CN202719164U - Flow control valve - Google Patents
Flow control valve Download PDFInfo
- Publication number
- CN202719164U CN202719164U CN 201220381319 CN201220381319U CN202719164U CN 202719164 U CN202719164 U CN 202719164U CN 201220381319 CN201220381319 CN 201220381319 CN 201220381319 U CN201220381319 U CN 201220381319U CN 202719164 U CN202719164 U CN 202719164U
- Authority
- CN
- China
- Prior art keywords
- spool
- valve
- flow control
- hydraulic motor
- control valve
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a flow control valve which is composed of a valve (1), a screw (2), a supporting component (3), a synchronous belt (4), a coupler (5), a mounting component (6), an anti-explosion optical-electricity encoder (7), a bi-directional hydraulic motor (8) and a moving component (9). When the flow control valve works, the bi-directional hydraulic motor (8) drives the screw (2) to rotate, and the regulation of a valve element (11) at an opening position in a valve body (12) is achieved; the synchronous belt (4) drives the anti-explosion optical-electricity encoder (7) to rotate, and signal detection is carried out at the opening position of the valve element (11); and when the valve element (11) reaches the limiting position close to the supporting component (3), the bi-directional hydraulic motor (8) stops rotating, a locking nut (93) is unscrewed, a sliding block (94) is pulled along a guide rail body (92) to the position of a right limiting block (91), and the valve element (11) can be dismounted completely to be washed. The flow control valve has the advantages that flow is controllable, the valve element can be dismounted and mounted conveniently and quickly, and safety is high.
Description
Technical field
The utility model relates to a kind of flow control valve, and this flow control valve is applicable to the cast occasion that security of system is had relatively high expectations, flow is controlled, spool needs frequent cleaning also is applicable to pour into a mould the chemical fuel with inflammable and explosive characteristic.
Background technique
Control general use traffic control valve for fluid flow at present, and the Pneumatic rubber tube valve that the chemical fuel cast adopts U.S. Red Valve Inc. to produce usually, it drives the spring-backed quill action take pneumatic mechanism as power source, the fluid break-make is finished in the opening and closing of realization valve, when the cast flow changes, need to use the rubber pipe valve of different latus rectums; Yet the frequent movement of spring-backed quill makes it very easily damaged, as the core parts of such valve, changes continually spring-backed quill and must cause cost to rise; In addition, spring-backed quill in use needs to clean often, but the sequence of operations such as the dismounting of this spring-backed quill, cleaning, installation, adjustment are very loaded down with trivial details, so that the workload of this operation is very big.
Patent CN201851416U provides a kind of digital flow valves, and this Flow valve moves spool with stepper motor as power source to carry out flow control.But the power source that this Flow valve is chosen is only suitable for the flow control occasion in general liquid, the fluid control situation that inapplicable security requirement is high, and when spool need to clean, valve need to be taken apart, take out spool, reinstall after the cleaning again, the process of cleaning wastes time and energy.
The model utility content
For above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide the flow control valve that a kind of flow is controlled, the spool cleaning is convenient, Security is higher.This flow control valve is not only applicable to the cast of common liq, also applicable to the cast of the relatively poor liquid of flowability, further, this flow control valve is particularly useful for having the cast of inflammable and explosive characteristic and mobile relatively poor liquid (such as chemical fuel).
The technological scheme of flow control valve described in the utility model is: flow control valve is comprised of valve, screw rod, supporting part, Timing Belt, assembly, explosion-proof photoelectric encoder, two-way hydraulic motor and moving member.In the working procedure, select two-way hydraulic motor and explosion-proof photoelectric encoder as power and Detecting element, satisfy the Security of the system requirement; Two-way hydraulic motor drives the screw rod rotation by coupling makes spool mobile in valve body, when spool near or during away from supporting part, the aperture position of spool changes, and realizes the flow step-less adjustment; Two-way hydraulic motor makes explosion-proof photoelectric encoder rotation by toothed belt transmission, realizes the detection of valve core opening position; When the rotation of two-way hydraulic motor drive screw rod makes spool arrive the limit position of close supporting part, two-way hydraulic motor stops the rotation, and unclamps the locking nut on the moving member, moves to right limit piece place along guide rail pulling slide block, this moment, spool broke away from valve body fully, can clean spool; After clean finishing, make slide block retract left limit piece place, and tighten locking nut, the spool state of resuming work.
The beneficial effects of the utility model: 1, flow control valve described in the utility model adopts two-way hydraulic motor as power source, itself namely has higher explosion-resistance characteristic, in conjunction with explosion-proof photoelectric encoder, improved the Security of flow control valve, also made Flow valve be suitable for the cast of flammable and combustible liquids; 2. the moving member in the utility model can help the movement of spool, spool is dismantled like a cork and is resetted simple operation, laborsaving; 3. spool and the screw connecting structure of control valve employing described in the utility model are particularly suitable for the relatively poor liquid of flow and carry out flow control.
Description of drawings
Fig. 1 is the structural representation of the utility model flow control valve
Fig. 2 is the sectional structure schematic representation of the utility model flow control valve
Fig. 3 is the structural representation of the utility model valve 1
Fig. 4 is the sectional structure schematic representation of the utility model valve 1
Among the accompanying drawing 1-4: 1, valve; 2, screw rod; 3, supporting part; 4, Timing Belt; 5, coupling; 6, assembly; 7, explosion-proof photoelectric encoder; 8, two-way hydraulic motor; 9, moving member; 11, spool; 12, valve body; 13, jam; 14, movable spool; 15, spring; 16, position-limited lever; 17, flange; 18, anti-rotation device; 31, bearing support; 32, bearing; 33, outer separator; 34, inner spacing collar; 61, mounting base; 62, encoder seat; 63, motor base; 91, right limit piece; 92, guide rail; 93, locking nut; 94, slide block; 95, left limit piece; 181, anti-rotation connecting plate; 182, guide rod; 183, guide holder.
Embodiment
1-4 is described in detail the utility model below in conjunction with accompanying drawing:
Flow control valve described in the utility model is comprised of valve 1, screw rod 2, supporting part 3, Timing Belt 4, coupling 5, assembly 6, explosion-proof photoelectric encoder 7, two-way hydraulic motor 8 and moving member 9.Two-way hydraulic motor 8 drives screw rods 2 rotations by coupling 5, and screw rod 2 one ends and spool 11 link to each other by screw thread, and the other end is connected with bearing 32, and two-way hydraulic motor 8 rotates explosion-proof photoelectric encoder 7 by the transmission of Timing Belt 4.Valve 1 is comprised of spool 11, valve body 12, jam 13, movable spool 14, spring 15, position-limited lever 16, flange 17 and anti-rotation device 18.Spool 11 centers have a tapped through hole, for preventing that liquid medium from flowing into tapped through hole, its left end is installed jam 13, movable spool 14 is placed on the spring 15, and movable spool 14 is threaded connection with position-limited lever 16, position-limited lever 16 can move along flange 17, and flange 17 has a center hole, and the displacement distance of position-limited lever 16 equates with the displacement distance of movable spool 14 in valve body 12.Anti-rotation device 18 is comprised of anti-rotation connecting plate 181, guide rod 182 and guide holder 183, one end and the spool 11 of anti-rotation connecting plate 181 are connected by screw, the other end is connected with guide rod 182, it is interior and removable that guide rod 182 is installed in guide holder 183, guarantees that spool 11 does not rotate in valve body 12 interior movements.Supporting part 3 is comprised of bearing support 31, multirow bearing 32, outer separator 33 and inner spacing collar 34, and multirow bearing 32 inner rings and outer ring are respectively by inner spacing collar 34 and outer separator 33 location.Assembly 6 is comprised of mounting base 61, encoder seat 62 and motor base 63, explosion-proof photoelectric encoder 7 is fixed on the encoder seat 62, two-way hydraulic motor 8 is fixed on the motor base 63, and bearing support 31, encoder seat 62 and motor base 63 are fixed on the mounting base 61.Moving member 9 is comprised of right limit piece 91, guide rail 92, locking nut 93, slide block 94 and left limit piece 95, slide block 94 is installed on the guide rail 92, the two ends of guide rail 92 are separately installed with left limit piece 95 and right limit piece 91, and the length of guide rail 92 is selected reasonable numerical value according to the size of selected valve latus rectum.
The working principle of the utility model patent is: on the correct basis of installing of each element, satisfy simultaneously the requirement of security of system, two-way hydraulic motor 8 drives screw rod 2 rotations makes spool 11 in valve body 12 interior movements, when spool 11 near or during away from supporting part 3, spool 11 aperture positions change, realize the flow step-less adjustment, two-way hydraulic motor 8 makes explosion-proof photoelectric encoder 7 rotations by the transmission of Timing Belt 4, realizes the input of valve core opening position; Two-way hydraulic motor 8 drives screw rod 2 and rotates when making spool 11 arrive the limit position of close supporting part 3, two-way hydraulic motor 8 stops the rotation, unclamp the locking nut 93 on the moving member 9, move to right limit piece 91 places along guide rail 92 pulling slide blocks 94, this moment, spool 11 broke away from valve body 12 fully, can conveniently clean spool 11; After clean finishing, pulling slide block 94 moves back to left limit piece 95 places, and tightens locking nut 93, spool 11 state of resuming work.
Claims (5)
1. a flow control valve is characterized in that: be comprised of valve (1), screw rod (2), supporting part (3), Timing Belt (4), coupling (5), assembly (6), explosion-proof photoelectric encoder (7), two-way hydraulic motor (8) and moving member (9); Valve (1) is by spool (11), valve body (12), jam (13), movable spool (14), spring (15), position-limited lever (16), flange (17) and anti-rotation device (18) form, spool (11) center has a tapped through hole, its left end is installed jam (13), movable spool (14) is placed on the spring (15), and movable spool (14) is threaded connection with position-limited lever (16), position-limited lever (16) can be mobile along flange (17), and flange (17) has a center hole; Anti-rotation device (18) is comprised of anti-rotation connecting plate (181), guide rod (182) and guide holder (183), one end of anti-rotation connecting plate (181) and spool (11) are connected by screw, the other end is connected with guide rod (182), it is interior and removable that guide rod (182) is installed in guide holder (183), realizes that spool (11) moves in valve body (12) and do not rotate; Two-way hydraulic motor (8) drives screw rod (2) rotation by coupling (5) makes spool (11) mobile in valve body (12), realizes the step-less adjustment of spool (11) aperture position; Two-way hydraulic motor (8) makes explosion-proof photoelectric encoder (7) rotation by the transmission of Timing Belt (4), and spool (11) aperture position is carried out input; Moving member (9) is comprised of right limit piece (91), guide rail (92), locking nut (93), slide block (94) and left limit piece (95), slide block (94) is installed on the guide rail (92), and the two ends of guide rail (92) are separately installed with left limit piece (95) and right limit piece (91); When two-way hydraulic motor (8) drives screw rod (2) rotation, when making spool (11) arrive the limit position of close supporting part (3), two-way hydraulic motor (8) stops the rotation, unclamp the locking nut (93) on the moving member (9) this moment, moving to right limit piece (91) along guide rail (92) pulling slide block (94) locates, can make spool (11) break away from valve body (12) fully, and spool (11) is cleaned; After clean finishing, pulling slide block (94) moves back to left limit piece (95) and locates, and tightens locking nut (93), spool (11) state of resuming work.
2. flow control valve as claimed in claim 1, it is characterized in that: supporting part (3) is comprised of bearing support (31), multirow bearing (32), outer separator (33) and inner spacing collar (34), and the inner ring of multirow bearing (32) and outer ring are respectively by inner spacing collar (34) and outer separator (33) location.
3. flow control valve as claimed in claim 1 or 2, it is characterized in that: assembly (6) is comprised of mounting base (61), encoder seat (62) and motor base (63), explosion-proof photoelectric encoder (7) is fixed on the encoder seat (62), two-way hydraulic motor (8) is fixed on the motor base (63), and bearing support (31), encoder seat (62) and motor base (63) are fixed on the mounting base (61).
4. flow control valve as claimed in claim 1 or 2, it is characterized in that: the length of guide rail (92) is determined reasonable numerical value according to the size of selected valve latus rectum.
5. flow control valve as claimed in claim 1 or 2, it is characterized in that: the displacement distance of position-limited lever (16) equates with the displacement distance of movable spool (14) in valve body (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220381319 CN202719164U (en) | 2012-07-27 | 2012-07-27 | Flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220381319 CN202719164U (en) | 2012-07-27 | 2012-07-27 | Flow control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202719164U true CN202719164U (en) | 2013-02-06 |
Family
ID=47620988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220381319 Withdrawn - After Issue CN202719164U (en) | 2012-07-27 | 2012-07-27 | Flow control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202719164U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777615A (en) * | 2012-07-27 | 2012-11-14 | 内蒙古工业大学 | Flow control valve |
| CN109027364A (en) * | 2018-08-30 | 2018-12-18 | 安徽仕烽油压科技有限公司 | A kind of flow control valve of any confirmation supporting point |
-
2012
- 2012-07-27 CN CN 201220381319 patent/CN202719164U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777615A (en) * | 2012-07-27 | 2012-11-14 | 内蒙古工业大学 | Flow control valve |
| CN102777615B (en) * | 2012-07-27 | 2013-12-25 | 内蒙古工业大学 | Flow control valve |
| CN109027364A (en) * | 2018-08-30 | 2018-12-18 | 安徽仕烽油压科技有限公司 | A kind of flow control valve of any confirmation supporting point |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130206 Effective date of abandoning: 20131225 |
|
| RGAV | Abandon patent right to avoid regrant |