CN219432525U - Check valve sealing ring - Google Patents

Check valve sealing ring Download PDF

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Publication number
CN219432525U
CN219432525U CN202223179089.1U CN202223179089U CN219432525U CN 219432525 U CN219432525 U CN 219432525U CN 202223179089 U CN202223179089 U CN 202223179089U CN 219432525 U CN219432525 U CN 219432525U
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CN
China
Prior art keywords
sealing layer
sealing
check valve
extrusion
ring
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Active
Application number
CN202223179089.1U
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Chinese (zh)
Inventor
李跃进
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Zhejiang Jiake Rubber & Plastic Co ltd
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Zhejiang Jiake Rubber & Plastic Co ltd
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Priority to CN202223179089.1U priority Critical patent/CN219432525U/en
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Publication of CN219432525U publication Critical patent/CN219432525U/en
Active legal-status Critical Current
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Abstract

The utility model relates to a check valve sealing ring, which comprises a first sealing layer, a third sealing layer of the first sealing layer and a fourth sealing layer; the second sealing layer is rotatably clamped on the first sealing layer, the third sealing layer is positioned in the second sealing layer and is rotatably clamped on the first sealing layer, and the fourth sealing layer is rotatably clamped on the third sealing layer; a first extrusion preventing assembly is arranged on the first sealing layer, a buffer assembly is arranged between the first sealing layer and the third sealing layer, and a second extrusion preventing assembly is arranged at the bottom of the fourth sealing layer; the utility model can not deform due to extrusion when in use, and has small wear degree, thereby prolonging the service life.

Description

Check valve sealing ring
Technical Field
The utility model relates to the technical field of sealing rings, in particular to a one-way valve sealing ring.
Background
The one-way valve is commonly called as a one-way valve, wherein fluid can only flow along the water inlet, but the medium at the water outlet cannot flow back. One-way valves are also known as check valves or non-return valves. For preventing reverse flow of oil flow in hydraulic systems or compressed air in pneumatic systems.
The check valve is usually by valve body, case and spring constitution, seals through the sealing washer between valve body and case at the initial time, and fluid or gaseous through the case and overcome spring force and frictional force when using for the case removes, but can rub the sealing washer and lead to the fact the extrusion when the case removes for the sealing washer warp, can cause wearing and tearing after the sealing washer receives the friction simultaneously, and then reduction life.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides the one-way valve sealing ring which is free from deformation caused by extrusion in use, and has small abrasion degree, thereby prolonging the service life.
The technical scheme adopted for solving the technical problems is as follows: a one-way valve sealing ring comprises a first sealing layer, a third sealing layer of the first sealing layer and a fourth sealing layer; the second sealing layer is rotatably clamped on the first sealing layer, the third sealing layer is positioned in the second sealing layer and is rotatably clamped on the first sealing layer, and the fourth sealing layer is rotatably clamped on the third sealing layer; a first extrusion preventing assembly is arranged on the first sealing layer, a buffer assembly is arranged between the first sealing layer and the third sealing layer, and a second extrusion preventing assembly is arranged at the bottom of the fourth sealing layer; four layers of sealing rings are arranged on the whole sealing ring, so that a good sealing effect is achieved; when the first sealing layer is extruded and rubbed, the first anti-extrusion component is used for buffering, so that the first sealing layer is prevented from being extruded to deform, when the third sealing layer is extruded, the third sealing layer can be outwards expanded, the annular swivel rotates by taking the annular shaft as a turning point, good tightness between the first sealing layer and the third sealing layer is kept, meanwhile, the third sealing layer is prevented from being extruded to deform, and meanwhile, the abrasion degree of the third sealing layer is reduced; meanwhile, the first corrugated surface and the second corrugated surface on the third sealing layer also play a certain role in buffering and extrusion, and play a role in protecting the third sealing layer; the second extrusion-preventing assembly arranged on the fourth sealing layer ensures that the fourth sealing layer is not easy to deform when being extruded, and meanwhile, the reinforcing ribs ensure that the stress is uniform, and the fourth sealing layer is not extruded to incline; and then whole sealing washer not only the leakproofness is good when using, and the sealing washer is difficult for yielding simultaneously, and the degree of wear is little, and then the life of this sealing washer is high.
Specifically, the first extrusion-preventing assembly comprises a first slot arranged on the first sealing layer, a support body fixedly arranged on the first slot and a sealing ring arranged on the support body.
Specifically, the upper ring body and the lower ring body of the support body are provided with a plurality of first openings which are circumferentially equidistant and spaced, and the lower ring body is provided with a plurality of second openings which are circumferentially equidistant and spaced; the outer surface of the sealing ring is in arc-shaped arrangement.
Specifically, the buffer component comprises an annular shaft fixedly arranged on the first sealing layer, and an annular rotator, one end of which is rotatably arranged on the annular shaft, and the other end of which is in abutting arrangement with the third sealing layer; the annular rotator is provided with a first cambered surface; the buffer components are provided with a plurality of groups.
Specifically, the second extrusion-preventing assembly comprises a plurality of second grooves formed in the bottom of the fourth sealing layer and reinforcing ribs fixedly arranged at the second grooves.
Specifically, a first corrugated surface and a second corrugated surface are arranged on the third sealing layer, the first corrugated surface is arranged at the joint of the third sealing layer and the second sealing layer, and the second corrugated surface is arranged on the inner wall of the third sealing layer.
Specifically, an outer tower molded surface is arranged on the fourth sealing layer, and an inner tower molded surface is arranged on the inner wall of the fourth sealing layer.
Specifically, a connecting ring is further arranged on the fourth sealing layer, and a second cambered surface is arranged on the connecting ring; and a third slot is formed in the second sealing layer, and the connecting ring is positioned in the third slot.
The beneficial effects of the utility model are as follows:
four layers of sealing rings are arranged on the whole sealing ring, so that a good sealing effect is achieved; when the sealing device is used, when the first sealing layer is extruded and rubbed, the first anti-extrusion assembly is used for buffering, so that the first sealing layer is prevented from being extruded to deform, when the third sealing layer is extruded, the third sealing layer can be outwards expanded, the annular swivel rotates by taking the annular shaft as a turning point, good sealing performance between the first sealing layer and the third sealing layer is kept, meanwhile, the third sealing layer is prevented from being extruded to deform, and meanwhile, the abrasion degree of the third sealing layer is reduced; meanwhile, the first corrugated surface and the second corrugated surface on the third sealing layer also play a certain role in buffering, so that the third sealing layer is protected; the second extrusion-preventing assembly arranged on the fourth sealing layer ensures that the fourth sealing layer is not easy to deform when being extruded, and meanwhile, the reinforcing ribs ensure that the stress is uniform, and the fourth sealing layer is not extruded to incline; and then whole sealing washer not only the leakproofness is good when using, and the sealing washer is difficult for yielding simultaneously, and the degree of wear is little, and then the life of this sealing washer is high.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a cross-sectional view taken along line A-A in FIG. 2;
fig. 4 is an enlarged view at a in fig. 3;
FIG. 5 is a bottom view of the present utility model;
FIG. 6 is a schematic view of a support body according to the present utility model;
FIG. 7 is an exploded view of the present utility model;
fig. 8 is a cross-sectional view of the A-A line structure of fig. 7.
In the figure: 1. a first sealing layer; 2. a second sealing layer; 3. a third sealing layer; 4. a fourth sealing layer; 5. a first anti-extrusion assembly; 6. a buffer assembly; 7. a second anti-extrusion assembly; 51. a first slot; 52. a support body; 53. a seal ring; 521. an upper ring body; 522. a lower ring body; 523. a first opening; 524. a second opening; 61. a ring shaft; 62. an annular rotator; 621. a first cambered surface; 71. a second slot; 72. reinforcing ribs; 31. a first corrugated surface; 32. a second corrugated surface; 41. an outer tower profile; 42. an inner tower profile; 43. a connecting ring; 431. a second cambered surface; 21. and a third slot.
Detailed Description
The utility model is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1 to 8, the check valve sealing ring comprises a first sealing layer 1, a first sealing layer 2, a third sealing layer 3 and a fourth sealing layer 4; the second sealing layer 2 is rotatably clamped on the first sealing layer 1, the third sealing layer 3 is positioned in the second sealing layer 2 and rotatably clamped on the first sealing layer 1, and the fourth sealing layer 4 is rotatably clamped on the third sealing layer 3; a first extrusion preventing assembly 5 is arranged on the first sealing layer 1, a buffer assembly 6 is arranged between the first sealing layer 1 and the third sealing layer 3, and a second extrusion preventing assembly 7 is arranged at the bottom of the fourth sealing layer 4; four layers of sealing rings are arranged on the whole sealing ring, so that a good sealing effect is achieved; when the first sealing layer 1 is extruded and rubbed, the first anti-extrusion component 5 is used for buffering, so that the first sealing layer 1 is prevented from being extruded to deform, when the third sealing layer 3 is extruded, the third sealing layer 3 can be outwards expanded, the annular swivel 62 rotates by taking the annular shaft 61 as a turning point, good tightness between the first sealing layer 1 and the third sealing layer 3 is maintained, meanwhile, the third sealing layer 3 is prevented from being extruded to deform, and meanwhile, the abrasion degree of the third sealing layer 3 is reduced; meanwhile, the first corrugated surface 31 and the second corrugated surface 32 on the third sealing layer 3 also play a role in buffering and extrusion to a certain extent, and play a role in protecting the third sealing layer 3; the second extrusion-preventing component 7 arranged on the fourth sealing layer 4 ensures that the fourth sealing layer 4 is not easy to deform when being extruded, and meanwhile, the reinforcing ribs 72 ensure that the stress is uniform, and the fourth sealing layer 4 is not extruded to incline; and then whole sealing washer not only the leakproofness is good when using, and the sealing washer is difficult for yielding simultaneously, and the degree of wear is little, and then the life of this sealing washer is high.
As shown in fig. 3, the first anti-extrusion component 5 includes a first slot 51 provided on the first sealing layer 1, a supporting body 52 fixedly provided on the first slot 51, and a sealing ring 53 provided on the supporting body 52; the supporting body 52 plays a certain supporting role, prevents the sealing ring 53 from being extruded and deformed, and plays a protecting role.
As shown in fig. 6, the upper ring 521 and the lower ring 522 of the support 52, the upper ring 521 is provided with a plurality of first openings 523 circumferentially equidistant and spaced apart, and the lower ring 522 is provided with a plurality of second openings 524 circumferentially equidistant and spaced apart; the outer surface of the sealing ring 53 is in arc-shaped arrangement; the upper ring 521 and the lower ring 522 are arranged in a conical manner, so as to play a supporting role, and meanwhile, the first opening 523 and the second opening 524 enable the supporting body 52 to have a certain deformation space; the sealing ring 53 is arranged in an arc shape, so that abrasion is avoided, and the service life is prolonged.
As shown in fig. 4, the buffer assembly 6 includes an annular shaft 61 fixedly disposed on the first sealing layer 1, and an annular rotating body 62 with one end rotatably disposed on the annular shaft 61 and the other end abutting against the third sealing layer 3; the annular rotator 62 is provided with a first cambered surface 621; the buffer components 6 are provided with a plurality of groups; when the third sealing layer 3 is extruded, the third sealing layer 3 expands outwards, so that the annular swivel 62 rotates, the annular swivel 62 plays a certain role in buffering, excessive deformation of the third sealing layer 3 is avoided, and good sealing performance is guaranteed.
As shown in fig. 5, the second anti-extrusion component 7 includes a plurality of second grooves 71 formed at the bottom of the fourth sealing layer 4, and reinforcing ribs 72 fixedly formed at the second grooves 71; the fourth sealing layer 4 is not easy to deform due to the plurality of second grooves 71, the fourth sealing layer 4 is uniformly stressed when being deformed due to the arrangement of the plurality of reinforcing ribs 72, a certain supporting effect is achieved, the problem that the fourth sealing layer 4 is inclined due to uneven stress when being extruded is avoided, and a good sealing effect is achieved.
As shown in fig. 3, the third sealing layer 3 is provided with a first corrugated surface 31 and a second corrugated surface 32, the first corrugated surface 31 is arranged at the joint of the third sealing layer 3 and the second sealing layer 2, and the second corrugated surface 32 is arranged on the inner wall of the third sealing layer 3; the first corrugated surface 31 and the second corrugated surface 32 play a role in protecting the third sealing layer 3 from deformation due to pressure, reducing abrasion and prolonging service life.
As shown in fig. 3, an outer tower profile 41 is provided on the fourth sealing layer 4, and an inner tower profile 42 is provided on the inner wall of the fourth sealing layer 4; the arrangement of the outer tower profile 41 and the inner tower profile 42 prevents the fourth sealing layer 4 from being deformed by extrusion, and has good tightness; and the arrangement of the inner tower profile 42 avoids the entry of impurities, so that the check valve works normally, and meanwhile, the abrasion of the fourth sealing layer 4 is reduced, and the service life is prolonged.
As shown in fig. 3, a connection ring 43 is further disposed on the fourth sealing layer, and a second cambered surface 431 is disposed on the connection ring 43; a third slot 21 is formed in the second sealing layer 2, and the connecting ring 43 is located in the third slot 21; the connecting ring 43 plays a certain role in buffering and is prevented from being deformed by extrusion.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (8)

1. The utility model provides a check valve sealing washer which characterized in that: comprises a first sealing layer (1), a second sealing layer (2), a third sealing layer (3) and a fourth sealing layer (4); the second sealing layer (2) is rotatably clamped on the first sealing layer (1), the third sealing layer (3) is positioned in the second sealing layer (2) and rotatably clamped on the first sealing layer (1), and the fourth sealing layer (4) is rotatably clamped on the third sealing layer (3); be equipped with first extrusion subassembly (5) of preventing on first sealing layer (1), first sealing layer (1) with be equipped with buffer unit (6) between third sealing layer (3), fourth sealing layer (4) bottom is equipped with second extrusion subassembly (7) of preventing.
2. A check valve seal as defined in claim 1, wherein: the first extrusion-proof assembly (5) comprises a first groove (51) formed in the first sealing layer (1), a supporting body (52) fixedly formed in the first groove (51) and a sealing ring (53) formed in the supporting body (52).
3. A check valve seal as defined in claim 2, wherein: the support body (52) comprises an upper ring body (521) and a lower ring body (522), wherein a plurality of first openings (523) which are circumferentially equidistant and spaced are formed in the upper ring body (521), and a plurality of second openings (524) which are circumferentially equidistant and spaced are formed in the lower ring body (522); the outer surface of the sealing ring (53) is in arc-shaped arrangement.
4. A check valve seal as defined in claim 1, wherein: the buffer component (6) comprises an annular shaft (61) fixedly arranged on the first sealing layer (1), and an annular rotator (62) with one end rotatably arranged on the annular shaft (61) and the other end in abutting arrangement with the third sealing layer (3); the annular rotating body (62) is provided with a first cambered surface (621); the buffer components (6) are provided with a plurality of groups.
5. A check valve seal as defined in claim 1, wherein: the second extrusion-proof assembly (7) comprises a plurality of second grooves (71) arranged at the bottom of the fourth sealing layer (4) and reinforcing ribs (72) fixedly arranged at the second grooves (71).
6. A check valve seal as defined in claim 1, wherein: the third sealing layer (3) is provided with a first corrugated surface (31) and a second corrugated surface (32), the first corrugated surface (31) is arranged at the joint of the third sealing layer (3) and the second sealing layer (2), and the second corrugated surface (32) is arranged on the inner wall of the third sealing layer (3).
7. A check valve seal as defined in claim 1, wherein: an outer tower profile (41) is arranged on the fourth sealing layer (4), and an inner tower profile (42) is arranged on the inner wall of the fourth sealing layer (4).
8. A check valve seal as defined in claim 1, wherein: a connecting ring (43) is further arranged on the fourth sealing layer, and a second cambered surface (431) is arranged on the connecting ring (43); and a third groove (21) is formed in the second sealing layer (2), and the connecting ring (43) is positioned in the third groove (21).
CN202223179089.1U 2022-11-28 2022-11-28 Check valve sealing ring Active CN219432525U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223179089.1U CN219432525U (en) 2022-11-28 2022-11-28 Check valve sealing ring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223179089.1U CN219432525U (en) 2022-11-28 2022-11-28 Check valve sealing ring

Publications (1)

Publication Number Publication Date
CN219432525U true CN219432525U (en) 2023-07-28

Family

ID=87344062

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223179089.1U Active CN219432525U (en) 2022-11-28 2022-11-28 Check valve sealing ring

Country Status (1)

Country Link
CN (1) CN219432525U (en)

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