Control handle of lifting equipment
By designing a rotating press on the control handle of the lifting device, the moving distance of the button is increased, the problem of inaccurate movement of the hook position in the prior art is solved, and higher position control accuracy is achieved.
Patent Information
- Application Number
- CN202421422794.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-06-21
AI Technical Summary
When the control handle of the existing lifting equipment is pressed, it is difficult to accurately control the position of the hook to move, resulting in the position of the stay higher or lower, and it takes multiple presses of the button to achieve the expected target position.
A control handle for lifting equipment is designed, by rotating the pressing member on the housing, the pressing member is located above and in contact with the button, and the pressing member and the upper surface of the housing form an angle between the pressing member and the housing. When the end of the pressing member is pressed, the pressing member rotates about the rotation axis, causing the button to move towards the inside of the housing, increasing the moving distance of the button, thereby improving the accuracy of the movement of the hook position.
By increasing the moving distance of the press, the moving distance of the button is increased, making the hook movement of the button control lifting device more accurate, and reducing the number of presses required to reach the expected target position.
Smart Images
Figure CN222690559U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of lifting equipment and relates to a control handle of the lifting equipment. Background Art
[0002] In the field of hoists, the control handle of the hoist is a control device used to control the hook of the hoist to achieve a series of actions such as rising, falling, moving forward, backward, and moving left and right. It usually converts the user's actions into control instructions through various buttons and sensors to achieve the movement of the hook. The control handle is equipped with an up button and a down button to control the lifting and lowering of the hook.
[0003] During the use of the control handle, it was found that when the up button was pressed directly, the stop position of the corresponding hook would be higher or lower than the expected target position, and it was necessary to press the up or down button multiple times to move the hook to the expected target position. Summary of the invention
[0004] The purpose of the utility model is to solve the above problems in the prior art and to propose a control handle for lifting equipment. The technical problem to be solved by the utility model is: how to improve the accuracy of controlling the movement of the hook position by pressing the button on the control handle.
[0005] The purpose of the utility model can be achieved through the following technical solutions: a control handle of a lifting device, comprising a shell, a button is slidably installed on the shell, the part of the button located in the shell is connected to a sensing element, a circuit board is provided in the shell, a sensor for determining the position of the sensing element is provided on the circuit board, and the characteristic is that a rotating shaft is provided on the shell, a pressing element is rotatably connected to the rotating shaft, the pressing element is located above the button and in contact with the button, and there is a distance between the contact point between the pressing element and the button and the end of the pressing element.
[0006] In the present solution, a pressing piece is rotatably arranged on the shell, the pressing piece is located above the button and in contact with the button, the pressing piece and the upper surface of the shell form an angle, the button is located between the pressing piece and the shell, and when the end of the pressing piece is pressed, the pressing piece rotates around the rotating shaft toward the button, and the pressing piece causes the button to move toward the inside of the shell. Since there is a gap between the contact point between the pressing piece and the button and the end of the pressing piece, the distance moved by the end of the pressing piece is greater than the distance moved by the button. Pressing the pressing piece is equivalent to increasing the moving distance of the button, so that the button controls the movement of the hook of the lifting device more accurately.
[0007] In the control handle of the lifting device, the pressing member includes a pressing block and a pressing sheet connected to the pressing block, the pressing sheet is arranged at the end of the pressing member, the pressing block is located above the button, and the pressing sheet and the pressing block are bent and transitioned. The pressing sheet and the pressing block are bent and transitioned, and the pressing sheet is deflected toward the shell, reducing the distance between the pressing sheet and the grip, so that the user's fingers are easier to contact the pressing member, and it is convenient for the user to press the pressing sheet.
[0008] In the control handle of the lifting device, the pressing sheet and the pressing block are both plate-shaped, and the angle between the pressing sheet and the pressing block is greater than 90 degrees. When the pressing block is flush with the upper surface of the shell, the pressing sheet is biased below the upper surface of the shell, indicating that the button is about to reach or has reached the lowest position.
[0009] In the control handle of the lifting device, the pressing member includes a rotating plate, a rotating hole is provided on the rotating plate, the rotating shaft is provided in the rotating hole, and the rotating shaft is provided in the shell. The rotating shaft is provided in the shell to prevent the pressing member from rotating too much and contacting the edge of the shell, thereby reducing the wear of the edge of the shell.
[0010] In the control handle of the lifting device mentioned above, the shell includes a top plate, and the rotating shaft is located below the top plate.
[0011] In the control handle of the lifting device, a guide seat is further provided on the housing, and the upper end of the guide seat is higher than the top plate. The upper end of the guide seat is higher than the top plate so that when the button is completely located in the guide seat, the pressing member contacts the upper end of the guide seat, and the guide seat acts as a limit for the pressing member.
[0012] In the control handle of the lifting device, a mounting seat is provided in the shell, the guide seat includes a guide plate and a guide column located above the guide plate, the guide plate is located on the mounting seat, the guide column passes through the shell and the upper end of the guide column is higher than the top plate, the guide plate and the guide column are provided with guide holes, the mounting seat is provided with a mounting cavity, the guide hole and the mounting cavity are connected, and the button slides in the guide hole and the mounting cavity. The guide column can guide the button and limit the guide seat on the shell.
[0013] In the control handle of the above-mentioned lifting device, a push block is provided on the button, a push plate is provided below the push block, an elastic member is abutted on the push plate, one end of the elastic member abuts on the push plate, and the other end of the elastic member abuts on the mounting seat.
[0014] In the control handle of the lifting device described above, a mounting plate is fixedly connected below the mounting seat, the circuit board is located below the mounting plate, and a through hole is provided on the mounting plate.
[0015] In the control handle of the lifting device, there are two pressing members, and the distance between the pressing members is greater than the distance between the pressing members and the side wall of the housing. The larger distance between the pressing members is set to avoid accidental contact of the two pressing members to affect use.
[0016] Compared with the prior art, the utility model has the following advantages:
[0017] 1. In this solution, a pressing piece is rotatably arranged on the shell. Since there is a distance between the contact point between the pressing piece and the button and the end of the pressing piece, the distance moved by the end of the pressing piece is greater than the distance moved by the button. Pressing the pressing piece is equivalent to increasing the moving distance of the button, so that the button controls the movement of the hook of the lifting device more accurately.
[0018] 2. In this solution, the rotating shaft is arranged inside the shell to prevent the pressing member from rotating at too large an angle and contacting the edge of the shell, thereby reducing wear on the edge of the shell. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a three-dimensional structural schematic diagram of the control handle of the utility model;
[0020] Figure 2 It is a three-dimensional structural schematic diagram of the control handle of the utility model;
[0021] Figure 3 It is a schematic diagram of the exploded structure of the control handle of the utility model;
[0022] Figure 4 It is a schematic diagram of the exploded structure of the button, guide seat, mounting seat, circuit board and spring of the utility model;
[0023] Figure 5 It is a schematic diagram of the structure of the control handle after the pressing part of the utility model is rotated;
[0024] Figure 6 It is a schematic diagram of the cross-sectional structure of the utility model.
[0025] In the figure, 1, shell; 1a, rotating groove; 2, button; 2a, rising button; 2b, descending button; 2c, top block; 3, top plate; 4, pressing member; 4a, pressing sheet; 4b, pressing block; 4c, rotating plate; 4d, rotating hole; 5, rotating shaft; 6, circuit board; 7, sensing member; 8, guide seat; 8a, guide plate; 8b, guide column; 8c, guide hole; 9, mounting seat; 9a, mounting cavity; 10, mounting plate; 10a, through hole; 11, top plate; 12, elastic member; 13, grip. DETAILED DESCRIPTION
[0026] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
[0027] Example
[0028] A control handle of a lifting device, the lifting device includes a hook, a servo motor and a lifting servo control system, and the control handle and the servo control system are connected by a transmission line. In this embodiment, the control handle mainly controls the lifting and lowering movement of the hook in the lifting device, and the control handle sends a signal to the servo control system, and the servo control system controls the servo motor to rotate forward or reverse to realize the lifting and lowering of the hook. The hook, servo motor and servo control system are not shown in the figure.
[0029] like Figure 1 Combination Figure 2 As shown, the control handle includes a housing 1, on which a grip 13 is provided. The grip 13 is cylindrical in shape and has anti-skid patterns on the surface for easy use. A top plate 3 is provided above the housing 1, on which some keys and information of the buttons are marked. In this embodiment, the button 2 slidably mounted on the housing 1 includes an ascending button 2a and a descending button 2b. The ascending button 2a and the descending button 2b are located on both sides of the emergency stop switch. The side of the emergency stop switch relative to the ascending button 2a and the descending button 2b is a speed regulating button. The speed regulating button is used to switch the speed range. The speed regulating button is also provided with a display screen for displaying the lifting speed. The ascending button 2a and the descending button 2b are cylindrical in shape. The upper ends of the ascending button 2a and the descending button 2b are spherical. Setting the upper end of the button 2 into a spherical shape reduces the wear between the pressing member 4 and the button 2. A pressing member 4 is provided above the ascending button 2a and the descending button 2b, and the distance between the pressing members 4 is greater than the distance between the pressing member 4 and the side wall of the housing 1.
[0030] like Figure 2 As shown, the pressing member 4 is rotatably connected with the housing 1. A rotating shaft 5 is arranged in the housing 1, and the rotating shaft 5 is located below the top plate 3. A rotating groove 1a is also arranged on the housing 1. The pressing member 4 includes a rotating plate 4c, and a rotating hole 4d is arranged on the rotating plate 4c. The rotating shaft 5 is located in the rotating hole 4d, and the rotating plate 4c is partially located in the rotating groove 1a. The pressing member 4 also includes a plate-shaped pressing sheet 4a and a pressing block 4b. The pressing sheet 4a is used for the user to press. The cross section of one side of the pressing sheet 4a in the horizontal direction is circular, which is convenient for use. There is a bending transition between the pressing sheet 4a and the pressing block 4b, and there is an angle between the pressing sheet 4a and the pressing block 4b, which is greater than 120°. In this embodiment, the angle between the pressing sheet 4a and the pressing block 4b is 160°. The pressing block 4b is located above the rising button 2a and the falling button 2b, and there is a spacing between the contact point of the two buttons 2 and the pressing sheet 4a.
[0031] like Figure 3 Combination Figure 4 and Figure 6 As shown, the specific structure of the rising button 2a and the falling button 2b in the housing 1 is as follows: a mounting seat 9 is provided in the housing 1, the mounting seat 9 is fixedly connected to the housing 1 by bolts, two mounting cavities 9a are provided in the mounting seat 9, and a mounting plate 10 is fixedly connected to the lower part of the mounting seat 9 by bolts. A guide seat 8 is provided above the mounting seat 9, and the guide seat 8 is stepped and includes a guide plate 8a and a guide column 8b, the guide plate 8a is located above the mounting seat 9, the guide column 8b passes through the housing 1, and the upper end of the guide column 8b is higher than the top plate 3, the guide plate 8a abuts on the mounting seat 9 and the guide column 8b passes through the housing 1 to limit the mounting seat 9. The upper end of the guide column 8b is higher than the top plate 3 so that when the button 2 is completely located in the guide seat 8, the pressing block 4b in the pressing member 4 contacts the upper end of the guide seat 8, and the guide seat 8 limits the pressing member 4. A guide hole 8c is provided on the guide column 8b and the guide plate 8a, and the guide hole 8c is connected to the mounting cavity 9a. The button 2 slides in the guide hole 8c and the mounting cavity 9a.
[0032] like Figure 3 Combination Figure 4 and Figure 6 As shown, the specific structure of the rising button 2a and the falling button 2b for resetting after being pressed is as follows: a push block is provided on the button 2, a push plate 11 is provided below the push block, an elastic member 12 is abutted against the push plate 11, and in this embodiment, the elastic member 12 is a spring, one end of the spring abuts against the push plate 11, and the other end of the spring abuts against the mounting plate 10 below the mounting seat 9.
[0033] A sensing member 7 is provided at the lower end of the button 2. In this embodiment, the sensing member 7 is a permanent magnet. A circuit board 6 is also fixedly connected below the mounting plate 10. A Hall sensor is provided on the circuit board 6. A through hole 10a is provided on the mounting plate 10. The Hall sensor passes through the through hole 10a to sense the movement of the permanent magnet. The Hall sensor is not shown in the figure.
[0034] like Figure 5 and Figure 6As shown, the working principle of this patent is as follows. When the hook in the lifting device needs to be lowered, press the pressing piece 4 located above the lowering button 2b, specifically press the pressing sheet 4a of the pressing piece 4, the pressing sheet 4a drives the pressing block 4b to rotate, the pressing block 4b acts on the lowering button 2b to make the lowering button 2b slide downward, the lowering button 2b drives the permanent magnet to move downward, the Hall sensor located below the lowering button 2b senses the movement of the permanent magnet to generate an electrical signal transmitted to the servo control system, the servo control system receives the electrical signal to control the servo motor to rotate, and the hook is lowered. When the hook in the lifting device needs to rise, press the pressing piece 4 located above the rising button 2a. In this solution, the distance moved by the pressing piece 4a is greater than the distance moved by the rising button 2a or the falling button 2b. By adding the pressing piece 4a, it is equivalent to increasing the moving distance of the rising button 2a or the falling button 2b, so that the button 2 controls the movement of the hook of the lifting device more accurately.
[0035] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.
[0036] Although this article uses more terms such as 1, housing; 1a, rotating groove; 2, button; 2a, rising button; 2b, descending button; 2c, top block; 3, top plate; 4, pressing member; 4a, pressing sheet; 4b, pressing block; 4c, rotating plate; 4d, rotating hole; 5, rotating shaft; 6, circuit board; 7, induction member; 8, guide seat; 8a, guide plate; 8b, guide column; 8c, guide hole; 9, mounting seat; 9a, mounting cavity; 10, mounting plate; 10a, through hole; 11, top plate; 12, elastic member; 13, grip rod, etc., it does not exclude the possibility of using other terms. These terms are used only to more conveniently describe and explain the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.
Claims
1. A control handle for a lifting device, comprising a housing (1), a button (2) being slidably mounted on the housing (1), a portion of the button (2) located inside the housing (1) being connected to a sensing element (7), a circuit board (6) being arranged inside the housing (1), a sensor for determining the position of the sensing element (7) being arranged on the circuit board (6), characterized in that: The housing (1) is provided with a rotating shaft (5), and a pressing piece (4) is rotatably connected to the rotating shaft (5). The pressing piece (4) is located above the button (2) and is in contact with the button (2). There is a distance between the contact point between the pressing piece (4) and the button (2) and the end of the pressing piece (4).
2. A control handle for a lifting device according to claim 1, characterized in that: The pressing member (4) comprises a pressing block (4b) and a pressing sheet (4a) connected to the pressing block (4b); the pressing sheet (4a) is arranged at the end of the pressing member (4); the pressing block (4b) is located above the button (2); and the pressing sheet (4a) and the pressing block (4b) are bent and transitioned.
3. A control handle for a lifting device according to claim 2, characterized in that: The pressing sheet (4a) and the pressing block (4b) are both plate-shaped, and the angle between the pressing sheet (4a) and the pressing block (4b) is greater than 120°.
4. A control handle for a lifting device according to claim 1 or 2, characterized in that: The pressing member (4) comprises a rotating plate (4c), a rotating hole (4d) is provided on the rotating plate (4c), the rotating shaft (5) is arranged in the rotating hole (4d), and the rotating shaft (5) is arranged in the housing (1).
5. A control handle for a lifting device according to claim 4, characterized in that: The housing (1) comprises a top plate (3), and the rotating shaft (5) is located below the top plate (3).
6. A control handle for a lifting device according to claim 5, characterized in that: The housing (1) is also provided with a guide seat (8), and the upper end of the guide seat (8) is higher than the top plate (3).
7. A control handle for a lifting device according to claim 6, characterized in that: The shell (1) is provided with a mounting seat (9), the guide seat (8) comprises a guide plate (8a) and a guide column (8b) located above the guide plate (8a), the guide plate (8a) is located on the mounting seat (9), the guide column (8b) passes through the shell (1) and the upper end of the guide column (8b) is higher than the top plate (3), the guide plate (8a) and the guide column (8b) are provided with guide holes (8c), the mounting seat (9) is provided with a mounting cavity (9a), the guide hole (8c) and the mounting cavity (9a) are connected, and the button (2) slides in the guide hole (8c) and the mounting cavity (9a).
8. A control handle for a lifting device according to claim 7, characterized in that: The button (2) is provided with a resisting block (2c), a resisting plate (11) is provided below the resisting block (2c), an elastic member (12) is abutted against the resisting plate (11), and the elastic member (12) abuts against the resisting plate (11).
9. A control handle for a lifting device according to claim 8, characterized in that: A mounting plate (10) is fixedly connected below the mounting seat (9), the circuit board (6) is located below the mounting plate (10), and a through hole (10a) is provided on the mounting plate (10).
10. The control handle of a lifting device according to claim 5, characterized in that: The number of the pressing pieces (4) is two, and the distance between the pressing pieces (4) is greater than the distance between the pressing pieces (4) and the side wall of the shell (1).