CN114087184A

CN114087184A - Pump body assembly, compressor and air conditioner with same

Info

Publication number: CN114087184A
Application number: CN202111496280.6A
Authority: CN
Inventors: 李自好; 张洪玮; 彭慧明; 韩鑫; 罗蔼玉; 滕勃宇
Original assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Landa Compressor Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Landa Compressor Co Ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-02-25

Abstract

The application provides a pump body assembly, a compressor and an air conditioner with the same, and the pump body assembly, the compressor and the air conditioner with the compressor comprise an air cylinder, a roller structure, a sliding sheet structure and a flow guide structure, wherein a sliding sheet groove is formed in the air cylinder; the roller structure is movably arranged in the cylinder; the sliding sheet structure is movably arranged in the sliding sheet groove, the sliding sheet structure divides the inside of the air cylinder into a high-pressure cavity and a low-pressure cavity, and the sliding sheet structure is connected with the roller structure; the first end of the flow guide structure is communicated to the high-pressure cavity, and the second end of the flow guide structure is communicated to the corresponding position of the slip sheet structure, so that gas in the high-pressure cavity can apply force to the slip sheet structure, and the force application direction is the direction close to the roller structure. According to pump body subassembly, compressor and have its air conditioner of this application, can prevent effectively that the gleitbretter from breaking away from the roller.

Description

Pump body assembly, compressor and air conditioner with same

Technical Field

The application belongs to the technical field of air conditioners, and particularly relates to a pump body assembly, a compressor and an air conditioner with the pump body assembly and the compressor.

Background

At present, a sliding vane and a roller are always kept in contact when a compressor operates normally, the condition that the sliding vane and the roller are kept in contact is that a spring is abutted against the tail end of the sliding vane and the force for pushing the sliding vane to abut against the roller is always kept, the force must be large enough to ensure that the roller is always in contact with the sliding vane, and the required spring stiffness is also large enough. However, when the compressor is in low-frequency suction and liquid operation, the pressure of a compression cavity is changed greatly due to the gasification of a liquid refrigerant, the spring cannot have enough force to support the sliding sheet to contact with the roller, the sliding sheet and the roller are separated, a part of high-pressure gas leaks from the sliding sheet of the roller, and then the sliding sheet and the spring are in quick contact due to the elastic force of the spring, so that the metal knocking 'rattling' is generated.

Therefore, how to provide a pump body assembly capable of effectively preventing the vane from separating from the roller, a compressor and an air conditioner with the same become problems to be solved by those skilled in the art urgently.

Disclosure of Invention

Therefore, the technical problem to be solved by the present application is to provide a pump body assembly, a compressor and an air conditioner with the same, which can effectively prevent a slide sheet from separating from a roller.

In order to solve the above problem, the present application provides a pump body assembly including:

the air cylinder is provided with a slide sheet groove;

the roller structure is movably arranged in the cylinder;

the sliding piece structure is movably arranged in the sliding piece groove, divides the inside of the cylinder into a high-pressure cavity and a low-pressure cavity and is connected with the roller structure;

and the first end of the flow guide structure is communicated to the high-pressure cavity, and the second end of the flow guide structure is communicated to the corresponding position of the slip sheet structure, so that the gas in the high-pressure cavity can apply force to the slip sheet structure, and the force application direction is the direction close to the roller structure.

Furthermore, a pressure cavity is arranged between the sliding sheet structure and the inner wall of the sliding sheet groove, the second end of the flow guide structure is communicated to the pressure cavity, and the volume of the pressure cavity is adjustable.

Furthermore, a groove is formed in the outer surface of the sliding sheet structure, and a pressure cavity is formed between the groove and the inner wall of the sliding sheet groove.

Furthermore, the groove is provided with a first inner wall and a second inner wall which are oppositely arranged, and the first inner wall and the second inner wall are sequentially arranged in the direction away from the central axis of the cylinder; a partition structure is arranged on the inner wall of the slide sheet groove, the partition structure is positioned between the first inner wall and the second inner wall, and the first inner wall, the partition structure and the inner wall of the slide sheet groove form a pressure cavity; in the process of the sliding sheet structure moving, the distance between the first inner wall and the separation structure is changed to adjust the volume of the pressure cavity.

Furthermore, the sliding sheet structure is provided with a first movable area and a second movable area, and when the sliding sheet structure moves in the first movable area, the notch of the groove is partially or completely positioned in the high-pressure cavity; when the sliding sheet structure moves in the second moving area, the notch of the groove is opposite to the inner wall of the sliding sheet groove, and a pressure cavity is formed.

