CN221220647U

CN221220647U - Timing chain cover

Info

Publication number: CN221220647U
Application number: CN202322490670.3U
Authority: CN
Inventors: 陈翔; 刘俊; 曾义桃; 何智碧
Original assignee: Seres Group Co Ltd
Current assignee: Seres Group Co Ltd
Priority date: 2023-09-12
Filing date: 2023-09-12
Publication date: 2024-06-25
Anticipated expiration: 2033-09-12

Abstract

The utility model relates to a timing chain cover, which comprises a timing chain cover body, wherein a rubber storage groove is formed in the joint of a sealing surface of the timing chain cover, which is positioned among a cylinder body, a cylinder cover and the timing chain cover, and is filled with sealant, and a gap at the joint is filled with the sealant. The storage glue groove is formed in the combination position of the cylinder body, the cylinder cover and the timing chain cover, when the cylinder body, the cylinder cover and the timing chain cover are assembled, the sealing glue in the storage glue groove is extruded into a gap space of the combination position of the three parts through extrusion, so that the sealing performance of the position can be effectively improved, the risk of sealing failure is reduced, the problems that the strength and the design quality of the existing timing chain cover are uneven, the strength is weak in general, and sealing failure and oil seepage easily occur after long-time use are effectively solved.

Description

Timing chain cover

Technical Field

The utility model relates to the technical field of automobile engine power assemblies, in particular to a timing chain cover.

Background

According to the piston reciprocating type automobile engine structure, the sealing surfaces of the general timing chain cover, the cylinder body and the oil pan form an integral sealing area to protect the front end of the whole timing system, but because the sealing belt comprises a plurality of assembly parts such as the cylinder cover, the cylinder body and the oil pan, dimensional tolerance and assembly errors exist in all the parts, and further, the joint part of the sealing surfaces of all the parts can have a fall when the assembly is carried out, the whole contact surface cannot be guaranteed to be completely smooth, and therefore, the requirement on the installation sealing of the timing chain cover is very high.

When the engine is installed, the whole sealing belt of the timing chain cover is required to be glued and then assembled, meanwhile, the timing chain cover is required to have enough strength, and large deformation and sealing failure cannot be caused by vibration in the running process of the engine. The timing chain cover on the market mainly comprises two types, namely plastic and cast aluminum, and has uneven strength and design quality, weak strength generally exists, and the problem of sealing failure and oil seepage easily occurs after long-time use, so that the tightness of the timing chain cover is ensured.

Disclosure of utility model

In view of the above, the utility model provides a timing chain cover, which prevents the timing system from being polluted and damaged and also prevents the oil seepage problem at the timing end of the engine.

The timing chain cover provided by the utility model adopts the following technical scheme:

The timing chain cover comprises a timing chain cover body, wherein a glue storage groove is formed in the joint of a sealing surface of the timing chain cover, which is positioned among a cylinder body, a cylinder cover and the timing chain cover, and is filled with sealant, and the sealant fills gaps of the joint.

Optionally, the inboard of storing up the gluey groove is provided with the inclined plane, the inclination scope of inclined plane is 30 ~ 45, can guarantee that the sealed face forms triangle-shaped's storing up gluey groove when piece such as timing chain cover and cylinder body, cylinder cap are installed, can effectively strengthen the leakproofness of the sealed face of timing chain cover, reduces the sealed inefficacy problem that appears in this position.

Optionally, the longitudinal section in storage gluey groove is the U-shaped, can ensure cylinder body, cylinder cap and timing chain cover assembly time, in the gap space that the sealing gum that is located the storage gluey inslot and extrudees the junction of three to improved the leakproofness in this junction position, reduced sealed inefficacy risk.

Optionally, timing chain cover body and cylinder body, cylinder cap cover and oil pan cooperation seal set up in the engine front end, avoid the timing system to suffer pollution and damage, also can prevent that the oil seepage problem from appearing in the engine timing end.

Optionally, the timing chain cover body has air inlet VVT solenoid valve installation department, suspension support installation position and bent axle front oil blanket installation department, improves integrated effect.

Optionally, the front and the back of timing chain cover body all are provided with the strengthening rib, can improve timing chain cover bulk strength and NVH characteristic.

Optionally, a plurality of clamping parts used for clamping the machining clamp are arranged on the timing chain cover body.

Optionally, clamping part is provided with six, the left sealed face and the right sealed face of timing chain cover all are provided with clamping part, the cross section of clamping part is the rectangle, and clamping part can be regarded as the product machine and adds the position of holding of anchor clamps, also can regard as the sled point of instrument when the timing chain cover dismantles, improves the convenience.

Optionally, the timing chain cover body is the cast aluminum part, the timing chain cover body is through high pressure die casting integrated into one piece casting shaping, has reduced the quality of timing chain cover, has improved the intensity of timing chain cover.

In summary, the present utility model includes at least one of the following beneficial technical effects: the storage glue groove is formed in the combination position of the cylinder body, the cylinder cover and the timing chain cover, when the cylinder body, the cylinder cover and the timing chain cover are assembled, the sealing glue in the storage glue groove is extruded into a gap space of the combination position of the storage glue groove and the timing chain cover through extrusion, so that the sealing performance of the position can be effectively improved, and the risk of sealing failure is reduced.

Drawings

FIG. 1 is a front view of an embodiment of the present utility model;

FIG. 2 is a rear view of an embodiment of the present utility model;

FIG. 3 is an enlarged schematic view of the portion A of FIG. 2;

fig. 4 is an isometric view of an embodiment of the utility model.

Reference numerals illustrate: 1. a timing chain cover body; 2. a clamping part; 3. a glue storage groove; 4. and (5) an inclined plane.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-4.

The embodiment of the utility model discloses a timing chain cover.

Referring to fig. 1 to 4, a timing chain cover comprises a timing chain cover body 1, wherein the timing chain cover body 1 is an aluminum casting piece, and the timing chain cover body 1 is integrally cast and formed through high-pressure die casting, so that the quality of the timing chain cover is reduced, and the strength of the timing chain cover is improved. The sealing surface of the timing chain cover is provided with a glue storage groove 3 at the joint between the cylinder body, the cylinder cover and the timing chain cover, the glue storage groove 3 is filled with sealant, and the sealant fills gaps at the joint. The glue storage groove 3 is formed in the combination position of the cylinder body, the cylinder cover and the timing chain cover, when the cylinder body, the cylinder cover and the timing chain cover are assembled, the sealant in the glue storage groove 3 is extruded into a gap space of the combination position of the three through extrusion, so that the tightness of the position can be effectively improved, the risk of sealing failure is reduced, the problems that the strength and the design quality of the current timing chain cover are uneven, the strength is weak in general, and sealing failure and oil leakage easily occur after long-time use are effectively solved.

The timing chain cover body 1 adopts an aluminum casting, in the embodiment, the ADC12 is made of materials, has the advantages of high strength, light weight, low cost and the like, and is provided with mounting points, in the embodiment, the timing chain cover body 1 is provided with an air inlet VVT electromagnetic valve mounting part, a suspension bracket mounting position and a crankshaft front oil seal mounting part, the integration effect is improved, the universality is improved, and in the embodiment, the mounting boss forming mounting part is arranged on the timing chain cover body 1.

In this embodiment, timing chain cover body 1 and cylinder body, cylinder cap cover and oil pan cooperation are sealed to be set up in the engine front end, adopt this design scheme can effectively avoid timing system to suffer pollution and damage, also can effectively prevent that the engine timing end from appearing the oil seepage problem, improve sealed effect.

The front and the back of the timing chain cover body 1 are provided with reinforcing ribs, and the reinforcing ribs can improve the overall strength and NVH characteristics of the timing chain cover.

The longitudinal section of the glue storage tank 3 is U-shaped, so that when the cylinder body, the cylinder cover and the timing chain cover are assembled, sealant in the glue storage tank 3 can be extruded into a gap space at the joint of the three through extrusion, the sealing performance of the joint is improved, and the risk of sealing failure is reduced.

In the embodiment, the inner side of the glue storage groove 3 is provided with an inclined plane 4, the inclined angle of the inclined plane 4 ranges from 30 degrees to 45 degrees, and in the embodiment, the inclined plane 4 with the angle of 40 degrees is processed to be 3mm wide at the inner side of the timing chain cover. The design of the inclined plane 4 can ensure that the triangular glue storage groove 3 is formed on the sealing surface when the timing chain cover is installed with the cylinder body, the cylinder cover and other parts, so that the sealing performance of the sealing surface of the timing chain cover can be effectively enhanced, and the problem of sealing failure at the position is reduced.

The left sealing surface and the right sealing surface of the timing chain cover are both provided with clamping parts 2, in the embodiment, the clamping parts 2 are six, the left sealing surface and the right sealing surface of the timing chain cover are respectively provided with three machining clamping points, the cross section of the clamping parts 2 is rectangular, specifically, the clamping parts 2 are rectangular plates integrally formed in the timing chain cover body 1, the thickness range is 4-7mm, and in the embodiment, the thickness is 6mm. The clamping part 2 can be used as a clamping position of a clamp during product machining and also can be used as a prying point of a tool during the disassembly of the timing chain cover, so that convenience is improved.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. A timing chain cover, characterized in that: the timing chain cover comprises a timing chain cover body, wherein a rubber storage groove is formed in the joint of a sealing surface of the timing chain cover, which is positioned among a cylinder body, a cylinder cover and the timing chain cover, and is filled with sealant, and the sealant fills gaps of the joint; an inclined plane is arranged on the inner side of the glue storage groove, and the inclined angle of the inclined plane ranges from 30 degrees to 45 degrees; the longitudinal section of the glue storage groove is U-shaped.

2. The timing chain cover of claim 1, wherein: the timing chain cover body, the cylinder cover and the oil pan are matched and sealed to be arranged at the front end of the engine.

3. The timing chain cover of claim 1, wherein: the timing chain cover body is provided with an air inlet VVT electromagnetic valve installation part, a suspension bracket installation position and a crankshaft front oil seal installation part.

4. The timing chain cover of claim 1, wherein: the front and the back of the timing chain cover body are both provided with reinforcing ribs.

5. The timing chain cover of claim 1, wherein: the timing chain cover body is provided with a plurality of clamping parts for clamping the machining clamp.

6. The timing chain cover of claim 5, wherein: six clamping parts are arranged, the left sealing surface and the right sealing surface of the timing chain cover are both provided with clamping parts, and the cross section of each clamping part is rectangular.

7. The timing chain cover of claim 1, wherein: the timing chain cover body is an aluminum casting, and is integrally cast and formed through high-pressure die casting.