CN1781642A - Convex welding structure and mounting structure of reciprocating compressor brake with said structure - Google Patents
Convex welding structure and mounting structure of reciprocating compressor brake with said structure Download PDFInfo
- Publication number
- CN1781642A CN1781642A CN 200410093613 CN200410093613A CN1781642A CN 1781642 A CN1781642 A CN 1781642A CN 200410093613 CN200410093613 CN 200410093613 CN 200410093613 A CN200410093613 A CN 200410093613A CN 1781642 A CN1781642 A CN 1781642A
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The present invention relates to convex welding structure and thus formed reciprocating compressor brake mounting structure. After several parts are superposed, current is added concentratively to the jointing surface of one part to form welding lug and pressure is applied for convex welding. Around the lug, notched groove for holding molten welding material is formed. The said method can make two parts connected more firmly to reduce noise and raise rigidity, and may be used in welding the brake onto the casing to avoid the collision between the compressor and the main body, reduce noise and damage and raise the reliability of compressor.
Description
Technical field
The invention belongs to projection welding and construct and have the reciprocating compressor of this structure, particularly relate to a kind of installation constitution that brake can be connected to more closely the projection welding structure on the shell and have the reciprocating compressor brake of this structure.
Background technology
In general welding is to engage after the fused component local heat is become fusion or semi-molten state, can be divided into melting welding, pressure welding and soldering substantially.
Welding can be divided into the coal gas welding and Ya Hu Han Melting connects and exothermic welding etc., and pressure welding can be divided into electrical impedance welding and coal gas pressure welding.Soldering is divided into soft soldering and hard solder.
Wherein pressure welding is that the junction surface adds mechanical engage pressure at cold state or after being heated to suitable temperature, can be divided into spot welding, seam weldering and butt joint welding and projection welding.
Projection welding is that two mother metals are superimposed, and contact-making surface is because the electrical impedance heating when energising on the slit, and two mother metals plus-pressure under molten condition is made the state that is fit to carry out spot welding and made projection on the junction surface, the mode that electric current is concentrated with exactlying.This projection welding can well be burn-on thin plate or two different thin plates of heat conduction.Advantages such as the life-span of electrode is long in addition, operating efficiency is high, welding speed is fast, attractive in appearance
Fig. 1 is the profile of prior art reciprocating compressor, and Fig. 2 is the brake decomposing schematic representation of prior art reciprocating compressor, and Fig. 3 is the profile of stationary state of the brake of prior art reciprocating compressor.
The reciprocating compressor of prior art is to support by shell C with in the inner elastomeric of shell C to carry out straight reciprocating motion and the brake 30 of the lateral confinement system vibrations of the support spring 20 of the compressor body 10 of compression refrigerant and resiliency supported compressor body 10 and supports compressor body 10 constitutes as shown in the figure.
Support spring 20 between frame assembly 11 bottom surfaces and corresponding with it shell C bottom surface, to install, for supports compressor body 10 is provided with several compression springs 21,22.
Unaccounted symbol 11a is preceding square bearer in the drawing, and 11b is a central frame, and 11c is the back square bearer, 12a is an outside stator, and 12b is inboard stator, and 12c is a mover, 13a is a cylinder, and 13b is a piston, and 13c is an inlet valve, 13d is a dump valve, and 13e is a valve spring, and 13f discharges cover, F sucks path, DP is the refrigerant discharge pipe, and SP is the refrigerant suction line, and W is a fused mass.
Reciprocating compressor with prior art of above structure moves as follows.
Between outer stator 12a and inside stator 12b, produce magnetic flux when on reciprocating motor 12, adding power supply, when mover 12c and piston 13b carry out straight reciprocating motion by resonant spring 14b, 14c refrigerant is drawn among the cylinder 13a compression back and discharges, repeatedly carry out said process.At this moment compressor body 10 is because the vibration amplitude of brake portion 30 front and back is affected, so should prevent with the collision of shell C and overturn in transit.
But aforesaid prior art reciprocating compressor has the brake 30 of limit compression machine body 10 pitchings as shown in Figure 2, though make welding projection 31 on brake 30, the projection welding method that electric current is concentrated is fixed.But the situation of projection welding as shown in Figure 3 between shell C and brake 30 residual welding layer t can produce the slit thereupon.So often the words of collision can trigger noises for the application position that compressor body 10 vibrations are set that can not be correct, compressor body 10 and brake 30, more seriously can cause compressor body 10 or brake 30 to come off or damages, cause the reliability reduction of compressor.
Summary of the invention
The present invention provides a kind of projection welding structure that produces the welding layer in the middle of preventing when two parts projection weldings connect for solving the technical problem that exists in the known technology, and can be with the installation constitution of the reciprocating compressor brake of welding seamless between shell and the brake.
The technical scheme that the present invention takes for the technical problem that exists in the solution known technology is: a kind of projection welding structure is that a plurality of parts are stacked, the composition surface of therein parts powered on form the projection welding of the welding projection and the welding of pressurizeing in the adfluxion, around the welding projection, form depression fused mass groove, the part of the fused mass after the welding projection melts is accommodated in the fused mass groove.
Described fused mass groove and welding projection are formed on the same parts.
A kind of brake installation constitution of reciprocating compressor, the reciprocating motor that makes mover carry out straight reciprocating motion is installed on the framework, and with the flexible inside that is fixed to shell of framework, on the mover of reciprocating motor, piston is installed, with suitable sliding being inserted on the framework of reciprocating motor, compression refrigerant when carrying out resonance motion for piston, several resonant springs are installed in both sides, front and back at piston, with the brake projection welding of the limiting frame amplitude reciprocating compressor to the shell, have at least in the composition surface of the composition surface of brake and corresponding with it shell one side fusing when energising form can with the welding projection of another parts welding, form the fused mass groove of the fused mass part after can accommodating the fusing of welding projection at the periphery of welding projection.
Described welding projection and welded bond groove are formed on the composition surface of brake.
Advantage and good effect that the present invention has are: projection welding of the present invention structure and have the mounting structure of reciprocating compressor brake of the structure of projection welding, on the brake of two parts that engage or any one side in the shell composition surface, can form the welding projection of fusing during by electric current, around the welding projection, form the fused mass groove, two parts of projection welding are more closely connected.Therefore the primary position of brake can be set exactly, thereby reach the effect that prevents with cover attack, further play the effect that prevents noise or damage, thereby improved the reliability of compressor.
Description of drawings
Fig. 1 is the profile of prior art reciprocating compressor;
Fig. 2 is the brake decomposing schematic representation of prior art reciprocating compressor;
Fig. 3 is the profile of stationary state of the brake of prior art reciprocating compressor;
Fig. 4 is the brake decomposing schematic representation of reciprocating compressor of the present invention;
Fig. 5 is the profile of stationary state of the brake of reciprocating compressor of the present invention.
The specific embodiment
It is following that the present invention is described in detail with reference to drawings and Examples.
Fig. 4 is the brake decomposing schematic representation of reciprocating compressor of the present invention; Fig. 5 is the profile of stationary state of the brake of reciprocating compressor of the present invention.
With reference to Fig. 1 explanation, reciprocating compressor of the present invention comprises, and is arranged at the inside of shell C sucks limit compression machine body vibrations on the support spring 20 of oil and compressor for compressing body 110 and flexible supports compressor body 110 and the medial surface that projection welding is fixed on shell C when direction moves back and forth forwards, backwards brake 100.
Support spring 20 between frame assembly 11 bottom surfaces and corresponding with it shell C bottom surface, to install, for supports compressor body 10 is provided with several compression springs 21,22.
Also have, concentrate at the composition surface of brake 100 electric current, the composition surface will melt and form in order to melt several welding projections 110 of the welding projection that arrives shell C medial surface, accommodates the fused mass groove 120 of fused mass around welding projection 110 with the formation of annular.
In the drawing with prior art in identical part given identical symbol,
Unaccounted symbol W is a fused mass in the drawing.
The brake mounting structure of reciprocating compressor of the present invention has following effect.
On the composition surface of brake 100, form welding projection 110, the medial surface of its welding projection 110 and shell C coincides is provided with brake 100, when between the two poles of the earth of shell C and brake 100, adding electric current, electric current can focus on the welding projection 110 of brake 100, when welding projection 110 fusings of having concentrated electric current, exert pressure for brake 100, on the contact-making surface of shell C, melting fused mass.
The fused mass of 110 fusings of welding projection as shown in Figure 5 at this moment is under pressure, and fused mass can scatter and harden between the composition surface of shell C.The part of fused mass can flow in the fused mass groove 120 on brake 100 composition surfaces, so the welding layer t1 of the generation of fused mass can be minimized, shell C and brake 100 can be engaged closely.
So just the primary position of brake can be set more accurately, prevent the compressor body of pitching and limit its vibrations brake between produce unnecessary collision, noise and damage can be prevented like this, the reliability of compressor can be improved by compressor body and brake collision generation.
In addition, the projection welding structure with above-mentioned structure is not limited on 1 embodiment, goes on all examples of a plurality of metals or nonmetallic projection welding.
Claims (4)
1, a kind of projection welding structure, be that a plurality of parts stacks are placed, thereby produce the welding projection on the composition surface of therein a side electric current being concentrated, and the projection welding of pressurizeing and carrying out, it is characterized in that around welding projection (110), forming the fused mass groove (120) of depression, the part of the fused mass after the fusing of welding projection is accommodated in the fused mass groove.
2, projection welding structure according to claim 1 is characterized in that fused mass groove and welding projection are formed on the same parts.
3, a kind of installation constitution of reciprocating compressor brake, reciprocating compressor includes: the reciprocating motor that will make mover carry out straight reciprocating motion is installed on the framework, and with the inside of framework flexible fastening to shell, on the mover of reciprocating motor the piston slip is inserted in the cylinder, cylinder is fixed in framework.On the both sides, front and back of piston several resonant springs are set, make piston compression refrigerant when carrying out straight reciprocating motion.Brake in the vibrations of shell epirelief solid welding fixed limit system framework; It is characterized in that having at least one side fusing when energising to form the welding projection that is fused to another parts in the composition surface of brake and the composition surface of shell, at the fused mass groove that forms the fused mass after accommodating the fusing of welding projection around the welding projection corresponding to this.
4, the installation constitution of reciprocating compressor brake according to claim 3 is characterized in that welding projection and welded bond groove are formed on the composition surface of brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410093613 CN1781642A (en) | 2004-11-29 | 2004-11-29 | Convex welding structure and mounting structure of reciprocating compressor brake with said structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410093613 CN1781642A (en) | 2004-11-29 | 2004-11-29 | Convex welding structure and mounting structure of reciprocating compressor brake with said structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1781642A true CN1781642A (en) | 2006-06-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410093613 Pending CN1781642A (en) | 2004-11-29 | 2004-11-29 | Convex welding structure and mounting structure of reciprocating compressor brake with said structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1781642A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901318A (en) * | 2012-11-13 | 2013-01-30 | 合肥美的荣事达电冰箱有限公司 | Shelf supporting frame and refrigerator with same |
| CN101596646B (en) * | 2008-06-06 | 2013-11-06 | 通用汽车环球科技运作公司 | Method for one-sided, one step joining of a metal sheet stack |
| CN108700052A (en) * | 2016-03-08 | 2018-10-23 | 三菱电机株式会社 | The manufacturing method of gas-liquid separator holding appliance, hermetic type compressor, the manufacturing device of hermetic type compressor and hermetic type compressor |
-
2004
- 2004-11-29 CN CN 200410093613 patent/CN1781642A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101596646B (en) * | 2008-06-06 | 2013-11-06 | 通用汽车环球科技运作公司 | Method for one-sided, one step joining of a metal sheet stack |
| CN102901318A (en) * | 2012-11-13 | 2013-01-30 | 合肥美的荣事达电冰箱有限公司 | Shelf supporting frame and refrigerator with same |
| CN102901318B (en) * | 2012-11-13 | 2016-03-30 | 合肥美的电冰箱有限公司 | Rack supports frame and there is its refrigerator |
| CN108700052A (en) * | 2016-03-08 | 2018-10-23 | 三菱电机株式会社 | The manufacturing method of gas-liquid separator holding appliance, hermetic type compressor, the manufacturing device of hermetic type compressor and hermetic type compressor |
| CN108700052B (en) * | 2016-03-08 | 2020-10-09 | 三菱电机株式会社 | Gas-liquid separator fixing tool, hermetic compressor, manufacturing device for hermetic compressor, and manufacturing method for hermetic compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: TAIZHOU LG ELECTRONICS FREEZER CO., LTD. Free format text: FORMER OWNER: LG ELECTRONICS ( TIANJIN ) ELECTRICAL APPLIANCES CO., LTD. Effective date: 20091225 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20091225 Address after: 2, Yingbin Road, Taizhou Economic Development Zone, Jiangsu, China: 225300 Applicant after: Taizhou LG Electronics Refrigerator Co., Ltd. Address before: Beichen District, Tianjin Xing Dian Highway Code: 300402 Applicant before: Lejin Electronic and Electric Appliance Co., Ltd. (Tianjin) |
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20060607 |