CN101372944A - Straight-line compressor - Google Patents
Straight-line compressor Download PDFInfo
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- CN101372944A CN101372944A CNA2007101876272A CN200710187627A CN101372944A CN 101372944 A CN101372944 A CN 101372944A CN A2007101876272 A CNA2007101876272 A CN A2007101876272A CN 200710187627 A CN200710187627 A CN 200710187627A CN 101372944 A CN101372944 A CN 101372944A
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- main body
- stop member
- supporting element
- shell
- linear compressor
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Abstract
The invention discloses a linear compressor which comprises a casing, a main body, an elastic component, a stopping piece and a support piece, wherein the main body is arranged inside the casing, comprises an air cylinder, a piston and a linear motor, and is discharged after a refrigerant is compressed inside the air cylinder by utilizing the piston driven by the linear motor; the elastic component is used for supporting the main body and ensures a certain height between the main body and the bottom surface of the casing at intervals; the stopping piece is arranged inside the casing, protrudes from the casing to the main body, and is used for limiting the main body to swing; and the support piece is combined with the stopping piece and used for supporting one end of the elastic component. The linear compressor has the advantages that the stopping piece for limiting the main body to swing inside the casing is combined with the support piece provided with the elastic component, so that the support piece can be easily arranged, and an additional component is not required to be used, thereby improving space usability inside the casing, and reducing the vibration of the main body and the casing.
Description
Technical field
The present invention relates to a kind of linear compressor.
Background technique
Usually compressor is to receive power from power generating apparatus such as motor or turbines, and air or refrigerant or other multiple working gas are compressed, and improves the mechanical device of pressure, is widely used in during home appliance such as refrigerator and air-conditioning or whole industry produce.
Above-mentioned compressor can be divided into the compression volume that is formed with suction, compression between piston and cylinder, discharges working gas substantially, allows piston carry out the straight line back and forth movement in cylinder interior, the reciprocating type compressor that refrigerant is compressed; Between the roller of off-centre rotation and cylinder, be formed with suctions, discharge the compression volume of working gas, allow roller carry out off-centre and rotate, the rotary compressor that refrigerant is compressed along cylinder inner wall; Between movable orbiting scroll and static vortex disk, be formed with suction, discharge the compression volume of working gas, allow movable orbiting scroll rotate, the turbocompressor that refrigerant is compressed along static vortex disk.
Recently, develop linear compressor in a lot of reciprocating type compressors.The piston of linear compressor directly is connected with the drive motor that carries out the straight line back and forth movement, and the mechanical loss that does not exist movement conversion to cause can improve compression efficiency, and simple structure.
As shown in Figure 1, 2, the linear compressor of prior art, its piston 4 carry out the straight line back and forth movement in cylinder 2 inside under the effect of linear electric motor 10, suck refrigerant and compress the back discharge.Linear electric motor 10 comprise inner stator 12, external stator 14 and permanent magnet 16.Permanent magnet 16 by and inner stator 12 and external stator 14 between the electromagnetic force effect under carry out the straight line back and forth movement.Permanent magnet 16 with state that piston 4 is connected under be driven, piston 4 carries out the straight line back and forth movement in cylinder 2 inside, sucks refrigerant and compresses the back and discharge.
In addition, linear compressor comprises the framework 3 that cylinder 2 is set, and also comprises and the electrical machinery cover 5 of framework 3 by the bolt assembling.Linear electric motor 10 are arranged between framework 3 and the electrical machinery cover 5.On electrical machinery cover 5, be provided with back of the body cover 6, support spring 7 one ends that are connected with piston 4.
The vibration system of linear compressor for the purpose of simplifying the description, below the path of cylinder 2, piston 4, framework 3, electrical machinery cover 5, back of the body cover 6, spring 7, linear electric motor 10, circulation refrigerant and the parts that are used in the refrigerant compression are generically and collectively referred to as main body.
Linear compressor main body 20 directly is not placed on shell 1 bottom surface in the shell 1, but is provided with by the bottom surface of elastic member 9 from shell 1 with being separated by.This is because main body 20 is vibrated because of the motion of piston 4, for the vibration that prevents aforementioned body 20 directly passes to shell 1, increases the vibration of linear compressor.Usually, elastic member 9 comprises elastic member 9f that is arranged on main body 20 the place aheads and the elastic member 9r that is arranged on main body 20 rears, and elastic member 9f and elastic member 9r form a pair of respectively, and promptly main body 20 is supported by four elastic members 9.
In addition, under influence of vibration, shake, be provided with stop member 30 in shell 1 inside in order to prevent main body 20.Stop member 30 can also can be arranged on shell 1 inside with other parts by allowing a part side-prominent mode in shell 1 of shell 1 form.If make stop member 30, then need be arranged on a side that is provided with electrical machinery cover 5 (below be called the rear) of shell 1 inside usually with other parts.When main body 20 shook, stop member 30 prevented that electrical machinery cover 5 from moving to rear, stop member 30 set position.
As shown in Figure 3, stop member one embodiment of prior art, stop member 30 has certain-length on portion's direction in the enclosure.As shown in Figure 1, when above-mentioned stop member 30 is arranged on shell 1 both sides, can also prevent rocking on the left and right directions of main body 20.The arrow of Fig. 3 is represented the moving direction of the main body 20 that stop member 30 can limit.
Summary of the invention
Technical problem to be solved by this invention is, provide a kind of on the stop member that the restriction main body moves the linear compressor in conjunction with the elastic member supporting element, change elastic member supporting structure, the vibration of decay linear compressor.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of linear compressor comprises shell; Be arranged on enclosure, comprise cylinder, piston and linear electric motor, utilize by the piston of linear motor driving, the main body of behind the cylinder interior compression refrigerant, discharging; Supportive body makes the be separated by elastic member of certain altitude of main body and shell bottom surface; Be arranged on enclosure, the stop member outstanding from shell, that the restriction main body is rocked to main body; Combine the supporting element of support elastic parts one end with stop member.Cylinder is fixed on the framework, and piston is carried out straight line back and forth movement, compression refrigerant by linear motor driving in cylinder interior.Linear electric motor are arranged between framework and the electrical machinery cover, and framework and electrical machinery cover are assembled mutually by bolt.On electrical machinery cover, be provided with back of the body cover, between piston and back of the body cover, be provided with elastic member, allow piston under the condition of resonance, move.Stop member prevents because the moving person undue oscillation of piston.Elastic member is provided with the main body certain altitude ground that is separated by from the shell bottom surface, prevents that the vibration of main body from directly passing to shell.The supporting element that elastic member is set combines with stop member.By said structure, elastic member is pressed stop member and the residing in the enclosure position of supporting element, makes it to be provided with from the bottom surface of shell with being separated by.
Supporting element of the present invention comprises cylindric assembly department, is formed on the top of assembly department, and external diameter is less than the portion that is pressed into of assembly department.By said structure, the elastic member portion of being mounted supports, and is fixed by the portion of being pressed into.Normally used elastic member is a coil spring, such as, an end of coil spring is positioned on the assembly department, and the portion of being pressed into is pressed into the inside of coil spring.Can prevent that coil spring breaks away from from supporting element.Be pressed into an end of portion, be formed with and allow the guide portion that easily is pressed into elastic member inside.Guide portion is such as having cross sectional area less than the structure that is pressed into portion's cross sectional area.Guide has hemisphere, taper shape, the top degree coniform shape of pruning is advisable, and has to be distal to more to be pressed into the more little structure of portion's side area of section.
Stop member of the present invention and supporting element are provided with from the shell bottom surface with being separated by.Can change main body supporting structure in the shell by said structure, reduce the vibration of main body and shell.Such as, the position at the certain altitude of being separated by in the shell bottom surface at shell rear is provided with stop member and supporting element.
Supporting element of the present invention is arranged on the position that the part of stop member is bent to form.Can be by this structure easily in conjunction with supporting element and stop member.
Main body of the present invention comprises the main body side supporting element that the elastic member the other end is installed.Such as, the main body side supporting element can be arranged on electrical machinery cover or the back of the body cover.As another embodiment, the main body side supporting element can form by the part of crooked back of the body cover.
Each two of elastic members of the present invention are arranged on the place ahead of discharge refrigerant and the rear that refrigerant flows into, and are provided with 4 altogether, and stop member and supporting element are positioned at the enclosure rear.By said structure, it is highly different to allow the forward and backward side of elastic member of supportive body be provided with, the vibration of the main body that can decay and shell.
The invention has the beneficial effects as follows: the stop member that linear compressor of the present invention portion's restriction in the enclosure main body is rocked combines with the supporting element that elastic member is set, and supporting element can easily be set.In addition, when elastic member is provided with from the shell bottom surface, extra parts need not be used with being separated by, the space usage degree of enclosure can be improved.In addition, it is different that linear compressor of the present invention is provided with the position by the elastic member at shell the place ahead and rear, can reduce the vibration of main body and shell.Linear electric motor of the present invention are under the situation that does not increase the supporting element size, and what can allow elastic member is provided with position and the shell bottom surface certain altitude of being separated by.
Description of drawings
Fig. 1 is prior art linear compressor one embodiment's stereogram.
Fig. 2 is prior art linear compressor one embodiment's sectional drawing.
Fig. 3 is stop member one embodiment's schematic representation of prior art.
Fig. 4 is the linear compressor stereogram of one embodiment of the invention.
Fig. 5 is the stop member that linear compressor had and supporting element one embodiment's plan view of one embodiment of the invention.
Fig. 6 is the stop member that linear compressor had and supporting element one embodiment's side schematic view of one embodiment of the invention.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail:
Fig. 4 is the linear compressor schematic representation of one embodiment of the invention.
As shown in Figure 4, linear compressor of the present invention comprises shell 100, is positioned at the main body 200 of shell 100, the elastic member 290 of supported main body 200.Main body 200 comprises cylinder (figure slightly), piston (figure slightly), framework 203, electrical machinery cover 205, back of the body cover 206, spring 207 and linear electric motor 210.Be provided with linear electric motor 210 between framework 203 and electrical machinery cover 205, be provided with cylinder (figure slightly) and piston (figure slightly) in the inside of linear electric motor 210 hollows, under the effect of linear electric motor 210, piston carries out straight line back and forth movement compression refrigerant in cylinder interior.
Be provided with stop member 230 at the rear of shell 100, prevent the motion owing to piston, violent oscillatory motions take place in main body 200.Be arranged on the left and right sides at shell 100 rears, the amplitude when amplitude when limiting main body 200 simultaneously and rearward rocking and double swerve stop member 230 a pair ofs.Under the effect of stop member 230, electrical machinery cover 205 can not move to more than the certain position, can limit the back to displacement of main body 200.In addition, stop member 230 has from the length of shell 100 to shell 100 medial expansion.Thereby when stop member 230 was arranged on shell 100 both sides, under the effect of stop member 230 1 ends, the peak swing on the left and right directions of back of the body cover 206 obtained restriction, made the displacement on the left and right directions of main body 200 obtain restriction.
On back of the body cover 206, be formed with the main body side supporting element 250 of support elastic parts 290 the other ends.Main body side supporting element 250 can be arranged on the back of the body cover 206 by independent manufacturing, also can be crooked the part of back of the body cover 206, and cover on 206 parts at the back of the body of bending and to be provided with.When making main body side supporting element 250 separately, not only can be arranged on back of the body cover 206, can also be arranged on the electrical machinery cover 205.
Shown in Fig. 5,6, stop member 230 comprises extension part 231, assembly department 232 and the position 233 that is bent to form by the part of stop member.Assembly department 232 is for stop member 230 being set, being arranged on the part of shell 100 inwalls.In addition, to shell 100 inboards, promptly main body side extends extension part 231 from assembly department, is the whole part of rocking of restriction.In addition, the position 233 in that the part of stop member is bent to form is equipped with supporting element 240.The arrow of Fig. 5, Fig. 6 is represented the movement direction of the main body (figure slightly) that extension part 231 can limit.
On supporting element 240, the elastic member of supportive body is installed.Supporting element 240 comprises assembly department 241, is pressed into portion 242 and guide portion 243.Assembly department 241 is the parts that are used to install elastic member one end.In addition, in order to allow elastic member firmly combine, be pressed in the internal diameter that portion 242 is pressed into elastic member with supporting element 240.Guide portion 243 is formed on an end of the portion of being pressed into 242, such as have hemisphere, taper shape, the coniform shape at the top of pruning, its cross sectional area is less than the cross sectional area that is pressed into portion 242.Preferably guide portion 243 trippings are gone into more for a short time being advisable of portion 242 cross sectional area far away more.Thereby guide portion 243 can allow the portion of being pressed into 242 be easily inserted in the elastic member.
Claims (5)
1. a linear compressor is characterized in that, comprises shell; Be arranged on enclosure, comprise cylinder, piston and linear electric motor, utilize the main body of behind the cylinder interior compression refrigerant, discharging by the piston of linear motor driving; Supportive body makes the be separated by elastic member of certain altitude of main body and shell bottom surface; Be arranged on enclosure, outstanding from shell to main body, the stop member that the restriction main body is rocked; Combine the supporting element of support elastic parts one end with stop member.
2. linear compressor according to claim 1 is characterized in that described supporting element comprises cylindric assembly department, is formed on the top, external diameter of the assembly department portion that is pressed into less than assembly department.
3. linear compressor according to claim 1 is characterized in that described stop member and supporting element are provided with from the shell bottom surface with being separated by.
4. linear compressor according to claim 1 is characterized in that, described supporting element is arranged on the position that the part of stop member is bent to form.
5. linear compressor according to claim 1 is characterized in that, each two of described elastic members are arranged on the place ahead of discharge refrigerant and the rear that refrigerant flows into, and are provided with 4 altogether, and stop member and supporting element are positioned at the enclosure rear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101876272A CN101372944B (en) | 2007-08-22 | 2007-11-20 | Straight-line compressor |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710059215 | 2007-08-22 | ||
| CN200710059215.0 | 2007-08-22 | ||
| CN2007101876272A CN101372944B (en) | 2007-08-22 | 2007-11-20 | Straight-line compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101372944A true CN101372944A (en) | 2009-02-25 |
| CN101372944B CN101372944B (en) | 2011-03-30 |
Family
ID=40447266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101876272A Active CN101372944B (en) | 2007-08-22 | 2007-11-20 | Straight-line compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101372944B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100350805B1 (en) * | 2000-03-09 | 2002-09-05 | 삼성광주전자 주식회사 | Sealed compressor |
| CN100398819C (en) * | 2003-12-12 | 2008-07-02 | 乐金电子(天津)电器有限公司 | Fixing device for stator in reciprocal movement type compressor |
| JP4519490B2 (en) * | 2004-03-18 | 2010-08-04 | 日立アプライアンス株式会社 | Scroll compressor |
| CN100575705C (en) * | 2004-11-24 | 2009-12-30 | 泰州乐金电子冷机有限公司 | A kind of Linearkompressor |
-
2007
- 2007-11-20 CN CN2007101876272A patent/CN101372944B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101372944B (en) | 2011-03-30 |
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