CN204402849U - The housing structure of Variable plunger pump - Google Patents
The housing structure of Variable plunger pump Download PDFInfo
- Publication number
- CN204402849U CN204402849U CN201420840300.6U CN201420840300U CN204402849U CN 204402849 U CN204402849 U CN 204402849U CN 201420840300 U CN201420840300 U CN 201420840300U CN 204402849 U CN204402849 U CN 204402849U
- Authority
- CN
- China
- Prior art keywords
- hole
- housing
- plunger
- spherical concave
- plunger pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 241000227287 Elliottia pyroliflora Species 0.000 claims abstract description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound 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[Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052802 copper Inorganic materials 0.000 claims abstract description 6
- 239000010949 copper Substances 0.000 claims abstract description 6
- 238000005245 sintering Methods 0.000 claims abstract description 5
- 239000003984 copper intrauterine device Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001360 synchronised Effects 0.000 description 1
Abstract
The utility model relates to the housing structure of Variable plunger pump, comprise columniform body, the top of body is equipped with plunger hole, boss is provided with in the middle of the top of body, the centre of body is provided with the transmission shaft mounting hole of through body, the bottom of body is provided with spherical concave surface, the bottom of plunger hole is provided with the oilhole of the through inclination to spherical concave surface, spherical concave surface fixes sintering and has base copper, plunger hole internal fixtion is embedded with copper bush, chamfering is provided with between the periphery of body and spherical concave surface, the top of body is provided with through hole near the root place uniform ring of boss, through hole is communicated with transmission shaft mounting hole, the top of body is provided with threaded mounting hole.The housing structure of the Variable plunger pump of this structure, its working life is higher and stability is better.
Description
Technical field
The utility model relates to the housing structure of Variable plunger pump.
Background technique
Axial variable plunger pump is an important device of hydraulic system, it relies on plunger to-and-fro motion in cylinder body, the vibration-direction of plunger is parallel with the central shaft of cylinder body, thus make plunger to-and-fro motion in plunger hole produce volume-variation to realize force feed, oil suction, the advantage such as have that rated pressure is high, compact structure, efficiency are high due to plunger pump and Flow-rate adjustment is convenient, is therefore widely used in hydraulic press, engineering machinery and boats and ships.
Cylinder body is driven to rotate when axial variable plunger pump works by transmission shaft, make to be slidedly assemblied in cylinder body plunger hole inner plunger synchronous rotary, variable piston passes through to drive the Angulation changes of variable head and backhaul swash plate thus the adjustment realizing plunger reciprocates stroke, realize the change of oil suction and fuel delivery, oil distribution casing is installed in the bottom of cylinder body simultaneously, and oil distribution casing is used for the oil duct conversion of plunger turnover oil.Due to the kernel component that cylinder body is plunger pump, therefore working life of cylinder body and stability are directly connected to the quality of plunger pump.
Model utility content
The purpose of this utility model is the problem overcoming above-mentioned prior art, provides a kind of working life higher and the housing structure of the good a kind of Variable plunger pump of stability.
The purpose of this utility model is achieved through the following technical solutions:
The housing structure of Variable plunger pump, comprise columniform body, the top of described body is equipped with plunger hole, boss is provided with in the middle of the top of described body, the centre of described body is provided with the transmission shaft mounting hole of through described body, the bottom of described body is provided with spherical concave surface, the bottom of described plunger hole is provided with the oilhole of the through inclination to described spherical concave surface, described spherical concave surface fixes sintering and has base copper, described plunger hole internal fixtion is embedded with copper bush, chamfering is provided with between the periphery of described body and described spherical concave surface, the top of described body is provided with through hole near the root place uniform ring of described boss, described through hole is communicated with described transmission shaft mounting hole, the top of described body is provided with threaded mounting hole.
Further, the thickness of described base copper is 1mm.
Further, the angle between the medial axis of described oilhole and the medial axis of described transmission shaft mounting hole is 30 degree.
Further, the thickness of described copper bush is 1.2mm.
Further, described through hole parallels with the medial axis of described transmission shaft mounting hole.
The housing structure of Variable plunger pump described in the utility model, comprise columniform body, the top of body is equipped with plunger hole, boss is provided with in the middle of the top of body, the centre of body is provided with the transmission shaft mounting hole of through body, the bottom of body is provided with spherical concave surface, the bottom of plunger hole is provided with the oilhole of the through inclination to spherical concave surface, spherical concave surface fixes sintering and has base copper, plunger hole internal fixtion is embedded with copper bush, chamfering is provided with between the periphery of body and spherical concave surface, the top of body is provided with through hole near the root place uniform ring of boss, through hole is communicated with transmission shaft mounting hole, the top of body is provided with threaded mounting hole.The housing structure of the Variable plunger pump of this structure, its working life is higher and stability is better.
Accompanying drawing explanation
Fig. 1 is the structural representation of the housing structure of Variable plunger pump described in the utility model;
Fig. 2 is the left view of Fig. 1.
Embodiment
According to drawings and embodiments the utility model is described in further detail below.
As shown in Figures 1 and 2, the housing structure of the Variable plunger pump described in the utility model embodiment, comprise columniform body 1, the top of body 1 is equipped with plunger hole 2, boss 3 is provided with in the middle of the top of body 1, the centre of body 1 is provided with the transmission shaft mounting hole 4 of through body 1, the bottom of body 1 is provided with spherical concave surface, the bottom of plunger hole 2 is provided with the oilhole 6 of the through inclination to spherical concave surface, spherical concave surface is fixed sintering and have base copper 7, plunger hole 2 internal fixtion is embedded with copper bush 8, chamfering 9 is provided with between the periphery of body 1 and spherical concave surface, the top of body 1 is provided with counterbore 5 near the root place uniform ring of boss 3, the top of body 1 is provided with through hole 5 near the root place uniform ring of boss 3, through hole 9 is communicated with transmission shaft mounting hole 4, the top of body 1 is provided with threaded mounting hole 10.
The thickness of base copper 7 is 1mm.Angle between the medial axis of oilhole 6 and the medial axis of transmission shaft mounting hole 4 is 30 degree.The thickness of copper bush 8 is 1.2mm.Through hole parallels with the medial axis of transmission shaft mounting hole.
The foregoing is only and mode of execution of the present utility model is described; be not limited to the utility model; for a person skilled in the art; all within spirit of the present utility model and principle; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. the housing structure of Variable plunger pump, comprise columniform body, it is characterized in that, the top of described body is equipped with plunger hole, boss is provided with in the middle of the top of described body, the centre of described body is provided with the transmission shaft mounting hole of through described body, the bottom of described body is provided with spherical concave surface, the bottom of described plunger hole is provided with the oilhole of the through inclination to described spherical concave surface, described spherical concave surface fixes sintering and has base copper, described plunger hole internal fixtion is embedded with copper bush, chamfering is provided with between the periphery of described body and described spherical concave surface, the top of described body is provided with through hole near the root place uniform ring of described boss, described through hole is communicated with described transmission shaft mounting hole, the top of described body is provided with threaded mounting hole.
2. the housing structure of Variable plunger pump as claimed in claim 1, it is characterized in that, the thickness of described base copper is 1mm.
3. the housing structure of Variable plunger pump as claimed in claim 1, it is characterized in that, the angle between the medial axis of described oilhole and the medial axis of described transmission shaft mounting hole is 30 degree.
4. the housing structure of Variable plunger pump as claimed in claim 1, it is characterized in that, the thickness of described copper bush is 1.2mm.
5. the housing structure of Variable plunger pump as claimed in claim 1, it is characterized in that, described through hole parallels with the medial axis of described transmission shaft mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420840300.6U CN204402849U (en) | 2014-12-26 | 2014-12-26 | The housing structure of Variable plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420840300.6U CN204402849U (en) | 2014-12-26 | 2014-12-26 | The housing structure of Variable plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204402849U true CN204402849U (en) | 2015-06-17 |
Family
ID=53426715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420840300.6U Expired - Fee Related CN204402849U (en) | 2014-12-26 | 2014-12-26 | The housing structure of Variable plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204402849U (en) |
-
2014
- 2014-12-26 CN CN201420840300.6U patent/CN204402849U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EXPY | Termination of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20151226 |