CN207178769U - A kind of electrical servo valve - Google Patents
A kind of electrical servo valve Download PDFInfo
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- CN207178769U CN207178769U CN201721156334.3U CN201721156334U CN207178769U CN 207178769 U CN207178769 U CN 207178769U CN 201721156334 U CN201721156334 U CN 201721156334U CN 207178769 U CN207178769 U CN 207178769U
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- port
- groove
- air inlet
- gas outlet
- valve element
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Abstract
The utility model discloses a kind of electrical servo valve, includes servomotor, valve body and valve element, and the output shaft of servomotor is fixedly connected with one end of valve element, and valve element is located in valve body；Valve element offers the first vent grooves in the circumferential, on valve body the first air inlet and the first gas outlet are provided with the position of cross section for crossing the first vent grooves, when valve element goes to certain angle, the first air inlet, the first vent grooves are connected with the first gas outlet.The utility model provides a kind of electrical servo valve, realize that flow and gas circuit control by servomotor driving and valve body and valve element, can realize that high action sensitivity, excellent Flow-rate adjustment dynamic property and air pressure adjustment and gas circuit change the performances such as road integration.
Description
Technical field
It the utility model is related to valve technology field, more particularly to a kind of electrical servo valve.
Background technology
Air pressure valve or pneumatic operated valve is usually needed to use to realize air flow rate control, such as two-position three way in existing industrial production
Valve is just widely used.But the existing air pressure valve such as two position three-way valve or pneumatic operated valve mostly exist action sensitivity compared with
Low, Flow-rate adjustment bad dynamic performance and it is difficult to air pressure adjustment and gas circuit changing road and is integrated or integrates the shortcomings of difficult,
So as to significantly limit its use.
Utility model content
The deficiency for more than, the utility model provide a kind of electrical servo valve, can realize high action sensitivity, excellent
Flow-rate adjustment dynamic property and air pressure adjustment and gas circuit change the performances such as road integration.
To reach above-mentioned purpose, the utility model adopts the following technical scheme that：
A kind of electrical servo valve, include servomotor, valve body and valve element, the output shaft of the servomotor and the valve
One end of core is fixedly connected, and the valve element is located in the valve body；
The valve element offers the first vent grooves in the circumferential, in the horizontal stroke of excessively described first vent grooves on the valve body
The first air inlet and the first gas outlet are provided with the position in section, when the valve element goes to certain angle, described first enters
Gas port, the first vent grooves are connected with the first gas outlet.
Further, the valve element is further opened with the second vent grooves in the circumferential, excessively described second on the valve body
The second air inlet and the second gas outlet are provided with the position of the cross section of vent grooves, certain angle is gone in the valve element
When, second air inlet, the second vent grooves are connected with the second gas outlet；And when second air inlet, the second ventilation
When groove and the second gas outlet are connected, first air inlet, the first vent grooves do not connect with the first gas outlet, when described
When first air inlet, the first vent grooves are connected with the first gas outlet, second air inlet, the second vent grooves and second
Gas outlet does not connect.
Further, the total groove of air inlet is offered on the valve body, the port of first air inlet and the second air inlet is same
When positioned at the total groove of the air inlet bottom land.
Further, the valve element offers the first discouraged groove and the second discouraged groove in the circumferential,
On the valve body excessively described first lose heart groove cross section position on be provided with the first atmospheric air port and the
One leakage port, when the valve element goes to certain angle, first atmospheric air port, the first discouraged groove and the first leakage port phase
Connection；Offer the first outgassing groove on the valve body, the port of first gas outlet and the first leakage port is simultaneously positioned at described
The bottom land of first outgassing groove；
On the valve body excessively described second lose heart groove cross section position on be provided with the second atmospheric air port and the
Two leakage ports, when the valve element goes to certain angle, second atmospheric air port, the second discouraged groove and the second leakage port phase
Connection；Offer the second outgassing groove on the valve body, the port of second gas outlet and the second leakage port is simultaneously positioned at described
The bottom land of second outgassing groove；
When first air inlet, the first vent grooves are connected with the first gas outlet, second atmospheric air port,
Two discouraged grooves and the second leakage port are connected, and first atmospheric air port, the first discouraged groove and the first leakage port do not connect；
When second air inlet, the second vent grooves are connected with the second gas outlet, first atmospheric air port, first lose heart it is recessed
Groove and the first leakage port are connected, and second atmospheric air port, the second discouraged groove and the second leakage port do not connect.
