CN215673588U

CN215673588U - Anti-leakage combined gasket of automobile engine

Info

Publication number: CN215673588U
Application number: CN202121539212.9U
Authority: CN
Inventors: 戎誉剑
Original assignee: Zhejiang Zhongyu Hardware Co ltd
Current assignee: Zhejiang Zhongyu Hardware Co ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2022-01-28
Anticipated expiration: 2031-07-07

Abstract

The utility model relates to the technical field of combined gaskets, and discloses a leakage-proof combined gasket of an automobile engine, which comprises a metal outer ring, wherein a rubber inner ring is arranged on the inner surface of the metal outer ring, a clamping groove is formed in the front surface of the metal outer ring, a clamping pad is arranged on the outer surface of the rubber inner ring, the outer surface of the clamping pad is movably clamped with the clamping groove, a ring groove is formed in the side surface of the metal outer ring, a through hole is formed in the inner surface of the ring groove, and a fixing plate is fixedly sleeved on the inner surface of the through hole. This automobile engine's leak protection combination packing ring sets up the draw-in groove through the front at the metal outer lane to add the card pad at the surface of rubber inner circle, make the card pad be located the draw-in groove, the anti-rotation effect of reinforcing rubber inner circle avoids rotatory the breaking away from, and sets up the through-hole with the draw-in groove intercommunication in the inside of metal outer lane, utilizes the rotatory air that drives in the fly leaf extraction through-hole of threaded rod, reduces inside atmospheric pressure, realizes the side absorption, improves fixed effect, and the installation effect is good.

Description

Anti-leakage combined gasket of automobile engine

Technical Field

The utility model relates to the technical field of combined gaskets, in particular to a leakage-proof combined gasket of an automobile engine.

Background

The combined gasket is formed by integrally bonding and vulcanizing a rubber ring and a metal ring and is a sealing ring for sealing connection of threads and a flange, and the ring comprises a metal ring and a rubber sealing gasket.

The leak protection composite washer of current automobile engine in the use, because fixed cup joint is usually on the internal surface of metal outer lane in the rubber inner circle, however the fixed effect of rubber circle is relatively poor usually during in-service use, and the installation is troublesome, and the rubber inner circle has the rotation trend under the condition of side application of force, and then causes the condition that the rubber inner circle breaks away from the metal outer lane easily, the result of use is not good.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the leakage-proof combined gasket of the automobile engine, which has the advantages of improving the installation effect of the rubber inner ring and avoiding the deformation and abrasion of the rubber inner ring, and solves the problems in the background art.

The utility model provides the following technical scheme: the utility model provides an automobile engine's leak protection composite washer, includes the metal outer lane, the internal surface of metal outer lane is equipped with the rubber inner circle, the draw-in groove has been seted up in the front of metal outer lane, the surface of rubber inner circle is equipped with the card and fills up, the surface and the draw-in groove activity joint that block filled up, the annular has been seted up to the side of metal outer lane, the through-hole has been seted up to the internal surface of annular, the internal surface fixed cover of through-hole has connect the fixed plate, the internal surface screw thread of fixed plate has cup jointed the threaded rod, the terminal surface fixedly connected with fly leaf of threaded rod, the through-hole is linked together with the draw-in groove.

Preferably, the diameter of the movable plate is smaller than the inner diameter of the through hole, and the outer surface of the movable plate is movably sleeved with the through hole.

Preferably, the forward and backward feeding of the metal outer ring is fixedly connected with a fixing rod, the forward and backward surfaces of the metal outer ring are respectively provided with a backing ring, and the front surface of the backing ring is movably sleeved with the fixing rod.

Preferably, the front surface of the backing ring is kept horizontal with the front surface of the rubber inner ring, and the backing ring is positioned on the outer side of the rubber inner ring.

Preferably, the number of the clamping pads is six, the six clamping pads are distributed on the side face of the rubber inner ring at equal intervals, and the six clamping pads are made of rubber.

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

1. this automobile engine's leak protection combination packing ring sets up the draw-in groove through the front at the metal outer lane to add the card pad at the surface of rubber inner circle, make the card pad be located the draw-in groove, the anti-rotation effect of reinforcing rubber inner circle avoids rotatory the breaking away from, and sets up the through-hole with the draw-in groove intercommunication in the inside of metal outer lane, utilizes the rotatory air that drives in the fly leaf extraction through-hole of threaded rod, reduces inside atmospheric pressure, realizes the side absorption, improves fixed effect, and the installation effect is good.

2. This automobile engine's leak protection combination packing ring through the positive fixed connection dead lever at the metal outer lane, adds the backing ring and cup joints with the dead lever, guarantees that backing ring lateral surface and rubber inner circle keep the level, and the backing ring that is located the rubber inner circle outside realizes supporting protection to the rubber backing ring side, avoids external pressure to make the rubber inner circle warp, and the backing ring is located the outside of metal outer lane, undertakes wearing and tearing, reduces the wearing and tearing effect of metal outer lane, improves life.

Drawings

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

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

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is a schematic view of a structural metal outer ring of the present invention;

FIG. 5 is a schematic view of the rubber inner ring of the present invention.