Further, the pump body assembly further comprises a flange structure, the flange structure is arranged at the end part of the cylinder, the flow guide structure comprises a flow guide channel, and the flow guide channel is arranged between the flange structure and the end part of the cylinder.

Furthermore, the flow guide channel comprises a flow guide groove which is arranged on the flange structure or the cylinder; and/or the cylinder comprises an exhaust port, and the first end of the flow guide channel is communicated with the exhaust port; and/or the second end of the flow guide structure is communicated to one end, far away from the central axis direction of the cylinder, in the pressure cavity.

Further, the flow guiding structure comprises a sound attenuation cavity.

According to still another aspect of the present application, there is provided a compressor, including a pump body assembly, the pump body assembly being the above pump body assembly.

According to still another aspect of the present application, there is provided an air conditioner including a compressor, the compressor being the above-mentioned compressor.

The application provides a pump body subassembly, compressor and have its air conditioner adopts compressor self to exhaust and corresponds the position through the leading-in gleitbretter structure of water conservancy diversion structure for utilize self pressure to prevent the gleitbretter structure to break away from the roller structure when the liquid is taken in the air suction during low frequency, effectively prevent the sound of dazzling, the gleitbretter does not break away from roller high-pressure gas simultaneously and can not reveal, effectively prevents cold volume loss. This application can prevent effectively that the gleitbretter from breaking away from the roller.

Drawings

FIG. 1 is a schematic view of a pump body assembly according to an embodiment of the present disclosure in a compressed state;

FIG. 2 is a schematic structural view of a pump body assembly of an embodiment of the present application upon completion of venting;

FIG. 3 is a schematic view of the pump body assembly of the present embodiment when the slider structure is extended the longest;

FIG. 4 is a schematic structural diagram of a cylinder according to an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a slider structure according to an embodiment of the present application.

The reference numerals are represented as:

1. a cylinder; 2. a roller structure; 3. a slip sheet structure; 4. a spring; 5. a high pressure chamber; 6. a pressure chamber; 7. a flow guide structure; 8. a partition structure; 9. a groove; 10. and (7) an exhaust port.

Detailed Description

Referring to fig. 1-5 in combination, a pump body assembly comprises a cylinder 1, a roller structure 2, a sliding vane structure 3 and a flow guide structure 7, wherein a sliding vane groove is formed in the cylinder 1; the roller structure 2 is movably arranged in the cylinder 1; the sliding piece structure 3 is movably arranged in the sliding piece groove, the sliding piece structure 3 divides the inside of the cylinder 1 into a high-pressure cavity 5 and a low-pressure cavity, and the sliding piece structure 3 is connected with the roller structure 2; the first end of water conservancy diversion structure 7 communicates to high-pressure chamber 5, and the second end of water conservancy diversion structure 7 communicates to gleitbretter structure 3 corresponding position to make the gas in the high-pressure chamber 5 can carry out the application of force to gleitbretter structure 3, the direction of application of force is for being close to roller structure 2. This application adopts compressor self to exhaust and leads to gleitbretter structure 3 corresponding position through water conservancy diversion structure 7 for utilize self pressure to prevent gleitbretter structure 3 to break away from roller structure 2 when the liquid is taken in the air suction during the low frequency, effectively prevent to rip, the gleitbretter does not break away from roller high-pressure gas simultaneously and can not reveal, effectively prevents cold volume loss. The method can solve the problem of low-frequency easily-appearing clicking sound; and the low-frequency refrigerating capacity loss can be prevented, and the cold fluctuation which is easy to occur in the compressor can be prevented. This application can compensate 4 elasticity of spring when the band liquid is inhaled to the low frequency not enough, provides enough holding power for gleitbretter and 4 contacts of spring when 5 pressures in high pressure chamber are too big.

The application also discloses some embodiments, have pressure chamber 6 between gleitbretter structure 3 and the gleitbretter inslot wall, and the second end of water conservancy diversion structure 7 communicates to pressure chamber 6, and the volume size of pressure chamber 6 is adjustable.

The application also discloses some embodiments, be provided with recess 9 on the surface of gleitbretter structure 3, form pressure chamber 6 between recess 9 and the gleitbretter inslot wall. The groove 9 is located on one side of the sliding sheet structure 3 close to the exhaust port 10, and the notch faces the side wall of the sliding sheet groove. The gas in the high pressure chamber 5 is led into the pressure chamber 6 formed between the groove 9 and the slide sheet groove, so that the slide sheet structure 3 can be prevented from being separated from the roller structure 2.

The application also discloses some embodiments, the groove 9 is provided with a first inner wall and a second inner wall which are oppositely arranged, and the first inner wall and the second inner wall are sequentially arranged in the direction away from the central axis of the cylinder 1; a partition structure 8 is arranged on the inner wall of the slide groove, the partition structure 8 is positioned between the first inner wall and the second inner wall, and the first inner wall, the partition structure 8 and the inner wall of the slide groove form a pressure cavity 6; during the movement of the sliding sheet structure 3, the distance between the first inner wall and the separation structure 8 is changed to adjust the volume of the pressure chamber 6. The piston cavity is formed by the pressure cavity 6 and the separation structure 8, the piston is formed by the combined structure of the slip sheet and the cylinder 1, and the air pressure in the piston cavity is controlled by utilizing the self-exhausted air pressure, so that the roller is not separated from the slip sheet by pushing the slip sheet to be tightly attached to the high pressure at the low-frequency stage of air suction and liquid carrying, and the noise and the cold loss are effectively prevented. The partition structure 8 forms the piston rod of the pressure chamber 6, and the pressure chamber 6 forms the piston chamber, compared with the prior art that the problems are solved by using a swing compressor and a hinged compressor, the part processing cost is too high, and the requirement on equipment is also very high. The assembling mode is very simple, the assembling and processing only involve connecting parts, only small changes are carried out on the traditional parts, the process is not high, and the cost is low. The compressor assembly is according to conventional compressor assembly, put other, need put together the slotted one end of slip sheet and the one end of cylinder 1 slip sheet slot area piston rod when placing the slip sheet to form the compression chamber.

The application also discloses some embodiments, the sliding sheet structure 3 is provided with a first active area and a second active area, when the sliding sheet structure 3 is active in the first active area, the notch of the groove 9 is partially or completely positioned in the high-pressure cavity 5; when the sliding sheet structure 3 moves in the second moving area, the notch of the groove 9 is opposite to the inner wall of the sliding sheet groove, and a pressure cavity 6 is formed. The compressor is easy to suck air and carry liquid when running at low frequency, and the liquid carrying is easy to gasify in the high-pressure cavity 5 to cause instant high pressure, so that the slip sheet and the roller are separated, and further the rattling noise and the cold loss are caused. This application is when the compressor is inhaled gas and is taken liquid at high-pressure chamber 5 gasification, make high pressure guide-in pressure chamber 6, promote the gleitbretter with spring 4 together and support the roller, prevent that the gleitbretter roller from breaking away from, along with the roller continues the operation, pressure chamber 6 gas returns high-pressure chamber 5 and discharges along with the exhaust together, can not lead to cold volume loss, thereby guarantee that compressor cold volume is stable, this application as long as spring 4 guarantee gleitbretter reciprocating motion can, can reduce spring 4's rigidity, make compressor power reduce. When the second movable area is movable, the volume of the pressure cavity can be adjusted along with the movement of the sliding sheet structure 3.

In the application, one side of the slide sheet groove and the groove 9 opened by the slide sheet form a pressure cavity 6, and the size of the inner cavity of the piston is changed through the piston rod of the cylinder 1. The flow guiding structure 7 connects the exhaust port 10 and the piston cavity. As shown in fig. 3, when the compressor moves from the angle beta to the position where the liquid is easy to form, the delta distance is less than or equal to zero at the moment, a piston cavity is formed, when the compressor moves to fig. 1, if the low-frequency air suction takes the liquid at the moment, the liquid refrigerant in the high-pressure cavity 5 is instantly gasified, the pressure in the high-pressure cavity 5 is instantly increased, the high pressure passes through the circulation hole to reach the piston cavity at the moment, the push rod of the piston cavity is fixed on the cylinder 1, the pressure is increased to push the slide sheet to tightly abut against the roller, the roller slide sheet receives the high-pressure pushing force and the elasticity of the spring 4 at the moment, and the roller slide sheet is not easy to separate. The roller will continue to move until the high pressure is completely exhausted from the exhaust port and the high pressure in the piston chamber will also back press into the high pressure chamber 5 and be exhausted with the exhaust, as in the figure 2 position. Thereby achieving the purposes that the roller can not be separated and the high-pressure gas can not be leaked.

The application also discloses some embodiments, pump body subassembly still include flange structure, flange structure setting and cylinder 1's tip, and water conservancy diversion structure 7 includes the water conservancy diversion passageway, and the water conservancy diversion passageway sets up between flange structure and cylinder 1 tip. The flange structure comprises an upper flange and a lower flange, and the flow guide channel can be arranged on the end face of the upper flange or the lower flange.

The application also discloses some embodiments, the diversion channel comprises a diversion trench, and the diversion trench is arranged on the flange structure or the cylinder 1; and/or the cylinder 1 comprises an exhaust port 10, and the first end of the flow guide channel is communicated with the exhaust port 10; and/or the second end of the flow guide structure 7 is communicated to one end, far away from the central axis direction of the cylinder 1, in the pressure cavity 6.

The application also discloses some embodiments, and the diversion structure 7 includes a sound-deadening cavity, and the sound-deadening cavity is a sound-deadening resonant cavity. The flow guide structure 7 connected with the exhaust port 10 is used as an exhaust silencing cavity structure, exhaust airflow pulsation of a compression cavity is reduced, pneumatic noise of a compressor is reduced, noise generated by resonance of a cavity of the compressor can be effectively reduced, the function of the exhaust silencing cavity can be realized, and exhaust noise is favorably solved.

According to an embodiment of the present application, there is provided a compressor, including a pump body assembly, the pump body assembly being the above pump body assembly. The compressor is a vertical rotary compressor and is widely used for room air conditioners.

According to an embodiment of the application, an air conditioner is provided, which comprises a compressor, wherein the compressor is the compressor.

It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.

Claims

1. A pump body assembly, comprising:

the air cylinder (1), the air cylinder (1) is provided with a slide groove;

the roller structure (2), the roller structure (2) is movably arranged in the cylinder (1);

the sliding piece structure (3) is movably arranged in the sliding piece groove, the sliding piece structure (3) divides the inside of the air cylinder (1) into a high-pressure cavity (5) and a low-pressure cavity, and the sliding piece structure (3) is connected with the roller structure (2);

and the first end of the flow guide structure (7) is communicated to the high-pressure cavity (5), the second end of the flow guide structure (7) is communicated to the corresponding position of the slip sheet structure (3), so that the gas in the high-pressure cavity (5) can apply force to the slip sheet structure (3), and the force application direction is the direction close to the roller structure (2).

2. The pump body assembly according to claim 1, wherein a pressure chamber (6) is arranged between the sliding vane structure (3) and the inner wall of the sliding vane groove, a second end of the flow guide structure (7) is communicated to the pressure chamber (6), and the volume of the pressure chamber (6) is adjustable.

3. Pump block assembly according to claim 2, characterized in that the slide construction (3) is provided with a groove (9) on its outer surface, the groove (9) and the slide groove inner wall forming the pressure chamber (6) therebetween.

4. A pump body assembly according to claim 3, characterized in that said recess (9) has a first and a second inner wall disposed opposite each other, said first and second inner walls being arranged in succession in a direction away from the central axis of said cylinder (1); a separation structure (8) is arranged on the inner wall of the slide groove, the separation structure (8) is positioned between the first inner wall and the second inner wall, and the first inner wall, the separation structure (8) and the inner wall of the slide groove form the pressure cavity (6); in the process of moving the sliding sheet structure (3), the distance between the first inner wall and the separation structure (8) is changed to adjust the volume of the pressure cavity (6).

5. The pump body assembly according to claim 3, characterized in that said sliding vane structure (3) has a first active zone and a second active zone, the notch of said groove (9) being located partially or totally inside said high pressure chamber (5) when said sliding vane structure (3) is active in said first active zone; when the sliding sheet structure (3) moves in the second moving area, the notch of the groove (9) is opposite to the inner wall of the sliding sheet groove, and the pressure cavity (6) is formed.

6. The pump block assembly according to claim 2, characterized in that it further comprises a flange structure provided at the end of the cylinder (1), the flow guiding structure (7) comprising a flow guiding channel provided between the flange structure and the end of the cylinder (1).

7. The pump block assembly according to claim 6, characterized in that said flow-guide channel comprises a flow-guide groove provided on said flange structure or on said cylinder (1); and/or the cylinder (1) comprises an exhaust port (10), and the first end of the flow guide channel is communicated with the exhaust port (10); and/or the second end of the flow guide structure (7) is communicated to one end, far away from the central axis direction of the cylinder (1), in the pressure cavity (6).

8. The pump body assembly according to claim 1, characterized in that the flow-guiding structure (7) comprises a sound-attenuating cavity.

9. A compressor comprising a pump body assembly, characterized in that it is a pump body assembly according to any one of claims 1 to 8.

10. An air conditioner comprising a compressor, wherein said compressor is the compressor of claim 9.