CN1249342C - Reciprocating compressor - Google Patents
Reciprocating compressor Download PDFInfo
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- CN1249342C CN1249342C CN 02117791 CN02117791A CN1249342C CN 1249342 C CN1249342 C CN 1249342C CN 02117791 CN02117791 CN 02117791 CN 02117791 A CN02117791 A CN 02117791A CN 1249342 C CN1249342 C CN 1249342C
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Abstract
The present invention relates to a reciprocating compressor which is composed of a closed container, an inner box body, a back cover, a cylinder frame, a piston, a first resonance spring, a second resonance spring, and sucking and discharging valve assemblies, wherein the inner box body is arranged in the closed container, the back cover is covered on the back side of the inner box body, and a reciprocating movement type motor is arranged in the inner box body; the cylinder frame is covered on the front side of the inner box body and provided with a linear cylinder, and the piston is inserted in the cylinder in a sliding mode and can make a reciprocating movement in the cylinder; the sucking and discharging valve assemblies are respectively arranged on the tail end of a piston gas flow passage and a front end surface of the cylinder; guiding and supporting parts are respectively combined with a stator and a rotor of the reciprocating movement type motor, a guiding part is inserted in the guiding and supporting part in a sliding mode and can make a reciprocating movement in the guiding and supporting part, the piston is connected with the guiding part by a flexible connecting part, and the first resonance spring and the second resonance spring are respectively arranged on the inner side and the outer side of the guiding part.
Description
Technical field
The present invention relates to a kind of compressor, particularly relate to a kind of component-assembled that makes and divide difference minimized reciprocal compressor.
Background technique
General reciprocal compressor is, replaces crankshaft to form on the magnet assembly body of reciprocating motion type electric machine rotor by piston is combined in, and makes piston carry out straight reciprocating motion with the magnet assembly body and sucks, compresses and discharge the compressor of fluid.
Fig. 1 is the profile diagram of the reciprocal compressor of prior art.
As shown in Figure 1, the reciprocal compressor of prior art includes following structure: seal container V, interior side box body 1, the back of the body cover 2, cylinder framework 3, piston the 4, the 1st resonant spring 5A, the 2nd resonant spring 5B, inhaling valve 6 and exhaust valve assembly 7.Above-mentioned seal container V has suction pipe SP and discharge tube DP; The above-mentioned interior side box body 1 of cylinder shape is arranged on the inside of above-mentioned seal container V; Above-mentioned back of the body lid 2 covers the rear side of above-mentioned interior side box body 1, and its inside is equipped with reciprocating motion type electric machine M; Above-mentioned cylinder framework 3 covers the front side of above-mentioned inboard casing 1, and its center is provided with the 3a of cylinder portion; Above-mentioned piston 4 is combined on the rotor of above-mentioned reciprocating motion type electric machine M, and can be slidably inserted in the 3a of cylinder portion of above-mentioned cylinder framework 3, carries out straight reciprocating motion and sucks, compresses and discharge fluid in the inside of the above-mentioned cylinder 3a of portion; Above-mentioned the 1st resonant spring 5A and the 2nd resonant spring 5B elastic support guide above-mentioned piston 4 to carry out resonance motion in the both sides, front and back of above-mentioned piston 4; Above-mentioned inhaling valve 6 is installed in the end of the gas flow path F of above-mentioned piston 4, with the suction of control fluid; Above-mentioned exhaust valve assembly 7 is installed on the front-end face of the above-mentioned cylinder 3a of portion and above-mentioned inhaling valve 6 forms the compression volume of the above-mentioned cylinder 3a of portion together, with the discharge of control pressurized gas.
Above-mentioned back of the body lid 2 is circular, wherein is formed centrally the through hole 2a that is connected with above-mentioned suction pipe SP, and above-mentioned through hole 2a and the above-mentioned cylinder 3a of portion are concentric; The inside stator MS1 of above-mentioned reciprocating motion type electric machine M is installed on the outer circumferential face of the through hole 2a of above-mentioned back of the body lid 2, is fixed with the outer stator MS2 that keeps certain interval with above-mentioned inside stator MS1 on the inner side surface of above-mentioned back of the body lid 2; Above-mentioned inside stator MS1 and outer stator MS2 are concentric with the above-mentioned cylinder 3a of portion.
Be formed with the magnet framework MR of the cylinder shape that constitutes above-mentioned reciprocating motion type electric machine M rotor between above-mentioned inside stator MS1 and the outer stator MS2, above-mentioned magnet framework MR is concentric with the above-mentioned cylinder 3a of portion, is fixed with a plurality of magnet m on the outer circumferential face of above-mentioned magnet framework MR.
Gas flow path F connects the inside that is formed on above-mentioned piston 4, and above-mentioned gas stream F is communicated with the through hole 2a of above-mentioned back of the body lid 2 and the 3a of cylinder portion of above-mentioned cylinder framework 3.
Unaccounted symbol CS is a compression volume in the drawing.
Below, the working principle of prior art reciprocal compressor with said structure is elaborated.
At first the coil c on the outer stator MS2 that is arranged on above-mentioned reciprocating motion type electric machine M feeds electric current, and the magnet framework MR that makes the formation rotor by the induction field that forms between above-mentioned outer stator MS2 and the inside stator MS1 moves back and forth according to the left and right directions of drawing; Meanwhile, be combined in above-mentioned piston 4 on the above-mentioned magnet framework MR by its both sides above-mentioned the 1st resonant spring 5A and the 2nd resonant spring 5B in the inside of the above-mentioned cylinder 3a of portion to the left and right direction move back and forth.Above-mentioned piston 4 is contained in dielectric gas in the above-mentioned seal container V and is inhaled in the compression volume of the above-mentioned cylinder 3a of portion the compression back through the gas flow path F of the through hole 2a of above-mentioned back of the body lid 2 and above-mentioned piston 4 and discharges when moving back and forth.Above-mentioned reciprocal compressor carries out above-mentioned a series of process repeatedly.
But the prior art reciprocal compressor with said structure has following shortcoming.
That is to say to have only the through hole 2a of above-mentioned back of the body lid 2 and the 3a of cylinder portion of above-mentioned cylinder framework 3 are processed with one heart or assemble, just can make above-mentioned piston 4 carry out stable to-and-fro motion in the inside of the above-mentioned cylinder 3a of portion.But, because of the reason of the machining error of above-mentioned back of the body lid 2 and above-mentioned cylinder framework 3 or assembling tolerance etc. can produce the inconsistent situation of concentricity, above-mentioned situation also can cause the concentricity of the concentricity of above-mentioned inside stator MS1 and outer stator MS2 and above-mentioned magnet framework MR and the above-mentioned cylinder 3a of portion inconsistent, finally causes being difficult to the gap of accurately keeping above-mentioned cylinder 3a of portion and above-mentioned piston 4.
In addition, in conjunction with above-mentioned magnet framework MR and above-mentioned piston 4 time, owing to need to keep suitable spacing between above-mentioned magnet framework MR and above-mentioned outer stator MS2 and the inside stator MS1, also need to keep suitable spacing between above-mentioned piston 4 and the above-mentioned cylinder 3a of portion, so regulate gap between above-mentioned magnet framework MR and above-mentioned outer stator MS2 and the inside stator MS1 when assembling at the same time and difficulty has been brought in the aspect, gap between above-mentioned cylinder 3a of portion and the above-mentioned piston 4.So, the problem that causes packaging efficiency to reduce.
In addition, when above-mentioned piston 4 moves back and forth, under the inconsistent situation of concentricity of above-mentioned piston 4 and the above-mentioned cylinder 3a of portion, can produce the phenomenon that above-mentioned piston 4 collides the inner peripheral surface of the above-mentioned cylinder 3a of portion, cause producing wearing and tearing between above-mentioned two parts, bring fatal influence for the reliability of compressor.
Summary of the invention
In order to overcome the above-mentioned shortcoming that existing technology exists, the invention provides a kind of reciprocal compressor, so that cylinder portion can be easier to keep concentric with piston, to alleviate wearing and tearing and vibrations between the two; Simultaneously, can be easier to adjust gap between magnet framework and inside stator and the outer stator and the gap between cylinder portion and the piston.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of reciprocal compressor is made of seal container, interior side box body, back of the body lid, cylinder framework, piston, first resonant spring, second resonant spring, inhaling valve and exhaust valve assembly; Seal container is provided with suction pipe and discharge tube, and interior side box body is cylinder shape and the inside that is arranged on seal container, the rear side of side box body in back of the body lid covers, and its inboard is equipped with reciprocating motion type electric machine; The front side of side box body in the cylinder framework covers, its center is provided with rectilinear cylinder, also can move back and forth therein in the cylinder of piston slip insertion cylinder framework; Inhaling valve is installed in the end of piston gas stream, and exhaust valve assembly is installed on the cylinder front-end face of cylinder framework; It is characterized in that: be combined with guide support parts on the stator of described reciprocating motion type electric machine, be combined with a guide element and slidably inserting in the guide support parts on the reciprocating motion type electric machine rotor and move back and forth; The cylinder that forms compression volume is arranged on the front side of guide support parts, and piston and guide element are connected and can move back and forth in cylinder; Link parts and connect guide sections part and piston, link parts and form by flexible material; Inhaling valve is installed on the front-end face of above-mentioned piston, the suction of limit fluid; Discharge valve can be installed in the gas circuit end of above-mentioned piston, the discharge of limit fluid with opening and closing.
Based on above structure, the present invention can adjust the rotor of reciprocating motion type electric machine and the gap between the stator with comparalive ease, reduces the accumulation of machining error or assembly error, thereby improves the packaging efficiency of compressor.In the driven compressor process, the flexible binding parts between piston and the guide element can effectively prevent because of machining error or assemble the impact that tolerance causes, alleviate wearing and tearing and vibrations between compressor part, thereby improve the reliability of compressor.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the sectional arrangement drawing of reciprocal compressor of the prior art.
Fig. 2 is the sectional arrangement drawing of reciprocal compressor of the present invention.
Fig. 3 a and Fig. 3 b are reciprocal compressor working procedure schematic representation of the present invention.
Fig. 4 is the working state schematic representation of piston when assembling tolerance in the reciprocal compressor of the present invention.
Embodiment
Fig. 2 is the profile diagram of reciprocal compressor of the present invention, and Fig. 3 a and Fig. 3 b are the profile diagrams of the working procedure of reciprocal compressor of the present invention.
As shown in the figure, reciprocal compressor of the present invention includes following structure: seal container V, interior side box body 11, the back of the body covers 12, cylinder framework 13, guide element 14A, piston 14B, binding parts the 15, the 1st resonant spring 16A, the 2nd resonant spring 16B, inhaling valve 17 and exhaust valve assembly 18.Above-mentioned seal container V has suction pipe SP and discharge tube DP; The above-mentioned interior side box body 11 of cylinder shape is arranged on the inside of above-mentioned seal container V; Above-mentioned back of the body lid 12 covers the rear side of above-mentioned interior side box body 11, and its inboard is equipped with reciprocating motion type electric machine M, and its center is provided with guide support parts 12A; Above-mentioned cylinder framework 13 covers the front side of above-mentioned interior side box body 1, and its center is provided with rectilinear cylinder 13a; Guide sections part 14A is combined on the rotor of above-mentioned reciprocating motion type electric machine M, and can be slidably inserted in the guide support parts 12A of above-mentioned back of the body lid 12; Above-mentioned piston 14B can be slidably inserted in the cylinder 13a of above-mentioned cylinder framework 13, carries out straight reciprocating motion in the inside of above-mentioned cylinder 13a to suck, to compress and to discharge fluid; Above-mentioned binding parts 15 link guide sections part 14A and piston 14B; The both sides, front and back of above-mentioned the 1st resonant spring 16A and the 2nd resonant spring 16B elastic support guide sections part 14A, guiding guide sections part 14A and piston 14B carry out resonance motion; Above-mentioned inhaling valve 17 is installed in the end of the gas flow path F of above-mentioned piston 14B, with the suction of control fluid; Above-mentioned exhaust valve assembly 18 is installed on the front-end face of above-mentioned cylinder 13a and above-mentioned inhaling valve 17 forms the compression volume CS of above-mentioned cylinder 13a, the discharge of limit compression gas together.
Above-mentioned back of the body lid 12 is a toroidal, and its center is provided with the 12a of cylinder portion of the above-mentioned guide support parts 12A of the perforation formation that is connected with above-mentioned suction pipe SP, and the cylinder 13a of above-mentioned cylinder 12a of portion and above-mentioned cylinder framework 13 is concentric; The inside stator MS1 of above-mentioned reciprocating motion type electric machine M is installed on the outer circumferential face of the guide support parts 12A of above-mentioned back of the body lid 12, is fixed with the outer stator MS2 that keeps certain interval with above-mentioned inside stator MS1 on the inner side surface of above-mentioned back of the body lid 12; Above-mentioned inside stator MS1 and outer stator MS2 are concentric with above-mentioned guide support parts 12A.
Be formed with the magnet framework MR of the cylinder shape that constitutes above-mentioned reciprocating motion type electric machine M rotor between above-mentioned inside stator MS1 and the outer stator MS2, above-mentioned magnet framework MR is concentric with above-mentioned guide support parts 12A, the center of above-mentioned magnet framework MR is combined with guide element 14A, and guide sections part 14A can be slidably inserted in above-mentioned guide support parts 12A.
The center of guide sections part 14A is provided with the through hole 14a of axial formation, and an end of above-mentioned through hole 14a and above-mentioned binding parts 15 is not there to be mode secure bond such as expression or welding in the fixing pin drawing.
Above-mentioned cylinder 13a connects the center that is formed on above-mentioned cylinder framework 13, is combined with on the front-end face of above-mentioned cylinder 13a to include the exhaust valve assembly 18 that does not have prompting in the discharge valve drawing, and above-mentioned exhaust valve assembly 18 covers the front end of above-mentioned cylinder 13a.
The center of above-mentioned piston 14B is formed with gas flow path F, above-mentioned gas stream F is communicated with through hole 14a and the above-mentioned cylinder 13a of guide sections part 14A, and above-mentioned gas stream F is not equally have in the fixing pin drawing to represent or the other end secure bond of mode such as welding and above-mentioned binding parts 15.
In view of meeting produces the situation of guide sections part 14A and above-mentioned piston 14B decentraction, above-mentioned binding parts 15 are preferably by forming with flexible material like the coil spring tubing or being formed by omnipotent coupling piece (UNIVERSAL JOINT) etc.
Give identical symbol with the prior art same section among the figure.
Below, the assembling process of the press part of reciprocal compressor of the present invention with said structure is elaborated.
At first, inside stator MS1 and the outer stator MS2 of above-mentioned reciprocating motion type electric machine M are separately fixed on the above-mentioned back of the body lid 12, the guide sections part 14A that combines with the magnet framework MR that forms above-mentioned reciprocating motion type electric machine M rotor inserts and is combined in the 12a of cylinder portion of above-mentioned guide support parts 12A, simultaneously above-mentioned magnet framework MR being kept appropriate gap is inserted between above-mentioned inside stator MS1 and the outer stator MS2, the above-mentioned binding parts 15 that will combine with above-mentioned piston 14B are combined in the through hole 14a of guide sections part 14A in modes such as welding or fixing pins, guide sections part 14A inserted be combined in the above-mentioned guide support parts 12A, above-mentioned cylinder framework 13 secure bond that will be formed with above-mentioned cylinder 13a are in above-mentioned on the side box body 11.Finish the assembling of the press part of reciprocal compressor of the present invention through said process.
At this moment, above-mentioned magnet framework MR is inserted in the gap between above-mentioned inside stator MS1 and the outer stator MS2, guide sections part 14A is inserted under the interior state of above-mentioned guide support parts 12A simultaneously, and the inside and outside side clearance of keeping suitable above-mentioned magnet framework MR is combined in guide sections part 14A on the above-mentioned magnet framework MR.Because being inserted with the above-mentioned guide support parts 12A of guide sections part 14A and above-mentioned magnet framework MR almost is arranged in the scope on the same vertical line, so in conjunction with guide sections part 14A and above-mentioned magnet framework MR the time, can easily adjust the gap in the outside in the above-mentioned magnet framework MR, and above-mentioned magnet framework MR is combined on the guide sections part 14A.
In addition, preferably the 12a of cylinder portion of above-mentioned guide support parts 12A and the cylinder 13a of above-mentioned cylinder framework 13 are processed with one heart or assemble.But, when the cylinder 13a of 12a of cylinder portion that processes or assemble above-mentioned guide support parts 12A and above-mentioned cylinder framework 13, can produce the situation of deviation a little, in these cases, because the assembling of above-mentioned piston 14B and above-mentioned binding parts 15 is to carry out after above-mentioned binding parts 15 are assembled with guide sections part 14A, so can regulate the binding site of above-mentioned binding parts 15.So, can prevent the accumulation of machining error or assembling tolerance in advance.
Below, the action effect of reciprocating compressor of the present invention with said structure is elaborated.
At first the coil c on the outer stator MS2 that is arranged on above-mentioned reciprocating motion type electric machine M passes into electric current, Make the magnetic that consists of rotor by the induced field that forms between above-mentioned outer stator MS2 and the inside stator MS1 Iron frame MR moves back and forth according to the left and right directions of drawing, meanwhile, is combined in above-mentioned magnet frame Guide sections part 14A on the frame MR is by above-mentioned the 1st resonant spring 16A and the 2nd resonance of its both sides Spring 16B moves back and forth along left and right directions in the inside of guide support parts 12A, by above-mentioned company The above-mentioned piston 14B that knot part 15 and guide sections part 14A link is equally in above-mentioned cylinder 13a Section moves back and forth along left and right directions, and the medium in the above-mentioned closed container V is drawn into above-mentioned cylinder 13a Compression stroke in discharge after the compression. Reciprocating compressor of the present invention carries out above-mentioned a series of process repeatedly. At this moment, even the gas of the 12a of cylinder section of above-mentioned guide support parts 12A and above-mentioned cylinder framework 13 The cylinder 13a decentraction of cylinder framework 13, but by having flexual above-mentioned connecting member 15, not only Can relax above-mentioned piston 14B to the impulsive contact force of the cylinder 13a inner peripheral surface of above-mentioned cylinder framework 13, and Can also reduce the vibrations of compressor. In addition, can also prevent above-mentioned piston by above-mentioned connecting member 15 Wearing and tearing between 14B and the cylinder 13a have improved the power power reliability of compressor.
Claims (1)
1, a kind of reciprocal compressor is made of seal container, interior side box body, back of the body lid, cylinder framework, piston, first resonant spring, second resonant spring, inhaling valve and exhaust valve assembly; Seal container is provided with suction pipe and discharge tube, and interior side box body is cylinder shape and the inside that is arranged on seal container, the rear side of side box body in back of the body lid covers, and its inboard is equipped with reciprocating motion type electric machine; The front side of side box body in the cylinder framework covers, its center is provided with rectilinear cylinder, also can move back and forth therein in the cylinder of piston slip insertion cylinder framework; Inhaling valve is installed in the end of piston gas stream, and exhaust valve assembly is installed on the cylinder front-end face of cylinder framework; It is characterized in that:
Be combined with guide support parts on the stator of described reciprocating motion type electric machine, be combined with a guide element and slidably inserting in the guide support parts on the reciprocating motion type electric machine rotor and move back and forth; The cylinder that forms compression volume is arranged on the front side of guide support parts, and piston and guide element are connected and can move back and forth in cylinder; Link parts and connect guide sections part and piston, link parts and form by flexible material; Inhaling valve is installed on the front-end face of above-mentioned piston, the suction of limit fluid; Discharge valve can be installed in the gas circuit end of above-mentioned piston, the discharge of limit fluid with opening and closing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02117791 CN1249342C (en) | 2002-05-17 | 2002-05-17 | Reciprocating compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02117791 CN1249342C (en) | 2002-05-17 | 2002-05-17 | Reciprocating compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1458408A CN1458408A (en) | 2003-11-26 |
| CN1249342C true CN1249342C (en) | 2006-04-05 |
Family
ID=29426682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02117791 Expired - Fee Related CN1249342C (en) | 2002-05-17 | 2002-05-17 | Reciprocating compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1249342C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592145B (en) * | 2009-06-24 | 2011-04-13 | 上海齐耀动力技术有限公司 | Air inlet and exhaust valve of compressor |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4109249B2 (en) * | 2003-12-31 | 2008-07-02 | エルジー エレクトロニクス インコーポレイティド | Stator fixing device for reciprocating compressor |
| DE102004062300A1 (en) * | 2004-12-23 | 2006-07-13 | BSH Bosch und Siemens Hausgeräte GmbH | linear compressor |
| DE102005001470B3 (en) * | 2005-01-12 | 2006-07-20 | Aerolas Gmbh, Aerostatische Lager- Lasertechnik | Axially driven piston-cylinder unit |
| EP1785625A3 (en) * | 2005-11-10 | 2009-11-25 | LG Electronics Inc. | Linear Compressor |
-
2002
- 2002-05-17 CN CN 02117791 patent/CN1249342C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592145B (en) * | 2009-06-24 | 2011-04-13 | 上海齐耀动力技术有限公司 | Air inlet and exhaust valve of compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1458408A (en) | 2003-11-26 |
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