displacement and influence the leakproofness, through keeping apart chamber and escape way, can circulate emollient when sealed inefficacy, reduce the pollution of emollient to the intracavity medium, the escape way intussuseption is filled with gas simultaneously, improves the pressure of isolation region, with the mode safety seal of pressure differential;

2. the utility model discloses a first installation lid and joint, threaded connection between joint and the escape way, can cover the left end of escape way and close sealedly, avoid the gas of packing to take place to leak, the maintenance is changed in convenient dismantlement simultaneously, through the metal backup pad, can support first sealing washer, thereby avoid first sealing washer to take place to warp and influence usability, through the card post, can conveniently carry out dismouting change with the metal backup pad, through the snap ring, can conveniently carry out dismouting with second installation lid, thereby conveniently open when flowing back, through connecting the rope, can prevent after opening that second installation lid from taking place to lose;

3. the utility model discloses a side is protruding and last arch, can improve stand wear and tear ability when the side of first sealing washer and device and top contact, avoid first sealing washer to take place to damage under long-time the use, the side is protruding simultaneously and go up the leakproofness that the arch can also improve after the installation of first sealing washer, through the wire layer, can improve the intensity and the toughness of first sealing washer, its and the cooperation on tetrafluoroethylene layer, can improve the high pressure resistant and stand wear and tear ability of first sealing washer, with this life that can improve first sealing washer.

Drawings

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

fig. 2 is a schematic front sectional view of the first sealing ring of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a sealing mechanism; 101. a compression end; 102. a safety end; 103. a first seal ring; 104. A limiting ring; 105. a second seal ring; 2. a protection mechanism; 201. an isolation chamber; 202. a connecting channel; 203. a secure channel; 204. a first mounting cover; 205. a joint; 3. an installation mechanism; 301. a metal support plate; 302. clamping the column; 4. a wear resistant mechanism; 401. a rubber layer; 402. a metal wire layer; 403. a layer of tetrafluoroethylene; 404. a side projection; 405. an upper bulge; 5. a covering mechanism; 501. a second mounting cover; 502. A snap ring; 503. a gasket; 504. and connecting ropes.

Detailed Description

As shown in fig. 1, a combined seal with an anti-wear structure comprises a sealing mechanism 1 and an installation mechanism 3, a protection mechanism 2 for circulation is arranged in the middle of the lower portion of the sealing mechanism 1, the sealing mechanism 1 comprises a compression end 101 and a first seal ring 103, the first seal ring 103 is arranged on one side of the upper portion of the compression end 101, a safety end 102 is arranged at the front end of the compression end 101, the horizontal central line of the compression end 101 is overlapped with the horizontal central line of the safety end 102, a spacing ring 104 and a second seal ring 105 are fixed on the other side of the upper portion of the compression end 101, the second seal ring 105 is arranged on one side of the spacing ring 104, the overall sealing effect can be improved through the first seal ring 103 and the second seal ring 105, the positions of the first seal ring 103 and the second seal ring 105 can be limited through the spacing ring 104, and the sealing performance is prevented from being influenced by displacement, the sealing device comprises an isolation cavity 201, a connecting channel 202 and a safety channel 203, wherein the connecting channel 202 is connected below the isolation cavity 201, the safety channel 203 is connected to one side of the middle of the connecting channel 202, when sealing fails through the isolation cavity 201 and the safety channel 203, a lubricant can be circulated, pollution of the lubricant to media in the cavity is reduced, meanwhile, the safety channel 203 is filled with gas, the pressure of an isolation area is improved, the sealing is safe and sealed in a pressure difference mode, a first mounting cover 204 and a connector 205 are arranged, the first mounting cover 204 is mounted in the middle of one end of the safety channel 203, the connector 205 is fixed at the bottom of the first mounting cover 204, the connector 205 is in threaded connection with the safety channel 203 through the first mounting cover 204 and the connector 205, the left end of the safety channel 203 can be covered and sealed, leakage of the filled gas is avoided, and meanwhile, and the dismounting, the replacement and maintenance are convenient;

as shown in fig. 1-3, a mounting mechanism 3 for supporting is mounted on the inner side surface of a sealing mechanism 1, a wear-resistant mechanism 4 for preventing wear is disposed above the sealing mechanism 1, a covering mechanism 5 for preventing leakage is mounted on one side below a protection mechanism 2, a metal support plate 301 and a clip column 302 are disposed, the clip column 302 is disposed in the middle of the inner side of the metal support plate 301, the metal support plate 301 is circular, the first seal ring 103 can be supported by the metal support plate 301, so that the deformation of the first seal ring 103 is prevented from affecting the usability, the metal support plate 301 can be conveniently detached and replaced by the clip column 302, the wear-resistant mechanism 4 includes a rubber layer 401, a wire layer 402, a tetrafluoroethylene layer 403, a side protrusion 404 and an upper protrusion 405, the wire layer 402 is connected above the rubber layer 401, and the tetrafluoroethylene layer 403 is fixed above the wire layer 402, the side bulges 404 are arranged above two sides of the first sealing ring 103, the top of the first sealing ring 103 is fixed with the upper bulge 405, the side bulges 404 and the upper bulge 405 can improve the wear-resisting capability when the first sealing ring 103 is contacted with the side surface and the top of the device, the first sealing ring 103 is prevented from being damaged after long-time use, the side bulges 404 and the upper bulge 405 can also improve the sealing performance after the first sealing ring 103 is installed, the strength and the toughness of the first sealing ring 103 can be improved through the metal wire layer 402, the high pressure resistance and the wear-resisting capability of the first sealing ring 103 can be improved through the matching of the metal wire layer 402 and the tetrafluoroethylene layer 403, the service life of the first sealing ring 103 can be prolonged, the closing mechanism 5 comprises a second installation cover 501, a snap ring 502 and a gasket 503, the snap ring 502 is fixed at the middle part above the second installation cover 501, and the gasket 503 is arranged on the middle surface of the second installation cover 501, connect rope 504, connect rope 504 and connect in the below one side of second installation lid 501, and connect rope 504 and be the ring form, through snap ring 502, can conveniently carry out the dismouting with second installation lid 501 to conveniently open when the flowing back, through connecting rope 504, can prevent after opening that second installation lid 501 from taking place to lose.

The working principle is as follows: when the combined seal is used, firstly, the first seal ring 103 and the second seal ring 105 can improve the whole sealing effect, then, the position of the first seal ring 103 and the second seal ring 105 can be limited by the limiting ring 104, the influence of displacement on the sealing performance is avoided, then, when the seal fails, the lubricant can be circulated by the isolation cavity 201 and the safety channel 203, the pollution of the lubricant to the medium in the cavity is reduced, meanwhile, the safety channel 203 is filled with gas, the pressure of the isolation area is improved, the seal is safely realized in a pressure difference mode, at the moment, through the side bulge 404 and the upper bulge 405, the wear resistance can be improved when the first seal ring 103 is contacted with the side surface and the top of the device, the first seal ring 103 is prevented from being damaged under long-time use, and meanwhile, the side bulge 404 and the upper bulge 405 can also improve the sealing performance after the first seal ring 103 is installed, then, through the metal wire layer 402, the strength and toughness of the first sealing ring 103 can be improved, and the matching of the first sealing ring 103 and the tetrafluoroethylene layer 403 can improve the high pressure resistance and wear resistance of the first sealing ring 103, so that the service life of the first sealing ring 103 can be improved, at the moment, the first mounting cover 204 and the joint 205 are in threaded connection with the safety channel 203, the left end of the safety channel 203 can be covered and sealed, the leakage of the filled gas is avoided, the dismounting, the replacement and the maintenance are convenient, then, through the metal support plate 301, the first sealing ring 103 can be supported, so that the deformation of the first sealing ring 103 is avoided, the usability is prevented from being affected, then, through the clamping column 302, the metal support plate 301 can be conveniently dismounted and replaced, through the clamping ring 502, the second mounting cover 501 can be conveniently dismounted and mounted, so that the liquid drainage can be conveniently carried out, and finally, through the connecting rope 504, the second mounting cover 501 can be prevented from being lost after being opened.

Claims

1. The utility model provides a combination formula is sealed with abrasionproof decreases structure, includes sealing mechanism (1) and installation mechanism (3), its characterized in that, the below middle part of sealing mechanism (1) is provided with protection machanism (2) that are used for the circulation, be used for supporting the inboard surface at sealing mechanism (1) is installed in installation mechanism (3), the top of sealing mechanism (1) is provided with wear-resisting mechanism (4) that are used for the abrasionproof to decrease, cover that is used for preventing leaking is installed to below one side of protection machanism (2) and is closed mechanism (5), sealing mechanism (1) is including compression end (101) and first sealing washer (103), top one side of compression end (101) is provided with first sealing washer (103), wear-resisting mechanism (4) are including rubber layer (401), wire layer (402), tetrafluoroethylene layer (403), side bulge (404) and go up protruding (405), the upper portion of the rubber layer (401) is connected with a metal wire layer (402), a tetrafluoroethylene layer (403) is fixed above the metal wire layer (402), side protrusions (404) are arranged above two sides of the first sealing ring (103), and an upper protrusion (405) is fixed at the top of the first sealing ring (103).

2. A combined seal with wear protection according to claim 1, characterised in that the seal (1) further comprises a safety end (102), the safety end (102) being arranged at the front end of the compression end (101), and the horizontal centre line of the compression end (101) coincides with the horizontal centre line of the safety end (102).

3. The combined seal with the wear prevention structure is characterized in that the seal mechanism (1) further comprises a limiting ring (104) and a second seal ring (105), the limiting ring (104) is fixed on the other side above the compression end (101), and the second seal ring (105) is arranged on one side of the limiting ring (104).

4. The combined seal with the wear prevention structure is characterized in that the protection mechanism (2) comprises an isolation cavity (201), a connecting channel (202) and a safety channel (203), the connecting channel (202) is connected below the isolation cavity (201), and the safety channel (203) is connected to one side of the middle part of the connecting channel (202).

5. The combined seal with a wear prevention structure of claim 4, characterized in that the protection mechanism (2) further comprises a first mounting cover (204) and a joint (205), the first mounting cover (204) is mounted in the middle of one end of the safety channel (203), and the joint (205) is fixed at the bottom of the first mounting cover (204).

6. The combined seal with the wear prevention structure is characterized in that the mounting mechanism (3) comprises a metal support plate (301) and a clamping column (302), the clamping column (302) is arranged in the middle of the inner side of the metal support plate (301), and the metal support plate (301) is in a circular ring shape.

7. The combined seal with the wear prevention structure is characterized in that the covering mechanism (5) comprises a second mounting cover (501), a snap ring (502) and a gasket (503), the snap ring (502) is fixed at the upper middle part of the second mounting cover (501), and the gasket (503) is arranged on the surface of the middle part of the second mounting cover (501).

8. The combination seal with the wear prevention structure of claim 7, wherein the cover mechanism (5) further comprises a connection rope (504), the connection rope (504) is connected to one side of the lower portion of the second mounting cover (501), and the connection rope (504) is annular.