CN209540144U - The adapted pad of hydraulic cartridge valve - Google Patents
The adapted pad of hydraulic cartridge valve Download PDFInfo
- Publication number
- CN209540144U CN209540144U CN201920133040.1U CN201920133040U CN209540144U CN 209540144 U CN209540144 U CN 209540144U CN 201920133040 U CN201920133040 U CN 201920133040U CN 209540144 U CN209540144 U CN 209540144U
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- CN
- China
- Prior art keywords
- valve
- pad
- adapted pad
- sealing shroud
- aperture
- 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 adapted pads of hydraulic cartridge valve, are arranged between valve pocket and sealing shroud, and adapted pad is the axial ring set for being provided with centre bore, and ring set periphery is equipped with step and is divided into big end and small end, and big end outer diameter is slightly less than the valve opening aperture of valve block.Adapted pad is arranged in the utility model between valve pocket and sealing shroud, it can be adjusted according to the depth difference of valve opening, valve pocket, adapted pad and sealing shroud after making combination can satisfy the valve opening of a variety of depth, scalability is strong, manufacture difficulty is reduced in production, the inserted valve suitable for different size is applied in combination.In the case of adding adapted pad or removing adapted pad, the control operation of inserted valve is can be achieved in the utility model, and the use of adapted pad does not change original structure, adaptable.
Description
Technical field
The utility model relates to hydraulic valve apparatus field, the adapted pad of especially a kind of hydraulic cartridge valve.
Background technique
Inserted valve is that valve basic module is inserted into valve block valve opening, and cooperation control cover board and solenoid directional control valve etc. realize liquid
The advantages that combination valve road circulation or disconnected has valve core structure simple, sensitive, good airproof performance is widely used in each
In kind hydraulic machinery.Liquid disclosed in Chinese utility model patent " 201020680393.2--- bonnet projection type hydraulic cartridge valve "
Pressure inserted valve is made of valve pocket, spool, valve deck, reset spring, control cover board and solenoid directional control valve.Setting in valve pocket axial hole
Spool, valve pocket upper end are nested with valve deck, reset spring are arranged between valve deck and spool.Valve deck top is equipped with protrusion, sets above valve deck
Control cover board is set, valve deck convex portion is accommodated in control cover board.It controls in cover board and is arranged among oil communication valve deck, control lid
Corresponding oil communication control port and oil return opening is arranged in plate, and solenoid directional control valve, valve deck convex portion is arranged in control cover board side
The first sealing ring is set with control cover board mating part, the second sealing ring is arranged in valve pocket and valve deck mating part.Above-mentioned technology is adopted
Cylinder sealing is realized with the fit structure of valve deck protrusion and control cover board counterbore, and protrusion is located at bonnet central, after mounting, still
The altitude location between control cover board and valve block is carried out by step surface, still will affect if insufficient height is there are gap close
Effect is sealed, permeability phenomenon occurs in use；Lower part can be squeezed if superelevation to cause to generate spool stress deformation, causes to damage
It is bad.After finalization of the manufacture, the height of inserted valve should not adjust the prior art again, and the depth of valve opening determines substantially, if occurring
When inserted valve poor fit situation, adjusting process very very complicated.The spool and valve pocket component of the prior art do not meet the world
Standard, it is necessary to which nonstandard customization, high production cost are not suitable for producing in batches.
Utility model content
The applicant is difficult to adjust after being directed to the existing manufacture of above-mentioned existing hydraulic cartridge valve, valve pocket, adapted pad and sealing
Set the disadvantages of being not applied for the valve opening of different depth, provide a kind of structurally reasonable hydraulic cartridge valve, can in valve pocket, match
Neatly the height of inserted valve is adjusted when can not be cooperated with pad and sealing shroud.
Technical solution used by the utility model is as follows:
A kind of adapted pad of hydraulic cartridge valve is arranged between valve pocket and sealing shroud, and adapted pad is axially to be provided with centre bore
Ring set, ring set periphery be equipped with step be divided into big end and small end, big end outer diameter is slightly less than the valve opening aperture of valve block.
As a further improvement of the above technical scheme:
The centre bore of adapted pad is the through-hole at least one step, the d of adapted pad1Aperture is slightly larger than the axis hole of valve pocket
Internal diameter, d2The outer diameter of aperture and reset spring matches.
The small end periphery of adapted pad and the m of sealing shroud1Bore clearance cooperation, the step surface of adapted pad and the lower end of sealing shroud
Face contact.
The d of adapted pad1The m in aperture and sealing shroud2Aperture is consistent.
The beneficial effects of the utility model are as follows:
Adapted pad is arranged in the utility model between valve pocket and sealing shroud, can be adjusted according to the depth difference of valve opening
Whole, valve pocket, adapted pad and sealing shroud after making combination can satisfy the valve opening of a variety of depth, and scalability is strong, drop in production
Low manufacture difficulty, the inserted valve suitable for different size are applied in combination.In the situation of addition adapted pad or removal adapted pad
Under, the control operation of inserted valve can be achieved in the utility model, and the use of adapted pad does not change original structure, adaptability
By force.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model.
Fig. 2 is the scheme of installation of Fig. 1.
Fig. 3 is the cross-sectional view of adapted pad.
Fig. 4 is the cross-sectional view of sealing shroud.
In figure: 1, sealing shroud；2, adapted pad；3, valve pocket；4, spool；5, reset spring；6, the first seal groove；7, second is close
Sealing groove；8, third seal groove；9, cover board is controlled；10, valve block；11, solenoid directional control valve；12, adapted pads centre bore；13, in valve pocket
Heart hole；14, big end；15, small end；d1~d3, adapted pad aperture；m1~m4, sealing shroud aperture.
Specific embodiment
With reference to the accompanying drawing, illustrate specific embodiment of the present utility model.
As depicted in figs. 1 and 2, valve pocket 3 is arranged in the valve opening lower part of valve block 10 in hydraulic cartridge valve described in the utility model,
Sealing shroud 1 is set on valve opening top, adapted pad 2 is set between valve pocket 3 and sealing shroud 1,1 periphery of sealing shroud is same cylinder
Face, and cylinder outer diameter and the maximum outside diameter size of valve pocket 3 are almost the same.Setting control cover board 9, controls cover board above valve block 10
9 lower surfaces offer counterbore, the counterbore formation gap shaft hole matching on 1 top of sealing shroud and control cover board 9.In the axial direction of valve pocket 3
Reset spring 5 is arranged in built-in spool 4 in hole between adapted pad 2 and spool 4, and 5 upper end of reset spring is fallen into adapted pad 2
Counterbore is entreated, lower end passes through the inner hole bottom limit inside spool 4.Spool 4 is detached from valve pocket 3 along axis under the action of following pressure oil
To movement, the channel connection of 3 lower part of valve pocket is controlled.When pressure oil is without active force, reset spring 5 pushes spool 4 close to valve pocket
3, inserted valve is closed.
As shown in figure 3, adapted pad 2 is the axial ring set for being provided with centre bore 12, ring set periphery is equipped with step and is divided into big end 14
With small end 15,14 outer diameter of big end is slightly less than the aperture of valve opening, substantially suitable with the outer diameter of sealing shroud 1 with valve pocket 3.Adapted pad 2
Centre bore 12 is the through-hole being at least made of a stepped hole, and the present embodiment is two stepped holes, d from the bottom up1Aperture, d2
Aperture, d3The internal diameter in aperture is sequentially reduced, the d of adapted pad 21Aperture is slightly larger than the shaft hole diameter of valve pocket 3, d2Aperture and reset bullet
The outer diameter of spring 5 matches, the top for fixed reset spring 5.
As shown in figure 4, sealing shroud 1 is the axial round cover body structure for being provided with centre bore 13, basic size above and below outer diameter
It is identical.The centre bore 13 of sealing shroud 1 is the through-hole with multiple steps, and the present embodiment is the hole of four different-diameters, from lower past
On m1Aperture, m2Aperture, m3Aperture and m4The internal diameter in aperture is sequentially reduced.The small end 15 of adapted pad 2 and the m of sealing shroud 11Aperture
Clearance fit, the step between the lower end surface of sealing shroud 1 and the big small end of adapted pad 2 contact.The m of sealing shroud2Aperture and adapted
The d of pad 21Aperture is almost the same, the m of sealing shroud3The d in aperture and adapted pad 22Aperture is consistent, multiple when without using adapted pad 2
Position 5 top of spring is placed in m3In aperture.The mating part of the outer peripheral surface of sealing shroud 1 and control 9 counterbore inner wall of cover board offers the
One seal groove 6 sets sealing ring in slot, and the mating part of the valve opening inner wall of the outer peripheral surface and valve block 10 of sealing shroud 1 offers
Two seal grooves 7 set sealing ring in slot, and the mating part of the valve opening inner wall of the outer peripheral surface and valve block 10 of valve pocket 3 offers third
Seal groove 8 sets sealing ring in slot.
For the utility model before work, reset spring 5 is in compressive state, and spool 4 is located at 3 bottom of valve pocket, and spool 4 is in
Closed state.At work, control oil is entered in sealing shroud 1 by controlling the oil circuit of cover board 9, is then flowed into inside adapted pad 2,
The bottom that spool 4 is in valve pocket 3 is pushed down on, spool 4 is in closed state.The pressure oil of 4 lower section of spool is blocked, Bu Nengliu
In the channel for entering 3 side of valve pocket.When the oily oil circuit and solenoid directional control valve 11 by control cover board 9 of control enters oil return pipe, valve
Core 4 leaves the bottom of valve pocket 3 under the action of pressure oil, and pressure oil flows into the channel of 3 side of valve pocket, and spool 4 is in opening state
State.After the completion of work, spool 4 is restored to closed state along valve pocket 3, spool 4 is pushed axially toward by reset spring 5.
The utility model during fabrication, for the valve opening of different depth, can make valve pocket 3, adapted according to the design needs
Pad 2 and sealing shroud 1.Wherein, valve pocket 3 and sealing shroud 1 can be using fixed specifications, and adapted pad 2 is different according to the depth of valve opening
It is fabricated separately, valve pocket 3, adapted pad 2 and the sealing shroud 1 after enabling combination are adjusted the height of inserted valve, meet
The valve opening of a variety of depth, scalability is strong, reduces manufacture difficulty in production.Certainly for the shallower valve of some valve opening depth
Block can also directly use valve pocket 3 and sealing shroud 1 without using adapted pad 2 and only.
Above description is the explanation to the utility model, is not the restriction to utility model, without prejudice to the utility model
In the case where spirit, the utility model can make any type of modification." summary ", " basic " in the utility model belong to engineering
The fine dimension that technical staff is understood that changes or in the margin of tolerance of permission, has no effect on the utility model in structure
Point.
Claims (4)
1. a kind of adapted pad of hydraulic cartridge valve, it is characterised in that: be arranged between valve pocket (3) and sealing shroud (1), adapted pad
It (2) is the axial ring set for being provided with centre bore, ring set periphery is equipped with step and is divided into big end (14) and small end (15), big end (14) outer diameter
It is slightly less than the valve opening aperture of valve block (10).
2. the adapted pad of hydraulic cartridge valve described in accordance with the claim 1, it is characterised in that: the centre bore of adapted pad (2) is tool
There are the through-hole of at least one step, the d of adapted pad (2)1Aperture is slightly larger than the shaft hole diameter of valve pocket (3), d2Aperture and reset spring
(5) outer diameter matches.
3. the adapted pad of hydraulic cartridge valve described in accordance with the claim 1, it is characterised in that: the small end (15) of adapted pad (2) is outside
The m in week and sealing shroud (1)1Bore clearance cooperation, the step surface of adapted pad (2) and the lower end face contact of sealing shroud (1).
4. the adapted pad of hydraulic cartridge valve described in accordance with the claim 1, it is characterised in that: the d of adapted pad (2)1Aperture and sealing
Cover the m of (1)2Aperture is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920133040.1U CN209540144U (en) | 2019-01-25 | 2019-01-25 | The adapted pad of hydraulic cartridge valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920133040.1U CN209540144U (en) | 2019-01-25 | 2019-01-25 | The adapted pad of hydraulic cartridge valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209540144U true CN209540144U (en) | 2019-10-25 |
Family
ID=68271576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920133040.1U Expired - Fee Related CN209540144U (en) | 2019-01-25 | 2019-01-25 | The adapted pad of hydraulic cartridge valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209540144U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779995A (en) * | 2019-01-25 | 2019-05-21 | 鼎斯（上海）液压科技有限公司 | Hydraulic cartridge valve |
-
2019
- 2019-01-25 CN CN201920133040.1U patent/CN209540144U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779995A (en) * | 2019-01-25 | 2019-05-21 | 鼎斯（上海）液压科技有限公司 | Hydraulic cartridge valve |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191025 Termination date: 20220125 |