CN212717162U - Pump body assembly and rotor compressor - Google Patents
Pump body assembly and rotor compressor Download PDFInfo
- Publication number
- CN212717162U CN212717162U CN202021562761.3U CN202021562761U CN212717162U CN 212717162 U CN212717162 U CN 212717162U CN 202021562761 U CN202021562761 U CN 202021562761U CN 212717162 U CN212717162 U CN 212717162U
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- pressure cavity
- pump body
- cylinder
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Abstract
The utility model discloses a pump body component and a rotor compressor, wherein the pump body component comprises a cylinder; the cylinder is rotatably connected with a roller in the inner cavity and is slidably connected with a sliding sheet in a sliding sheet groove; one end of the sliding sheet driven by the sliding sheet extends out of the sliding sheet groove and is always abutted against the roller, so that the inner cavity of the cylinder is divided into a high-pressure cavity and a low-pressure cavity by the sliding sheet and the roller; the high-pressure cavity and the low-pressure cavity are communicated through a gas passage, and a valve is arranged in the gas passage; when invalid compressed refrigerants are generated in the high-pressure cavity, the valve is opened, and the gas passing channel is used for enabling the invalid compressed refrigerants to enter the low-pressure cavity from the high-pressure cavity. Pump body subassembly, introduce the low pressure side of inhaling to the invalid compression refrigerant between gas vent and the slide groove, improved the efficiency, improved the reliability.
Description
Technical Field
The utility model belongs to the refrigeration field especially relates to a pump body subassembly and rotor compressor.
Background
When the rotor compressor works, the position of the exhaust port at the compression tail end must keep a certain angle with the slide sheet, a certain clearance volume must exist at the exhaust port, and gas in the clearance volume cannot be exhausted after being compressed, so that the rotor compressor becomes ineffective compression.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pump body subassembly and rotor compressor carries out the drainage to the gas in the clearance volume here, prevents the overcompression.
In order to achieve the above object, the utility model discloses a concrete technical scheme of pump body subassembly and rotor compressor as follows:
a pump body assembly comprising a cylinder; the cylinder is rotatably connected with a roller in the inner cavity and is slidably connected with a sliding sheet in a sliding sheet groove; one end of the sliding sheet driven by the sliding sheet extends out of the sliding sheet groove and is always abutted against the roller, so that the inner cavity of the cylinder is divided into a high-pressure cavity and a low-pressure cavity by the sliding sheet and the roller; the high-pressure cavity and the low-pressure cavity are communicated through a gas passage, and a valve is arranged in the gas passage; when invalid compressed refrigerants are generated in the high-pressure cavity, the valve is opened, and the invalid compressed refrigerants enter the low-pressure cavity from the high-pressure cavity through the air passage.
Furthermore, an air inlet of the air passing channel is communicated with the high-pressure cavity and is positioned beside the sliding sheet.
Furthermore, an air outlet of the air passing channel is communicated with the low-pressure cavity and is positioned beside the sliding sheet.
Further, the valve is a one-way valve.
Furthermore, the valve comprises a valve core, a valve port is arranged in the air passage, and the valve core is driven by the elastic part to abut against the valve port so as to seal the valve port; when the pressure difference of the high pressure cavity relative to the low pressure cavity to the valve core is greater than the thrust of the elastic part to the valve core, the valve is automatically opened.
Further, the elastic member is a spring.
Further, the air passing channel is arranged on the cylinder.
Further, the air passing channel is arranged on flanges on two sides of the air cylinder.
Furthermore, the air passing channel comprises a mounting section, and the mounting section axially extends to the wall surface to form an insertion end; the inserting end is used for inserting the valve core and is fixedly connected with a cover plate.
A rotor compressor comprises the pump body assembly.
The utility model discloses a pump body subassembly and rotor compressor have following advantage: the utility model adopts the structure that the flange/cylinder is provided with the one-way valve channel, and the invalid compressed refrigerant between the exhaust port and the slide sheet groove is introduced into the low-pressure air suction side, so as to release the energy of the invalid compressed gas and improve the energy efficiency; meanwhile, the resistance effect generated when the sealing space between the exhaust port and the slide sheet groove is further compressed is eliminated, and the reliability is improved.
Drawings
FIG. 1 is a top view of the pump body assembly of the present invention;
fig. 2 is a cross-sectional view of the pump body assembly of the present invention.
The notation in the figure is:
1. a cylinder; 2. a roller; 3. sliding blades; 4. a high pressure chamber; 5. a low pressure chamber; 6. a gas passage; 61. a valve port; 62. an installation section; 7. a valve; 71. a valve core; 72. a spring; 73. and (7) a cover plate.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, the following description is made in detail with reference to the accompanying drawings.
The utility model discloses a rotor compressor, rotor compressor inner chamber are provided with pump body subassembly and motor element, and through motor drive pump body subassembly motion, pump body subassembly is breathed in and is compressed to motor element from the reservoir, accomplishes the compression motion.
As shown in fig. 1, the pump block assembly includes a cylinder 1. The cylinder 1 has an inner cavity and a slide groove provided on an inner wall. The cylinder 1 rotates in the inner chamber and is connected with roller 2, and sliding connection has gleitbretter 3 in the gleitbretter groove, and gleitbretter 3 receives elastic component drive one end to stretch out the gleitbretter groove and with roller 2 butt all the time to cylinder 1 inner chamber is separated for high pressure chamber 4 and low pressure chamber 5 by gleitbretter 3 and roller 2.
