Valve actuating mechanism capable of sensing flow velocity
By introducing a rotating mechanism and a spring telescopic rod into the valve actuator, the valve reset and adjustment in the event of a motor failure is achieved, the problem of valve failure caused by the motor damage is solved, and the practicality and operability of the equipment are improved.
Patent Information
- Application Number
- CN202421088618.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-05-20
AI Technical Summary
The existing flow velocity sensing valve actuator cannot work properly when the motor is damaged, resulting in the valve being unable to open and affecting use.
A valve actuator including a rotating mechanism and a spring telescopic rod is designed. The rotating rod drives the shaft to rotate and adjust the valve switch through the motor. When the motor is powered, the spring telescopic rod drives the rotating rod to reset and realizes the valve closing, and passes the rotating handle. Adjust the valve size to avoid jamming when the motor cannot work.
It improves the practicality and operability of the valve, ensures that the valve can still close normally when the motor fails, and can adjust the switch size by rotating the shank to avoid inoperable state caused by motor failure.
Smart Images
Figure CN222163732U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of valve actuators, and in particular to a flow rate sensing valve actuator. Background Art
[0002] Actuators use liquid, gas, electricity or other energy and convert it into a driving action through a motor, cylinder or other device. Basic actuators are used to drive valves to fully open or fully closed positions. Actuators used for control valves can accurately move valves to any position.
[0003] Most of the existing flow rate sensing valve actuators use motors to drive the valve to open and close. When the motor is damaged and cannot work normally, the valve will not be able to open, thus affecting normal use. Utility Model Content
[0004] In order to solve the problems raised in the above background technology, the present application provides a flow rate sensing valve actuator.
[0005] The present application provides a flow rate sensing valve actuator adopting the following technical solution:
[0006] A flow rate sensing valve actuator comprises a valve body, wherein mounting seats are respectively provided at the top and bottom of the valve body, a control box is provided at the top of the mounting seat, a fixing seat arranged at the bottom of the control box is fixed to the mounting seat by fixing bolts, a rotating mechanism is arranged inside the control box, a valve is also arranged inside the valve body, two symmetrical shaft rods are arranged at the top and bottom of the outer wall of the valve, the rotating mechanism comprises a rotating rod, one end of the rotating rod is connected to the output end of the motor arranged at the top of the control box, a gear is also arranged at the outer wall of one end of the rotating rod, two L-shaped rack plates are meshed and installed on both sides of the gear, a slider is arranged on one side of the two L-shaped rack plates, the slider is slidably installed in a slide groove frame arranged on the inner walls on both sides of the control box, one end of the two L-shaped rack plates is also connected to one end of the spring telescopic rod, and the other end of the spring telescopic rod is connected to the inner walls at both ends of the control box.
[0007] Preferably, the other end of the rotating rod also passes through a through hole opened inside a fixing seat connected to the bottom of the control box, and a sleeve is also provided at the bottom of the other end of the rotating rod.
[0008] Preferably, a cross-shaped clamping block is provided inside the sleeve at the bottom of the rotating rod, one end of the sleeve is fitted with one end of the shaft rod passing through the mounting seat provided at the top of the valve body, and the cross-shaped clamping block is clamped and installed between the cross-shaped clamping hole opened at one end of the shaft rod.
[0009] Preferably, a waterproof groove is provided at the connection between the outer wall of the valve and the inner wall of the valve body, a waterproof spacer is provided inside the waterproof groove, and two shafts provided on the outer wall of the valve respectively pass through the waterproof spacers provided inside the waterproof groove.
[0010] Preferably, one end of one of the shaft rods passes through a waterproof spacer provided in a waterproof groove at the bottom of the valve body, and one end of the shaft rod also passes through a through hole opened inside a mounting seat connected to the bottom of the valve body, and is connected to the turning handle.
[0011] In summary, this application includes the following beneficial technical effects:
[0012] 1. The utility model sets a rotating mechanism inside the control box. By driving the motor set on the top of the control box, the rotating rod connected to the output end rotates to drive the shaft rod connected to one end to rotate in the mounting seat, so that the valve connected to one end of the shaft rod rotates inside the valve body to adjust the switch size. The gear set on the outer wall of one end of the rotating rod drives the L-shaped rack plates meshingly installed on both sides to slide left and right in the control box. When the motor has no electricity, the L-shaped rack plate drives the rotating rod to reset under the action of the spring telescopic rod connected to one end, thereby realizing the closure of the valve, thereby improving the practicality.
[0013] 2. The utility model connects the shaft rod provided at the bottom of the valve with one end of the rotating handle. When the motor fails to work and is stuck, the shaft rod can be disassembled and the valve can be driven to rotate inside the valve body by rotating the rotating handle to adjust the switch size, thereby preventing the valve from being unable to be adjusted when the motor fails to work and improving operability. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a structural schematic diagram of a flow rate sensing valve actuator in an embodiment of the present application;
[0015] Figure 2 is a cross-sectional view of the internal structure of a flow rate sensing valve actuator in an embodiment of the present application;
[0016] Figure 3 It is a cross-sectional view of the internal structure of a control box of a flow rate sensing valve actuator in an embodiment of the present application;
[0017] Figure 4 It is a cross-sectional view of the internal structure of a mounting seat of a flow rate sensing valve actuator in an embodiment of the present application.
[0018] Explanation of the reference numerals: 1. valve body; 2. mounting seat; 3. control box; 4. fixing seat; 5. valve; 6. shaft; 7. rotating rod; 8. motor; 9. gear; 10. L-shaped rack plate; 11. slide frame; 12. spring telescopic rod; 13. sleeve; 14. cross-shaped clamp block; 15. cross-shaped clamp hole; 16. waterproof spacer; 17. turning handle. DETAILED DESCRIPTION
[0019] The following is combined with Figure 1-4 This application is described in further detail.
[0020] The embodiment of the present application discloses a flow rate sensing valve actuator, including a valve body 1, wherein mounting seats 2 are respectively arranged at the top and bottom of the valve body 1, a control box 3 is arranged at the top of the mounting seat 2, a fixing seat 4 arranged at the bottom of the control box 3 is fixed to the mounting seat 2 by fixing bolts, a rotating mechanism is arranged inside the control box 3, a valve 5 is also arranged inside the valve body 1, and two symmetrical shafts 6 are arranged at the top and bottom of the outer wall of the valve 5.
[0021] refer to Figure 2 , Figure 3 and Figure 4 The rotating mechanism includes a rotating rod 7, one end of which is connected to the output end of the motor 8 arranged on the top of the control box 3, and a gear 9 is also arranged on the outer wall of one end of the rotating rod 7. Two L-shaped rack plates 10 are meshed and installed on both sides of the gear 9. A slider is arranged on one side of the two L-shaped rack plates 10. The slider is slidably installed in a slide groove frame 11 arranged on the inner walls of both sides of the control box 3. One end of the two L-shaped rack plates 10 is also connected to one end of a spring telescopic rod 12, and the other end of the spring telescopic rod 12 is connected to the inner walls of both ends of the control box 3. The other end of the rotating rod 7 also passes through a through hole opened in the fixing seat 4 connected to the bottom of the control box 3. A sleeve 13 is also arranged at the bottom of the other end of the rotating rod 7. A cross-shaped block 14 is arranged at the bottom of the rotating rod 7. One end of the sleeve 13 The end is fitted with one end of the shaft rod 6 passing through the mounting seat 2 set on the top of the valve body 1, and the cross-shaped clamping block 14 is clamped and installed with the cross-shaped clamping hole 15 opened at one end of the shaft rod 6. To be more specific, by driving the motor 8 set on the top of the control box 3, the rotating rod 7 connected to the output end is rotated to drive the shaft rod 6 passing through the mounting seat 2 to rotate, so that the valve 5 connected to one end of the shaft rod 6 is rotated inside the valve body 1 to adjust the switch size, and the gear 9 set on the outer wall of one end of the rotating rod 7 drives the L-shaped rack plates 10 meshingly installed on both sides to slide left and right in the slide groove frames 11 set on the inner walls of both sides of the control box 3 through the slider set on one side. When the motor 8 has no power, the L-shaped rack plate 10 drives the rotating rod 7 to reset under the action of the spring telescopic rod 12 connected at one end, thereby realizing the closure of the valve 5, thereby improving practicality.
[0022] refer to Figure 1 and Figure 2A waterproof groove is provided at the connection between the outer wall of the valve 5 and the inner wall of the valve body 1, and a waterproof spacer 16 is provided inside the waterproof groove. Two shaft rods 6 provided on the outer wall of the valve 5 respectively pass through the waterproof spacer 16 provided inside the waterproof groove, and one end of one of the shaft rods 6 passes through the waterproof spacer 16 provided in the waterproof groove at the bottom of the valve body 1, and one end of the shaft rod 6 also passes through the through hole provided inside the mounting seat 2 connected to the bottom of the valve body 1, and is connected to the turning handle 17. More specifically, a waterproof spacer 16 is provided in the waterproof groove provided at the joint between the valve 5 and the inner wall of the valve body 1 to prevent water from flowing in due to the gap, and a turning handle 17 is connected to one end of one of the shaft rods 6. When the motor 8 cannot work, the opening and closing size of the valve 5 inside the valve body 1 is adjusted by rotating the turning handle 17, thereby improving the operability and solving the problem that the valve 5 cannot be adjusted.
[0023] The implementation principle of a flow rate sensing valve actuator in the embodiment of the present application is as follows: when in use, the control box 3 is fixedly installed between the fixing seat 4 arranged at the bottom and the mounting seat 2 arranged at the top of the valve body 1, and the motor 8 is driven to rotate the rotating rod 7 connected to the output end in the control box 3, so that the cross-shaped clamping block 14 arranged at the bottom of the rotating rod 7 is engaged with the cross-shaped clamping hole 15 opened at one end of the shaft rod 6 passing through the mounting seat 2, thereby driving the valve 5 to rotate to adjust the switch size. When the motor 8 has no electricity, the two L-shaped rack plates 10 meshing with the gear 9 arranged on the outer wall of the rotating rod 7 drive the rotating rod 7 to reset through the action of the spring telescopic rod 12 connected at one end, thereby closing the valve 5. When the motor 8 cannot work and is stuck, the switch size of the valve 5 inside the valve body 1 is adjusted by rotating the handle 17, thereby improving the operability.
[0024] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A flow rate sensing valve actuator, comprising a valve body (1), wherein the top and bottom of the valve body (1) are respectively provided with mounting seats (2), characterized in that: A control box (3) is arranged on the top of the mounting seat (2); a fixing seat (4) arranged on the bottom of the control box (3) is fixed to the mounting seat (2) by fixing bolts; a rotating mechanism is arranged inside the control box (3); a valve (5) is also arranged inside the valve body (1); two symmetrical shafts (6) are arranged on the top and bottom of the outer wall of the valve (5); the rotating mechanism includes a rotating rod (7); one end of the rotating rod (7) is connected to the output of a motor (8) arranged on the top of the control box (3). The ends of the rotating rod (7) are connected, a gear (9) is also arranged on the outer wall of one end of the rotating rod (7), two L-shaped rack plates (10) are meshedly installed on both sides of the gear (9), one side of the two L-shaped rack plates (10) is provided with a slider, and the slider is slidably installed in a slide groove frame (11) arranged on the inner walls of both sides of the control box (3), one end of the two L-shaped rack plates (10) is also connected to one end of the spring telescopic rod (12), and the other end of the spring telescopic rod (12) is connected to the inner walls at both ends of the control box (3).
2. A flow rate sensing valve actuator according to claim 1, characterized in that: The other end of the rotating rod (7) also passes through a through hole opened inside a fixing seat (4) connected to the bottom of the control box (3), and a sleeve (13) is also provided at the bottom of the other end of the rotating rod (7).
3. A flow rate sensing valve actuator according to claim 2, characterized in that: A cross-shaped clamping block (14) is arranged inside the sleeve (13) at the bottom of the rotating rod (7), one end of the sleeve (13) is fitted with one end of a shaft rod (6) extending from the inside of a mounting seat (2) arranged at the top of the valve body (1), and the cross-shaped clamping block (14) is mounted in a clamping manner with a cross-shaped clamping hole (15) provided at one end of the shaft rod (6).
4. A flow rate sensing valve actuator according to claim 1, characterized in that: A waterproof groove is provided at the connection between the outer wall of the valve (5) and the inner wall of the valve body (1), a waterproof spacer (16) is provided inside the waterproof groove, and two shafts (6) provided on the outer wall of the valve (5) respectively pass through the waterproof spacers (16) provided inside the waterproof groove.
5. The flow rate sensing valve actuator according to claim 1, characterized in that: One end of one of the shaft rods (6) passes through a waterproof spacer (16) provided in a waterproof groove at the bottom of the valve body (1), and one end of the shaft rod (6) also passes through a through hole provided inside a mounting seat (2) connected to the bottom of the valve body (1), and is connected to a rotating handle (17).