CN100379995C - Compressor - Google Patents
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- CN100379995C CN100379995C CNB02160584XA CN02160584A CN100379995C CN 100379995 C CN100379995 C CN 100379995C CN B02160584X A CNB02160584X A CN B02160584XA CN 02160584 A CN02160584 A CN 02160584A CN 100379995 C CN100379995 C CN 100379995C
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- compressor
- stack shell
- base plate
- tube
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Abstract
The present invention relates to a compressor, and a barrel bottom (30) of the compressor comprises a flat outer margin part (50) fixedly welded with the lower end of a barrel body (21) and a continuously annularly convex part (60), wherein the continuously annularly convex part (60) is arranged on the inner side of the outer margin part (50), and the continuously annularly convex part (60) also becomes convex on the inner side of the barrel body (21) and presents in an inverted U shape. The annularly convex part (60) comprises an outer side standing wall part (61) positioned on the outer side of the annularly convex part (60), an inner side standing wall part (62) positioned on the inner side of the annularly convex part (60) and an upper wall part (63) transferring the top of the outer side standing wall part (61) and the top of the inner side standing wall part (62), wherein the inner side standing wall part (62) is made into a circular arc-shaped cross section inclined toward the center of the compressor (20) from top to bottom. In addition, the inner side of the annularly convex part (60) on the barrel bottom (30) downward forms a concavely hemispheric bottom plate part (70), and the barrel bottom (30) is provided with an assembly foot (40) integrally formed with the outer margin part (50).
Description
Technical field
The present invention relates to compressor, particularly the structure of relevant cylinder bottom plate.
Background technique
, open 2002-81377 communique (JP2002-81377A) discloses in the past, be assemblied in the compressor in the air attemperation apparatus etc., be provided with the pin of assembling usefulness in the bottom of cylindrical shell as the spy of Japan.And, this assembling pin is fixed on the support platform with bolt etc.
Yet, because being different from, above-mentioned assembling pin is installed on this stack shell after stack shell is separately and exclusively made, so it is many just to have produced amount of parts, and the problem that manufacturing price increases.
So, as shown in Figure 7, make integral body with it with regard to assembling pin c on the tube end b that has considered to be fixed in the lower end of stack shell a.Just, above-mentioned tube end b, consideration is with tube copy for the record or for reproduction body d and have the assembling pin c of bolt hole e to make integral body.
The problem of-solution-
, if will on above-mentioned tube end b, integral body make assembling pin c, just need to make b at the bottom of this discoid.And, because the tube end b of the stack shell a of cylindrical portions may and integrated disc portions is by solder bond, with regard to the low problem of fatigue strength that welding portion is arranged.
Just, an above-mentioned stack shell a and a tube end b, as shown in Figure 8, from the outside weldings of stack shell a.Therefore, the idol angle part, the outside of stack shell a and tube end b has formed welding portion f.And because the relation of welding technique, welding portion f can't be formed into the inside of stack shell a, has just formed notch portion g in the inboard even angle part of stack shell a and tube end b.
A this stack shell a and a tube end b are welded structure, if during high pressure flow line build compressor, stack shell in service inside just becomes hyperbaric environment.Therefore, as shown in Figure 9, on stack shell a, act on the pressure A of substantially horizontal, on b at the bottom of the tube, then acted on pressure B vertically downward.
This result, the angle R at the inboard even angle of above-mentioned stack shell a and tube end b is to the direction distortion of expansion.Just, on above-mentioned stack shell a and tube end b, along having acted on moment of flexure on the propagation direction of notch portion g.Therefore, just the low problem of fatigue strength of above-mentioned stack shell a and the welding portion f of tube end b has appearred.
At this, can consider to thicken the thickness of slab of above-mentioned stack shell a and tube end b.But, do like this, when gaining in weight, the new problem that cost increases can produce again.
Summary of the invention
The solution that the present invention is in view of the above problems to be searched out can reach and promptly relax the moment of flexure that stack shell and tube were generated between the end, prevents the purpose that weight increases and price rises again.
As shown in Figure 2, first the invention, be with the lower end of cylindric stack shell 21 fixedly connected the tube end 30 compressor be object.And the above-mentioned tube end (30) comprising: base plate body (31), described base plate body (31) comprise the flat condition peripheral edge portion (50) with the fixing welding in stack shell (21) lower end; Base plate (70); And be formed between peripheral edge portion (50) and the base plate (70), in stack shell (21) inner bulge, be the continuous annular convex portion (60) of reverse U shape
In this first invention, because internal pressure causes when the stack shell 21 and the tube ends 30 are out of shape that stack shell 21 and the moment of flexure of tube at the end 30 are owing to the existence of annular projection part 60 obtains relaxing.
Also have, second invention, be in first invention, above-mentioned annular projection part 60 has the outside wall part 61 that is positioned at the outside, wall part 61 tops, the above-mentioned outside of inside stand wall section 62, transition that are positioned at the inboard and the top wall portion 63 at above-mentioned inside stand wall section 62 tops.
In this second invention, in the time of stack shell 21 and the tube ends 30 generation distortion, because outside wall part 61 and inside stand wall section 62 do not have run-off the straight, so stack shell 21 and the moment of flexure of tube at the end 30 are owing to the existence of annular projection part 60 obtains relaxing.
Also have, the 3rd invention is in second invention, and above-mentioned inside stand wall section 62 is made for from top to bottom the centroclinal circular-arc section to compressor 20.
In this 3rd invention, relaxed the moment of flexure between the base plate 70 of inside stand wall section 62 and these inside stand wall section 62 inboards.
Also have, the 4th invention is in first invention, and the inboard of the annular projection part 60 of above-mentioned tube at the end 30 forms the hemispherical base plate 70 of matrix downwards.
In this 4th invention, because base plate 70 is the hemisphere state, so the storage allowance of the lubricant oil of defined is guaranteed.
Also have, the 5th invention is in first invention, the above-mentioned tube end 30, possesses and peripheral edge portion 50 integrally formed assembling pin 40.
In this 5th invention, because assembling pin 40 no longer becomes separately and exclusively part, so the part sum obtains reducing.
Also have, the 6th invention is in first invention, and above-mentioned compressor 20 is inner for forming the formation of hyperbaric environment.
In this invention of the 6th, the abirritation of stack shell 21 and the moment of flexure of tube at the end 30 has more obtained performance.
-invention effect-
Therefore, if adopt method of the present invention,, can greatly relax the stress that the weld part branch at the end 30 produces at stack shell 21 and tube with comparing in the past because making annular projection part 60 on 30 at the bottom of the tube.Its result can alleviate the weight of compressor 20, can reduce price again simultaneously.
Also have, if adopt second inventive method, above-mentioned annular projection part 60, because have the top wall portion 63 at the top of the outside wall part 61 that is positioned at the outside, the top that is positioned at the inboard above-mentioned outside of inside stand wall section 62, transition wall part 61 and above-mentioned inside stand wall section 62, again because outside wall part 61 and inside stand wall section 62 are difficult for run-off the straight, so stack shell 21 and the moment of flexure of tube at the end 30 really can be controlled.
Also have, if adopt the method for the 3rd invention, above-mentioned inside stand wall section 62 is made for from top to bottom to the centroclinal circular-arc section of compressor 20, just can relaxes the moment of flexure between the base plate 70 of inside stand wall section 62 and these inside stand wall section 62 inboards.Its result can improve the above-mentioned tube ends 30 integral intensity.
Also have,, the inboard of the annular projection part 60 of above-mentioned tube at the end 30 formed the hemispherical base plate 70 of matrix downwards, so can guarantee the storage allowance of the lubricant oil stipulated if adopt the method for the 4th invention.Consequently, prevented the deficiency of lubricant oil really.
Also have, if adopt the method for the 5th invention, because of integral body on the above-mentioned end 30 has formed assembling pin 40, compare with the compressor of assembling assembling pin 40 separately and exclusively, the part sum obtains reducing, and can improve the efficient of assembling operation simultaneously.Consequently reduced cost.
Also have, if adopt the method for the 6th invention, when forming hyperbaric environment in above-mentioned compressor 20 inside, the stress of stack shell 21 and the welding portion of tube at the end 30 relaxes and can more positively obtain performance.
