CN108150373B - A kind of Highgrade integration rear cover structure of closed type hydraulic pump - Google Patents
A kind of Highgrade integration rear cover structure of closed type hydraulic pump Download PDFInfo
- Publication number
- CN108150373B CN108150373B CN201711408109.9A CN201711408109A CN108150373B CN 108150373 B CN108150373 B CN 108150373B CN 201711408109 A CN201711408109 A CN 201711408109A CN 108150373 B CN108150373 B CN 108150373B
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- CN
- China
- Prior art keywords
- rear cover
- commutation
- steel ball
- hydraulic pump
- closed type
- 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.)
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Classifications
-
- 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
- F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/122—Details or component parts, e.g. valves, sealings or lubrication means
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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
- 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
- F04B53/10—Valves; Arrangement of valves
- F04B53/1002—Ball valves
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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
- 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)
- Safety Valves (AREA)
Abstract
The present invention provides a kind of Highgrade integration rear cover structures of closed type hydraulic pump, comprising: shell；Rear cover, it is connected with shell, a reversal valve is integrated in rear cover, for the reversal valve by the pressure oil control direction that pumps and for realizing the conversion pumped between different hydraulic fluid port high-low pressures, the reversal valve includes the spool that can be moved left and right under high pressure oil effect and the resetting structure for resetting after spool movement；Safety valve is integrally disposed in rear cover, and when pumping high pressure oil port hypertonia, the safety valve is opened and high pressure oil is imported shell.The Highgrade integration rear cover structure of this closed type hydraulic pump has the advantages that compact layout, provides reliably protecting for integral pump.
Description
Technical field
The invention belongs to manual enclosed pump technical fields, are related to a kind of Highgrade integration rear cover structure of closed type hydraulic pump.
Background technique
The present invention designs a kind of Highgrade integration rear cover structure of closed type hydraulic pump, by this novel high it is integrated after
Lid improves the flow mode of such enclosed manual pump, optimizes its structure, and can provide strong protection function for whole pump
Energy.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, a kind of compact layout is proposed, for integral pump
The Highgrade integration rear cover structure of the closed type hydraulic pump of reliably protecting is provided.
Object of the invention can be realized by the following technical scheme: a kind of Highgrade integration rear cover knot of closed type hydraulic pump
Structure, comprising:
Shell；
Rear cover is connected with shell, is integrated with a reversal valve in rear cover, and the reversal valve is by the pressure oil controlling party that pumps
To and for realizing conversion between the different hydraulic fluid port high-low pressures of pump, the reversal valve, which is included under high pressure oil effect, can control shifting
Dynamic spool and the resetting structure for being resetted after spool movement；
Safety valve is integrally disposed in rear cover, and when pumping high pressure oil port hypertonia, the safety valve is opened and by high pressure
Oil imports shell.
As a further improvement of the present invention, the reversal valve further includes two commutation groups for being symmetrically divided to column spool two sides
Part, the commutation steel ball that the commutation component includes and spool connects and the reversal valve being arranged between commutation steel ball and spool
Seat, the commutation valve seat tight seal are mounted in rear cover, and the resetting structure is and two commutation steel balls one-to-one two
A commutation reset spring, the commutation reset spring are arranged in corresponding commutation rear position of the steel ball far from spool and for resetting
Commutate steel ball.
As a further improvement of the present invention, the commutation reset spring is connected by commutation spring base and corresponding steel ball
It connects, the steel ball part is caught in corresponding commutation spring base.
As a further improvement of the present invention, the safety valve includes the safety spring being sequentially distributed, safe steel ball, safety
Valve seat, described safety spring one end and safe steel ball offset, and the other end and rear cover correspond to inner wall position and offset, the safe steel ball
Part is caught in emergency valve seat.
As a further improvement of the present invention, the safety spring is docked by safety spring seat and safe steel ball, institute
It states safety spring to be set in outside safety spring seat, the safe steel ball part is caught in the middle part of corresponding safety spring seat.
As a further improvement of the present invention, the link position of the emergency valve seat outer wall and rear cover inner wall is provided with O
Type circle.
Based on the above-mentioned technical proposal, the embodiment of the present invention at least can produce following technical effect: this closed type hydraulic pump
Highgrade integration rear cover structure is suitable for manual enclosed and pumps, and integral structure layout is compact, provides reliable guarantor for integral pump
Shield, specifically, being integrated with a reversal valve in the rear cover, which controls direction by pressure oil, to realize different oil
Conversion between mouth high-low pressure；Meanwhile in rear cover, it is also integrated with a safety valve, in high pressure oil port hypertonia, the peace
Full valve will be opened, so that high pressure oil be imported in shell, effectively prevent the pump since super-pressure or compression shock cause
Damage；The integrated height of Highgrade integration rear cover structure for the closed type hydraulic pump that the present invention designs is high by reversal valve and safety valve
Degree is integrated in rear cover, and functional diversities and control mode intelligence provide reliable protection for whole pump, improves the use of whole pump
Service life.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing, in which:
Fig. 1 is the structural schematic diagram of a preferred embodiment of the present invention.
Fig. 2 is the structural schematic diagram at another visual angle of a preferred embodiment of the present invention.
In figure, 30, rear cover；40, reversal valve；41, spool；42, commutate steel ball；43, commutate valve seat；44, commutation resets bullet
Spring；45, commutate spring base；50, safety valve；51, safety spring；52, safe steel ball；53, emergency valve seat；54, safety spring seat；
55, O-ring.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Technical solution provided by the invention is illustrated in more detail below with reference to Fig. 1 to Fig. 2.
As shown in Figure 1 to Figure 2, the Highgrade integration rear cover structure of this closed type hydraulic pump includes:
Shell (not shown)；
Rear cover 30 is connected with shell, is integrated with a reversal valve 40 in rear cover 30, and the reversal valve 40 is by the pressure that pumps
Oil controls direction and for realizing the conversion pumped between different hydraulic fluid port high-low pressures, and the reversal valve 40 is included under high pressure oil effect
The spool 41 that can be moved left and right and the resetting structure for being resetted after the movement of spool 41；
Safety valve 50 is integrally disposed in rear cover 30, and when pumping high pressure oil port hypertonia, the safety valve 50 is opened simultaneously
High pressure oil is imported into shell.
The present invention protects a kind of Highgrade integration rear cover structure of closed type hydraulic pump, is suitable for manual enclosed and pumps, whole to tie
Structure compact layout provides reliable protection for integral pump, specifically, as shown in Figure 1, being integrated with one in the rear cover 30
Reversal valve 40, the reversal valve 40 control direction by pressure oil, to realize the conversion between different hydraulic fluid port high-low pressures；Simultaneously as schemed
Shown in 2, in rear cover 30, it is also integrated with a safety valve 50, in high pressure oil port hypertonia, which will be beaten
It opens, so that high pressure oil be imported in shell, effectively prevents pump damage as caused by super-pressure or compression shock；This hair
The integrated height of Highgrade integration rear cover structure of the closed type hydraulic pump of bright design, by reversal valve 40 and safety valve 50 it is highly integrated in
In rear cover 30, functional diversities and control mode intelligence provide reliable protection for whole pump, improve the service life of whole pump.
Further, to make over all Integration better effect, guarantee the reliability of work, preferably reversal valve 40 further includes
Symmetrically be divided to two commutation components of 41 two sides of column spool, the commutation component include the commutation steel ball 42 to connect with spool 41 and
Commutation valve seat 43 between commutation steel ball 42 and spool 41 is set, and 43 tight seal of commutation valve seat is mounted on rear cover 30
Interior, the resetting structure is and two commutation steel balls, 42 one-to-one two commutation reset springs 44, the commutation reset bullet
Spring 44 is arranged in corresponding commutation rear position of the steel ball 42 far from spool 41 and for resetting commutation steel ball 42.
41 both ends of spool have relatively narrow contact rod structure, and contact rod structure passes through commutation valve seat 43 and can commutate with corresponding
Steel ball 42 contacts；When work, spool 41 under the action of high pressure oil, can be moved left and right, and in commutation reset spring 44
Middle position is returned under effect.
And, it is worth mentioning at this point that: burr is gone completely with the position that contacts of commutation steel ball 42, and with press and commutation
Steel ball 42 is pressed chamfering is mating.
Further, it is the reliability for guaranteeing connection, steel ball is avoided to slip, guarantees limit effect and spring restoring force
Transmitting, preferably commutation reset spring 44 are connected by commutation spring base 45 with corresponding steel ball, and the steel ball part is caught in correspondence and changes
Into spring base 45.
To effectively prevent integral pump damage as caused by super-pressure or compression shock, it is preferable that safety valve 50 include according to
Safety spring 51, safe steel ball 52, the emergency valve seat 53 of secondary distribution, described 51 one end of safety spring and safe steel ball 52 offset,
The other end and the corresponding inner wall position of rear cover 30 offset, and safe 52 part of steel ball is caught in emergency valve seat 53, and all parts connect
Connect close, reliable operation.
It further, is the compactness for guaranteeing steel-ball limiting effect and connection, safety spring 51 passes through safety spring seat 54
It is docked with safe steel ball 52, the safety spring 51 is set in outside safety spring seat 54, and safe 52 part of steel ball is caught in pair
Answer 54 middle part of safety spring seat.
For the reliability for guaranteeing work, the link position of 30 inner wall of 53 outer wall of emergency valve seat and rear cover is provided with O-ring 55.
In addition, the position contacted with safe steel ball 52 is also intended to burr to go completely in safety valve 50, and with press and
Safe steel ball 52 is pressed chamfering is mating.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (6)
1. a kind of Highgrade integration rear cover structure of closed type hydraulic pump, comprising:
Shell；
Rear cover is connected with shell, it is characterised in that: is integrated with a reversal valve in rear cover, the reversal valve is by the pressure that pumps
Oil controls direction and for realizing the conversion pumped between different hydraulic fluid port high-low pressures, and the reversal valve is included in can under high pressure oil effect
With the spool moved left and right and the resetting structure for being resetted after spool movement；
Safety valve is integrally disposed in rear cover, and when pumping high pressure oil port hypertonia, the safety valve is opened and leads high pressure oil
Enter shell.
2. a kind of Highgrade integration rear cover structure of closed type hydraulic pump according to claim 1, it is characterised in that: described to change
It further include two commutation components for being symmetrically divided to column spool two sides to valve, the commutation component includes the commutation steel ball to connect with spool
And the commutation valve seat between commutation steel ball and spool is set, the commutation valve seat tight seal is mounted in rear cover, described
Resetting structure is and the one-to-one two commutations reset spring of two commutation steel balls, the commutation reset spring are arranged in correspondence
Commutation rear position of the steel ball far from spool is simultaneously used to reset commutation steel ball.
3. a kind of Highgrade integration rear cover structure of closed type hydraulic pump according to claim 2, it is characterised in that: described to change
It is connected to reset spring by commutation spring base with corresponding steel ball, the steel ball part is caught in corresponding commutation spring base.
4. a kind of Highgrade integration rear cover structure of closed type hydraulic pump according to claim 1 or 2 or 3, it is characterised in that:
The safety valve includes the safety spring being sequentially distributed, safe steel ball, emergency valve seat, described safety spring one end and safe steel ball
It offsets, the other end and rear cover correspond to inner wall position and offset, and the safe steel ball part is caught in emergency valve seat.
5. a kind of Highgrade integration rear cover structure of closed type hydraulic pump according to claim 4, it is characterised in that: the peace
Full spring is docked by safety spring seat and safe steel ball, and the safety spring is set in outside safety spring seat, the safe steel
Ball portion is caught in the middle part of corresponding safety spring seat.
6. a kind of Highgrade integration rear cover structure of closed type hydraulic pump according to claim 4, it is characterised in that: the peace
The link position of full valve seat outer wall and rear cover inner wall is provided with O-ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711408109.9A CN108150373B (en) | 2017-12-22 | 2017-12-22 | A kind of Highgrade integration rear cover structure of closed type hydraulic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711408109.9A CN108150373B (en) | 2017-12-22 | 2017-12-22 | A kind of Highgrade integration rear cover structure of closed type hydraulic pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108150373A CN108150373A (en) | 2018-06-12 |
| CN108150373B true CN108150373B (en) | 2019-06-07 |
Family
ID=62464407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711408109.9A Active CN108150373B (en) | 2017-12-22 | 2017-12-22 | A kind of Highgrade integration rear cover structure of closed type hydraulic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108150373B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19732818A1 (en) * | 1997-07-30 | 1999-02-04 | Bosch Gmbh Robert | Piston pump |
| CN202001416U (en) * | 2011-02-28 | 2011-10-05 | 北京工业大学 | Integrated water hydraulic distribution valve |
| CN102817827B (en) * | 2012-02-06 | 2016-02-17 | 上海中欧汽车电器有限公司 | Selector valve and install the hydraulic hand-pump of this selector valve |
| US10774628B2 (en) * | 2014-10-10 | 2020-09-15 | Weatherford Technology Holdings, Llc | Hydraulically actuated downhole pump with traveling valve |
| CN205190193U (en) * | 2015-11-12 | 2016-04-27 | 合肥高益机电科技有限公司 | Back lid of hydraulic pump |
| CN205298107U (en) * | 2015-12-29 | 2016-06-08 | 大同煤矿集团有限责任公司 | Sector gate closed hydraulic drive system |
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2017
- 2017-12-22 CN CN201711408109.9A patent/CN108150373B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108150373A (en) | 2018-06-12 |
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