CN215292708U - Cylinder head cover with liquid drainage function - Google Patents
Cylinder head cover with liquid drainage function Download PDFInfo
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- CN215292708U CN215292708U CN202120595949.6U CN202120595949U CN215292708U CN 215292708 U CN215292708 U CN 215292708U CN 202120595949 U CN202120595949 U CN 202120595949U CN 215292708 U CN215292708 U CN 215292708U
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- head cover
- cylinder head
- hole
- drainage
- cover body
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Abstract
The utility model discloses a cylinder head cover with liquid drainage function, which is used for a longitudinal engine and is characterized in that the cylinder head cover comprises a cylinder head cover body, the middle of the top of the cylinder head cover body is inwards sunken to form a sunken part, the sunken part is separated by a reinforcing rib to form at least two sunken grooves, and the side wall of the bottom of the reinforcing rib is provided with a through hole, so that the adjacent sunken grooves are communicated with each other; the rear end side wall of the cylinder head cover body is provided with a drainage hole, the drainage hole is coaxial with the through hole, the drainage hole is located at the lowest position of the through hole, relative to the cylinder head cover body in a finished automobile state, of the cylinder head cover body, and the drainage hole is communicated with the depressed groove. The utility model discloses utilize engine inclination mounting means to carry out the drainage flowing back, solve the problem of the easy hydrops of cylinder head cover of two overhead camshaft engines among the prior art.
Description
Technical Field
The utility model relates to an engine parts field specifically is a cylinder head cover of area flowing back function.
Background
The cylinder head cover serves as an engine cylinder head cover member, and functions to cover and seal the cylinder head, keeping the engine oil inside, while isolating contaminants such as dirt and moisture from the outside. The cylinder head cover middle part is provided with normally and installs ignition coil etc. invisible, when the washing vehicle, can have the unable discharge of hydrops on the cylinder head cover of engine usually, can only rely on natural evaporation. Long-time liquid accumulation can have the influence of corrosion on the oil sprayer.
In order to solve the above problems, chinese patent CN202081998U discloses a cylinder head cover of an automobile engine, which has a drainage channel at the bottom to make the cylinder head satisfy the requirement of natural drainage. However, the fuel injector of the existing dual overhead camshaft engine is arranged between the two camshafts, so the middle part of the cylinder head cover needs to be designed into a concave part, and the middle part needs to be provided with a reinforcing rib interval. Both of the above-described structures are therefore not suitable for use in a dual overhead camshaft engine.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned current defect, the utility model aims to provide a take cylinder head cover of flowing back function utilizes the installation of engine inclination angle mode to carry out the drainage flowing back, solves the problem of the easy hydrops of cylinder head cover of two overhead camshaft engines among the prior art.
The technical scheme of the utility model as follows:
a cylinder head cover with a liquid drainage function is used for a longitudinally-arranged engine and comprises a cylinder head cover body, wherein the middle of the top of the cylinder head cover body is inwards sunken to form a sunken part, the sunken part is separated by reinforcing ribs to form at least two sunken grooves, and through holes are formed in the side walls of the bottoms of the reinforcing ribs so that the adjacent sunken grooves are communicated with one another;
the rear end side wall of the cylinder head cover body is provided with a drainage hole, the drainage hole is coaxial with the through hole, the drainage hole is located at the lowest position of the through hole, relative to the cylinder head cover body in a finished automobile state, of the cylinder head cover body, and the drainage hole is communicated with the depressed groove.
The utility model discloses the through-hole is established to strengthening rib bottom lateral wall between the depressed center of cylinder head cover body, then is provided with the drainage hole on the rear end lateral wall of cylinder head cover body, indulges to put engine integral erection and has an engine inclination when putting in order the car, consequently the hydrops of the depressed center department on the engine cylinder head cover body when rainy day, carwash or engine wash receive the action of gravity, flow through the drainage hole on the rear end lateral wall of cylinder head cover body by the through-hole of strengthening rib, install the drainage tube and carry out the drainage and discharge. The drainage structure of the utility model utilizes the installation mode of the engine inclination angle to conduct drainage and drainage, overcomes the drainage limitation that the cylinder head cover body is sunken and has a reinforcing rib structure, and the cylinder head cover body at the rear end of the engine inclination angle is provided with the drainage hole, thereby reducing the length of accumulated liquid circulation, reducing the drainage resistance and having high drainage efficiency, thereby solving the problem of accumulated water drainage of the cylinder head cover body; the drainage hole sets up on the rear end lateral wall, has reduced the hydrops and has discharged the influence to the key air intake and exhaust part of engine. The drainage hole is simple in structure, each through hole and the drainage hole can be processed in a drilling mode, the processing method is simple, the cost is low, the drainage hole is easy to popularize, and the purpose is achieved.
