CN220748419U

CN220748419U - EGR valve gasket structure

Info

Publication number: CN220748419U
Application number: CN202322566376.6U
Authority: CN
Inventors: 陈浩
Original assignee: Changchun Xinli Seal Products Co ltd
Current assignee: Changchun Xinli Seal Products Co ltd
Priority date: 2023-09-21
Filing date: 2023-09-21
Publication date: 2024-04-09
Anticipated expiration: 2033-09-21

Abstract

The utility model discloses an EGR valve gasket structure, and belongs to the technical field of automobile exhaust gas recirculation systems; the utility model comprises a gasket body with a plurality of liquid passing holes sequentially arranged on a central axis; the plurality of liquid through holes form a first position end and a second position end on the central axis; the anti-reflection structure is formed on the inner diameter of the liquid passing hole at the first position end or the second position end, one end of the anti-reflection structure is fixedly connected with the inner wall of the liquid passing hole, and the other end of the anti-reflection structure extends towards the center of the liquid passing hole.

Description

EGR valve gasket structure

Technical Field

The utility model relates to the technical field of automobile exhaust gas recirculation systems, in particular to an EGR valve gasket structure.

Background

The EGR valve gasket, as shown in FIG. 1, this gasket is the gasket of individual layer stainless steel + fluororubber (SUS 301+ FKM) material, the gasket adopts half muscle seal structure, this kind of gasket structure is inconvenient when the assembly, the mounting hole has been seted up at this gasket both ends, through the mounting hole, be used for the fastener to use, A, B, C three through-hole has been seted up at the gasket middle part, the surface that the gasket is located three through-hole position is not coplanar (i.e. three through-hole position's surface one side is the convex state, the opposite side is concave state), and three through-hole diameter is unequal, A hole diameter is greater than B, C hole diameter, B, C two hole diameters are equal, easy dress is reversed during the installation, influence assembly efficiency, unable gasket of seeing after the installation simultaneously, thereby can not neglected loading, there is dress and neglected loading's risk.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide an EGR valve gasket structure which at least can solve the problem of reverse installation.

In order to achieve the above object, the present utility model provides the following technical solutions:

the utility model discloses an EGR valve gasket structure, comprising:

the central axis is provided with a gasket body with a plurality of liquid passing holes in sequence;

the plurality of liquid through holes form a first position end and a second position end on the central axis;

the inner diameter of the liquid passing hole at the first position end or the second position end is provided with an anti-reflection structure, one end of the anti-reflection structure is fixedly connected with the inner wall of the liquid passing hole, and the other end of the anti-reflection structure extends towards the center of the liquid passing hole.

Further, the anti-reflection structure comprises two anti-reflection structures, and the anti-reflection structures are symmetrically distributed on the inner wall of the liquid passing hole by taking the central axis as a center.

Further, the anti-reflection structure comprises a protruding part;

one end of the protruding part is fixedly connected with the inner wall of the liquid passing hole, and the other end of the protruding part extends towards the center of the liquid passing hole in a cantilever mode.

Further, the boss is formed with a first claw extending in the axial direction of the through-liquid hole so as to highlight the upper and lower surfaces of the gasket body.

Further, the anti-leakage structure is further included, and the anti-leakage structure is circumferentially distributed at the edge of the gasket body.

Further, the anti-leakage structure is a second claw formed at the edge of the gasket body, the second claw comprises a first claw portion and a roundabout portion, and two ends of the first claw portion are fixedly connected with the gasket body and the roundabout portion respectively.

Further, the second claw further comprises a second claw part;

the second claw part is fixedly connected with one end of the detour part far away from the first claw part and extends along the direction gradually far away from the gasket body.

In the technical scheme, the EGR valve gasket structure provided by the utility model has the beneficial effects that:

compared with the prior art, the EGR valve gasket structure has the advantages that the anti-reflection structure is additionally arranged on the inner wall of the A liquid passing hole with larger diameter in the three liquid passing holes, the anti-reflection structure comprises the protruding part and the first clamping jaw, the A liquid passing Kong Tuxian is enabled through the anti-reflection structure, so that an assembling person can obviously find the A liquid passing hole, the assembly is prevented from being reversed, the assembly efficiency is improved, the anti-leakage structure is circumferentially formed at the edge position of the gasket body, the anti-leakage structure is the second clamping jaw formed at the edge position of the gasket body, the assembled state of the gasket is displayed through the second clamping jaw, and whether the gasket is installed can be clearly distinguished through the five second clamping jaws during the assembly of the gasket body, so that the risk of neglected assembly is effectively avoided.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of a prior art gasket construction;

FIG. 2 is an isometric view of the disclosed EGR valve gasket structure;

FIG. 3 is a top view of the disclosed EGR valve gasket structure;

fig. 4 is an isometric view of another view of the disclosed EGR valve gasket construction.

Reference numerals illustrate:

1. a gasket body; 11. a, a liquid passing hole; 12. b, passing through the liquid hole; 13. c, passing through the liquid hole;

2. an anti-reflection structure; 21. a boss; 22. a first claw;

3. a leak-proof structure; 31. a second claw; 32. a first claw portion; 33. a detour part; 34. a second claw portion;

100. a central axis;

200. a first position end;

300. a second position end.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

See fig. 1;

the utility model EGR valve gasket structure includes: a gasket body 1;

a plurality of liquid through holes are sequentially formed in the central axis 100 of the gasket body 1, and a first position end 200 and a second position end 300 are formed in the central axis 100 by the plurality of liquid through holes;

the inner diameter of the via hole of the first position end 200 or the second position end 300 is formed with an anti-reflection structure 2, one end of the anti-reflection structure 2 is fixedly connected with the inner wall of the via hole, and the other end extends towards the center of the via hole.

Specifically, in this structure, the middle part of the central axis 100 in the length direction of the gasket body 1 is sequentially provided with an a liquid through hole 11, a B liquid through hole 12 and a C liquid through hole 13, wherein the diameter of the a liquid through hole 11 is larger than that of the B, C liquid through hole 13, the a liquid through hole 11 is located at a first position end 200 of a plurality of liquid through holes, the C liquid through hole 13 is located at a second position end 300 of a plurality of liquid through holes, in this embodiment, taking the inner diameter of the a liquid through hole 11 is provided with an anti-reflection structure 2 as an example, the a liquid through hole 11 is highlighted through the anti-reflection structure 2, so that the position of the a liquid through hole 11 can be found out remarkably, assembly fashionable dress is prevented, and assembly efficiency is improved;

as shown in fig. 2, the anti-reflection structure 2 preferably includes two anti-reflection structures and is symmetrically arranged on the inner wall of the through hole with the central axis 100 as a center.

Preferably, the anti-reflection structure 2 comprises a protruding portion 21, one end of the protruding portion 21 is fixedly connected with the inner wall of the through hole, and the other end extends towards the center of the through hole in a cantilever mode.

Specifically, referring to fig. 1 and 3, in the structure, two anti-reflection structures 2 are symmetrically arranged in the inner diameter of the liquid passing hole a 11, the anti-reflection structures 2 comprise a protruding portion 21, the protruding portion 21 is integrally formed on the inner wall of the liquid passing hole a 11 in a cantilever mode, one end of the protruding portion 21 is fixedly connected with the inner wall of the liquid passing hole a 11, the other end of the protruding portion extends towards the center of the liquid passing hole a along the diameter direction of the liquid passing hole a 11, and when assembling, an assembling person can conveniently and clearly see the directions of the first position end 200 and the second position end 300 of the liquid passing hole of the gasket, so that assembling efficiency is improved;

as shown in fig. 3, the boss 21 is preferably formed with a first claw 22 extending in the axial direction of the through-hole so as to highlight the upper and lower surfaces of the gasket body 1. Specifically, in this structure, this anti-reflection structure 2 includes bellying 21 and first jack catch 22, bellying 21 one end is connected with A through-hole 11 inner wall and extends towards A through-hole 11 center along A through-hole 11 diameter direction, bellying 21 terminal integrated into one piece has first claw 32, extend along through-hole axial through-hole through first claw 32, specific orientation gasket body 1 lower surface extends, and then make the lower surface of this gasket show, when the assembly, make things convenient for the assembler to see clearly gasket upper surface and lower surface, further improve assembly efficiency.

Referring to fig. 3, the gasket comprises a gasket body 1, and a leak-proof structure 3, wherein the leak-proof structure 3 is circumferentially arranged at the edge of the gasket body 1. The assembled state of the gasket is highlighted by the anti-neglected loading structure 3.

Preferably, the anti-leakage structure 3 is a second claw 31 formed at the edge of the gasket body 1, the second claw 31 includes a first claw portion 32 and a roundabout portion 33, two ends of the first claw portion 32 are fixedly connected with the gasket body 1 and the roundabout portion 33 respectively, the second claw 31 further includes a second claw portion 34, and the second claw portion 34 is fixedly connected at one end of the roundabout portion 33 away from the first claw portion 32 and extends in a direction gradually away from the gasket body 1.

Specifically, five second claws 31 are formed circumferentially and integrally at the edge of the gasket body 1, one end of a first claw 32 of each second claw 31 is fixedly connected with the gasket body 1, the other end of each second claw is connected with a roundabout part 33, the roundabout part 33 turns, the tail end of the roundabout part 33 is connected with a second claw 34, the tail end of the second claw 34 extends along the direction gradually far away from the gasket body 1, and the volume of the gasket body 1 is expanded through a leak-proof structure 3, so that the assembled state of the gasket is highlighted, and neglected loading is avoided.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

An egr valve gasket structure comprising:

a gasket body (1) with a plurality of liquid passing holes is sequentially arranged on the central axis (100);

the plurality of through-liquid holes form a first position end (200) and a second position end (300) on the central axis (100), and the through-liquid holes are characterized in that;

the inner diameter of the liquid passing hole of the first position end (200) or the second position end (300) is provided with an anti-reflection structure (2), one end of the anti-reflection structure (2) is fixedly connected with the inner wall of the liquid passing hole, and the other end of the anti-reflection structure extends towards the center of the liquid passing hole.
2. The EGR valve gasket structure of claim 1, wherein;

the anti-reflection structure (2) comprises two anti-reflection structures and is symmetrically distributed on the inner wall of the liquid passing hole by taking the central axis (100) as a center.
3. The EGR valve gasket structure according to claim 1 or 2, characterized in that;

the anti-reflection structure (2) comprises a protruding part (21);

one end of the protruding part (21) is fixedly connected with the inner wall of the liquid passing hole, and the other end of the protruding part extends towards the center of the liquid passing hole in a cantilever mode.
4. The EGR valve gasket structure of claim 3, wherein;

the boss (21) is formed with a first claw (22) extending in the axial direction of the through-liquid hole so as to highlight the upper and lower surfaces of the gasket body (1).
5. The EGR valve gasket structure of claim 1, wherein;

still include leak protection dress structure (3), gasket body (1) border position circumference has been laid leak protection dress structure (3).
6. The EGR valve gasket structure of claim 5, wherein;

the anti-leakage structure (3) is a second claw (31) formed at the edge of the gasket body (1), the second claw (31) comprises a first claw part (32) and a detour part (33), and two ends of the first claw part (32) are fixedly connected with the gasket body (1) and the detour part (33) respectively.
7. The EGR valve gasket structure of claim 6, wherein;

the second jaw (31) further comprises a second jaw portion (34);

the second claw part (34) is fixedly connected to one end of the detour part (33) far away from the first claw part (32) and extends along the direction gradually far away from the gasket body (1).