CN210460881U

CN210460881U - Cylinder cover on engine

Info

Publication number: CN210460881U
Application number: CN201921493413.2U
Authority: CN
Inventors: 郑志新
Original assignee: Taizhou Yongyu Ind Co ltd
Current assignee: Taizhou Yongyu Ind Co ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-05-05
Anticipated expiration: 2029-09-09

Abstract

The utility model provides a cylinder head on engine belongs to cylinder head technical field. The problem that a radiating fin plate in an existing cylinder cover is easy to plastically deform is solved. This cylinder head on engine is including the cylinder cap main part that has the open slot, the one end outward flange that the cylinder cap main part is located the open slot is provided with a plurality of and links firmly mutually with the cylinder cap main part and is used for strengthening the engaging lug of cylinder cap main part and cylinder connection stability, the cylinder cap main part is located the upper surface of open slot department and is provided with the radiating element who is used for the heat dissipation and links firmly mutually with the cylinder cap main part, radiating element comprises coaxial setting of a plurality of and the degressive radiating ring in proper order of diameter outside-in, all leave the space between the double-phase adjacent radiating ring, the space department that the cylinder cap main part is located double-phase adjacent radiating ring all is provided with along space circumferencial direction. The utility model has the advantages of the heat dissipation ring is difficult for plastic deformation.

Description

Cylinder cover on engine

Technical Field

The utility model belongs to the technical field of the cylinder head, a cylinder head on engine is related to.

Background

The automobile is the most popular important vehicle in modern society, the engine burns gasoline to generate power to drive the automobile body, the cylinder cover of the automobile engine is arranged above the cylinder body, the cylinder is sealed from the upper part to form a combustion chamber, when the engine works, the temperature of the surface of the cylinder body and the cylinder cover is extremely high, the heat dissipation fin plate needs to be arranged to dissipate heat of the cylinder body and the cylinder cover, but the heat dissipation fin plate is in a long-term high temperature, if the heat dissipation is not timely, the heat dissipation fin plate can generate plastic deformation, and therefore the heat dissipation effect is influenced, and therefore, the heat dissipation fin plate which is good in heat dissipation effect and not easy to plastically deform is designed, and the research schedule of people is improved.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a cylinder head that the radiating effect is good, high joint strength, the difficult plastic deformation of heat dissipation fin.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a cylinder head on engine, is including the cylinder cap main part that has the open slot, its characterized in that, the one end outward flange that the cylinder cap main part is located the open slot be provided with a plurality of and the cylinder cap main part link firmly mutually and be used for strengthening the engaging lug of cylinder cap main part and cylinder connection stability, the cylinder cap main part is provided with the radiating element who is used for the heat dissipation and links firmly mutually with the cylinder cap main part on being located the upper surface of open slot department, radiating element constitute by the coaxial setting of a plurality of and the degressive radiating ring in proper order of diameter outside-in, all leave the space between the double-phase adjacent radiating ring, the space department that the cylinder cap main part is located the double-phase adjacent radiating ring all is provided with along space circumferencial direction.

In the cylinder cover of the engine, the number of the connecting lugs is four, the four connecting lugs are respectively arranged at the four corners of the cylinder cover main body, the middle parts of the connecting lugs are provided with the connecting holes, and the connecting lugs and the cylinder cover main body are integrally arranged.

In the cylinder cover on the engine, the lower end parts of the plurality of radiating rings axially penetrate through the upper surface of the cylinder cover main body and penetrate into the open grooves, and the height A of one end, penetrating into the open grooves, of each radiating ring is smaller than the height B of the open grooves.

In the cylinder cover on the engine, the middle parts of the upper end surfaces of the plurality of radiating rings are provided with radiating grooves which are axially and downwards sunken, and the height C of each radiating groove is smaller than the height D of each radiating ring.

In the cylinder cover of the engine, the open slot is internally provided with second reinforcing ribs which are distributed at intervals along the circumferential direction of the gap and fixedly connected with the two adjacent radiating rings at the gap penetrating into the two adjacent radiating rings in the open slot.

In the cylinder head on the foretell engine, the cylinder head main part be located the excircle limit of cooling ring and be provided with a plurality of along its circumferencial direction interval distribution and with the cylinder head main part link firmly keep off the ear mutually, a plurality of it is the setting of arc structure to link firmly keep off the ear, a plurality of it is provided with strengthening rib three to link firmly between fender ear and the adjacent cooling ring.

In the cylinder cover of the engine, the lower end parts of the fixed connection baffle lugs axially penetrate through the upper surface of the cylinder cover main body and penetrate into the open grooves.

In the cylinder cover of the engine, a fourth reinforcing rib is arranged between the fixedly connected retaining lug penetrating into the open slot and the radiating ring penetrating into the open slot.

Compared with the prior art, the cylinder cover on the engine has the following advantages:

1. the outer edge of one end, positioned at the open slot, of the cylinder cover main body is provided with a plurality of connecting lugs which are fixedly connected with the cylinder cover main body and used for enhancing the connection stability of the cylinder cover main body and the cylinder;

2. the cylinder cap main part is provided with the heat dissipation unit that is used for the heat dissipation and links firmly mutually with the cylinder cap main part on being located the upper surface of open slot department, the heat dissipation unit comprises coaxial setting of a plurality of and the degressive cooling ring in proper order of diameter outside-in, all leave the space between the double-phase adjacent cooling ring, the space department that the cylinder cap main part is located double-phase adjacent cooling ring all is provided with along space circumferencial direction interval distribution and make the strengthening rib that double-phase adjacent cooling ring links firmly mutually one, the setting of above-mentioned structure, under the condition that has the radiating effect, the intensity between the double-phase adjacent cooling ring has been improved, be difficult for producing plastic.

Drawings

Fig. 1 is a schematic top view of a cylinder head of the present engine.

Fig. 2 is a schematic bottom view of the cylinder head of the present engine.

Fig. 3 is a schematic cross-sectional view of the structure in the cylinder head on the present engine.

In the figure, 1, an open slot; 2. a cylinder head main body; 3. connecting lugs; 4. a heat dissipation unit; 5. a heat dissipation ring; 6. reinforcing ribs I; 7. a heat sink; 8. a second reinforcing rib; 9. fixedly connecting the baffle lugs; 10. reinforcing ribs III; 11. and a fourth reinforcing rib.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in figures 1, 2 and 3, the cylinder cover on the engine comprises a cylinder cover main body 2 with an open slot 1, the cylinder cover main body 2 is made of high-strength material, one end of the cylinder cover main body 2 with the open slot 1 is hermetically connected with a cylinder and forms a combustion chamber, the outer edge of one end of the cylinder cover main body 2, which is positioned at the open slot 1, is provided with a plurality of connecting lugs 3 which are fixedly connected with the cylinder cover main body 2 and used for enhancing the connection stability of the cylinder cover main body 2 and the cylinder, the outer peripheral wall of the cylinder cover main body 2, which is positioned between two adjacent connecting lugs 3, is provided with a plurality of radiating grooves which are axially distributed at intervals and used for enhancing the radiation, the upper surface of the cylinder cover main body 2, which is positioned at the open slot 1, is provided with a radiating unit 4 which is used for radiating heat and fixedly connected with the cylinder cover main body 2, the radiating unit 4 is composed, the cylinder cover main body 2 is provided with a first reinforcing rib 6 which is distributed at intervals along the circumferential direction of the gap and enables the two adjacent radiating rings 5 to be fixedly connected with each other, the lower end parts of the first reinforcing ribs 6 are fixedly connected with the upper end surface of the cylinder cover main body 2, the lower end parts of a plurality of radiating rings 5 axially penetrate through the upper surface of the cylinder cover main body 2 and are all penetrated into an open slot 1 in the cylinder cover main body 2, the height A of one end of each radiating ring 5 penetrating into the open slot 1 is smaller than the height B of the open slot 1, the middle parts of the upper end surfaces of a plurality of radiating rings 5 are all provided with radiating grooves 7 axially and downwards sunken to the open slot 1, the upper end surfaces of the radiating grooves 7 are flush with the upper end surfaces of the corresponding radiating rings 5, the height C of each radiating groove 7 is smaller than the height D of each radiating ring 5, and the height C of the heat dissipation groove 7 is greater than the height of the heat dissipation ring 5 on the upper surface of the cylinder head body 2.

Further saying, for the joint strength of strengthening cylinder cap main part 2 and cylinder body, the quantity of engaging lug 3 is four, set up respectively in cylinder cap main part 2's four corners department, the connecting hole that has the internal thread has been seted up at the middle part of engaging lug 3, and engaging lug 3 sets up with cylinder cap main part 2 as an organic whole and forms.

In order to strengthen the connection strength between the two adjacent radiating rings 5, reinforcing ribs two 8 which are distributed at intervals along the circumferential direction of the gap and fixedly connect the two adjacent radiating rings 5 are arranged at the gap between the two adjacent radiating rings 5 in the open groove 1 in the cylinder cover main body 2 and penetrate into the open groove 1, and the lower end parts of the reinforcing ribs two 8 are fixedly connected with the inner end surface of the cylinder cover main body 2.

Further saying in detail, in order to strengthen the joint strength of the outer circle of maximum diameter cooling ring 5, it is provided with a plurality of along its circumferencial direction interval distribution and with the outer circle edge of cooling ring 5 that cylinder cap main part 2 is located maximum diameter and link firmly fender ear 9, a plurality of that link firmly that fender ear 9 is the arc structure setting, a plurality of link firmly and be provided with strengthening rib three 10 between fender ear 9 and the adjacent cooling ring 5, the lower tip of strengthening rib three 10 with the up end of cylinder cap main part 2 links firmly mutually, a plurality of the lower tip that links firmly fender ear 9 all axially runs through the upper surface of cylinder cap main part 2 and all pierces through in open slot 1 in cylinder cap main part 2, link firmly that the one end height that fender ear 9 wore into in open slot 1 is less than height B of open slot 1, a plurality of it all is provided with between the cooling ring 5 that the maximum diameter was worn into in open slot 1 in cylinder cap main part 2 to link firmly fender ear 9 in open slot 1 and make it its to be provided with The reinforcing rib four 11 is fixedly connected with the cylinder cover main body 2, and the lower end part of the reinforcing rib four 11 is fixedly connected with the inner end face of the cylinder cover main body 2.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A cylinder head on an engine comprises a cylinder head main body (2) with an open slot (1), it is characterized in that the outer edge of one end of the cylinder cover main body (2) positioned at the open slot (1) is provided with a plurality of connecting lugs (3) which are fixedly connected with the cylinder cover main body (2) and used for enhancing the connection stability of the cylinder cover main body (2) and the cylinder, the upper surface of the cylinder cover main body (2) at the open slot (1) is provided with a heat radiation unit (4) which is used for heat radiation and is fixedly connected with the cylinder cover main body (2), the heat dissipation unit (4) is composed of a plurality of heat dissipation rings (5) which are coaxially arranged and the diameters of which are sequentially decreased from outside to inside, a gap is reserved between two adjacent heat dissipation rings (5), the cylinder cover main body (2) is arranged at the gap between the two adjacent radiating rings (5) and is provided with first reinforcing ribs (6) which are distributed at intervals along the circumferential direction of the gap and fixedly connect the two adjacent radiating rings (5).

2. The cylinder cover of the engine according to claim 1, wherein the number of the connecting lugs (3) is four, the connecting lugs are respectively arranged at four corners of the cylinder cover main body (2), a connecting hole is formed in the middle of each connecting lug (3), and the connecting lugs (3) and the cylinder cover main body (2) are integrally arranged.

3. The cylinder cover of the engine as claimed in claim 1, wherein the lower ends of the plurality of heat dissipating rings (5) axially penetrate the upper surface of the cylinder cover body (2) and penetrate into the open slot (1), and the height a of the end of the heat dissipating ring (5) penetrating into the open slot (1) is smaller than the height B of the open slot (1).

4. The cylinder head of the engine according to claim 1, wherein the middle of the upper end surface of each of the plurality of heat dissipating rings (5) is provided with a heat dissipating groove (7) which is recessed downward in the axial direction, and the height C of the heat dissipating groove (7) is smaller than the height D of the heat dissipating ring (5).

5. The cylinder cover on the engine according to claim 1, wherein the second reinforcing ribs (8) which are distributed at intervals along the circumferential direction of the gap and fixedly connect the two adjacent radiating rings (5) are arranged in the open groove (1) at the gap between the two adjacent radiating rings (5) penetrating into the open groove (1).

6. The cylinder cover on the engine according to claim 1, wherein the cylinder cover main body (2) is provided with a plurality of fixedly connected retaining lugs (9) which are distributed at intervals along the circumferential direction of the cylinder cover main body and fixedly connected with the cylinder cover main body (2) on the outer circumferential edge of the heat dissipation ring (5), the plurality of fixedly connected retaining lugs (9) are arranged in an arc structure, and a third reinforcing rib (10) is arranged between each fixedly connected retaining lug (9) and the adjacent heat dissipation ring (5).

7. The cylinder cover on an engine according to claim 6, wherein the lower end portions of the fixed stopping lugs (9) axially penetrate through the upper surface of the cylinder cover main body (2) and penetrate into the open slot (1).

8. The cylinder head of the engine according to claim 7, wherein a fourth reinforcing rib (11) is arranged between the fixed connection stopping lug (9) penetrating into the open slot (1) and the heat dissipation ring (5) penetrating into the open slot (1).