Specifically, a vertical groove is formed between the concave groove close to the rear end of the cylinder head cover body and the drainage hole.
Specifically, the through hole has the same inner diameter as the drainage hole. The through holes and the drainage holes are coaxially arranged, so that the drainage holes can be conveniently machined on the side wall of the rear end of the cylinder head cover body firstly, then the through holes are vertically machined, the through holes and the drainage holes can be machined by adopting a drill bit for one-time drilling, the machining procedures are reduced, and the machining cost is reduced.
The utility model discloses prior art's main difference and beneficial effect do:
(1) the drainage structure of the utility model utilizes the installation mode of the engine inclination angle to conduct drainage and drainage, overcomes the drainage limitation that the cylinder head cover body is sunken and has a reinforcing rib structure, and the cylinder head cover body at the rear end of the engine inclination angle is provided with the drainage hole, thereby reducing the length of accumulated liquid circulation, reducing the drainage resistance and having high drainage efficiency, thereby solving the problem of accumulated water drainage of the cylinder head cover body;
(2) the utility model discloses a processing of once drilling just can process out the through-hole with the drainage hole, manufacturing procedure is simple, the cost is reduced.
Drawings
Fig. 1 is a schematic view of a cylinder head cover with a liquid discharge function according to an embodiment of the present invention.
Fig. 2 is a cross-sectional view of a cylinder head cover with a liquid discharge function according to an embodiment of the present invention.
In the figure, 100-cylinder head cover body, 110-first sunken groove, 120-second sunken groove, 130-third sunken groove, 140-fourth sunken groove, 150-first reinforcing rib, 160-second reinforcing rib, 170-third reinforcing rib, 180-fourth reinforcing rib, 200-first through hole, 300-second through hole, 400-third through hole, 500-fourth through hole, 600-drainage hole and vertical groove 700.
Detailed Description
In order to explain the technical content, the achieved objects and the effects of the present invention in detail, the following description is made in conjunction with the embodiments and the accompanying drawings.
Fig. 1 and fig. 2 are schematic structural diagrams of a cylinder head cover with a liquid discharge function according to the present application, and an engine in the present embodiment is referred to as a four-cylinder longitudinal engine, which is not limited to this. The cylinder head cover with the liquid drainage function comprises a cylinder head cover body 100, wherein the middle of the top of the cylinder head cover body 100 is inwards recessed to form a recessed part, the recessed part is separated by reinforcing ribs to form four recessed grooves which are respectively a first recessed groove 110, a second recessed groove 120, a third recessed groove 130 and a fourth recessed groove 140, namely a first reinforcing rib 150 is arranged between the first recessed groove 110 and the second recessed groove 120, a second reinforcing rib 160 is arranged between the second recessed groove 120 and the third recessed groove 130, and a third reinforcing rib 170 is arranged between the third recessed groove 130 and the fourth recessed groove 140; correspondingly, the side wall of the bottom of the first reinforcing rib 150 is provided with a first through hole 200, the side wall of the bottom of the second reinforcing rib 160 is provided with a second through hole 300, and the side wall of the bottom of the third reinforcing rib 170 is provided with a third through hole 400, so that the four adjacent concave grooves are communicated with each other through the through holes; the rear end side wall of the cylinder head cover body 100 is provided with a drainage hole 600, the drainage hole 600 is coaxially arranged with the first through hole 200, the second through hole 300 and the third through hole 400, the drainage hole 600 is located at the lowest position of the cylinder head cover body 100 relative to the through holes when the cylinder head cover body is installed in a whole vehicle, and the drainage hole 600 is communicated with the fourth depressed groove 140.
The liquid drainage principle of the cylinder head cover is as follows: the utility model discloses the through-hole is established to strengthening rib bottom lateral wall between each depressed groove of cylinder head cover body 100, then is provided with drainage hole 600 on the rear end lateral wall of cylinder head cover body 100, indulges to put engine integral erection and has an engine inclination when putting in order the car, consequently the hydrops of the depressed groove department on engine cylinder head cover body 100 when rainy day, carwash or engine wash receive the action of gravity, flow through drainage hole 600 on the rear end lateral wall of cylinder head cover body by the through-hole of strengthening rib, it carries out the drainage and discharges to install the drainage tube. The drainage structure of the embodiment utilizes an engine inclination angle installation mode to conduct drainage and drainage to form an inclined drainage channel, overcomes the drainage limitation that a cylinder head cover body is sunken and has a reinforcing rib structure, and is provided with the drainage hole in the cylinder head cover body 100 at the rear end of the engine inclination angle, so that the length of accumulated liquid circulation is reduced, the drainage resistance is reduced, and the drainage efficiency is high, thereby solving the problem of accumulated water drainage of the cylinder head cover body 100; the drainage holes 600 are formed in the side wall of the rear end, so that the influence of accumulated liquid discharge on key air inlet and exhaust parts of an engine is reduced; each through-hole with the drainage hole all can adopt drilling mode processing, and processing method is simple, and is with low costs, and easy the popularization has reached the utility model discloses a purpose.
As a preferable aspect of this embodiment, the inner diameters of the first through hole 200, the second through hole 300, and the third through hole 400 are the same as the inner diameter of the drainage hole 600. The through hole and the drainage hole 600 are coaxial and arranged in an equal diameter mode, so that the drainage hole 600 is machined on the side wall of the rear end of the cylinder head cover body 100, then the drill bit continuously penetrates through the drainage hole 600 to vertically and sequentially machine the third through hole 400, the second through hole 300 and the first through hole 200, the through hole and the drainage hole 600 can be machined by drilling the drill bit once, machining procedures are reduced, and machining cost is reduced.
In some embodiments, a vertical groove 700 is further provided between the fourth recessed groove 140 and the drainage hole 600, as shown in fig. 1 and 2, and accordingly, the fourth through hole 500 is provided on the fourth reinforcing rib 180 on one side wall of the vertical groove 700, and the drainage hole 600 is provided on the inner wall of the rear end of the cylinder head cover body 100 on the other side wall of the vertical groove 700; the vertical slots 700 may be specifically added according to engine requirements.
Although the invention has been described in detail and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that modifications and improvements can be made thereto. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (3)
1. A cylinder head cover with a liquid drainage function is used for a longitudinally-arranged engine and is characterized by comprising a cylinder head cover body, wherein the middle of the top of the cylinder head cover body is inwards sunken to form a sunken part, the sunken part is separated by reinforcing ribs to form at least two sunken grooves, and the side wall of the bottom of each reinforcing rib is provided with a through hole so that the adjacent sunken grooves are communicated with each other;
the rear end side wall of the cylinder head cover body is provided with a drainage hole, the drainage hole is coaxial with the through hole, the drainage hole is located at the lowest position of the through hole, relative to the cylinder head cover body in a finished automobile state, of the cylinder head cover body, and the drainage hole is communicated with the depressed groove.
2. The head cover with the liquid discharge function according to claim 1, characterized in that a vertical groove is provided between the recessed groove near the rear end of the head cover body and the drainage hole.
3. The cylinder head cover with the liquid drainage function according to claim 1, wherein the through hole and the drainage hole have the same inner diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120595949.6U CN215292708U (en) | 2021-03-24 | 2021-03-24 | Cylinder head cover with liquid drainage function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120595949.6U CN215292708U (en) | 2021-03-24 | 2021-03-24 | Cylinder head cover with liquid drainage function |
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| Publication Number | Publication Date |
|---|---|
| CN215292708U true CN215292708U (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120595949.6U Active CN215292708U (en) | 2021-03-24 | 2021-03-24 | Cylinder head cover with liquid drainage function |
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| Country | Link |
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| CN (1) | CN215292708U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963261A (en) * | 2021-03-24 | 2021-06-15 | 广西玉柴机器股份有限公司 | Cylinder head cover with liquid drainage function |
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2021
- 2021-03-24 CN CN202120595949.6U patent/CN215292708U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963261A (en) * | 2021-03-24 | 2021-06-15 | 广西玉柴机器股份有限公司 | Cylinder head cover with liquid drainage function |
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