CN220930317U - DC micro-stroke valve controller - Google Patents
DC micro-stroke valve controller Download PDFInfo
- Publication number
- CN220930317U CN220930317U CN202322552655.7U CN202322552655U CN220930317U CN 220930317 U CN220930317 U CN 220930317U CN 202322552655 U CN202322552655 U CN 202322552655U CN 220930317 U CN220930317 U CN 220930317U
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- China
- Prior art keywords
- direct current
- valve
- screw rod
- valve controller
- gear
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Electrically Driven Valve-Operating Means (AREA)
Abstract
The utility model relates to a direct current micro-motion Cheng Famen controller which comprises a machine body, a valve body arranged at one end of the machine body and a valve controller main body arranged in the machine body, wherein the valve controller main body is connected with a valve core in the valve body and comprises a direct current motor, a gear set, a screw rod, a nut and a spring, the direct current motor is connected with one end of the screw rod through the gear set, the direct current motor can drive the screw rod to rotate, the other end of the screw rod extends into the valve body, the screw rod arranged in the valve body is connected with the nut in a threaded manner, one end of the spring is fixed with the nut, and the other end of the spring is fixed with the valve core. The direct current micro-travel valve controller adopts a miniature direct current motor built-in structure, and is matched with a nut and a spring to drive a valve core to move, the control travel of the direct current micro-travel valve controller is only 20mm, even smaller, and the requirement of the miniature valve controller is met.
Description
Technical Field
The utility model relates to the technical field of valve control, in particular to a direct-current micro-travel valve controller.
Background
At present, the minimum control stroke of the domestic and foreign valve direct current straight stroke valve controllers is about 30mm, and along with the industrial development, smaller straight stroke valve controllers are required in the market, and the stroke is required to be controlled to be 20mm of micro-stroke Cheng Famen controllers.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model provides the direct-current micro-stroke valve controller which can accurately control the output torque and the position by utilizing the miniature direct-current motor, the speed reducing mechanism and the control mechanism.
The utility model is realized by the following technical scheme:
The utility model provides a little stroke valve controller of direct current, includes the organism, sets up in the valve body of organism one end and sets up the valve controller main part in the organism, the valve controller main part links to each other with the case in the valve body, the valve controller main part includes direct current motor, gear train, screw rod, nut and spring, direct current motor passes through the gear train and links to each other with screw rod one end, and the direct current motor can drive the screw rod and rotate, the screw rod other end extends to in the valve body, and set up threaded connection has the nut on the screw rod in the valve body, spring one end is fixed mutually with the nut, and the other end is fixed mutually with the case.
In order to play a role in stroke control, in a preferred embodiment of the utility model, an encoder is arranged in the machine body, and the encoder is connected with a screw rod through a coupler.
Preferably, the screw is parallel to the output shaft of the dc motor.
Specifically, the gear set comprises a first gear, a second gear and a third gear which are meshed, wherein the first gear is fixed on an output shaft of the direct current motor, the second gear is rotationally connected in the machine body, and the third gear is fixed on the screw rod.
In order to facilitate stable rotation of the screw, the screw is rotationally connected with the machine body through a bearing.
In order to facilitate disassembly and assembly, the machine body is detachably connected with the valve body.
The beneficial effects of the utility model are as follows: the direct current micro-travel valve controller adopts a miniature direct current motor built-in structure, and is matched with a nut and a spring to drive a valve core to move, the control travel of the direct current micro-travel valve controller is only 20mm, even smaller, and the requirement of the miniature valve controller is met.
Drawings
Fig. 1 is a schematic structural diagram of a dc micro-stroke valve controller according to the present utility model.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model. The directional terms referred to in the present utility model, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc., refer only to the directions of the attached drawings. Accordingly, directional terminology is used to describe and understand the utility model and is not limiting of the utility model.
The direct-current micro-stroke valve controller shown in fig. 1 comprises a machine body 1, a valve body 5 arranged at one end of the machine body 1 and a valve controller main body arranged in the machine body, wherein the valve controller main body is connected with a valve core in the valve body 5, and the bottom end surface of the machine body 1 is detachably connected with the top end surface of the valve body 5 through a plurality of screws.
Specifically, the valve controller main body comprises a direct current motor 4, a gear set, a screw rod 3, a nut 7, an encoder 6 and a spring 8, wherein the direct current motor 4 is connected with one end of the screw rod 3 through the gear set, the screw rod 3 is parallel to an output shaft of the direct current motor 4, the gear set comprises a first gear 11, a second gear 12 and a third gear 13 which are meshed in sequence, the first gear 11 is fixed on the output shaft of the direct current motor 4, the second gear 12 is rotationally connected in a machine body 1, the third gear 13 is fixed on the screw rod 3, the screw rod 3 is rotationally connected in the machine body 1 through a bearing 9, the bottom end of the screw rod 3 extends into a valve body 5, the screw rod 3 arranged in the valve body 5 is in threaded connection with the nut 7, the top end of the spring 8 is welded with the nut 7, the bottom end of the valve core (the valve core is a conventional valve core, not shown in the figure) is fixed with the top end of the screw rod 3 through a pressing plate, in addition, the encoder 6 is arranged in the machine body, and the encoder 6 is connected with the top end of the screw rod 3 through a coupling 2.
The control mode of the direct current micro-travel valve controller is as follows: the direct current motor 4 is electrified to rotate, the screw 3 is driven to rotate through the first gear 11, the second gear 12 and the third gear 13, the screw 3 outputs torque and motion, the nut 7 moves along the screw 3 (is balanced with the output torque), the spring 8 is pressed and deformed by the axial force of the nut 7, the pressing plate moves axially to drive the valve body valve core to move, the valve control function is achieved, the screw 3 rotates to drive the multi-circle absolute encoder 6 to rotate, the multi-circle absolute encoder 6 outputs an electric signal of the rotating position, the direct current motor 4 stops, and the stroke control function is achieved.
It should be noted that, the present utility model is not related to the part that is the same as or can be implemented by the prior art.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.
Claims (6)
1. The utility model provides a little stroke valve controller of direct current, includes the organism, sets up in the valve body of organism one end and set up the valve controller main part in the organism, the valve controller main part links to each other its characterized in that with the case in the valve body: the valve controller main body comprises a direct current motor, a gear set, a screw rod, a nut and a spring, wherein the direct current motor is connected with one end of the screw rod through the gear set, the direct current motor can drive the screw rod to rotate, the other end of the screw rod extends into the valve body, the screw rod arranged in the valve body is connected with the nut in a threaded manner, one end of the spring is fixed with the nut, and the other end of the spring is fixed with the valve core.
2. The direct current micro-travel valve controller of claim 1, wherein: an encoder is arranged in the machine body and is connected with the screw rod through a coupler.
3. The direct current micro-travel valve controller according to claim 1 or 2, wherein: the screw rod is parallel to the output shaft of the direct current motor.
4. A direct current micro-stroke valve controller according to claim 3, wherein: the gear set comprises a first gear, a second gear and a third gear which are meshed with each other, the first gear is fixed on an output shaft of the direct current motor, the second gear is rotationally connected in the machine body, and the third gear is fixed on the screw rod.
5. The direct current micro-travel valve controller of claim 4, wherein: the screw is rotationally connected with the machine body through a bearing.
6. The direct current micro-travel valve controller of claim 5, wherein: the machine body is detachably connected with the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322552655.7U CN220930317U (en) | 2023-09-19 | 2023-09-19 | DC micro-stroke valve controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322552655.7U CN220930317U (en) | 2023-09-19 | 2023-09-19 | DC micro-stroke valve controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220930317U true CN220930317U (en) | 2024-05-10 |
Family
ID=90964871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322552655.7U Active CN220930317U (en) | 2023-09-19 | 2023-09-19 | DC micro-stroke valve controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220930317U (en) |
-
2023
- 2023-09-19 CN CN202322552655.7U patent/CN220930317U/en active Active
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