CN205533542U - Cartridge formula hydraulic pressure lock - Google Patents
Cartridge formula hydraulic pressure lock Download PDFInfo
- Publication number
- CN205533542U CN205533542U CN201620343329.2U CN201620343329U CN205533542U CN 205533542 U CN205533542 U CN 205533542U CN 201620343329 U CN201620343329 U CN 201620343329U CN 205533542 U CN205533542 U CN 205533542U
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- CN
- China
- Prior art keywords
- piston
- hydraulic fluid
- fluid port
- valve
- lock
- 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 relates to a cartridge formula hydraulic pressure lock, it includes lock body (1), piston (2) and control valve (3), lock body (1) on be provided with left valve pocket, right valve pocket and a plurality of hydraulic fluid port, left valve pocket and right valve pocket respectively with different hydraulic fluid port intercommunications, left valve pocket and right valve pocket in equally divide and do not install control valve (3), it still includes piston bush (4) and piston spacer (5), piston bush (4) the cooperation install in the cavity of lock body (1), piston (2) cooperation install in piston bush (4), and piston (2) both ends pass through push rod and control valve (3) contact, piston spacer (5) set up between piston bush (4) and control valve (3). The utility model has the advantages of it is low that low in production cost, lock body can select suitable material wide range, machining precision requirement.
Description
Technical field
This utility model relates to technical field of hydraulic elements, particularly a kind of plug-in hydraulic lock.
Background technology
Bidirectional hydraulic lock is widely used in the hydraulic control systems such as machine tool hydraulic station, construction machinery hydraulic system, Agricultural Machinery Hydraulic Systems, handling machinery, it is mainly used to prevent actuator from misoperation occurring under the effect of external force, when its operation principle is an oil pocket forward oil-feed, another chamber is the most fuel-displaced, vice versa, when two chamber forward not oil-feeds, the most obstructed, do not disturbed by external load, play the effect of lock.It is typically to import and export one bidirectional hydraulic lock of concatenation, so that no matter actuator is parked in any position and can keep in actuator (oil cylinder and motor etc.).It typically uses one-way valve structures, is installed on inside lock body by spool, and is pushed open left and right valve realized the break-make of oil circuit by piston moving back and forth in lock body.But, in prior art, piston slides in lock body piston hole, it is desirable to the machining accuracy of lock body piston hole is high, and the material of lock body is had heat treatment requirements；The lock body processing technology of this structure requires height, and production cost is high, after leakage occurs, and later maintenance difficulty.
Utility model content
The purpose of this utility model is to overcome the shortcoming of prior art, it is provided that a kind of production cost is low, be easy to making and the plug-in hydraulic lock safeguarded.
The purpose of this utility model is achieved through the following technical solutions: a kind of plug-in hydraulic lock, it includes lock body, piston and control valve, left valve pocket it is provided with on described lock body, right valve chamber and multiple hydraulic fluid port, described left valve pocket connects from different hydraulic fluid ports respectively with right valve chamber, in described left valve pocket and right valve chamber, control valve is installed respectively, it also includes piston bushing and piston spacer, in described piston bushing coordinates the cavity being arranged on lock body, described piston cooperation is arranged in piston bushing, and piston two ends are contacted with control valve by push rod, described piston spacer is arranged between piston bushing and control valve.
Preferably, described hydraulic fluid port includes that the first hydraulic fluid port, the second hydraulic fluid port, the 3rd hydraulic fluid port and the 4th hydraulic fluid port, described left valve pocket connect with the first hydraulic fluid port and the 3rd hydraulic fluid port respectively, and described right valve chamber connects with the second hydraulic fluid port and the 4th hydraulic fluid port respectively.
Preferably, the first described hydraulic fluid port and the second hydraulic fluid port are the most right with piston spacer.
Preferably, described control valve is check valve, it includes spring base, valve body, spool and spring, described spring base cooperation is arranged in valve pocket, described valve body cooperation mounts elastically, in described spool coordinates the cavity being arranged on valve body, one end of described spring is fixed on spring base, and the other end of spring is fixed on spool.
Preferably, described piston spacer is provided with radial direction through hole.
Preferably, the outside of described piston spacer is provided with cannelure.
Preferably, it is provided with sealing member between described piston and piston bushing.
This utility model has the advantage that the piston in this utility model does not directly contact with lock body, but between piston with lock body, devise corresponding piston bushing and piston spacer structure, piston bushing itself is easy to make, the highest machining accuracy can be reached, thus reduce machining accuracy own to lock body and the requirement of the strength of materials, lock body can use the easily rapidoprint such as aluminum, casting pig to carry out manufacturing system integrated package, reduces processing cost and the requirement to processing technique；And when leakage problem occurring after piston bushing and piston spacer life-time service, it is simple to keep in repair and change, for traditional structure needs entirety maintenance lock body, reduce maintenance cost.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation in detailed description of the invention 1；
Fig. 2 is this utility model structural representation in detailed description of the invention 2；
Fig. 3 is fundamental diagram of the present utility model；
In figure: 1-lock body, 11-the first hydraulic fluid port, 12-the second hydraulic fluid port, 13-the 3rd hydraulic fluid port, 14-the 4th hydraulic fluid port, 2-piston, 3-control valve, 31-spring base, 32-valve body, 33-spool, 34-spring, 4-piston bushing, 5-piston spacer, 51-radial direction through hole, 52-cannelure, 6-sealing member.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described, but protection domain of the present utility model is not limited to the following stated.
[detailed description of the invention 1]
As shown in figures 1 and 3, a kind of plug-in hydraulic lock, it includes lock body 1, piston 2, control valve 3, piston bushing 4 and piston spacer 5, and lock body 1 can use the easily rapidoprint such as aluminum, casting pig to make, and the highest to the strength of materials and requirement on machining accuracy.
Being provided with left valve pocket, right valve chamber, the first hydraulic fluid port the 11, second hydraulic fluid port the 12, the 3rd hydraulic fluid port 13 and the 4th hydraulic fluid port 14 on described lock body 1, left valve pocket connects with the first hydraulic fluid port 11 and the 3rd hydraulic fluid port 13 respectively, and right valve chamber connects with the second hydraulic fluid port 12 and the 4th hydraulic fluid port 14 respectively.Being provided with control valve 3 in described left valve pocket and right valve chamber respectively, control valve 3 is 08-02 check valve, and it includes spring base 31, valve body 32, spool 33 and spring 34；Described spring base 31 cooperation is arranged in valve pocket, it is provided with sealing device between spring base 31 and valve pocket, valve body 32 cooperation is arranged on spring base 31, the front end outer side of valve body 32 coordinates installation with valve pocket, and it is provided with sealing device at cooperation face, in described spool 33 coordinates the cavity being arranged on valve body 32, one end of described spring 34 is fixed on spring base 31, and the other end of spring 34 is fixed on spool 33.In described piston bushing 4 coordinates the cavity being arranged on lock body 1, piston 2 cooperation is arranged in piston bushing 4, and piston 2 two ends are contacted with control valve 3 by push rod, described piston spacer 5 is arranged between piston bushing 4 and control valve 3, and piston spacer 5 is the most right with the first hydraulic fluid port 11 and the second hydraulic fluid port 12, being provided with radial direction through hole 51 on piston spacer 5, the outside of piston spacer 5 is provided with cannelure 52.
[detailed description of the invention 2]
The difference of this detailed description of the invention and detailed description of the invention 1 is: be additionally provided with sealing member 6 between described piston 2 and piston bushing 4, its structure as in figure 2 it is shown, its operation principle as shown in Figure 3.
Work process of the present utility model is as follows:
When first hydraulic fluid port the 11, second hydraulic fluid port 12 does not has pressure, the spool 33 of check valve 3 is pressed in the front end of valve body 32 under spring 34 acts on, 3rd hydraulic fluid port the 13, the 4th hydraulic fluid port 14 disconnects with first hydraulic fluid port the 11, second hydraulic fluid port 12 respectively, keeps the 3rd hydraulic fluid port 13 and the pressure of the 4th hydraulic fluid port 14；
When the first hydraulic fluid port 11 cut-in pressure oil, when the fuel tank of the second hydraulic fluid port 12 connection does not has pressure, under the effect of pressure oil, piston 2 moves right, its push rod pushes the spool 33 of right-hand member check valve 3 open, 4th hydraulic fluid port 14 and the second hydraulic fluid port 12 connect oil sump tank, and the spool 33 of left end check valve 3 pushed open by the pressure oil of the first hydraulic fluid port 11, flows to the 3rd hydraulic fluid port 13；
When the second hydraulic fluid port 12 cut-in pressure oil, when the fuel tank of the first hydraulic fluid port 11 connection does not has pressure, under the effect of pressure oil, Double-hydraulic lock piston 4 is moved to the left, its push rod pushes the spool 33 of left end check valve 3 open, 3rd hydraulic fluid port 13 and the first hydraulic fluid port 11 connect oil sump tank, and the spool 33 of right-hand member check valve 3 pushed open by the pressure oil of the second hydraulic fluid port 12, flows to the 4th hydraulic fluid port 14.
Claims (7)
1. a plug-in hydraulic lock, it includes lock body (1), piston (2) and control valve (3), it is provided with left valve pocket on described lock body (1), right valve chamber and multiple hydraulic fluid port, described left valve pocket connects from different hydraulic fluid ports respectively with right valve chamber, control valve (3) is installed in described left valve pocket and right valve chamber respectively, it is characterized in that: it also includes piston bushing (4) and piston spacer (5), in described piston bushing (4) coordinates the cavity being arranged on lock body (1), described piston (2) cooperation is arranged in piston bushing (4), and piston (2) two ends are contacted with control valve (3) by push rod, described piston spacer (5) is arranged between piston bushing (4) and control valve (3).
A kind of plug-in hydraulic lock the most according to claim 1, it is characterized in that: described hydraulic fluid port includes the first hydraulic fluid port (11), the second hydraulic fluid port (12), the 3rd hydraulic fluid port (13) and the 4th hydraulic fluid port (14), described left valve pocket connects with the first hydraulic fluid port (11) and the 3rd hydraulic fluid port (13) respectively, and described right valve chamber connects with the second hydraulic fluid port (12) and the 4th hydraulic fluid port (14) respectively.
A kind of plug-in hydraulic lock the most according to claim 2, it is characterised in that: described the first hydraulic fluid port (11) and the second hydraulic fluid port (12) are the most right with piston spacer (5).
A kind of plug-in hydraulic lock the most according to claim 1, it is characterized in that: described control valve (3) is check valve, it includes spring base (31), valve body (32), spool (33) and spring (34), described spring base (31) cooperation is arranged in valve pocket, described valve body (32) cooperation is arranged on spring base (31), in described spool (33) coordinates the cavity being arranged on valve body (32), one end of described spring (34) is fixed on spring base (31), and the other end of spring (34) is fixed on spool (33).
A kind of plug-in hydraulic lock the most according to claim 1, it is characterised in that: it is provided with radial direction through hole (51) on described piston spacer (5).
A kind of plug-in hydraulic lock the most according to claim 1, it is characterised in that: the outside of described piston spacer (5) is provided with cannelure (52).
A kind of plug-in hydraulic lock the most according to claim 1, it is characterised in that: it is provided with sealing member (6) between described piston (2) and piston bushing (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620343329.2U CN205533542U (en) | 2016-04-22 | 2016-04-22 | Cartridge formula hydraulic pressure lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620343329.2U CN205533542U (en) | 2016-04-22 | 2016-04-22 | Cartridge formula hydraulic pressure lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205533542U true CN205533542U (en) | 2016-08-31 |
Family
ID=56796966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620343329.2U Expired - Fee Related CN205533542U (en) | 2016-04-22 | 2016-04-22 | Cartridge formula hydraulic pressure lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205533542U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757051A (en) * | 2016-04-22 | 2016-07-13 | 青神格林维尔流体动力控制技术有限公司 | Plug-in type hydraulic lock |
-
2016
- 2016-04-22 CN CN201620343329.2U patent/CN205533542U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757051A (en) * | 2016-04-22 | 2016-07-13 | 青神格林维尔流体动力控制技术有限公司 | Plug-in type hydraulic lock |
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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 |
Granted publication date: 20160831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |