Fine adjustment base for jack

Abstract

The utility model relates to the technical field of jacks, and discloses a fine adjustment base for a jack, which comprises a jack body and a connecting seat, the connecting seat is mounted below the jack body, an adjusting structure is mounted on the inner side of the connecting seat, and the adjusting structure comprises a storage tank, a gear and a bearing. Four storage grooves are formed in the connecting base, gears are arranged on the inner sides of the storage grooves, one side of each gear is connected with the inner wall of the connecting base through a bearing, a servo motor is installed on the other side of each gear, tooth grooves are formed in the left side and the right side of each gear, and the tooth grooves are formed in the inner walls of the fixing columns. The fixing column is arranged in the fixing groove; the universal wheels are balanced in stress, the position of the device can be conveniently adjusted, local fine adjustment does not need overall movement, the device is rapidly adaptive to uneven and complex terrains, and stability and safety are improved.

Description

Technical Field

[0001] This utility model relates to the field of jack technology, specifically to a fine-tuning base for a jack. Background Technology

[0002] A jack is a small lifting device that uses a rigid lifting component as its working device to lift heavy objects within a short stroke through a top support or bottom claw. Jacks are mainly used in factories, mines, transportation and other departments for vehicle repair and other lifting and support work.

[0003] Existing jack bases have the following shortcomings: First, they lack fine-tuning capabilities when used on uneven, inclined, or soft ground, easily leading to uneven force distribution on the jack and a risk of tipping over. Second, while traditional wheeled bases are easy to move, the wheels are not locked during support, making them prone to slippage and causing the jack to tilt, posing a high safety risk. Furthermore, when making localized adjustments, the entire device often needs to be manually moved, resulting in low efficiency. This invention aims to solve the above problems by providing a fine-tuning jack base that achieves localized fine-tuning via electric means, provides stable support on complex terrain, and also ensures ease of movement. Utility Model Content

[0004] The purpose of this invention is to provide a fine-tuning base for a jack to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a fine-adjustment base for a jack, comprising a jack body and a connecting seat, wherein the connecting seat is installed below the jack body, and an adjustment structure is installed on the inner side of the connecting seat;

[0006] The adjustment structure includes storage slots, gears, and bearings. The connecting seat has four storage slots inside, and gears are located inside each storage slot. One side of each gear is connected to the inner wall of the connecting seat via a bearing, and a servo motor is mounted on the other side of the gear. The gears have tooth grooves on their left and right sides, which are located on the inner wall of a fixed column. The fixed column is located inside the fixed slot. Connecting blocks are installed on the upper and lower sides of the fixed slot, and these connecting blocks are located on the inner wall of a limiting groove, which is located inside the connecting seat. A support plate is installed below the left fixed column, and a groove is located at the bottom of the right fixed column. A caster wheel is located inside the groove, and the top of the caster wheel is connected to the bottom of the right fixed column.

[0007] Preferably, the middle position of the jack body and the middle position of the connecting seat are on the same horizontal line, and the four storage slots are arranged in a circle with the connecting seat as the center point.

[0008] Preferably, the four storage slots are arranged at equal distances.

[0009] Preferably, the four servo motors operate synchronously, and the output end of each servo motor is fixedly connected to the gear.

[0010] Preferably, the gear and the bearing are rotatably connected.

[0011] Preferably, the tooth groove and the fixed post are integrally formed, and the fixed post and the gear are meshed.

[0012] Preferably, the fixed column and the connecting block are fixedly connected, and the connecting block and the limiting groove are slidably connected.

[0013] Preferably, the fixed column on the left is fixedly connected to the support plate, and the fixed column on the right is fixedly connected to the caster wheel.

[0014] Preferably, the plurality of fixed columns are arranged perpendicularly to each other, and the fixed columns are slidably connected to the fixed grooves.

[0015] Preferably, the bottom of the support plate and the bottom of the caster wheel are both higher than the bottom of the connecting seat.

[0016] Compared with existing technologies, the beneficial effects of this utility model are:

[0017] By setting up storage tanks, gears, and bearings, four servo motors start synchronously, driving the gears to rotate on the bearings. Through the meshing of the gears with the tooth grooves on the inner wall of the fixed column, the rotational motion is converted into the linear lifting and lowering of the fixed column. The right fixed column descends synchronously, and the left fixed column rises synchronously, so that the right fixed universal wheel contacts the ground evenly, ensuring that the universal wheel is balanced under force, without tilting during movement, and making it easy to adjust the position of the device.

[0018] The reverse synchronous start servo motor lowers the left fixed column and rises the right fixed column, so that the support plate connected to the left side makes full contact with the ground. The support plate is evenly stressed, ensuring that the connecting seat is horizontal and stable, completely avoiding the risk of the jack body tilting and improving the safety of operation.

[0019] During fine-tuning, a single servo motor is activated to adjust the lifting of the corresponding side fixed column, so that the left support plate makes targeted contact with the concave ground. Local fine-tuning does not require overall movement, quickly adapting to uneven and complex terrain and improving stability. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. In all drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0021] Figure 1 This is a schematic diagram of the overall appearance and structure of the present utility model;

[0022] Figure 2 This is a front cross-sectional view of the adjustment structure used in this utility model;

[0023] Figure 3 This is a schematic diagram of the structure of this utility model from below;

[0024] Figure 4 This is a top view cross-sectional structural diagram of the present invention.

[0025] In the diagram: 1. Jack body; 2. Connecting seat; 3. Adjustment structure; 301. Storage tank; 302. Gear; 303. Bearing; 304. Servo motor; 305. Fixing column; 306. Fixing groove; 307. Connecting block; 308. Limiting groove; 309. Gear groove; 310. Support plate; 311. Groove; 312. Caster wheel. Detailed Implementation

[0026] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0027] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0028] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0029] Please see Figure 1-4 This utility model provides a technical solution for a fine-tuning base for a jack: a fine-tuning base for a jack includes a jack body 1 and a connecting seat 2. The connecting seat 2 is installed below the jack body 1, and an adjustment structure 3 is installed on the inner side of the connecting seat 2.

[0030] The adjustment structure 3 includes a storage tank 301, a gear 302, and a bearing 303. The connecting seat 2 has four storage tanks 301 inside. A gear 302 is located inside each storage tank 301. One side of the gear 302 is connected to the inner wall of the connecting seat 2 via a bearing 303. A servo motor 304 is mounted on the other side of the gear 302. The servo motor 304 is electrically connected to the central control module. Gear slots 309 are located on both the left and right sides of the gear 302, and these slots are positioned on the fixed post 30. The inner wall of 5 has a fixing post 305 inside the fixing groove 306. Connecting blocks 307 are installed on the upper and lower sides of the fixing groove 306. Connecting blocks 307 are located on the inner wall of the limiting groove 308. The limiting groove 308 is located inside the connecting seat 2. A support plate 310 is installed below the left fixing post 305. The bottom of the right fixing post 305 has a groove 311. A universal wheel 312 is installed inside the groove 311. The top of the universal wheel 312 is connected to the bottom of the right fixing post 305.

[0031] The middle position of the jack body 1 and the middle position of the connecting seat 2 are on the same horizontal line, and the four storage slots 301 are arranged in a circle with the connecting seat 2 as the center point.

[0032] The four storage slots 301 are set at equal distances.

[0033] The four servo motors 304 can operate synchronously or independently. The output end of the servo motor 304 is fixedly connected to the gear 302.

[0034] The gear 302 and the bearing 303 are rotatably connected.

[0035] The tooth groove 309 and the fixed post 305 are integrated, and the fixed post 305 and the gear 302 are meshed.

[0036] The fixed column 305 and the connecting block 307 are fixedly connected, while the connecting block 307 and the limiting groove 308 are slidably connected.

[0037] The left fixed column 305 is fixedly connected to the support plate 310, and the right fixed column 305 is fixedly connected to the caster wheel 312.

[0038] The multiple fixed columns 305 are arranged perpendicularly to each other, and the fixed columns 305 are slidably connected to the fixed grooves 306.

[0039] The bottom of the support plate 310 and the bottom of the caster wheel 312 are both higher than the bottom of the connecting seat 2.

[0040] Working principle:

[0041] First, the four servo motors 304 start synchronously, driving the gear 302 to rotate on the bearing 303. Through the meshing of the gear 302 with the tooth groove 309 on the inner wall of the fixed column 305, the rotational motion is converted into the linear lifting and lowering of the fixed column 305. The right fixed column 305 descends synchronously, and the left fixed column 305 rises synchronously, so that the right fixed universal wheel 312 contacts the ground evenly, ensuring that the universal wheel 312 is balanced by force, without tilting when moving, and making it easy to adjust the position of the device.

[0042] The reverse synchronous start servo motor 304 causes the left fixed column 305 to descend synchronously and the right fixed column 305 to rise synchronously, so that the support plate 310 connected on the left side fully contacts the ground. The support plate 310 is evenly stressed, ensuring that the connecting seat 2 is horizontally stable, completely avoiding the risk of tilting of the jack body 1 and improving the safety of operation.

[0043] During fine-tuning, a single servo motor 304 is activated to adjust the lifting of the corresponding side fixed column 305, so that the left support plate 310 makes targeted contact with the concave ground. Local fine-tuning does not require overall movement, quickly adapting to uneven and complex terrain and improving stability.

[0044] Although embodiments of the present utility have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present utility, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fine-tuning base for a jack, comprising a jack body (1) and a connecting base (2), characterized in that: A connecting seat (2) is installed below the jack body (1), and an adjustment structure (3) is installed on the inner side of the connecting seat (2). The adjustment structure (3) includes a storage tank (301), a gear (302), and a bearing (303). The connecting seat (2) has four storage tanks (301) inside. A gear (302) is located inside each storage tank (301). One side of the gear (302) is connected to the inner wall of the connecting seat (2) via a bearing (303). A servo motor (304) is installed on the other side of the gear (302). Gear grooves (309) are located on the left and right sides of the gear (302). The gear grooves (309) are located on the inner wall of a fixed column (305). 305) is located inside the fixing groove (306). Connecting blocks (307) are installed on the upper and lower sides of the fixing groove (306). The connecting blocks (307) are located on the inner wall of the limiting groove (308). The limiting groove (308) is located on the inner side of the connecting seat (2). A support plate (310) is installed below the left fixing column (305). A groove (311) is provided at the bottom of the right fixing column (305). A universal wheel (312) is provided inside the groove (311). The upper part of the universal wheel (312) is connected to the bottom of the right fixing column (305).

2. The jack fine-adjustment base according to claim 1, characterized in that: The middle position of the jack body (1) and the middle position of the connecting seat (2) are on the same horizontal line, and the four storage slots (301) are arranged in a circle with the connecting seat (2) as the center point.

3. The fine-tuning base for a jack according to claim 2, characterized in that: The four storage slots (301) are arranged at equal distances.

4. The fine-tuning base for a jack according to claim 3, characterized in that: The four servo motors (304) operate synchronously, and the output end of the servo motor (304) is fixedly connected to the gear (302).

5. A fine-tuning base for a jack according to claim 4, characterized in that: The gear (302) and the bearing (303) are rotatably connected.

6. A fine-tuning base for a jack according to claim 5, characterized in that: The tooth groove (309) and the fixed column (305) are integrated, and the fixed column (305) and the gear (302) are meshed.

7. A fine-tuning base for a jack according to claim 6, characterized in that: The fixed column (305) and the connecting block (307) are fixedly connected, and the connecting block (307) and the limiting groove (308) are slidably connected.

8. A fine-tuning base for a jack according to claim 7, characterized in that: The fixed column (305) on the left side is fixedly connected to the support plate (310), and the fixed column (305) on the right side is fixedly connected to the caster wheel (312).

9. A fine-tuning base for a jack according to claim 8, characterized in that: The multiple fixing columns (305) are arranged perpendicularly to each other, and the fixing columns (305) are slidably connected to the fixing grooves (306).

10. A fine-tuning base for a jack according to claim 9, characterized in that: The bottom of the support plate (310) and the bottom of the caster wheel (312) are both higher than the bottom of the connecting seat (2).

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