High-bearing-capacity automobile spare tire up-down regulator transmission mechanism
By using a worm gear and chain drive system, combined with the design of a limiting plate and limiting groove, the problem of swaying during the lifting and lowering of a high-load-bearing vehicle spare tire is solved, achieving smooth lifting and lowering of the spare tire and convenient disassembly and assembly of the crank handle, thus improving the stability and safety of operation.
Patent Information
- Application Number
- CN202520468191.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-03-18
AI Technical Summary
Existing technology makes it difficult to stably raise and lower the spare tire of a high-load vehicle, resulting in significant shaking of the spare tire during the raising and lowering process, which increases the difficulty of replacement and poses a threat to safety.
It adopts a worm gear transmission mechanism and a chain transmission system. The worm drives the worm wheel to drive the sprocket, and the chain drives the bracket to lift and lower. The cooperation of the limit plate and the limit groove enables the spare tire to be lifted and lowered smoothly. At the same time, the crank handle is easy to disassemble and assemble through the plug and locking block structure, ensuring the stability of power transmission.
It enables smooth raising and lowering of the spare tire, improving the stability and safety of the raising and lowering process, and simplifies the disassembly and assembly of the crank handle, thus enhancing the convenience and reliability of operation.
Smart Images
Figure CN223750994U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to spare tire lifter technical field especially relates to a high bearing capacity automobile spare tire lifter transmission mechanism. BACKGROUND
[0002] In the field of automobiles, proper storage and convenient access of spare tires are crucial, especially for high bearing capacity automobiles, the weight and size of the spare tire are larger, how to safely and stably operate the lifting of the spare tire is directly related to the convenience and safety of the vehicle in use, in actual use scenarios such as long-distance transportation, field operation, etc., once the vehicle encounters tire failure, the spare tire needs to be replaced quickly, at this time, a reliable spare tire lifter transmission mechanism can quickly and stably lower or lift the spare tire, not only can save valuable time, but also can reduce the safety risks caused by improper operation.
[0003] Some existing automobile spare tire lifting mechanisms use a simple manual winch method, which rotates the winch by manpower to drive the steel wire rope to wind or loosen, achieving the lifting of the spare tire, and some use an electric lifting mechanism, which drives the gear transmission by motor to lift the spare tire.
[0004] However, the prior art has the problem of being difficult to stably lift the high bearing capacity automobile spare tire, the force is difficult to control uniformly during the lifting operation of the spare tire, resulting in obvious shaking of the spare tire during lifting, which not only increases the difficulty of replacing the spare tire, but also poses a safety threat to the surrounding personnel, when facing the large weight of the high bearing capacity automobile spare tire and the special use environment, the stability of the spare tire during lifting cannot be guaranteed, therefore, a high bearing capacity automobile spare tire lifter transmission mechanism is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] In order to make up for the above shortcomings, the utility model provides a high bearing capacity automobile spare tire lifter transmission mechanism, which aims to improve the problem that the spare tire shakes obviously during lifting in the prior art and cannot guarantee the stability of the spare tire during lifting.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0007] A high bearing capacity automobile spare tire lifter transmission mechanism, comprising a mounting frame, a fixed frame is fixedly connected inside the mounting frame, a transmission column is rotatably connected inside the fixed frame, a transmission assembly is arranged at one end of the transmission column, and a connecting assembly is arranged at the other end of the transmission column;
[0008] The transmission assembly includes a worm, one end of the worm is fixedly connected to one end of the transmission column, a rotating column is rotatably connected to the inside of the fixed frame, a worm wheel is fixedly connected to the outer wall of the rotating column, the worm and the worm wheel are engaged, a chain wheel is fixedly connected to the outer wall of the rotating column, a chain is arranged on the outer wall of the chain wheel, a bracket is arranged at one end of the chain, a tire is arranged on the outer wall of the bracket, a limiting plate is fixedly connected to the top of the bracket, a limiting groove is formed in the inside of the fixed frame, and the limiting plate is slidably connected to the inside of the limiting groove.
[0009] As a further description of the above technical solution:
[0010] The inside of the fixed frame is provided with a sliding groove, and a sliding block is slidably connected in the inside of the sliding groove.
[0011] As a further description of the above technical solution:
[0012] The connecting assembly includes a connecting column and a plug-in column, one end of the connecting column is fixedly connected to the other end of the transmission column, and the plug-in column is slidably connected to the inside of the connecting column.
[0013] As a further description of the above technical solution:
[0014] One end of the plug-in column is fixedly connected with a crank.
[0015] As a further description of the above technical solution:
[0016] The inside of the plug-in column is slidably connected with a baffle, and the top of the baffle is fixedly connected with a clamping block.
[0017] As a further description of the above technical solution:
[0018] The inside of the plug-in column is slidably connected with a supporting column, and the top end of the supporting column is fixedly connected to the bottom of the tire.
[0019] As a further description of the above technical solution:
[0020] The inside of the connecting column is provided with a clamping groove, and the clamping block is slidably connected in the inside of the clamping groove.
[0021] As a further description of the above technical solution:
[0022] The outer wall of the supporting column is sleeved with a spring, and the two ends of the spring are fixedly connected to the inside of the baffle and the plug-in column, respectively.
[0023] The utility model has the following beneficial effects:
[0024] 1. In the utility model, through the rocking handle drives the transmission column to rotate, the transmission column drives the worm to rotate, the worm wheel drives the sprocket to rotate, the sprocket drives the chain to move, and the chain finally drives the bracket to lift, realizing the lifting of the tire, and simultaneously, the limiting plate on the top of the bracket slides in the limiting slot inside the fixed frame, realizing the effect of stably lifting the spare tire, solving the problem that the spare tire shakes obviously during lifting and cannot guarantee the stability of the spare tire during lifting, thereby improving the stability during lifting of the spare tire.
[0025] 2. In the utility model, during the process of inserting the connecting column into one end of the transmission column, the clamping block inside the insertion column is extruded by the connecting column inside and slides into the insertion column and compresses the bottom spring, when the insertion column completely slides into the connecting column, the spring unloads and rebounds to drive the clamping block to reset and be clamped in the clamping groove inside the connecting column, completing fixing, and installation is stable and reliable, when disassembling, press the clamping block to make it slide into the insertion column, the insertion column can be taken off from the connecting column, realizing the disassembly of the rocking handle, realizing the effect that the rocking handle is convenient to disassemble and can stably transmit power after installation, solving the problem that the rocking handle is inconvenient to disassemble after lifting is completed, thereby improving the stability during lifting of the spare tire. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 It is a three-dimensional schematic view of the high-bearing automobile spare tire lifter transmission mechanism of the utility model;
[0027] Figure 2 It is an internal structure schematic view of the mounting frame of the high-bearing automobile spare tire lifter transmission mechanism of the utility model;
[0028] Figure 3 It is a sprocket structure schematic view of the high-bearing automobile spare tire lifter transmission mechanism of the utility model;
[0029] Figure 4 It is a connecting column cross-section structure schematic view of the high-bearing automobile spare tire lifter transmission mechanism of the utility model.
[0030] LEGEND:
[0031] 1, mounting frame;2, fixed frame;3, transmission column;4, worm;5, rotating column;6, worm wheel;7, sprocket;8, chain;9, bracket;10, tire;11, limiting plate;12, limiting slot;13, sliding block;14, sliding slot;15, connecting column;16, insertion column;17, rocking handle;18, clamping groove;19, support column;20, baffle;21, spring;22, clamping block. DETAILED DESCRIPTION
[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0033] With reference to Figures 1-3 The utility model provides an embodiment: a kind of high bearing automobile spare tire lifter transmission mechanism, including mounting frame 1, mounting frame 1 as the support structure of entire lifter, fixedly connected with fixed frame 2 in mounting frame 1, fixed frame 2 inside rotationally connected with transmission column 3, transmission column 3 one end is provided with transmission assembly, transmission column 3 other end is provided with connecting assembly;
[0034] Transmission assembly includes worm 4, worm 4 one end is fixedly connected in transmission column 3 one end, rotationally connected with rotating column 5 in fixed frame 2 inside, rotating column 5 outer wall is fixedly connected with worm wheel 6, worm 4 and worm wheel 6 are engaged, realize efficient power transmission, rotating column 5 outer wall is fixedly connected with chain wheel 7, chain wheel 7 outer wall is provided with chain 8, its movement can drive bracket 9 to carry out accurate lifting, chain 8 one end is provided with bracket 9, bracket 9 outer wall is provided with tire 10, the up-and-down movement of bracket 9 is driven by chain 8, and is limited by the cooperation of limiting plate 11 and limiting groove 12, bracket 9 top is fixedly connected with limiting plate 11, limiting groove 12 is set in fixed frame 2 inside, limiting plate 11 is slidably connected in limiting groove 12 inside, can effectively limit the movement range of bracket 9 in lifting process, limiting groove 12 is set in fixed frame 2 inside, sliding groove 14 is slidably connected with sliding block 13 in sliding groove 14 inside, chain 8 other end is rotationally connected in one side of sliding block 13.
[0035] Specifically, when using the lifter, first need to rotate handle 17, the rotation of handle 17 drives transmission column 3 to rotate in fixed frame 2, when transmission column 3 rotates, worm 4 starts to rotate, worm 4 is engaged with worm wheel 6, the rotation of worm wheel 6 drives rotating column 5, rotating column 5 is connected with external chain wheel 7, drives chain wheel 7 to rotate, the rotation of chain wheel 7 further drives the movement of outer wall chain 8, the movement of chain 8 drives the lifting of one end bracket 9, the lifting of bracket 9 directly affects the height of tire 10, to realize the accurate lifting of tire 10, the design of bracket 9 also considers the cooperation between limiting plate 11 in fixed frame 2, limiting plate 11 is located in the limiting groove 12 of fixed frame 2, the design of limiting groove 12 ensures that limiting plate 11 can slide freely within a certain range, thereby effectively controlling the up-and-down movement of bracket 9, avoiding that bracket 9 is excessively raised or dropped, the cooperation of limiting plate 11 and limiting groove 12 ensures the safety of lifting process, avoids that equipment is damaged or operator is injured due to unstable movement.
[0036] With reference to Figure 2 And Figure 4 , the connecting assembly comprises a connecting column 15 and a plug-in column 16, one end of the connecting column 15 is fixedly connected to the other end of the transmission column 3, the plug-in column 16 is slidingly connected inside the connecting column 15, one end of the plug-in column 16 is fixedly connected with a crank 17, the crank 17 is the main component for the operator to operate lifting, the plug-in column 16 is slidingly connected with a baffle 20 inside, the top of the baffle 20 is fixedly connected with a clamping block 22, the plug-in column 16 is slidingly connected with a supporting column 19 inside, the top end of the supporting column 19 is fixedly connected to the bottom of the tire 10, the connecting column 15 is provided with a clamping groove 18 inside, the clamping block 22 is slidingly connected inside the clamping groove 18, the supporting column 19 is provided with a spring 21 on the outer wall, both ends of the spring 21 are fixedly connected to the baffle 20 and the inside of the plug-in column 16 respectively, and the position of the clamping block 22 is adjusted through the elastic force of the spring 21.
[0037] Specifically, after lifting is completed, the clamping block 22 can be pressed to smoothly slide into the inside of the plug-in column 16, at this time, the plug-in column 16 can be easily taken out from the inside of the connecting column 15, and then the crank 17 is disassembled from one end of the transmission column 3, when installing, the plug-in column 16 at one end of the crank 17 is inserted into the inside of the connecting column 15 at one end of the transmission column 3, and the accurate butt joint of the plug-in column 16 and the connecting column 15 is ensured, in this process, the clamping block 22 inside the plug-in column 16 will be pressed by the connecting column 15 inside, causing the clamping block 22 to slide into the plug-in column 16, in addition, the bottom of the clamping block 22 is connected with the spring 21, when the clamping block 22 slides into the plug-in column 16, the spring 21 is compressed, when the plug-in column 16 is completely inserted into the connecting column 15, the compressed spring 21 will be unloaded and rebound quickly, driving the clamping block 22 to reset, at this time, the clamping block 22 will be pushed by the rebounding force of the spring 21, quickly entering the clamping groove 18 inside the connecting column 15, ensuring that the plug-in column 16 is firmly fixed in the connecting column 15, so as to achieve the convenience and stability of the crank 17 in the disassembly process.
[0038] Working principle: when using the elevator, first by rotating the handle 17, make it drive transmission column 3 inside the fixed frame 2 rotation, transmission column 3 force driven one end of the worm 4 rotation, worm 4 force driven with it meshing worm gear 6 rotation, while the worm gear 6 force driven inside the rotating column 5 rotation, rotating column 5 drive the outer wall of the sprocket 7 rotation, in turn make the sprocket 7 drive the outer wall of the chain 8 movement, chain 8 drive one end of the bracket 9 lifting, so that the bracket 9 drive the tire 10 lifting, at the same time, the bracket 9 will drive the top of the limiting plate 11 in the fixed frame 2 inside the limiting slot 12 sliding, so as to reach the effect of stable lifting of the spare tire, after lifting, can be pressed by pressing the block 22, make it slip into the plug-in column 16 inside, then the plug-in column 16 from the connecting column 15 inside, in turn, the handle 17 from the transmission column 3 one end of the column 3 is taken off, when installing, the handle 17 one end of the plug-in column 16 is inserted into the connecting column 15 inside the transmission column 3 one end, in this process, the plug-in column 16 inside the block 22 will be extruded by the connecting column 15 inside, in turn, make the block 22 slip into the plug-in column 16 inside, at the same time, the block 22 on the bottom of the spring 21 compression, when the plug-in column 16 completely slip into the connecting column 15 inside, through the spring 21 unloading rebound, in turn, drive the block 22 reset, make it clamped in the connecting column 15 inside the block slot 18 complete fixed, so as to reach the effect of the handle 17 easy to disassemble.
[0039] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the person skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.
Claims
1. A high load bearing automotive spare tire lifter transmission mechanism comprising a mounting bracket (1) characterized by: The mounting frame (1) is internally fixedly connected with a fixed frame (2), the fixed frame (2) is rotatably connected with a transmission column (3) internally, one end of the transmission column (3) is provided with a transmission assembly, the other end of the transmission column (3) is provided with a connecting assembly; The transmission assembly comprises a worm (4), one end of the worm (4) is fixedly connected with the transmission column (3), the fixed frame (2) is rotatably connected with a rotating column (5) internally, the rotating column (5) is fixedly connected with a worm wheel (6) on the outer wall, the worm (4) and the worm wheel (6) are engaged, the rotating column (5) is fixedly connected with a chain wheel (7) on the outer wall, the chain wheel (7) is provided with a chain (8) on the outer wall, one end of the chain (8) is provided with a bracket (9), the bracket (9) is provided with a tire (10) on the outer wall, the bracket (9) is fixedly connected with a limiting plate (11) on the top, the fixed frame (2) is internally provided with a limiting groove (12), the limiting plate (11) is slidably connected in the limiting groove (12) internally.
2. A high load bearing automotive spare tire carrier lift actuator mechanism as described in claim 1, wherein: The fixed frame (2) is internally provided with a sliding groove (14), the sliding groove (14) is slidably connected with a sliding block (13) internally, the other end of the chain (8) is rotatably connected on one side of the sliding block (13).
3. A high load bearing automotive spare tire carrier lift actuator mechanism as defined in claim 1 wherein: The connecting assembly comprises a connecting column (15) and a plug column (16), one end of the connecting column (15) is fixedly connected with the other end of the transmission column (3), the plug column (16) is slidably connected in the connecting column (15).
4. A high load bearing automotive spare tire carrier lift actuator mechanism as defined in claim 3 wherein: One end of the plug column (16) is fixedly connected with a crank (17).
5. A high load bearing automotive spare tire carrier lift actuator mechanism as defined in claim 4 wherein: The plug column (16) is slidably connected with a baffle (20) internally, the baffle (20) is fixedly connected with a clamping block (22) on the top.
6. A high load bearing automotive spare tire carrier lift actuator mechanism as defined in claim 5 wherein: The plug column (16) is slidably connected with a supporting column (19) internally, the supporting column (19) is fixedly connected with the bottom of the tire (10) on the top.
7. A high load bearing automotive spare tire carrier lift actuator mechanism as defined in claim 6 wherein: The connecting column (15) is internally provided with a clamping groove (18), the clamping block (22) is slidably connected in the clamping groove (18).
8. A high load bearing automotive spare tire carrier lift actuator mechanism as defined in claim 7, wherein: The supporting column (19) is provided with a spring (21) on the outer wall, the spring (21) is fixedly connected with the baffle (20) and the plug column (16) respectively on both ends.