CN213628000U

CN213628000U - Pump body assembly, compressor and air conditioner with same

Info

Publication number: CN213628000U
Application number: CN202022039809.9U
Authority: CN
Inventors: 孙晓梅; 赵庆富; 梁社兵; 朱红伟
Original assignee: Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
Current assignee: Gree Green Refrigeration Technology Center Co Ltd of Zhuhai; Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-07-06
Anticipated expiration: 2030-09-17

Abstract

The application provides a pump body assembly, a compressor and an air conditioner with the same, and the air conditioner comprises a flange, a silencer and a first reinforcing part, wherein the flange comprises a flange neck; the silencer comprises a shell, a first opening is formed in the shell, and a flange neck is arranged in the first opening; the first reinforcement portion is provided on an inner peripheral side of the first opening; the first reinforcement portion is used for fixing the flange neck portion. According to the pump body subassembly of this application, fix the flange neck through first rib, can increase flange resistance to deformation ability.

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, along with the gradual maturity of compressor technical development, the refrigeration air conditioner compressor develops towards the miniaturized direction of high frequency gradually in recent years, and the compressor rotational speed constantly improves, can guarantee under the unchangeable circumstances of compressor volume, promotes the refrigerating capacity to reach the effect that the efficiency is high small.

However, the working characteristics of the rotary compressor determine that the stress states of the rotary compressor are different in the operation process, and the increase of the rotating speed of the compressor increases the load of parts, so that the requirement on the bearing capacity of the bearing is high. At present, when a compressor runs at a high speed, a crankshaft of the compressor rotates at a high speed under the restraint of a bearing, a long shaft of the crankshaft is bent due to unbalanced force generated by a rotor assembly, the crankshaft is restrained by a flange bearing, the flange bearing is easy to deform, contact stress concentration between the flange bearing and the crankshaft is further increased, and the reliability and the noise of the flange bearing and the whole compressor are directly influenced.

Therefore, how to provide a pump body assembly, a compressor and an air conditioner with the same, which can increase the deformation resistance of a flange, is a problem which needs to be solved urgently by a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

Therefore, an object of the present invention is to provide a pump body assembly, a compressor and an air conditioner having the same, which can increase the deformation resistance of a flange.

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

a flange including a flange neck;

the silencer comprises a shell, a first opening is formed in the shell, and a flange neck is arranged in the first opening;

a first reinforcing portion provided on an inner peripheral side of the first opening; the first reinforcement portion is used for fixing the flange neck portion.

Preferably, the first reinforcement is an annular reinforcement disposed circumferentially around an inner wall of the first opening.

Preferably, the thickness of the annular reinforcement is greater than the thickness of the shell;

and/or the inner diameter of the annular reinforcement part is d 1; the outer diameter of the flange neck is d 2; where d1 is d 2.

Preferably, the thickness of the annular reinforcing portion gradually increases in a direction approaching the first opening center axis;

and/or the annular reinforcement is in clearance fit with the neck of the flange.

Preferably, the flange further comprises a flange end; the housing is connected to the flange end.

Preferably, the housing has a second opening, and the second opening is opposite to the first opening; the inner wall of the second opening is in threaded connection with the outer peripheral side of the flange end.

Preferably, the flange neck is provided with a flexible structure.

Preferably, the flexible structure is a through hole.

Preferably, the number of the through holes is set to be plural; a plurality of through-holes evenly set up on the flange neck.

Preferably, the housing comprises a cylindrical structure; the first end of the cylindrical structure is a second opening; the second end of the cylindrical structure is provided with a first end face, and the first opening is formed in the first end face; and a second reinforcing part is arranged at the connecting position of the first end surface and the cylindrical structure.

Preferably, the first end of the flange neck is connected with the flange end; the second end of the flange neck is far away from the flange end; the end surface of the annular reinforcing part far away from the end part of the flange corresponds to the position of the second end of the neck part of the flange.

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 fixes the flange neck through first rib, can increase flange anti deformability.

Drawings

FIG. 1 is a schematic structural view of a pump body assembly according to an embodiment of the present application;

FIG. 2 is a cross-sectional view of a muffler according to an embodiment of the present application;

FIG. 3 is a cross-sectional view of a flange according to an embodiment of the present application;

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

fig. 5 is a schematic structural diagram of a flange according to an embodiment of the present application.

