CN209523936U - Local derviation jet stream electrohydraulic servo valve - Google Patents
Local derviation jet stream electrohydraulic servo valve Download PDFInfo
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- CN209523936U CN209523936U CN201920134263.XU CN201920134263U CN209523936U CN 209523936 U CN209523936 U CN 209523936U CN 201920134263 U CN201920134263 U CN 201920134263U CN 209523936 U CN209523936 U CN 209523936U
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- valve body
- rod
- baffle
- wall
- electrohydraulic servo
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Abstract
Local derviation jet stream electrohydraulic servo valve, the utility model relates to electrohydraulic servo valve technical fields, including valve body, the valve body is internally provided with driving coil, the driving coil is internally provided with GMM rod, one end of the GMM rod is provided with output rod, one end of the output rod is provided with baffle, the baffle and valve body are rotatablely connected, the bottom of the baffle is provided with push rod, the first spring is provided on the side outer wall of the push rod, one end on first spring far from push rod is provided with rubber ring, the inside of the valve body is provided with slide valve at a side position of push rod, the utility model passes through the first spring, first washer and second packing ring can effectively guarantee the compactness contacted between pressing plate and push rod, avoiding the problem that rubbing for a long time causes abrasion to influence compactness, it improves close inside electrohydraulic servo valve, In addition, can also be replaced upon wear by rubber ring, replacement cost is reduced.
Description
Technical field
The utility model belongs to electrohydraulic servo valve technical field, and in particular to local derviation jet stream electrohydraulic servo valve.
Background technique
Electrohydraulic servo valve is the core component of oil motor, and electric signal is received by it and is controlled into the more of oil cylinder oil stream
It is few.
But the existing local derviation jet stream electrohydraulic servo valve of existing market in long-time after be easy to cause internal element
Abrasion, to cause the untight problem of subsequent reset contact surface, it is difficult to guarantee that local derviation jet stream electrohydraulic servo valve inner stream flow is cut
Disconnected stabilization, in addition, since local derviation jet stream electrohydraulic servo valve is frequently necessary to reset after adjustment, few effective alarm after reset
Device.
Utility model content
The purpose of this utility model is to provide local derviation jet stream electrohydraulic servo valves, and to solve, existing local derviation jet stream is electro-hydraulic to be watched
Take valve internal element it is easy to wear and but understatement alarm device the problem of.
To achieve the above object, the utility model provides the following technical solutions: local derviation jet stream electrohydraulic servo valve, including valve
Body, the valve body are internally provided with driving coil, and the driving coil is internally provided with GMM rod, one end of the GMM rod
It is provided with output rod, one end of the output rod is provided with baffle, and the baffle and valve body are rotatablely connected, the bottom of the baffle
It is provided with push rod, the first spring is provided on the side outer wall of the push rod, one end far from push rod is set on first spring
It is equipped with rubber ring, the inside of the valve body is provided with slide valve at a side position of push rod, on the side outer wall of the slide valve
Pressing plate is rotatably connected to by shaft.
Preferably, it is provided with limit plate at the top of the valve body, passes through sliding block and cunning on the side outer wall of the limit plate
Slot slidably connects ball base, and the second ball, separate feedback rod on the baffle are embedded on the side outer wall of the ball base
Side outer wall on be provided with bull stick, one end of the bull stick is embedded with the first ball, and the top of the valve body is close to limit plate
A side position at be provided with buzzer, the buzzer is internally provided with controller, and the buzzer and controller are electrical
Connection.
Preferably, the first washer and the second pad are provided on the side outer wall of the slide valve at a side position of pressing plate
Circle, first washer are located at the side of second packing ring.
Preferably, it is provided with protective cover on the side outer wall of the limit plate, is arranged on the side inner wall of the protective cover
There is pressure sensor, second spring, the pressure sensor and controller are provided between the pressure sensor and ball base
It is electrically connected.
Preferably, the inside of the valve body is provided with nozzle at a side position of baffle, and the limit plate is arc
Structure.
The utility model compared with prior art, has the advantages that
(1) the utility model is provided with the first spring, rubber ring, the first washer, second packing ring and pressing plate, when in use,
It can effectively guarantee the compactness contacted between pressing plate and push rod by the first spring, the first washer and second packing ring, avoid
Friction for a long time causes the problem of abrasion influence compactness, close inside raising electrohydraulic servo valve, in addition, passing through rubber ring
It can be replaced upon wear, reduce replacement cost.
