CN102062096A - Compressor and fixing structure of pump body assembly and shell of compressor - Google Patents
Compressor and fixing structure of pump body assembly and shell of compressor Download PDFInfo
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- CN102062096A CN102062096A CN2009102236380A CN200910223638A CN102062096A CN 102062096 A CN102062096 A CN 102062096A CN 2009102236380 A CN2009102236380 A CN 2009102236380A CN 200910223638 A CN200910223638 A CN 200910223638A CN 102062096 A CN102062096 A CN 102062096A
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- 230000002093 peripheral effect Effects 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 description 19
- 238000000034 method Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 8
- 239000002893 slag Substances 0.000 description 8
- 238000003754 machining Methods 0.000 description 5
- 238000004080 punching Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 235000019628 coolness Nutrition 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The invention provides a fixing structure of a compressor pump body assembly and a shell, which is used for fixing the pump body assembly in the shell, wherein the pump body assembly comprises a connecting piece and is sleeved in the shell through the connecting piece; the position corresponding to the first groove on the inner wall of the shell is provided with a first protruding part, the position corresponding to the second groove on the inner wall of the shell is provided with a second protruding part, the first protruding part is arranged in the first groove, the second protruding part is arranged in the second groove, and the first protruding part and the second protruding part are provided with structures suitable for clamping the clamping part.
Description
Technical field
The present invention relates to the air conditioner field, in particular to the fixed structure of a kind of compressor and pump assembly and housing.
Background technique
The means of fixation of existing compressor pump assembly and housing mainly contains following two kinds, and first kind is to adopt welding method that pump assembly is fixed on the housing.Welding process high temperature and welding residual stress, the deformation effect of bringing for the link in the pump assembly is big, and during failure welding, is easy to generate gas leakage, even welding slag often occurs and invade the pump housing, causes phenomenons such as pump housing running is bad.Second kind of heating fastening, cylinder or the some positions of flange outer peripheral surface at pump assembly offer adjacent pair of holes, heat corresponding part, position with whenever adjacent pair of holes outside housing, and form the cylindrical protrusion portion match with the hole in inner walls by the cylindrical punch punching press, after the cooling strain of cylindrical protrusion portion, hole wall by between the whenever adjacent pair of holes of clamping is fixed together pump assembly and housing.Because what the heating fastening adopted is after heat the corresponding part, position with whenever adjacent pair of holes outside housing, utilize drift punching press housing, form and the corresponding cylindrical protrusion in hole portion in inner walls, drift is in the drawing course of action, the sidewall of bump is face and face one whole contacting of enclosing with the sidewall in hole, very high to requirement on machining accuracy that bump and hole are cooperated, drift dashes the damage that causes link partially easily, and the impulse force requirement to drift is bigger, influences the life-span that drift uses.
The inventor finds that there are the following problems at least in the prior art: existing welding process causes link distortion, gas leakage, problems such as welding slag intrusion easily.The sidewall of existing heating fastening bump and the sidewall in hole are faces and the contacting of face, very high to position accuracy demand that bump and hole are cooperated, drift dashes the damage that causes link partially easily, and bigger to the impulse force requirement of drift, influences the working life of drift.
Summary of the invention
The present invention aims to provide the fixed structure of a kind of compressor pump assembly and housing, the welding process that can solve prior art causes the link distortion easily, gas leakage, problems such as welding slag intrusion, very high with the heating fastening of prior art to the position accuracy demand that bump and hole are cooperated, drift dashes the damage that causes link partially easily, and bigger to the impulse force requirement of drift, influences the working life of drift.
The fixed structure of a kind of compressor pump assembly and housing is provided in an embodiment of the present invention, be used for pump assembly is fixed in the housing, pump assembly comprises link and is sheathed in the housing by link, the outer peripheral surface of link is provided with at least one pair of adjacent groove, be respectively first groove and second groove, form clamping part between first groove and second groove; Be provided with first bump with the corresponding position of first groove on the inner walls, be provided with second bump with the corresponding position of second groove on the inner walls, first bump is placed in first groove, second bump is placed in second groove, and first bump and second bump have the structure of suitable clamping clamping part.
Preferably, the groove width of first groove and second groove equates that first groove parallels with link axis direction with the flute length direction of second groove.
Preferably, first bump and second bump are equal-sized cylindrical protrusion portion, and first bump and the second bump diameter are less than or equal to the groove width of first groove and second groove.
Preferably, clamping part is at least 2; Clamping part is arranged on the outer peripheral surface of joint equably.
Preferably, the flute length direction of first groove and the flute length direction of second groove coincide, clamping part is the circumferencial direction clamping part, and the axial thickness of clamping part (C) is greater than 1mm, and deducts poor (1mm＜C≤(B-2D)) of 2 times groove width (D) less than link height (B).
Preferably, the flute length direction of first groove parallels with the flute length direction of second groove, and clamping part is axial clamping part, and the circumferencial direction thickness (F) of clamping part is greater than 1mm, and is less than or equal to 2 times of groove width (D) (1mm＜F≤2D).
Embodiments of the invention also provide the fixed structure of a kind of compressor pump assembly and housing, be used for pump assembly is fixed in the housing, wherein pump assembly comprises link and is sheathed in the described housing by described link, the outer peripheral surface of link is provided with groove, wherein groove quantity is at least 1, groove evenly is arranged on the excircle of link, and the groove width of each groove equates, the flute length direction is parallel with the axial direction of link, and adjacent with link respectively two ends, the two ends of each groove have at interval; Be provided with bump with the corresponding position of groove on the inner walls, bump is arranged on the two ends of groove, and combines closely with the inboard of groove.
Preferably, groove is 3, evenly distributes along circumference, and the corresponding bump quantity of single groove is two, and axial thickness (H) at interval is greater than 1mm.
The present invention also provides a kind of compressor, comprises the fixed structure of foregoing compressor pump assembly and housing.
Because adopted on the diverse location of the outer peripheral surface of link and be provided with the first adjacent groove and second groove, formed clamping part between first groove and second groove; Be provided with first bump and second bump with first groove and the corresponding position of second groove on the inner walls, first bump and second bump have the structure of suitable clamping clamping part, pump assembly and housing are fixed together, so overcome the link distortion that the welding process of prior art causes, gas leakage, problems such as welding slag intrusion; Again because on link, adopted the first adjacent groove and second groove, as long as first bump and second bump are suitable clamping clamping part, do not need respectively to match with the shape of groove, so having overcome existing heating fastening matches for making cylindrical protrusion portion and hole, requirement on machining accuracy to drift is very high, impulse force to drift requires bigger, and dash the problem that causes the damage of link partially and influence the working life of drift because of drift easily, and then reached and reduced link distortion, guarantee the quality of fit of drift and groove better, reduce the drift impulse force, improve the effect in drift life-span.
In addition, on the outer peripheral surface of link, be provided with 1 groove at least, and adjacent with link respectively two ends, the two ends of groove have at interval; Be respectively equipped with bump with corresponding position, groove two ends on the inner walls, bump is combined closely with the inboard of groove and is played location and the effect that is connected housing and pump assembly, so overcome the link distortion that the welding process of prior art causes, gas leakage, problems such as welding slag intrusion; Again because only need be respectively equipped with the bump of combining closely at the two ends of groove with three avris walls of groove, the bump shape does not need to match with the shape of groove, so having overcome existing heating fastening matches for making cylindrical protrusion portion and hole, requirement on machining accuracy to drift is very high, impulse force to drift requires bigger, and dash the problem that causes the damage of link partially and influence the working life of drift because of drift easily, reached and reduced the link distortion, guarantee the quality of fit of drift and groove better, reduce the drift impulse force, improve the effect in drift life-span.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 has schematically shown the structure according to a kind of compressor of the embodiment of the invention;
Fig. 2 has schematically shown the part section structure according to the fixed structure of a kind of compressor pump assembly of the embodiment of the invention and housing;
Fig. 3 has schematically shown the structure according to the pump assembly of the embodiment of the invention;
Fig. 4 has schematically shown according to a kind of compressor pump assembly of first embodiment of the invention and the fixed structure of housing;
Fig. 5 has schematically shown according to a kind of compressor pump assembly of second embodiment of the invention and the fixed structure of housing;
Fig. 6 has schematically shown according to a kind of compressor pump assembly of third embodiment of the invention and the fixed structure of housing;
Fig. 7 has schematically shown according to a kind of compressor pump assembly of fourth embodiment of the invention and the fixed structure of housing.
Fig. 8 has schematically shown according to a kind of compressor pump assembly of fifth embodiment of the invention and the fixed structure of housing.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
Fig. 1 to Fig. 8 has schematically shown according to a kind of compressor pump assembly of the embodiment of the invention and the fixed structure of housing, be used for pump assembly is fixed in the housing, as shown in the figure, pump assembly comprises link 3 and is sheathed in the housing 4 by link 3, the outer peripheral surface of link 3 is provided with at least one pair of adjacent groove, it comprises: form clamping part 31 between first groove 11 and second groove, 12, the first grooves 11 and second groove 12.For example clamping part 31 is 3, as shown in Figure 3, is mutually 120 degree angles between the clamping part 31, is arranged on equably on the outer peripheral surface of joint 3.X refers to the excircle direction of link 3 among the figure, and Y refers to the axial direction of link 3, and link 3 can be cylinder in the pump assembly or flange, and link 3 is an example with the cylinder in the embodiment of the invention.
By on the heated shell 4 with first groove 11 and second groove, 22 corresponding position zones, utilize drift 5 the correct position in a part of punching press to the first groove 11 of housing 4 and second groove 22, housing 4 produces plastic deformation, thereby on housing 4 inwalls, form first bump 21 with first groove, 11 corresponding positions, form second bump, 22, the first bumps 21 with second groove, 12 corresponding positions on housing 4 inwalls and second bump 22 has the structure of suitable clamping clamping part 31.Ordinary circumstance low punch 5 is the cylindrical punch that radius equates, so first bump 21 and second bump 22 are equal-sized cylindrical protrusion portion; (groove width D all refers to the width of groove at directions X to the groove width D of first groove 11 and second groove 12 in the accompanying drawing, mark no longer one by one among each figure) equate, and the flute length direction E of first groove 11 and second groove 12 (the flute length direction all refers to the height of groove in the Y direction in the accompanying drawing, marks no longer one by one among each figure) parallels with link 3 axial directions.
In order to reduce the rock deformation pressure of 5 pairs of links 3 of drift, drift 5 should satisfy the groove width D that makes first bump 21 that punching press comes out and second bump, 22 diameters be less than or equal to first groove 11 and second groove 12.Clamping part 31 is folded between first bump 21 and second bump 22, and after housing 4 coolings, first bump 21 and second bump 22 are because thermal shrinkage force tightly clamps clamping part 31.Because as long as first bump 21 and second bump 22 are suitable clamping clamping part 31, do not need respectively to match with the shape of first groove 11 and second groove 12, so overcome in the existing heating fastening for being matched in adjacent hole, requirement on machining accuracy to drift is very high, impulse force to drift requires bigger, and dash the problem that causes the damage of link partially and influence the working life of drift because of drift easily, and then reached and reduced link distortion, guarantee the quality of fit of drift and groove better, reduce the drift impulse force, improve the effect in drift life-span, also solved the link distortion that welding process causes, gas leakage, problems such as welding slag intrusion have reached the effect that reduces the scolder consumptive material.
First preferred embodiment according to the present invention is as described below: as shown in Figure 4, the flute length direction E of the flute length direction E of first groove 11 and second groove 12 coincides, clamping part 31 is circumferencial direction, and first bump 21 and second bump 22 are lived clamping part 31 from the sandwich of clamping part 31 respectively.In order to guarantee join strength, the axial thickness C of clamping part 31 is greater than 1mm, and less than the difference of the groove width D of link height B and 2 times (1mm＜C≤(B-2D)).
Second preferred embodiment according to the present invention is as described below: as shown in Figure 5, the flute length direction E of first groove 11 parallels with the flute length direction E of second groove 12, clamping part 31 is axially, and first bump 21 and second bump 22 are lived clamping part 31 from the sandwich of clamping part 31 respectively.In order to guarantee join strength, the groove width D of first groove 11 and second groove 12 equates and less than half of link 3 height B, and the circumferencial direction thickness F of clamping part 31 is greater than 1mm, and is less than or equal to groove width D (1mm＜F≤2D) of 2 times.In addition, the flute length E of first groove 11 and second groove 12 is greater than half of link 3 height B and half sum of groove width D, and less than the difference of link 3 height B and 1mm ((0.5B+0.5D)＜E＜(B-1) mm).
The 3rd preferred embodiment according to the present invention is as described below: as shown in Figure 6, present embodiment is the improvement to first embodiment, be evenly distributed with two pairs of grooves along circumference, each includes first groove and second groove to groove, the thickness F of the clamping part of the formation between first groove of described first pair of groove and first groove of second pair of groove is greater than 1mm, and is less than or equal to 2 times of groove width (D) (1mm＜F≤2D).Each can reach better fixedly connected effect like this between two grooves of groove and between first groove of first groove of first pair of groove and second pair of groove, between second groove of second groove of first pair of groove and second pair of groove clamping part is arranged all.
The 4th preferred embodiment according to the present invention is as described below: as shown in Figure 7, present embodiment is the improvement to second embodiment, for example the flute length direction E of first groove 11 parallels with the flute length direction E of second groove 12, first groove 11 and second groove, 12 equal and opposite in directions, the both ends of the surface of the two ends of first groove 11 and link 3 all have spacing, the both ends of the surface of the two ends of second groove 12 and link 3 also all have spacing, form clamping part 31 between first groove 11 and second groove 12, be provided with a pair of first bump 21 in first groove 11, a pair of second bump, 22, the first bumps 21 and second bump 22 correspondingly are set in second groove 12 clamp clamping part 31 from both sides.In order to guarantee join strength, the groove width D of first groove 11 and second groove 12 is less than half of link 3 height B, and axially the clamping part thickness F is greater than 1mm, and is less than or equal to groove width D (1mm＜F≤2D) of 2 times.In addition, first bump 21 is not limited to two, and second bump 22 also is not limited to two, and for large-scale compressor, in order to reach good constant intensity, the number of first bump and second bump can be decided on actual demand.
The 5th preferred embodiment according to the present invention is as described below: as shown in Figure 8, in the present embodiment, circumferencial direction at link 3 evenly is provided with three grooves, and adjacent with link respectively two ends, the two ends of each groove have at interval, be provided with bump with the corresponding position of each groove on the inner walls, bump is arranged on the two ends of groove, and the corresponding bump quantity of for example single groove is two, and bump is a cylindrical protrusion portion.Figure 8 shows that the structure diagram of two bumps 23 of one of them groove 13 and the portion that sets within it, guarantee the Y direction length sum of the flute length of groove 13 when on link 3, slotting greater than two bumps, first then heated shell 4 upper grooves 13 corresponding position zones, utilize drift 5 alignment indentation 13 that the material on the partial shell 4 is poured to groove 13, form bump 23, bump 23 joins with three limits of groove 13, pour back and the groove 13 inboard interference fit that form, after treating bump 23 coolings, the requirement of combining closely still can be satisfied in the inboard of itself and groove 13, by the groove (for example evenly being arranged on three grooves of the circumferencial direction of link 3) of link 3 diverse locations and combining of bump, reach the fixing effect of housing and pump assembly.According to a kind of compressor pump assembly of the embodiment of the invention and the fixed structure of housing, overcome the link distortion that the welding process of prior art causes, gas leakage, problems such as welding slag intrusion; Again because only need be respectively equipped with the bump of combining closely at the two ends of groove with three avris walls of groove, the bump shape does not need to match with groove shapes, so having overcome existing heating fastening matches for making cylindrical protrusion portion and hole, requirement on machining accuracy to drift is very high, impulse force to drift requires bigger, and dash the problem that causes the damage of link partially and influence the working life of drift because of drift easily, reached and reduced the link distortion, guarantee the quality of fit of drift and groove better, reduce the drift impulse force, improve the effect in drift life-span.And be positioned at groove two ends by on housing, stamping out, and with the bump that three avris walls of groove compress mutually, significantly reduced the number of fluting, reduced difficulty of processing and processing cost.Wherein, for the reliability that guarantees to connect, axial thickness (H) at interval is greater than 1mm.
The present invention also provides a kind of compressor, comprises the fixed structure of foregoing compressor pump assembly and housing.
As can be seen from the above description, the above embodiments of the present invention have realized following technique effect:
Fixed structure according to a kind of compressor pump assembly of the present invention and housing, not only can improve the link distortion that welding process causes, gas leakage, welding slag is invaded, reduce problems such as scolder consumptive material, and drift is in the drawing course of action, the impulse force that can also reduce drift also can reduce the stressed of link simultaneously, further reduced the distortion of link, improve the working life of drift, and the form of groove is offered in employing, can in each the first adjacent groove part and second groove part, stamp out a plurality of bumps, improve the join strength of compressor pump assembly and housing, can be applicable to fixing of big type compressor according to the fixed structure of a kind of compressor pump assembly of the present invention and housing.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. the fixed structure of compressor pump assembly and housing is used for pump assembly is fixed in the housing, it is characterized in that,
Described pump assembly comprises link and is sheathed in the described housing by described link,
The outer peripheral surface of described link is provided with at least one pair of adjacent groove, is respectively first groove and second groove, forms clamping part between described first groove and described second groove;
Be provided with first bump with the corresponding position of described first groove on the described inner walls, be provided with second bump with the corresponding position of described second groove on the described inner walls, described first bump is placed in first groove, described second bump is placed in second groove, has the structure of the described clamping part of suitable clamping between described first bump and described second bump.
2. the fixed structure of compressor pump assembly according to claim 1 and housing, it is characterized in that, the groove width of described first groove and described second groove equates that described first groove parallels with described link axis direction with the flute length direction of described second groove.
3. the fixed structure of compressor pump assembly according to claim 1 and housing, it is characterized in that, described first bump and described second bump are equal-sized cylindrical protrusion portion, and described first bump and the described second bump diameter are less than or equal to the groove width of described first groove and described second groove.
4. the fixed structure of compressor pump assembly according to claim 1 and housing is characterized in that described clamping part is at least 2; Described clamping part is arranged on the outer peripheral surface of described link equably.
5. the fixed structure of compressor pump assembly according to claim 2 and housing, it is characterized in that, the flute length direction of described first groove and the flute length direction of described second groove coincide, described clamping part is circumferencial direction, the axial thickness of described clamping part (C) is greater than 1mm, and is less than or equal to poor (1mm＜C≤(B-2D)) that described link height (B) deducts 2 times groove width (D).
6. the fixed structure of compressor pump assembly according to claim 2 and housing, it is characterized in that, the flute length direction of described first groove parallels with the flute length direction of described second groove, it is axial that described clamping part is, the circumferencial direction thickness (F) of described clamping part is greater than 1mm, and is less than or equal to 2 times of groove width (D) (1mm＜F≤2D).
7. the fixed structure of compressor pump assembly according to claim 5 and housing is characterized in that, described outer peripheral surface is provided with two pairs of adjacent grooves, and described every pair of groove comprises first groove and second groove.
8. the fixed structure of compressor pump assembly according to claim 7 and housing, it is characterized in that, the thickness (F) of the clamping part of the formation between first groove of described first pair of groove and first groove of second pair of groove is greater than 1mm, and is less than or equal to 2 times of groove width (D) (1mm＜F≤2D).
9. the fixed structure of compressor pump assembly according to claim 1 and housing, it is characterized in that, described first bump is the identical cylindrical protrusion portions of a plurality of sizes, and the quantity of the cylindrical protrusion portion that described second bump contains is identical with first bump.
10. the fixed structure of compressor pump assembly according to claim 6 and housing, it is characterized in that, the flute length (E) of described first groove and second groove is greater than half of link height (B) and half sum of groove width (D), and less than the difference of link height (B) and 1mm ((0.5B+0.5D)＜E＜(B-1) mm).
11. the fixed structure of compressor pump assembly and housing is used for pump assembly is fixed in the housing, it is characterized in that,
Described pump assembly comprises link and is sheathed in the described housing by described link,
The outer peripheral surface of described link is provided with groove, described groove quantity is at least 1, described groove evenly is arranged on the excircle of link, the groove width of described each groove equates, the flute length direction is parallel with the axial direction of link, and adjacent with described link respectively two ends, the two ends of described each groove have at interval;
Be provided with bump with the corresponding position of described groove on the described inner walls, described bump is arranged on the two ends of described groove, and combines closely with the inboard of described groove.
12. the fixed structure of compressor pump assembly according to claim 11 and housing, it is characterized in that described groove is 3, evenly distributes along circumference, the corresponding bump quantity of single described groove is two, and the axial thickness at described interval (H) is greater than 1mm.
13. a compressor is characterized in that, comprises the fixed structure of each described compressor pump assembly and housing in the claim 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102236380A CN102062096A (en) | 2009-11-18 | 2009-11-18 | Compressor and fixing structure of pump body assembly and shell of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102236380A CN102062096A (en) | 2009-11-18 | 2009-11-18 | Compressor and fixing structure of pump body assembly and shell of compressor |
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| Publication Number | Publication Date |
|---|---|
| CN102062096A true CN102062096A (en) | 2011-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102236380A Pending CN102062096A (en) | 2009-11-18 | 2009-11-18 | Compressor and fixing structure of pump body assembly and shell of compressor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375389A (en) * | 2012-04-30 | 2013-10-30 | 艾默生环境优化技术有限公司 | Compressor staking arrangement and method |
| US9964122B2 (en) | 2012-04-30 | 2018-05-08 | Emerson Climate Technologies, Inc. | Compressor staking arrangement and method |
-
2009
- 2009-11-18 CN CN2009102236380A patent/CN102062096A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375389A (en) * | 2012-04-30 | 2013-10-30 | 艾默生环境优化技术有限公司 | Compressor staking arrangement and method |
| US9964122B2 (en) | 2012-04-30 | 2018-05-08 | Emerson Climate Technologies, Inc. | Compressor staking arrangement and method |
| US10883519B2 (en) | 2012-04-30 | 2021-01-05 | Emerson Climate Technologies, Inc. | Compressor staking arrangement |
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Application publication date: 20110518 |