Further, the front end of the valve element and/or rear end are connected to a fixed by rolling bearing and the valve body.
Compared with prior art, the beneficial effects of the utility model are：The utility model provides a kind of electrical servo valve, leads to
Servomotor driving and valve body and valve element are crossed to realize flow and gas circuit control, high action sensitivity, excellent can be realized
Flow-rate adjustment dynamic property and air pressure adjustment and gas circuit change the performances such as road integration.
Brief description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
The accompanying drawing used is briefly described.
Fig. 1 is the structural representation of the utility model preferred embodiment；
Fig. 2 is the front view of the preferred embodiment in Fig. 1；
Fig. 3 is the top view of the preferred embodiment in Fig. 1；
Fig. 4 is the explosive view of the preferred embodiment in Fig. 1；
Fig. 5 is the sectional view of the preferred embodiment in Fig. 1；
Fig. 6 is the schematic diagram of a specific embodiment；
Fig. 7 is the sectional view in special angle of the specific embodiment in Fig. 6；
Fig. 8 is the sectional view in special angle of the specific embodiment in Fig. 6；
Fig. 9 is the sectional view in special angle of the specific embodiment in Fig. 6.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe.Obviously, described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1 to Fig. 5 is refer to, the utility model preferred embodiment provides a kind of electrical servo valve, includes servo electricity
Machine 10, valve body 20 and valve element 30, the output shaft of servomotor 10 are fixedly connected with one end of valve element 30, and valve element 30 is located at valve body 20
It is interior；Valve element 30 offers the first vent grooves 31 in the circumferential, in the position for the cross section for crossing the first vent grooves 31 on valve body 20
Put and be provided with the first air inlet 21 and the first gas outlet 22, when valve element 30 goes to certain angle, the first air inlet 21, first
Vent grooves 31 are connected with the first gas outlet 22.
In a preferred embodiment, Fig. 1 to Fig. 5 is refer to, servomotor 10 is connected by connector 80 with valve body 20, tool
Body is that connector 80 is bolted mode and is fixedly connected with valve body 20, then servomotor 10 be bolted mode and
Connector 80 is fixedly connected.The center of connector 80 offers through hole to allow valve element 30 to pass through.Valve element 30 is located in valve body 20, specifically
To offer hollow out in valve body 20, the outer wall of valve element 30 matches with the openwork part.
During implementation, valve element 30 is controlled to rotate by servomotor 10, when valve element 30 goes to certain angle, the first air inlet
21st, the first vent grooves 31 are connected with the first gas outlet 22, can now realize that air-flow enters from the first air inlet 21, from first
Discharge to realize current-controlled purpose gas outlet 22.First vent grooves 31 are opened in the circumference of valve element 30, therefore can be led to
The angle of valve element 30 is overregulated, to realize the communicating passage area of section of the first vent grooves 31 and the first air inlet 21, i.e., first
The communicating passage area of section of the air inlet 21 of vent grooves 31 and first is big, and air-flow flux is big, the first vent grooves 31 and first
The communicating passage area of section of air inlet 21 is small, and air-flow flux is small, therefore by the angle of adjusting spool 30 first can be controlled to lead to
The communicating passage area of section of the air inlet 21 of gas groove 31 and first to reach air flow rate, accurately adjust by control and excellent flow
The purpose of section.
Further, it refer to Fig. 1 to Fig. 5, valve element 30 is further opened with the second vent grooves 32 in the circumferential, on valve body 20
The second air inlet 23 and the second gas outlet 24 are being provided with the position of cross section for crossing the second vent grooves 32, in 30 turns of valve element
During to certain angle, the second air inlet 23, the second vent grooves 32 are connected with the second gas outlet 24；And when the second air inlet
23rd, when the second vent grooves 32 are connected with the second gas outlet 24, the first air inlet 21, the first vent grooves 31 and the first outlet
Mouth 22 does not connect, when the first air inlet 21, the first vent grooves 31 are connected with the first gas outlet 22, the second air inlet 23,
Second vent grooves 32 do not connect with the second gas outlet 24.Second air inlet 23, the second vent grooves 32 and the second gas outlet 24
Ground operation principle is identical with the operation principle of the first air inlet 21, the first vent grooves 31 and the first gas outlet 22, is in core
30 turn on when going to certain angle to realize air-flow by and realizing that air flow rate accurately controls again by the angle of valve element 30
With excellent Flow-rate adjustment.Second air inlet 23, the second vent grooves 32 and the second gas outlet 24 and the first air inlet 21,
The setting that one vent grooves 31 and the first gas outlet 22 do not simultaneously turn on, can realize that gas circuit changes road.
Further, Fig. 1 to Fig. 5 is refer to, the total groove 40 of air inlet is offered on valve body 20, the first air inlet 21 and second enters
The port of gas port 23 is simultaneously positioned at the bottom land of the total groove 40 of air inlet.During implementation, can by external feed stream pipeline directly with the total groove of air inlet
40, the first air inlet 21 or the second air inlet 23 then are diverted to from the total groove 40 of air inlet again, an external feed stream pipeline can be achieved
Air inlet.
Further, Fig. 1 to Fig. 5 is refer to, valve element 30 offers the first discouraged groove 33 and second and lost heart in the circumferential
Groove 34,
On valve body 20 the first atmospheric air port 25 and first is provided with the position of cross section for crossing the first discouraged groove 33
Leakage port 26, when valve element 30 goes to certain angle, the phase of 33 and first leakage port of the discouraged groove of the first atmospheric air port 25, first 26
Connection；Offer the first outgassing groove 50 on valve body 20, the port of the first gas outlet 22 and the first leakage port 26 is simultaneously positioned at first
The bottom land of outgassing groove 50；
On valve body 20 the second atmospheric air port 27 and second is provided with the position of cross section for crossing the second discouraged groove 34
Leakage port 28, when valve element 30 goes to certain angle, the phase of 34 and second leakage port of the discouraged groove of the second atmospheric air port 27, second 28
Connection；Offer the second outgassing groove 60 on valve body 20, the port of the second gas outlet 24 and the second leakage port 28 is simultaneously positioned at second
The bottom land of outgassing groove 60；
When the first air inlet 21, the first vent grooves 31 are connected with the first gas outlet 22, the second atmospheric air port 27,
Two discouraged grooves 34 are connected with the second leakage port 28, the discouraged leakage port 26 of groove 33 and first of the first atmospheric air port 25, first
Do not connect；When the second air inlet 23, the second vent grooves 32 are connected with the second gas outlet 24, the first atmospheric air port 25,
One discouraged groove 33 is connected with the first leakage port 26, the discouraged leakage port 28 of groove 34 and second of the second atmospheric air port 27, second
Do not connect.
In existing valve flow control equipment, switch necessary not only for progress air flow rate control, gas circuit, it is also necessary to simultaneously
Carry out air pressure adjustment.Often realize air flow rate control, gas circuit using reversal valve and air pressure valve simultaneously in the prior art
Switching and air pressure adjustment.But two kinds of equipment are used simultaneously, one side cost is higher, is on the other hand also unfavorable for the collection of device
Into and device between work in coordination.
In the utility model preferred embodiment, the discouraged leakage port 26 of groove 33 and first of the first atmospheric air port 25, first
And second atmospheric air port 27, second lose heart the setting of groove 34 and second leakage port 28, i.e., provided for only utility model
Electrical servo valve can be achieved with air flow rate control, gas circuit switching and air pressure adjustment.When it is implemented, the He of the first outgassing groove 50
Second outgassing groove 60 is connected by pipeline with device to be supplied gas respectively；When valve element 30 goes to certain angle, now the first air inlet
The 21, first vent grooves 31 of mouth are connected with the first gas outlet 22, the second air inlet 23, the second vent grooves 32 and the second outlet
Mouth 24 does not connect, and the discouraged groove 34 of the second atmospheric air port 27, second is connected with the second leakage port 28, the first atmospheric air port 25,
First groove 33 that loses heart does not connect with the first leakage port 26, therefore can pass through the first air inlet 21, the first vent grooves 31 and the
Supplied gas to device to be supplied gas one gas outlet 22（Play the function of flow control）, and device to be supplied gas is further through pipeline and second
The discouraged groove 34 of atmospheric air port 27, second is connected with the second leakage port 28, can realize exhaust again（Play the work(of air pressure adjustment
Energy）；When valve element 30 goes to other certain angle, now the second air inlet 23, the second vent grooves 32 and the phase of the second gas outlet 24
Connection, the first air inlet 21, the first vent grooves 31 are not connected with the first gas outlet 22, and the first atmospheric air port 25, first is lost heart
Groove 33 is connected with the first leakage port 26, and the discouraged groove 34 of the second atmospheric air port 27, second does not connect with the second leakage port 28,
Therefore can be supplied gas by the second air inlet 23, the second vent grooves 32 and the second gas outlet 24 to device to be supplied gas（Play stream
Measure the function of control）, and device to be supplied gas loses heart further through pipeline and the discouraged groove 33 and first of the first atmospheric air port 25, first
Mouth 26 is connected, and can realize exhaust again（Play the function of air pressure adjustment）；And by these air inlets, the conversion of exhaust passage,
Also achieve the function of gas circuit switching.
Further, Fig. 1 to Fig. 5 is refer to, the front-end and back-end of valve element 30 are connected by rolling bearing 70 with valve body 20
Connect fixation.On the one hand the setting of rolling bearing 70 can ensure the steady of the rotation of valve element 30, reduction and the friction of valve body 20, another
Aspect is it is also ensured that valve element 30 can keep axis rotation to ensure that valve element 30 coordinates with the fine and close of valve body 20.
On the basis of above-mentioned, the utility model provides one and more specifically implements example.
Fig. 6 is refer to, is one specific embodiment of the utility model.To electrical servo valve in A-A, B-B, C-C and D-D
Cutting is carried out on four faces, obtains the sectional view of four positions.
Fig. 7 is the sectional view of A-A, B-B, C-C and D-D tetra- position of the valve element 30 under a special angle, now first
Air inlet 21, the first vent grooves 31 do not connect with the first gas outlet 22, the second air inlet 23, the second vent grooves 32 and second
Gas outlet 24 does not connect, and the discouraged groove 34 of the second atmospheric air port 27, second does not connect with the second leakage port 28, the first atmospheric air port
25th, the first discouraged groove 33 does not connect with the first leakage port 26, it will be assumed that the angle is 0 °.
When valve element 30 turn clockwise at 0 80 ° when, as shown in figure 8, now the second air inlet 23, the second vent grooves
32 are connected with the second gas outlet 24, and the first air inlet 21, the first vent grooves 31 do not connect with the first gas outlet 22, and first is big
The groove 33 that loses heart of gas port 25, first is connected with the first leakage port 26, and the second atmospheric air port 27, second is lost heart groove 34 and the
Two leakage ports 28 do not connect, now can be by the second air inlet 23, the second vent grooves 32 and the second gas outlet 24 to waiting to supply gas
Device is supplied gas（Play the function of flow control）, and device to be supplied gas is let out further through pipeline and the first atmospheric air port 25, first
Gas groove 33 is connected with the first leakage port 26, can realize exhaust again（Play the function of air pressure adjustment）.
When 80 ° of the rotate counterclockwise at 0 of valve element 30, as shown in figure 9, now the first air inlet 21, the first vent grooves
31 are connected with the first gas outlet 22, and the second air inlet 23, the second vent grooves 32 do not connect with the second gas outlet 24, second largest
The groove 34 that loses heart of gas port 27, second is connected with the second leakage port 28, and the first atmospheric air port 25, first is lost heart groove 33 and the
One leakage port 26 does not connect, therefore can be by the first air inlet 21, the first vent grooves 31 and the first gas outlet 22 to waiting to supply gas
Device is supplied gas（Play the function of flow control）, and device to be supplied gas is let out further through pipeline and the second atmospheric air port 27, second
Gas groove 34 is connected with the second leakage port 28, can realize exhaust again（Play the function of air pressure adjustment）.
And by these air inlets, the conversion of exhaust passage, also achieve the function that gas circuit switches.Therefore, the utility model
The multiple functions such as air flow rate control, gas circuit switching and air pressure adjustment are had concurrently in one.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art is in the technical scope that the utility model discloses, the change that can readily occur in
Change or replace, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with described
Scope of the claims is defined.
Claims (5)
1. a kind of electrical servo valve, it is characterised in that include servomotor（10）, valve body（20）And valve element（30）, it is described to watch
Take motor（10）Output shaft and the valve element（30）One end be fixedly connected, the valve element（30）Positioned at the valve body（20）
It is interior；
The valve element（30）The first vent grooves are offered in the circumferential（31）, the valve body（20）On excessively it is described first ventilation
Groove（31）Cross section position on be provided with the first air inlet（21）With the first gas outlet（22）, in the valve element（30）Turn
During to certain angle, first air inlet（21）, the first vent grooves（31）With the first gas outlet（22）It is connected.
2. electrical servo valve according to claim 1, it is characterised in that the valve element（30）Is further opened with the circumferential
Two vent grooves（32）, the valve body（20）On in excessively described second vent grooves（32）Cross section position on be provided with
Two air inlets（23）With the second gas outlet（24）, in the valve element（30）When going to certain angle, second air inlet（23）、
Second vent grooves（32）With the second gas outlet（24）It is connected；And work as second air inlet（23）, the second vent grooves
（32）With the second gas outlet（24）When being connected, first air inlet（21）, the first vent grooves（31）With the first gas outlet
（22）Do not connect, when first air inlet（21）, the first vent grooves（31）With the first gas outlet（22）It is described when being connected
Second air inlet（23）, the second vent grooves（32）With the second gas outlet（24）Do not connect.
3. electrical servo valve according to claim 2, it is characterised in that the valve body（20）On offer the total groove of air inlet
（40）, first air inlet（21）With the second air inlet（23）Port simultaneously be located at the total groove of the air inlet（40）Bottom land.
4. the electrical servo valve according to Claims 2 or 3, it is characterised in that the valve element（30）Offer in the circumferential
First discouraged groove（33）With the second discouraged groove（34）,
The valve body（20）On excessively described first lose heart groove（33）Cross section position on be provided with the first atmospheric air port
（25）With the first leakage port（26）, in the valve element（30）When going to certain angle, first atmospheric air port（25）, first let out
Gas groove（33）With the first leakage port（26）It is connected；The valve body（20）On offer the first outgassing groove（50）, described first
Gas outlet（22）With the first leakage port（26）Port simultaneously be located at first outgassing groove（50）Bottom land；
The valve body（20）On excessively described second lose heart groove（34）Cross section position on be provided with the second atmospheric air port
（27）With the second leakage port（28）, in the valve element（30）When going to certain angle, second atmospheric air port（27）, second let out
Gas groove（34）With the second leakage port（28）It is connected；The valve body（20）On offer the second outgassing groove（60）, described second
Gas outlet（24）With the second leakage port（28）Port simultaneously be located at second outgassing groove（60）Bottom land；
When first air inlet（21）, the first vent grooves（31）With the first gas outlet（22）It is described second largest when being connected
Gas port（27）, second lose heart groove（34）With the second leakage port（28）It is connected, first atmospheric air port（25）, first let out
Gas groove（33）With the first leakage port（26）Do not connect；When second air inlet（23）, the second vent grooves（32）With second
Gas outlet（24）When being connected, first atmospheric air port（25）, first lose heart groove（33）With the first leakage port（26）It is connected
It is logical, second atmospheric air port（27）, second lose heart groove（34）With the second leakage port（28）Do not connect.
5. according to the electrical servo valve described in claim any one of 1-3, it is characterised in that the valve element（30）Front end and/
Or rear end passes through rolling bearing（70）With the valve body（20）It is connected to a fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721156334.3U CN207178769U (en) | 2017-09-11 | 2017-09-11 | A kind of electrical servo valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721156334.3U CN207178769U (en) | 2017-09-11 | 2017-09-11 | A kind of electrical servo valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207178769U true CN207178769U (en) | 2018-04-03 |
Family
ID=61741904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721156334.3U Active CN207178769U (en) | 2017-09-11 | 2017-09-11 | A kind of electrical servo valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207178769U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559459A (en) * | 2017-09-11 | 2018-01-09 | 南宁宇立仪器有限公司 | A kind of electrical servo valve |
| CN111453022A (en) * | 2020-04-02 | 2020-07-28 | 广州白云山医药集团股份有限公司白云山何济公制药厂 | Full-automatic embedment rotary valve of cream |
| CN112013279A (en) * | 2020-08-25 | 2020-12-01 | 江苏慧呼吸医疗科技有限公司 | Double-electric-regulation flow control valve |
-
2017
- 2017-09-11 CN CN201721156334.3U patent/CN207178769U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559459A (en) * | 2017-09-11 | 2018-01-09 | 南宁宇立仪器有限公司 | A kind of electrical servo valve |
| CN107559459B (en) * | 2017-09-11 | 2024-04-12 | 南宁宇立仪器有限公司 | Electric servo valve |
| CN111453022A (en) * | 2020-04-02 | 2020-07-28 | 广州白云山医药集团股份有限公司白云山何济公制药厂 | Full-automatic embedment rotary valve of cream |
| CN112013279A (en) * | 2020-08-25 | 2020-12-01 | 江苏慧呼吸医疗科技有限公司 | Double-electric-regulation flow control valve |
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