CN206448936U - A kind of piston structure of Novel plunger pump - Google Patents
A kind of piston structure of Novel plunger pump Download PDFInfo
- Publication number
- CN206448936U CN206448936U CN201720100992.4U CN201720100992U CN206448936U CN 206448936 U CN206448936 U CN 206448936U CN 201720100992 U CN201720100992 U CN 201720100992U CN 206448936 U CN206448936 U CN 206448936U
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- Prior art keywords
- piston shoes
- ball
- socket
- bulb
- piston
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Abstract
The utility model discloses a kind of piston structure of Novel plunger pump, including piston shoes and plunger body, the end face of the piston shoes is provided with a bulb, the side of the plunger body is provided with a ball-and-socket, the bulb is extend into the ball-and-socket, and be engaged with the ball-and-socket, wherein, the side relative with the bulb is additionally provided with the layers of copper of a sintering on the piston shoes, and steel alloy is respectively adopted for the piston shoes and the plunger body and nitrated steel is made, the plunger body includes matrix and connector, the ball-and-socket is arranged on the connector, described matrix and the connector detachable connection.The utility model is by the way that bulb and ball-and-socket are separately positioned on piston shoes and plunger body, and steel alloy is respectively adopted in piston shoes and plunger body and nitrated steel makes, ball-and-socket wraps up Steel material when wrapping up bulb for Steel material, intensity after parcel improves a lot compared to copper product, it significantly increases the pulling-out force between piston shoes and plunger body, improves the service life of plunger pump.
Description
Technical field
The utility model is related to plunger pump technique field, more particularly to a kind of piston structure of Novel plunger pump.
Background technology
As shown in fig.1, the piston structure of traditional Novel plunger pump is complete typically using positive packet form, i.e. piston shoes material
Copper, ball-and-socket is arranged on that piston shoes 1 ' are interior, and bulb is arranged on plunger body 2 ', and piston shoes 1 ' produce deformation in mould during parcel, by ball
In head is wrapped in, the copper product that piston shoes 1 ' are used causes the overall construction intensity after parcel low, between piston shoes 1 ' and plunger body 2 '
Pulling-out force it is small, directly result in the service life for reducing piston structure.
Utility model content
The utility model is mainly the technical problem solved in the presence of prior art, so as to provide, a kind of intensity is high, make
With the piston structure of the Novel plunger pump of long lifespan.
Above-mentioned technical problem of the present utility model is mainly what is be addressed by following technical proposals：
The piston structure for the Novel plunger pump that the utility model is provided, including piston shoes and plunger body, the end face of the piston shoes
Provided with a bulb, the side of the plunger body is provided with a ball-and-socket, and the bulb is extend into the ball-and-socket, and with the ball-and-socket phase
Coordinate, wherein, the side relative with the bulb is additionally provided with the layers of copper of a sintering on the piston shoes, and piston shoes and described
Steel alloy is respectively adopted in plunger body and nitrated steel is made, and the plunger body includes matrix and connector, and the ball-and-socket is set
On the connector, described matrix and the connector detachable connection.
Further, described matrix is raised provided with one, and the connector is provided with a groove, it is described it is raised with it is described recessed
The screw thread of groove coordinates.
Further, it is additionally provided with sealing ring between described matrix and the connector.
Further, the inside of the piston shoes is additionally provided with center main jet oilhole and multiple auxiliary fuel injector holes, multiple described auxiliary
Axisymmetrical of the nozzle opening along the piston shoes is helped to set, and the entrance point in the auxiliary fuel injector hole and the center main jet oilhole phase
Connection, its port of export is distributed on the same circumference of layers of copper side wall.
Further, it is additionally provided with annular recess between the end face of the bulb and the piston shoes.
The beneficial effects of the utility model are：By the way that bulb and ball-and-socket are separately positioned on piston shoes and plunger body, and
And steel alloy and nitrated steel making is respectively adopted in piston shoes and plunger body, Steel material is wrapped up for Steel material during ball-and-socket parcel bulb,
Intensity after parcel improves a lot compared to copper product, and it significantly increases the pulling-out force between piston shoes and plunger body, improves
The service life of plunger pump.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the piston structure of Novel plunger pump in the prior art；
Fig. 2 is the structural representation of the piston structure of Novel plunger pump of the present utility model.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that advantage of the present utility model
It can be easier to be readily appreciated by one skilled in the art with feature, so as to make protection domain of the present utility model apparent clear and definite
Define.
As shown in fig.2, the piston structure of Novel plunger pump of the present utility model, including piston shoes 1 and plunger body 2, piston shoes 1
End face be provided with a bulb 3, the side of plunger body 2 is provided with a ball-and-socket 4, and bulb 3 is extend into ball-and-socket 4, and is matched with ball-and-socket 4
Close, wherein, the side relative with bulb 3 is additionally provided with the layers of copper 8 of a sintering on piston shoes 1, and piston shoes 1 and plunger body 2 are adopted respectively
It is made with steel alloy and nitrated steel, plunger body 2 includes matrix 21 and connector 22, ball-and-socket 4 is arranged on connector 22, base
Body 21 and the detachable connection of connector 22.For different length plunger body 2 when, can select different length the He of matrix 21
Connector 22 is assembled, so as to reduce production cost, is expanded it and is used scope.In the present embodiment, piston shoes and plunger body can divide
Cai Yong not 42CrMo and 38CrMoAlA making.
The utility model is by the way that bulb 3 and ball-and-socket 4 are separately positioned on piston shoes 1 and plunger body 2, and by the He of piston shoes 1
Steel alloy is respectively adopted in plunger body 2 and nitrated steel makes, and is wrapped up during the parcel bulb 3 of ball-and-socket 4 for Steel material after Steel material, parcel
Intensity improves a lot compared to copper product, and it significantly increases the pulling-out force between piston shoes 1 and plunger body 2, improves plunger
The service life of pump.
In the present embodiment, matrix 21 is provided with a projection 23, and connector 22 is provided with a groove 24, projection 23 and groove 24
Screw thread coordinate.Under different occasions, can also removably it be connected using other modes.
Further, in order to avoid oil leak before matrix 21 and connector 22, it is additionally provided between matrix 21 and connector 22
Sealing ring 25.
Preferably, the inside of piston shoes 1 is additionally provided with center main jet oilhole 5 and multiple auxiliary fuel injector holes 6, multiple auxiliary fuel injector holes
6 are set along the axisymmetrical of piston shoes 1, and the entrance point in auxiliary fuel injector hole 6 is connected with center main jet oilhole 5, its port of export point
Cloth is on the same circumference of the side wall of layers of copper 8.In the present embodiment, when hydraulic oil enters the center main jet oil of piston shoes 1 through plunger body 2
Hole 5 and auxiliary fuel injector hole 6 are sprayed, and in the Surface Creation oil film of layers of copper 8, under high speed rotation status, oil film is generated more rapidly, more
It is uniform more stable, it is ensured that the good operation of piston shoes 1, improve its service life.
In the utility model, generation interference, bulb 3 and piston shoes 1 when relatively rotating in order to avoid piston shoes 1 and plunger body 2
End face between be additionally provided with annular recess 7.
More than, embodiment only of the present utility model, but protection domain of the present utility model is not limited thereto,
Any change or replacement expected without creative work, should all cover within protection domain of the present utility model.Therefore,
Protection domain of the present utility model should be determined by the scope of protection defined in the claims.
Claims (5)
1. a kind of piston structure of Novel plunger pump, including piston shoes and plunger body, it is characterised in that the end face of the piston shoes is provided with
One bulb, the side of the plunger body is provided with a ball-and-socket, and the bulb is extend into the ball-and-socket, and matches with the ball-and-socket
Close, wherein, the side relative with the bulb is additionally provided with the layers of copper of a sintering, and the piston shoes and the post on the piston shoes
Steel alloy is respectively adopted in cock body and nitrated steel is made, and the plunger body includes matrix and connector, and the ball-and-socket is arranged on
On the connector, described matrix and the connector detachable connection.
2. the piston structure of Novel plunger pump as claimed in claim 1, it is characterised in that described matrix is raised provided with one,
The connector is provided with a groove, and the raised screw thread with the groove coordinates.
3. the piston structure of Novel plunger pump as claimed in claim 2, it is characterised in that described matrix and the connector it
Between be additionally provided with sealing ring.
4. the piston structure of Novel plunger pump as claimed in claim 3, it is characterised in that during the inside of the piston shoes is additionally provided with
Heart main jet oilhole and multiple auxiliary fuel injector holes, axisymmetrical of multiple auxiliary fuel injector holes along the piston shoes are set, and described
The entrance point in auxiliary fuel injector hole is connected with the center main jet oilhole, and its port of export is distributed in the same circle of layers of copper side wall
Zhou Shang.
5. the piston structure of Novel plunger pump as claimed in claim 4, it is characterised in that the end of the bulb and the piston shoes
Annular recess is additionally provided between face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720100992.4U CN206448936U (en) | 2017-01-24 | 2017-01-24 | A kind of piston structure of Novel plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720100992.4U CN206448936U (en) | 2017-01-24 | 2017-01-24 | A kind of piston structure of Novel plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206448936U true CN206448936U (en) | 2017-08-29 |
Family
ID=59668411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720100992.4U Active CN206448936U (en) | 2017-01-24 | 2017-01-24 | A kind of piston structure of Novel plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206448936U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110925158A (en) * | 2019-11-14 | 2020-03-27 | 中国航发西安动力控制科技有限公司 | Sliding shoe for axial plunger pump |
| CN114687978A (en) * | 2022-03-25 | 2022-07-01 | 宁波派锐森液压有限公司 | Plunger piston shoe and assembly process thereof |
-
2017
- 2017-01-24 CN CN201720100992.4U patent/CN206448936U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110925158A (en) * | 2019-11-14 | 2020-03-27 | 中国航发西安动力控制科技有限公司 | Sliding shoe for axial plunger pump |
| CN114687978A (en) * | 2022-03-25 | 2022-07-01 | 宁波派锐森液压有限公司 | Plunger piston shoe and assembly process thereof |
| CN114687978B (en) * | 2022-03-25 | 2024-03-12 | 宁波派锐森液压有限公司 | Plunger piston shoe and assembly process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Plunger structure of a new type of plunger pump Effective date of registration: 20210427 Granted publication date: 20170829 Pledgee: Bank of China Limited Guangzhou Development Zone Branch Pledgor: GUANGZHOU HALCYON HYDRAULIC Co.,Ltd. Registration number: Y2021980003081 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |