CN202301999U - Wafer electric butterfly valve - Google Patents
Wafer electric butterfly valve Download PDFInfo
- Publication number
- CN202301999U CN202301999U CN2011204282795U CN201120428279U CN202301999U CN 202301999 U CN202301999 U CN 202301999U CN 2011204282795 U CN2011204282795 U CN 2011204282795U CN 201120428279 U CN201120428279 U CN 201120428279U CN 202301999 U CN202301999 U CN 202301999U
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- CN
- China
- Prior art keywords
- butterfly valve
- valve
- electric butterfly
- rod
- valve body
- 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 - Lifetime
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Abstract
The utility model discloses a wafer electric butterfly valve which has the following advantages: capability of automatically closing after power-off, adjustable opening angle, and visible closing state of a butterfly plate. The wafer electric butterfly valve comprises a butterfly valve and a driving device. The butterfly valve comprises a valve body, a valve rod, and a butterfly plate which is equipped on the valve rod. The valve rod is connected with a restoring device which is fixedly equipped on the valve body. The valve rod is connected with a driving device through a gear shaft. The driving device comprises the following components: a coil, a fixed magnet and a movable magnet which are provided in the coil. One end of the movable magnet is fixedly connected with a rack which is engaged with the gear shaft. A reset spring which is connected with the valve body is sleeved on the rack. The wafer electric butterfly valve is driven electromagnetically and has a structure that is simpler than the driving structure of the traditional motor. Automatic control can be realized easily. The wafer electric butterfly valve further has the following advantages: high suitability for control of cold/hot air or flue gas, small mechanism resistance, high reliability and high durability.
Description
Technical field
The utility model relates to a kind of control gear of gas piping flow size, particularly a kind of butterfly valve.
Background technique
The butterfly valve model specification is a lot, divides by driving force: Hand-operated butterfly valve, Pneumatic butterfly valve, electric butterfly valve.The electric butterfly valve type is less, and is many with motor driving.Electric butterfly valve is being realized aspect the automatic control easily, but after the outage, motor-driven butterfly valve often can not cut out automatically, and the angle that butterfly valve is opened can not be controlled well.
Summary of the invention
In order to overcome the deficiency of existing technology, the utility model provide a kind of tie can close automatically after the outage, opening angle can regulate, butterfly plate close the visual wafer type electric butterfly valve of situation.
The utility model solves the technological scheme that its technical problem adopted:
A kind of wafer type electric butterfly valve comprises butterfly valve and drive unit, and said butterfly valve comprises valve body, valve rod, is installed in the butterfly plate on the valve rod; Be connected with recovery device on the said valve rod, recovery device is fixedly mounted on the valve body, and said valve rod is connected with drive unit through gear shaft; Said drive unit comprises coil, is positioned at the fixed magnet and the movable magnet of coil inside; One end of movable magnet is fixedly connected with the tooth bar that is meshed with gear shaft, is arranged with the Returnning spring that is connected with valve body on the tooth bar, and the other end of said tooth bar is arranged with guide pin bushing; Guide pin bushing is fixedly mounted on the valve body; Guide pin bushing is provided with opening slot, and the end of tooth bar is provided with and the corresponding pin of opening slot, and the both sides of the opening slot of said guide pin bushing are provided with left and right limiting stopper respectively; Pin stretches out and contacts with limiting stopper, and left and right limiting stopper is connected on the outside of guide pin bushing through thread bush.
In the utility model, the top of valve body is provided with the mark dish, and the mark dish is connected with the top of gear shaft.
In the utility model, the other end of said movable magnet is fixedly connected with guide rod, and this guide rod passes fixed magnet and is connected with fixed magnet through bearing.
In the utility model, the surface of contact of said fixed magnet and movable magnet is provided with cushion pad.
In the utility model, said recovery device is a wind spring, and the outer end of this wind spring is fixed on the valve body, and the middle part of wind spring is socketed on the valve rod.
In the utility model, interconnect through coupling rod between said valve rod and the gear shaft, recovery device is socketed in the middle part of coupling rod.
In the utility model, said recovery device is torsion spring or helical spring.
In the utility model, said left and right limiting stopper is fixed on the guide pin bushing through active screw.
The beneficial effect of the utility model is: the utility model is behind coil electricity; Produce magnetic attraction between fixed magnet and the movable magnet; Its magnetic attraction overcomes action of reset spring power, drives tooth bar to left movement, and tooth bar overcomes the active force of recovery device through gear transmission driven gear axle; The drive valve rod rotates, and butterfly plate is opened; Coil do not switch on preceding or the outage after; Magnetic attraction between fixed magnet and the movable magnet disappears, and under Returnning spring, recovery device effect, drives the valve rod rotation butterfly plate is contacted with the sealing surface of valve body; Whole butterfly valve is in closed condition, thereby reaches the effect of closing automatically; The utility model adopts Electromagnetic Drive, and the structure that drives than conventional motors is simpler, and control aspect automatically is more prone to realize that this electric butterfly valve is particularly suitable for the control of cold and hot air or furnace gas that mechanism's resistance is little, reliability and durability.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the structure principle chart of the utility model;
Fig. 2 is the structural representation of present embodiment;
Fig. 3 is the A part enlarged view of Fig. 2;
Fig. 4 is the B part enlarged view of Fig. 2.
Embodiment
Referring to figs. 1 through Fig. 4; The utility model discloses a kind of tie can close automatically after the outage, opening angle can regulate, butterfly plate close the visual wafer type electric butterfly valve of situation; Comprise butterfly valve and drive unit, said butterfly valve comprises valve body 1, valve rod 2, is installed in the butterfly plate 3 on the valve rod 2.Be connected with recovery device 4 on the said valve rod 2, as preferred embodiment, this recovery device 4 is a wind spring; The outer end of this wind spring is fixed on the valve body 1, and the middle part of wind spring is socketed on the valve rod 2, certainly herein; Said recovery device 4 is not limited to wind spring; Also can be the device that torsion spring or helical spring etc. can rely on 2 rotations of restoring force actuate valve stem, have identical technique effect, is its equal technological scheme.Said valve rod 2 is connected with drive unit through gear shaft 5, processes for ease and assembles, and is connected through coupling rod 18 between valve rod 2 and the gear shaft 5, and wind spring is installed on the coupling rod 18.Said drive unit comprises coil 6, is positioned at the fixed magnet 7 and the movable magnet 8 of coil 6 inside; One end of movable magnet 8 is fixedly connected with the tooth bar 9 that is meshed with gear shaft 5; Be arranged with the Returnning spring 10 that is connected with valve body 1 on the tooth bar 9; One end of said Returnning spring 10 is pressed on the step surface of tooth bar 9, and the other end is installed on the valve body 1 through spring housing.The other end of said tooth bar 9 is arranged with guide pin bushing 11, and guide pin bushing 11 is fixedly mounted on the valve body 1, and guide pin bushing 11 is provided with opening slot 12, and the end of tooth bar 9 is provided with and opening slot 12 corresponding pins 13.Through opening slot 12 and being connected of pin 13 can effectively playing the effect that prevents tooth bar 9 rotations, strengthen its stability.Further, the both sides of the opening slot 12 of said guide pin bushing 11 are provided with left and right limiting stopper 14,15 respectively, and pin 13 stretches out and contacts with limiting stopper.Said left and right limiting stopper 14,15 is implemented on the guide pin bushing 11 position regulation with fixing through self screw thread and screw 19; Through regulating the position of left and right limiting stopper 14,15 on guide pin bushing 11; With regard to may command tooth bar 9 displacement distances; Thereby the opening angle of may command butterfly plate 3 reaches the effect of control flow rate.
Further, control the motion of movable magnet 8 for ease, the other end of said movable magnet 8 is fixedly connected with guide rod 17, and this guide rod 17 passes fixed magnet 7 and is connected with fixed magnet 7 through bearing.Be fixed with cushion pad 20 on the surface of contact of said fixed magnet 7 and movable magnet 8, reduce fixed magnets 7 and the vibrations that movable magnet 8 collisions produce, increase working life through cushion pad 20.Further, the top of said gear shaft 5 directly is connected with mark dish 16, and the pointer of mark dish 16 is plugged on the top of gear shaft 5, and 5 turned angles of gear shaft can be clear, demonstrate from mark dish 16 intuitively.
Above-mentionedly just some preferred embodiments of the utility model are illustrated and describe; But the mode of execution of the utility model is not restricted to the described embodiments; As long as it reaches the technique effect of the utility model with essentially identical means, all should belong to the protection domain of the utility model.
Claims (8)
1. wafer type electric butterfly valve; Comprise butterfly valve and drive unit; Said butterfly valve comprises valve body (1), valve rod (2), is installed in the butterfly plate (3) on the valve rod (2); Be connected with recovery device (4) on the said valve rod (2), recovery device (4) is fixedly mounted on the valve body (1), and said valve rod (2) is connected with drive unit through gear shaft (5); Said drive unit comprises coil (6), is positioned at coil (6) inner fixed magnet (7) and movable magnet (8); One end of movable magnet (8) is fixedly connected with the tooth bar (9) that is meshed with gear shaft (5), is arranged with the Returnning spring (10) that is connected with valve body (1) on the tooth bar (9), and it is characterized in that: the other end of said tooth bar (9) is arranged with guide pin bushing (11); Guide pin bushing (11) is fixedly mounted on the valve body (1); Guide pin bushing (11) is provided with opening slot (12), and the end of tooth bar (9) is provided with and the corresponding pin of opening slot (12) (13), and the both sides of the opening slot (12) of said guide pin bushing (11) are provided with left and right limiting stopper (14,15) respectively; Pin (13) stretches out and contacts with limiting stopper, and left and right limiting stopper (14,15) is connected on the outside of guide pin bushing (11) through thread bush.
2. a kind of wafer type electric butterfly valve according to claim 1 is characterized in that: the top of valve body (1) is provided with mark dish (16), and mark dish (16) is connected with the top of gear shaft (5).
3. a kind of wafer type electric butterfly valve according to claim 1 is characterized in that: the other end of said movable magnet (8) is fixedly connected with guide rod (17), and this guide rod (17) passes fixed magnet (7) and is connected with fixed magnet (7) through bearing.
4. a kind of wafer type electric butterfly valve according to claim 1 is characterized in that: said fixed magnet (7) is provided with cushion pad (20) with the surface of contact of movable magnet (8).
5. a kind of wafer type electric butterfly valve according to claim 1 is characterized in that: said recovery device (4) is a wind spring, and the outer end of this wind spring is fixed on the valve body (1), and the middle part of wind spring is socketed on the valve rod (2).
6. a kind of wafer type electric butterfly valve according to claim 1 is characterized in that: interconnect through coupling rod (18) between said valve rod (2) and the gear shaft (5), recovery device (4) is socketed in the middle part of coupling rod (18).
7. a kind of wafer type electric butterfly valve according to claim 1 is characterized in that: said recovery device (4) is torsion spring or helical spring.
8. a kind of wafer type electric butterfly valve according to claim 1 is characterized in that: said left and right limiting stopper (14,15) is fixed on the guide pin bushing (11) through active screw (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204282795U CN202301999U (en) | 2011-11-02 | 2011-11-02 | Wafer electric butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204282795U CN202301999U (en) | 2011-11-02 | 2011-11-02 | Wafer electric butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202301999U true CN202301999U (en) | 2012-07-04 |
Family
ID=46370897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204282795U Expired - Lifetime CN202301999U (en) | 2011-11-02 | 2011-11-02 | Wafer electric butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202301999U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060547A (en) * | 2021-11-16 | 2022-02-18 | 重庆市金球高压阀门有限公司 | Electric control valve for natural gas pipeline |
-
2011
- 2011-11-02 CN CN2011204282795U patent/CN202301999U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060547A (en) * | 2021-11-16 | 2022-02-18 | 重庆市金球高压阀门有限公司 | Electric control valve for natural gas pipeline |
| CN114060547B (en) * | 2021-11-16 | 2024-07-09 | 营口龍华燃气有限责任公司 | Electric control valve for natural gas pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |