CN206816920U - A kind of electrohydraulic proportional velocity regulating valve - Google Patents
A kind of electrohydraulic proportional velocity regulating valve Download PDFInfo
- Publication number
- CN206816920U CN206816920U CN201720745466.3U CN201720745466U CN206816920U CN 206816920 U CN206816920 U CN 206816920U CN 201720745466 U CN201720745466 U CN 201720745466U CN 206816920 U CN206816920 U CN 206816920U
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- CN
- China
- Prior art keywords
- cavity
- valve
- limit spring
- velocity regulating
- electrohydraulic proportional
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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.)
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Abstract
The utility model discloses a kind of electrohydraulic proportional velocity regulating valve, including valve body, ring flange and proportion electro-magnet, the valve body is threadedly coupled with proportion electro-magnet by ring flange, the valve body upper end is provided with oil inlet pipe, the first cavity and the second cavity are arranged with parallel along oil inlet pipe down direction, uniform-pressure-drop valve is provided between first cavity and the second cavity, and the first cavity and the second cavity are separated in the middle part of uniform-pressure-drop valve, limit spring one is provided between the uniform-pressure-drop valve and the second cavity, and one end of limit spring one is connected with one end of uniform-pressure-drop valve, the other end is connected with the inwall of the second cavity, throttling chamber is provided with below first cavity and the second cavity.This kind of electrohydraulic proportional velocity regulating valve is simple in construction, easy to use, and the ring flange on electrohydraulic proportional velocity regulating valve can effectively reduce the situation of push rod leakage caused by motion process, extends the service life of electrohydraulic proportional velocity regulating valve, cost-effective.
Description
【Technical field】
A kind of flow speed control valve is the utility model is related to, more particularly to a kind of electrohydraulic proportional velocity regulating valve.
【Background technology】
Electrohydraulic proportional velocity regulating valve is to change the aperture of valve element, realization pair by controlling the electric current in ratio electromagnet coil
The continuous proportional control of output flow.Existing electrohydraulic proportional velocity regulating valve is in use often in pushrod movement process
In take the liquid of part out of, there is the situation of leakage, both have impact on the service life of the device, can cause to waste again.Therefore, I
Propose a kind of electrohydraulic proportional velocity regulating valve.
【Utility model content】
Main purpose of the present utility model is to provide a kind of electrohydraulic proportional velocity regulating valve, the flange on electrohydraulic proportional velocity regulating valve
Disk can effectively reduce the situation of push rod leakage caused by motion process, can effectively solve asking in background technology
Topic.
To achieve the above object, the technical scheme that the utility model is taken is：
A kind of electrohydraulic proportional velocity regulating valve, including valve body, ring flange and proportion electro-magnet, the valve body lead to proportion electro-magnet
Ring flange threaded connection is crossed, the valve body upper end is provided with oil inlet pipe, the first cavity is arranged with parallel along oil inlet pipe down direction
With the second cavity, uniform-pressure-drop valve is provided between the first cavity and the second cavity, and by the first cavity in the middle part of uniform-pressure-drop valve
Separated with the second cavity, limit spring one, and the one of limit spring one are provided between the uniform-pressure-drop valve and the second cavity
End is connected with one end of uniform-pressure-drop valve, and the other end is connected with the inwall of the second cavity, first cavity and the second cavity
Lower section be provided with throttling chamber, the throttling intracavitary is provided with throttle valve core, the throttle valve core and throttling cavity wall it
Between the homonymy of limit spring one is provided with limit spring two, and one end of limit spring two is fixedly connected with throttle valve core, separately
One end is connected with throttling cavity wall, and the one end of the throttle valve core away from limit spring two is connected with push rod, the push rod
The other end is connected with proportion electro-magnet, and the bottom of the throttling chamber is provided with flowline and rushes down oil pipe, and rushes down oil pipe and be arranged on
The lower position of limit spring two, offers through hole in the ring flange, and the lower end of the through hole is provided with interior notch board, it is described in
The bottom of notch board is connected with drainage tube, and the drainage tube is connected with the flowline.
Further, the throttling chamber upper end is provided with the 3rd cavity, and first cavity and the second cavity pass through oil
The cavitys of Lu Guanyu the 3rd are connected.
Further, the side of the flowline is provided with oil pipe, and the oil pipe is connected with the second cavity.
Further, the port of export for rushing down oil pipe is connected with end cap, and end cap and the port of export for rushing down oil pipe
Size matches.
Further, the size of the through hole matches with the size of push rod.
Compared with prior art, the utility model has the advantages that：This kind of electrohydraulic proportional velocity regulating valve is simple in construction,
Easy to use, the ring flange on electrohydraulic proportional velocity regulating valve can effectively reduce the feelings of push rod leakage caused by motion process
Condition, extend the service life of electrohydraulic proportional velocity regulating valve, it is cost-effective.
【Brief description of the drawings】
Fig. 1 is a kind of overall structure diagram of electrohydraulic proportional velocity regulating valve of the utility model.
Fig. 2 is a kind of electrohydraulic proportional velocity regulating valve upper flange plate structural representation of the utility model.
In figure：1st, valve body；2nd, ring flange；3rd, proportion electro-magnet；4th, oil inlet pipe；5th, the first cavity；6th, the second cavity；7th, it is fixed
Difference pressure-reducing valve；8th, limit spring one；9th, throttle chamber；10th, throttle valve core；11st, limit spring two；12nd, push rod；13rd, flowline；
14th, oil pipe is rushed down；15th, through hole；16th, interior notch board；17th, drainage tube；18th, the 3rd cavity；19th, oil-way pipe；20th, oil pipe；21st, plug fills
Put.
【Embodiment】
Technological means, creation characteristic, reached purpose and effect to realize the utility model are easy to understand, below
With reference to embodiment, the utility model is expanded on further.
As shown in Figure 1-2, the utility model provides a kind of electrohydraulic proportional velocity regulating valve, including valve body 1, ring flange 2 and ratio
Electromagnet 3, the valve body 1 are threadedly coupled with proportion electro-magnet 3 by ring flange 2, and the upper end of valve body 1 is provided with oil inlet pipe 4,
The first cavity 5 and the second cavity 6 are arranged with parallel along the down direction of oil inlet pipe 4, are set between the first cavity 5 and the second cavity 6
There is a uniform-pressure-drop valve 7, and the middle part of uniform-pressure-drop valve 7 separates the first cavity 5 and the second cavity 6, the uniform-pressure-drop valve 7 and the
Limit spring 1 is provided between two cavitys 6, and one end of limit spring 1 is connected with one end of uniform-pressure-drop valve 7, separately
One end is connected with the inwall of the second cavity 6, and the lower section of the cavity 6 of the first cavity 5 and second is provided with throttling chamber 9, the section
Be provided with throttle valve core 10 in stream chamber 9, between the throttle valve core 10 and the throttling inwall of chamber 9 with the homonymy of limit spring 1
Limit spring 2 11 is provided with, and one end of limit spring 2 11 is fixedly connected with throttle valve core 10, the other end and throttling chamber 9
Inwall is connected, and the described one end of throttle valve core 10 away from limit spring 2 11 is connected with push rod 12, the push rod 12 it is another
End is connected with proportion electro-magnet 3, and the bottom of the throttling chamber 9 is provided with flowline 13 and rushes down oil pipe 14, and rushes down oil pipe 14 and set
The lower position in limit spring 2 11 is put, offers through hole 15 in the ring flange 2, in the lower end of the through hole 15 is provided with
Notch board 16, the bottom of the interior notch board 16 are connected with drainage tube 17, and the drainage tube 17 is connected with the flowline 13.
Wherein, throttling chamber 9 upper end is provided with the 3rd cavity 18, and the cavity 6 of the first cavity 5 and second passes through oil
Road pipe 19 is connected with the 3rd cavity 18, ensures that the pressure differential before and after throttle valve core 10 is definite value.
Wherein, the side of the flowline 13 is provided with oil pipe 20, and the oil pipe 20 is connected with the second cavity 6, used
The hydraulic oil that oil pipe 13 flows out is flowed into the second cavity 6 by oil pipe 20, and different electric power corresponds to different output flows.
Wherein, the port of export for rushing down oil pipe 14 is connected with end cap 21, and end cap 21 is with rushing down going out for oil pipe 14
Mouth end size matches, and end cap 21 plays a part of sealing and rushes down oil pipe 14, and when needing to rush down oil, end cap 21 is removed
Oil can be rushed down.
Wherein, the size of the through hole 15 matches with the size of push rod 12.
When in use, input electrical signal controls the push rod 12 of proportion electro-magnet 3 to promote choke valve valve to the utility model
Core 10, liquid enter the first cavity 5 from oil inlet pipe 4, from going out after the cavity 18 of oil-way pipe 19 and the 3rd and throttling chamber 9 throttle
Oil pipe 13 flows out, and because the electric signal of input is different, then the magnetic force of proportion electro-magnet 3 is of different sizes, therefore the stress of push rod 12
After difference, with the stress balance of limit spring 2 11 of the left end of throttle valve core 10, different restriction apertures is just had, in push rod
A part of liquid can be taken out of during 12 motions, the situation of leakage occur, thus on ring flange 2 on open up interior notch board
16, notch board 16 in liquid runs down can be made to be flowed into drainage tube 17, flowline 13 is incorporated into through drainage tube 17, avoids leakage
Situation.
Design advantage of the present utility model is：Ring flange on electrohydraulic proportional velocity regulating valve can effectively reduce push rod and exist
The situation of leakage caused by motion process, extend the service life of electrohydraulic proportional velocity regulating valve, it is cost-effective.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (5)
1. a kind of electrohydraulic proportional velocity regulating valve, including valve body (1), ring flange (2) and proportion electro-magnet (3), it is characterised in that：It is described
Valve body (1) is threadedly coupled with proportion electro-magnet (3) by ring flange (2), and valve body (1) upper end is provided with oil inlet pipe (4), edge
Oil inlet pipe (4) down direction is arranged with the first cavity (5) and the second cavity (6), the first cavity (5) and the second cavity (6) in parallel
Between be provided with uniform-pressure-drop valve (7), and the first cavity (5) and the second cavity (6) are separated in the middle part of uniform-pressure-drop valve (7), institute
State and limit spring one (8) is provided between uniform-pressure-drop valve (7) and the second cavity (6), and one end of limit spring one (8) is with determining
One end of difference pressure-reducing valve (7) is connected, and the other end is connected with the inwall of the second cavity (6), first cavity (5) and the second chamber
Throttling chamber (9) is provided with below body (6), throttle valve core (10), the throttle valve core are provided with the throttling chamber (9)
(10) limit spring one (8) homonymy is provided with limit spring two (11), and limit spring two between throttling chamber (9) inwall
(11) one end is fixedly connected with throttle valve core (10), and the other end is connected with throttling chamber (9) inwall, the throttle valve core
(10) one end away from limit spring two (11) is connected with push rod (12), the other end and proportion electro-magnet of the push rod (12)
(3) it is connected, the bottom of the throttling chamber (9) is provided with flowline (13) and rushes down oil pipe (14), and rushes down oil pipe (14) and be arranged on
The lower position of limit spring two (11), the ring flange (2) is interior to offer through hole (15), and the lower end of the through hole (15) is set
There is interior notch board (16), the bottom of the interior notch board (16) is connected with drainage tube (17), the drainage tube (17) and the flowline
(13) it is connected.
2. electrohydraulic proportional velocity regulating valve according to claim 1, it is characterised in that：Described throttling chamber (9) upper end is provided with the
Three cavitys (18), first cavity (5) and the second cavity (6) are connected by oil-way pipe (19) with the 3rd cavity (18).
3. electrohydraulic proportional velocity regulating valve according to claim 1, it is characterised in that：The side of the flowline (13) is provided with
Oil pipe (20), the oil pipe (20) are connected with the second cavity (6).
4. electrohydraulic proportional velocity regulating valve according to claim 1, it is characterised in that：The port of export connection for rushing down oil pipe (14)
There is end cap (21), and end cap (21) matches with rushing down the port of export size of oil pipe (14).
5. electrohydraulic proportional velocity regulating valve according to claim 1, it is characterised in that：The size and push rod of the through hole (15)
(12) size matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720745466.3U CN206816920U (en) | 2017-06-26 | 2017-06-26 | A kind of electrohydraulic proportional velocity regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720745466.3U CN206816920U (en) | 2017-06-26 | 2017-06-26 | A kind of electrohydraulic proportional velocity regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206816920U true CN206816920U (en) | 2017-12-29 |
Family
ID=60762135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720745466.3U Expired - Fee Related CN206816920U (en) | 2017-06-26 | 2017-06-26 | A kind of electrohydraulic proportional velocity regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206816920U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612692A (en) * | 2018-05-14 | 2018-10-02 | 江苏理工学院 | Dual spring pressure compensation speed governing valve |
| CN108869849A (en) * | 2018-09-12 | 2018-11-23 | 苏州丹顿机电有限公司 | A kind of electromagnetism check valve in adjustable cutoff direction |
| CN111271494A (en) * | 2019-11-28 | 2020-06-12 | 佛山市奥达金属制品有限公司 | Double-oil seal speed regulating valve |
-
2017
- 2017-06-26 CN CN201720745466.3U patent/CN206816920U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612692A (en) * | 2018-05-14 | 2018-10-02 | 江苏理工学院 | Dual spring pressure compensation speed governing valve |
| CN108869849A (en) * | 2018-09-12 | 2018-11-23 | 苏州丹顿机电有限公司 | A kind of electromagnetism check valve in adjustable cutoff direction |
| CN111271494A (en) * | 2019-11-28 | 2020-06-12 | 佛山市奥达金属制品有限公司 | Double-oil seal speed regulating 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 |
Granted publication date: 20171229 Termination date: 20180626 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |