CN209369995U - A kind of axial plunger hydraulic pump stroking mechanism - Google Patents
A kind of axial plunger hydraulic pump stroking mechanism Download PDFInfo
- Publication number
- CN209369995U CN209369995U CN201821927291.9U CN201821927291U CN209369995U CN 209369995 U CN209369995 U CN 209369995U CN 201821927291 U CN201821927291 U CN 201821927291U CN 209369995 U CN209369995 U CN 209369995U
- Authority
- CN
- China
- Prior art keywords
- lower case
- hydraulic pump
- variable piston
- polished rod
- axial plunger
- 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
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Abstract
The utility model discloses a kind of axial plunger hydraulic pump stroking mechanisms, including lower case and polished rod, loop bar is provided with above the lower case, and lower case is internally provided with variable piston, and fixing pin is installed on the outside of loop bar, the rear surface of the variable piston opens up fluted, and the inside of variable piston offers threaded hole, the inside of loop bar is arranged in the polished rod, spring is provided on the outside of the threaded rod, the front screw of the lower case is equipped with lower cover, and the inner surface of lower cover opens up also sliding slot, the rear screw of the lower case is equipped with connection end cap, and swash plate is provided in the middle part of connection end cap.The axial plunger hydraulic pump stroking mechanism is provided with spring, during use, variable piston can be by the elastic force by spring, to increase the mobile flexibility of variable piston, the practicability for improving device solves existing variable piston and there is the phenomenon that getting stuck in the process of moving.
Description
Technical field
The utility model relates to axial plunger hydraulic pump technical field, specially a kind of axial plunger hydraulic pump variable machine
Structure.
Background technique
Axial plunger hydraulic pump completes the variation of internal hydraulic pressure in the process used by stroking mechanism, both passes through variable
Mechanism adjusts the tilt angle of internal swash plate, and existing stroking mechanism, has certain problems during use, such as
Variable piston is during moving up and down, and the problem of easily blocking, reduces the practicability of device.
Utility model content
The purpose of this utility model is to provide a kind of axial plunger hydraulic pump stroking mechanisms, to solve above-mentioned background technique
The axial plunger hydraulic pump stroking mechanism currently on the market proposed is easy the problem of blocking during use.
To achieve the above object, the utility model provides the following technical solutions: a kind of axial plunger hydraulic pump stroking mechanism,
Including lower case, polished rod and sliding block, loop bar is provided with above the lower case, and the variable that is internally provided with of lower case is lived
Plug, and fixing pin is installed on the outside of loop bar, the rear surface of the variable piston offers deep gouge, and variable piston is interior
Portion offers threaded hole, and the polished rod is arranged in the inside of loop bar, and the outer surface of polished rod open up it is fluted, and under polished rod
Side is provided with threaded rod, and spring is provided on the outside of the threaded rod, and the front screw of the lower case is equipped with lower cover, and
The inner surface of lower cover is opened up there are also sliding slot, and the rear screw of the lower case is equipped with connection end cap, and in connection end cap
Portion is provided with swash plate.
Preferably, the rounded structure of the deep gouge, and the center line of the center line of deep gouge and polished rod is in the same plane,
The inside of deep gouge is arranged in the front end of the swash plate.
Preferably, the polished rod is integrated with threaded rod, and the inside of threaded hole, and light is arranged in threaded rod
The center line of bar and the center line of lower case are mutually perpendicular to, and the top of lower case is in through-hole structure.
Preferably, the groove is in cirque structure, and groove is internally provided with fixing pin, and fixing pin closes
There are 4 in the center line symmetrical setting of loop bar, and loop bar and lower case are weldedization structure.
Preferably, the outer diameter of the spring is less than the inner width of lower case, and the diameter of spring is greater than the straight of threaded hole
Diameter.
Preferably, the inside of sliding slot is arranged in the sliding block, and sliding block moves up and down structure by variable piston composition.
Compared with prior art, the utility model has the beneficial effects that the axial plunger hydraulic pump stroking mechanism；
1, it is provided with spring, during use, variable piston can be by the elastic force by spring, to increase change
The mobile flexibility of piston is measured, the practicability of device is improved, solves existing variable piston and exist in the process of moving
The phenomenon that getting stuck；
2, it is provided with sliding slot and sliding block, during use, sliding block is moved by variable piston driving, thus in sliding slot
Portion is moved, and then effectively variable piston is limited and is oriented to, and increases the practicability of device.
Detailed description of the invention
Fig. 1 is the utility model positive structure diagram；
Fig. 2 is that structural schematic diagram is cutd open in the utility model side；
Fig. 3 is that the utility model variable piston faces clamp structure schematic diagram；
Fig. 4 is the utility model lower cover side structure schematic view.
In figure: 1, lower case；2, variable piston；3, deep gouge；4, threaded hole；5, polished rod；6, threaded rod；7, groove；8, it covers
Bar；9, fixing pin；10, rubber closure；11, spring；12, lower cover；13, sliding slot；14, sliding block；15, connection end cap；16,
Swash plate.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of axial plunger hydraulic pump stroking mechanism, packet
It is close to include lower case 1, variable piston 2, deep gouge 3, threaded hole 4, polished rod 5, threaded rod 6, groove 7, loop bar 8, fixing pin 9, rubber
Capping 10, spring 11, lower cover 12, sliding slot 13, sliding block 14, connection end cap 15 and swash plate 16, the top of lower case 1 are provided with set
Bar 8, and lower case 1 is internally provided with variable piston 2, and the outside of loop bar 8 is equipped with fixing pin 9, variable piston 2
Rear surface offer deep gouge 3, and the inside of variable piston 2 offers threaded hole 4, and the inside of loop bar 8 is arranged in polished rod 5, and
The outer surface of polished rod 5 opens up fluted 7, and the lower section of polished rod 5 is provided with threaded rod 6, and the outside of threaded rod 6 is provided with spring
11, the front screw of lower case 1 is equipped with lower cover 12, and the inner surface of lower cover 12 opens up also sliding slot 13, lower case 1
Rear screw connection end cap 15 is installed, and the middle part of connection end cap 15 is provided with swash plate 16.
The rounded structure of deep gouge 3 of present case, and the center line of the center line of deep gouge 3 and polished rod 5 is in the same plane,
The inside of deep gouge 3 is arranged in the front end of swash plate 16, it is ensured that the center of the center of mechanism and axial plunger hydraulic pump device is same
In one plane, guarantee the normal use of device.
Polished rod 5 is integrated with threaded rod 6, and the inside of threaded hole 4 is arranged in threaded rod 6, and in polished rod 5
Heart line and the center line of lower case 1 are mutually perpendicular to, and the top of lower case 1 is in through-hole structure, it is ensured that polished rod 5 normally drives
Threaded rod 6 is rotated, and then drives variable piston 2 to be moved by threaded hole 4.
Polished rod 5 is integrated with threaded rod 6, and the inside of threaded hole 4 is arranged in threaded rod 6, and in polished rod 5
Heart line and the center line of lower case 1 are mutually perpendicular to, and the top of lower case 1 is in through-hole structure, is effectively limited polished rod 5
Position guarantees the normal rotation of polished rod 5.
The outer diameter of spring 11 is less than the inner width of lower case 1, and the diameter of spring 11 is greater than the diameter of threaded hole 4, adopts
The spirit that variable piston 2 moves up and down can be increased by the elastic force of spring 11 during use with the design of spring 11
Activity.
The inside of sliding slot 13 is arranged in sliding block 14, and sliding block 14 moves up and down structure by the composition of variable piston 2, using cunning
The design of block 14 and sliding slot 13 effectively limits variable piston 2.
Working principle: when using the axial plunger hydraulic pump stroking mechanism, according to Fig. 1-2, firstly, by the mechanism
Be installed to the inside of axial plunger hydraulic pump, thus carry out using.
During use, in conjunction with shown in Fig. 3-4, by rotating polished rod 5, so that polished rod 5 drives 6 turns of threaded rod
It is dynamic, thus inner rotation of the threaded rod 6 in threaded hole 4, meanwhile, fixing pin 9 effectively limits polished rod 5 by groove 7
Position, and guarantee the normal rotation of polished rod 5, it is moved by screw rod, the effective drive variable piston 2 of threaded rod 6 carries out upper and lower
Mobile, simultaneously, variable piston 2 will drive sliding block 14 in the sliding slot 13 of 12 inside of lower cover during moving up and down
Inside slide up and down, to be limited to variable piston 2, simultaneously, variable piston 2 during moving up and down,
Swash plate 16 can be driven to be rotated by deep gouge 3, so that the tilt angle of swash plate 16 is effectively had adjusted, meanwhile, spring 11
Design, facilitates the reset of variable piston 2, so that a series of activities is completed, the content category being not described in detail in this specification
The prior art well known to professional and technical personnel in the field.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (6)
1. a kind of axial plunger hydraulic pump stroking mechanism, including lower case (1), polished rod (5) and sliding block (14), it is characterised in that:
It is provided with loop bar (8) above the lower case (1), and lower case (1) is internally provided with variable piston (2), and loop bar
(8) it is equipped on the outside of fixing pin (9), the rear surface of the variable piston (2) offers deep gouge (3), and variable piston (2)
Inside offer threaded hole (4), the polished rod (5) is arranged in the inside of loop bar (8), and the outer surface of polished rod (5) offers
Groove (7), and threaded rod (6) are provided with below polished rod (5), spring (11), institute are provided on the outside of the threaded rod (6)
The front screw for stating lower case (1) is equipped with lower cover (12), and the inner surface of lower cover (12) opens up also sliding slot (13), institute
The rear screw for stating lower case (1) is equipped with connection end cap (15), and swash plate (16) are provided in the middle part of connection end cap (15).
2. a kind of axial plunger hydraulic pump stroking mechanism according to claim 1, it is characterised in that: the deep gouge (3) is in
Circular configuration, and the center line of deep gouge (3) and the center line of polished rod (5) are in the same plane, the front end of the swash plate (16)
Inside in deep gouge (3) is set.
3. a kind of axial plunger hydraulic pump stroking mechanism according to claim 1, it is characterised in that: the polished rod (5) with
Threaded rod (6) is integrated, and threaded rod (6) setting is in the inside of threaded hole (4), and the center line of polished rod (5) with
The center line of lower case (1) is mutually perpendicular to, and the top of lower case (1) is in through-hole structure.
4. a kind of axial plunger hydraulic pump stroking mechanism according to claim 1, it is characterised in that: the groove (7) is in
Cirque structure, and groove (7) is internally provided with fixing pin (9), and center of the fixing pin (9) about loop bar (8)
Line is symmetrically arranged with 4, and loop bar (8) and lower case (1) are weldedization structure.
5. a kind of axial plunger hydraulic pump stroking mechanism according to claim 1, it is characterised in that: the spring (11)
Outer diameter is less than the inner width of lower case (1), and the diameter of spring (11) is greater than the diameter of threaded hole (4).
6. a kind of axial plunger hydraulic pump stroking mechanism according to claim 1, it is characterised in that: the sliding block (14) sets
The inside in sliding slot (13) is set, and sliding block (14) is made up of variable piston (2) and moves up and down structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821927291.9U CN209369995U (en) | 2018-11-22 | 2018-11-22 | A kind of axial plunger hydraulic pump stroking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821927291.9U CN209369995U (en) | 2018-11-22 | 2018-11-22 | A kind of axial plunger hydraulic pump stroking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209369995U true CN209369995U (en) | 2019-09-10 |
Family
ID=67833437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821927291.9U Expired - Fee Related CN209369995U (en) | 2018-11-22 | 2018-11-22 | A kind of axial plunger hydraulic pump stroking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209369995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049768A (en) * | 2020-09-11 | 2020-12-08 | 芜湖西南机械有限公司 | High-precision variable axial plunger pump |
-
2018
- 2018-11-22 CN CN201821927291.9U patent/CN209369995U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049768A (en) * | 2020-09-11 | 2020-12-08 | 芜湖西南机械有限公司 | High-precision variable axial plunger pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190910 Termination date: 20201122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |