Angle adjusting mechanism with multiple adjusting ratchet wheels

By designing the driving components and noise reduction components in the multi-adjustment ratchet angle adjustment mechanism and using rubber cushioning pads, the problem of noise and impact generated by the pawl and the adjustment ratchet is solved, achieving a more stable and durable angle adjustment effect.

CN222559108UActive Publication Date: 2025-03-04MIANYANG FEITENG PRECISION MASCH TECH CO LTD
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Patent Information

Application Number
CN202421051828.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-14
Publication Date
2025-03-04
Estimated Expiration
2034-05-14

AI Technical Summary

Technical Problem

When used in use, the existing multi-adjustment ratchet angle adjustment mechanism will cause greater impact and noise from the pawl and adjustment ratchet, which has certain limitations.

Method used

A multi-adjustment ratchet angle adjustment mechanism is designed to fix the drive assembly on the side of the support plate and thread the noise reduction assembly at the bottom of the pawl. The rubber-made cushion increases the contact area between the pawl and the adjustment ratchet, reducing noise and vibration.

Benefits of technology

It effectively reduces the noise and vibration of the pawls and adjusting ratchets during operation, improves the stability and density between them, reduces wear and damage of mechanical components, extends the service life of the equipment, and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of angle adjusting mechanisms, and discloses a multi-adjusting ratchet wheel angle adjusting mechanism which comprises a supporting plate, and the side face of the supporting plate is fixedly connected with a driving assembly. According to the angle adjusting mechanism with the multiple adjusting ratchet wheels, through the arrangement of the driving assembly and the noise reduction assembly, when the angle adjusting mechanism is used, a person starts a servo motor to drive a fixing rod to rotate, so that a connecting rod drives a rocker and a pawl to conduct mechanical movement, then the adjusting ratchet wheels are driven to conduct angle adjustment, and the person fixedly connects a fixing piece and the pawl through fixing screws; the buffer pad made of rubber can increase the contact area between the pawl and the adjusting ratchet wheel, improve stability and compactness and reduce the risk of accidental sliding or slipping of the pawl, the buffer pad can conduct buffering when the pawl makes contact with the adjusting ratchet wheel, noise and vibration generated when the pawl conducts mechanical movement are reduced, and the service life of the pawl is prolonged. Meanwhile, abrasion and damage of mechanical parts are reduced, the service life of the mechanical parts is prolonged, and the maintenance cost of equipment is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of angle adjustment mechanisms, in particular to a multi-adjustable ratchet angle adjustment mechanism. Background Art

[0002] A multi-adjustment ratchet angle adjustment mechanism is a device for adjusting angles, usually consisting of one or more adjustment ratchets and one or more gears. This mechanism allows the user to provide discrete angle adjustments by turning a handle or knob, allowing the user to adjust the angle of a device or component in a precise manner to meet specific needs or achieve specific functions. The mechanism provides users with a convenient and flexible angle adjustment solution, suitable for a variety of equipment and application scenarios, such as industrial machinery, medical equipment, office furniture, photographic equipment, etc.

[0003] In actual use, the existing multi-adjustable ratchet angle adjustment mechanism has certain limitations because the pawl and the adjustment ratchet will generate large impact and noise when working.

[0004] Therefore, it is necessary to invent a multi-adjustable ratchet angle adjustment mechanism to solve the above problems. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The technical problem solved by the utility model is to provide a multi-adjustable ratchet angle adjustment mechanism which is highly practical, can be operated simply and has a relatively simple structure, thereby solving the problem in the above background technology that the pawl and the adjustment ratchet will generate large impact and noise during operation.

[0007] (II) Technical solution

[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: a multi-adjustment ratchet angle adjustment mechanism, including a support plate, a side surface of the support plate is fixedly connected to a driving assembly, a surface of the driving assembly is sleeved with a connecting rod, a side surface of the connecting rod is sleeved with a rocker, a side surface of the rocker is fixedly connected to a pawl, a bottom of the pawl is threadedly connected to a noise reduction assembly, a bottom of the noise reduction assembly is fixedly connected to a buffer pad, a side surface of the support plate is fixedly connected to a support rod, a surface of the support rod is sleeved with an adjusting ratchet, a side surface of the support plate is threadedly connected to a fixing assembly via a screw thread, a surface of the fixing assembly is slidably connected to a stopping claw, and a side surface of the support plate is threadedly connected to a limiting assembly via a screw thread.

[0009] As a further solution of the utility model, the drive assembly includes a protective cover fixedly connected to the side of the support plate, a servo motor is fixedly connected to the interior of the protective cover, a transmission rod is splined to the output end of the servo motor, a rotating rod is fixedly connected to the side of the transmission rod, a fixed rod is fixedly connected to the side of the rotating rod, and a connecting rod is sleeved on the surface of the fixed rod.

[0010] As a further solution of the utility model, the noise reduction component includes a fixing plate threadedly connected to the bottom of the pawl, a threaded hole is opened on the side of the fixing plate, a fixing screw is threadedly connected to the inner part of the threaded hole, and a buffer pad is fixedly connected to the bottom of the fixing plate.

[0011] As a further solution of the utility model, the fixing assembly includes a fixing plate which is threadedly connected to the side of the support plate by screws, the side of the fixing plate is fixedly connected with a plug-in slot, the side of the fixing plate is fixedly connected with a limiting column, the side of the limiting column is threadedly connected with a fixing cover, and the surface of the limiting column is slidably connected with a stopping claw.

[0012] As a further solution of the utility model, the side surface of the connecting rod is threadedly connected to a limiting plate A, the side surface of the supporting rod is threadedly connected to a limiting plate B, and the material of the buffer pad is rubber.

[0013] As a further solution of the utility model, a threaded hole is provided on the side of the plug-in slot, and a spring sheet is inserted into the interior of the plug-in slot.

[0014] (III) Beneficial effects

[0015] The utility model provides a multi-adjustable ratchet angle adjustment mechanism, which has the following beneficial effects:

[0016] 1. The multi-adjustment ratchet angle adjustment mechanism, through the setting of the driving component and the noise reduction component, when in use, the personnel starts the servo motor to drive the transmission rod and the fixed rod to rotate, so that the connecting rod drives the rocker and the pawl to perform mechanical movement, and then drives the adjusting ratchet to adjust the angle. The personnel fix the fixing plate and the pawl with the fixing screw. The rubber buffer pad can increase the contact area between the pawl and the adjusting ratchet, improve the stability and tightness between them, and reduce the risk of accidental sliding or slipping of the pawl. When the pawl contacts the adjusting ratchet, the buffer pad can provide buffering, reduce the noise and vibration generated when the pawl performs mechanical movement, and at the same time reduce the wear and damage of mechanical parts, extend the service life of mechanical parts, and reduce the maintenance cost of equipment.

[0017] 2. The multi-adjustable ratchet angle adjustment mechanism is provided with a fixing component. When in use, personnel fix the fixing plate and the support plate with screws, then put the locking claw on the limiting column and use the fixing cover to limit and fix it, and then insert the spring sheet into the inside of the plug-in slot and fix it with screws. The threaded and plug-in design facilitates the subsequent disassembly and replacement of the locking claw and the spring sheet by personnel. When the locking claw is worn or damaged, it can be quickly replaced without disassembling the entire mechanism or equipment, making the cleaning and maintenance process of the locking claw simpler. At the same time, it is convenient for personnel to replace locking claws of different types or specifications as needed, thereby better meeting the design and use needs of personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the drive assembly of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the noise reduction component of the utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the fixed component of the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the limit assembly of the utility model;

[0023] Figure 6 This is a schematic diagram of the auxiliary ratchet structure of the utility model.

[0024] In the figure: 1. support plate; 2. drive assembly; 201. protective cover; 202. servo motor; 203. transmission rod; 204. rotating rod; 205. fixing rod; 3. connecting rod; 4. rocker; 5. ratchet; 6. noise reduction assembly; 601. fixing plate; 602. fixing screw; 7. buffer pad; 8. support rod; 9. adjusting ratchet; 10. fixing assembly; 1001. fixing plate; 1002. plug-in slot; 1003. limiting column; 1004. fixing cover; 11. stopping claw; 12. limiting assembly; 1201. limiting plate A; 1202. plug-in plate; 1203. limiting plate B; 1204. fixing column; 1205. auxiliary ratchet; 1206. limiting screw; 13. spring sheet. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figures 1 to 6 The utility model provides a technical solution: a multi-adjustable ratchet angle adjustment mechanism, including a support plate 1, a driving assembly 2 is fixedly connected to the side of the support plate 1, and the rocker 4 and the pawl 5 can be driven to perform mechanical movement through the arrangement of the driving assembly 2 and the noise reduction assembly 6, thereby driving the adjusting ratchet 9 to adjust the angle, and the buffer pad 7 can increase the contact area between the pawl 5 and the adjusting ratchet 9, improve the stability and tightness between them, and reduce the risk of accidental sliding or slipping of the pawl 5. When the pawl 5 contacts the adjusting ratchet 9, the buffer pad 7 can provide buffering, reduce the noise and vibration generated when the pawl 5 performs mechanical movement, and at the same time can reduce the wear and damage of the mechanical parts, extend the service life of the mechanical parts, and reduce the maintenance cost of the equipment. The surface of the driving assembly 2 is sleeved with a connecting rod 3, and the side of the connecting rod 3 is sleeved with a rocker 4, and the side of the rocker 4 A pawl 5 is fixedly connected, and a noise reduction component 6 is threadedly connected to the bottom of the pawl 5. A buffer pad 7 is fixedly connected to the bottom of the noise reduction component 6. A support rod 8 is fixedly connected to the side of the support plate 1. An adjusting ratchet 9 is sleeved on the surface of the support rod 8. A fixing component 10 is threadedly connected to the side of the support plate 1. Through the setting of the fixing component 10, it is convenient for personnel to subsequently disassemble and replace the stop pawl 11 and the spring sheet 13. When the stop pawl 11 is worn or damaged, it can be quickly replaced without disassembling the entire mechanism or equipment, making the cleaning and maintenance process of the stop pawl 11 simpler. At the same time, it is convenient for personnel to replace stop pawls 11 of different types or specifications as needed, so as to better meet the design and use requirements of personnel. The surface of the fixing component 10 is slidably connected to the stop pawl 11, and the side of the support plate 1 is threadedly connected to the limiting component 12;

[0027] See also Figure 2 The driving assembly 2 includes a protective cover 201 fixedly connected to the side of the support plate 1, a servo motor 202 is fixedly connected inside the protective cover 201, a transmission rod 203 is splinedly connected to the output end of the servo motor 202, a rotating rod 204 is fixedly connected to the side of the transmission rod 203, a fixed rod 205 is fixedly connected to the side of the rotating rod 204, and a connecting rod 3 is sleeved on the surface of the fixed rod 205. Through the setting of the driving assembly 2, the rocker 4 and the pawl 5 can be driven to perform mechanical movement, thereby driving the adjusting ratchet 9 to adjust the angle;

[0028] See also Figure 3The noise reduction component 6 includes a fixing plate 601 threadedly connected to the bottom of the pawl 5, a threaded hole is provided on the side of the fixing plate 601, a fixing screw 602 is threadedly connected to the inner thread of the threaded hole, and a buffer pad 7 is fixedly connected to the bottom of the fixing plate 601. By setting the noise reduction component 6, the contact area between the pawl 5 and the adjusting ratchet 9 can be increased, the stability and tightness between them can be improved, and the risk of accidental sliding or slipping of the pawl 5 can be reduced. When the pawl 5 contacts the adjusting ratchet 9, the buffer pad 7 can provide buffering, reduce the noise and vibration generated when the pawl 5 performs mechanical movement, and at the same time reduce the wear and damage of mechanical parts, extend the service life of mechanical parts, and reduce the maintenance cost of equipment;

[0029] See also Figure 4 The fixing assembly 10 includes a fixing plate 1001 which is threadedly connected to the side of the supporting plate 1 by a screw, a plug-in slot 1002 is fixedly connected to the side of the fixing plate 1001, a limiting column 1003 is fixedly connected to the side of the fixing plate 1001, a fixing cover 1004 is threadedly connected to the side of the limiting column 1003, and a stop claw 11 is slidably connected to the surface of the limiting column 1003. Through the setting of the fixing assembly 10, it is convenient for personnel to subsequently disassemble and replace the stop claw 11 and the spring sheet 13. When the stop claw 11 is worn or damaged, it can be quickly replaced without disassembling the entire mechanism or equipment, making the cleaning and maintenance process of the stop claw 11 simpler. At the same time, it is convenient for personnel to replace the stop claw 11 of different types or specifications as needed, so as to better meet the design and use requirements of personnel;

[0030] See also Figure 2 The side of the connecting rod 3 is threadedly connected to the limit plate A, and the side of the supporting rod 8 is threadedly connected to the limit plate B. The material of the buffer pad 7 is rubber. The rubber buffer pad 7 can provide buffering when the pawl 5 contacts the adjusting ratchet 9, thereby reducing the noise and vibration generated when the pawl 5 performs mechanical movement;

[0031] See also Figure 4 A threaded hole is provided on the side of the plug-in slot 1002 , and a spring sheet 13 is inserted into the interior of the plug-in slot 1002 . The spring sheet 13 can limit the stop claw 11 .

[0032] Embodiment 1:

[0033] See also Figure 5The limiting assembly 12 includes a limiting plate A1201 connected to the side of the support plate 1 by a screw thread, a plurality of plug-in sheets 1202 are evenly fixedly connected to the side of the limiting plate A1201 along the axis, the side of the plug-in sheet 1202 is plugged with a limiting plate B1203, a plurality of fixed columns 1204 are fixedly connected to the side of the limiting plate A1201, and an auxiliary ratchet 1205 is sleeved on the surface of the fixed column 1204. The auxiliary ratchet 1205 can add more support points in the adjustment mechanism, thereby improving the stability and balance of the entire system, reducing unnecessary swinging and vibration, and making the angle adjustment more accurate and reliable. The design of plug-in and thread is convenient for personnel to adjust the position and number of the auxiliary ratchet 1205;

[0034] Embodiment 2:

[0035] See also Figure 6 The limiting assembly 12 includes a limiting plate A1201 which is threadedly connected to the side of the support plate 1 by a screw, and a plurality of plug-in plates 1202 are evenly fixedly connected to the side of the limiting plate A1201 along the axis, and the side of the plug-in plate 1202 is plugged with a limiting plate B1203, and a plurality of threaded holes are opened on the surface of the limiting plate A1201, and the internal threads of the threaded holes are connected to the limiting screws 1206, and the surface of the limiting screws 1206 is sleeved with an auxiliary ratchet 1205, and the limiting screws 1206 facilitate personnel to disassemble and replace the auxiliary ratchet 1205, thereby improving the work efficiency of personnel.

[0036] In the utility model, the working steps of the device are as follows:

[0037] The first step: when in use, the personnel starts the servo motor 202 to drive the transmission rod 203 and the fixed rod 205 to rotate, so that the connecting rod 3 drives the rocker 4 and the pawl 5 to perform mechanical movement, and then drives the adjusting ratchet 9 to adjust the angle. The personnel fix the fixing plate 601 with the pawl 5 through the fixing screw 602. The rubber buffer pad 7 can increase the contact area between the pawl 5 and the adjusting ratchet 9, improve the stability and tightness between them, and reduce the risk of accidental sliding or slipping of the pawl 5. When the pawl 5 contacts the adjusting ratchet 9, the buffer pad 7 can provide buffering, reduce the noise and vibration generated when the pawl 5 performs mechanical movement, and at the same time reduce the wear and damage of mechanical parts, extend the service life of mechanical parts, and reduce the maintenance cost of equipment;

[0038] The second step: when in use, the personnel fix the fixing plate 1001 and the support plate 1 with screws, then put the locking claw 11 on the limiting column 1003 and use the fixing cover 1004 to limit and fix it, then insert the spring sheet 13 into the inside of the plug-in slot 1002 and fix it with screws. The threaded and plug-in design facilitates the personnel to disassemble and replace the locking claw 11 and the spring sheet 13 later. When the locking claw 11 is worn or damaged, it can be quickly replaced without disassembling the entire mechanism or equipment, making the cleaning and maintenance process of the locking claw 11 simpler. At the same time, it is convenient for personnel to replace locking claws 11 of different types or specifications as needed, so as to better meet the design and use needs of personnel.

[0039] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0040] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-adjustable ratchet angle adjustment mechanism, comprising a support plate (1), characterized in that: The side of the support plate (1) is fixedly connected to a driving component (2), the surface of the driving component (2) is sleeved with a connecting rod (3), the side of the connecting rod (3) is sleeved with a rocker (4), the side of the rocker (4) is fixedly connected to a pawl (5), the bottom of the pawl (5) is threadedly connected to a noise reduction component (6), the bottom of the noise reduction component (6) is fixedly connected to a buffer pad (7), the side of the support plate (1) is fixedly connected to a supporting rod (8), the surface of the supporting rod (8) is sleeved with an adjusting ratchet (9), the side of the support plate (1) is screw-threadedly connected to a fixing component (10), the surface of the fixing component (10) is slidably connected to a stop pawl (11), and the side of the support plate (1) is screw-threadedly connected to a limiting component (12).

2. The multi-adjustable ratchet angle adjustment mechanism according to claim 1, characterized in that: The driving assembly (2) comprises a protective cover (201) fixedly connected to a side surface of the support plate (1); a servo motor (202) is fixedly connected to the interior of the protective cover (201); a transmission rod (203) is spline-connected to an output end of the servo motor (202); a rotating rod (204) is fixedly connected to the side surface of the transmission rod (203); a fixed rod (205) is fixedly connected to the side surface of the rotating rod (204); and a connecting rod (3) is sleeved on the surface of the fixed rod (205).

3. The multi-adjustable ratchet angle adjustment mechanism according to claim 1, characterized in that: The noise reduction component (6) comprises a fixing plate (601) threadedly connected to the bottom of the pawl (5), a threaded hole is provided on the side of the fixing plate (601), a fixing screw (602) is threadedly connected inside the threaded hole, and a buffer pad (7) is fixedly connected to the bottom of the fixing plate (601).

4. The multi-adjustable ratchet angle adjustment mechanism according to claim 1, characterized in that: The fixing assembly (10) comprises a fixing plate (1001) which is threadedly connected to the side of the support plate (1) by means of screws, the side of the fixing plate (1001) is fixedly connected with a plug-in slot (1002), the side of the fixing plate (1001) is fixedly connected with a limiting column (1003), the side of the limiting column (1003) is threadedly connected with a fixing cover (1004), and the surface of the limiting column (1003) is slidably connected with a locking claw (11).

5. The multi-adjustable ratchet angle adjustment mechanism according to claim 1, characterized in that: The side surface of the connecting rod (3) is threadedly connected to the limiting plate A, the side surface of the supporting rod (8) is threadedly connected to the limiting plate B, and the material of the buffer pad (7) is rubber.

6. The multi-adjustable ratchet angle adjustment mechanism according to claim 4, characterized in that: A threaded hole is provided on the side of the plug-in slot (1002), and a spring sheet (13) is inserted into the interior of the plug-in slot (1002).