CN220705815U - Cylinder cover of automobile engine - Google Patents

Abstract

The utility model relates to the technical field of engine cylinder covers, in particular to an automobile engine cylinder cover, which comprises an upper cover, wherein a lower cover with a downward opening is fixedly arranged at the lower end of the upper cover, communicating pipes which are uniformly distributed left and right are connected between the upper cover and the lower cover, the front end and the rear end of each communicating pipe extend downwards, two mounting seats which are symmetrical front and rear are fixedly arranged at the lower end of each communicating pipe, heat absorbing plates are fixedly embedded at the mutually approaching ends of the upper cover and the lower cover, the upper heat absorbing plate and the lower heat absorbing plate are mutually close to each other and are uniformly distributed left and right, the upper heat absorbing plate and the lower heat absorbing plate have heat conductivity, meanwhile, after the heat absorbing plates are heated and spread, the connection between the upper cover and the lower cover is not influenced, the sealing effect is kept, the temperature in the lower cover is improved through air flow, and meanwhile, the upper cover and the lower cover which are arranged in an upper layer and the lower layer are fully contacted with a fixed box to exchange heat, and the heat dissipation effect is improved.

Description

Cylinder cover of automobile engine

Technical Field

The utility model relates to the technical field of engine cylinder covers, in particular to an automobile engine cylinder cover.

Background

The cylinder cover is arranged on the cylinder body, the cylinder is sealed from the upper part and forms a combustion chamber, the combustion chamber is always contacted with high-temperature high-pressure gas, so that the combustion chamber bears great thermal load and mechanical load, a cooling water jacket is arranged in the cylinder cover of the water-cooled engine, a cooling water hole on the lower end surface of the cylinder cover is communicated with a cooling water hole of the cylinder body, and circulating water is used for cooling high-temperature parts such as the combustion chamber;

under medium and large load, the integrated exhaust manifold is communicated with an external cooling system, excessive heat generated by engine combustion is absorbed through waterway circulation, the cylinder head is prevented from being excessively high in temperature and generated by combustion explosion, and a part of waterway extends on a cylinder head main water jacket aiming at the cylinder head water jacket of the integrated exhaust manifold to directly cover the integrated exhaust manifold so as to realize cooling of the integrated exhaust manifold. However, the main water jacket extends a part of the water channel to the exhaust side, and even cooling can be realized, but the water channel also needs to be from the water on the cylinder body to the cylinder cover, and the water channel cannot be completely contacted with the cylinder cover, so that the problems of low cooling efficiency and poor cooling precision exist.

Disclosure of Invention

The utility model aims to provide an automobile engine cylinder cover, which is used for overcoming the defects in the prior art.

According to the automobile engine cylinder cover, the automobile engine cylinder cover comprises an upper cover, a lower cover with downward openings is fixedly arranged at the lower end of the upper cover, communicating pipes which are uniformly distributed left and right are connected between the upper cover and the lower cover, the front end and the rear end of each communicating pipe extend downwards, two front-rear symmetrical mounting seats are fixedly arranged at the lower end of each communicating pipe, heat absorbing plates are fixedly embedded at the mutually approaching ends of the upper cover and the lower cover, the upper heat absorbing plates and the lower heat absorbing plates are mutually close to each other and are adhered to the communicating pipes which are uniformly distributed left and right, two fixing boxes which are bilaterally symmetrical are fixedly connected between the upper cover and the lower cover, communicating air pipes are fixedly arranged in the fixing boxes, the upper end and the lower end of each communicating air pipe are respectively communicated with the upper cover and the lower cover, a left air pipe and a right air pipe are fixedly arranged at the mutually far ends of each communicating air pipe, a guide plate which is obliquely arranged is fixedly arranged in the right air pipe, and the left end and the right end of each guide plate are downwards arranged in the right air pipe.

The beneficial effects of the utility model are as follows:

the upper heat absorbing plate and the lower heat absorbing plate have heat conductivity, and after the heat absorbing plates are heated and stretched, connection of the upper cover and the lower cover is not affected, a sealing effect is kept, temperature uniformity and performance in the lower cover are improved through air flow, and heat exchange is fully conducted with the fixed box through the upper cover and the lower cover which are arranged in an upper layer and a lower layer, so that a heat dissipation effect is improved.

Drawings

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

FIG. 2 is a schematic top view of the structure of FIG. 1 of the present utility model;

FIG. 3 is a schematic elevational view of the present utility model of FIG. 1;

FIG. 4 is a schematic side elevational view of the present utility model of FIG. 1;

FIG. 5 is a schematic cross-sectional view of A-A of FIG. 2 in accordance with the present utility model;

in the figure:

10. an upper cover; 11. a lower cover; 12. a fixed box; 13. a communicating pipe; 14. a mounting base; 15. a left trachea; 16. a right trachea; 17. a heat absorbing plate; 18. a communicating air pipe; 20. and a deflector.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present:

example 1:

referring to fig. 1-5, an automobile engine cylinder cover according to an embodiment of the utility model comprises an upper cover 10, a lower cover 11 with a downward opening is fixedly arranged at the lower end of the upper cover 10, a communicating pipe 13 which is uniformly distributed left and right is connected between the upper cover 10 and the lower cover 11, the front and rear ends of the communicating pipe 13 extend downwards, two mounting seats 14 which are symmetrically arranged front and rear are fixedly arranged at the lower end of each communicating pipe 13, heat absorbing plates 17 are fixedly embedded at the mutually approaching ends of the upper cover 10 and the lower cover 11, the upper and lower heat absorbing plates 17 are mutually close to each other and are mutually attached to the communicating pipe 13 which is uniformly distributed left and right, two fixing boxes 12 which are symmetrically arranged left and right are fixedly connected between the upper cover 10 and the lower cover 11, communicating air pipes 18 are fixedly arranged in the two fixing boxes 12, the upper and lower ends of the communicating air pipes 18 are respectively communicated with the upper cover 10 and the lower cover 11, left air pipes 15 and right air pipes 16 are fixedly arranged at the mutually far ends of the two communicating air pipes 18, a guide plate 20 which is obliquely arranged in the right air pipe 16 is fixedly arranged in the right air pipe 16, and the left end of the guide plate 20 is upwards and right end of the guide plate is downwards arranged in the right air pipe 16;

the lower cover 11 with the downward opening is arranged downwards to prevent the top cover part of the engine from being connected with the mounting seat 14 through a threaded fixing piece, the communicating pipe 13 is communicated with a cooling water pipe at the outer end of the engine, the lower cover 11 is abutted and fixed with the top end of the engine, the upper cover 10 is arranged on the engine, the cooling water pipe communicated with the communicating pipe 13 is used for providing cooling liquid in the fixed box 12 for cooling, the heat absorbing plates 17 are abutted on the periphery of the fixed box 12 and arranged up and down, the heat in the upper cover 10 and the lower cover 11 is absorbed, the heat is exchanged through the cooling liquid flowing in the fixed box 12, the air is communicated with the right air pipe 16 through the left air pipe 15, the air flowing out of the left air pipe is communicated with the lower air pipe 18 under the working state of the left air pipe 15, the air flowing out of the right air pipe is guided by the inclined guide plate 20 to flow into the upper cover 10, the left air pipe and the right air pipe is communicated with the lower air pipe 18, the upper cover 10 exchanges heat with the cooling liquid flowing out of the lower cover 11 through the left air pipe 15, the air is uniformly distributed along the lower air pressure of the lower cover 11, and the temperature of the air is increased along the lower air pressure of the lower cover is increased.

It will be apparent to those skilled in the art that various modifications to the above embodiments may be made without departing from the general spirit and concepts of the utility model. Which fall within the scope of the present utility model. The protection scheme of the utility model is subject to the appended claims.

Claims (4)

1. An automotive engine head comprising an upper cover (10), characterized in that: the lower extreme of upper cover (10) has set firmly opening decurrent lower cover (11), upper cover (10) with be connected with between lower cover (11) about evenly distributed communicating pipe (13), both ends down extend around communicating pipe (13), every the lower extreme of communicating pipe (13) has all set firmly two front and back symmetrical mount pad (14), upper cover (10) with the end that is close to each other of lower cover (11) has all set firmly absorber plate (17), upper and lower two absorber plate (17) are close to each other laminating about evenly distributed communicating pipe (13).

2. An automotive engine head as claimed in claim 1, wherein: two bilaterally symmetrical fixing boxes (12) are fixedly connected between the upper cover (10) and the lower cover (11), communication air pipes (18) are fixedly arranged in the two fixing boxes (12), and the upper end and the lower end of each communication air pipe (18) are respectively communicated with the upper cover (10) and the lower cover (11).

3. An automotive engine head as claimed in claim 2, wherein: the mutually far ends of the two communicating air pipes (18) are respectively communicated and fixedly provided with a left air pipe (15) and a right air pipe (16).

4. A vehicle engine head as claimed in claim 3, wherein: the right air pipe (16) is internally fixedly provided with a guide plate (20) which is obliquely arranged, and the left end of the guide plate (20) is downwards arranged in the right air pipe (16) towards the right end.