CN213331298U - Cylinder cover structure of integrated vacuum pump base - Google Patents
Cylinder cover structure of integrated vacuum pump base Download PDFInfo
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- CN213331298U CN213331298U CN202021703288.6U CN202021703288U CN213331298U CN 213331298 U CN213331298 U CN 213331298U CN 202021703288 U CN202021703288 U CN 202021703288U CN 213331298 U CN213331298 U CN 213331298U
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- vacuum pump
- cylinder cover
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Abstract
A cylinder cover structure of an integrated vacuum pump base belongs to the technical field of engines. The rear end of the cylinder cover is fixedly provided with a vacuum pump seat, the vacuum pump is installed and fixed on the vacuum pump seat, an exhaust cam shaft which is rotatably connected with the cylinder cover is rotatably connected with a central shaft of the vacuum pump, the exhaust cam shaft comprises five sections of shaft diameters, one section of the five sections of shaft diameters which is adjacent to the rear end of the cylinder cover is a fifth section of shaft diameter, a bearing seat of the cylinder cover corresponding to the fifth section of shaft diameter is provided with a first oil hole, the cylinder cover is provided with an oil way, the oil way is communicated with the first oil hole, and the oil way supplies oil. The utility model discloses the advantage lies in having avoided installing the vacuum pump in complicated front end train, makes engine overall structure more symmetrical. Meanwhile, the arrangement mode effectively saves space, is favorable for improving structural stability and saves cost. In addition, the bearing seat of the cylinder cover corresponding to the fifth section of shaft diameter is provided with the first oil hole, and the cylinder cover is provided with an oil way for supplying oil to the vacuum pump, so that the normal work of the vacuum pump is ensured.
Description
Technical Field
The utility model belongs to the technical field of the engine, concretely relates to cylinder cap structure of integrated vacuum pump seat.
Background
At present, most of automobile engines are equipped with a vacuum pump to provide power for a vacuum boosting system, the vacuum pump is mostly arranged in a front-end gear train of the engine in a common vacuum pump arrangement mode, but the front-end gear train is more complex and bloated due to the addition of the vacuum pump because other parts such as a generator, a compressor and the like are also arranged in the front-end gear train.
The engine cylinder head is used as a core part of the engine, mainly functions to seal the upper part of the cylinder, forms a combustion chamber together with the piston top and the cylinder wall, and bears the gas pressure in the cylinder. The cylinder head also typically contains air passages and provides mounting locations for valves and other components to ensure proper operation of the engine.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cylinder head structure of integrated vacuum pump seat under the prerequisite of guaranteeing current cylinder head function, provides one kind and increases the mode of vacuum pump seat in order to install the vacuum pump on the cylinder head to the solution arranges the drawback in the engine front end train with the vacuum pump.
Realize above-mentioned purpose, the utility model discloses the technical scheme who takes is:
the rear end of the cylinder cover is fixedly provided with the vacuum pump seat, the vacuum pump is fixedly installed on the vacuum pump seat, the rear end of the cylinder cover is provided with a shaft hole corresponding to the position of a central shaft of the vacuum pump, an exhaust cam shaft which is rotatably connected with the cylinder cover is rotatably connected with the central shaft of the vacuum pump, the exhaust cam shaft comprises five sections of shaft diameters, one section of the five sections of shaft diameters, which is adjacent to the rear end of the cylinder cover, is a fifth section of shaft diameter, a first oil hole is formed in a bearing seat of the cylinder cover corresponding to the fifth section of shaft diameter, an oil way is formed in the cylinder cover and is communicated with the first oil hole, and the oil way supplies oil.
The utility model discloses beneficial effect for prior art is:
the utility model discloses the advantage lies in having avoided installing the vacuum pump in complicated front end train, makes engine overall structure more symmetrical. And simultaneously the utility model discloses an arrangement effectively has saved the space, and is favorable to increasing structural stability, practices thrift the cost. In addition, an oil hole is formed in the fifth section of the shaft diameter of the exhaust camshaft, and an oil way is formed in the cylinder cover and used for supplying oil to the vacuum pump, so that the normal work of the vacuum pump is guaranteed.
Drawings
FIG. 1 is a top view of the installation position of the present invention;
FIG. 2 is a side view of the installation position of the present invention;
fig. 3 is a top view of the cylinder head of the present invention;
fig. 4 is a side view of the cylinder head of the present invention;
fig. 5 is a cross-sectional view of the oil passage on the cylinder head of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 3 at A;
FIG. 7 is a partial enlarged view of FIG. 4 at B;
fig. 8 is a partially enlarged view of fig. 5 at C.
The names and reference numbers of the components related to the above figures are as follows:
the cylinder cover 1, a first section oil way 1-1, a second section oil way 1-2, a third section oil way 1-3, a vacuum pump base 2, a vacuum pump 3 and an exhaust cam shaft 4.
Detailed Description
The technical solution of the present invention is further described in detail below with reference to the embodiments and the accompanying drawings, but not limited thereto, and all modifications or equivalent replacements of the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention should be covered by the protection scope of the present invention.
The first embodiment is as follows: as shown in fig. 1-8, the present embodiment discloses a cylinder head structure integrated with a vacuum pump base, wherein a vacuum pump base 2 is fixed at the rear end of the cylinder head 1, a vacuum pump 3 is fixed on the vacuum pump base 2, a shaft hole is arranged at the rear end of the cylinder head 1 corresponding to the central shaft position of the vacuum pump 3, an exhaust camshaft 4 rotatably connected with the cylinder head 1 is rotatably connected with the central shaft of the vacuum pump 3 (the exhaust camshaft 4 penetrates the shaft hole and is rotatably connected with the central shaft of the vacuum pump 3, the vacuum pump 3 is directly driven to operate by the exhaust camshaft 4, and the exhaust camshaft 4 is driven to rotate by a timing system), the exhaust camshaft 4 comprises five sections of shaft diameters, one section of the five sections of shaft diameters adjacent to the rear end of the cylinder head 1 is a fifth section of shaft diameter, and a first oil hole is arranged on a bearing block of the cylinder head 1 corresponding to the fifth section of shaft diameter (lubricating oil inside the exhaust camshaft 4 flows into the In the first oil hole), an oil path is arranged on the cylinder head, the oil path is communicated with the first oil hole, and the oil path supplies oil to the vacuum pump 3 (so that the vacuum pump 3 can work normally).
Further, the oil path is composed of three sections, wherein the three sections of oil paths are a first section of oil path 1-1, a second section of oil path 1-2 and a third section of oil path 1-3 respectively; the first section of oil path 1-1 is vertically downwards arranged from a fifth bearing seat of the cylinder cover 1 (a fifth bearing seat of a position array from the front end to the rear end of the cylinder cover 1), the third section of oil path 1-3 is vertically inwards arranged on the cylinder cover 1 at the position corresponding to the oil path of the vacuum pump 3, and the first section of oil path 1-1 and the third section of oil path 1-3 are communicated through a second section of oil path 1-2.
The utility model discloses guaranteeing under the original functional condition of cylinder head, increase the vacuum pump seat as vacuum pump mounting structure in the cylinder head rear end, increase the oil circuit and be the vacuum pump fuel feeding, directly utilize exhaust cam axle drive vacuum pump work. The utility model discloses when guaranteeing cylinder head and vacuum pump self function, the effectual space of having saved to be favorable to reduce cost, increase structural stability.
Claims (2)
1. The utility model provides a cylinder head structure of integrated vacuum pump seat which characterized in that: the rear end of the cylinder cover (1) is fixedly provided with a vacuum pump seat (2), the vacuum pump (3) is fixedly installed on the vacuum pump seat (2), the rear end of the cylinder cover (1) is provided with a shaft hole corresponding to the position of a central shaft of the vacuum pump (3), an exhaust cam shaft (4) which is rotatably connected with the cylinder cover (1) is rotatably connected with the central shaft of the vacuum pump (3), the exhaust cam shaft (4) comprises five sections of shaft diameters, one section of the five sections of shaft diameters, which is adjacent to the rear end of the cylinder cover (1), is a fifth section of shaft diameter, a first oil hole is formed in a bearing seat of the cylinder cover (1) corresponding to the fifth section of shaft diameter, an oil way is formed in the cylinder cover, the oil way is communicated with the first oil hole.
2. The cylinder head structure of an integrated vacuum pump mount according to claim 1, wherein: the oil path is composed of three sections, wherein the three sections of oil paths are a first section of oil path (1-1), a second section of oil path (1-2) and a third section of oil path (1-3); the first section of oil way (1-1) is vertically and downwards arranged from a fifth bearing seat of the cylinder cover (1), the third section of oil way (1-3) is vertically and inwards arranged on the cylinder cover (1) at the position corresponding to the oil way of the vacuum pump (3), and the first section of oil way (1-1) is communicated with the third section of oil way (1-3) through the second section of oil way (1-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021703288.6U CN213331298U (en) | 2020-08-14 | 2020-08-14 | Cylinder cover structure of integrated vacuum pump base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021703288.6U CN213331298U (en) | 2020-08-14 | 2020-08-14 | Cylinder cover structure of integrated vacuum pump base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213331298U true CN213331298U (en) | 2021-06-01 |
Family
ID=76096872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021703288.6U Active CN213331298U (en) | 2020-08-14 | 2020-08-14 | Cylinder cover structure of integrated vacuum pump base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213331298U (en) |
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2020
- 2020-08-14 CN CN202021703288.6U patent/CN213331298U/en active Active
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