As shown in connection with fig. 2, the high pressure chamber 4 and the low pressure chamber 5 communicate through a gas passage 6. The inlet of the air passage 6 is connected to the high pressure chamber 4 and located next to the slide 3, and the outlet of the air passage 6 is connected to the low pressure chamber 5 and preferably also next to the slide 3.
The valve 7 is arranged in the air passing channel 6, when invalid compressed refrigerants are generated in the high-pressure cavity 4, the valve 7 is opened, the invalid compressed refrigerants in the clearance volume of the air passing channel 6 enter the low-pressure cavity 5 from the high-pressure cavity 4 to perform invalid compression release on the side of the high-pressure cavity 4, and the invalid compression in the clearance volume of the high-pressure cavity 4 can enter the low-pressure cavity 5 through the check valve, so that the compression efficiency is improved, the energy efficiency is improved, and the reliability is improved.
The valve 7 is a check valve to prevent the reverse flow of the high pressure chamber 4 and the low pressure chamber 5.
In order to realize the automatic opening and closing of the valve 7, the valve 7 comprises a valve core 71, a valve port 61 is arranged in the air passage 6, and the valve core 71 is driven by an elastic part to abut against the valve port 61 so as to close the valve port 61; when the pressure difference of the high-pressure chamber 4 relative to the low-pressure chamber 5 to the valve core 71 is larger than the thrust of the elastic member to the valve core 71, the valve 7 is automatically opened, and the ineffective compression release of the high-pressure chamber 4 side is carried out. Thus, the springs 72 with different elastic coefficients are required to be selected as elastic members, so that different requirements of the cylinder 1 can be met.
The air passage 6 can be arranged on the cylinder 1, and can also be arranged on flanges at two sides of the cylinder 1.
In order to facilitate the installation of the valve core 71, the air passage 6 includes an installation section 62, the installation section 62 extends to the wall surface along the axial direction to form an insertion end, the insertion end is used for the valve core 71 to be inserted, and a cover plate 73 is fixedly connected in the insertion end.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.
Claims (10)
1. A pump body assembly comprising a cylinder (1); the cylinder (1) is rotatably connected with a roller (2) in an inner cavity and is slidably connected with a sliding sheet (3) in a sliding sheet groove; one end of the sliding vane (3) driven by the driving rod extends out of the sliding vane groove and is always abutted against the roller (2), so that the inner cavity of the cylinder (1) is divided into a high-pressure cavity (4) and a low-pressure cavity (5) by the sliding vane (3) and the roller (2); the device is characterized in that the high-pressure cavity (4) is communicated with the low-pressure cavity (5) through a gas passage (6), and a valve (7) is arranged in the gas passage (6); when invalid compressed refrigerant is generated in the high-pressure cavity (4), the valve (7) is opened, and the gas passing channel (6) is used for the invalid compressed refrigerant to enter the low-pressure cavity (5) from the high-pressure cavity (4).
2. Pump block assembly according to claim 1, characterized in that the inlet of the air passage (6) communicates with the high pressure chamber (4) and is located beside the vane (3).
3. Pump block assembly according to claim 2, characterized in that the outlet of the passage (6) communicates with the low pressure chamber (5) and is located beside the slide (3).
4. Pump block assembly according to claim 1, characterized in that the valve (7) is a one-way valve.
5. The pump body assembly according to claim 1 or 4, characterized in that the valve (7) comprises a valve core (71), a valve port (61) is arranged in the gas passage channel (6), and the valve core (71) is driven by an elastic member to abut against the valve port (61) so as to close the valve port (61); when the pressure difference of the high-pressure cavity (4) relative to the low-pressure cavity (5) to the valve core (71) is larger than the thrust of the elastic element to the valve core (71), the valve (7) is automatically opened.
6. The pump body assembly according to claim 5, wherein the resilient member is a spring (72).
7. The pump block assembly according to claim 1, characterized in that the air passage (6) is provided on the cylinder (1).
8. The pump block assembly according to claim 1, characterized in that the air passage (6) is provided on flanges on both sides of the cylinder (1).
9. The pump body assembly according to claim 1, characterized in that the air passage channel (6) comprises a mounting section (62), the mounting section (62) extending axially to the wall surface to form an insertion end; the insertion end is used for inserting the valve core (71), and a cover plate (73) is fixedly connected in the insertion end.
10. A rotary compressor comprising a pump body assembly according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021562761.3U CN212717162U (en) | 2020-07-31 | 2020-07-31 | Pump body assembly and rotor compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021562761.3U CN212717162U (en) | 2020-07-31 | 2020-07-31 | Pump body assembly and rotor compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212717162U true CN212717162U (en) | 2021-03-16 |
Family
ID=74911034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021562761.3U Active CN212717162U (en) | 2020-07-31 | 2020-07-31 | Pump body assembly and rotor compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212717162U (en) |
-
2020
- 2020-07-31 CN CN202021562761.3U patent/CN212717162U/en active Active
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