Valve hand wheel
By designing a valve handwheel including a rotating shaft, connecting rod, bent members and cushioning components, the problem of existing handwheels being easily impacted and causing fluid leakage, achieving higher operating safety and equipment service life.
Patent Information
- Application Number
- CN202421896243.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-07
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-08-07
AI Technical Summary
Existing valve handwheels are prone to collisions and cause fluid leakage, affecting the smoothness and safety of industrial processes.
A valve handwheel is designed, including a rotating shaft, connecting rod, bent members and cushioning components. The rotating shaft runs through the pipe and is fixedly connected to the valve. The connecting rod provides better grip and operational control. The bent member increases the outer diameter and grip area of the handwheel, and the cushioning assembly reduces the transmission of external impact to the handwheel.
Through this design, the impact of external impact on the valve can be effectively reduced, the handwheel can be avoided inadvertently rotated due to accidental impact, significantly improve operation safety, and extend the service life of the valve and related equipment.
Smart Images
Figure CN223019585U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of mechanical valves, and more specifically, relates to a valve handwheel. Background Art
[0002] A valve handwheel is a common operating device in industrial equipment, used to control the opening, closing, and adjustment of valves. It usually consists of a circular or polygonal handwheel and a connecting rod. The handwheel is usually fixed on the operating shaft of the valve, and the opening and closing actions of the valve are driven by rotating the handwheel. As an important control component in a fluid pipeline system, the valve can achieve the opening, closing, or adjustment of the fluid (liquid or gas) through the handwheel, enabling the operator to quickly and accurately adjust the valve state when needed.
[0003] The handwheel is usually located outside the equipment so that the operator can easily access and operate the valve or other mechanical equipment. This position makes the handwheel easily become the collision object of other equipment, tools, or moving personnel in the working environment. In a narrow working area or around crowded equipment, the movement of the operator may be restricted, resulting in them more easily hitting the protruding handwheel. Especially in cases where quick operation or adjustment is required, space limitations may make it difficult for the operator to avoid collisions. Collisions may cause damage to the handwheel itself or the connected mechanical components, which may lead to the valve or mechanical equipment being unable to operate or adjust normally. This may affect the smoothness and efficiency of the industrial process and requires emergency repair to restore the normal function of the equipment. If the handwheel is not repaired or replaced in time after being damaged, the operator may not be able to control the valve or equipment normally. This may result in accidental fluid leakage, pressure out of control, or other safety accidents, endangering the safety of the workplace and the health of the operator.
[0004] In summary, the existing handwheel has the problem that it is easily collided and causes fluid leakage. Summary of the Utility Model
[0005] In view of this, the utility model provides a valve handwheel, which can solve the problem that the existing handwheel is easily collided and causes fluid leakage.
[0006] The utility model is implemented as follows:
[0007] The present utility model provides a valve handwheel, which includes a rotating shaft and a connecting rod. One end of the rotating shaft penetrates through the pipeline and is fixedly connected to the valve inside the pipeline. The rotating shaft is rotatably connected to the pipeline. The other end of the rotating shaft is fixedly connected to the connecting rod. The rotating shaft is used to drive the ball valve inside the pipeline to rotate. The number of the connecting rods is four. The connecting rod is of a cylindrical structure. The included angle between adjacent connecting rods is a right angle. A lever is rotatably connected to the connecting rod. The lever is of an arc structure. The lever is used to assist the rotation of the rotating shaft. A shock absorption assembly is arranged below the connecting rod. The shock absorption assembly is rotatably connected to the rotating shaft. The shock absorption assembly is used to prevent the handwheel from rotating due to being impacted.
[0008] The technical effects of the valve handwheel provided by the present utility model are as follows: By setting the rotating shaft, the force applied by the operator on the handwheel can be converted into the movement force inside the valve, so as to realize the opening and closing or adjustment of the valve. The rotating shaft can effectively transmit the force, ensuring that the valve inside the pipeline responds quickly when needed. By setting the connecting rod, a better grip and operation controllability can be provided, and a larger torque can also be applied, so as to operate the valve more easily, especially for large valves that require greater force to open and close. By setting the lever, the outer diameter and the holding area of the handwheel can be increased, which is convenient for gripping the handwheel more easily and maintaining good operation controllability. At the same time, the lever is convenient for controlling the opening and closing state of the valve over a long distance, avoiding the influence of the shock absorption assembly on the opening and closing of the valve. By setting the shock absorption assembly, the transmission of external impact or vibration to the handwheel can be effectively reduced, thereby reducing the mechanical pressure and impact force inside the valve. This is very important for the long-term stable operation of the valve, and can reduce the damage or leakage of the valve caused by accidental impact. By reducing the influence of external impact, the shock absorption assembly helps to extend the service life of the valve and related equipment. Preventing the handwheel from rotating inadvertently due to accidental impact can significantly improve the operation safety.
[0009] On the basis of the above technical solution, the valve handwheel of the present utility model can also be improved as follows:
[0010] Wherein, one end of the connecting rod is fixedly connected to the rotating shaft, and a convex block is fixedly connected to the other end of the connecting rod. The included angle between the convex block and the rotating shaft is an acute angle.
[0011] The beneficial effect of adopting the above improvement scheme is: Through the convex block, the rotation angle of the lever can be limited, avoiding the movement of the lever when holding the lever and rotating.
[0012] Furthermore, a groove is arranged on the connecting rod, and the groove is symmetrically arranged with the convex block.
[0013] Further, one end of the lever is rotatably connected to the connecting rod through a pin shaft, the other end of the lever is placed on the groove of the adjacent connecting rod, and the connection point between the lever and the connecting rod is located between the convex block and the rotating shaft.
[0014] Further, the shock absorption assembly includes a buffer pad, a first rotating rod, and a second rotating rod. One end of the first rotating rod is rotatably connected to the rotating shaft through a pin shaft, the other end of the first rotating rod is rotatably connected to one end of the second rotating rod through another pin shaft, and the other end of the second rotating rod is fixedly connected to the buffer pad.
[0015] By providing the buffer pad and the first rotating rod, when the buffer pad is impacted, it can move to buffer the impact force, and at the same time, convert the impact energy into kinetic energy to change the states of the buffer pad and the first rotating rod.
[0016] Further, the angle between the first rotating rod and the rotating shaft is an acute angle, and the angle between the second rotating rod and the first rotating rod is an acute angle.
[0017] Further, a return spring is provided at both the connection between the first rotating rod and the rotating shaft and the connection between the first rotating rod and the second rotating rod.
[0018] Further, the buffer pad is of an arc structure, and the number of the buffer pads is four. The four buffer pads can enclose a complete circle.
[0019] Further, the radius of the shock absorption assembly is greater than the radius of the circle formed by the rotating shaft and the connecting rod.
[0020] Further, the shock absorption assembly is made of rubber, and a spring is provided inside the shock absorption assembly.
[0021] Compared with the prior art, the beneficial effects of a valve handwheel provided by the utility model are as follows: By setting a rotating shaft, the force applied by the operator on the handwheel can be converted into the moving force inside the valve, thereby realizing the opening and closing or adjustment of the valve. The rotating shaft can effectively transmit the force, ensuring that the valve inside the pipeline responds quickly when needed. By setting a connecting rod, it can provide a better grip and operation controllability, and can also apply a greater torque, making it easier to operate the valve, especially effective for large valves that require a large force to open and close. By setting a lever element, it can increase the outer diameter and the holding area of the handwheel, making it easier to grasp the handwheel and maintaining good operation controllability. At the same time, the lever element is convenient for controlling the opening and closing state of the valve over a long distance, avoiding the influence of the shock absorption component on the opening and closing of the valve. By setting a shock absorption component, it can effectively reduce the transmission of external impact or vibration to the handwheel, thereby reducing the mechanical pressure and impact force inside the valve. This is very important for the long-term stable operation of the valve, and can reduce valve damage or leakage caused by accidental impacts. By reducing the influence of external impacts, the shock absorption component helps to extend the service life of the valve and related equipment. Avoiding the accidental rotation of the handwheel due to accidental impacts can significantly improve the operation safety. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments of the present utility model. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0023] Figure 1 It is a top view of a valve handwheel;
[0024] Figure 2 It is a top view of the shock absorption component of a valve handwheel;
[0025] Figure 3 It is a top view of the lever element of a valve handwheel;
[0026] Figure 4 It is a top view of the open state of the lever element of a valve handwheel;
[0027] In the drawings, the list of components represented by each reference numeral is as follows:
[0028] 10. Rotating shaft; 11. Connecting rod; 12. Lever element; 13. Groove; 14. Shock absorption component; 141. Buffer pad; 142. First rotating rod; 143. Second rotating rod. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0029] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
[0030] As Figures 1-4 shown, it is an embodiment of a valve handwheel provided by the present utility model. In this embodiment, it includes a rotating shaft 10 and a connecting rod 11. One end of the rotating shaft 10 penetrates through the pipeline and is fixedly connected to the valve inside the pipeline. The rotating shaft 10 is rotatably connected to the pipeline. The other end of the rotating shaft 10 is fixedly connected to the connecting rod 11. The rotating shaft 10 is used to drive the ball valve inside the pipeline to rotate. The number of the connecting rods 11 is four. The connecting rods 11 are cylindrical structures. The included angle between adjacent connecting rods 11 is a right angle. A lever 12 is rotatably connected to the connecting rod 11. The lever 12 is an arc-shaped structure. The lever 12 is used to assist the rotation of the rotating shaft 10. A shock absorption assembly 14 is arranged below the connecting rod 11. The shock absorption assembly 14 is rotatably connected to the rotating shaft 10. The shock absorption assembly 14 is used to prevent the handwheel from rotating when being impacted.
[0031] When in use, hold the connecting rod 11 and rotate the rotating shaft 10. The rotating shaft 10 drives the valve inside the pipeline to rotate to control the flow of water. When there is a foreign object hitting the handwheel from the outside, the hitting object first contacts the buffer pad 141. The buffer pad 141 buffers the impact force from the outside. The spring inside the buffer pad 141 is compressed. Affected by the impact force, the second rotating rod 143 and the first rotating rod 142 rotate around the pin shaft. The included angle between the first rotating rod 142 and the second rotating rod 143 becomes smaller. The included angle between the first rotating rod 142 and the rotating shaft 10 becomes smaller. The buffer pad 141 moves towards the direction close to the rotating shaft 10. When rotating the rotating shaft 10, due to the relatively large size of the shock absorption assembly 14, the lever 12 can be rotated to expand the manipulable area of the entire handwheel.
[0032] Among them, in the above technical solution, one end of the connecting rod 11 is fixedly connected to the rotating shaft 10. A convex block is fixedly connected to the other end of the connecting rod 11. The included angle between the convex block and the rotating shaft 10 is an acute angle.
[0033] Further, in the above technical solution, a groove 13 is arranged on the connecting rod 11. The groove 13 is symmetrically arranged with the convex block.
[0034] Further, in the above technical solution, one end of the lever 12 is rotatably connected to the connecting rod 11 through a pin shaft. The other end of the lever 12 is placed on the groove 13 of the adjacent connecting rod 11. The connection point between the lever 12 and the connecting rod 11 is located between the convex block and the rotating shaft 10.
[0035] Further, in the above technical solution, the shock absorption assembly 14 includes a buffer pad 141, a first rotating rod 142, and a second rotating rod 143. One end of the first rotating rod 142 is rotatably connected to the rotating shaft 10 through a pin shaft, and the other end of the first rotating rod 142 is rotatably connected to one end of the second rotating rod 143 through another pin shaft. The other end of the second rotating rod 143 is fixedly connected to the buffer pad 141.
[0036] Further, in the above technical solution, the angle between the first rotating rod 142 and the rotating shaft 10 is an acute angle, and the angle between the second rotating rod 143 and the first rotating rod 142 is an acute angle.
[0037] Further, in the above technical solution, a return spring is provided at both the connection between the first rotating rod 142 and the rotating shaft 10 and the connection between the first rotating rod 142 and the second rotating rod 143.
[0038] Further, in the above technical solution, the buffer pad 141 is of an arc structure, and the number of buffer pads 141 is four. The four buffer pads 141 can enclose a complete circle.
[0039] Further, in the above technical solution, the radius of the shock absorption assembly 14 is greater than the radius of the circle formed by the rotating shaft 10 and the connecting rod 11.
