CN220286408U

CN220286408U - Leak-proof sealing ring

Info

Publication number: CN220286408U
Application number: CN202321992886.3U
Authority: CN
Inventors: 钟骥
Original assignee: Guangzhou Guoyan Sealing Technology Co ltd
Current assignee: Guangzhou Guoyan Sealing Technology Co ltd
Priority date: 2023-07-27
Filing date: 2023-07-27
Publication date: 2024-01-02
Anticipated expiration: 2033-07-27

Abstract

The utility model discloses a leakage-proof sealing ring, which comprises a sealing ring body, wherein the outer side of the sealing ring body is provided with a convex surface, the upper end and the lower end of the inner wall of the convex surface are respectively provided with a supporting block, the rear end of each supporting block is provided with a connecting block, the supporting blocks are movably connected with the convex surface through the connecting blocks, and the rear side of each supporting block is provided with an extrusion block at the inner side of the sealing ring body. When the sealing ring body is extruded, the displacement blocks drive the extrusion blocks to diffuse outwards through the pressure applied to the sealing ring body, and simultaneously, the upper ends and the lower ends of the extrusion blocks are inclined planes, the bottom surfaces of the supporting blocks are mutually attached to the extrusion blocks, so that the supporting blocks displace inside the guide grooves under the extrusion operation of the extrusion blocks, the upper ends and the lower ends of the convex surfaces are filled, gaps between the sealing ring body and sealing materials are completely filled, and the sealing performance of the sealing ring is improved.

Description

Leak-proof sealing ring

Technical Field

The utility model relates to the technical field of sealing rings, in particular to a leakage-proof sealing ring.

Background

When the lung ventilation function (such as airway resistance, lung compliance and the like) of an experimental animal is detected, the complete tightness of the plethysmograph box is required to be ensured to obtain related parameters, and a sealing ring is padded between the box cover and the box body of the plethysmograph box, so that the box body of the plethysmograph box is difficult to process into a plane due to the limitation of the existing processing technology, and the surface of the box body is uneven.

Aiming at the prior CN201520060252.3 sealing ring, the upper surface and the lower surface of the substrate are provided with wire seals, so that the sealing ring is easy to deform, is matched with the surface of the box body, has good sealing effect, prevents the pressure relief condition caused by overlarge pressure in the box body, and simultaneously reduces the requirement on the surface processing technology of the box body, thereby solving the technical problems that the prior sealing ring is surface-sealed and has small deformation, thus leading to the pressure relief condition, but the sealing ring can deform along with the prolongation of the service time, gaps can be formed between the sealing ring and a sealing piece after the deformation of the sealing ring, and the sealing effect of the sealing ring is gradually reduced; therefore, the existing requirements are not met, and a leakage-proof sealing ring is provided.

Disclosure of Invention

The utility model aims to provide a leakage-proof sealing ring, which solves the problems that the prior sealing ring provided in the background art deforms along with the extension of the service time, gaps are formed between the deformed sealing ring and a sealing piece, the sealing effect of the sealing ring is gradually reduced, and the like.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a leak protection sealing washer, includes the sealing washer body, the outside of sealing washer body is equipped with the convex surface, the upper and lower both ends of convex surface inner wall all are equipped with the supporting shoe, the rear end of supporting shoe is equipped with the connecting block, the supporting shoe passes through connecting block and convex surface swing joint, the rear position of supporting shoe is equipped with the extrusion piece in the inboard of sealing washer body, the rear end of extrusion piece is equipped with the displacement piece, the extrusion piece passes through displacement piece and sealing washer body swing joint.

Preferably, the displacement block and the extrusion block are of an integrated structure, the displacement block and the extrusion block are made of rubber materials, one end of the displacement block is located at the inner side of the sealing ring body and is provided with a movable groove, and the displacement block is inserted into the inner side of the movable groove.

Preferably, springs are arranged at the upper end and the lower end of the displacement block and positioned at the inner sides of the movable grooves, the movable grooves are fixedly connected with the springs through bolts, and the displacement block is movably connected with the movable grooves through the springs.

Preferably, the upper end and the lower end of the extrusion block are inclined planes, and the bottom surface of the supporting block is mutually attached to the extrusion block.

Preferably, the support block and the connecting block are of an integrated structure, a guide groove is formed in the inner wall of the rear end of the connecting block, which is located on the convex surface, and the connecting block is inserted into the inner side of the guide groove.

Compared with the prior art, the utility model has the beneficial effects that:

when the sealing ring body is extruded, the displacement blocks drive the extrusion blocks to diffuse outwards through the pressure applied to the sealing ring body, and simultaneously, the upper ends and the lower ends of the extrusion blocks are inclined planes, the bottom surfaces of the supporting blocks are mutually attached to the extrusion blocks, so that the supporting blocks displace inside the guide grooves under the extrusion operation of the extrusion blocks, the upper ends and the lower ends of the convex surfaces are filled, gaps between the sealing ring body and sealing materials are completely filled, and the sealing performance of the sealing ring is improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic side view of the entire cross-sectional structure of the present utility model;

fig. 3 is a schematic view of a partial enlarged structure of the present utility model a.

In the figure: 1. a seal ring body; 2. a displacement block; 3. extruding a block; 4. a spring; 5. a movable groove; 6. a convex surface; 7. a support block; 8. a guide groove; 9. and (5) connecting a block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 3, an embodiment of the present utility model provides: the utility model provides a leak protection sealing washer, including sealing washer body 1, the outside of sealing washer body 1 is equipped with convex surface 6, the upper and lower both ends of convex surface 6 inner wall all are equipped with supporting shoe 7, the rear end of supporting shoe 7 is equipped with connecting block 9, supporting shoe 7 is through connecting block 9 and convex surface 6 swing joint, the rear position of supporting shoe 7 is equipped with extrusion piece 3 in the inboard of sealing washer body 1, the rear end of extrusion piece 3 is equipped with displacement piece 2, extrusion piece 3 is through displacement piece 2 and sealing washer body 1 swing joint, wholly when sealing washer body 1 receives the extrusion, receive pressure through sealing washer body 1 and make displacement piece 2 drive extrusion piece 3 spread outwards, in the spread outwards, both ends are the inclined plane about through extrusion piece 3, the bottom surface of supporting shoe 7 is laminated each other with extrusion piece 3, and then make supporting shoe 7 under the extrusion operation of extrusion piece 3, supporting shoe 7 is shifted in the guide way 8 inboard, thereby pack the upper and lower both ends of sealing washer body 1 and the clearance of sealing washer are filled completely, the leakproofness of sealing washer is improved.

The displacement piece 2 and the extrusion piece 3 are integrated into a whole, the displacement piece 2 and the extrusion piece 3 are made of rubber, one end of the displacement piece 2 is located inside the sealing ring body 1 and is provided with a movable groove 5, the displacement piece 2 is inserted into the inside of the movable groove 5, the upper end and the lower end of the displacement piece 2 are located inside the movable groove 5 and are respectively provided with a spring 4, the movable groove 5 and the springs 4 are fixedly connected through bolts, the displacement piece 2 is movably connected with the movable groove 5 through the springs 4, and then when the sealing ring body 1 is extruded, the displacement piece 2 is subjected to pressure to drive the extrusion piece 3 to spread outwards through the sealing ring body 1, the upper end and the lower end of the extrusion piece 3 are inclined planes, the bottom surface of the supporting piece 7 is mutually attached to the extrusion piece 3, the supporting piece 7 and the connecting block 9 are integrated into a whole, the rear end of the connecting block 9 is located inside the convex surface 6, the connecting block 9 is inserted into the inside of the guide groove 8, and further the supporting piece 7 is enabled to fill the upper end and the lower end of the convex surface 6 under the extrusion operation of the extrusion piece 3, so that the gap between the sealing ring body 1 and the sealing ring is completely filled with the sealing material, and the sealing performance is improved.

This sealing washer, at first detect whether each part is intact, whether detect the back, be equipped with convex surface 6 through the outside of sealing washer body 1, the upper and lower both ends of convex surface 6 inner wall all are equipped with supporting shoe 7, the back position of supporting shoe 7 is located the inboard of sealing washer body 1 and is equipped with displacement piece 2, the front end of displacement piece 2 is equipped with extrusion piece 3, extrusion piece 3 is through displacement piece 2 and sealing washer body 1 swing joint, displacement piece 2 and extrusion piece 3 are the rubber material, displacement piece 2 passes through spring 4 and movable groove 5 swing joint, and then when sealing washer body 1 receives the extrusion, receive pressure through sealing washer body 1 and make displacement piece 2 drive extrusion piece 3 outwards spread, in the time of outwards expanding, be the inclined plane through extrusion piece 3 upper and lower both ends, the bottom surface of supporting shoe 7 is laminated each other with extrusion piece 3, supporting shoe 7 and connecting block 9 are integrated into one piece structure, the rear end of connecting block 9 is located the inner wall of convex surface 6 and is equipped with guide slot 8, connecting block 9 peg graft in the inboard of guide slot 8, and then make supporting shoe 7 under the extrusion operation of extrusion piece 3, carry out the sealing washer 1 to the upper and lower both ends of filling of convex surface 6, thereby make sealing washer 1 and sealing washer completely sealed clearance completely seal.

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.

Claims

1. The utility model provides a leak protection sealing washer, includes sealing washer body (1), its characterized in that: the outside of sealing washer body (1) is equipped with convex surface (6), the upper and lower both ends of convex surface (6) inner wall all are equipped with supporting shoe (7), the rear end of supporting shoe (7) is equipped with connecting block (9), supporting shoe (7) are through connecting block (9) and convex surface (6) swing joint, the rear position of supporting shoe (7) is equipped with extrusion piece (3) in the inboard of sealing washer body (1), the rear end of extrusion piece (3) is equipped with displacement piece (2), extrusion piece (3) are through displacement piece (2) and sealing washer body (1) swing joint.

2. A leak-proof seal as defined in claim 1, wherein: the novel sealing ring is characterized in that the displacement block (2) and the extrusion block (3) are of an integrated structure, the displacement block (2) and the extrusion block (3) are made of rubber, one end of the displacement block (2) is located at the inner side of the sealing ring body (1) and is provided with a movable groove (5), and the displacement block (2) is inserted into the inner side of the movable groove (5).

3. A leak-proof seal as defined in claim 2, wherein: the upper end and the lower end of the displacement block (2) are both provided with springs (4) at the inner sides of the movable grooves (5), the movable grooves (5) are fixedly connected with the springs (4) through bolts, and the displacement block (2) is movably connected with the movable grooves (5) through the springs (4).

4. A leak-proof seal as defined in claim 1, wherein: the upper end and the lower end of the extrusion block (3) are inclined planes, and the bottom surface of the supporting block (7) is mutually attached to the extrusion block (3).

5. A leak-proof seal as defined in claim 4, wherein: the support block (7) and the connecting block (9) are of an integrated structure, the rear end of the connecting block (9) is located on the inner wall of the convex surface (6) and is provided with a guide groove (8), and the connecting block (9) is inserted into the inner side of the guide groove (8).