CN213838904U - Pump cover and rotary vane vacuum pump - Google Patents
Pump cover and rotary vane vacuum pump Download PDFInfo
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- CN213838904U CN213838904U CN202022287643.2U CN202022287643U CN213838904U CN 213838904 U CN213838904 U CN 213838904U CN 202022287643 U CN202022287643 U CN 202022287643U CN 213838904 U CN213838904 U CN 213838904U
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- pump
- bottom plate
- pump cover
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- cover
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Abstract
The utility model discloses a pump cover and rotary-vane vacuum pump, this pump cover are used for rotary-vane vacuum pump, the pump cover includes the bottom plate and sets up in the curb plate of bottom plate periphery, the curb plate perpendicular to the bottom plate, just the curb plate with the bottom plate cooperation encloses into the pump chamber, the pump chamber is used for holding rotary-vane vacuum pump's rotor, rotary-vane. Compared with the prior art, the utility model discloses a pump chamber sets up in the pump cover, and whole pump cover is the stamping workpiece, stamping forming that can be integrative to can save the process of machining center machining pump chamber, not only improve production efficiency, and can greatly reduced processing cost, simple structure, easily realization.
Description
Technical Field
The utility model relates to a vacuum pump technical field especially relates to a pump cover and rotary-vane vacuum pump.
Background
At present, automobile rotary-vane vacuum pump mainly by the pump body, the rotor, the axle, the spinning disk, parts such as air inlet check valve assembly and air inlet and outlet constitute, it makes the rotor rotatory through engine camshaft and vacuum pump connector when drive torque, thereby it rotates to drive the spinning disk, the upside of spinning disk divide into two appearance chambeies, the left side is the vacuum chamber, along with the rotation of spinning disk, its volume that holds the chamber is more and more big, thereby produce vacuum, and simultaneously, air inlet through being connected with vacuum booster and having the check valve makes vacuum booster increase vacuum, the right side chamber is the compression chamber, along with the rotation of spinning disk, its volume that holds the chamber is littleer and more, compress the engine with lubricating oil and the air of drawing from vacuum booster.
In the existing rotary-vane vacuum pump, a pump cavity is formed in a pump body, a rotor and a sliding vane are installed in the pump cavity, and an opening of the pump cavity is connected with a pump cover of a flat plate structure. Although the pump cover of the rotary-vane vacuum pump with the structural form is a conventional stamping part, the pump cavity on the pump body needs to be processed and formed in a processing center, and the processing cost is high, so that the problem is urgently solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to above-mentioned problem, provide a pump cover and rotary-vane vacuum pump to solve the problem that proposes in the above-mentioned background art.
The utility model aims at realizing through the following technical scheme:
the utility model provides a pump cover for rotary-vane vacuum pump, the pump cover includes the bottom plate and sets up in the curb plate of bottom plate periphery, the curb plate perpendicular to the bottom plate, just the curb plate with the bottom plate cooperation encloses into the pump chamber, the pump chamber is used for holding rotary-vane vacuum pump's rotor, rotary vane.
As a preferred embodiment of the present invention, the bottom plate is located on a side end surface in the pump chamber, and a notch for increasing the oil storage amount is provided.
As an optimized scheme of the utility model, lie in on the pump cover the oral area of pump chamber is formed with the step so that the installation sealing washer.
As a preferred scheme of the utility model, the one end of curb plate with the bottom plate is connected, just the other end of curb plate is provided with the collar that extends to the outside, the collar perpendicular to the curb plate.
As an optimized proposal of the utility model, a plurality of mounting holes are arranged on the mounting ring.
As an optimized proposal of the utility model, the bottom plate, the side plate and the mounting ring are of an integrated structure.
A rotary vane vacuum pump comprises a pump body, a pump cover, a rotor and a rotary vane, wherein the pump cover is the pump cover.
The beneficial effects of the utility model are that, compared with the prior art, the utility model discloses a pump chamber sets up in the pump cover, and whole pump cover is the stamping workpiece, stamping forming that can be integrative to can save the process of machining center machining pump chamber, not only improve production efficiency, and can greatly reduced processing cost, simple structure, easily realization.
Drawings
FIG. 1 is a cross-sectional schematic view of a pump cap;
fig. 2 is a schematic structural diagram of a pump cover.
In the figure:
1. a base plate; 2. a side plate; 3. a pump chamber; 4. a mounting ring; 5. a recess; 6. and (7) installing holes.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings. It is to be understood that the embodiments described herein are merely illustrative of the present invention and are not limiting thereof.
Referring to fig. 1 and 2, fig. 1 is a schematic cross-sectional view of a pump cover; fig. 2 is a schematic structural diagram of a pump cover.
In this embodiment, a pump cover for rotary vane vacuum pump, the pump cover includes bottom plate 1 and sets up in curb plate 2 of 1 periphery of bottom plate, curb plate 2 perpendicular to bottom plate 1, just curb plate 2 with bottom plate 1 cooperation encloses into pump chamber 3, pump chamber 3 is used for holding rotor, the rotary vane of rotary vane vacuum pump.
Specifically, in the present embodiment, a recess 5 for increasing the oil storage amount is provided on one end surface of the bottom plate 1 located in the pump chamber 3; further, lubricity and sealing performance can be improved.
Specifically, in this embodiment, a step is formed on the pump cover at the mouth of the pump cavity 3 to facilitate installation of a seal ring; and then can guarantee the leakproofness between the pump cover and the pump body.
Specifically, in this embodiment, one end of the side plate 2 is connected to the bottom plate 1, and the other end of the side plate 2 is provided with a mounting ring 4 extending outward, the mounting ring 4 is perpendicular to the side plate 2, a plurality of mounting holes 6 are formed in the mounting ring 4, and installation is facilitated.
In order to facilitate production and manufacture, in the present embodiment, the bottom plate 1, the side plate 2, and the mounting ring 6 are an integral structure.
Through setting up pump chamber 3 on the pump cover, and because whole pump cover is the stamping workpiece, stamping forming can be integrative to can save the process of machining center processing pump chamber 3, not only improve production efficiency, and can greatly reduced processing cost, simple structure, easily realization.
The embodiment also discloses a rotary vane vacuum pump, including the pump body, pump cover, rotor, rotary vane, the pump cover be as above the pump cover.
The above embodiments have been merely illustrative of the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and does not depart from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims.
Claims (7)
1. The utility model provides a pump cover for rotary-vane vacuum pump which characterized in that: the pump cover comprises a bottom plate and a side plate arranged on the periphery of the bottom plate, the side plate is perpendicular to the bottom plate, the side plate and the bottom plate are matched to enclose a pump cavity, and the pump cavity is used for containing a rotor and a rotary vane of the rotary vane type vacuum pump.
2. A pump cap according to claim 1, characterized in that: and a notch for increasing the oil storage amount is arranged on the end surface of one side of the bottom plate, which is positioned in the pump cavity.
3. A pump cap according to claim 2, characterized in that: a step is formed on the pump cover at the opening of the pump cavity so as to install a sealing ring.
4. A pump cap according to claim 3, characterized in that: one end of the side plate is connected with the bottom plate, the other end of the side plate is provided with a mounting ring extending outwards, and the mounting ring is perpendicular to the side plate.
5. A pump cap according to claim 4, characterized in that: a plurality of mounting holes are formed in the mounting ring.
6. A pump cap according to claim 5, characterized in that: the bottom plate, the side plate and the mounting ring are of an integrated structure.
7. The utility model provides a rotary vane vacuum pump, includes the pump body, pump cover, rotor, rotary vane, its characterized in that: the pump cover is a pump cover according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022287643.2U CN213838904U (en) | 2020-10-14 | 2020-10-14 | Pump cover and rotary vane vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022287643.2U CN213838904U (en) | 2020-10-14 | 2020-10-14 | Pump cover and rotary vane vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213838904U true CN213838904U (en) | 2021-07-30 |
Family
ID=77008837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022287643.2U Active CN213838904U (en) | 2020-10-14 | 2020-10-14 | Pump cover and rotary vane vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213838904U (en) |
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2020
- 2020-10-14 CN CN202022287643.2U patent/CN213838904U/en active Active
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