CN220581244U - Pin positioning device for axial plunger pump - Google Patents
Pin positioning device for axial plunger pump Download PDFInfo
- Publication number
- CN220581244U CN220581244U CN202321787074.5U CN202321787074U CN220581244U CN 220581244 U CN220581244 U CN 220581244U CN 202321787074 U CN202321787074 U CN 202321787074U CN 220581244 U CN220581244 U CN 220581244U
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- Prior art keywords
- axial plunger
- plunger pump
- positioning device
- positioning
- pin
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- 239000007787 solid Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- Reciprocating Pumps (AREA)
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Abstract
The utility model discloses a pin shaft positioning device for an axial plunger pump, which comprises a rear cover and a shell of the axial plunger pump, wherein a positioning hole I and a positioning hole II which are matched with each other are formed in the connecting end surfaces of the rear cover and the shell, and cylindrical pins are arranged in the positioning hole I and the positioning hole II. The utility model belongs to the technical field of axial plunger pumps, in particular to a pin shaft positioning device capable of positioning a rear cover and a shell of an axial plunger pump, which has the beneficial effects that: the positioning device has the advantages of high positioning precision, easiness in processing, simple structure, compact overall structure, strong bearing capacity, high impact resistance, variable load and high rigidity.
Description
Technical Field
The utility model belongs to the technical field of axial plunger pumps, and particularly relates to a pin shaft positioning device for an axial plunger pump.
Background
Along with the increasingly vigorous competition of engineering machinery industry, the improvement of product quality and the reduction of production cost become the close attention of various engineering machinery manufacturers at present. In the axial plunger pump in the prior art, the rear cover and the shell are positioned through the spigot, and the defects are that: the positioning spigot is large in size and poor in precision, intermittent cutting phenomenon exists in the spigot in the processing process, the processing is difficult, the labor and time are wasted, and the detection is difficult.
Disclosure of Invention
In order to solve the problems, the utility model provides the pin shaft positioning device for the axial plunger pump, which has the advantages of simple structure, convenience in processing and high precision positioning and improves the use effect.
In order to realize the functions, the technical scheme adopted by the utility model is as follows: the pin shaft positioning device for the axial plunger pump comprises a rear cover and a shell of the axial plunger pump, wherein a positioning hole I and a positioning hole II which are matched with each other are formed in the connecting end faces of the rear cover and the shell, and cylindrical pins are arranged in the positioning hole I and the positioning hole II.
Preferably, the cylindrical pins are uniformly distributed, at least more than 2 cylindrical pins are arranged, and the cylindrical pins are in interference connection with the positioning holes I and II.
Preferably, chamfers or fillets for guiding are arranged at two ends of the cylindrical pin.
As a preferred embodiment of the present utility model, the cylindrical pin is provided as a solid cylinder or a ring cylinder.
As a preferable technical scheme of the utility model, the positioning holes I and II are blind holes, and the sum of the depths of the positioning holes I and II is larger than the length of the cylindrical pin.
The utility model adopts the structure to obtain the beneficial effects as follows: the pin shaft positioning device for the axial plunger pump provided by the utility model adopts the positioning holes and the cylindrical pins for positioning, has a simple structure and reliable positioning precision, reduces the production cost, and improves the bearing capacity and the service life of the axial plunger pump.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
fig. 2 is a schematic view of a cylindrical pin structure.
Wherein, 1, back lid, 2, cylindric lock, 3, casing, 4, locating hole I, 5, locating hole II.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-2, the pin positioning device for the axial plunger pump provided by the utility model comprises a rear cover 1 and a shell 3 of the axial plunger pump, wherein a positioning hole 4 and a positioning hole 5 which are mutually matched are formed in the connecting end surfaces of the rear cover 1 and the shell 3, and cylindrical pins 2 are arranged in the positioning hole I4 and the positioning hole II 5.
The cylindrical pins 2 are uniformly distributed, at least more than 2 cylindrical pins are arranged and are in interference connection with the positioning holes I4 and II 5.
Both ends of the cylindrical pin 2 are provided with chamfers or fillets for guiding.
The cylindrical pin 2 is provided as a solid cylinder or a ring-shaped cylinder.
The locating holes I4 and II 5 are blind holes, and the sum of the depths of the locating holes I4 and II 5 is larger than the length of the cylindrical pin 2.
The utility model and its embodiments have been described above with no limitation, and the drawings illustrate only one embodiment of the utility model. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (5)
1. The utility model provides a round pin axle positioner for axial plunger pump which characterized in that: the axial plunger pump comprises a rear cover (1) and a shell (3), wherein the connecting end surfaces of the rear cover (1) and the shell (3) are provided with a locating hole I (4) and a locating hole II (5) which are matched with each other, and cylindrical pins (2) are arranged in the locating hole I (4) and the locating hole II (5).
2. The pin positioning device for an axial plunger pump according to claim 1, wherein: the cylindrical pins (2) are uniformly distributed, at least more than 2 cylindrical pins are arranged, and the cylindrical pins are in interference connection with the positioning holes I (4) and the positioning holes II (5).
3. The pin positioning device for an axial plunger pump according to claim 2, wherein: and chamfering or filleting for guiding are arranged at two end parts of the cylindrical pin (2).
4. A pin positioning device for an axial plunger pump according to claim 3, wherein: the cylindrical pin (2) is arranged as a solid cylinder or an annular cylinder.
5. The pin positioning device for an axial plunger pump according to claim 1, wherein: the locating holes I (4) and II (5) are blind holes, and the sum of the depths of the locating holes I (4) and II (5) is larger than the length of the cylindrical pin (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321787074.5U CN220581244U (en) | 2023-07-10 | 2023-07-10 | Pin positioning device for axial plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321787074.5U CN220581244U (en) | 2023-07-10 | 2023-07-10 | Pin positioning device for axial plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220581244U true CN220581244U (en) | 2024-03-12 |
Family
ID=90111747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321787074.5U Active CN220581244U (en) | 2023-07-10 | 2023-07-10 | Pin positioning device for axial plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220581244U (en) |
-
2023
- 2023-07-10 CN CN202321787074.5U patent/CN220581244U/en active Active
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant |