CN204200518U - A kind of compressor - Google Patents
A kind of compressor Download PDFInfo
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- CN204200518U CN204200518U CN201420640637.2U CN201420640637U CN204200518U CN 204200518 U CN204200518 U CN 204200518U CN 201420640637 U CN201420640637 U CN 201420640637U CN 204200518 U CN204200518 U CN 204200518U
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- plug cock
- bent axle
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- compressor
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Abstract
The utility model discloses a kind of compressor.It comprises plug cock and bent axle, and the perisporium of described plug cock upper end is provided with at least one protruding structure, and described bent axle lower end inner hole wall is provided with for fixing sunk structure suitable with protruding structure.The circumscribed circle diameter of described protruding structure is greater than the diameter of bore of bent axle lower end.The perisporium of described plug cock upper end is provided with at least one notch.The utility model adopts innovatively and arranges protruding structure at plug cock, and arranges adaptive structure of caving at bent axle, promotes plug cock and bent axle join strength between the two, improves the stability that plug cock is connected with bent axle, the reliability of effective guarantee compressor operating.
Description
Technical field
The utility model relates to a kind of compressor, is specifically related to a kind of compressor improving plug cock and bent axle linkage structure.
Background technique
As shown in Figure 1, existing compressor includes: compressor case 1, motor 2, liquid-storage container 3 and the pump housing 4 form; As shown in Figure 2, the described pump housing 4 comprises upper bearing (metal) 41, cylinder 42, lower bearing 43, piston 44, slide block 45 and bent axle 46, and bent axle 46 lower end is connected with oily blade 47 and plug cock 48.
In prior art, plug cock 48 is connected and fixed by interference fit and bent axle 46, during compressor operation, dynamic crankshaft 46 High Rotation Speed is with by motor 2, and the oily blade 47 and the plug cock 48 that are connected to bent axle 46 lower end rotate together with bent axle 46, form the oil supply system of compressor, lubricant oil bottom compressor is transported to compressor top, for the friction pair of the pump housing 4 provides lubrication, reduce the wearing and tearing between each friction pair, ensure the reliability of compressor.
The plug cock 48 that current volume production uses only is fixed by interference fit when being connected with bent axle 46, and be specially plug cock 48 upper end and bent axle 46 lower end and carry out interference fit, assembling intensity is between the two low.Compressor is when operating for a long time, and coming off may appear in plug cock 48, makes compressor oil-supplying system destruction, causes the lubricant oil of bottom cannot be transported between each friction pair of the pump housing.Parts of Compressor produces dry friction because of oil starvation, thus accelerated wear test, affect the reliability of compressor operation.
Model utility content
The purpose of this utility model is for the problems referred to above deficiency, a kind of compressor improving plug cock and bent axle linkage structure is provided, promote plug cock and bent axle join strength between the two, improve the stability that plug cock is connected with bent axle, the reliability of effective guarantee compressor operating.
In order to achieve the above object, the utility model is by the following technical solutions:
A kind of compressor, comprise plug cock and bent axle, the perisporium of described plug cock upper end is provided with at least one protruding structure, and described bent axle lower end inner hole wall is provided with for fixing sunk structure suitable with protruding structure.
Particularly, the circumscribed circle diameter of described protruding structure is greater than the diameter of bore of bent axle lower end.
As preferably, the perisporium of described plug cock upper end is provided with at least one notch.Described notch is strip notch, and its lower end is arc transition.The length of described strip notch is less than the connecting length of plug cock and bent axle.Further, described strip notch is vertical strip notch; Or described strip notch is oblique strip notch.
Concrete further, described protruding structure is bump structure, and described sunk structure is for fixing bowl configurations suitable with this bump structure; Or described protruding structure is bulge loop arc structure, described sunk structure is for fixing concave ring groove structure suitable with this bulge loop arc structure; Or described protruding structure is barb structure, described sunk structure is for fixing recessed grooved configuration suitable with this barb structure.
The utility model adopts innovatively and arranges protruding structure at plug cock, and arranges adaptive structure of caving at bent axle, promotes plug cock and bent axle join strength between the two, improves the stability that plug cock is connected with bent axle, the reliability of effective guarantee compressor operating.
Accompanying drawing explanation
Fig. 1 is the sectional view of existing compressor.
Fig. 2 is existing pump body structure sectional view.
The linkage structure exploded view that Fig. 3 is the plug cock described in the utility model embodiment 1 and bent axle.
The linkage structure sectional view that Fig. 4 is the plug cock described in the utility model embodiment 1 and bent axle.
The linkage structure exploded view that Fig. 5 is the plug cock described in the utility model embodiment 2 and bent axle.
The linkage structure sectional view that Fig. 6 is the plug cock described in the utility model embodiment 2 and bent axle.
The linkage structure exploded view that Fig. 7 is the plug cock described in the utility model embodiment 3 and bent axle.
The linkage structure sectional view that Fig. 8 is the plug cock described in the utility model embodiment 3 and bent axle.
The linkage structure exploded view that Fig. 9 is the plug cock described in the utility model embodiment 4 and bent axle.
The linkage structure sectional view that Figure 10 is the plug cock described in the utility model embodiment 4 and bent axle.
The linkage structure exploded view that Figure 11 is the plug cock described in the utility model embodiment 5 and bent axle.
The linkage structure sectional view that Figure 12 is the plug cock described in the utility model embodiment 5 and bent axle.
Below by way of the drawings and specific embodiments, the utility model is further described:
Embodiment
Embodiment 1
A kind of compressor described in the utility model, comprise compressor case 1, motor 2, liquid-storage container 3 and the pump housing 4 to form (see Fig. 1), the described pump housing 4 comprises upper bearing (metal) 41, cylinder 42, lower bearing 43, piston 44, slide block 45 and bent axle 46, and bent axle 46 lower end is connected with oily blade 47 and plug cock 48 (see Fig. 2).
As shown in Figures 3 and 4, the perisporium of described plug cock 48 upper end is provided with at least one notch 51 and at least one protruding structure, and described bent axle 46 lower end inner hole wall is provided with for fixing sunk structure suitable with protruding structure.The circumscribed circle diameter of described protruding structure is greater than the diameter of bore of bent axle 46 lower end.
Further, described notch 51 is strip notch, its lower end is arc transition, and the length of described strip notch is less than plug cock 48 and the connecting length of bent axle 46, is specially, the upper end of described notch 51 is through the upper end-face edge of plug cock 48, it makes plug cock 48 upper end in the divided of being separated by notch 51, and the object that notch 51 lower end is arc transition is that preventing plug cock from producing stress in notch 51 lower end concentrates, and then easily there is mechanical fatigue and produce irregular tearing, causing plug cock to be scrapped.Further, described strip notch is vertical strip notch, and namely described strip notch parallels setting with the central axis of plug cock 48; Or described strip notch can be also oblique strip notch (not drawing in figure), and namely described strip notch is crossing with the central axis of plug cock 48 is arranged.
Further concrete, described protruding structure is bump structure 521, and described sunk structure is for fixing bowl configurations 531 suitable with this bump structure 521, namely described bump structure 521 and both bowl configurations 531 suitable realizes locating fix.
It should be noted that, the quantity of described notch 51 can be one, two, three, four or more, wherein preferred forms is: the perisporium of described plug cock 48 upper end is provided with four notches 51, and bump structure 521 described in the present embodiment is consistent with the quantity of notch 51, namely the perisporium of described plug cock 48 upper end is provided with four bump structures 521.It should be noted that, the quantity of described bump structure 521 also can be inconsistent with the quantity of notch 51, and the quantity of bump structure 521 can be arranged according to actual needs and flexibly.
Below by way of embody rule, the utility model is further described:
When plug cock 48 is installed, under force, radial elastic shrinkage will be there is in plug cock 48 upper end along notch 51, described notch 51 is the radial contraction vacating space of plug cock 48 upper end, along with the increase of plug cock 48 compression distance, until when the bump structure 521 of plug cock 48 overlaps with the bowl configurations 531 of bent axle 46, the original radial contraction of plug cock 48 will elastic recovery, make plug cock 48 form seizing type with bent axle 46 to be firmly connected, thus the join strength promoted between plug cock 48 and bent axle 46, avoid compressor that plug cock 48 occurs in the running and come off.
Embodiment 2
As illustrated in Figures 5 and 6, a kind of compressor described in the present embodiment, the perisporium of its plug cock 48 upper end is provided with at least one notch 51 and at least one protruding structure, and described bent axle 46 lower end inner hole wall is provided with for fixing sunk structure suitable with protruding structure.The circumscribed circle diameter of described protruding structure is greater than the diameter of bore of bent axle 46 lower end.
Further, described notch 51 is strip notch, its lower end is arc transition, and the length of described strip notch is less than plug cock 48 and the connecting length of bent axle 46, is specially, the upper end of described notch 51 is through the upper end-face edge of plug cock 48, it makes plug cock 48 upper end in the divided of being separated by notch 51, and the object that notch 51 lower end is arc transition is that preventing plug cock from producing stress in notch 51 lower end concentrates, and then easily there is mechanical fatigue and produce irregular tearing, causing plug cock to be scrapped.Further, described strip notch is vertical strip notch, and namely described strip notch parallels setting with the central axis of plug cock 48; Or described strip notch can be also oblique strip notch (not drawing in figure), and namely described strip notch is crossing with the central axis of plug cock 48 is arranged.
As illustrated in Figures 5 and 6, the present embodiment in the same manner as in Example 1, but described protruding structure is bump structure 521 sunk structure of the present embodiment and the different of embodiment 1, be specially, sunk structure described in the present embodiment is for fixing concave ring groove structure 532 suitable with bump structure 521, namely described bump structure 521 and both concave ring groove structures 532 suitable realizes locating fix.
It should be noted that, the quantity of described notch 51 can be one, two, three, four or more, wherein preferred forms is: the perisporium of described plug cock 48 upper end is provided with four notches 51, and bump structure 521 described in the present embodiment is consistent with the quantity of notch 51, namely the perisporium of described plug cock 48 upper end is provided with four bump structures 521.It should be noted that, the quantity of described bump structure 521 also can be inconsistent with the quantity of notch 51, and the quantity of bump structure 521 can be arranged according to actual needs and flexibly.
Other structures of the present embodiment please refer to embodiment 1.
Below by way of embody rule, the utility model is further described:
When plug cock 48 is installed, under force, radial elastic shrinkage will be there is in plug cock 48 upper end along notch 51, described notch 51 is the radial contraction vacating space of plug cock 48 upper end, along with the increase of plug cock 48 compression distance, until when the bump structure 521 of plug cock 48 overlaps with the concave ring groove structure 532 of bent axle 46, the original radial contraction of plug cock 48 will elastic recovery, make plug cock 48 form seizing type with bent axle 46 to be firmly connected, thus the join strength promoted between plug cock 48 and bent axle 46, avoid compressor that plug cock 48 occurs in the running and come off.
Embodiment 3
As shown in FIG. 7 and 8, a kind of compressor described in the present embodiment, the perisporium of its plug cock 48 upper end is provided with at least one notch 51 and at least one protruding structure, and described bent axle 46 lower end inner hole wall is provided with for fixing sunk structure suitable with protruding structure.The circumscribed circle diameter of described protruding structure is greater than the diameter of bore of bent axle 46 lower end.
Further, described notch 51 is strip notch, its lower end is arc transition, and the length of described strip notch is less than plug cock 48 and the connecting length of bent axle 46, is specially, the upper end of described notch 51 is through the upper end-face edge of plug cock 48, it makes plug cock 48 upper end in the divided of being separated by notch 51, and the object that notch 51 lower end is arc transition is that preventing plug cock from producing stress in notch 51 lower end concentrates, and then easily there is mechanical fatigue and produce irregular tearing, causing plug cock to be scrapped.Further, described strip notch is vertical strip notch, and namely described strip notch parallels setting with the central axis of plug cock 48; Or described strip notch can be also oblique strip notch (not drawing in figure), and namely described strip notch is crossing with the central axis of plug cock 48 is arranged.