(2) the utility model is provided with bull stick, the first ball, the second ball, second spring, pressure sensor and ball
Seat, when in use, by the first ball and the second ball come into full contact with reset to guaranteeing baffle after completing to adjust it is initial
Position, improves the precision of reset, and ensure that the alert capability of electrohydraulic servo valve, avoids resetting and insufficient inner stream flow is caused to let out
The problem of dew.
Detailed description of the invention
Fig. 1 is the front view of the utility model；
Fig. 2 is enlarged drawing at the A of the utility model；
Fig. 3 is enlarged drawing at the B of the utility model；
In figure: 1- slide valve, 2- nozzle, 3- baffle, 4- limit plate, 5- bull stick, 6- controller, 7- buzzer, 8- output rod,
9- driving coil, 10-GMM stick, 11- valve body, 12- feedback rod, 13- push rod, the first spring of 14-, 15- rubber ring, 16- first are padded
Circle, 17- second packing ring, 18- pressing plate, the first ball of 19-, the second ball of 20-, 21- protective cover, 22- second spring, 23- pressure
Sensor, 24- ball base.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It please refers to shown in Fig. 1-Fig. 3, the utility model provides the following technical solutions: local derviation jet stream electrohydraulic servo valve, including
Valve body 11, valve body 11 are internally provided with driving coil 9, and driving coil 9 is internally provided with GMM rod 10, one end of GMM rod 10
It is provided with output rod 8, one end of output rod 8 is provided with baffle 3, and baffle 3 and valve body 11 are rotatablely connected, the bottom setting of baffle 3
There is push rod 13, play the role of pushing slide valve 1, be provided with the first spring 14 on the side outer wall of push rod 13, on the first spring 14
One end far from push rod 13 is provided with rubber ring 15, avoids push rod 13 and pressing plate 18 from wearing, guarantees the compactness of contact surface, valve body
11 inside is provided with slide valve 1 at a side position of push rod 13, is rotatably connected on the side outer wall of slide valve 1 by shaft
Pressing plate 18.
In order to guarantee the precision resetted, in the present embodiment, it is preferred that the top of valve body 11 is provided with limit plate 4, limit plate
Ball base 24 is slidably connected by sliding block and sliding slot on 4 side outer wall, is embedded with second on the side outer wall of ball base 24
Ball 20 is provided with bull stick 5 on the side outer wall on baffle 3 far from feedback rod 12, and one end of bull stick 5 is embedded with the first ball
19, the top of valve body 11 is provided with buzzer 7 at a side position of limit plate 4, and buzzer 7 is internally provided with controller
6, buzzer 7 and controller 6 are electrically connected, and controller 6 uses the voltage rating of HST-42 controller for 110-220V, and power is
0.004KW, speed responsive frequency are 5KHZ.
In order to guarantee the close of contact surface, in the present embodiment, it is preferred that close to pressing plate 18 on the side outer wall of slide valve 1
The first washer 16 and second packing ring 17 are provided at one side position, the first washer 16 is located at the side of second packing ring 17.
It alarms to play the role of resetting, in the present embodiment, it is preferred that be provided with guarantor on the side outer wall of limit plate 4
Shield 21 is provided with pressure sensor 23 on the side inner wall of protective cover 21, is arranged between pressure sensor 23 and ball base 24
There is second spring 22, pressure sensor 23 and controller 6 are electrically connected, and pressure sensor 23 uses WH131 pressure sensor, defeated
Model range is 4-20mA out.
For the ease of the flowing of flow, in the present embodiment, it is preferred that a side position of the inside of valve body 11 close to baffle 3
Place is provided with nozzle 2, and limit plate 4 is arcuate structure.
The working principle and process for using of the utility model: when in use, driving coil 9 makes the utility model after being powered
GMM rod 10 drives 8 transverse shifting of output rod, and output rod 8 pushes baffle 3 to rotate, and when baffle 3 rotates, baffle 3 passes through feedback rod
12 drive push rod 13 to rotate, and push rod 13 pushes slide valve 1 to move horizontally during rotation, extruding or pine of the nozzle 2 in baffle 3
Opening down makes traffic flow, and in 13 rotation process of push rod, rubber ring 15 and 18 extrusion friction of pressing plate, the first spring 14 are forced
Contracting is in close contact rubber ring 15 and pressing plate 18 by the elastic deformation of the first spring 14, the first washer 16 and second packing ring 17
Also support is provided for pressing plate 18, after completing valve regulated, baffle 3 resets under the driving of GMM rod 10, and baffle 3 drives 5 turns of bull stick
Dynamic, when first ball 19 of 5 one end of bull stick and 20 time of contact of the second ball reach setting value, controller 6 receives signal
After buzzer 7 will not be allowed to issue alarm, when first ball 19 and the second ball 20 of 5 one end of bull stick do not come into full contact with, second
The extruding force that ball 20 is subject to is insufficient, and when the pressure value that pressure sensor 23 is subject to is lower than setting value, buzzer 7 issues alarm
Sound, personnel convenient for safeguarding safeguard, prevent electrohydraulic servo valve inner stream flow from blocking halfway problem.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. local derviation jet stream electrohydraulic servo valve, including valve body (11), the valve body (11) is internally provided with driving coil (9), institute
Being internally provided with GMM rod (10) for driving coil (9) is stated, one end of the GMM rod (10) is provided with output rod (8), described defeated
One end of rod (8) is provided with baffle (3), and the baffle (3) and valve body (11) are rotatablely connected, it is characterised in that: the baffle
(3) bottom is provided with push rod (13), is provided with the first spring (14) on the side outer wall of the push rod (13), first bullet
One end on spring (14) far from push rod (13) is provided with rubber ring (15), and the inside of the valve body (11) is close to the one of push rod (13)
It is provided at side position slide valve (1), pressing plate (18) is rotatably connected to by shaft on the side outer wall of the slide valve (1).
2. local derviation jet stream electrohydraulic servo valve according to claim 1, it is characterised in that: the top of the valve body (11) is arranged
Have limit plate (4), is slidably connected ball base (24) on the side outer wall of the limit plate (4) by sliding block and sliding slot, it is described
It is embedded on the side outer wall of ball base (24) the second ball (20), outside the side on the baffle (3) far from feedback rod (12)
It is provided on wall bull stick (5), one end of the bull stick (5) is embedded with the first ball (19), and the top of the valve body (11) is close
It is provided at one side position of limit plate (4) buzzer (7), being internally provided with controller (6) for the buzzer (7) is described
Buzzer (7) and controller (6) are electrically connected.
3. local derviation jet stream electrohydraulic servo valve according to claim 1, it is characterised in that: the side outer wall of the slide valve (1)
It is upper to be provided with the first washer (16) and second packing ring (17), the first washer (16) position at a side position of pressing plate (18)
In the side of second packing ring (17).
4. local derviation jet stream electrohydraulic servo valve according to claim 2, it is characterised in that: outside the side of the limit plate (4)
It is provided on wall protective cover (21), is provided with pressure sensor (23), the pressure on the side inner wall of the protective cover (21)
It is provided between sensor (23) and ball base (24) second spring (22), the pressure sensor (23) and controller (6) electricity
Property connection.
5. local derviation jet stream electrohydraulic servo valve according to claim 2, it is characterised in that: the inside of the valve body (11) is close
It is provided at one side position of baffle (3) nozzle (2), the limit plate (4) is arcuate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920134263.XU CN209523936U (en) | 2019-01-26 | 2019-01-26 | Local derviation jet stream electrohydraulic servo valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920134263.XU CN209523936U (en) | 2019-01-26 | 2019-01-26 | Local derviation jet stream electrohydraulic servo valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209523936U true CN209523936U (en) | 2019-10-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920134263.XU Active CN209523936U (en) | 2019-01-26 | 2019-01-26 | Local derviation jet stream electrohydraulic servo valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209523936U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110905878A (en) * | 2019-10-29 | 2020-03-24 | 中国航空工业集团公司西安飞行自动控制研究所 | Pressure-mounting type front-stage deflection plate jet flow servo valve |
-
2019
- 2019-01-26 CN CN201920134263.XU patent/CN209523936U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110905878A (en) * | 2019-10-29 | 2020-03-24 | 中国航空工业集团公司西安飞行自动控制研究所 | Pressure-mounting type front-stage deflection plate jet flow servo valve |
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