The reference numerals are represented as:

1. a flange; 11. a flange neck; 12. a flange end; 121. a second thread formation; 2. a muffler; 21. a first end face; 211. a first opening; 22. a second opening; 221. a first thread formation; 23. a tubular structure; 24. an exhaust hole; 3. a first reinforcing portion; 4. a through hole; 5. a crankshaft; 6. a cylinder; 7. sliding blades; 8. a roller.

Detailed Description

Referring collectively to fig. 1, according to an embodiment of the present application, a pump body assembly includes a flange 1, a muffler 2, and a first reinforcement 3, the flange 1 including a flange neck 11; the silencer 2 comprises a shell, wherein the shell is provided with a first opening 211, and a flange neck 11 is arranged in the first opening 211; the first reinforcing portion 3 is provided on the inner peripheral side of the first opening 211; the first reinforcement part 3 is used for fixing the flange neck part 11, and the flange deformation resistance can be increased by fixing the flange neck part 11 through the first reinforcement part 3.

Referring to fig. 2 and 4 in combination, the present application also discloses embodiments, and the first reinforcement portion 3 is an annular reinforcement portion circumferentially disposed around the inner wall of the first opening 211, which can provide a better fixing effect for the flange neck portion 11.

Further, the flange is an upper flange.

Further, the thickness of the annular reinforcement is greater than the thickness of the shell; the strength of the annular reinforcing part is higher, and the flange neck part 11 can be better fixed.

And/or the inner diameter of the annular reinforcement part is d 1; the flange neck 11 has an outer diameter d 2; d1 ═ d2, namely, the inner surface of the annular reinforcing part is contacted with the outer surface of the flange neck part 11, so as to fix the annular reinforcing part, the flange neck part 11 can be better fixed, and the deformation resistance of the upper flange is effectively increased.

Further, in the direction close to the central axis of the first opening 211, the thickness of the annular reinforcing part is gradually increased, and a "T" shaped structure is formed, wherein the thickness of the "T" shaped structure, that is, the part in contact with the flange neck 11, is the largest, and the contact area with the flange neck 11 is large, so that the fixing effect is better, the contact stress concentration between the crankshaft 5 and the upper flange bearing is further reduced, and the friction loss and the noise are reduced accordingly.

And/or the annular reinforcing part is in clearance fit with the flange neck part 11, so that the reinforcing and fixing effect of the silencer on the upper flange neck part can be realized, and the deformation resistance of the upper flange is effectively improved.

Referring to fig. 3 and 5 in combination, the present application also discloses embodiments where the flange 1 further comprises a flange end 12; the housing is connected to the flanged end 12.

Further, the housing has a second opening 22, and the second opening 22 is opposite to the first opening 211; the inner wall of the second opening 22 is screwed to the outer peripheral side of the flange end 12, so that deformation caused by the muffler pressing the end face of the upper flange due to the fact that the muffler is assembled by screws is avoided.

The pump body structure of this application includes bent axle 5, goes up the flange, the muffler, cylinder 6, gleitbretter 7, roller 8, lower flange. The motor rotor drives the crankshaft 5 to rotate, the upper flange is sleeved outside the long shaft of the crankshaft 5, the silencer is assembled outside the upper flange, the roller 8 is assembled at the eccentric part of the crankshaft 5 and is arranged inside the cylinder 6, the lower flange is sleeved on the short shaft of the crankshaft 5, the upper flange and the lower flange are respectively arranged at two sides of the cylinder 6 and form a compression space together with the inner circumference of the cylinder 6 and the outer circumference of the roller 8; the crankshaft 5 and the roller 8 are driven by a motor rotor, and the air cylinder 6 and the sliding sheet 7 are matched to perform air suction and compression work of a refrigerant. The crankshaft 5 rotates at a high speed under the constraint of the upper flange bearing, the unbalanced force generated by the rotor assembly causes the long shaft of the crankshaft 5 to generate certain deflection and bend, the upper flange bearing constrains the crankshaft 5, and contact stress concentration can be generated between the upper flange bearing and the crankshaft 5. The flange comprises a flange neck portion 11, flexible through holes and a flange end portion 12, wherein the flange neck portion 11 is provided with the flexible through holes 22 which are uniformly distributed in the radial direction, and the upper end of the outer circumferential surface of the flange end portion 12 is provided with a second thread structure. The internal surface of second opening is provided with first helicitic texture, first helicitic texture and second helicitic texture threaded connection.

Furthermore, the flange neck 11 is provided with a flexible structure, so that the radial deformation of the flange is effectively reduced, the radial designed gap between the crankshaft 5 and the upper flange bearing can be reduced, and the formation of an oil film between the crankshaft 5 and the bearing is promoted.

Furthermore, the flexible structure is a through hole 4, the upper flange deforms, and the rigidity of the through hole is lower than that of other parts of the upper flange, so that the through hole is easier to deform. When the crankshaft 5 is in contact with the bearing, the flexible structure with low rigidity preferentially deforms to realize elastic deformation between the crankshaft 5 and the bearing, so that the elastic deformation between the bearing and the crankshaft 5 is increased, the contact surface between the crankshaft 5 and the bearing is more attached, point contact is changed into surface contact, the influence of upper flange deformation on the crankshaft 5 is reduced, and the contact stress between the upper flange deformation and the crankshaft 5 is reduced, so that the through hole 4 is flexibly deformed, the influence of upper flange bearing deformation on the crankshaft 5 can be effectively reduced, and the contact stress between the crankshaft 5 and the upper flange bearing is reduced; meanwhile, the contact area between the upper flange and the crankshaft 5 is reduced by the through holes 4, so that the abrasion between the crankshaft 5 and a bearing is further reduced, and the friction loss is reduced; the quality of the upper flange can be reduced, the quality of the whole compressor is reduced, the vibration of the compressor can be effectively reduced, and the cost is reduced.

Further, the number of the through holes 4 is set to be plural; a plurality of through holes 4 are uniformly arranged on the flange neck 11.

Further, the housing comprises a cylindrical structure 23; the first end of the cylindrical structure 23 is a second opening 22; the second end of the cylindrical structure 23 is provided with a first end surface 21, and the first opening 211 is arranged on the first end surface 21; a second reinforcing part is arranged at the connecting position of the first end surface 21 and the cylindrical structure 23; the cylindrical structure 23 is connected with the first end face 21 through a chamfer to form a second reinforcing part, and the radius and the thickness of the chamfer are large, and the overall height is high, so that the reliability and the fatigue resistance of the silencer can be effectively improved.

Further, a first end of the flange neck 11 is connected with the flange end 12; a second end of the flange neck 11 remote from the flange end 12; the end face of the annular reinforcing part far away from the flange end part 12 corresponds to the position of the second end of the flange neck part 11, and the silencer has a large silencing cavity volume, so that the silencing effect can be effectively increased, and the improvement of reliability and noise reduction are facilitated.

The silencer 2 comprises a T-shaped structure at the upper end, a middle silencing cavity and an exhaust hole 24, wherein the silencer 2 and the flange 1 enclose the middle silencing cavity. This muffler 2 design has the following characteristics compared to a conventional compressor muffler 2: the inner diameter of the T-shaped structure at the upper end of the silencer 2 is consistent with the outer diameter of the flange neck 11 of the upper flange, the inner circumferential surface of the lower end structure is provided with a first thread structure 221, the assembly and fixation mode is in threaded fit with the upper flange bearing chassis, and the volume of the middle silencing cavity is larger.

When the motor rotor drives the crankshaft 5 to rotate at a high speed, the upper flange and the lower flange restrict the axial displacement of the crankshaft 5, the flange neck 11 of the upper flange restricts the radial displacement of the crankshaft 5, and the through hole 4 of the upper flange generates flexible deformation to improve the elastic deformation between the crankshaft 5 and the upper flange bearing. 2 covers of muffler are established on last flange, and 11 clearance fit of flange neck of upper end "T" shape structure and last flange, lower extreme structure make muffler 2 assemble on last flange with the 12 screw-thread fit of the flange tip of last flange, and upper end "T" shape structure plays the reinforcement effect to the flange neck 11 of last flange, encloses into middle amortization chamber between muffler 2 and the last flange simultaneously and weakens exhaust noise. The motor rotor drives the crankshaft 5 to rotate at a high speed, the crankshaft 5 bends, the crankshaft 5 is in contact with the flange neck 11 of the upper flange, the through hole 4 of the flange neck 11 of the upper flange generates elastic deformation, the elastic deformation between the crankshaft 5 and the upper flange is improved, and the contact stress concentration between the crankshaft 5 and the upper flange bearing is reduced; meanwhile, the silencer 2 is assembled on the upper flange by means of the matching of the first thread structure 221 of the silencer 2 and the second thread structure 121 on the outer circumference of the flange end part 12 of the upper flange, so that the deformation caused by the fact that the silencer 2 extrudes the end face of the upper flange when the silencer 2 is assembled by conventional screws is avoided, and the T-shaped structure at the upper end of the silencer 2 is in clearance fit with the flange neck part 11 of the upper flange, so that the fixation of the flange neck part 11 of the upper flange is enhanced, the deformation resistance of the upper flange is improved, the contact stress concentration between the crankshaft 5 and an upper flange bearing is further reduced, and the friction loss and the noise are reduced. On the other hand, an intermediate silencing cavity is formed between the silencer 2 and the upper flange, when the refrigerant gas in the cylinder 6 is discharged from the exhaust hole 24 of the upper flange, the refrigerant gas enters the intermediate silencing cavity formed by the enclosure of the silencer 2 and the upper flange, passes through the intermediate silencing cavity, and is discharged from the exhaust hole 24 of the silencer 2 after the noise level of the refrigerant gas is reduced, so that the exhaust process of the compressor is completed.

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

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:

a flange (1), said flange (1) comprising a flange neck (11);

a muffler (2), the muffler (2) comprising a housing having a first opening (211) therein, the flange neck (11) being disposed within the first opening (211);

a first reinforcing portion (3), the first reinforcing portion (3) being provided on an inner peripheral side of the first opening (211); the first reinforcement part (3) is used for fixing the flange neck (11).

2. The pump body assembly according to claim 1, characterized in that said first reinforcement (3) is an annular reinforcement disposed circumferentially around the inner wall of said first opening (211).

3. The pump body assembly of claim 2, wherein the annular reinforcement has a thickness greater than a thickness of the housing;

and/or the inner diameter of the annular reinforcing part is d 1; the outer diameter of the flange neck (11) is d 2; where d1 is d 2.

4. The pump body assembly according to claim 2, characterized in that the annular reinforcement has a thickness that increases progressively in a direction close to the central axis of the first opening (211);

and/or the annular reinforcement is in clearance fit with the flange neck (11).

5. The pump body assembly according to claim 2, characterized in that said flange (1) further comprises a flange end (12); the housing is connected to the flanged end (12).

6. The pump body assembly according to claim 5, characterized in that said housing has a second opening (22) therein, said second opening (22) being disposed opposite said first opening (211); the inner wall of the second opening (22) is in threaded connection with the outer peripheral side of the flange end (12).

7. Pump body assembly according to claim 1, characterized in that the flange neck (11) is provided with a flexible structure.

8. The pump body assembly according to claim 7, wherein the flexible structure is a through hole (4).

9. The pump body assembly according to claim 8, characterized in that said through hole (4) is provided in a plurality in number; the through holes (4) are uniformly formed in the flange neck (11).

10. The pump body assembly according to claim 6, wherein the housing comprises a cylindrical structure (23); the first end of the cylindrical structure (23) is the second opening (22); a second end of the cylindrical structure (23) is provided with a first end surface (21), and the first opening (211) is arranged on the first end surface (21); and a second reinforcing part is arranged at the connecting position of the first end surface (21) and the cylindrical structure (23).

11. The pump body assembly according to claim 5, characterized in that a first end of the flange neck (11) is connected to the flange end (12); a second end of the flange neck (11) being remote from the flange end (12); the end surface of the annular reinforcing part far away from the flange end part (12) corresponds to the position of the second end of the flange neck part (11).

12. A compressor comprising a pump body assembly, characterized in that it is a pump body assembly according to any one of claims 1 to 11.

13. An air conditioner comprising a compressor, wherein said compressor is the compressor of claim 12.