[0040] Further, in the above technical solution, the shock absorption assembly 14 is made of rubber, and a spring is provided inside the shock absorption assembly 14.
[0041] Specifically, the principle of the present utility model is as follows: During use, hold the connecting rod 11 and rotate the rotating shaft 10. The rotating shaft 10 drives the valve in the pipeline to rotate to control the flow of water. When a foreign object impacts the handwheel from the outside, the impact object first contacts the buffer pad 141. The buffer pad 141 buffers the external impact force, and the spring inside the buffer pad 141 is compressed. Affected by the impact force, the second rotating rod 143 and the first rotating rod 142 rotate around the pin shaft, the angle between the first rotating rod 142 and the second rotating rod 143 becomes smaller, the angle between the first rotating rod 142 and the rotating shaft 10 becomes smaller, and the buffer pad 141 moves towards the direction close to the rotating shaft 10. When rotating the rotating shaft 10, since the size of the shock absorption assembly 14 is relatively large, the rotating lever 12 can be rotated to expand the manipulable area of the entire handwheel.
Claims
1. A valve hand wheel, characterized in that: The invention comprises a rotating shaft (10) and a connecting rod (11), one end of the rotating shaft (10) passes through a pipeline and is fixedly connected to a valve inside the pipeline, the rotating shaft (10) is rotatably connected to the pipeline, the other end of the rotating shaft (10) is fixedly connected to the connecting rod (11), the rotating shaft (10) is used to drive the spherical valve inside the pipeline to rotate, the number of the connecting rods (11) is four, the connecting rods (11) are cylindrical structures, the angle between adjacent connecting rods (11) is a right angle, a bend piece (12) is rotatably connected to the connecting rod (11), the bend piece (12) is an arc structure, the bend piece (12) is used to assist the rotation of the rotating shaft (10), a damping assembly (14) is arranged below the connecting rod (11), the damping assembly (14) is rotatably connected to the rotating shaft (10), and the damping assembly (14) is used to prevent the hand wheel from being hit and rotating.
2. A valve hand wheel according to claim 1, characterized in that: One end of the connecting rod (11) is fixedly connected to the rotating shaft (10), and the other end of the connecting rod (11) is fixedly connected to a protrusion, and the angle between the protrusion and the rotating shaft (10) is an acute angle.
3. A valve hand wheel according to claim 2, characterized in that: The connecting rod (11) is provided with a groove (13), and the groove (13) is symmetrically arranged with the protrusion.
4. A valve hand wheel according to claim 3, characterized in that: One end of the bendable member (12) is rotationally connected to the connecting rod (11) via a pin, and the other end of the bendable member (12) rests on the groove (13) of the adjacent connecting rod (11). The connection point between the bendable member (12) and the connecting rod (11) is located between the protrusion and the rotating shaft (10).
5. A valve hand wheel according to claim 4, characterized in that: The shock absorbing assembly (14) comprises a buffer pad (141), a first rotating rod (142) and a second rotating rod (143); one end of the first rotating rod (142) is rotationally connected to the rotating shaft (10) via a pin; the other end of the first rotating rod (142) is rotationally connected to one end of the second rotating rod (143) via another pin; and the other end of the second rotating rod (143) is fixedly connected to the buffer pad (141).
6. A valve hand wheel according to claim 5, characterized in that: The angle between the first rotating rod (142) and the rotating shaft (10) is an acute angle, and the angle between the second rotating rod (143) and the first rotating rod (142) is an acute angle.
7. A valve hand wheel according to claim 6, characterized in that: A return spring is provided at a connection point between the first rotating rod (142) and the rotating shaft (10) and at a connection point between the first rotating rod (142) and the second rotating rod (143).
8. A valve hand wheel according to claim 7, characterized in that: The buffer pad (141) is an arc-shaped structure, and the number of the buffer pads (141) is four, and the four buffer pads (141) can form a complete circle.
9. A valve hand wheel according to claim 8, characterized in that: The radius of the shock absorbing component (14) is greater than the radius of the circle enclosed by the rotating shaft (10) and the connecting rod (11).
10. A valve hand wheel according to claim 9, characterized in that: The shock absorbing component (14) is made of rubber, and a spring is arranged inside the shock absorbing component (14).