CN111425378A - Hydraulic pump with capsule type pump liquid mechanism - Google Patents
Hydraulic pump with capsule type pump liquid mechanism Download PDFInfo
- Publication number
- CN111425378A CN111425378A CN202010413472.5A CN202010413472A CN111425378A CN 111425378 A CN111425378 A CN 111425378A CN 202010413472 A CN202010413472 A CN 202010413472A CN 111425378 A CN111425378 A CN 111425378A
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- Prior art keywords
- capsule
- liquid pumping
- cavity
- liquid
- pumping unit
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- 239000002775 capsule Substances 0.000 title claims abstract description 95
- 239000007788 liquid Substances 0.000 title claims abstract description 90
- 230000007246 mechanism Effects 0.000 title claims abstract description 45
- 238000005086 pumping Methods 0.000 claims abstract description 54
- 241000237983 Trochidae Species 0.000 claims abstract description 18
- 238000001125 extrusion Methods 0.000 claims abstract description 14
- 239000012530 fluid Substances 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000007792 addition Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/0009—Special features
- F04B43/0054—Special features particularities of the flexible members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/0009—Special features
- F04B43/0045—Special features with a number of independent working chambers which are actuated successively by one mechanism
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The utility model provides a hydraulic pump with capsule type pump liquid mechanism, top shell, drain pan, sloping cam plate, pump liquid mechanism, the sloping cam plate setting is on the drain pan top surface, and the top shell is installed on the drain pan and is formed the working chamber with the drain pan, and pump liquid mechanism sets up in the working chamber, its characterized in that: the liquid pumping mechanism is a capsule type liquid pumping mechanism, the capsule type liquid pumping mechanism comprises a main shaft, a hydraulic cylinder body, a rotary table, a liquid pumping unit positioning disc and at least one liquid pumping unit, the main shaft penetrates through a bottom shell and a swash plate from bottom to top and is inserted into a working cavity, the liquid pumping unit is arranged on the liquid pumping unit positioning disc, the rotary table, the liquid pumping unit positioning disc and the hydraulic cylinder body are sequentially assembled into a whole from top to bottom and can be installed on the main shaft in a rotating mode along with the main shaft, and the liquid pumping unit comprises an extrusion ball, a piston type push piece and a telescopic multi-cavity capsule. The invention greatly simplifies the structure of the liquid pumping mechanism, and each part is easier to manufacture, the assembly difficulty is reduced, the precision requirement is greatly reduced, and the production and maintenance cost is effectively reduced.
Description
Technical Field
The present invention relates to a hydraulic pump, and more particularly, to a hydraulic pump having a capsule type pumping mechanism capable of bi-directionally pumping fluid.
Background
The swash plate type axial plunger pump is a hydraulic power element which is most widely applied and has the largest market holding amount in the hydraulic industry at present, has the advantages of high power density, multiple control modes, high variable response speed, capability of realizing bidirectional variable and multi-pump serial connection and the like, and is a core product in the hydraulic element industry.
For example, chinese patent publication No. CN108131266A, entitled "fluid pump", discloses a fluid pump, namely, a swash plate type axial plunger pump, which includes: a housing having a driving space formed therein; a swash plate located in the driving space of the housing, maintained in a fixed state, and having an inclined surface; a cylinder block which is positioned in the drive space, rotates by a drive shaft, and has a plurality of cylinder bores extending in the same direction as the drive shaft; a plurality of piston assemblies, at least a part of which is inserted into a cylinder bore of a cylinder block and linearly moves inside the cylinder bore while rotating with the cylinder block, and one end of which has a ball joint; and a disc-shaped retainer coupled to the swash plate to maintain a state of being in close contact with the inclined surface, the retainer being rotatable independently of the swash plate, the ball joint to which the piston assembly is coupled being rotated together with the piston assembly in a state of being in close contact with the inclined surface of the swash plate.
However, the applicant has found that, in both the conventional swash plate type axial plunger pump and the fluid pump with the improved structure, the pump fluid mechanism adopts the axial plunger type pump fluid mechanism, the structure is complex, and the connection and the matching between the parts need to be precise, so that the precision requirements of the parts of the pump fluid mechanism are high, the difficulty in manufacturing and assembling the finished product is difficult to reduce, and the production and maintenance costs are high.
Disclosure of Invention
The invention aims to provide a hydraulic pump with a capsule type liquid pumping mechanism, which can effectively simplify the structure of the liquid pumping mechanism. The technical scheme is as follows:
the utility model provides a hydraulic pump with capsule type pump liquid mechanism, top shell, drain pan, sloping cam plate, pump liquid mechanism, the sloping cam plate setting is on the drain pan top surface, and the top shell is installed on the drain pan and is formed the working chamber with the drain pan, and pump liquid mechanism sets up in the working chamber, its characterized in that: the liquid pumping mechanism is a capsule type liquid pumping mechanism, the capsule type liquid pumping mechanism comprises a main shaft, a hydraulic cylinder body, a rotary table, a liquid pumping unit positioning disc and at least one liquid pumping unit, the main shaft penetrates through a bottom shell and a swash plate from bottom to top and is inserted into a working cavity, the liquid pumping unit is arranged on the liquid pumping unit positioning disc, the rotary table, the liquid pumping unit positioning disc and the hydraulic cylinder body are sequentially assembled into a whole from top to bottom and can be rotatably installed on the main shaft along with the main shaft, the liquid pumping unit comprises an extrusion ball, a piston type push sheet and a telescopic multi-cavity capsule, the telescopic multi-cavity capsule is arranged on the liquid pumping unit positioning disc, the top end of the telescopic multi-cavity capsule is provided with a top end opening, the bottom end of the telescopic multi-cavity capsule is provided with a bottom end opening, the hydraulic cylinder body is provided with at least one axial positioning multi-cavity sleeve, the axial positioning sleeves and the telescopic, the piston type push piece and the extrusion ball are sequentially arranged in the axial positioning sleeve in a sliding manner, the lower end of the extrusion ball props against the top surface of the swash plate and can roll along the top surface of the swash plate, and the upper end of the extrusion ball props against the piston type push piece and presses the piston type push piece to the bottom opening of the telescopic multi-cavity capsule. The main shaft drives the carousel, the hydraulic cylinder body, the pump liquid unit on pump liquid unit positioning disc and the pump liquid unit positioning disc rotates, the ball that extrudees rolls at sloping cam plate top surface, the sloping cam plate top surface that contacts with the ball that extrudees highly constantly risees, the ball that extrudees just risees towards the top along the axial of main shaft, force piston type push jack upwards to extrude scalable multicavity capsule, make the inside space of scalable multicavity capsule reduce, make the liquid in the scalable multicavity capsule extrude through scalable multicavity capsule top opening. Otherwise, the height of the top surface of the swash plate is continuously reduced, the space inside the telescopic multi-cavity capsule is increased, and the telescopic multi-cavity capsule absorbs liquid inwards through the top end opening of the telescopic multi-cavity capsule.
In a preferred scheme, the telescopic multi-cavity capsule is formed by sequentially connecting a plurality of annular capsule components. When the force is applied (axially), the multi-section annular capsule assembly deforms and contracts, so that the volume in the telescopic multi-cavity capsule is reduced, and the liquid in the telescopic multi-cavity capsule can be extruded out from the upper end opening.
In a more preferable scheme, the volume of the multi-section annular capsule assembly is sequentially decreased from top to bottom. That is, the volume of the uppermost annular capsule component is the largest, the volumes of the annular capsule components are decreased progressively from top to bottom, and the volume of the lowermost annular capsule component is the smallest. The flexible multi-chambered bladder is preferably made of a resilient material, such as rubber.
The top shell is provided with two liquid inlet and outlet pipes, the top surface of the inner cavity of the top shell is provided with two confluence grooves, and the bottom ends of the two liquid inlet and outlet pipes are respectively communicated with the two confluence grooves. Liquid enters a confluence groove from a liquid inlet and outlet pipe and then enters at least one telescopic multi-cavity capsule in a stretching state through a turntable below the confluence groove; and the liquid in at least one telescopic multi-cavity capsule in the contraction state enters another confluence groove through the rotary disc and then flows out from the liquid inlet and outlet pipe corresponding to the confluence groove.
Preferably, the rotary table is provided with at least one connecting unit, the connecting units and the telescopic multi-cavity capsules are the same in number and correspond to one another one by one, each connecting unit comprises a lower connecting groove formed in the bottom surface of the rotary table and an arc-shaped upper connecting hole formed in the top surface of the rotary table, the arc-shaped upper connecting holes are communicated with the lower connecting groove, the arc-shaped upper connecting holes are communicated with a confluence groove of the top shell, and the lower connecting groove is communicated with an opening in the top end of the telescopic multi-cavity capsule.
In a more preferable embodiment, the movement locus of the arc-shaped upper engagement hole is located under the two confluence grooves, and when the arc-shaped upper engagement hole moves under the confluence grooves, the projections of the arc-shaped upper engagement hole and the confluence grooves in the axial direction are overlapped. Preferably, the projections of the two overlap completely. With such a structure, the liquid flow is facilitated.
In a more preferable scheme, the mutually communicated lower connecting grooves and the top end opening of the telescopic multi-cavity capsule are overlapped in projection in the axial direction. Preferably, the projections of the two are completely coincident. With such a structure, the liquid flow is facilitated.
In a preferred scheme, the extrusion ball is a steel ball. The steel ball can roll for a long time and is not easy to wear, and the requirement of actual use can be met.
In a preferred scheme, a bearing is arranged between the main shaft and the swash plate. Therefore, the main shaft is convenient to rotate, and the main shaft is prevented from being abraded too fast due to rotation.
In a preferred scheme, a first sealing ring is sleeved on the main shaft and arranged between the bearing and the bottom shell. Thus, leakage of the liquid can be prevented.
In a preferred scheme, a second sealing ring is arranged at the joint of the bottom shell and the top shell. Thus, leakage of the liquid can be prevented.
Compared with the prior art, the invention has the advantages that the capsule type liquid pumping mechanism is adopted to replace the axial plunger type liquid pumping mechanism, so the structure of the liquid pumping mechanism is greatly simplified, the parts are easier to manufacture, the assembly difficulty is reduced, the precision requirement is greatly reduced, and the production and maintenance cost is effectively reduced.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is a schematic view of another angle configuration of the preferred embodiment shown in FIG. 1;
FIG. 3 is an exploded view of the preferred embodiment shown in FIG. 1;
FIG. 4 is a cross-sectional view of the preferred embodiment shown in FIG. 1;
FIG. 5 is a schematic view of the swash plate and the bottom case of the preferred embodiment shown in FIG. 1;
FIG. 6 is a schematic view of the preferred embodiment of the pump unit puck and six collapsible, multi-chamber capsules shown in FIG. 1;
FIG. 7 is a schematic view of another angular configuration of the positioning plate of the pumping unit and six collapsible multi-chamber capsules of the preferred embodiment of FIG. 1;
FIG. 8 is a schematic structural view of the preferred embodiment turntable shown in FIG. 1;
FIG. 9 is a schematic view of another angle configuration of the preferred embodiment turntable shown in FIG. 1;
fig. 10 is a schematic bottom view of the preferred embodiment top shell shown in fig. 1.
Detailed Description
As shown in fig. 1 to 10, the hydraulic pump with a capsule type pump mechanism in the preferred embodiment includes a top casing 1, a pump mechanism 2, a swash plate 3, and a bottom casing 4, wherein the swash plate 3 is disposed on the top surface of the bottom casing 4 (the swash plate and the bottom casing 4 are integrally formed in this embodiment), the top casing 1 is mounted on the bottom casing 4 and forms a working chamber with the bottom casing 4, and the pump mechanism 2 is disposed in the working chamber.
The liquid pumping mechanism 2 is a capsule type liquid pumping mechanism, the capsule type liquid pumping mechanism comprises a main shaft 201, a hydraulic cylinder 202, a rotary table 203, a liquid pumping unit positioning disc 204 and six liquid pumping units 205, the main shaft 201 penetrates through the bottom shell 4 and the swash plate 3 from bottom to top and is inserted into the working cavity, the liquid pumping units 205 are arranged on the liquid pumping unit positioning disc 204, and the rotary table 203, the liquid pumping unit positioning disc 204 with the six liquid pumping units 205 and the hydraulic cylinder 202 are sequentially assembled into a whole from top to bottom and can be installed on the main shaft 201 in a rotating mode along with the main shaft 201.
The pumping unit 205 includes a squeeze bulb 2051, a piston-type pusher 2052 and a retractable multi-chambered capsule 2053, a collapsible multi-chamber capsule 2053 is provided on the pumping unit positioning plate 204 (the pumping unit positioning plate 204 is integrally formed with the collapsible multi-chamber capsules 2053 of six pumping units 205), the top end of the telescopic multi-cavity capsule 2053 is provided with a top end opening 20531, the bottom end of the telescopic multi-cavity capsule 2053 is provided with a bottom end opening 20532, the hydraulic cylinder body 202 is provided with six axial positioning sleeves 2021, the number of the axial positioning sleeves 2021 is the same as that of the telescopic multi-cavity capsule 2053, the axial positioning sleeves 2021 correspond to that of the telescopic multi-cavity capsule 2053 one by one, each telescopic multi-cavity capsule 2053 extends into the corresponding axial positioning sleeve 2021 from top to bottom, the piston type push sheet 2052 and the extrusion ball 2051 are sequentially and slidably arranged in the axial positioning sleeve 2021, the lower end of the extrusion ball 2051 props against the top surface of the swash plate 3 and can roll along the top surface of the swash plate 3, and the upper end of the extrusion ball.
The retractable multi-chambered capsule 2053 is formed by sequentially connecting three annular capsule components 20531. When subjected to a force (axially), the multi-stage annular capsule assembly 20531 deforms and contracts to reduce the volume within the multi-chamber collapsible capsule 2053, thereby forcing the liquid within the multi-chamber collapsible capsule 2053 out of the upper end opening.
The volume of the three-section annular capsule assembly 20531 decreases from top to bottom. That is, the uppermost annular capsule assembly 20531 has the largest volume, and from top to bottom, each annular capsule assembly 20531 has a decreasing volume, and the lowermost annular capsule assembly 20531 has the smallest volume. The retractable multi-chamber capsule 2053 is made of an elastic material rubber.
The top shell 1 is provided with two liquid inlet and outlet pipes 101, two confluence grooves 102 are formed in the top surface of the inner cavity of the top shell 1, and the bottom ends of the two liquid inlet and outlet pipes 101 are respectively communicated with the two confluence grooves 102. Liquid enters a confluence groove 102 from a liquid inlet and outlet pipe 101 and then enters a plurality of telescopic multi-cavity capsules 2053 in an expansion state through a turntable 203 below the confluence groove 102; the liquid in the plurality of retractable multi-cavity capsules 2053 in the retracted state enters another confluence groove 102 through the rotary disc 203 and then flows out from the corresponding liquid inlet and outlet pipe 101 of the confluence groove 102.
The rotary table 203 is provided with six engaging units 2031, the engaging units 2031 are the same in number and correspond to the telescopic multi-cavity capsules 2053 one by one, each engaging unit 2031 comprises a lower engaging groove 20311 formed on the bottom surface of the rotary table 203 and an arc-shaped upper engaging hole 20312 formed on the top surface of the rotary table 203, the arc-shaped upper engaging hole 20312 is communicated with the lower engaging groove 20311, the arc-shaped upper engaging hole 20312 is communicated with a converging groove 102 of the top case 1, and the lower engaging groove 20311 is communicated with a top opening 20531 of one telescopic multi-cavity capsule 2053.
The movement locus of the arc-shaped upper engagement hole 20312 is located right below the two bus grooves 102, and when the arc-shaped upper engagement hole 20312 moves right below the bus grooves 102, the projections of the arc-shaped upper engagement hole 20312 and the bus grooves 102 in the axial direction completely overlap. With such a structure, the liquid flow is facilitated.
The axial projections of the communicating lower engagement grooves 20311 and the top opening 20531 of the multi-chamber retractable capsule 2053 are completely coincident. With such a structure, the liquid flow is facilitated.
The squeeze balls 2051 are steel balls. The steel ball can roll for a long time and is not easy to wear, and the requirement of actual use can be met.
A bearing 5 is arranged between the main shaft 201 and the swash plate 3. This facilitates the rotation of the spindle 201 and avoids the spindle 201 from wearing out too quickly due to the rotation.
The main shaft 201 is sleeved with a first sealing ring 6, and the first sealing ring 6 is arranged between the bearing and the bottom shell 4. Thus, leakage of the liquid can be prevented.
And a second sealing ring 7 is arranged at the joint of the bottom shell 4 and the top shell 1. Thus, leakage of the liquid can be prevented.
The following operation is described with reference to fig. 1-10:
the main shaft 201 rotates to drive the rotary table 203, the hydraulic cylinder block 202, the liquid pumping unit positioning disc 204 and the liquid pumping unit 205 on the liquid pumping unit positioning disc 204 to rotate, the squeeze ball 2051 rolls on the top surface of the swash plate 3, the height of the top surface of the swash plate 3 contacted with the squeeze ball 2051 is continuously raised (the section is a raised liquid discharge area), the squeeze ball 2051 is raised upwards along the axial direction of the main shaft 201, the piston type push sheet 2052 is forced to upwards squeeze the telescopic multi-cavity capsule 2053, the space inside the telescopic multi-cavity capsule 2053 is reduced, and liquid in the telescopic multi-cavity capsule 2053 is extruded through an opening 20531 at the top end of the telescopic multi-cavity capsule 2053. Conversely, as the height of the upper surface of the swash plate 3 is lowered (this region is the lowered suction region), the space inside the multi-chamber retractable capsule 2053 is increased, and the multi-chamber retractable capsule 2053 sucks liquid inward through the top end opening 20531 thereof.
In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and the equivalent or simple change of the structure, the characteristics and the principle described in the present patent idea is included in the protection scope of the present patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (10)
1. The utility model provides a hydraulic pump with capsule type pump liquid mechanism, top shell, drain pan, sloping cam plate, pump liquid mechanism, the sloping cam plate setting is on the drain pan top surface, and the top shell is installed on the drain pan and is formed the working chamber with the drain pan, and pump liquid mechanism sets up in the working chamber, its characterized in that: the liquid pumping mechanism is a capsule type liquid pumping mechanism, the capsule type liquid pumping mechanism comprises a main shaft, a hydraulic cylinder body, a rotary table, a liquid pumping unit positioning disc and at least one liquid pumping unit, the main shaft penetrates through a bottom shell and a swash plate from bottom to top and is inserted into a working cavity, the liquid pumping unit is arranged on the liquid pumping unit positioning disc, the rotary table, the liquid pumping unit positioning disc and the hydraulic cylinder body are sequentially assembled into a whole from top to bottom and can be rotatably installed on the main shaft along with the main shaft, the liquid pumping unit comprises an extrusion ball, a piston type push sheet and a telescopic multi-cavity capsule, the telescopic multi-cavity capsule is arranged on the liquid pumping unit positioning disc, the top end of the telescopic multi-cavity capsule is provided with a top end opening, the bottom end of the telescopic multi-cavity capsule is provided with a bottom end opening, the hydraulic cylinder body is provided with at least one axial positioning multi-cavity sleeve, the axial positioning sleeves and the telescopic, the piston type push piece and the extrusion ball are sequentially arranged in the axial positioning sleeve in a sliding manner, the lower end of the extrusion ball props against the top surface of the swash plate and can roll along the top surface of the swash plate, and the upper end of the extrusion ball props against the piston type push piece and presses the piston type push piece to the bottom opening of the telescopic multi-cavity capsule.
2. The hydraulic pump having a capsule type pump fluid mechanism as claimed in claim 1, wherein: the telescopic multi-cavity capsule is formed by sequentially connecting a plurality of sections of annular capsule components.
3. The hydraulic pump having a capsule type pump fluid mechanism as claimed in claim 2, wherein: the volume of the multi-section annular capsule component is decreased gradually from top to bottom.
4. The hydraulic pump having a capsule type pump fluid mechanism as claimed in claim 1, wherein: the top shell is provided with two liquid inlet and outlet pipes, the top surface of the inner cavity of the top shell is provided with two confluence grooves, and the bottom ends of the two liquid inlet and outlet pipes are respectively communicated with the two confluence grooves.
5. The hydraulic pump having a capsule type pump fluid mechanism as claimed in claim 4, wherein: the rotary table is provided with at least one connecting unit, the connecting unit and the telescopic multi-cavity capsules are the same in number and correspond to each other one by one, the connecting unit comprises a lower connecting groove formed in the bottom surface of the rotary table and an arc-shaped upper connecting hole formed in the top surface of the rotary table, the arc-shaped upper connecting hole is communicated with the lower connecting groove, the arc-shaped upper connecting hole is communicated with a converging groove of the top shell, and the lower connecting groove is communicated with an opening in the top end of the telescopic multi-cavity capsule.
6. The hydraulic pump having a capsule type pump fluid mechanism as claimed in claim 5, wherein: the movement track of the arc-shaped upper engagement hole is located under the two confluence grooves, and when the arc-shaped upper engagement hole moves under the confluence grooves, the projections of the arc-shaped upper engagement hole and the confluence grooves in the axial direction are overlapped.
7. The hydraulic pump having a capsule type pump fluid mechanism as claimed in claim 6, wherein: the mutually communicated lower connecting grooves and the top end opening of the telescopic multi-cavity capsule are overlapped in the axial projection.
8. The hydraulic pump having a capsule type pump fluid mechanism as claimed in claim 1, wherein: the extrusion ball is a steel ball.
9. The hydraulic pump having a capsule type pump fluid mechanism as claimed in claim 1, wherein: and a bearing is arranged between the main shaft and the swash plate.
10. The hydraulic pump having a capsule type pump fluid mechanism as claimed in claim 9, wherein: the main shaft is sleeved with a first sealing ring which is arranged between the bearing and the bottom shell; and a second sealing ring is arranged at the joint of the bottom shell and the top shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010413472.5A CN111425378A (en) | 2020-05-15 | 2020-05-15 | Hydraulic pump with capsule type pump liquid mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010413472.5A CN111425378A (en) | 2020-05-15 | 2020-05-15 | Hydraulic pump with capsule type pump liquid mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111425378A true CN111425378A (en) | 2020-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010413472.5A Pending CN111425378A (en) | 2020-05-15 | 2020-05-15 | Hydraulic pump with capsule type pump liquid mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111425378A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101153589A (en) * | 2006-09-27 | 2008-04-02 | 徐兆火 | Method and construction for preventing water leakage in diaphragm type compression pump |
| CN102828937A (en) * | 2011-06-15 | 2012-12-19 | 多田塑料工业株式会社 | Diaphragm pump for fluid |
| CN103991397A (en) * | 2013-02-20 | 2014-08-20 | 舒克拉机械制造有限公司 | Adjusting device for a vehicle component |
| CN108386347A (en) * | 2017-02-03 | 2018-08-10 | 应研精工株式会社 | Pump with motor |
| CN207830083U (en) * | 2017-11-29 | 2018-09-07 | 厦门科际精密器材有限公司 | Diaphragm pump |
| CN212406990U (en) * | 2020-05-15 | 2021-01-26 | 杨敦钿 | Hydraulic pump with capsule type pump liquid mechanism |
-
2020
- 2020-05-15 CN CN202010413472.5A patent/CN111425378A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101153589A (en) * | 2006-09-27 | 2008-04-02 | 徐兆火 | Method and construction for preventing water leakage in diaphragm type compression pump |
| CN102828937A (en) * | 2011-06-15 | 2012-12-19 | 多田塑料工业株式会社 | Diaphragm pump for fluid |
| CN103991397A (en) * | 2013-02-20 | 2014-08-20 | 舒克拉机械制造有限公司 | Adjusting device for a vehicle component |
| CN108386347A (en) * | 2017-02-03 | 2018-08-10 | 应研精工株式会社 | Pump with motor |
| CN207830083U (en) * | 2017-11-29 | 2018-09-07 | 厦门科际精密器材有限公司 | Diaphragm pump |
| CN212406990U (en) * | 2020-05-15 | 2021-01-26 | 杨敦钿 | Hydraulic pump with capsule type pump liquid mechanism |
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