CN107288841B - Linear compressor and assembling method thereof - Google Patents
Linear compressor and assembling method thereof Download PDFInfo
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- CN107288841B CN107288841B CN201610189891.9A CN201610189891A CN107288841B CN 107288841 B CN107288841 B CN 107288841B CN 201610189891 A CN201610189891 A CN 201610189891A CN 107288841 B CN107288841 B CN 107288841B
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- front flange
- inner stator
- silicon steel
- steel sheets
- linear compressor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/04—Machines with one rotor and two stators
Abstract
The invention provides a linear compressor and an assembling method thereof. The linear compressor comprises a shell, a piston, an air cylinder, an inner stator, an outer stator, a coil and a front flange plate, wherein the piston, the air cylinder, the inner stator, the outer stator, the coil and the front flange plate are arranged in the shell, the air cylinder and the outer stator are arranged on the front flange plate, the piston is inserted into the air cylinder, a sleeve which is coaxially arranged is formed at the back of the front flange plate, a flanging structure is formed at the free end of the sleeve, a mounting groove is formed between the flanging structure and the back of the front flange plate, the inner stator is arranged in the mounting groove, the coil is arranged on the inner stator, and a rod body of the piston is inserted into the sleeve. The assembly efficiency of the linear compressor is improved, and the assembly quality is improved.
Description
Technical Field
The present invention relates to a compressor, and more particularly, to a linear compressor and an assembling method thereof.
Background
At present, the compressors used in the refrigeration equipment are of a rotary type and a linear type, and the linear compressors in the prior art generally comprise components such as a shell, a cylinder, a piston, an outer stator, an inner stator, a coil, a front flange plate and a stator pressure plate, for example: in the linear compressor disclosed in chinese patent application No. 201310044152.7, the piston and the outer stator are fixed on the front flange, while the inner stator is fixed on the front flange by the stator pressing plate, and then the rod body of the piston is inserted into the inner cavity formed by the inner stator and is arranged coaxially with the inner stator. However, in the actual assembly process, after the inner stator is fixedly mounted on the front flange plate through the stator pressing plate, the coaxiality among the inner stator pressing plate, the inner stator and the front flange is poor, so that the lateral offset force of a rod body of the piston is large, the mechanical friction is easily increased to generate faults, and the mechanical efficiency is reduced due to the serious friction; in addition, the assembly needs to be adjusted by means of an additional coaxiality control tool, the assembly difficulty is high, and the assembly efficiency is low. The invention relates to a linear compressor which is convenient to assemble and improves the assembly efficiency and quality.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provided are a linear compressor and an assembling method thereof, which can improve the assembling efficiency and the assembling quality of the linear compressor.
The invention provides a technical scheme that the linear compressor comprises a shell, and a piston, an air cylinder, an inner stator, an outer stator, a coil and a front flange which are arranged in the shell, wherein the air cylinder and the outer stator are arranged on the front flange, the piston is inserted into the air cylinder, a sleeve which is coaxially arranged is formed at the back of the front flange, a flanging structure is formed at the free end part of the sleeve, an installation groove is formed between the flanging structure and the back of the front flange, the inner stator is arranged in the installation groove, the coil is arranged on the inner stator, and a rod body of the piston is inserted into the sleeve.
Further, the cylinder and the front flange are of an integral structure, and the cylinder is formed in the front of the front flange.
Furthermore, the inner stator comprises a plurality of silicon steel sheets, the silicon steel sheets are distributed around the circumferential surface of the sleeve, and the silicon steel sheets are clamped between the flanging structure and the front flange.
Furthermore, the inner stator comprises a plurality of silicon steel sheets, the silicon steel sheets are distributed around the circumferential surface of the sleeve, and two adjacent silicon steel sheets are connected together.
Further, two adjacent silicon steel sheets are clamped together; or, two adjacent silicon steel sheets are bonded together.
Furthermore, the inner stator comprises a plurality of silicon steel sheets, the silicon steel sheets are distributed around the circumferential surface of the sleeve, and the silicon steel sheets are provided with wire penetrating holes in which wires are arranged.
The invention also provides an assembly method of the linear compressor, which comprises the following steps: and the inner stator is arranged in the mounting groove formed by the front flange plate, and then a lead is wound on the inner stator to form a coil.
According to the linear compressor and the assembling method thereof, the sleeve and the flanging structure which are of an integral structure are formed on the front flange plate, an additional stator pressing plate is not needed, the sleeve and the flanging structure are formed on the front flange plate in the machining process, the high coaxiality of the axes of the front flange plate, the sleeve and the flanging structure can be ensured, the inner stator is directly assembled on the sleeve, and the rod body of the piston is positioned in the sleeve, so that the coaxiality of the inner stator and the piston is further ensured, when the piston moves, the lateral offset force can be effectively reduced, the friction force is reduced, the mechanical efficiency is improved, meanwhile, an operator does not need to use an additional coaxiality control tool during assembling, the step of installing the stator pressing plate is also saved, the assembling difficulty is effectively reduced, and the assembling efficiency and the assembling quality are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of a linear compressor according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the linear compressor of the present embodiment includes a housing 1, and a piston 2, a cylinder 3, an inner stator 4, an outer stator 5, a coil 6 and a front flange 7 disposed in the housing 1, wherein the cylinder 3 and the outer stator 5 are disposed on the front flange 7, the piston 2 is inserted into the cylinder 3, a sleeve 71 coaxially disposed is formed at a back of the front flange 7, a flange structure 72 is formed at a free end of the sleeve 71, a mounting groove (not shown) is formed between the flange structure 72 and a back of the front flange 7, the inner stator 4 is disposed in the mounting groove, the coil 6 is disposed on the inner stator 4, and a rod body 21 of the piston 2 is inserted into the sleeve 71.
Specifically, in the linear compressor of the embodiment, the sleeve 71 and the flange structure 72 which are integrally formed are formed on the front flange 7 in the machining process, and the front flange 7, the sleeve 71 and the flange structure 72 are integrally formed, so that high coaxiality among the three can be ensured, the inner stator 4 is arranged in the mounting groove, the inner stator 4 surrounds the outer part of the sleeve 71, and the inner stator 4 is positioned and mounted through the sleeve 71, so that high coaxiality between the inner stator 4 and the front flange 7 can be ensured, further, the rod body 21 of the piston 2 is inserted into the sleeve 71, and the coaxiality between the piston 2 and the inner stator 4 can be ensured; when the linear compressor of the embodiment is powered on, the coil 6 interacts with the permanent magnet 201, the mover 20 drives the piston 2 to reciprocate, and the high coaxiality design among the parts can reduce the lateral offset force of the moving part, so that the piston 2 can reciprocate more smoothly. Meanwhile, in the organizing process of an operator, the step of assembling the stator pressing plate is saved, extra coaxiality control tool assistance is not needed, and only the inner stator 4 and the coil 6 are assembled on the front flange 7 correspondingly, so that the assembling process is effectively simplified, and the assembling efficiency and the assembling quality are improved. Preferably, the cylinder 3 and the front flange 7 are of an integral structure, and the cylinder 3 is formed at the front part of the front flange 7. Specifically, in order to more effectively improve the coaxiality between the components, the cylinder 3 is formed in the front part of the front flange 7 during the processing of the front flange 7, so that the step of assembling the cylinder 3 is further saved during the assembling.
The inner stator 4 in this embodiment is generally assembled by a plurality of silicon steel sheets (not shown), the plurality of silicon steel sheets are distributed around the circumferential surface of the sleeve 71, and the inner stator 4 may be integrally assembled to the front flange 7 in various manners. For example: the silicon steel sheet is clamped between the flanging structure 72 and the front flange 7, and specifically, the silicon steel sheet is clamped between the flanging structure 72 and the front flange 7 in an interference fit manner; or, two adjacent silicon steel sheets may be connected together, specifically, the two adjacent silicon steel sheets may be clamped together, or the two adjacent silicon steel sheets are bonded together; or, the silicon steel sheet is provided with a wire penetrating hole, and a wire is arranged in the wire penetrating hole.
According to the linear compressor provided by the invention, the sleeve and the flanging structure which are of an integral structure are formed on the front flange, an additional stator pressing plate is not needed, the sleeve and the flanging structure are formed on the front flange in the machining process, the high coaxiality of the axes of the front flange, the sleeve and the flanging structure can be ensured, the inner stator is directly assembled on the sleeve, and the rod body of the piston is positioned in the sleeve, so that the coaxiality of the inner stator and the piston is further ensured, when the piston moves, the side offset force can be effectively reduced, the friction force is reduced, the mechanical efficiency is improved, meanwhile, an operator does not need to control a tool with the aid of extra coaxiality when assembling, the step of installing the stator pressing plate is also saved, the assembling difficulty is effectively reduced, and the assembling efficiency and the assembling quality are improved.
The invention also provides an assembly method of the linear compressor, which comprises the following steps: and the inner stator is arranged in the mounting groove formed by the front flange plate, and then a lead is wound on the inner stator to form a coil.
Specifically, the specific structure of the linear compressor in this embodiment can refer to the description of the linear compressor embodiment, and is not described herein again. In the assembling process of the linear compressor, the connecting mode of the prior art can be adopted for the assembling mode of the components such as the outer stator, the rotor and the like, and is not limited, and for the assembling method of the inner stator, the coil and the front flange plate, the assembling process of the inner stator can be directly completed in the mounting groove of the front flange plate due to the fact that the front flange plate is provided with the sleeve and the flanging structure, meanwhile, after the inner stator is assembled on the front flange plate, a lead forming the coil is wound on the inner stator, so that the assembling process of the three components is completed, the mounting and fixing process of a stator pressing plate is saved, and the assembling efficiency is improved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. The linear compressor is characterized by comprising a shell, a piston, an air cylinder, an inner stator, an outer stator, a coil and a front flange plate, wherein the piston, the air cylinder, the inner stator, the outer stator, the coil and the front flange plate are arranged in the shell;
the assembling method of the inner stator, the coil and the front flange plate comprises the following steps: mounting the inner stator in the mounting groove formed by the front flange plate, and then winding a lead on the inner stator to form the coil;
the method specifically comprises the following steps: the assembling process of the inner stator is directly finished in the mounting groove of the front flange plate, and after the inner stator is assembled on the front flange plate, a conducting wire forming the coil is wound on the inner stator.
2. The method of assembling a linear compressor as claimed in claim 1, wherein said cylinder and said front flange are of a unitary construction, said cylinder being formed at a front portion of said front flange.
3. The assembly method of a linear compressor according to claim 1, wherein the inner stator includes a plurality of silicon steel sheets, the plurality of silicon steel sheets are distributed around the circumferential surface of the sleeve, and the silicon steel sheets are clamped between the flange structure and the front flange.
4. The assembling method of a linear compressor according to claim 1, wherein the inner stator comprises a plurality of silicon steel sheets, the plurality of silicon steel sheets are distributed around the circumference of the sleeve, and adjacent two silicon steel sheets are connected together.
5. The assembly method of a linear compressor according to claim 4, wherein two adjacent silicon steel sheets are clamped together; or, two adjacent silicon steel sheets are bonded together.
6. The assembly method of a linear compressor according to claim 1, wherein the inner stator comprises a plurality of silicon steel sheets, the plurality of silicon steel sheets are distributed around the circumferential surface of the sleeve, the silicon steel sheets are provided with wire passing holes, and the wire passing holes are provided with wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610189891.9A CN107288841B (en) | 2016-03-30 | 2016-03-30 | Linear compressor and assembling method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610189891.9A CN107288841B (en) | 2016-03-30 | 2016-03-30 | Linear compressor and assembling method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN107288841A CN107288841A (en) | 2017-10-24 |
| CN107288841B true CN107288841B (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610189891.9A Active CN107288841B (en) | 2016-03-30 | 2016-03-30 | Linear compressor and assembling method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1122642A (en) * | 1997-06-28 | 1999-01-26 | Samsung Electron Co Ltd | Linear compressor |
| US6127750A (en) * | 1996-07-08 | 2000-10-03 | Isis Innovation Limited | Linear compressor motor |
| CN1766332A (en) * | 2004-10-27 | 2006-05-03 | 乐金电子(天津)电器有限公司 | Linear compressor |
| CN101294560A (en) * | 2008-05-28 | 2008-10-29 | 浙江大学 | Straight line type air compressor |
| CN103696934A (en) * | 2013-12-20 | 2014-04-02 | 安鲁荣 | Double-cylinder linear compressor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103850919A (en) * | 2012-12-03 | 2014-06-11 | 海尔集团公司 | Piston of linear compressor and linear compressor |
-
2016
- 2016-03-30 CN CN201610189891.9A patent/CN107288841B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6127750A (en) * | 1996-07-08 | 2000-10-03 | Isis Innovation Limited | Linear compressor motor |
| JPH1122642A (en) * | 1997-06-28 | 1999-01-26 | Samsung Electron Co Ltd | Linear compressor |
| CN1766332A (en) * | 2004-10-27 | 2006-05-03 | 乐金电子(天津)电器有限公司 | Linear compressor |
| CN101294560A (en) * | 2008-05-28 | 2008-10-29 | 浙江大学 | Straight line type air compressor |
| CN103696934A (en) * | 2013-12-20 | 2014-04-02 | 安鲁荣 | Double-cylinder linear compressor |
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| Publication number | Publication date |
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| CN107288841A (en) | 2017-10-24 |
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Effective date of registration: 20201110 Address after: 266101 No. 1 Haier Road, Laoshan District, Shandong, Qingdao Patentee after: QINGDAO HAIER SMART TECHNOLOGY R&D Co.,Ltd. Patentee after: Haier Zhijia Co.,Ltd. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee before: QINGDAO HAIER SMART TECHNOLOGY R&D Co.,Ltd. |
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