CN204140308U - Reciprocal compressor and there is its refrigerator - Google Patents

Reciprocal compressor and there is its refrigerator Download PDF

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Publication number
CN204140308U
CN204140308U CN201420451844.3U CN201420451844U CN204140308U CN 204140308 U CN204140308 U CN 204140308U CN 201420451844 U CN201420451844 U CN 201420451844U CN 204140308 U CN204140308 U CN 204140308U
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CN
China
Prior art keywords
reciprocal compressor
bent axle
fitting seat
axle sleeve
compression cylinder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420451844.3U
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Chinese (zh)
Inventor
徐敏
崔中
陈娟娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
Original Assignee
Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd filed Critical Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
Priority to CN201420451844.3U priority Critical patent/CN204140308U/en
Application granted granted Critical
Publication of CN204140308U publication Critical patent/CN204140308U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

The utility model provides a kind of reciprocal compressor and has its refrigerator.Reciprocal compressor comprises: housing, and housing encloses formation installation cavity; Drive portion, drive portion is arranged in installation cavity, and drive portion comprises drive motor and bent axle, and drive motor driving crank rotates; Fitting seat, fitting seat is arranged on drive motor, fitting seat is provided with the first through hole that the short transverse along reciprocal compressor extends, and bent axle drives with drive motor through the first through hole and is connected; Friction resistant axle sleeve, friction resistant axle sleeve is embedded in the first through hole, and is set in the periphery of bent axle; Compression cylinder, compression cylinder is arranged on fitting seat, and drives with drive portion and be connected.Can prevent bent axle from contacting with fitting seat in rotation process according to reciprocal compressor of the present utility model and the refrigerator with it and wear and tear, reducing the noise of reciprocal compressor, improve the working life of reciprocal compressor.

Description

Reciprocal compressor and there is its refrigerator
Technical field
The utility model relates to Compressor Technology field, more specifically, relates to a kind of reciprocal compressor and has its refrigerator.
Background technique
General employing block-head cylinder stand structure, existing whole cylinder block is full cast-iron structure, when bent axle is in bearing hole during rotary motion, because bent axle is spheroidal graphite cast iron structure, friction factor between the bent axle of this tampon cast-iron structure and gray cast iron bearing structure is large, cause the friction power loss of reciprocal compressor large, mechanical vibration are large, to reciprocal compressor performance and noise and vibration unfavorable; Number of patent application is the split type cylinder block that application discloses a kind of compressor for refrigeration of 201110189681.7, and axle sleeve and cylinder liner disclosed in this patent are gray cast iron material, and cylinder block body is aluminum alloy material.Axle sleeve and cylinder liner are fixed on cylinder block body by the shaft shoulder and location, convex mound.Because its cylinder liner and material, axle sleeve are gray cast iron, when cylinder liner and axle sleeve and crankshaft and piston routing motion, friction power loss is large, and adopts the fit system of keyway also cannot realize technique.
Model utility content
The utility model aims to provide a kind of reciprocal compressor and has its refrigerator, to solve the large problem that to rub between the bent axle of prior art compressor and axle sleeve.
For solving the problems of the technologies described above, according to an aspect of the present utility model, provide a kind of reciprocal compressor, this reciprocal compressor comprises: housing, and housing encloses formation installation cavity; Drive portion, drive portion is arranged in installation cavity, and drive portion comprises drive motor and bent axle, and drive motor driving crank rotates; Fitting seat, fitting seat is arranged on drive motor, fitting seat is provided with the first through hole that the short transverse along reciprocal compressor extends, and bent axle drives with drive motor through the first through hole and is connected; Friction resistant axle sleeve, friction resistant axle sleeve is embedded in the first through hole, and is set in the periphery of bent axle; Compression cylinder, compression cylinder is arranged on fitting seat, and drives with drive portion and be connected.
Further, bent axle is nodular iron casting, and friction resistant axle sleeve is aluminum axle sleeve or aluminum alloy axle sleeve.
Further, aluminum axle sleeve or aluminum alloy axle sleeve cylindrically structure.
Further, between friction resistant axle sleeve and fitting seat be interference fit.
Further, the end with eccentric mass of bent axle is positioned at the top of fitting seat, and compression cylinder is connected with bent axle, and with the motion of bent axle to compress the fluid in compression cylinder.
Further, compression cylinder comprises cylinder body and piston rod, and cylinder body is fixedly installed on fitting seat, and the free end of piston rod is connected with the eccentric mass of bent axle.
Further, compression cylinder and eccentric mass are positioned at same plane, and piston rod is perpendicular to bent axle.
Further, reciprocal compressor also comprises vibration damping portion, and vibration damping portion is arranged on the bottom of installation cavity, and drive portion is arranged on the upper end in vibration damping portion.
Further, vibration damping portion comprises multiple shock-absorbing spring be fixedly installed on bottom installation cavity.
Further, fitting seat is ironcasting.
According to another aspect of the present utility model, provide a kind of refrigerator, this refrigerator comprises reciprocal compressor, and reciprocal compressor is above-mentioned reciprocal compressor.
Application the technical solution of the utility model, during work, drive motor band dynamic crankshaft rotates in the first through hole, and then drives compression cylinder work, compresses the fluid entered in compression cylinder, bent axle is in the process of rotating, periphery due to bent axle is arranged with friction resistant axle sleeve, by the effect of friction resistant axle sleeve, can prevent bent axle from contacting with fitting seat in rotation process and wearing and tearing, reduce the noise of reciprocal compressor, improve the working life of reciprocal compressor.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 diagrammatically illustrates the sectional view of the utility model reciprocal compressor;
Fig. 2 diagrammatically illustrates the three-dimensional structure diagram of fitting seat of the present utility model;
Fig. 3 diagrammatically illustrates the three-dimensional structure diagram of friction resistant axle sleeve of the present utility model; And
Fig. 4 diagrammatically illustrates the three-dimensional structure diagram of bent axle of the present utility model.
Description of reference numerals: 10, housing; 11, installation cavity; 20, drive portion; 21, drive motor; 211, rotor; 212, stator; 22, bent axle; 221, eccentric mass; 222, refrigeration oil runner; 30, fitting seat; 31, the first through hole; 40, friction resistant axle sleeve; 50, compression cylinder; 51, cylinder body; 52, piston rod; 60, vibration damping portion; 70, bearing.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
See shown in Fig. 1 to Fig. 4, according to embodiment of the present utility model, provide a kind of reciprocal compressor.This reciprocal compressor comprises housing 10, drive portion 20, fitting seat 30, friction resistant axle sleeve 40 and compression cylinder 50, and wherein, housing 10 encloses and forms installation cavity 11; Drive portion 20 is arranged in installation cavity 11, and this drive portion 20 comprises drive motor 21 and bent axle 22, and this drive motor 21 driving crank 22 rotates; Fitting seat 30 is arranged on drive motor 21, fitting seat 30 is provided with the first through hole 31 that the short transverse along reciprocal compressor extends, and bent axle 22 drives with drive motor 21 through the first through hole 31 and is connected; Friction resistant axle sleeve 40 is embedded in the first through hole 31, and is set in the periphery of bent axle 22; Compression cylinder 50 is arranged on fitting seat 30, and drives with drive portion 20 and be connected.During work, drive motor 21 is with dynamic crankshaft 22 to rotate in the first through hole 31, and then drive compression cylinder 50 to work, compress the fluid entered in compression cylinder 50, bent axle 22 is in the process of rotating, and the periphery due to bent axle 22 is arranged with friction resistant axle sleeve 40, by the effect of friction resistant axle sleeve 40, can prevent bent axle 22 from contacting with fitting seat 30 in rotation process and wearing and tearing, reduce the noise of reciprocal compressor, improve the working life of reciprocal compressor.
In the present embodiment, the rotor 211 that drive motor 21 comprises stator 212 and is embedded in stator interior, bent axle 22 is embedded in the through hole of rotor 211 through the external part after the first through hole 31 on fitting seat 30, when motor drive motor 21 rotates, rotor 211 is with dynamic crankshaft 22 to rotate to drive compression cylinder 50 to work.
Preferably, the fitting seat 30 in the present embodiment is ironcasting, can not only ensure the intensity of whole fitting seat 30, and good anti-vibration, with low cost.
In the present embodiment, bent axle 22 is nodular iron casting, in order to the wearing and tearing of bent axle 22 can be reduced, reduce the frictional loss of bent axle 22, friction resistant axle sleeve 40 in the present embodiment is aluminum axle sleeve or aluminum alloy axle sleeve, material is that the friction between the bent axle 22 of spheroidal graphite cast iron and aluminum axle sleeve or aluminum alloy axle sleeve is little, low in energy consumption, can lower power consumption and the vibrating noise of whole reciprocal compressor, and then promote the combination property of reciprocal compressor.In other embodiments of the present utility model, friction resistant axle sleeve 40 can also be set to the less sleeve member of friction factor between bent axle 22 that other and spheroidal graphite cast iron makes.
Preferably, the aluminum axle sleeve in the present embodiment or aluminum alloy axle sleeve cylindrically structure, structure is simple, is convenient to processing, reduces the cost that enterprise manufactures.More preferably, drive friction resistant axle sleeve 40 to rotate in the process of rotating at driving crank 22 to prevent drive motor 21 and produce noise, friction resistant axle sleeve 40 in the present embodiment and be interference fit between fitting seat 30, by the mode of interference fit, just friction resistant axle sleeve 40 can be fixed in the first through hole 31 on fitting seat 30, can ensure installation precision without the need to processing special fixed structure, and structure is simple, noise is low.For the ease of the internal flow of refrigeration oil at reciprocal compressor, the bent axle 22 of the present embodiment is provided with and enters from the eccentric mass 221 of bent axle 22 and to spiral at the refrigeration oil runner 222 of the periphery of bent axle 22.During installation, bent axle 22 is arranged with bearing 70, and this bearing is positioned at the upper end of friction resistant axle sleeve 40.
In order to ensure that reciprocal compressor can realize reciprocating compression function, the end with eccentric mass 221 of the bent axle 22 in the present embodiment is positioned at the top of fitting seat 30, because compression cylinder 50 is also arranged on fitting seat 30, now compression cylinder 50 can be connected with the eccentric mass 221 of bent axle 22, when bent axle 22 rotates, by the effect of eccentric mass 221, compression cylinder 50 is driven to move to compress the fluid in compression cylinder 50 with bent axle 22.
Preferably, compression cylinder 50 comprises cylinder body 51 and piston rod 52, wherein, cylinder body 51 is fixedly installed on fitting seat 30, the free end of piston rod 52 is connected with the eccentric mass 221 of bent axle 22, when bent axle 22 rotates, eccentric mass 221 drives piston rod 52 to-and-fro motion to process cylinder body 51 inner fluid.
Preferably, compression cylinder 50 and eccentric mass 221 are positioned at same plane, and piston rod 52 is perpendicular to bent axle 22, during work, bent axle 22 drives piston rod 52 at the move in plane being parallel to installation cavity 11 bottom surface, the driving stroke of drive portion 20 pairs of compression cylinders 50 can be increased to greatest extent, be convenient to piston rod 52 to-and-fro motion with the fluid of compression cylinder 51 inside.
Refer again to shown in Fig. 1, in order to reduce vibration and the noise of reciprocal compressor further, the reciprocal compressor of the present embodiment also comprises vibration damping portion 60, this vibration damping portion 60 is arranged on the bottom of installation cavity 11, drive portion 20 is arranged in vibration damping portion 60, during work, the vibration that drive portion 20 produces and noise can be weakened by the effect in vibration damping portion 60 or be eliminated.
Preferably, vibration damping portion 60 in the present embodiment comprises multiple shock-absorbing spring (not shown) be fixedly installed on bottom installation cavity 11, the first end of this shock-absorbing spring is fixed on the bottom of installation cavity 11, drive portion 20 is fixed on shock-absorbing spring by locking mechanisms such as pins, structure is simple, is convenient to realize.In other embodiments of the present utility model, vibration damping portion 60 can also comprise the elastic structures such as rubber cushion.
According in another embodiment of the present utility model, provide a kind of refrigerator, this refrigerator comprises reciprocal compressor, and this reciprocal compressor is the compressor in above-described embodiment.
According to above-described embodiment of the present utility model, can know, reciprocal compressor of the present utility model and the refrigerator with it achieve following technique effect:
(1) reduce the frictional loss of reciprocal compressor, improve compressor performance.
(2) reduce the mechanical vibration that mechanical motion friction brings, reduce compressor noise vibration.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (11)

1. a reciprocal compressor, is characterized in that, comprising:
Housing (10), described housing (10) encloses and forms installation cavity (11);
Drive portion (20), described drive portion (20) is arranged in described installation cavity (11), described drive portion (20) comprises drive motor (21) and bent axle (22), and described drive motor (21) drives described bent axle (22) to rotate;
Fitting seat (30), described fitting seat (30) is arranged on described drive motor (21), described fitting seat (30) is provided with the first through hole (31) that the short transverse along described reciprocal compressor extends, described bent axle (22) to drive with described drive motor (21) through described first through hole (31) and is connected;
Friction resistant axle sleeve (40), described friction resistant axle sleeve (40) is embedded in described first through hole (31), and is set in the periphery of described bent axle (22);
Compression cylinder (50), described compression cylinder (50) is arranged on described fitting seat (30), and drives with described drive portion (20) and be connected.
2. reciprocal compressor according to claim 1, is characterized in that, described bent axle (22) is nodular iron casting, and described friction resistant axle sleeve (40) is aluminum axle sleeve or aluminum alloy axle sleeve.
3. reciprocal compressor according to claim 2, is characterized in that, described aluminum axle sleeve or described aluminum alloy axle sleeve cylindrically structure.
4. reciprocal compressor according to claim 1, is characterized in that, is interference fit between described friction resistant axle sleeve (40) and described fitting seat (30).
5. reciprocal compressor according to claim 1, it is characterized in that, the end with eccentric mass (221) of described bent axle (22) is positioned at the top of described fitting seat (30), described compression cylinder (50) is connected with described bent axle (22), and with the motion of bent axle (22) to compress the fluid in described compression cylinder (50).
6. reciprocal compressor according to claim 5, it is characterized in that, described compression cylinder (50) comprises cylinder body (51) and piston rod (52), described cylinder body (51) is fixedly installed on described fitting seat (30), and the free end of described piston rod (52) is connected with the eccentric mass (221) of described bent axle (22).
7. reciprocal compressor according to claim 6, it is characterized in that, described compression cylinder (50) and described eccentric mass (221) are positioned at same plane, and described piston rod (52) is perpendicular to described bent axle (22).
8. reciprocal compressor according to claim 1, it is characterized in that, described reciprocal compressor also comprises vibration damping portion (60), described vibration damping portion (60) is arranged on the bottom of described installation cavity (11), and described drive portion (20) is arranged on the upper end of described vibration damping portion (60).
9. reciprocal compressor according to claim 8, is characterized in that, described vibration damping portion (60) comprises multiple shock-absorbing spring being fixedly installed on described installation cavity (11) bottom.
10. reciprocal compressor according to any one of claim 1 to 9, is characterized in that, described fitting seat (30) is ironcasting.
11. 1 kinds of refrigerators, comprise reciprocal compressor, it is characterized in that, the reciprocal compressor of described reciprocal compressor according to any one of claim 1 to 10.
CN201420451844.3U 2014-08-11 2014-08-11 Reciprocal compressor and there is its refrigerator Expired - Fee Related CN204140308U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420451844.3U CN204140308U (en) 2014-08-11 2014-08-11 Reciprocal compressor and there is its refrigerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420451844.3U CN204140308U (en) 2014-08-11 2014-08-11 Reciprocal compressor and there is its refrigerator

Publications (1)

Publication Number Publication Date
CN204140308U true CN204140308U (en) 2015-02-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420451844.3U Expired - Fee Related CN204140308U (en) 2014-08-11 2014-08-11 Reciprocal compressor and there is its refrigerator

Country Status (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105332892A (en) * 2014-08-11 2016-02-17 珠海格力节能环保制冷技术研究中心有限公司 Reciprocating compressor and refrigerator with reciprocating compressor
CN115898821A (en) * 2022-11-24 2023-04-04 广东美芝精密制造有限公司 Compressors, pump body components and electrical equipment
CN116816638A (en) * 2023-08-14 2023-09-29 珠海格力电器股份有限公司 Bent axle subassembly, compressor and refrigerator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105332892A (en) * 2014-08-11 2016-02-17 珠海格力节能环保制冷技术研究中心有限公司 Reciprocating compressor and refrigerator with reciprocating compressor
CN115898821A (en) * 2022-11-24 2023-04-04 广东美芝精密制造有限公司 Compressors, pump body components and electrical equipment
CN116816638A (en) * 2023-08-14 2023-09-29 珠海格力电器股份有限公司 Bent axle subassembly, compressor and refrigerator

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150204

Termination date: 20210811