CN208870863U - A kind of adjustable-pressure shuts off super-pressure commutation valve seat - Google Patents
A kind of adjustable-pressure shuts off super-pressure commutation valve seat Download PDFInfo
- Publication number
- CN208870863U CN208870863U CN201821565538.7U CN201821565538U CN208870863U CN 208870863 U CN208870863 U CN 208870863U CN 201821565538 U CN201821565538 U CN 201821565538U CN 208870863 U CN208870863 U CN 208870863U
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- CN
- China
- Prior art keywords
- pressure
- valve seat
- sleeve
- runner
- fixed
- 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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Abstract
The utility model discloses a kind of adjustable-pressure shut off super-pressure commutation valve seat, including valve seat body, connecting tube is provided with before the valve seat body, runner is connected in the connecting tube, adjustment column is provided in the middle part of the runner, and the adjustment column and the runner vertical distribution, the adjustment top end is fixed with handle, the adjustment column lower part is provided with multiple lantern rings, and multiple lantern rings are (along the length direction unequally distributed blades of the adjustment column, dredging component is fixed on the connecting tube inner sidewall, and the dredging component is embedded and is mounted in the valve seat body；The dredging component includes guide sleeve and sleeve, and the guide sleeve side is fixed with separation sleeve.Beneficial effect is: the utility model drives sealing plate reciprocal traversing pressure generated in change runner in sleeve by push rod, and then pressure dredging is carried out to the obstruction in runner use process, the normal pressure for avoiding flow blockage and interfering with commutation valve seat is adjusted.
Description
Technical field
The utility model relates to reversal valve accessory part fields, and in particular to a kind of adjustable-pressure shuts off super-pressure commutation
Valve seat.
Background technique
Reversal valve is the directional control valve with two or more liquid forms and more than two hydraulic fluid ports.It is to realize hydraulic oil stream
Communication, cutting and commutation and discharge degree and sequentially-operating control valve.By the side of the relative motion of spool and valve body
To control valve.There are rotary valve and two kinds of side valve type, commutation valve seat is a significant components of reversal valve.
Applicants have discovered that at least there is following technical problem in the prior art: commutation valve seat is not provided with dredging component,
The obstruction of runner can not be dredged in time in use, influence the pressure normal regulating of commutation valve seat.
Utility model content
The purpose of this utility model is that providing a kind of adjustable-pressure to solve the above-mentioned problems shuts off super-pressure
Commutate valve seat, is not provided with dredging component to solve commutation valve seat in the prior art, can not be in use in time to runner
Obstruction carry out the technical problem such as dredging.Preferred technical solution has and passes through in many technical solutions provided by the utility model
Push rod drives sealing plate reciprocal traversing pressure generated in change runner in sleeve, and then comes to the resistance in runner use process
It fills in row and forces the technical effects such as dredging, elaboration as detailed below.
To achieve the above object, the utility model provides following technical scheme:
A kind of adjustable-pressure provided by the utility model shuts off super-pressure commutation valve seat, including valve seat body, the valve
It is provided with connecting tube before seat ontology, runner is connected in the connecting tube, is provided with adjustment column in the middle part of the runner, and described
Adjustment column and the runner vertical distribution, the adjustment top end are fixed with handle, and the adjustment column lower part is provided with multiple sets
Ring, and multiple lantern rings (along the length direction unequally distributed blades of the adjustment column, are fixed with thin on the connecting tube inner sidewall
Logical component, and the dredging component is embedded and is mounted in the valve seat body；
The dredging component includes guide sleeve and sleeve, and the guide sleeve side is fixed with separation sleeve, and the guide sleeve other side is solid
Surely there is the sleeve, and protruded into the connecting tube in the sleeve, mounting groove, the mounting groove are offered in the separation sleeve
Interior one end by grab and pressure spring is fixed, and the other end of the pressure spring is connected with limit plate by grab, in the limit plate
Side is fixed with push rod, and described push rod one end is fixed with handle, and the push rod other end is fixed with sealing plate, and the sealing edges of boards
Edge is bonded with the sleeve lining.
Shut off super-pressure commutation valve seat using a kind of above-mentioned adjustable-pressure, when in use, by the connecting tube and extraneous
Intake line be connected to, while the other end of the runner is connected to extraneous output pipe, the fluid warp in intake line
The connecting tube flows into the runner, output pipe is delivered to by the runner, when needing to carry out pressure adjustment, by institute
State be provided in adjustment column multiple lantern rings and multiple lantern rings (along the length direction unequally distributed blades of the adjustment column,
The adjustment column and the runner vertical distribution simultaneously, to just realize convection current by the gap difference between two lantern rings
The adjustment of body output pressure to outside the runner, when adjustment, which only needs to hold the handle, drives the adjustment column lifting, passes through institute
Adjustment column lifting is stated to adjust position of the lantern ring in the runner, so by the gap between two lantern rings come
Change output pressure of the fluid to outside the runner, when the flow blockage, holds the handle and drive the push rod to institute
State that connecting tube direction is traversing, the push rod drives the sealing plate traversing in the sleeve by the guidance of the guide sleeve, by
It is bonded in the sealing plate edge with the sleeve lining, so that the sealing plate is compressed during traversing in the sleeve
Fluid increase the pressure in the runner, while the push rod can pass through the limit plate during traversing and compress institute
Pressure spring is stated, when unclamping the handle, the compression travel that the pressure spring discharges itself drives the push rod by the limit plate
It is back to initial position, push rod described in such repeated presses is multiple, and resistance can be dredged by the change of pressure in the runner
Plug avoids the interference that obstruction adjusts the valve seat body normal pressure.
Preferably, offering anti-skid chequer on the handle.
Preferably, the quantity of the lantern ring is five, the lantern ring and the adjustment column are interference fitted.
Preferably, the groove depth of the mounting groove is not more than the compression travel of the pressure spring.
Preferably, the limit plate is solid annular structure, the limit plate and the push rod transition fit.
Preferably, the guide sleeve and the push rod clearance cooperate.
Preferably, the handle and the sealing plate are flexible material.
Beneficial effect is: the utility model drives sealing plate reciprocal traversing generation in sleeve to change runner by push rod
Interior pressure, and then pressure dredging is carried out to the obstruction in runner use process, it avoids flow blockage and interferes with commutation
The normal pressure of valve seat is adjusted.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is that the utility model faces exterior view；
Fig. 2 is that the utility model faces interior view；
Fig. 3 is the vertical view interior view of the utility model；
Fig. 4 is the dredging component partial enlarged view of the utility model.
The reference numerals are as follows:
1, valve seat body；101, connecting tube；102, runner；103, handle；104, adjustment column；105, lantern ring；2, dredging group
Part；201, handle；202, push rod；203, sleeve；204, sealing plate；205, separation sleeve；206, limit plate；207, mounting groove；
208, pressure spring；209, guide sleeve.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Shown in referring to figures 1-4, the utility model provides a kind of adjustable-pressure and shuts off super-pressure commutation valve seat, including
Valve seat body 1 is provided with connecting tube 101 before valve seat body 1, and runner 102,102 middle part of runner are connected in connecting tube 101
It is provided with adjustment column 104, and adjustment column 104 and 102 vertical distribution of runner, 104 top of adjustment column are fixed with handle 103, adjusted
104 lower part of column is provided with multiple lantern rings 105, and multiple lantern rings 105 are along the length direction unequally distributed blades of adjustment column 104, connection
Dredging component 2 is fixed on 101 inner sidewall of pipe, and dredging component 2 is embedded and is mounted in valve seat body 1；
Dredging component 2 includes guide sleeve 209 and sleeve 203, and 209 side of guide sleeve is fixed with separation sleeve 205, and guide sleeve 209 is another
Side is fixed with sleeve 203, and protrudes into connecting tube 101 in sleeve 203, and mounting groove 207, mounting groove are offered in separation sleeve 205
It is fixed in 207 by one end of grab and pressure spring 208, the other end of pressure spring 208 is connected with limit plate 206 by grab, limit
Push rod 202 is fixed on the inside of plate 206,202 one end of push rod is fixed with handle 201, and 202 other end of push rod is fixed with sealing plate
204, and 204 edge of sealing plate is bonded with 203 inner wall of sleeve.
Preferably, anti-skid chequer is offered on handle 103, so set, good convenient for having when hand-held handle 103
Non-skid property.
The quantity of lantern ring 105 is five, and lantern ring 105 and adjustment column 104 are interference fitted, so set, tight convenient for lantern ring 105
Gu in adjustment column 104, so that the output of fluid in runner 102 is adjusted in the position adjustment in runner 102 by lantern ring 105
Pressure.
The groove depth of mounting groove 207 is not more than the compression travel of pressure spring 208, so set, convenient for preventing pressure spring 208 from reaching certainly
The limited compression stroke of body and fail.
Limit plate 206 is solid annular structure, limit plate 206 and 202 transition fit of push rod, so set, convenient for limit
Plate 206 is synchronous with push rod 202 traversing.
Guide sleeve 209 and 202 clearance fit of push rod, so set, smoothly traversing in guide sleeve 209 convenient for push rod 202.
Handle 201 and sealing plate 204 are flexible material, so set, good convenient for having when hand-held handle 201
Sense of touch, while being preferably bonded with 203 inner wall of sleeve convenient for sealing plate 204.
Using the above structure, when in use, connecting tube 101 is connected to extraneous intake line, while by runner
102 other end is connected to extraneous output pipe, and the fluid in intake line flows into runner 102 through connecting tube 101, by runner
102 are delivered to output pipe, when needing to carry out pressure adjustment, due to being provided with multiple lantern rings 105 in adjustment column 104, and it is more
Length direction unequally distributed blades of a lantern ring 105 along adjustment column 104, while adjustment column 104 and 102 vertical distribution of runner, thus
The adjustment to fluid to the outer output pressure of runner 102 is just realized by the gap difference between two lantern rings 105, and when adjustment only needs
Hand-held handle 103 drives adjustment column 104 to go up and down, and is gone up and down by adjusting column 104 to adjust position of the lantern ring 105 in runner 102,
And then change output pressure of the fluid to outside runner 102 by the gap between two lantern rings 105, when runner 102 blocks,
Hand-held handle 201 drives push rod 202 traversing to 101 direction of connecting tube, and push rod 202 drives sealing plate 204 to pass through guide sleeve 209
Guidance is traversing in sleeve 203, since 204 edge of sealing plate is bonded with 203 inner wall of sleeve, so that sealing plate 204 is traversing
The fluid in compression sleeve 203 increases the pressure in runner 102 in the process, while push rod 202 can lead to during traversing
206 compression press spring 208 of limit plate is crossed, when release handle 201, the compression travel that pressure spring 208 discharges itself passes through limit plate 206
The push rod 202 is driven to be back to initial position, more than 202 times of such repeated presses push rod can be changed by pressure in runner 102
Become to dredge obstruction, avoids the interference that obstruction adjusts 1 normal pressure of valve seat body.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (7)
- The super-pressure commutation valve seat 1. a kind of adjustable-pressure shuts off, including valve seat body (1), it is characterised in that: the valve seat sheet It is provided with connecting tube (101) before body (1), is connected with runner (102) in the connecting tube (101), in the middle part of the runner (102) It is provided with adjustment column (104), and the adjustment column (104) and the runner (102) vertical distribution, adjustment column (104) top End is fixed with handle (103), and adjustment column (104) lower part is provided with multiple lantern rings (105), and multiple lantern rings (105) Along the length direction unequally distributed blades of the adjustment column (104), dredging component is fixed on connecting tube (101) inner sidewall (2), and the dredging component (2) embeds and is mounted in the valve seat body (1)；The dredging component (2) includes guide sleeve (209) and sleeve (203), and guide sleeve (209) side is fixed with separation sleeve (205), guide sleeve (209) other side is fixed with the sleeve (203), and protrudes into the connecting tube in the sleeve (203) (101) it in, is offered mounting groove (207) in the separation sleeve (205), passes through grab and pressure spring in the mounting groove (207) (208) one end is fixed, and the other end of the pressure spring (208) is connected with limit plate (206), the limit plate by grab (206) inside is fixed with push rod (202), and described push rod (202) one end is fixed with handle (201), push rod (202) other end It is fixed with sealing plate (204), and the sealing plate (204) edge is bonded with the sleeve (203) inner wall.
- 2. according to claim 1 a kind of adjustable-pressure shut off super-pressure commutation valve seat, it is characterised in that: the handle (103) anti-skid chequer is offered on.
- 3. according to claim 1 a kind of adjustable-pressure shut off super-pressure commutation valve seat, it is characterised in that: the lantern ring (105) quantity is five, and the lantern ring (105) and the adjustment column (104) are interference fitted.
- 4. according to claim 1 a kind of adjustable-pressure shut off super-pressure commutation valve seat, it is characterised in that: the mounting groove (207) groove depth is not more than the compression travel of the pressure spring (208).
- 5. according to claim 1 a kind of adjustable-pressure shut off super-pressure commutation valve seat, it is characterised in that: the limit plate It (206) is solid annular structure, the limit plate (206) and the push rod (202) transition fit.
- 6. according to claim 1 a kind of adjustable-pressure shut off super-pressure commutation valve seat, it is characterised in that: the guide sleeve (209) with the push rod (202) clearance fit.
- 7. according to claim 1 a kind of adjustable-pressure shut off super-pressure commutation valve seat, it is characterised in that: the handle (201) and the sealing plate (204) is flexible material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821565538.7U CN208870863U (en) | 2018-09-25 | 2018-09-25 | A kind of adjustable-pressure shuts off super-pressure commutation valve seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821565538.7U CN208870863U (en) | 2018-09-25 | 2018-09-25 | A kind of adjustable-pressure shuts off super-pressure commutation valve seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208870863U true CN208870863U (en) | 2019-05-17 |
Family
ID=66468756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821565538.7U Expired - Fee Related CN208870863U (en) | 2018-09-25 | 2018-09-25 | A kind of adjustable-pressure shuts off super-pressure commutation valve seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208870863U (en) |
-
2018
- 2018-09-25 CN CN201821565538.7U patent/CN208870863U/en not_active Expired - Fee Related
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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: 20190517 Termination date: 20200925 |