Rotary operation mechanism of lifting device and lifting device
By designing a rotary operating mechanism, the disassembly connection between the first cylinder and the handle or wrench is solved, the problems of cumbersome operation and safety hazards of the jack are achieved, and the rapid preloading and lifting of the lifting device is achieved, and the working efficiency and safety are improved.
Patent Information
- Application Number
- CN202420509228.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-15
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-03-15
AI Technical Summary
The existing mechanical jacks use small cast iron sheet-shaped handles with bolt holes and cylindrical tools for load-bearing and support. The operation is cumbersome and laborious, and there are safety hazards and affects work efficiency.
A rotary operating mechanism is designed, including a detached connection between the first column and the handle or wrench, to realize rotation of the power input end by transmitting torque, and combined with the second column and the hollow handle, to provide an operating handle block and a concave surface, suitable for fast hand-handed Rotate and loose, suitable for pre-tightening and lifting of lifting devices.
It realizes rapid preloading and lifting of the lifting device, reduces labor intensity, eliminates safety hazards, improves work efficiency, is suitable for operations without loading and loading, and has the characteristics of safe performance, firm, flexible and reliable.
Smart Images

Figure CN222312584U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of lifting, and more specifically relates to a rotary operating mechanism of a lifting device and a lifting device. Background Art
[0002] At present, there are many models being trial-produced in the automobile research and development stage, such as sedans, MPVs and SUVs. In the process of trial-producing EP cars and finished new cars, tire disassembly and installation are often encountered in daily work. As a lifting device tool for the vehicle, it is frequently used. Nowadays, the lifting devices used with many brands of new cars are mechanical jacks, which can be used to lift the entire vehicle. However, the jack usually uses a small cast iron sheet handle with a bolt hole in the unloaded pre-tightened stage. The operation is cumbersome and inconvenient, the labor intensity is high, and the work efficiency is affected. In the stage of supporting the whole vehicle under load, the jack usually uses a U-head iron columnar tool to rotate, which is also inconvenient to operate, laborious and easy to bump into the hand, posing a safety hazard. Utility Model Content
[0003] The purpose of the utility model is to provide a rotating operating mechanism of a lifting device and a lifting device in view of the deficiencies in the existing technology, so as to solve the problem proposed in the above background technology that the jack is usually rotated with a small cast iron sheet handle with a bolt hole in the unloaded pretightening stage, and the jack is usually rotated with a U-head iron columnar tool in the load-bearing supporting the whole vehicle stage, which is very inconvenient to operate, has high labor intensity, is laborious and easy to hurt the hands, has potential safety hazards and affects work efficiency.
[0004] In order to achieve the above object, the utility model provides a rotary operating mechanism of a lifting device, the rotary operating mechanism comprising:
[0005] A first column, one end of which is used to be connected to a power input end of a lifting device;
[0006] A handle, wherein a first inner hole is provided in the middle of the handle, the first inner hole is detachably connected to the other end of the first column, and can transmit torque when the other end of the first column is inserted into the first inner hole, and at least two handle blocks for operation are protruded from one side of the handle located around the first inner hole;
[0007] A wrench, wherein the wrench head of the wrench is provided with a wrench hole, the wrench hole is detachably connected to the other end of the first column and can transmit torque when the other end of the first column is inserted into the wrench hole.
[0008] Preferably, the rotating operating mechanism of the lifting device also includes a second column, one end of the second column is connected to one end of the first column, and the other end of the second column is used to connect to the power input end of the lifting device. A second inner hole is provided in the middle of the handle, and the axis of the first inner hole and the axis of the second inner hole are located on the same straight line, and the second inner hole is used to be connected with the second column by interference fit.
[0009] Preferably, there are two handle blocks, which are arranged opposite to each other, and two sides of the handle blocks are provided with concave surfaces for operation.
[0010] Preferably, the other side of the handle is arranged at a position close to the lifting device, and the second inner hole is arranged at a position close to the other side of the handle.
[0011] Preferably, the outer edge of the first column is hexagonal, the inner edge of the first inner hole is hexagonal, the outer edge of the second column is circular, and the inner edge of the second inner hole is circular.
[0012] Preferably, the wrench is a ratchet hexagonal wrench.
[0013] Preferably, the first column and the second column are integrally formed as a cylindrical hexagonal fastener.
[0014] Preferably, the handle is located on the peripheral side of the first inner hole and is hollow.
[0015] A lifting device, comprising:
[0016] Lifting device body;
[0017] The rotary operating mechanism of the lifting device is connected to the power input end of the lifting device body.
[0018] Preferably, the lifting device body is a scissor jack.
[0019] The utility model provides a rotary operating mechanism of a lifting device and a lifting device, and the beneficial effects are as follows: one end of a first column of the rotary operating mechanism is connected to a power input end of the lifting device, and the other end of the first column can transmit torque when inserted into a first inner hole of a handle or a wrench hole of a spanner, and when the handle is rotated or the wrench is pulled, the power input end can rotate. When in use, the lifting device is first placed on a flat ground below a vehicle, and the operating handle is quickly rotated to quickly pre-tighten and lift the lifting device, and the supporting position gradually approaches the supporting point of the vehicle, and after the support is stressed, the wrench head cover of the wrench is then set on the first column. On, start to quickly rotate the wrench to make the lifting device continue to lift or lower until the lifting purpose is completed, which is suitable for safe and convenient operation with bare hands; when the lifting device is not loaded, this rotary operating mechanism can be quickly pre-tightened or loosened by the handle to make it rise or fall, and has the characteristics of safe performance, firmness, flexibility, reliability and easy operation; when the lifting device is loaded, it can be quickly tightened or loosened by the wrench to make it rise or fall, and has the characteristics of saving time and labor, good safety and stability, and smooth taking off and lowering; from the overall use situation, this rotary operating mechanism is convenient and efficient in use, reduces labor intensity, eliminates safety hazards, and greatly improves work efficiency.
[0020] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] The above and other objects, features and advantages of the present invention will become more apparent through a more detailed description of exemplary embodiments of the present invention in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the same components in the exemplary embodiments of the present invention.
[0022] Figure 1 A schematic diagram of the three-dimensional structure of a rotating operating mechanism of a lifting device and the lifting device according to an embodiment of the utility model is shown;
[0023] Figure 2 A schematic diagram showing a rotary operating mechanism of a lifting device and a disassembled structure of the lifting device according to an embodiment of the utility model is shown;
[0024] Figure 3 A schematic diagram showing a rotary operating mechanism of a lifting device and a structural diagram of the lifting device in use according to an embodiment of the utility model is shown;
[0025] Figure 4 A schematic diagram of the three-dimensional structure of a rotating operating mechanism of a lifting device and a first column and a second column of the lifting device according to an embodiment of the utility model is shown;
[0026] Figure 5A schematic diagram of the front view of a rotary operating mechanism of a lifting device and a handle of the lifting device according to an embodiment of the utility model is shown;
[0027] Figure 6 A side structural schematic diagram of a rotary operating mechanism of a lifting device and a handle of the lifting device according to an embodiment of the utility model is shown;
[0028] Figure 7 A three-dimensional structural schematic diagram of a rotary operating mechanism of a lifting device and a handle of the lifting device according to an embodiment of the utility model is shown.
[0029] Description of reference numerals:
[0030] 1. Lifting device body; 2. Handle; 3. First column; 4. Wrench; 5. Second column; 6. Handle block. DETAILED DESCRIPTION
[0031] The preferred embodiments of the present invention will be described in more detail below. Although the preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.
[0032] like Figure 1-3 As shown, the utility model provides a rotary operating mechanism of a lifting device, the rotary operating mechanism comprising:
[0033] A first column 3, one end of which is used to be connected to a power input end of the lifting device;
[0034] A handle 2, wherein a first inner hole is provided in the middle of the handle 2, and the first inner hole is detachably connected to the other end of the first column 3, and can transmit torque when the other end of the first column 3 is inserted into the first inner hole, and at least two handle blocks 6 for operation are protruded from one side of the handle 2 located around the first inner hole;
[0035] The wrench 4 has a wrench head provided with a wrench hole, which is detachably connected to the other end of the first column 3 and can transmit torque when the other end of the first column 3 is inserted into the wrench hole.
[0036] Specifically, in order to solve the problem that the jack is usually rotated with a small cast iron sheet handle with a bolt hole in the unloaded pretightening stage, and the jack is usually rotated with a U-head iron columnar tool in the load-bearing supporting the whole vehicle stage, which is very inconvenient to operate, has high labor intensity, is laborious and easy to hurt the hands, has potential safety hazards and affects work efficiency, the utility model provides a rotating operating mechanism for a lifting device, one end of a first column 3 of the rotating operating mechanism is connected to the power input end of the lifting device, and the other end of the first column 3 is inserted into the first inner hole of the handle 2 or the wrench hole of the wrench 4 to transmit torque. When the handle 2 is rotated or the wrench 4 is turned, the power input end can be rotated. When in use, the lifting device is first placed on the flat ground under the vehicle, and the operating handle 2 is quickly rotated to make the lifting device It is quickly pre-tightened and raised, and the support position gradually approaches the vehicle support point. After the support is stressed, the wrench head of the wrench 4 is set on the first column 3, and the wrench 4 is quickly rotated to make the lifting device continue to lift or lower until the lifting purpose is completed. It is suitable for safe and convenient operation with bare hands; when the lifting device is not loaded, this rotary operating mechanism can be quickly pre-tightened or loosened by the handle 2 to make it rise or fall, and has the characteristics of safe performance, firmness, flexibility, reliability and easy operation. When the lifting device is loaded, it can be quickly tightened and loosened by the wrench 4 to make it rise or fall, and has the characteristics of time-saving and labor-saving, good safety and stability, and smooth taking off and lowering; from the overall use situation, this rotary operating mechanism has the advantages of convenient and efficient use process, reduced labor intensity and eliminated safety hazards, greatly improving work efficiency.
[0037] Preferably, the rotating operating mechanism of the lifting device also includes a second column 5, one end of the second column 5 is connected to one end of the first column 3, and the other end of the second column 5 is used to connect to the power input end of the lifting device. A second inner hole is provided in the middle of the handle 2, and the axis of the first inner hole and the axis of the second inner hole are located on the same straight line, and the second inner hole is used to be connected with the second column 5 by interference fit.
[0038] Specifically, the second inner hole of the handle 2 can pass through the first column 3, and the junction of the first inner hole and the second inner hole can be stuck in the junction of the first column 3 and the second column 5. The second inner hole can achieve an interference fit with the second column 5 to prevent the handle 2 from loosening. At the same time, the first inner hole is also sleeved on the first column 3. When the handle 2 is rotated, the lifting device can be quickly pre-tightened and raised, and the supporting position gradually approaches the vehicle support point until the whole vehicle is loaded. Similarly, it rotates in the opposite direction and quickly descends to the origin.
[0039] like Figure 4-7 As shown, preferably, there are two handle blocks 6 , which are arranged opposite to each other, and both sides of the handle blocks 6 are provided with concave surfaces for operation.
[0040] Specifically, the two sides of the handle block 6 are designed to be concave, which is convenient for placing fingers on the two handle blocks 6, so that the handle block 6 can be quickly rotated by holding it barehanded, and it is convenient to rotate it clockwise or counterclockwise to realize the ascent or descent of the vehicle, and it can prevent it from falling off from the hand.
[0041] Preferably, the other side of the handle 2 is arranged at a position close to the lifting device, and the second inner hole is arranged at a position close to the other side of the handle 2.
[0042] Specifically, the other side of the handle 2 is arranged at a position close to the lifting device to facilitate the operation of the handle block 6 on one side of the handle 2.
[0043] Preferably, the outer edge of the first column 3 is hexagonal, the inner edge of the first inner hole is hexagonal, the outer edge of the second column 5 is circular, and the inner edge of the second inner hole is circular.
[0044] Specifically, when the hexagonal first inner hole is sleeved on the hexagonal first column 3, due to the limitation of the edge, the handle 2 can drive the first column 3 to rotate, and then drive the power input end to rotate.
[0045] Preferably, the wrench 4 is a ratchet hexagonal wrench.
[0046] Specifically, when the operating handle 2 makes the lifting device gradually approach the vehicle support point, until the whole vehicle is loaded, the wrench hole of the wrench head of the ratchet hexagonal wrench can be sleeved on the first column 3, and the ratchet hexagonal wrench can be turned to quickly tighten or loosen to achieve rapid ascent or descent of the lifting device when the lifting device is loaded with the whole vehicle.
[0047] The wrench hole of the plum blossom ratchet wrench head of the ratchet hexagonal wrench is combined with the hexagonal first column 3. When tightening, the inner teeth of the plum blossom ratchet wrench head rotate with the wrench 4 to drive the first column 3 to rotate. When rotating, the inner teeth and the first column 3 remain stationary, and the wrench 4 moves. Repeating this process can achieve rapid tightening. Operating the wrench 4 in reverse can achieve rapid loosening in the same way, thereby achieving the purpose of rapidly raising or lowering the entire vehicle.
[0048] Preferably, the first column 3 and the second column 5 are integrally formed as a cylindrical hexagonal fastener.
[0049] Preferably, the handle 2 is located on the peripheral side of the first inner hole and is hollow.
[0050] Specifically, the hollow handle 2 can reduce weight.
[0051] A lifting device, comprising:
[0052] Lifting device body 1;
[0053] The rotary operating mechanism of the lifting device is connected to the power input end of the lifting device body 1.
[0054] Preferably, the lifting device body 1 is a scissor jack.
[0055] Specifically, the power input end is one end of a lead screw operating rod of the scissor jack.
[0056] In summary, when the lifting device of the utility model is implemented using the rotary operating mechanism, first, the lifting device body 1 is placed on the flat ground under the vehicle, and the operating handle 2 is quickly rotated to make the lifting device body 1 quickly pre-tightened and lifted, and the support position gradually approaches the vehicle support point. After the support is stressed, the wrench head sleeve of the wrench 4 is set on the first column 3, and the wrench 4 is started to be quickly rotated to make the lifting device body continue to lift or lower until the lifting purpose is completed, which is suitable for safe and convenient operation with bare hands; when the lifting device body 1 is not loaded, this rotary operating mechanism can be quickly pre-tightened or loosened by the handle 2 to make it rise and fall, and has the characteristics of safe performance, firmness, flexibility and reliability, and easy operation; when the lifting device body 1 is loaded, it can be quickly loosened and loosened by the wrench 4 to make it rise and fall, and has the characteristics of time-saving and labor-saving, good safety and stability, and smooth taking off and lowering; after verification on various vehicle models, when this lifting device body 1 uses the rotary operating mechanism as a vehicle-mounted tool, it is easy to operate, safe and convenient, fast and labor-saving, improves efficiency, reduces labor intensity, and eliminates safety hazards.
[0057] The various embodiments of the utility model have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims
1. A rotary operating mechanism of a lifting device, characterized in that: The rotary operating mechanism comprises: A first column, one end of which is used to be connected to a power input end of a lifting device; A handle, wherein a first inner hole is provided in the middle of the handle, the first inner hole is detachably connected to the other end of the first column, and can transmit torque when the other end of the first column is inserted into the first inner hole, and at least two handle blocks for operation are protruded from one side of the handle located around the first inner hole; A wrench, wherein the wrench head of the wrench is provided with a wrench hole, the wrench hole is detachably connected to the other end of the first column and can transmit torque when the other end of the first column is inserted into the wrench hole.
2. The rotary operating mechanism of a lifting device according to claim 1, characterized in that: The rotating operating mechanism of the lifting device also includes a second column, one end of the second column is connected to one end of the first column, and the other end of the second column is used to connect to the power input end of the lifting device. A second inner hole is provided in the middle of the handle, and the axis of the first inner hole and the axis of the second inner hole are located on the same straight line. The second inner hole is used to be connected with the second column by interference fit.
3. The rotary operating mechanism of a lifting device according to claim 1, characterized in that: There are two handle blocks, which are arranged opposite to each other, and two sides of the handle blocks are provided with concave surfaces for operation.
4. The rotary operating mechanism of a lifting device according to claim 2, characterized in that: The other side of the handle is arranged at a position close to the lifting device, and the second inner hole is arranged at a position close to the other side of the handle.
5. The rotary operating mechanism of a lifting device according to claim 2, characterized in that: The outer edge of the first column is hexagonal, the inner edge of the first inner hole is hexagonal, the outer edge of the second column is circular, and the inner edge of the second inner hole is circular.
6. The rotary operating mechanism of a lifting device according to claim 5, characterized in that: The wrench is a ratchet hexagonal wrench.
7. The rotary operating mechanism of a lifting device according to claim 5, characterized in that: The first column and the second column are integrally formed as a cylindrical hexagonal fastener.
8. The rotary operating mechanism of a lifting device according to claim 1, characterized in that: The handle is located on the peripheral side of the first inner hole and is hollow.
9. A lifting device, characterized in that: include: Lifting device body; The rotary operating mechanism of a lifting device according to any one of claims 1 to 8 is connected to the power input end of the lifting device body.
10. A lifting device according to claim 9, characterized in that: The lifting device body is a scissor jack.