As shown in FIG. 7 and 8, the difference of the present embodiment and embodiment 1 is: described protruding structure is bulge loop arc structure 522, described sunk structure is for fixing concave ring groove structure 532 (with the concave ring groove structure 532 of embodiment 2 identical) suitable with this bulge loop arc structure 522, namely described bulge loop arc structure 522 and both concave ring groove structures 532 suitable realizes locating fix.
It should be noted that, the quantity of described notch 51 can be one, two, three, four or more, wherein preferred forms is: the perisporium of described plug cock 48 upper end is provided with four notches 51, and bulge loop arc structure 522 described in the present embodiment is consistent with the quantity of notch 51, namely the perisporium of described plug cock 48 upper end is provided with four bulge loop arc structures 522.It should be noted that, the quantity of described bulge loop arc structure 522 also can be inconsistent with the quantity of notch 51, and the quantity of bulge loop arc structure 522 can be arranged according to actual needs and flexibly.
Other structures of the present embodiment please refer to embodiment 1.
Below by way of embody rule, the utility model is further described:
When plug cock 48 is installed, under force, radial elastic shrinkage will be there is in plug cock 48 upper end along notch 51, described notch 51 is the radial contraction vacating space of plug cock 48 upper end, along with the increase of plug cock 48 compression distance, until when the bulge loop arc structure 522 of plug cock 48 overlaps with the concave ring groove structure 532 of bent axle 46, the original radial contraction of plug cock 48 will elastic recovery, make plug cock 48 form seizing type with bent axle 46 to be firmly connected, thus the join strength promoted between plug cock 48 and bent axle 46, avoid compressor that plug cock 48 occurs in the running and come off.
Embodiment 4
As shown in Figures 9 and 10, a kind of compressor described in the present embodiment, the perisporium of its plug cock 48 upper end is provided with at least one protruding structure, and described bent axle 46 lower end inner hole wall is provided with for fixing sunk structure suitable with protruding structure.The circumscribed circle diameter of described protruding structure is greater than the diameter of bore of bent axle 46 lower end.
As shown in Figures 9 and 10, the difference of the present embodiment and embodiment 1 is: the present embodiment is without the need to arranging notch, and protruding structure and sunk structure are all different with embodiment 1.Be specially, described protruding structure is barb structure 523, and described sunk structure is for fixing recessed grooved configuration 533 suitable with this barb structure 523, namely described barb structure 523 and recessed both grooved configuration 533 suitable realizes locating fix.Described recessed grooved configuration 533 is larger than the concave ring groove structure 532 in embodiment 2 at vertical width, and object is to increase the adaptive barb structure 523 in space.
It should be noted that, the quantity of described barb structure 523 can be one, two or more, wherein preferred forms is that the perisporium of plug cock 48 upper end is provided with two barb structure 523.
Below by way of embody rule, the utility model is further described:
When plug cock 48 is installed, under force, there is radial elastic shrinkage in the barb structure 523 of plug cock 48 upper end, along with the increase of plug cock 48 compression distance, until when the barb structure 523 of plug cock 48 overlaps with the recessed grooved configuration 533 of bent axle 46, the original radial contraction of barb structure 523 will elastic recovery, makes plug cock 48 form seizing type with bent axle 46 and is firmly connected, thus the join strength promoted between plug cock 48 and bent axle 46, avoid compressor that plug cock 48 occurs in the running and come off.
Embodiment 5
As shown in FIG. 11 and 12, a kind of compressor described in the present embodiment, the perisporium of its plug cock 48 upper end is provided with at least one protruding structure, and described bent axle 46 lower end inner hole wall is provided with for fixing sunk structure suitable with protruding structure.The circumscribed circle diameter of described protruding structure is greater than the diameter of bore of bent axle 46 lower end.
As shown in FIG. 11 and 12, the present embodiment is in the same manner as in Example 4 without the need to arranging notch and described protruding structure is barb structure 523, but the present embodiment difference from Example 4 is sunk structure, the sunk structure that the present embodiment adopts is the bowl configurations 531 of embodiment 1, that is, sunk structure described in the present embodiment is for fixing bowl configurations 531 suitable with barb structure 523, namely described barb structure 523 and both bowl configurations 531 suitable realizes locating fix.
It should be noted that, the quantity of described barb structure 523 can be one, two or more, wherein preferred forms is that the perisporium of plug cock 48 upper end is provided with two barb structure 523.
Below by way of embody rule, the utility model is further described:
When plug cock 48 is installed, under force, there is radial elastic shrinkage in the barb structure 523 of plug cock 48 upper end, along with the increase of plug cock 48 compression distance, until when the barb structure 523 of plug cock 48 overlaps with the bowl configurations 531 of bent axle 46, the original radial contraction of barb structure 523 will elastic recovery, makes plug cock 48 form seizing type with bent axle 46 and is firmly connected, thus the join strength promoted between plug cock 48 and bent axle 46, avoid compressor that plug cock 48 occurs in the running and come off.
Claims (10)
1. a compressor, comprises plug cock and bent axle, it is characterized in that: the perisporium of described plug cock upper end is provided with at least one protruding structure, and described bent axle lower end inner hole wall is provided with for fixing sunk structure suitable with protruding structure.
2. a kind of compressor according to claim 1, is characterized in that: the circumscribed circle diameter of described protruding structure is greater than the diameter of bore of bent axle lower end.
3. a kind of compressor according to claim 1, is characterized in that: the perisporium of described plug cock upper end is provided with at least one notch.
4. a kind of compressor according to claim 3, is characterized in that: described notch is strip notch, and its lower end is arc-shaped transition.
5. a kind of compressor according to claim 4, is characterized in that: the length of described strip notch is less than the connecting length of plug cock and bent axle.
6. a kind of compressor according to claim 4, is characterized in that: described strip notch is vertical strip notch.
7. a kind of compressor according to claim 4, is characterized in that: described strip notch is oblique strip notch.
8. a kind of compressor according to claim 1, it is characterized in that: described protruding structure is bump structure, described sunk structure is for fixing bowl configurations suitable with this bump structure, or described sunk structure is for fixing concave ring groove structure suitable with this bump structure.
9. a kind of compressor according to claim 1, is characterized in that: described protruding structure is bulge loop arc structure, and described sunk structure is for fixing concave ring groove structure suitable with this bulge loop arc structure.
10. a kind of compressor according to claim 1, it is characterized in that: described protruding structure is barb structure, described sunk structure is for fixing recessed grooved configuration suitable with this barb structure, or described sunk structure is for fixing bowl configurations suitable with this this barb structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420640637.2U CN204200518U (en) | 2014-10-30 | 2014-10-30 | A kind of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420640637.2U CN204200518U (en) | 2014-10-30 | 2014-10-30 | A kind of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204200518U true CN204200518U (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420640637.2U Active CN204200518U (en) | 2014-10-30 | 2014-10-30 | A kind of compressor |
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| Country | Link |
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| CN (1) | CN204200518U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114288A (en) * | 2015-07-07 | 2015-12-02 | 安徽美芝制冷设备有限公司 | Oil suction assembly of compressor and compressor with same |
| CN111794970A (en) * | 2020-06-05 | 2020-10-20 | 广州万宝集团压缩机有限公司 | Compressor oil pumping structure, compressor and refrigeration equipment |
-
2014
- 2014-10-30 CN CN201420640637.2U patent/CN204200518U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114288A (en) * | 2015-07-07 | 2015-12-02 | 安徽美芝制冷设备有限公司 | Oil suction assembly of compressor and compressor with same |
| CN111794970A (en) * | 2020-06-05 | 2020-10-20 | 广州万宝集团压缩机有限公司 | Compressor oil pumping structure, compressor and refrigeration equipment |
| CN111794970B (en) * | 2020-06-05 | 2022-05-20 | 广州万宝集团压缩机有限公司 | Compressor oil pumping structure, compressor and refrigeration equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |