阅读说明：本技术 泵体组件、压缩机和空调器 (Pump body subassembly, compressor and air conditioner ) 是由 何洋 廖李平 詹丽强 万鹏凯 罗发游 任丽萍 于 2020-06-29 设计创作，主要内容包括：本申请提供一种泵体组件、压缩机和空调器。该泵体组件包括主轴、上法兰、下法兰、气缸和滚子,滚子相对于主轴周向固定,滚子上设置有滑片槽,滑片槽内滑动设置有滑片,滑片的头部与气缸的内壁抵接,滑片的尾部与滑片槽的尾部之间形成尾腔,上法兰上设置有第一背压槽和/或下法兰上设置有第二背压槽,主轴上设置有相连通的中心孔和侧孔,尾腔与侧孔沿滚子的周向错位设置,侧孔通过第一背压槽和第二背压槽与尾腔连通。根据本申请的泵体组件,以解决现有技术中的压缩机在高频运行时,存在着背压不稳定,波动较大现象,影响压缩机能效和可靠性的问题。(The application provides a pump body subassembly, compressor and air conditioner. This pump body subassembly includes the main shaft, go up the flange, the lower flange, cylinder and roller, the roller is fixed for main shaft circumference, be provided with the gleitbretter groove on the roller, it is provided with the gleitbretter to slide in the gleitbretter groove, the head of gleitbretter and the inner wall butt of cylinder, form the tail chamber between the afterbody of gleitbretter and the afterbody of gleitbretter groove, it is provided with second back pressure groove on first back pressure groove and/or the lower flange to go up to be provided with on the flange, be provided with the centre bore and the side opening that are linked together on the main shaft, tail chamber and side opening along the circumference dislocation set of roller, the side opening is through first. According to the pump body assembly, the problems that when a compressor in the prior art operates at a high frequency, the back pressure is unstable, the fluctuation is large, and the energy efficiency and the reliability of the compressor are affected are solved.)

1. The pump body assembly is characterized by comprising a main shaft (1), an upper flange (2), a lower flange (3), a cylinder (4) and rollers (5), wherein the rollers (5) are circumferentially fixed relative to the main shaft (1), a slide sheet groove (6) is formed in each roller (5), a slide sheet (7) is slidably arranged in each slide sheet groove (6), the head of each slide sheet (7) is abutted against the inner wall of the corresponding cylinder (4), a tail cavity (8) is formed between the tail of each slide sheet (7) and the tail of each slide sheet groove (6), a first back pressure groove (9) and/or a second back pressure groove (10) are arranged on each upper flange (2), a central hole (11) and a side hole (12) which are communicated with each other are arranged on the main shaft (1), and the tail cavity (8) and the side hole (12) are arranged along the circumferential dislocation of the rollers (5), the side hole (12) is communicated with the tail cavity (8) through the first back pressure groove (9) and/or the second back pressure groove (10).

2. The pump body assembly according to claim 1, wherein the slide groove (6) is provided in plurality, the slide grooves (6) are uniformly arranged along the circumferential direction of the roller (5), and at least one side hole (12) is provided between each two adjacent slide grooves (6).

3. The pump body assembly according to claim 1, characterized in that the main shaft (1) is provided on its peripheral wall with an annular groove (13), the lateral holes (12) being provided in correspondence of the annular groove (13) and communicating the annular groove (13) with the central hole (11).

4. Pump block assembly according to claim 1, characterized in that the vane slot (6) extends tangentially to the first back pressure slot (9) and/or to the second back pressure slot (10) in a section perpendicular to the central axis of the roller (5).

5. The pump block assembly according to claim 1, characterized in that the first back pressure groove (9) and the second back pressure groove (10) are both C-shaped.

6. The pump block assembly according to any one of claims 1 to 5, wherein, in a cross section perpendicular to the central axis of the roller (5), one of the vane grooves (6) is taken as a first vane groove, two vane grooves (6) adjacent to the first vane groove are taken as a second vane groove and a third vane groove, respectively, wherein the second vane groove is located on the front side in the rotational direction of the first vane groove, the third vane groove is located on the rear side in the rotational direction of the first vane groove, the side hole (12) between the first vane groove and the third vane groove is taken as a first side hole, the side hole (12) between the first vane groove and the second vane groove is taken as a second side hole, the rotational center of the roller (5) is taken as O, the end point of the tail cavity (8) of the third vane groove is taken as L, and the point of the vane (7) in the first vane groove closest to the rotational center of the roller (5) when the vane (7) is in the most extended position is taken as M, an included angle between the central axis of the first side hole and the central axis of the second side hole is A, an included angle between the OL and the central axis of the first side hole is D, an included angle between the OM and the central axis of the first side hole is C, wherein A is not less than C and not more than D.

7. The pump block assembly according to any one of claims 1 to 5, wherein, in a cross section perpendicular to the central axis of the roller (5), one of the vane grooves (6) is taken to be a first vane groove, two vane grooves (6) adjacent to the first vane groove are taken to be a second vane groove and a third vane groove, respectively, wherein the second vane groove is located on the front side in the rotational direction of the first vane groove, the third vane groove is located on the rear side in the rotational direction of the first vane groove, the side hole (12) between the first vane groove and the third vane groove is a first side hole, the side hole (12) between the first vane groove and the second vane groove is a second side hole, the rotational center of the roller (5) is O, the end point of the tail cavity (8) of the third vane groove is taken to be L, and the point of the vane (7) in the first vane groove closest to the rotational center of the roller (5) when the vane (7) is in the minimum projection position is taken to be N, an included angle between the central axis of the first side hole and the central axis of the second side hole is A, an included angle between the OL and the central axis of the first side hole is D, an included angle between the ON and the central axis of the first side hole is B, wherein B is not less than A and not more than D.

8. Pump block assembly according to any one of claims 1 to 5, characterized in that the cross-section S of each lateral hole (12) is greater than or equal to 1.5mm²(ii) a And/or the cross section of the side hole (12) is circular, oval or polygonal.

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 pump body assembly, wherein the pump body assembly is as claimed in any one of claims 1 to 8.

Technical Field

The application relates to the technical field of air conditioning, in particular to a pump body assembly, a compressor and an air conditioner.

Background

The existing rotary vane compressor can smoothly extend a sliding vane in the operation process, a back pressure cavity (a sliding vane tail cavity formed by the sliding vane and a main shaft sliding vane groove + an upper flange back pressure groove + a lower flange back pressure groove) is generally arranged at the tail part of the sliding vane, high-pressure oil in an oil pool is introduced to provide power for the back part of the sliding vane, the gas pressure and the friction force of a front cavity and a rear cavity of the head part of the sliding vane are overcome, and the head part of the sliding vane is always in contact with the inside of a cylinder in the whole operation process of the compressor.

The oil of the slip sheet backpressure is mainly pumped from an oil pool through an oil pump, then enters the flange backpressure groove through the main shaft center hole and the main shaft side hole connected with the main shaft center hole, and further fills the backpressure cavity.

Referring to fig. 1, the main shaft side holes 1' of the prior art are only 2, are arranged at 180 degrees, and have no limitation on the angle. The corresponding relation between the distribution angle of the main shaft side hole 1 'and the distribution angle of the sliding vane tail cavity 2' is uncertain, the condition that the side hole 1 'directly corresponds to the sliding vane tail cavity 2' possibly exists, when a compressor operates at high frequency, oil coming out from a main shaft center hole 3 'is not directly supplemented to the sliding vane tail cavity 2' through intermediate buffering, and because the oil feeding frequency is high when the compressor operates at high frequency, the oil continuously impacts and fluctuates greatly, the sliding vane back pressure fluctuation is easy to cause, and the compressor energy efficiency and the operation reliability are influenced.

Therefore, when the existing compressor runs at high frequency, the problems of unstable back pressure, large fluctuation and influence on the energy efficiency and reliability of the compressor exist.

Disclosure of Invention

Therefore, the technical problem that this application will be solved lies in providing a pump body subassembly, compressor and air conditioner to solve the compressor among the prior art when the high frequency operation, there is the back pressure unstable, and undulant great, influence compressor efficiency and reliability's problem.

In order to solve the problem, the application provides a pump body subassembly, which comprises a main shaft, go up the flange, the lower flange, cylinder and roller, the roller is fixed for main shaft circumference, be provided with the sliding vane groove on the roller, it is provided with the gleitbretter to slide in the sliding vane groove, the head of gleitbretter and the inner wall butt of cylinder, form the tail chamber between the afterbody of gleitbretter and the afterbody of sliding vane groove, be provided with second back pressure groove on last first back pressure groove of being provided with of going up the flange on/or the lower flange, be provided with centre bore and the side opening that are linked together on the main shaft, tail chamber and side opening along the circumference dislocation set of roller, the side opening is through first back pressure groove and/or second.

Preferably, the number of the slide sheet grooves is multiple, the slide sheet grooves are uniformly distributed along the circumferential direction of the roller, and at least one side hole is formed between every two adjacent slide sheet grooves.

Preferably, an annular groove is formed in the outer peripheral wall of the main shaft, and the side hole is formed corresponding to the annular groove and communicates the annular groove and the central hole.

Preferably, in a cross section perpendicular to the central axis of the roller, the extension direction of the slide groove is tangential to the first back pressure groove and/or the second back pressure groove.

Preferably, the first back pressure groove and the second back pressure groove are both C-shaped.

Preferably, in a cross section perpendicular to the central axis of the roller, one of the slide groove is selected as a first slide groove, two adjacent slide grooves are respectively a second slide groove and a third slide groove, wherein the second slide groove is located on the front side of the rotation direction of the first slide groove, the third slide groove is located on the rear side of the rotation direction of the first slide groove, the side hole between the first slide groove and the third slide groove is a first side hole, the side hole between the first slide groove and the second slide groove is a second side hole, the rotation center of the roller is O, the tail end point of the tail cavity of the third slide groove is L, the point closest to the rotation center of the roller when the slide in the first slide groove is at the maximum extension position is M, the included angle between the central axis of the first side hole and the central axis of the second side hole is a, and the included angle between OL and the central axis of the first side hole is D, the included angle between the OM and the central axis of the first side hole is C, wherein A is not less than C and not more than D.

Preferably, in a cross section perpendicular to the central axis of the roller, one of the slide plate grooves is selected as a first slide plate groove, two adjacent slide plate grooves are respectively a second slide plate groove and a third slide plate groove, wherein the second slide plate groove is positioned on the front side of the rotation direction of the first slide plate groove, the third slide plate groove is positioned on the rear side of the rotation direction of the first slide plate groove, the side hole between the first slide plate groove and the third slide plate groove is a first side hole, the side hole between the first slide plate groove and the second slide plate groove is a second side hole, the rotation center of the roller is O, the tail cavity end point of the third slide plate groove is L, the point closest to the rotation center of the roller when the slide plate in the first slide plate groove is in the minimum extension position is N, the included angle between the central axis of the first side hole and the central axis of the second side hole is a, and the included angle between OL and the central axis of the first side hole is D, an included angle between ON and the central axis of the first side hole is B, wherein B is more than or equal to A and less than or equal to D.

Preferably, the sectional area S of each side hole is more than or equal to 1.5mm²(ii) a And/or the cross section of the side hole is circular, oval or polygonal.

According to another aspect of the present application, there is provided a compressor, comprising the pump body assembly as described above.

According to another aspect of the present application, there is provided an air conditioner, comprising the pump body assembly as described above.

The utility model provides a pump body subassembly, which comprises a main shaft, go up the flange, the lower flange, cylinder and roller, the roller is fixed for main shaft circumference, be provided with the gleitbretter groove on the roller, it is provided with the gleitbretter to slide in the gleitbretter groove, the head of gleitbretter and the inner wall butt of cylinder, form the tail chamber between the afterbody of gleitbretter and the afterbody of gleitbretter groove, it is provided with second back pressure groove on first back pressure groove and/or the lower flange to go up to be provided with on the flange, be provided with centre bore and the side opening that are linked together on the main shaft, tail chamber and side opening along the circumference dislocation set of roller, the side opening is through. Among this pump body subassembly, with terminal tail chamber of gleitbretter groove and main epaxial side opening along circumference dislocation set, thereby make the side opening of main shaft not correspond between the terminal tail chamber of gleitbretter, there is certain angular deviation, after need enter into the back pressure inslot earlier through the fluid of side opening outflow etc. and cushion, just can enter into the tail chamber through the back pressure groove and carry out the oil feed to the tail chamber, consequently, can be at the compressor high frequency operation in-process, utilize the back pressure groove to absorb the pressure fluctuation that the high frequency oil feed brought, can avoid the direct continuous high frequency of high-pressure oil that the main shaft side opening came out to enter into the tail chamber of gleitbretter afterbody and the too big problem of pressure fluctuation that causes simultaneously, realize whole stability of gleitbretter backpressure, reduce, improve compressor.

Drawings

FIG. 1 is a diagram of a side hole and a slide groove of a pump body assembly in the prior art;

FIG. 2 is a cross-sectional structural view of a pump block assembly according to an embodiment of the present application;

FIG. 3 is an enlarged schematic view of FIG. 2 at H;

FIG. 4 is an exploded view of the pump block assembly of the embodiment of the present application;

FIG. 5 is a schematic view of a main shaft structure of the pump body assembly according to an embodiment of the present application;

FIG. 6 is a schematic perspective view of a main shaft of the pump body assembly according to the embodiment of the present disclosure;

FIG. 7 is a schematic view of the cross-sectional structure taken along line A-A of FIG. 5;

FIG. 8 is a view of the side hole and vane slot configuration of the pump block assembly according to an embodiment of the present application;

FIG. 9 is a graph comparing the back pressure groove pressure fluctuation of the pump body assembly of the present application with that of the pump body assembly of the prior art.

The reference numerals are represented as:

1. a main shaft; 2. an upper flange; 3. a lower flange; 4. a cylinder; 5. a roller; 6. a slide groove; 7. sliding blades; 8. a tail cavity; 9. a first back pressure groove; 10. a second back pressure groove; 11. a central bore; 12. a side hole; 13. an annular groove; 14. a lower cover plate; 15. a gear oil pump.

Detailed Description

With reference to fig. 2 to 9, according to an embodiment of the present application, the pump body assembly includes a main shaft 1, an upper flange 2, a lower flange 3, a cylinder 4, and a roller 5, the roller 5 is circumferentially fixed with respect to the main shaft 1, a slide groove 6 is disposed on the roller 5, a slide 7 is slidably disposed in the slide groove 6, a head of the slide 7 abuts against an inner wall of the cylinder 4, a tail cavity 8 is formed between a tail of the slide 7 and a tail of the slide groove 6, a first back pressure groove 9 and/or a second back pressure groove 10 is disposed on the upper flange 2, a central hole 11 and a side hole 12 which are communicated with each other are disposed on the main shaft 1, the tail cavity 8 and the side hole 12 are disposed in a staggered manner along a circumferential direction of the roller 5, and the side hole 12 is communicated with the tail cavity 8 through the first back pressure groove 9 and the second back pressure groove.

In this pump body subassembly, tail chamber 8 with the terminal of sliding vane groove 6 and main shaft 1 on side opening 12 along circumference dislocation set, thereby make main shaft 1 on the side opening 12 not correspond with between the tail chamber 8 of sliding vane groove 6 terminal, there is certain angular deviation, need enter into earlier after the back pressure inslot is buffered through the fluid of side opening 12 outflow, just can enter into tail chamber 8 through the back pressure groove and carry out the oil feed to tail chamber 8, consequently, can be at the compressor high frequency operation in-process, utilize the back pressure groove to absorb the pressure fluctuation that high frequency oil feed brought, can avoid the direct continuous high frequency of the high-pressure oil that main shaft 1 on the side opening 12 came out to enter into tail chamber 8 of sliding vane groove 6 terminal and the too big problem of pressure fluctuation that causes simultaneously, realize the whole range stability of gleitbretter back pressure, reduce pressure fluctuation, improve compressor efficiency and reliability.

The main shaft 1 and the roller 5 may be fixedly connected after being separately molded, or at least fixed in relative position in the circumferential direction, or may be directly and integrally molded.

The pump body assembly further comprises a lower cover plate 14 and a gear oil pump 15, wherein the lower cover plate 14 is arranged at one end of the lower flange 3 far away from the cylinder 4, and the gear oil pump 15 is arranged on the outer side of the lower cover plate 14 and is used for pumping oil into the central hole 11.

The slide sheet grooves 6 are arranged uniformly along the circumferential direction of the roller 5, at least one side hole 12 is arranged between every two adjacent slide sheet grooves 6, the number of the side holes 12 can be matched with the number of the slide sheet grooves 6, so that the tail cavity 8 at the tail end of each slide sheet groove 6 can be supplemented with oil through the back pressure groove via the side holes 12, the tail cavity 8 at the tail end of each slide sheet groove 6 is supplied with oil via the side holes 12, the lengths of flow paths of oil entering the back pressure groove from the side holes 12 into the tail cavity 8 can be basically kept consistent, the oil in each tail cavity 8 can be supplied timely, and the relative positions of the tail cavity 8 and the side holes 12 of the slide sheet grooves 6 on the main shaft 1 are fixed, so that the oil flowing out from the side holes 12 can be ensured to enter the tail cavity 8 only after being buffered by the back pressure groove, the buffer effect of the backpressure groove on oil is guaranteed, so that impact during high-frequency operation of the compressor can be effectively absorbed by the backpressure groove, continuous and stable oil supply to the tail cavity 8 can be realized through the backpressure groove, and the stability and the reliability during high-frequency operation of the compressor are improved.

In one embodiment, oil passages are provided between the rollers 5 and the end faces of the upper flange 2 and/or the lower flange 3, through which oil exiting the side holes 12 can pass into the back pressure grooves. The axial width of the oil passing channel is small, so that on one hand, the reduced section of the oil passing channel can be used for carrying out pressure reduction buffering on oil, and on the other hand, the impact effect of the oil on the main shaft 1 in the process of returning to the side hole 12 from the tail cavity 8 can also be reduced. The oil passage is preferably an annular groove, so that the side hole 12 can be always communicated with the backpressure groove, the oil return effect of the tail cavity 8 in the retraction process of the sliding sheet 7 is effectively ensured, and the oil blocking phenomenon is avoided.

The outer peripheral wall of the main shaft 1 is provided with an annular groove 13, and the side hole 12 is arranged corresponding to the annular groove 13 and communicated with the annular groove 13 and the central hole 11. The annular groove 13 can form an oil storage effect, oil flowing out of the side hole 12 can be stored, and then oil is conveyed from the annular groove 13 to the back pressure groove, and because the annular groove 13 is annular, the oil flowing out of the side hole 12 can firstly converge in the annular groove 13 and then enter the back pressure groove through redistribution. In pump body subassembly operation process, along with the rotation of main shaft 1, the volume of the tail chamber 8 that different gleitbretter 7 correspond is also different, consequently required fuel feeding also is different, set up ring channel 13 on the periphery wall of main shaft 1, and make the fluid that flows out from side opening 12 enter into ring channel 13 earlier, just can make the fluid in the ring channel 13 redistribute according to the difference of the required oil mass of tail chamber 8, make each tail chamber 8 homoenergetic obtain required oil mass fast, improve fluid distribution equilibrium. In addition, annular groove 13 can also play first layer buffering effect, and fluid enters into annular groove 13's in-process from side opening 12, can be at first by the impact that the high frequency high pressure oil in annular groove 13 absorption side opening 12 brought, just later can carry to the backpressure groove, is strikeed by the fluid of backpressure groove resorption once more, consequently can improve the stability of backpressure groove fuel feeding further, improves backpressure stability in the tail chamber 8, improves compressor operation efficiency and reliability.

Preferably, in a cross section perpendicular to the central axis of the roller 5, the extending direction of the sliding vane slot 6 is tangent to the first back pressure slot 9 and/or the second back pressure slot 10, so that on one hand, a larger contact area can be ensured between the sliding vane slot 6 and the first back pressure slot 9 or the second back pressure slot 10, oil can smoothly enter the tail cavity 8 of the sliding vane slot 6, sufficient oil supply is ensured, and on the other hand, the sliding vane slot 6 is made to have a larger length, so that the design of the sliding vane 7 is facilitated.

Preferably, first backpressure groove 9 and second backpressure groove 10 all are the C shape, can make each backpressure groove not communicate with each other along the circumferential direction to at the in-process that gleitbretter 7 was returned or was stretched out, fluid can keep can not follow the circumference and flow in the backpressure groove, guarantee to be located the fluid in the backpressure groove and can provide sufficient backpressure to gleitbretter 7, avoid because the not enough phenomenon of pressurize that fluid leads to along the circumference flow, improve the stability and the reliability of pump body subassembly during operation.

In a cross section perpendicular to the central axis of the roller 5, one of the slide plate grooves 6 is selected as a first slide plate groove 6a, two slide plate grooves 6 adjacent to the first slide plate groove 6a are respectively a second slide plate groove 6b and a third slide plate groove 6c, wherein the second slide plate groove 6b is positioned on the front side of the rotation direction of the first slide plate groove 6a, the third slide plate groove 6c is positioned on the rear side of the rotation direction of the first slide plate groove 6a, a side hole 12 between the first slide plate groove 6a and the third slide plate groove 6c is a first side hole 12a, a side hole 12 between the first slide plate groove 6a and the second slide plate groove 6b is a second side hole 12b, the rotation center of the roller 5 is O, a tail cavity 8 point of the third slide plate groove 6c is L, a point of a tail end of the side hole 12a of the slide plate 7 in the first slide plate groove 6a is closest to the rotation center of the roller 5 when the slide plate is at the maximum extension position, an included angle between the first side hole 12a and the central axis a of the second side hole 12b, an included angle between OL and the central axis of the first side hole 12a is D, an included angle between OM and the central axis of the first side hole 12a is C, wherein C is not less than A and not more than D.

Because A defines the included angle between two adjacent side holes 12, C defines the included angle between the tail cavity 8 and the first side hole 12a when the sliding sheet 7 is at the maximum extending position, and D defines the included angle between the second sliding sheet groove 6b positioned at the front side of the rotation direction of the first sliding sheet groove 6a and the first side hole 12a, the side holes 12 on the main shaft 1 can be effectively prevented from directly corresponding to the tail cavity 8 of the sliding sheet groove 6 in the process that the sliding sheet 7 moves to the maximum extending position along the sliding sheet groove 6 by defining the relationship between A, C and D.

In a cross section perpendicular to the central axis of the roller 5, one of the slide plate grooves 6 is selected as a first slide plate groove 6a, two slide plate grooves 6 adjacent to the first slide plate groove 6a are respectively a second slide plate groove 6b and a third slide plate groove 6c, wherein the second slide plate groove 6b is positioned on the front side of the rotation direction of the first slide plate groove 6a, the third slide plate groove 6c is positioned on the rear side of the rotation direction of the first slide plate groove 6a, a side hole 12 between the first slide plate groove 6a and the third slide plate groove 6c is a first side hole 12a, a side hole 12 between the first slide plate groove 6a and the second slide plate groove 6b is a second side hole 12b, the rotation center of the roller 5 is O, a tail cavity 8 point of the third slide plate groove 6c is L, a point of a tail end of the side hole 12a closest to the rotation center of the roller 5 when the slide plate 7 in the first slide plate groove 6a is at the minimum extension position is N, an included angle between the first side hole 12a and the central axis a of the second side hole 12b, an included angle between OL and the central axis of the first side hole 12a is D, and an included angle between ON and the central axis of the first side hole 12a is B, wherein B is not less than A and not more than D.

Because A defines the included angle between two adjacent side holes 12, B defines the included angle between the tail cavity 8 and the first side hole 12a when the sliding sheet 7 is at the minimum extending position, and D defines the included angle between the second sliding sheet groove 6B positioned at the front side of the rotation direction of the first sliding sheet groove 6a and the first side hole 12a, the side holes 12 on the main shaft 1 can be effectively prevented from directly corresponding to the tail cavity 8 of the sliding sheet groove 6 in the process that the sliding sheet 7 moves to the minimum extending position along the sliding sheet groove 6 by defining the relationship between A, B and D.

Through prescribing a limit to the relation between 8 and the side opening 12 of tail chamber when gleitbretter 7 is at maximum extended position and minimum extended position, effectively guaranteed that 8 and side opening 12 of tail chamber can take place the dislocation on the circumferential direction, avoided both to take place to directly link the phenomenon, improved pump body subassembly overall structure's operational reliability.

The sectional area S of each side hole 12 is more than or equal to 1.5mm²Thereby ensuring that each side hole 12 has a sufficient flow area and ensuring the smoothness of the flow when the oil is supplemented.

The sectional shape of the side hole 12 is circular, oval or polygonal.

With reference to fig. 9, it can be seen that, when the prior art is adopted, the pressure of the backpressure groove fluctuates greatly in the whole rotation process of the main shaft 1, so that a large wave crest appears easily, and a large impact effect is generated on the operation of the pump body assembly.

According to the embodiment of the application, the compressor comprises the pump body assembly, and the pump body assembly is the pump body assembly.

According to the embodiment of the application, the air conditioner comprises the pump body assembly, and the pump body assembly is the pump body assembly.

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.