CN205956446U - Switching -over valve system of axial structure - Google Patents
Switching -over valve system of axial structure Download PDFInfo
- Publication number
- CN205956446U CN205956446U CN201620920592.3U CN201620920592U CN205956446U CN 205956446 U CN205956446 U CN 205956446U CN 201620920592 U CN201620920592 U CN 201620920592U CN 205956446 U CN205956446 U CN 205956446U
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- CN
- China
- Prior art keywords
- valve body
- switching
- valve
- commutation
- over valve
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- 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 switching -over valve system of axial structure. This system includes an operating handle, along the axis from interior to having set gradually reversing valve core, switching -over valve body and cutting ferrule outward in operating handle's the cavity, automatic re -setting spring unit is installed in reversing valve core, the installation of switching -over valve body sliding fit, operating handle's front end, automatic re -setting spring unit passes through the draw -in groove with the cutting ferrule and is connected, it has chute and stop device still to process on the cutting ferrule, the front end of switching -over valve body still is equipped with the transition valve piece and the two -way hydraulic pressure latching valve body, and the switching -over valve body link up through oil duct and operating handle two -way hydraulic pressure auto -lock subassembly foremost processing has many grooves and hole on switching -over valve body and reversing valve core's the contact surface. The utility model discloses the switching -over valve system is more convenient for processing, can not take place to warp the oil leak that arouses and block the phenomenon of dying because of the valve barrel, control more accurately, reduced the assembly link, can ensure effectively that the rescue work is high -efficient stable.
Description
Technical field
This utility model is related to rescue tool system field, the commutation valve system of more particularly, to a kind of axial arrangement.
Background technology
Hand-operated direction valve is a kind of Hydraulic Elements widely used in hydraulic system, is mainly used in cutting of medium flow direction
Change.Hand-operated direction valve typically all includes following parts：Manual reverse of direction mechanism, sealing member, valve body, valve element, resetting-mechanism
Or detent mechanism.Resetting-mechanism is used for, after reversal valve execution commutation action, making valve element return to initial bit.Detent mechanism is used for
After reversal valve execution commutation action, reversal valve is made to be fixed on working condition or the operation range of certain determination.In prior art,
Hand-operated direction valve is provided only with spring return mechanism or is provided only with detent mechanism.
As Chinese patent application (CN101936422A), in the positioning reset structure of invention entitled hand-operated direction valve, such as
Hand-operated direction valve in Fig. 1 a includes manual reverse of direction mechanism 1, sealing member 2, valve body 3, valve element 4, spring return mechanism 5, and spring is multiple
Position mechanism 5 includes left spring seat 19, right spring base 20 and back-moving spring 10；In this reversal valve, staff after manual reverse of direction
Decontrol manual reverse of direction mechanism, valve element in the presence of spring return mechanism, automatically reverts to home position, there are and cannot realize
The problem of valve element positioning.It is fixed that hand-operated direction valve in Fig. 1 b includes manual reverse of direction mechanism 1, sealing member 2, valve body 3, valve element 4, steel ball
Position mechanism 6, steel ball detent mechanism 6 includes locking ball 11, locating dowel 13；In this reversal valve, locating dowel 13 is provided with three road rings
Groove, this reversal valve can switch on three operation range, but due to positioning when locking ball be stuck in annular groove, put in staff
When opening manual reverse of direction mechanism, spring cannot make valve element be returned to home position；This reversal valve can achieve valve element in different operating shelves
Positioning function on position, but there are cannot automatically reset problem, and the hydraulic pressure latching valve block of traditional reversal valve using point
Open independent structure, structure disperses, weight increases, assembling link increases.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of commutation valve system of axial arrangement, is used for overcoming now
Some reset reversal valves cannot automatically reset, and the structure of mosaic of conventional radial distribution, it has not been convenient to processing, is susceptible to become because of valve pocket
The oil leak that shape causes and stuck problem.
The purpose of this utility model is achieved through the following technical solutions：
A kind of commutation valve system of axial arrangement, this system includes an operation handle, edge in the cavity of described operation handle
Axis is disposed with reversing valve core, commutation valve body and cutting ferrule from the inside to the outside, and described reversing valve core, commutation valve body are slidably matched peace
Dress, the front end of operation handle is provided with automatic-reset spring assembly, and described automatic-reset spring assembly is with cutting ferrule by draw-in groove even
Connect, described cutting ferrule is also machined with skewed slot and stopping means；The front end of commutation valve body be additionally provided with transition valve block and bidirectional hydraulic from
It is machined with the oil duct connecting, commutation valve body passes through oil duct and behaviour in locking-valve body, described transition valve block and bidirectional hydraulic latching valve body
Make handle bidirectional hydraulic foremost from lock set insertion；The contact surface with reversing valve core for the described commutation valve body is machined with many
Bar groove and hole, transition valve block is connected by pin with the hole of reversing valve core front end, by control operation handle, is moved by cutting ferrule band
Make displacement to valve element in reversal valve body, realize the switch operation of 3 position-5 way.
Described commutation valve body offers oil-in and oil return opening on the end face of transition valve block opposite side.
It is additionally provided with upper and lower actuator port on the front end face of described bidirectional hydraulic self-locking valve body.
Described groove is respectively five with the quantity in hole.
The front end of described operation handle is additionally provided with dust cap.
Compared with prior art, this utility model at least has advantages below：
By above-mentioned the technical solution of the utility model, the commutation valve system of this utility model axial arrangement is due to using multiple
Position spring as resetting means, using stopping means as telescopic spring positioner so that the valve element of reversal valve is certain
In stroke, there is auto-reset function, and handwheel can rotate three diverse locations, and cooperation valve pocket and valve stem contacts face add
Many bar grooves of work and hole, by control operation handle, drive reversing valve core to make displacement in reversal valve body by cutting ferrule, thus realizing
The switch operation of 3 position-5 way, and easy to operate, operating handle is good.The system is integrated with bidirectional hydraulic auto-lock function, by this
The hydraulic oil of system output can be done directly on oil cylinder and the piston of instrument, so that instrument is not bounced back in any position, with traditional footpath
Structure of mosaic to distribution is compared, and this apparatus structure is compact, lightweight, decrease assembling link, it is to avoid valve pocket is locked because of valve body
Tightly cause deformation, decrease the stuck of valve pocket and oil leakage phenomenon, make that rescue works are more stable, reliability, safety.
Brief description
Fig. 1 is a kind of structural representation of the commutation valve system of axial arrangement that this utility model provides.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model, the technical scheme in this utility model is carried out clearly and completely
Description is it is clear that described embodiment is only a part of embodiment of the present utility model, rather than whole embodiments.Base
Embodiment in this utility model, the institute that those of ordinary skill in the art are obtained under the premise of not making creative work
There is other embodiment, broadly fall into the scope of this utility model protection.
As shown in figure 1, a kind of commutation valve system of the axial arrangement proposing for this utility model embodiment, this system includes
One operation handle 1, is disposed with reversing valve core 2, commutation valve body 3 and card from the inside to the outside along axis in the cavity of operation handle 1
Set 4, reversing valve core 2, commutation valve body 3 are slidably installed, and the front end of operation handle 1 is provided with automatic-reset spring assembly 5, from
Dynamic return spring assembly 5 is connected by draw-in groove with cutting ferrule 4, and cutting ferrule 4 is also machined with skewed slot and stopping means 6；Commutation valve body 3
Front end is additionally provided with transition valve block 7 and bidirectional hydraulic self-locking valve body 8, the company of being machined with transition valve block 7 and bidirectional hydraulic self-locking valve body 8
Logical oil duct, commutation valve body 3 passes through oil duct with operation handle 1 bidirectional hydraulic foremost from lock set 9 insertion；In commutation valve body
3 with the contact surface of reversing valve core 2 on be machined with many bar grooves and hole, transition valve block 7 passes through pin company with the hole of reversing valve core 2 front end
Connect, by control operation handle 1, drive reversing valve core 2 to make displacement in commutation valve body 3 by cutting ferrule 4, realize changing of 3 position-5 way
To operation.
Further, commutation valve body 3 offers oil-in 10 and oil return opening 11 on the end face of transition valve block 7 opposite side.
And upper and lower actuator port 12 is additionally provided with the front end face of bidirectional hydraulic self-locking valve body 8.
In practical service environment, for realizing the switch operation of 3 position-5 way, the quantity that can be respectively provided with groove with hole is five
Individual.
Preferably, the front end of operation handle 1 is additionally provided with dust cap 13.
Compared with prior art, this utility model at least has advantages below：
By above-mentioned the technical solution of the utility model, the commutation valve system of this utility model axial arrangement is due to using multiple
Position spring as resetting means, using stopping means as telescopic spring positioner so that the valve element of reversal valve is certain
In stroke, there is auto-reset function, and handwheel can rotate three diverse locations, and cooperation valve pocket and valve stem contacts face add
Many bar grooves of work and hole, by control operation handle, drive reversing valve core to make displacement in reversal valve body by cutting ferrule, thus realizing
The switch operation of 3 position-5 way, and easy to operate, operating handle is good.The system is integrated with bidirectional hydraulic auto-lock function, by this
The hydraulic oil of system output can be done directly on oil cylinder and the piston of instrument, so that instrument is not bounced back in any position, with traditional footpath
Structure of mosaic to distribution is compared, and this apparatus structure is compact, lightweight, decrease assembling link, it is to avoid valve pocket is locked because of valve body
Tightly cause deformation, decrease the stuck of valve pocket and oil leakage phenomenon, make that rescue works are more stable, reliability, safety.
The above, only this utility model preferably specific embodiment, but protection domain of the present utility model is not
It is confined to this, any those familiar with the art, in the technical scope that this utility model discloses, can readily occur in
Change or replacement, all should cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should
It is defined by the protection domain of claims.
Claims (5)
1. a kind of axial arrangement commutation valve system it is characterised in that：This system includes an operation handle, described operation handle
It is disposed with reversing valve core, commutation valve body and cutting ferrule from the inside to the outside along axis, described reversing valve core, commutation valve body are slided in cavity
Dynamic cooperation is installed, and the front end of operation handle is provided with automatic-reset spring assembly, and described automatic-reset spring assembly is led to cutting ferrule
Cross draw-in groove to connect, described cutting ferrule is also machined with skewed slot and stopping means；The front end of commutation valve body is additionally provided with transition valve block and double
To hydraulic pressure self-locking valve body, described transition valve block passes through with being machined with the oil duct connecting, commutation valve body in bidirectional hydraulic latching valve body
Oil duct and operation handle bidirectional hydraulic foremost are from lock set insertion；On the contact surface with reversing valve core for the described commutation valve body
It is machined with many bar grooves and hole, transition valve block is connected by pin with the hole of reversing valve core front end, by control operation handle, by card
Cuff is moved reversing valve core and is made displacement in reversal valve body, realizes the switch operation of 3 position-5 way.
2. axial arrangement as claimed in claim 1 commutation valve system it is characterised in that：Described commutation valve body is in transition valve block
Oil-in and oil return opening are offered on the end face of opposite side.
3. axial arrangement as claimed in claim 1 commutation valve system it is characterised in that：Described bidirectional hydraulic self-locking valve body
Upper and lower actuator port is additionally provided with front end face.
4. axial arrangement as claimed in claim 1 commutation valve system it is characterised in that：Described groove is respectively with the quantity in hole
Five.
5. axial arrangement as claimed in claim 1 commutation valve system it is characterised in that：The front end of described operation handle also sets
There is dust cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620920592.3U CN205956446U (en) | 2016-08-23 | 2016-08-23 | Switching -over valve system of axial structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620920592.3U CN205956446U (en) | 2016-08-23 | 2016-08-23 | Switching -over valve system of axial structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205956446U true CN205956446U (en) | 2017-02-15 |
Family
ID=57977747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620920592.3U Expired - Fee Related CN205956446U (en) | 2016-08-23 | 2016-08-23 | Switching -over valve system of axial structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205956446U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223479A (en) * | 2018-01-31 | 2018-06-29 | 邹城市益凯德液压有限公司 | The high flow manual reversal valve of included overload protection |
-
2016
- 2016-08-23 CN CN201620920592.3U patent/CN205956446U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223479A (en) * | 2018-01-31 | 2018-06-29 | 邹城市益凯德液压有限公司 | The high flow manual reversal valve of included overload protection |
| CN108223479B (en) * | 2018-01-31 | 2024-03-29 | 山东益凯德液压股份有限公司 | Large-flow manual reversing valve with overload protection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20170215 Termination date: 20200823 |