CN205172960U - Rotary compressor's bearing - Google Patents
Rotary compressor's bearing Download PDFInfo
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- CN205172960U CN205172960U CN201521014197.0U CN201521014197U CN205172960U CN 205172960 U CN205172960 U CN 205172960U CN 201521014197 U CN201521014197 U CN 201521014197U CN 205172960 U CN205172960 U CN 205172960U
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- bearing
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- valve seat
- rotary compressor
- solder joint
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Abstract
The utility model discloses a rotary compressor's bearing, including the bearing main part. Be equipped with the disk seat installation department that is used for installing the discharge valve seat in the bearing main part, be equipped with the spaced apart through -hole of a plurality of circumference in the bearing main part, in a plurality of through -holes at least one for the disk seat installation department establish the radial same one side at the center of bearing main part and the radial outside that the through -hole lies in the disk seat installation department in order to constitute buffering portion, constitute entity portion between two adjacent through -holes. According to the utility model discloses a rotary compressor's bearing, when welding the bearing, with the corresponding solder joint of disk seat installation department at the welded in -process, can show the welding stress who reduces the disk seat installation department and receive through buffering portion to can reduce the deformation of bearing, solve the bad problem of moment of torsion among the production line assembling process, and can avoid the bearing to produce wearing and tearing at the in -process of rotary compressor operation, and then can improve rotary compressor's performance.
Description
Technical field
The utility model relates to Compressor Technology field, especially relates to a kind of bearing of rotary compressor.
Background technique
In correlation technique, the main bearing welded structure of rotary compressor, occurred frequently at assembly process middle pump body moment of torsion reject ratio, have a strong impact on rhythm of production, even occurred that this machine produces the phenomenon halted, therefore needed to improve.
Model utility content
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the utility model proposes a kind of bearing of rotary compressor, this bearing welding deformation is little.
According to the bearing of the rotary compressor of the utility model embodiment, comprise: bearing main body, described bearing main body is provided with the valve seat assembly department for installing delivery valve seat, described bearing main body is provided with the isolated through hole of multiple circumference, at least one in described multiple through hole is located at the radial the same side at the center of described bearing main body relative to described valve seat assembly department and described through hole is positioned at the radial outside of described valve seat assembly department to form buffer part, forms entity portion between adjacent two described through holes.
According to the bearing of the rotary compressor of the utility model embodiment, by in multiple through holes of being provided with by bearing main body, at least one to be located at the radial the same side at the center of bearing main body relative to valve seat assembly department, and this through hole is positioned at the radial outside of valve seat assembly department to form buffer part, thus when welding bearing, the solder joint corresponding with valve seat assembly department is in the process of welding, welding stress suffered by valve seat assembly department can be significantly reduced by buffer part, thus the distortion of bearing can be reduced, solve the bad problem of moment of torsion in production line assembly process, and produce abrasion in the process that bearing can be avoided to run at rotary compressor, and then the performance of rotary compressor can be improved.
According to embodiments more of the present utility model, the two ends of described valve seat assembly department have installation through hole respectively, cross the center of described bearing main body and are defined as valve seat center vertical line perpendicular to described two vertical lines installing the line of through hole.
Further, the circumferential distance between the center of described buffer part and described valve seat center vertical line is less than or equal to 1/3rd of the circumferential lengths of described buffer part.
Preferably, being centrally located on the vertical line of described valve seat center of described buffer part.
According to embodiments more of the present utility model, the circumferential lengths a of described buffer part and the length L of described valve seat assembly department has following relation: 0.5L≤a≤L.
According to embodiments more of the present utility model, in the housing that described bearing is welded on described rotary compressor and the periphery wall of described bearing main body is provided with the first solder joint and multiple second solder joint, described first solder joint is positioned at the radial outside of described buffer part, described second solder joint and described first solder joint circumference spaced apart, and each described second solder joint is positioned at the radial outside in corresponding described entity portion, the described entity portion corresponding with described second solder joint is defined as first instance portion.
Further, described first phase of solder joint is less than or equal to 1/3rd of the circumferential lengths of described buffer part for the circumferential distance of the line at the center of described buffer part and the center of described bearing main body.
Preferably, described first solder joint is positioned on the line at the center of described buffer part and the center of described bearing main body.
According to embodiments more of the present utility model, described second phase of solder joint is less than or equal to 1/3rd of the circumferential lengths in corresponding described entity portion for the circumferential distance of the line between the center in described first instance portion and the center of described bearing main body.
Further, described second solder joint is two and lays respectively at the both sides of described valve seat center vertical line.
According to embodiments more of the present utility model, correspond to described entity portion relative to the radial opposite side of described valve seat installation position in described bearing main body center, described entity portion is defined as second instance portion.
Further, the center in described second instance portion is less than or equal to 1/3rd of the circumferential lengths in described second instance portion relative to the distance between the vertical line of described valve seat center.
Preferably, being centrally located on the vertical line of described valve seat center of described second instance portion.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the perspective view of the bearing of rotary compressor according to the utility model embodiment;
Fig. 2 is the plan view of the bearing of rotary compressor according to the utility model embodiment;
Fig. 3 is the sectional drawing along B-B line in Fig. 2;
Fig. 4 is the plan view of the bearing of rotary compressor according to the utility model embodiment, wherein marks the circumferential lengths a of valve seat center vertical line k, buffer part and the length L of valve seat assembly department.
Reference character;
Bearing 100,
Bearing main body 1, valve seat assembly department 11, installs through hole 111, through hole 12, buffer part 13, the first solder joint 131, first instance portion 14, second solder joint 141, second instance portion 15, valve seat center vertical line k.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " length ", " on ", D score, " left side ", " right side ", " top ", " end ", " interior ", " outward ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
Below with reference to Fig. 1-Fig. 4, the bearing 100 according to the rotary compressor of the utility model embodiment is described.
As Figure 1-Figure 4, according to the bearing 100 of the rotary compressor of the utility model embodiment, bearing main body 1 is comprised.
Specifically, bearing main body 1 is provided with the valve seat assembly department 11 for installing delivery valve seat, and be understandable that, valve seat assembly department 11 can be formed in the groove on bearing main body 1, and delivery valve seat can be arranged in this groove.
Bearing main body 1 is provided with the isolated through hole 12 (such as, bearing main body 1 is provided with five isolated through holes 12 of circumference) of multiple circumference, forms entity portion between adjacent two through holes 12.Thus, under the condition ensureing bearing main body 1 rigidity, the welding stress produced when multiple through holes 12 of spaced apart setting can make bearing 100 weld on bearing main body 1 is discharged by multiple through hole 12, thus the welding deformation of the entirety of bearing 100 can be reduced, and the weight of bearing 100 self can be alleviated, material saving.
At least one in multiple through hole 12 is located at the radial the same side at the center of bearing main body 1 relative to valve seat assembly department 11 and through hole 12 is positioned at the radial outside of valve seat assembly department 11 to form buffer part 13.That is, at least one and valve seat assembly department 11 in multiple through hole 12 have the part be oppositely arranged diametrically, and this through hole 12 is positioned at the radial outside of valve seat assembly department 11 to form the buffer part 13 with the effect of buffering welding stress.That is, buffer part 13 can be made up of a through hole 12, also can be made up of multiple through hole 12.When buffer part 13 is made up of multiple through hole 12, multiple through hole 12 can be close to and spaced apart setting.
With reference to Fig. 4, the center of bearing main body 1 and two end points lines of valve seat assembly department 11 are respectively ray c and ray d, the scope of " the radial the same side relative to the center that valve seat assembly department 11 is positioned at bearing main body 1 " can be understood as the scope be between ray c and ray d, namely, time within the scope being between ray c and ray d at least partially of buffer part 13, buffer part 13 can play effect valve seat assembly department 11 being alleviated to welding stress.
Be understandable that, valve seat assembly department 11 is rigidity vulnerable areas of bearing 100, effect when bearing 100 welds easily by welding stress produces larger welding deformation, by arranging above-mentioned buffer part 13, the welding stress produced when the solder joint be oppositely arranged with valve seat assembly department 11 welds can be discharged by buffer part 13, valve seat assembly department 11 is passed to reduce welding stress, thus significantly can reduce axial deformation that valve seat assembly department 11 produces because of welding stress (such as, with reference to Fig. 3, valve seat assembly department 11 is because of welding stress deformation and protrude downwards, namely the lower end surface of bearing main body 1 produces axial deformation), abrasion are produced in the process avoiding bearing 100 to run at rotary compressor, and the moment of torsion reject ratio that can reduce in assembly process, and then the performance of rotary compressor can be improved.
According to the bearing 100 of the rotary compressor of the utility model embodiment, by in multiple through holes 12 of being provided with by bearing main body 1, at least one to be located at the radial the same side at the center of bearing main body 1 relative to valve seat assembly department 11, and this through hole 12 is positioned at the radial outside of valve seat assembly department 11 to form buffer part 13, thus when welding bearing 100, the solder joint corresponding with valve seat assembly department 11 is in the process of welding, can by the welding stress of buffer part 13 significantly suffered by reduction valve seat assembly department 11, thus the distortion of bearing 100 can be reduced, solve the bad problem of moment of torsion in production line assembly process, and produce abrasion in the process that bearing 100 can be avoided to run at rotary compressor, and then the performance of rotary compressor can be improved.
According to embodiments more of the present utility model, as Figure 1-Figure 4, the two ends of valve seat assembly department 11 have respectively installs through hole 111, installs through hole 111 and may be used for installing delivery valve seat.Cross the center of bearing main body 1 and be defined as valve seat center vertical line k (with reference to Fig. 4) perpendicular to two vertical lines installing the line of through hole 111.
Further, with reference to Fig. 4, the circumferential distance between the center of buffer part 13 and valve seat center vertical line k is less than or equal to 1/3rd of the circumferential lengths a of buffer part 13.Thus, can ensure, between buffer part 13 and valve seat assembly department 11, there is larger opposite segments, to make buffer part 13 play the effect alleviating preferably welding stress, thus produce less axial deformation during the process that valve seat assembly department 11 welds at bearing 100 can be ensured.
Preferably, on the valve seat center that the is centrally located at vertical line k of buffer part 13, buffer part 13 can be made thus to play the effect better alleviating welding stress, namely the impact of welding stress on valve seat assembly department 11 can be reduced to a great extent by buffer part 13, thus the axial deformation produced in the process that valve seat assembly department 11 can be made to weld at bearing 100 drops to lower, and produce abrasion in the process that bearing 100 can be avoided better to run at rotary compressor.
In embodiments more of the present utility model, with reference to Fig. 4, the circumferential lengths a of buffer part 13 and the length L of valve seat assembly department 11, there is following relation: 0.5L≤a≤L.Thus, both can ensure the rigidity of bearing 100, buffer part 13 can be made again to play the effect alleviating preferably welding stress, namely can ensure to produce less axial deformation in the process that valve seat assembly department 11 welds at bearing 100.
According to embodiments more of the present utility model, as Figure 1-Figure 4, in the housing (scheming not shown) that bearing 100 is welded on rotary compressor and the periphery wall of bearing main body 1 is provided with the first solder joint 131 and multiple second solder joint 141, second solder joint 141 and the first solder joint 131 circumference spaced apart, the first solder joint 131 and multiple second solder joint 141 are all welded to connect for bearing 100 and housing.First solder joint 131 is positioned at the radial outside of buffer part 13, thus when welding the first solder joint 131 place, the welding stress welding generation herein can be released by buffer part 13, the welding stress that namely can reduce this place is significantly passed to valve seat assembly department 11, thus significantly can reduce the axial deformation of valve seat assembly department 11, improve the performance of rotary compressor.
Further, with reference to Fig. 4, the first solder joint 131 is less than or equal to 1/3rd of the circumferential lengths of buffer part 13 relative to the circumferential distance of the line at the center of buffer part 13 and the center of bearing main body 1.Thus, the welding stress produced when the first solder joint 131 can be made to weld is alleviated by buffer part 13 effectively, namely the welding stress produced when buffer part 13 can stop the first solder joint 131 to weld effectively is passed to valve seat assembly department 11, to reduce the axial deformation of valve seat assembly department 11.
Be understandable that, the first solder joint 131 is less relative to the circumferential distance of the line at the center of buffer part 13 and the center of bearing main body 1, and the effect of the relieve stresses that buffer part 13 plays is more remarkable.Preferably, first solder joint 131 is positioned on the line at the center of buffer part 13 and the center of bearing main body 1, namely the first solder joint 131 is zero relative to the circumferential distance of the line f at the center of buffer part 13 and the center of bearing main body 1, now, the effect of the relieve stresses that buffer part 13 plays is more remarkable, thus greatly can reduce the axial deformation of valve seat assembly department 11.
As Figure 1-Figure 4, each second solder joint 141 is positioned at the radial outside in corresponding entity portion, and the entity portion corresponding with the second solder joint 141 is defined as first instance portion 14.By the second solder joint 141 being located at the radial outside in corresponding entity portion, thus the rigidity being welded to connect place of bearing 100 and housing can be ensured.
Further, the second solder joint 141 is less than or equal to 1/3rd of the circumferential lengths in corresponding entity portion relative to the circumferential distance of the line between the center in first instance portion 14 and the center of bearing main body 1.Thus, both ensure that the rigidity being welded to connect place of bearing 100 and housing, the welding stress that the second solder joint 141 simultaneously also can be made to produce distributes comparatively equably, and welding stress can be alleviated by the through hole 12 adjacent with first instance portion 14 and discharges.
Be understandable that, second solder joint 141 is less relative to the circumferential distance of the line between the center in first instance portion 14 and the center of bearing main body 1, welding stress distribution more even produced when second solder joint 141 welds, also can ensure the rigidity being welded to connect place of bearing 100 and housing further.Such as, the second solder joint 141 can on the line between the center in first instance portion 14 and the center of bearing main body 1, and namely the second solder joint 141 is zero relative to the circumferential distance of the line between the center in first instance portion 14 and the center of bearing main body 1.
Further, as shown in Figure 2 and Figure 4, the second solder joint 141 is two and lays respectively at the both sides (for example, referring to Fig. 4, two the second solder joints 141 lay respectively at the left and right sides of valve seat center vertical line k) of valve seat center vertical line k.That is, now first instance portion 14 is also two, and two the second solder joints 141 lay respectively at the radial outside in two second instance portions 15.Thus, the first solder joint 131 and two the second solder joints 141 can be made to distribute comparatively equably on bearing main body 1, reduce the welding deformation of bearing main body 1.
In addition, yes be appreciated that, the housing of rotary compressor can comprise main casing and lower shell body, when bearing 100 is the main bearing of rotary compressor, main bearing is connected with the main casing of rotary compressor with multiple second solder joint 141 by the first solder joint 131, and main bearing 100 is connected to the bottom of main casing.Now, the bottom of main casing can produce larger distortion.Such as, when the second solder joint 141 is two, main bearing is connected with main casing with two the second solder joints 141 by the first solder joint 131, and namely main bearing is welded to connect by three solder joints and main casing.Thus, the bottom of main casing is in weld heating process, can plastic deformation be there is in solder joint local, thus the lower end surface of main casing shape triangular in shape may be caused due to welding deformation, when now the main casing after welding being loaded the lower shell body of rotary compressor, lower shell body will produce extruding to the bottom of main casing, and lower shell body produces extruding force to main bearing simultaneously.
Owing to being provided with buffer part 13 between the first solder joint 131 and valve seat assembly department 11, now lower shell body can be alleviated release by buffer part 13 to the extruding force that main bearing produces, namely can reduce lower shell body widely and valve seat assembly department 11 is passed to the extruding force that main bearing produces, thus can avoid or significantly reduce the further distortion of valve seat assembly department 11.And main bearing is located at above the cylinder of rotary compressor, the axial deformation that valve seat assembly department 11 produces is towards the Direction distortion of cylinder, and namely the lower end surface (above-below direction with reference in Fig. 3) of main bearing produces and protrudes distortion downwards.Reduce or avoid the further distortion of valve seat assembly department 11, namely reduce or avoid the lower end surface of main bearing to produce and protrude distortion downwards, and then rotary compressor can be avoided in the process of work to produce abrasion in the lower end surface of main bearing.
According to embodiments more of the present utility model, as shown in Fig. 1-Fig. 2 and Fig. 4, correspond to entity portion relative to the radial opposite side at the center that valve seat assembly department 11 is positioned at bearing main body 1, this entity portion is defined as second instance portion 15.With reference to Fig. 4, the line at the center of bearing main body 1 and the two ends of valve seat assembly department 11 is respectively ray c and ray d, and the reverse extending line of ray c and ray d is respectively ray i and ray j.Can be understood as in the scope of the radial opposite side at bearing main body 1 center the scope be between ray i and ray j relative to valve seat assembly department 11, that is, second instance portion 15 at least partially between ray i and ray j.Thus, by the second instance portion 15 be provided with, the rigidity of bearing 100 self can be ensured, indirectly improve the rigidity of the pump housing of rotary compressor, thus the performance of rotary compressor can be improved.
Further, the center in second instance portion 15 is less than or equal to 1/3rd of the circumferential lengths in second instance portion 15 relative to the distance between the vertical line k of valve seat center.Thus, the rigidity of bearing 100 can be ensured further.Preferably, the center in second instance portion 15 can be positioned on the vertical line k of valve seat center, now can ensure the rigidity of bearing 100 well, indirectly improve the rigidity of the pump housing of rotary compressor further, thus the performance of rotary compressor can be improved further.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (13)
1. a bearing for rotary compressor, is characterized in that, comprising:
Bearing main body, described bearing main body is provided with the valve seat assembly department for installing delivery valve seat, described bearing main body is provided with the isolated through hole of multiple circumference, at least one in described multiple through hole is located at the radial the same side at the center of described bearing main body relative to described valve seat assembly department and described through hole is positioned at the radial outside of described valve seat assembly department to form buffer part, forms entity portion between adjacent two described through holes.
2. the bearing of rotary compressor according to claim 1, it is characterized in that, the two ends of described valve seat assembly department have installation through hole respectively, cross the center of described bearing main body and are defined as valve seat center vertical line perpendicular to described two vertical lines installing the line of through hole.
3. the bearing of rotary compressor according to claim 2, it is characterized in that, the circumferential distance between the center of described buffer part and described valve seat center vertical line is less than or equal to 1/3rd of the circumferential lengths of described buffer part.
4. the bearing of rotary compressor according to claim 3, is characterized in that, being centrally located on the vertical line of described valve seat center of described buffer part.
5. the bearing of rotary compressor according to claim 1, it is characterized in that, the circumferential lengths a of described buffer part and the length L of described valve seat assembly department has following relation: 0.5L≤a≤L.
6. the bearing of rotary compressor according to claim 2, it is characterized in that, in the housing that described bearing is welded on described rotary compressor and the periphery wall of described bearing main body is provided with the first solder joint and multiple second solder joint, described first solder joint is positioned at the radial outside of described buffer part, described second solder joint and described first solder joint circumference spaced apart, and each described second solder joint is positioned at the radial outside in corresponding described entity portion, the described entity portion corresponding with described second solder joint is defined as first instance portion.
7. the bearing of rotary compressor according to claim 6, it is characterized in that, described first phase of solder joint is less than or equal to 1/3rd of the circumferential lengths of described buffer part for the circumferential distance of the line at the center of described buffer part and the center of described bearing main body.
8. the bearing of rotary compressor according to claim 7, it is characterized in that, described first solder joint is positioned on the line at the center of described buffer part and the center of described bearing main body.
9. the bearing of rotary compressor according to claim 6, it is characterized in that, described second phase of solder joint is less than or equal to 1/3rd of the circumferential lengths in corresponding described entity portion for the circumferential distance of the line between the center in described first instance portion and the center of described bearing main body.
10. the bearing of rotary compressor according to claim 6, it is characterized in that, described second solder joint is two and lays respectively at the both sides of described valve seat center vertical line.
The bearing of 11. rotary compressors according to claim 2, it is characterized in that, correspond to described entity portion relative to the radial opposite side of described valve seat installation position in described bearing main body center, described entity portion is defined as second instance portion.
12. according to the bearing of rotary compressor described in claim 11, and it is characterized in that, the center in described second instance portion is less than or equal to 1/3rd of the circumferential lengths in described second instance portion relative to the distance between the vertical line of described valve seat center.
13. according to the bearing of rotary compressor described in claim 12, and it is characterized in that, described second instance portion is centrally located on the vertical line of described valve seat center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521014197.0U CN205172960U (en) | 2015-12-08 | 2015-12-08 | Rotary compressor's bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521014197.0U CN205172960U (en) | 2015-12-08 | 2015-12-08 | Rotary compressor's bearing |
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| Publication Number | Publication Date |
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| CN205172960U true CN205172960U (en) | 2016-04-20 |
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| CN201521014197.0U Active CN205172960U (en) | 2015-12-08 | 2015-12-08 | Rotary compressor's bearing |
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| CN (1) | CN205172960U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833014A (en) * | 2021-03-22 | 2021-05-25 | 广东美芝精密制造有限公司 | Main bearing, compressor, refrigeration equipment and production process |
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2015
- 2015-12-08 CN CN201521014197.0U patent/CN205172960U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833014A (en) * | 2021-03-22 | 2021-05-25 | 广东美芝精密制造有限公司 | Main bearing, compressor, refrigeration equipment and production process |
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