CN210196011U - Pump body subassembly, compressor and refrigeration plant - Google Patents

Pump body subassembly, compressor and refrigeration plant Download PDF

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Publication number
CN210196011U
CN210196011U CN201920734682.7U CN201920734682U CN210196011U CN 210196011 U CN210196011 U CN 210196011U CN 201920734682 U CN201920734682 U CN 201920734682U CN 210196011 U CN210196011 U CN 210196011U
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CN
China
Prior art keywords
pump
straight shaft
compressor
flange
eccentric block
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Active
Application number
CN201920734682.7U
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Chinese (zh)
Inventor
Zihao Li
李自好
Xumin Zhao
赵旭敏
Huiming Peng
彭慧明
Fenggang Fan
樊峰刚
Hongwei Zhang
张洪玮
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Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
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Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
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Priority to CN201920734682.7U priority Critical patent/CN210196011U/en
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Abstract

The utility model provides a pump body subassembly, compressor and refrigeration plant relates to refrigeration plant technical field. The pump body subassembly includes: the air cylinder comprises an air cylinder shell, a straight shaft, an eccentric block, a sliding vane, an air suction port and an air exhaust port, wherein the air cylinder shell can coaxially rotate along with the straight shaft; be equipped with the spout on the inside wall in compression chamber, be equipped with the elastic component in the spout, the gleitbretter sets up in the spout, and gleitbretter one end and elastic component butt, the other end and eccentric block's lateral wall butt. The utility model provides a pump body subassembly uses the straight shaft to replace original bent axle, can not carry out eccentric rotation, so need not set up the balancing piece on the rotor. Meanwhile, in the operation process, the eccentric block cannot move, the cylinder shell coaxially rotates along with the straight shaft, and eccentric rotation does not exist, so that the balance is good in the rotation process, the overall balance of the compressor cannot be damaged, and the noise of the compressor during operation is greatly reduced.

Description

Pump body subassembly, compressor and refrigeration plant
Technical Field
The utility model relates to a refrigeration plant field particularly, relates to a pump body subassembly, compressor and refrigeration plant.
Background
Refrigeration equipment such as air conditioners, refrigerators and the like are household equipment commonly used in life of people. The compressor is an extremely important component part in the refrigeration equipment. There are many types of compressors, such as a scroll compressor, a rotor compressor, and the like. The working principle of the existing rotor compressor is that a rotor drives a crankshaft to rotate, the crankshaft rotates to drive a roller to rotate, and therefore a sliding sheet is driven to slide to compress gas to form pressure difference. However, since the rotation of the crankshaft is eccentric, the overall balance is affected, so in practical application, the rotor must be provided with a balance block to maintain balance, but the balance block can ensure balance in a static state and cannot keep balance in a moving process, which results in noise that the compressor cannot avoid.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pump body subassembly, compressor and refrigeration plant aims at improving the pump body subassembly of current compressor and need install the balancing piece, and the great problem of operation in-process noise.
The utility model discloses a realize like this:
a pump body assembly comprising: the air cylinder comprises an air cylinder shell, a straight shaft, an eccentric block, a sliding sheet, an air suction port and an air exhaust port, wherein the air cylinder shell and the straight shaft are coaxially arranged, the air cylinder shell can coaxially rotate along with the straight shaft, a compression cavity is formed in the air cylinder shell, the eccentric block is arranged in the compression cavity and is eccentrically arranged with the straight shaft, and the outer side wall of the eccentric block is abutted against the inner side wall of the compression cavity;
a sliding groove is formed in the inner side wall of the compression cavity, an elastic piece is arranged in the sliding groove, the sliding piece is arranged in the sliding groove, one end of the sliding piece is abutted against the elastic piece, and the other end of the sliding piece is abutted against the outer side wall of the eccentric block;
the air suction port and the air exhaust port are communicated with the compression cavity.
Further, in the preferred embodiment of the present invention, the pump body assembly further includes a first flange, the first flange is provided with a shaft hole, the shaft hole is coaxial with the straight shaft, and the straight shaft is inserted into the shaft hole.
Further, in the preferred embodiment of the present invention, the pump body assembly further includes a second flange, the second flange is disposed on one side of the first flange, and the second flange is fixedly connected to the eccentric block.
Further, in the preferred embodiment of the present invention, the pump body assembly further includes a housing, the cylinder housing, the straight shaft and the first flange are all disposed in the housing, and the first flange is fixedly connected to the housing.
Further, in a preferred embodiment of the present invention, the straight shaft and the cylinder housing are integrally provided.
Further, in a preferred embodiment of the present invention, the eccentric block is cylindrical or elliptic cylindrical.
Further, in a preferred embodiment of the present invention, the air suction port is disposed on an outer sidewall of the eccentric block.
Further, in the preferred embodiment of the present invention, the exhaust port is disposed on the inner sidewall of the cylinder casing, or the exhaust port is disposed on the outer sidewall of the eccentric block.
A compressor comprising a pump body assembly according to any preceding claim.
A refrigeration equipment comprises the compressor.
The utility model has the advantages that: the utility model discloses a pump body subassembly that above-mentioned design obtained, during the operation, the rotor direct drive straight axle rotates, and the straight axle drives the coaxial rotation of cylinder casing of coaxial setting, and the eccentric block keeps motionless. When the cylinder casing rotates, go up the gleitbretter in the spout, along with the cylinder casing motion together, at this in-process, because the gleitbretter both ends respectively with the lateral wall butt of elastic component and eccentric block, so the gleitbretter can be at the in-process along with the cylinder casing motion, slide in the spout to cooperation cylinder casing and eccentric block compress the production pressure differential to gas. The utility model provides a pump body subassembly uses the straight shaft to replace original bent axle, can not carry out eccentric rotation, so need not set up the balancing piece on the rotor. Meanwhile, in the operation process, the eccentric block cannot move, the cylinder shell coaxially rotates along with the straight shaft, and eccentric rotation does not exist, so that the balance is good in the rotation process, the overall balance of the compressor cannot be damaged, and the noise of the compressor during operation is greatly reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a pump body assembly according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the inside of a cylinder shell in a pump body assembly according to an embodiment of the present invention.
Icon: a straight shaft 1; a cylinder case 2; an eccentric mass 3; an elastic member 4; a slip sheet 5; a first flange 6; a second flange 7; an air suction port 8; an exhaust port 9; a rotor 10; a housing 11.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Embodiment 1, please refer to fig. 1 and 2, this embodiment provides a pump body assembly, including: the air cylinder comprises an air cylinder shell 2, a straight shaft 1, an eccentric block 3, a sliding sheet 5, an air suction port 8 and an air exhaust port 9, wherein the air cylinder shell 2 and the straight shaft 1 are coaxially arranged, the air cylinder shell 2 can coaxially rotate along with the straight shaft 1, a compression cavity is arranged in the air cylinder shell 2, the eccentric block 3 is arranged in the compression cavity and is eccentrically arranged with the straight shaft 1, and the outer side wall of the eccentric block 3 is abutted to the inner side wall of the compression cavity;
a sliding groove is formed in the inner side wall of the compression cavity, an elastic part 4 is arranged in the sliding groove, a sliding piece 5 is arranged in the sliding groove, one end of the sliding piece 5 is abutted against the elastic part 4, and the other end of the sliding piece 5 is abutted against the outer side wall of the eccentric block 3; in this embodiment, the elastic member 4 is a spring.
The suction port 8 and the discharge port 9 are both communicated with the compression chamber.
When the air compressor runs, the rotor 10 is connected with the straight shaft 1, the rotor 10 directly drives the straight shaft 1 to rotate, the straight shaft 1 drives the coaxially arranged cylinder shell 2 to coaxially rotate, and the eccentric block 3 is kept still. When cylinder housing 2 rotated, go up gleitbretter 5 in the spout, along with cylinder housing 2 moves together, at this in-process, because gleitbretter 5 both ends respectively with the lateral wall butt of elastic component 4 and eccentric block 3, so gleitbretter 5 can be at the in-process along with cylinder housing 2 motion, slide in the spout to cooperation cylinder housing 2 and eccentric block 3 compress the production pressure differential to gas. Its compression principle is similar with current compressor, and eccentric block 3 can be regarded as the roller in the current compressor, and the difference lies in that eccentric block 3 keeps motionless in the pump body subassembly in this embodiment, rotates to cylinder housing 2, but the compression is kept away from and is all carried out gas compression through the volume that gleitbretter 5 changed crescent space, and its compression efficiency can not receive the influence.
The pump body assembly provided by the embodiment uses the straight shaft 1 to replace the original crankshaft, and does not rotate eccentrically, so that a balance weight does not need to be arranged on the rotor 10. Meanwhile, in the operation process, the eccentric block 3 cannot move, and the cylinder shell 2 coaxially rotates along with the straight shaft 1, so that the eccentric rotation does not exist, the balance is good in the rotation process, the integral balance of the compressor cannot be damaged, and the noise of the compressor during operation is greatly reduced.
Specifically, referring to fig. 1 and 2, in the present embodiment, the cylinder housing 2 is annular, and when the cylinder housing rotates, the inner sidewall always keeps contact with the eccentric block 3 to ensure the sealing property of the inner space. And the cylinder shell 2 and the straight shaft 1 are integrally arranged, so that the stability of the cylinder shell 2 during rotation is improved. The cylinder housing 2 may be formed integrally with the straight shaft 1 by injection molding or may be fixed and integrated by bolts or the like. In order to improve the sliding stability of the sliding piece 5, the eccentric block 3 is cylindrical or elliptic cylindrical. Preferably, the eccentric mass 3 has a cylindrical shape.
Further, referring to fig. 1 and fig. 2, in the present embodiment, the pump body assembly further includes a first flange 6, the first flange 6 is provided with a shaft hole, the shaft hole is coaxial with the straight shaft 1, and the straight shaft 1 is inserted into the shaft hole. First flange 6 sets up in cylinder housing 2 top, is located between cylinder housing 2 and the rotor 10, and the shaft hole that sets up on first flange 6 can play the effect of bearing, improves the 1 rotation in-process of straight axle at radial stability, reduces the noise in the motion process.
Further, referring to fig. 1 and fig. 2, in the present embodiment, the pump body assembly further includes a second flange 7, the second flange 7 is disposed on a side of the cylinder housing 2 away from the first flange 6, and the second flange 7 is fixedly connected to the eccentric block 3. The second flange 7 is disposed below the cylinder housing 2, and the eccentric mass 3 is fixedly disposed on an upper surface of the second flange 7, which may improve stability of the eccentric mass 3. Meanwhile, the second flange 7 can form axial binding force on the straight shaft 1, and the rotating stability of the straight shaft 1 is improved. In this embodiment, the eccentric mass 3 and the second flange 7 may be integrally formed by injection molding or may be fixed and integrated by bolts or the like.
Further, referring to fig. 1 and fig. 2, in the present embodiment, the pump body assembly further includes a housing 11, the cylinder housing 2, the straight shaft 1 and the first flange 6 are all disposed in the housing 11, and the housing 11 may be an existing compressor housing. In this embodiment, the first flange 6 and the second flange 7 are fixedly connected with the housing, so that the stability in the movement process is improved. Specifically, the first flange 6 and the second flange 7 are connected to the housing 11 by three-point welding.
Further, referring to fig. 1 and 2, in the present embodiment, the air inlet 8 is disposed on an outer sidewall of the eccentric block 3. The exhaust port 9 is arranged on the inner side wall of the cylinder shell 2, or the exhaust port 9 is arranged on the outer side wall of the eccentric block 3. Wherein the air inlet 8 is connected to the outside of the compressor or the compressor inlet pipe through a ventilation pipeline, and the air outlet 9 is connected to the compressor exhaust pipe through a ventilation pipeline. It should be noted that in this embodiment, the positions of the suction port 8 and the exhaust port 9 are determined according to the compression mechanism of the rotor 10 type compressor, and the positions of the suction port 8 and the exhaust port 9 will be described with reference to the drawings.
Fig. 2 is a schematic view of the case where the intake port 8 is provided on the outer side wall of the eccentric block 3 and the exhaust port 9 is provided on the inner side wall of the cylinder case 2. In this embodiment, the rotation direction of the cylinder housing 2 is clockwise rotation, the contact position of the eccentric block 3 and the cylinder housing 2 is twelve o 'clock position of the eccentric block 3, and the sliding groove and the sliding piece 5 are located at six o' clock position of the eccentric block 3. When setting, the air suction port 8 needs to be located at the next movement position of the contact position in the rotation direction, that is, the air suction port 8 should be located between the range of twelve o 'clock position to six o' clock position of the eccentric block 3 (clockwise direction). Preferably, the suction port 8 is located between twelve o 'clock positions and one o' clock position (clockwise direction) of the eccentric mass 3. The exhaust port 9 is provided in the cylinder housing 2 and changes its position with the rotation of the cylinder housing 2, and therefore needs to be defined by a sliding groove that is stationary relative to the cylinder housing 2. Specifically, the exhaust port 9 is located at the next movement position of the chute in the rotational direction. That is, the exhaust port 9 should be located on the left side of the chute, and the distance between the exhaust port 9 and the chute should be as small as possible to ensure the compression effect.
When the air inlet 8 and the air outlet 9 are both disposed on the outer side wall of the eccentric block 3, as also shown in fig. 2, the air inlet 8 should be located on the right side of the contact point, and the air outlet 9 should be located on the left side of the contact point. That is, the suction port 8 should be located between the twelve o 'clock position and the six o' clock position of the eccentric mass 3 (clockwise direction); the exhaust port 9 should be located between the range of six o 'clock to twelve o' clock positions (clockwise direction) of the eccentric mass 3. Preferably, the suction port 8 is located between the twelve o 'clock position and the one o' clock position of the eccentric mass 3 (clockwise direction); the exhaust port 9 is located between the range of eleven o 'clock position to twelve o' clock position of the eccentric mass 3 (clockwise direction).
In this embodiment, the principle of setting the positions of the suction port 8 and the exhaust port 9 is the same as the principle of setting the suction port 8 and the exhaust port 9 in the existing rotor 10 type compressor, and those skilled in the art can set and adjust the positions of the suction port 8 and the exhaust port 9 with the support of the present document and the prior art, so that the formed technical scheme also should be within the protection scope of the present application.
The present embodiment also provides a compressor, and the compressor includes any one of the pump body assemblies described above.
The embodiment also provides a refrigeration device which comprises the compressor.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A pump body assembly, comprising: the air cylinder comprises an air cylinder shell, a straight shaft, an eccentric block, a sliding sheet, an air suction port and an air exhaust port, wherein the air cylinder shell and the straight shaft are coaxially arranged, the air cylinder shell can coaxially rotate along with the straight shaft, a compression cavity is formed in the air cylinder shell, the eccentric block is arranged in the compression cavity and is eccentrically arranged with the straight shaft, and the outer side wall of the eccentric block is abutted against the inner side wall of the compression cavity;
a sliding groove is formed in the inner side wall of the compression cavity, an elastic piece is arranged in the sliding groove, the sliding piece is arranged in the sliding groove, one end of the sliding piece is abutted against the elastic piece, and the other end of the sliding piece is abutted against the outer side wall of the eccentric block;
the air suction port and the air exhaust port are communicated with the compression cavity.
2. The pump body assembly according to claim 1, further comprising a first flange, wherein the first flange is provided with a shaft hole, the shaft hole is coaxial with the straight shaft, and the straight shaft is inserted into the shaft hole.
3. The pump body assembly of claim 2, further comprising a second flange disposed on a side of the cylinder housing remote from the first flange, the second flange being fixedly coupled to the eccentric mass.
4. The pump body assembly of claim 2, further comprising a housing, wherein the cylinder housing, the straight shaft, and the first flange are disposed within the housing, and wherein the first flange is fixedly coupled to the housing.
5. The pump body assembly of claim 1, wherein the straight shaft and the cylinder housing are integrally formed.
6. The pump body assembly of claim 1, wherein the eccentric mass is cylindrical or elliptical cylindrical.
7. The pump body assembly of claim 1, wherein the suction port is provided on an outer sidewall of the eccentric mass.
8. The pump body assembly of claim 7, wherein the exhaust port is disposed on an inner sidewall of the cylinder housing or the exhaust port is disposed on an outer sidewall of the eccentric mass.
9. A compressor, characterized in that it comprises a pump body assembly according to any one of claims 1 to 8.
10. A refrigeration appliance, characterized in that it comprises a compressor according to claim 9.
CN201920734682.7U 2019-05-20 2019-05-20 Pump body subassembly, compressor and refrigeration plant Active CN210196011U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920734682.7U CN210196011U (en) 2019-05-20 2019-05-20 Pump body subassembly, compressor and refrigeration plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920734682.7U CN210196011U (en) 2019-05-20 2019-05-20 Pump body subassembly, compressor and refrigeration plant

Publications (1)

Publication Number Publication Date
CN210196011U true CN210196011U (en) 2020-03-27

Family

ID=69875802

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920734682.7U Active CN210196011U (en) 2019-05-20 2019-05-20 Pump body subassembly, compressor and refrigeration plant

Country Status (1)

Country Link
CN (1) CN210196011U (en)

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