CN206972991U - A kind of hydraulic control one-way valve - Google Patents
A kind of hydraulic control one-way valve Download PDFInfo
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- CN206972991U CN206972991U CN201720709998.1U CN201720709998U CN206972991U CN 206972991 U CN206972991 U CN 206972991U CN 201720709998 U CN201720709998 U CN 201720709998U CN 206972991 U CN206972991 U CN 206972991U
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Abstract
The utility model discloses a kind of hydraulic control one-way valve, is related to HYDRAULIC CONTROL SYSTEM Element Technology field.It includes valve body, and valve opening, control port, oil inlet and oil-out are offered on valve body, and control valve element, main one-way valve seat and main inner elements of check valve are sequentially installed with valve opening；The outer wall of main inner elements of check valve is provided with the conical surface, and main one-way valve seat is provided with primary valve, and the conical surface is resisted against on primary valve；The inner chamber of main inner elements of check valve is provided with steel ball and steel ball and spring, and steel ball is resisted against in the pre- unloader valve port of inner chamber, and the side wall of inner chamber offers throttling pore, for being connected with oil-out；It is step column structure to control valve element, including leading portion, stage casing and back segment, and leading portion drives steel ball for top, and the step in stage casing is used to push up the end for opening main inner elements of check valve.Above-mentioned hydraulic control one-way valve uses two-stage release mode, and first passing through throttling pore steadily slowly reduces oil-out pressure, then opens primary valve off-load completely, effectively reduces oil return impact, improves the service life of valve.
Description
Technical field
It the utility model is related to HYDRAULIC CONTROL SYSTEM Element Technology field, more particularly to a kind of liquid for delaying unloading functions with pressure
Control check valve.
Background technology
In Superhigh Pressure Hydraulic System, hydraulic control one-way valve is commonly used for pressurize element and used installed in in-line, in use
When executive component wants oil return from former oil inlet, need control port to provide pressure oil and promote valve rod to open inner elements of check valve, so as to
Oil inlet is formed into way to cycle oil to realize with oil-out.Because the opening time of check valve valve port is very short, moment can discharge
Pressure in executive component.In building is tested, there are many multistage loadings and the application unloaded step by step, for example pile foundation settlement is surveyed
Examination, pile foundation self-balanced pile test etc. need to accomplish controllable unloading step by step in pressure releasing process, currently without simple and effective
Solution method.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model be to provide one kind can be slowly in steady removal executive component
The hydraulic control one-way valve of pressure.
To use following technical scheme up to this purpose, the utility model：
A kind of hydraulic control one-way valve, including valve body, valve opening, control port, oil inlet and oil-out are offered on the valve body,
Control valve element, main one-way valve seat, main inner elements of check valve and end part plug are sequentially installed with the valve opening；The main check valve
The outer wall of valve element is provided with the conical surface, and the main one-way valve seat is provided with primary valve, and the conical surface is resisted against on primary valve, is used for
Separate oil inlet and oil-out；The inner chamber of the main inner elements of check valve is provided with steel ball, steel ball and spring and main valve plug plug, described
Steel ball is resisted against in the presence of steel ball and spring in the pre- unloader valve port of inner chamber, and the side wall of the inner chamber offers throttling pore,
For being connected with oil-out；Described to control valve element be step column structure, including leading portion, stage casing and back segment, the leading portion
Steel ball is driven for pushing up, the step in the stage casing is used to push up the end for opening main inner elements of check valve, and the back segment is used for control port
Separated with oil inlet.
Preferably, the one end of the inner chamber away from pre- unloader valve port is provided with main valve plug plug, the steel ball and spring peace
In the end counterbore of main valve plug plug, the main valve plug plug separates counter balance pocket and inner chamber.
Preferably, the one end of the valve opening away from control valve element is provided with end part plug, the front end of the end part plug
Compress main one-way valve seat.
It is installed on preferably, the main inner elements of check valve is coordinated by gap in the endoporus of end part plug, the main list
Breach is provided with to the periphery of valve core, for connecting the counter balance pocket of oil-out and main inner elements of check valve rear end.
Preferably, pre-compressed spring is installed between the main valve plug plug and end part plug, for main inner elements of check valve
Primary valve is close in no pressure.
Preferably, the back segment step of the control valve element is engaged with the left side of the main one-way valve seat, work as institute
Control valve element is stated when being moved to extreme position, the back segment step of the control valve element is resisted against the left end of the main one-way valve seat
On face.
Preferably, by the first elastomeric seal between the back segment and valve opening of the control valve element, for oil will to be controlled
Mouth separates with oil inlet.
Preferably, by the second elastomeric seal between the main one-way valve seat and valve opening, for by oil inlet with
Oil-out separates.
Preferably, by the 3rd elastomeric seal between the main valve plug plug and the inner chamber, for by inner chamber with
Counter balance pocket in end part plug separates.
Preferably, pass through the 4th elastomeric seal between the afterbody and valve body of the end part plug.
The beneficial effects of the utility model are：
The utility model realizes the break-make of primary path by the cooperation of main inner elements of check valve male cone (strobilus masculinus) and primary valve, by pre-
The break-make of throttle passage is realized in the cooperation of unloader valve port and steel ball, be ensure that by main valve plug plug during slow unload in counter balance pocket
Pressure oil oil inlet will not be flowed back to by pre- unloader valve port.During oil return, control valve element moves right, and the end of its leading portion is first
Steel ball is promoted, so as to open pre- unloader valve port, now fuel-displaced cavity pressure oil can only be flowed out by throttling pore, thus oil outlet chamber
Slow release；When oil outlet chamber pressure is reduced to certain value, control oil pocket pressure promotes control valve element to continue to move to, and passes through control
The step in valve element stage casing promotes main inner elements of check valve to leave primary valve, and now vent line is opened completely with in-line, so as to realize
Complete off-load.Above-mentioned hydraulic control one-way valve uses two-stage release mode, and first passing through throttling pore steadily slowly reduces oil-out pressure,
Open primary valve off-load completely again, effectively reduce discharge rate, coordinate the requirement that electrical control meanses progressively to unload to be able to reality
It is existing.
Brief description of the drawings
, below will be to the utility model embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The required accompanying drawing used is briefly described in description, it should be apparent that, drawings in the following description are only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to the content of the utility model embodiment and these accompanying drawings.
Fig. 1 be the utility model embodiment provide one position of hydraulic control one-way valve to sectional structure chart；
Fig. 2 be the utility model embodiment provide hydraulic control one-way valve another one to sectional structure chart.
In figure：
1-valve body；2-control valve element；3-main one-way valve seat；4-main inner elements of check valve；5-steel ball；6-steel ball bullet
Spring；7-main valve plug plug；8-pre-compressed spring；9-end part plug；10-control port；11-oil inlet；12-throttling is small
Hole；13-oil-out；14-inner chamber；15-the first elastomer；16-the second elastomer；17-the three elastomer；18-main valve
Mouthful；19-pre- unloader valve port；20-the four elastomer；21- counter balance pockets.
Embodiment
It is clearer for the technical scheme and the technique effect that reaches that make technical problem that the utility model solves, use,
The technical scheme of the utility model embodiment is described in further detail below in conjunction with accompanying drawing, it is clear that described reality
It is only the utility model part of the embodiment to apply example, rather than whole embodiments.Based on the embodiment in the utility model,
The every other embodiment that those skilled in the art are obtained under the premise of creative work is not made, it is new to belong to this practicality
The scope of type protection.
Present embodiment provides a kind of preferable hydraulic control one-way valve, during solving existing check valve oil return pressure release, unloads and presses through
There is pressure to delay unloading functions for the uncontrollable problem of journey, the hydraulic control one-way valve, suitable for multiple use, especially need to add step by step
In pressure, pressurize and the hydraulic system that depressurizes step by step.
As Figure 1-Figure 2, the hydraulic control one-way valve includes valve body 1, and valve body 1 offers valve opening along central axis direction, valve body 1
The control port 10 being connected respectively with valve opening, oil inlet 11 and oil-out 13 and other access openings are offered in side wall.On
State control port 10 with control oil pocket to be connected, oil inlet 11 is connected with oil suction chamber, and oil-out 13 is connected with oil outlet chamber.On
State in the valve opening of valve body 1 be sequentially installed with from left to right control valve element 2, main one-way valve seat 3, main inner elements of check valve 4, steel ball 5,
Steel ball and spring 6, main valve plug plug 7, pre-compressed spring 8 and end part plug 9.Wherein, control valve element 2 is slidably disposed in valve opening
One end, for promoting main inner elements of check valve 4 under oil return state.Specifically, valve element 2 is controlled by three sections of stepped cylinder structures
Into, back segment, stage casing and leading portion are from left to right divided into, wherein, the first elastomer 15 is provided between back segment and valve opening, is used for
Control port 10 and oil inlet 11 are sealed off；The step surface in stage casing is used for the left side for promoting main inner elements of check valve 4, leading portion
End face drive steel ball 5 for top.
Above-mentioned main one-way valve seat 3 is fixed in valve opening, and valve element is controlled when control valve element 2 is controlled when liquefaction shifts low order end onto
2 back segment step surface can be withstood on the left side of main one-way valve seat 3, for limiting control valve element 2 shift position, ensure this reality
With new safety in utilization.Meanwhile above-mentioned main one-way valve seat 3 is cylindrical close by the second elastomer 16 between valve opening
Envelope, for oil inlet 11 and oil-out 13 to be separated.
The outer wall of above-mentioned main inner elements of check valve 4 is provided with the conical surface, and the right-hand member of main one-way valve seat 3 is provided with primary valve 18,
Under valve closed mode, the above-mentioned conical surface is bonded formation sealing with primary valve 18, for blocking oil inlet 11 and oil-out 13；Above-mentioned master
The structure hollow of inner elements of check valve 4, provided with inner chamber 14, steel ball 5 and steel ball and spring 6 are installed, in valve closed mode in inner chamber 14
Under, steel ball 5 is resisted against in the pre- unloader valve port 19 of inner chamber 14 by the effect of steel ball and spring 6.Above-mentioned inner chamber 14 is away from pre- feather valve
One end of mouth 19 is also equipped with main valve plug plug 7, and steel ball and spring 6 is in the end counterbore of main valve plug plug 7.Inner chamber 14
Circumferential side wall offer throttling pore 12, throttling pore 12 is between main valve plug plug 7 and pre- unloader valve port 19, for even
Logical inner chamber 14 and oil-out 13.Sealed between main valve plug plug 7 and inner chamber 14 by the 3rd elastomer 17, for by inner chamber 14 with
The rear end cavity of main inner elements of check valve 4 separates.
The one end of above-mentioned valve opening away from control valve element 2 is provided with end part plug 9, and end part plug 9 screws in the spiral shell of the right-hand member of valve body 1
In hole, its front end compresses main one-way valve seat 3, to improve the installation reliability of the hydraulic control one-way valve；The afterbody of end part plug 9 leads to
Cross the 4th elastomer 20 and sealing is formed to the valve opening of valve body 1.Above-mentioned main inner elements of check valve 4 is coordinated by gap is installed on end plugging
In first 9 endoporus, to ensure the smooth movement of main inner elements of check valve 4；The periphery of main inner elements of check valve 4 is provided with fuel feeding liquid simultaneously
The breach passed through, pressure oil can be made to enter the main rear end of inner elements of check valve 4, thrust is produced to inner elements of check valve 4 at counter balance pocket 21,
It is allowed to be close to primary valve 18.Pre-compressed spring 8 is installed, for main inner elements of check valve between above-mentioned main valve plug plug 7 and end part plug 9
4 are close to primary valve 18 in the absence of stress.
The course of work of the present utility model is as follows：
Under packing state, control-oil pressure rise promotes control valve element 2 to move to right, and control valve element 2 leading portion end initially strikes
Steel ball 5, and promote steel ball 5 to leave pre- unloader valve port 19, now, the cavity fluid of oil-out 13 can only pass through throttling pore on valve element
12 flow back to the cavity of oil inlet 11 through inner chamber 14, ensure the chamber pressure of oil-out 13 by the throttling action of throttling pore 12 here
It is gentle to reduce；After oil outlet chamber pressure is reduced to certain value, control cavity pressure promotes control valve element 2 to continue to move to right, and controls valve element 2
Stage casing step promotes main inner elements of check valve 4 to leave primary valve 18, and now, the cavity of oil-out 13 connects completely with the cavity of oil inlet 11
It is logical, so as to form full flow oil return, realize complete off-load.After oil return terminates, pre-compressed spring 8 promotes main inner elements of check valve 4 to move to left
Complete to reset.
Here, the controlled oil pocket pressure application surface product of the above-mentioned institute of control valve element 2 is more than oil back chamber suffered by pre- unloader valve port 19
Pressure application surface accumulates, to promote steel ball 5 under packing state.The area of above-mentioned primary valve 18 is more than control valve element 2 pressure and made
With area, to ensure oil outlet chamber after throttling pore 12 unloads partial pressure in advance, control valve element 2 promotes main inner elements of check valve 4 again
Two-stage unloading is carried out, to prevent the direct pressure release of oil outlet chamber from forming moment release to valve body 1.During above-mentioned two-stage unloading, control
Valve element 2 processed promote the thrust of main inner elements of check valve 4 should be acted on more than or equal to the chamber pressure of oil-out 13 primary valve 18 and
The summation of the active force of pre-compressed spring 8, to ensure to control valve element 2 to push main inner elements of check valve 4 open, keep the smooth of primary valve 18
It is logical.
The utility model realizes the break-make of primary path by the cooperation of the main male cone (strobilus masculinus) of inner elements of check valve 4 and primary valve 18, leads to
The break-make of throttle passage is realized in the cooperation for crossing pre- unloader valve port 19 and steel ball 5.Above-mentioned hydraulic control one-way valve uses two-stage release mode,
The steady slowly reduction pressure of oil-out 13 of throttling pore 12 is first passed through, then opens the off-load of primary valve 18 completely, effectively controls and unloads
Carry speed.Meanwhile the hydraulic control one-way valve is avoided and used using one-way throttle valve and hydraulic control one-way valve collocation, existing unloaded time
The problems such as oily back pressure is big.
It is pointed out that above is explaining for the valve unloading process progress of oil inlet 11 is flowed to by oil-out 13 for fluid
State.When fluid flows to oil-out 13 by oil inlet 11, throttling pore 12 can hinder fluid by the way that therefore steel ball 5 begins after steel ball 5
It can be pressed in eventually by steel ball and spring 6 in pre- unloader valve port 19 (closed mode), fluid can push main inner elements of check valve 4 open and realize that forward direction is entered
Oil, this is identical with conventional one-way valve principle, and here is omitted.
Pay attention to, above are only preferred embodiment of the present utility model and institute's application technology principle.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, can carried out for a person skilled in the art various bright
Aobvious change, readjust and substitute without departing from the scope of protection of the utility model.Therefore, although passing through above example
The utility model is described in further detail, but the utility model is not limited only to above example, is not departing from
In the case that the utility model is conceived, other more equivalent embodiments can also be included, and the scope of the utility model is by appended
Right determine.
Claims (10)
1. a kind of hydraulic control one-way valve, it is characterised in that including valve body (1), valve opening, control port are offered on the valve body (1)
(10), oil inlet (11) and oil-out (13), be sequentially installed with the valve opening control valve element (2), main one-way valve seat (3) and
Main inner elements of check valve (4)；The outer wall of the main inner elements of check valve (4) is provided with the conical surface, and the main one-way valve seat (3) is provided with
Primary valve (18), the conical surface are resisted against on primary valve (18), for separating oil inlet (11) and oil-out (13)；The main list
The inner chamber (14) of valve core (4) is provided with steel ball (5) and steel ball and spring (6), work of the steel ball (5) in steel ball and spring (6)
It is resisted against under in the pre- unloader valve port (19) of inner chamber (14), the side wall of the inner chamber (14) offers throttling pore (12), uses
It is connected in oil-out (13)；The control valve element (2) is step column structure, including leading portion, stage casing and back segment, described
Leading portion drives steel ball (5) for top, and the step in the stage casing is used for the end that main inner elements of check valve (4) are opened on top, and the back segment is used for
Control port (10) and oil inlet (11) are separated.
2. hydraulic control one-way valve according to claim 1, it is characterised in that the inner chamber (14) is away from pre- unloader valve port (19)
One end main valve plug plug (7) is installed, the steel ball and spring (6) is arranged in the end counterbore of main valve plug plug (7), described
Main valve plug plug (7) separates the counter balance pocket (21) in end part plug (9) with inner chamber (14).
3. hydraulic control one-way valve according to claim 2, it is characterised in that the one end of the valve opening away from control valve element (2)
End part plug (9) is installed, the front end of the end part plug (9) compresses main one-way valve seat (3).
4. hydraulic control one-way valve according to claim 3, it is characterised in that the main inner elements of check valve (4) is matched somebody with somebody by gap
Conjunction is installed in the endoporus of end part plug (9), and the periphery of the main inner elements of check valve (4) is provided with breach, fuel-displaced for connecting
Mouth (13) and the counter balance pocket (21) in end part plug (9).
5. hydraulic control one-way valve according to claim 4, it is characterised in that the main valve plug plug (7) and end part plug (9)
Between pre-compressed spring (8) is installed, for main inner elements of check valve (4) in no pressure close to primary valve (18).
6. according to the hydraulic control one-way valve described in claim any one of 1-5, it is characterised in that the back segment of the control valve element (2)
Step is engaged with the left side of the main one-way valve seat (3), when the control valve element (2) is moved to extreme position, institute
The back segment step for stating control valve element (2) is resisted against on the left side of the main one-way valve seat (3).
7. hydraulic control one-way valve according to claim 6, it is characterised in that back segment and the valve opening of the control valve element (2) it
Between by the first elastomer (15) seal, for control port (10) and oil inlet (11) to be separated.
8. hydraulic control one-way valve according to claim 7, it is characterised in that the main one-way valve seat (3) is between valve opening
Sealed by the second elastomer (16), for oil inlet (11) and oil-out (13) to be separated.
9. hydraulic control one-way valve according to claim 2, it is characterised in that the main valve plug plug (7) and the inner chamber
(14) sealed between by the 3rd elastomer (17), for inner chamber (14) and the counter balance pocket (21) in end part plug (9) to be separated.
10. hydraulic control one-way valve according to claim 3, it is characterised in that the afterbody and valve body of the end part plug (9)
(1) sealed between by the 4th elastomer (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720709998.1U CN206972991U (en) | 2017-06-19 | 2017-06-19 | A kind of hydraulic control one-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720709998.1U CN206972991U (en) | 2017-06-19 | 2017-06-19 | A kind of hydraulic control one-way valve |
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| Publication Number | Publication Date |
|---|---|
| CN206972991U true CN206972991U (en) | 2018-02-06 |
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ID=61409286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720709998.1U Active CN206972991U (en) | 2017-06-19 | 2017-06-19 | A kind of hydraulic control one-way valve |
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| Country | Link |
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| CN (1) | CN206972991U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173473A (en) * | 2019-04-29 | 2019-08-27 | 裕泰液压技术(上海)有限公司 | A kind of big pilot ratio hydraulic control one-way valve |
| CN111894559A (en) * | 2019-05-06 | 2020-11-06 | 中国石油化工股份有限公司 | Inner channel decompression restrictor |
| CN111895260A (en) * | 2020-07-20 | 2020-11-06 | 南京赫德液压机械有限公司 | Online electric feedback prevents hose automatic checkout device that drops |
| JP2020186733A (en) * | 2019-05-09 | 2020-11-19 | 株式会社島津製作所 | Pilot lock valve |
| CN113236680A (en) * | 2021-05-24 | 2021-08-10 | 宜宾凯翼汽车有限公司 | Slow release structure of hydraulic clutch control system |
-
2017
- 2017-06-19 CN CN201720709998.1U patent/CN206972991U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173473A (en) * | 2019-04-29 | 2019-08-27 | 裕泰液压技术(上海)有限公司 | A kind of big pilot ratio hydraulic control one-way valve |
| CN110173473B (en) * | 2019-04-29 | 2020-11-13 | 裕泰液压技术(上海)有限公司 | Hydraulic control one-way valve with large pilot ratio |
| CN111894559A (en) * | 2019-05-06 | 2020-11-06 | 中国石油化工股份有限公司 | Inner channel decompression restrictor |
| JP2020186733A (en) * | 2019-05-09 | 2020-11-19 | 株式会社島津製作所 | Pilot lock valve |
| JP7147679B2 (en) | 2019-05-09 | 2022-10-05 | 株式会社島津製作所 | pilot lock valve |
| CN111895260A (en) * | 2020-07-20 | 2020-11-06 | 南京赫德液压机械有限公司 | Online electric feedback prevents hose automatic checkout device that drops |
| CN113236680A (en) * | 2021-05-24 | 2021-08-10 | 宜宾凯翼汽车有限公司 | Slow release structure of hydraulic clutch control system |
| CN113236680B (en) * | 2021-05-24 | 2022-11-01 | 宜宾凯翼汽车有限公司 | Slow release structure of hydraulic clutch control system |
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