In the figure: 1. a metal outer ring; 2. a rubber inner ring; 3. a card slot; 4. a clamping pad; 5. a ring groove; 6. a through hole; 7. a fixing plate; 8. a threaded rod; 9. a movable plate; 10. fixing the rod; 11. a backing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a leakage-proof combined gasket for an automobile engine comprises a metal outer ring 1, a rubber inner ring 2 is arranged on the inner surface of the metal outer ring 1, a clamping groove 3 is formed in the front surface of the metal outer ring 1, a clamping pad 4 is arranged on the outer surface of the rubber inner ring 2, the rubber inner ring 2 receives multi-side resistance when rotating by utilizing the clamping groove 3 and the clamping pad 4 to avoid sliding, and the installation stability is improved, the outer surface of the clamping pad 4 is movably clamped with the clamping groove 3, a ring groove 5 is formed in the side surface of the metal outer ring 1, an operation space of a threaded rod 8 is provided by utilizing the ring groove 5, a through hole 6 is formed in the inner surface of the ring groove 5, the clamping pad 4 clamped in the clamping groove 3 is adsorbed by changing the internal air pressure of the through hole 6, the stability is improved, a fixing plate 7 is fixedly sleeved on the inner surface of the through hole 6, the threaded rod 8 is sleeved on the inner surface of the fixing plate 7, and a movable plate 9 is driven to move by rotating the threaded rod 8, the reduction of the air pressure in the through hole 6 is realized, the movable plate 9 is fixedly connected to the end face of the threaded rod 8, and the through hole 6 is communicated with the clamping groove 3.

Referring to fig. 3-5, a diameter of the movable plate 9 is smaller than an inner diameter of the through hole 6, an outer surface of the movable plate 9 is movably sleeved with the through hole 6, the movable plate 9 is guaranteed to have certain sealing performance while moving, suction of the through hole 6 is achieved, a fixed rod 10 is fixedly connected to a front side and a back side of the metal outer ring 1, backing rings 11 are arranged on the front side and the back side of the metal outer ring 1, surface protection of the metal outer ring 1 is achieved through the backing rings 11, abrasion of a combined gasket is reduced, the front side of the backing rings 11 is movably sleeved with the fixed rod 10, the front side of the backing rings 11 is kept horizontal with the front side of the rubber inner ring 2, the rubber inner ring 2 is protected and supported, circumferential deformation is avoided, the service life is prolonged, the backing rings 11 are located on the outer side of the rubber inner ring 2, the number of the clamping pads 4 is six, the six clamping pads 4 are equidistantly distributed on the side of the rubber inner ring 2, and the clamping pads 4 made of rubber material can be integrally made with the rubber inner ring 2.

The working principle is as follows: when the rubber inner ring is installed, the clamping pad 4 on the outer surface of the rubber inner ring 2 is clamped in the clamping groove 3 of the metal outer ring 1, and the threaded rod 8 is rotated outwards, so that the threaded rod 8 drives the movable plate 9 to move outwards, and the fixing is completed; during assembly, the backing ring 11 is sleeved on the front and back surfaces of the metal outer ring 1 along the fixing rod 10, and the backing ring 11 is kept to be positioned on the outer side of the rubber inner ring 2.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automobile engine's leak protection composite washer, includes metal outer lane (1), its characterized in that: the internal surface of metal outer lane (1) is equipped with rubber inner circle (2), draw-in groove (3) have been seted up in the front of metal outer lane (1), the surface of rubber inner circle (2) is equipped with card pad (4), the surface and draw-in groove (3) activity joint of card pad (4), annular (5) have been seted up to the side of metal outer lane (1), through-hole (6) have been seted up to the internal surface of annular (5), fixed plate (7) have been cup jointed to the internal surface fixation of through-hole (6), threaded rod (8) have been cup jointed to the internal surface thread of fixed plate (7), the terminal surface fixedly connected with fly leaf (9) of threaded rod (8), through-hole (6) are linked together with draw-in groove (3).

2. The leak-proof composite gasket for an automobile engine as set forth in claim 1, wherein: the diameter of the movable plate (9) is smaller than the inner diameter of the through hole (6), and the outer surface of the movable plate (9) is movably sleeved with the through hole (6).

3. The leak-proof composite gasket for an automobile engine as set forth in claim 1, wherein: the positive and negative fixedly connected with dead lever (10) that advances of metal outer lane (1), the positive and negative of metal outer lane (1) all is equipped with backing ring (11), backing ring (11) openly cup joints with dead lever (10) activity.

4. The leak-proof composite gasket for an automobile engine as set forth in claim 3, wherein: the front surface of the backing ring (11) and the front surface of the rubber inner ring (2) are kept horizontal, and the backing ring (11) is located on the outer side of the rubber inner ring (2).

5. The leak-proof composite gasket for an automobile engine as set forth in claim 1, wherein: the number of the clamping pads (4) is six, the clamping pads (4) are distributed on the side face of the rubber inner ring (2) at equal intervals, and the clamping pads (4) are made of rubber.