Description of drawings
Fig. 1 represents the front elevation of compressor of the present invention.
Fig. 2 represents the perspective view at the bottom of the tube of the present invention.
Fig. 3 represents the planimetric map at the bottom of the tube of the present invention.
Fig. 4 is the IV-IV sectional drawing of Fig. 3.
Fig. 5 represents function of the present invention, is the sectional drawing that is in the compressor major component of low-pressure state in the compressor.
Fig. 6 represents function of the present invention, is the sectional drawing that is in the compressor major component of high pressure conditions in the compressor.
Fig. 7, expression compressor in the past, the perspective view of major component.
Fig. 8, expression compressor in the past, the enlarged perspective of major component.
Fig. 9, expression compressor in the past is in the phase diagram of the major component of high pressure conditions in the compressor.
Embodiment
Below, describe embodiments of the present invention in detail based on drawing.
As shown in Figure 1, the compressor 10 of present embodiment is on the compressor that has loaded air attemperation apparatus, the high pressure dome compressor of the hyperbaric environment that the inside that has constituted compressor 20 is formed by the high pressure refrigerant.
Above-mentioned compressor 10, not shown in the figures, in compressor 20, having taken in the formation that motor and scroll compressor structure come compression refrigerant.Above-mentioned compressor 20, comprise the cover 22, above-mentioned stack shell 21 bottoms that are weldingly connected in stack shell 21, this stack shell one week of 21 tops be weldingly connected tin at the bottom of 30.
Above-mentioned stack shell 21 is formed by the pipe of lengthwise, and is provided with wire board 11 and spraying pipe 12.Also have, above-mentioned cover 22 is provided with suction pipe 13.
The above-mentioned tube end 30,, have base plate body 31 and three assembling pin 40 as Fig. 2 ~ shown in Figure 4.This base plate body 31 is formed by the material of approximate disk, comprises peripheral peripheral edge portion 50, the annular portions 60 of these peripheral edge portion 50 inboards and the base plate 70 of this annular portions 60 inboards.
Above-mentioned peripheral edge portion 50 is made horizontally by flat board, outer periphery are made flanging 51 downwards.Above-mentioned peripheral edge portion 50 is connected with stack shell 21 end portions by welding.Just, the lower end surface of above-mentioned stack shell 21 is plane involution on 30 peripheral edge portions 50 at the bottom of the tube, welds the outer even angle part at the above-mentioned stack shell 21 and the tube end 30.
Also have, on the peripheral edge portion 50 at the above-mentioned tube end 30, assembling pin 40 unifies and forms.Above-mentioned three assembling pin 40 are the arranged spaced of 120 degree, protrude in the outside of above-mentioned peripheral edge portion 50.And, on above-mentioned assembling pin 40, be formed with screw 41.Be fixed on places such as making platform by these assembling pin 40 compressors 10.And above-mentioned assembling pin 40 outer periphery, the flanging 42 that links to each other with the flanging 51 of peripheral edge portion 50 is rolled over downwards and is formed.
Above-mentioned annular projection part 60, make continuously the inboard that is positioned at peripheral edge portion 50, is the word of falling U shape in the inner bulge of stack shell 21.And above-mentioned annular projection part 60 forms ring-type along 21 1 weeks of stack shell.
Above-mentioned annular projection part 60, comprise be positioned at the outside outside wall part 61, be positioned at inboard wall part 61 tops, the above-mentioned outside of inside stand wall section 62, transition and the top wall portion 63 at above-mentioned inside stand wall section 62 tops.
Above-mentioned annular projection part 60 is positioned near stack shell 21 inwalls and makes.Just, vacate between the internal surface of above-mentioned outside wall part 61 and stack shell 21 on the position of micro-gap and make annular projection part 60.
Above-mentioned outside wall part 61 is from the approximate right angle bending that makes progress of the inner circumference edge of outer peripheral edge portion 50, substantially with 21 one-tenth parastates of stack shell.In other words, above-mentioned outside wall part 61 is made for short cylindric less than barrel diameter.
And, link to each other from the upper end of above-mentioned outside wall part 61 and the outer circumference end of top wall portion 63.On the interior Zhou Duan of this roof 63, inside stand wall section 62 links to each other.Just, this inside stand wall section 62 by outside wall 61 flexions 180 degree, extends downwards from top wall portion 63.
Above-mentioned inboard wall 62, centroclinal to compressor 20 from top to bottom, section forms circular-arc.
Above-mentioned base plate 70 is formed on the inboard of annular projection part 60 continuously, forms the shape of approximate hemisphere downwards.Just, above-mentioned base plate 70 links to each other in the lower end of the inside stand wall section 62 of annular projection part 60, and base plate 70 and inside stand wall section 62 become the hemisphere state continuously.
The above-mentioned tube end 30,, base plate body 31 and three assembling pin 40 process shape by plate material by punching press etc.
-effect-
Next, the effect at the tube end 30 of just relevant above-mentioned compressor 10 and the prime reason of making these annular portions 60 are illustrated based on Fig. 5 and Fig. 6 together.And, in this Fig. 5 and Fig. 6, represented the ideograph at the tube end 30, its base plate 70 is dull and stereotyped.
At first, before starting compressor 10, compressor 20 inside are in low-pressure state.Under this state, as shown in Figure 5, base plate 70 and peripheral edge portion 50 are in level.Stack shell 21, the Vertical direction of the peripheral edge portion 50 at the edge tube end 30 extends upward.
From the state of Fig. 5, starting above-mentioned compressor 10, compressor 20 inside just become hyperbaric environment.In this state, pressure is vertically downward born at the tube end 30.Its result, the above-mentioned tube end 30, is dilatancy downwards.
At this moment, base plate 70 parts at the above-mentioned tube end 30, from annular projection part 60 to the center of compressor 20 toward having a down dip.Like this, the outside wall 61 of above-mentioned annular projection part 60 and the interval L between the inboard wall 62 will enlarge.This outside wall 61 and inboard wall 62 keep plumbness, keep parastate substantially with stack shell 21.
Therefore, the moment of flexure that acts on the welding portion of above-mentioned stack shell 21 and the tube end 30 peripheral edge portions 50 obtains relaxing with comparing in the past.Concretely, compare with the stress of the welding portion of Fig. 7 ~ the past shown in Figure 9, be provided with annular projection part 60 of the present invention, the stress of welding portion is reduced to 20% approximately.
The effect of-mode of execution-
As mentioned above, if adopt present embodiment owing to making annular projection part 60 on 30 at the bottom of the tube, the stress that stack shell 21 and tube are generated on the welding portion at the end 30 with compare and can be relaxed greatly in the past.Its result can obtain the lightweight of compressor 20, can reduce price again simultaneously.
Also have, be positioned near stack shell 21 internal surfaces because above-mentioned annular projection part 60 is formed in, so the stress that stack shell 21 and the welding portion of tube at the end 30 generate can obtain relaxing really.
Also have, above-mentioned annular projection part 60, top wall portion 63 with two wall parts 61,62 of the above-mentioned outside of transition wall part 61 and above-mentioned inside stand wall section 62, outside wall part 61 and inside stand wall section 62 all are difficult for run-off the straight, so stack shell 21 and the moment of flexure of tube at the end 30 obtain relaxing really.
Also have, because of above-mentioned inside stand wall section 62 is made circular-arc section, so can relax moment of flexure between the base plate 70 of inside stand wall section 62 and these inside stand wall section 62 inboards really.Its result has improved the above-mentioned tube bulk strength at the end 30.
Also have, the inboard because of with the annular projection part 60 of above-mentioned tube at the end 30 forms the hemispherical base plate 70 of matrix downwards, so the storage allowance of the lubricant oil of defined is guaranteed.Consequently can prevent the deficiency of lubricant oil really.
Also have, because of at above-mentioned tube integrally formed assembling pin 40 at the end 30, compare with the compressor that pin 40 is assembled in other installation and promptly to have reduced the number of parts, improved the efficient of assembly operation again.Its result can reduce price.
Also have, above-mentioned compressor 20 inside are when forming hyperbaric environment, and the mitigation of stack shell 21 and the stress of tube at the end 30 more positively obtains performance.
-other mode of executions-
In the above-mentioned mode of execution, inside stand wall section 62 has been made circular-arc section, an invention that has again can be made parallel tubular with outside wall part 61 with inside stand wall section 62.
Secondly, base plate 70, an invention that has again can be made into planar.
Also have, compressor 10 of the present invention is to use in air attemperation apparatus, in addition also applicable to various compressors.
Have, the aspect that above-mentioned mode of execution is narrated all only is an illustration, can not be as the explanation that the present invention is limited to again.Scope of the present invention is, by the represented scope of claim, and is not subjected to any constraint of specification original text.And, belong to distortion in the equivalency range of claim scope, change etc. and all belong to category of the present invention.
Claims (6)
1. compressor comprises: the lower end of cylindric stack shell (21) the is fixedly connected compressor of tube end (30), wherein:
The above-mentioned tube end (30) comprises base plate body (31), and described base plate body (31) comprising: with the flat condition peripheral edge portion (50) of the fixing welding in stack shell (21) lower end; Base plate (70); And be formed between peripheral edge portion (50) and the base plate (70), in stack shell (21) inner bulge, be the continuous annular convex portion (60) of reverse U shape.
2. the compressor related according to claim 1, wherein:
Above-mentioned annular projection is (60) partly, also comprise the top wall portion (63) at the top of the outside wall part (61) that is positioned at the outside, the top that is positioned at inboard inside stand wall section (62), the above-mentioned outside of transition wall part (61) and above-mentioned inside stand wall section (62).
3. the compressor related according to claim 2, wherein:
Above-mentioned inside stand wall section (62) is made for from top to bottom the centroclinal circular-arc section to compressor (20).
4. the compressor related according to claim 1, wherein:
The inboard of the annular projection part (60) on the above-mentioned tube end (30) forms the hemispherical base plate of matrix (70) downwards.
5. the compressor related according to claim 1, wherein:
The above-mentioned tube end (30), possess and the integrally formed assembling pin of peripheral edge portion (50) (40).
6. the compressor related according to claim 1, wherein:
Above-mentioned compressor (20) is inner for forming hyperbaric environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB02160584XA CN100379995C (en) | 2002-12-30 | 2002-12-30 | Compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB02160584XA CN100379995C (en) | 2002-12-30 | 2002-12-30 | Compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1512070A CN1512070A (en) | 2004-07-14 |
| CN100379995C true CN100379995C (en) | 2008-04-09 |
Family
ID=34237932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB02160584XA Expired - Fee Related CN100379995C (en) | 2002-12-30 | 2002-12-30 | Compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100379995C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100455812C (en) * | 2004-09-28 | 2009-01-28 | 乐金电子(天津)电器有限公司 | Hermetic rotary compressor base frame |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5007807A (en) * | 1989-03-08 | 1991-04-16 | Tecumseh Products Company | Hermetic compressor having resilient internal mounting |
| JPH09239081A (en) * | 1996-03-06 | 1997-09-16 | Mitsubishi Materials Corp | Golf putter made of titanium-aluminium alloy |
| US5850743A (en) * | 1996-11-13 | 1998-12-22 | Tecumseh Products Company | Suction accumulator assembly |
| JP2002081377A (en) * | 2000-09-06 | 2002-03-22 | Fujitsu General Ltd | Support device of compressor |
-
2002
- 2002-12-30 CN CNB02160584XA patent/CN100379995C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5007807A (en) * | 1989-03-08 | 1991-04-16 | Tecumseh Products Company | Hermetic compressor having resilient internal mounting |
| JPH09239081A (en) * | 1996-03-06 | 1997-09-16 | Mitsubishi Materials Corp | Golf putter made of titanium-aluminium alloy |
| US5850743A (en) * | 1996-11-13 | 1998-12-22 | Tecumseh Products Company | Suction accumulator assembly |
| JP2002081377A (en) * | 2000-09-06 | 2002-03-22 | Fujitsu General Ltd | Support device of compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1512070A (en) | 2004-07-14 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20080409 Termination date: 20191230 |