Hydraulic lift for vehicles

By designing reinforced support components and a movable swivel structure for the hydraulic lifter, the problems of small contact area of ​​the jack and slippage on the ramp were solved, achieving higher stability and safety.

CN112320656BActive Publication Date: 2025-11-07XINCHANG GENERAL MACHINERY
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Patent Information

Application Number
CN202011185743.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-10-30
Publication Date
2025-11-07
Estimated Expiration
2040-10-30

AI Technical Summary

Technical Problem

Existing car jacks have a small contact area with the bottom of the car, resulting in poor stability and a risk of slippage when used on slopes.

Method used

A hydraulic lifter for automobiles was designed, comprising a hydraulic jack, a support, a movable swivel, a fixed support, a reinforcing support assembly, and a limiting assembly. The reinforcing support assembly increases the contact area, the movable swivel adjusts the angle to adapt to slopes, and the limiting assembly improves stability.

Benefits of technology

The increased contact area between the bottom of the lift and the ground improves stability, enabling it to adapt to sloping environments and reducing the risk of slippage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The hydraulic lifting device for automobile comprises a hydraulic jack, a support, a movable rotating seat, a fixed supporting seat, a reinforcing supporting assembly and a limiting assembly, the bottom of the hydraulic jack is provided with the support, the support is fixedly installed on the movable rotating seat, one end of the movable rotating seat is hinged with one end of the fixed supporting seat, the other end of the movable rotating seat is installed with a first driving screw assembly, the bottom of the first driving screw assembly is abuttingly matched with the fixed supporting seat, under the action of the first driving screw assembly, the movable rotating seat rotates around the hinge point of the movable rotating seat and the fixed supporting seat, the other end of the fixed supporting seat is installed with the limiting assembly, the limiting assembly is installed with a limiting baffle, the limiting baffle is abuttingly matched with the movable rotating seat, the two sides of the fixed supporting seat are symmetrically provided with receiving frames, and the reinforcing supporting assembly is rotatably installed in the receiving frames. It is convenient to use, the force contact area between the bottom of the lifting device and the ground can be increased, and the stability is increased.
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Description

[0001] The present application relates to the technical field of jack, in particular to a hydraulic lifting device for automobile.

[0002] The jack is mainly used in factory, mine, transportation department and other departments as vehicle repair and other lifting, supporting and other work. Its structure is light, strong, flexible and reliable, and one person can carry and operate it. A simple jack is usually equipped on a car to facilitate users to use the car by themselves, but the simple jack in the prior art has simple structure and small contact area with the ground, which leads to poor stability of the jack. In addition, when the jack is used on a slope, the ordinary jack is directly used on the slope, which is easy to produce downward sliding force and has unsafe factors. Therefore, the present application provides a hydraulic lifting device for automobile.

[0003] The present application aims to solve the problems in the prior art and provides a hydraulic lifting device for automobile, which is convenient to use and can increase the contact area between the bottom of the lifting device and the ground and the stability.

[0004] To achieve the above-mentioned purpose, the present application provides a hydraulic lifting device for automobile, which comprises a hydraulic jack, a support, a movable rotating seat, a fixed supporting seat, a reinforcing supporting assembly and a limiting assembly. The bottom of the hydraulic jack is provided with the support, the support is fixedly installed on the movable rotating seat, one end of the movable rotating seat is hingedly connected with one end of the fixed supporting seat, the other end of the movable rotating seat is provided with a first driving screw assembly, the bottom of the first driving screw assembly is abutted and matched with the fixed supporting seat, under the action of the first driving screw assembly, the movable rotating seat rotates around the hinge point with the fixed supporting seat, the other end of the fixed supporting seat is provided with the limiting assembly, the limiting assembly is provided with a limiting baffle, the limiting baffle is abutted and matched with the movable rotating seat, the two sides of the fixed supporting seat are symmetrically provided with receiving frames, the reinforcing supporting assembly is rotatably installed in the receiving frame, and at least one adjusting supporting assembly is arranged on the reinforcing supporting assembly.

[0005] Preferably, the shape of the receiving frame is inverted L-shaped, the receiving cavity is formed between the receiving frame and the fixed supporting seat, two reinforcing supporting assemblies are symmetrically installed in each receiving frame, a first rotating shaft is also symmetrically arranged in each receiving frame, one end of the reinforcing supporting assembly is provided with a rotating drum, the rotating drum is sleeved on the first rotating shaft, the rotating drum is connected with a mounting plate, and at least one adjusting supporting assembly is installed on the mounting plate.

[0006] ​​​As preferred, the adjusting support assembly comprises an adjusting screw and a support block, the adjusting screw is installed on the mounting plate, the top of the adjusting screw is provided with a first hexagonal body, the bottom of the adjusting screw is provided with the support block, and the lower end surface of the support block is provided with anti-skid teeth.

[0007] As preferred, the limiting assembly further comprises a sleeve, a second driving screw assembly, a second rotating shaft and a nut, the bottom of the sleeve is installed on the fixed support base, the sleeve is internally provided with an internal thread matched with the second driving screw assembly, the second driving screw assembly is installed in the sleeve, the second driving screw assembly is provided with a second hexagonal body, the upper portion of the second hexagonal body is provided with the second rotating shaft, one end of the limiting block is provided with a mounting hole matched with the second rotating shaft, the top of the second rotating shaft is provided with a threaded mounting portion, the nut is installed on the threaded mounting portion, and the limiting block is rotatably installed between the nut and the second hexagonal body.

[0008] As preferred, one end of the movable rotating base is provided with two first hinged seats, and one end of the fixed support base is provided with two second hinged seats hinged with the first hinged seats.

[0009] As preferred, the bottom of the first driving screw assembly is installed with an auxiliary roller assembly.

[0010] As preferred, the lower end surface of the fixed support base is provided with anti-skid teeth.

[0011] The present application has the advantages that the hydraulic jack, the support base, the movable rotating base, the fixed support base, the reinforcing support assembly and the limiting assembly are matched, the reinforcing support assembly is adopted, the force contact area between the lifting device bottom and the ground is increased, the stability is improved, the angle of the base can be adjusted by the movable rotating base, the angle of the inclined surface is compensated, and the stability is improved.

[0012] The features and advantages of the present application will be described in detail in conjunction with the embodiments and the drawings.

DRAWINGS

[0013] Figure 1 is a sectional structure schematic view of the hydraulic lifting device for automobile of the present application;

[0014] Figure 2 is a left schematic view of the internal structure of the hydraulic lifting device for automobile of the present application;

[0015] Figure 3 is an enlarged schematic view of the reinforcing support assembly of the hydraulic lifting device for automobile of the present application;

[0016] Figure 4is a top view schematic diagram of a reinforcing support assembly of a hydraulic lifter for automobile of the present application;

[0017] Figure 5 is an enlarged structural schematic diagram of a limiting assembly of the hydraulic lifter for automobile of the present application.

CONCRETE EMBODIMENT

[0018] Referring to Figures 1 to 5The application discloses a hydraulic lifter for automobile, which comprises a hydraulic jack 1, a support 2, a movable rotating seat 3, a fixed supporting seat 4, a reinforcing supporting assembly 5 and a limiting assembly 6, the bottom of the hydraulic jack 1 is provided with the support 2, the support 2 is fixedly installed on the movable rotating seat 3, one end of the movable rotating seat 3 is hingedly connected with one end of the fixed supporting seat 4, the other end of the movable rotating seat 3 is provided with a first driving screw assembly 32, the bottom of the first driving screw assembly 32 is abuttingly matched with the fixed supporting seat 4, under the action of the first driving screw assembly 32, the movable rotating seat 3 rotates around the hinge joint with the fixed supporting seat 4, the other end of the fixed supporting seat 4 is provided with the limiting assembly 6, the limiting assembly 6 is provided with a limiting baffle 65, the limiting baffle 65 is abuttingly matched with the movable rotating seat 3, the two sides of the fixed supporting seat 4 are symmetrically provided with receiving frames 50, the reinforcing supporting assembly 5 is rotatably installed in the receiving frame 50, and at least one adjusting supporting assembly is arranged on the reinforcing supporting assembly 5. The shape of the receiving frame 50 is inverted L-shaped, a receiving cavity 500 is formed between the receiving frame 50 and the fixed supporting seat 4, two reinforcing supporting assemblies 5 are symmetrically installed in each receiving frame 50, a first rotating shaft 51 is also symmetrically arranged in each receiving frame 50, one end of the reinforcing supporting assembly 5 is provided with a rotating cylinder 52, the rotating cylinder 52 is sleeved on the first rotating shaft 51, the rotating cylinder 52 is connected with a mounting plate 53, and at least one adjusting supporting assembly is installed on the mounting plate 53. The adjusting supporting assembly comprises an adjusting screw 54 and a supporting block 55, the adjusting screw 54 is installed on the mounting plate 53, the top of the adjusting screw 54 is provided with a first hexagonal prism, the bottom of the adjusting screw 54 is provided with the supporting block 55, and the lower end surface of the supporting block 55 is provided with anti-skid tooth patterns. The limiting assembly 6 further comprises a sleeve 61, a second driving screw assembly 62, a second rotating shaft 63 and a nut 64, the bottom of the sleeve 61 is installed on the fixed supporting seat 4, the sleeve 61 is internally provided with an internal thread matched with the second driving screw assembly 62, the second driving screw assembly 62 is installed in the sleeve 61, the second driving screw assembly 62 is provided with a second hexagonal prism 621, the second rotating shaft 63 is arranged above the second hexagonal prism 621, one end of the limiting baffle 65 is provided with a mounting hole matched with the second rotating shaft 63, the top of the second rotating shaft 63 is provided with a threaded mounting portion, the threaded mounting portion is provided with the nut 64, the limiting baffle 65 is rotatably installed between the nut 64 and the second hexagonal prism 621, the other end of the limiting baffle 65 is provided with a top block 651 in the lower part, and the top block 651 is an elastic ball. One end of the movable rotating seat 3 is provided with two first hinge seats 31, one end of the fixed supporting seat 4 is provided with two second hinge seats hingedly connected with the first hinge seats 31. The bottom of the first driving screw assembly 32 is provided with an auxiliary roller assembly 321. The lower end surface of the fixed supporting seat 4 is provided with anti-skid tooth patterns.

[0019] Working process of the present application:

[0020] The hydraulic lifting device for automobile can control the rotation of the movable rotating seat by adjusting the first driving screw assembly during use, so as to adapt to the slope and adjust the height of the adjusting limiting assembly, so that the top block at the end of the limiting baffle abuts against the upper end surface of the movable rotating seat, the adjustment of the angle of the base is completed, the angle of the ground slope can be compensated, the stability is improved, the reinforcing support assembly can be turned out of the storage cavity, the length of the adjusting screw is adjusted, the support block abuts against the ground, and the force contact area of the bottom of the lifting device with the ground can be increased, the stability is improved, and the angle of the base can be adjusted by the movable rotating seat.

[0021] The above examples are illustrative of the present application and are not limiting of the present application, and any simple transformation of the present application belongs to the protection scope of the present application.

Claims

1. A hydraulic lift for a vehicle, characterized by: The utility model provides a hydraulic jack (1), support (2), movable rotary seat (3), fixed support seat (4), reinforcing support subassembly (5) and limiting component (6), the bottom of hydraulic jack (1) is equipped with support (2), support (2) is fixedly installed on movable rotary seat (3), one end of movable rotary seat (3) is hinged with one end of fixed support seat (4), the other end of movable rotary seat (3) is installed with first drive screw subassembly (32), the bottom of first drive screw subassembly (32) is in abutted cooperation with fixed support seat (4), under the action of first drive screw subassembly (32), movable rotary seat (3) rotates around the hinge point of movable rotary seat (3) with fixed support seat (4), the other end of fixed support seat (4) is installed with limiting component (6), limiting component (6) is installed with limiting baffle (65), limiting baffle (65) is in abutted cooperation with movable rotary seat (3), both sides of fixed support seat (4) are provided with the receiving frame (50) of symmetry, reinforcing support subassembly (5) rotatable is installed in receiving frame (50), reinforcing support subassembly (5) is provided with at least one adjusting support subassembly, the shape of receiving frame (50) is inverted L character, receiving cavity (500) is formed between receiving frame (50) and fixed support seat (4), two reinforcing support subassemblies (5) are symmetrically installed in each receiving frame (50), first shaft (51) is also symmetrically provided in each receiving frame (50), one end of reinforcing support subassembly (5) is provided with rotary drum (52), rotary drum (52) is sleeved on first shaft (51), mounting plate (53) is connected on rotary drum (52), at least one adjusting support subassembly is installed on mounting plate (53), limiting component (6) still includes sleeve (61), second drive screw subassembly (62), second shaft (63) and nut (64), the bottom of sleeve (61) is installed on fixed support seat (4), the inner thread that is matched with second drive screw subassembly (62) is equipped in sleeve (61), second drive screw subassembly (62) is installed in sleeve (61), second six prism (621) is equipped on second drive screw subassembly (62), second shaft (63) is equipped above second six prism (621), one end of limiting baffle (65) is equipped with the mounting hole that is matched with second shaft (63), the top of second shaft (63) is equipped with threaded mounting portion, nut (64) is installed on threaded mounting portion, limiting baffle (65) rotatable is installed between nut (64) and second six prism (621), the lower part of the other end of limiting baffle (65) is equipped with top block (651), top block (651) is elastic ball.

2. A hydraulic lift for a vehicle as claimed in claim 1, wherein: The adjusting support assembly comprises an adjusting screw (54) and a support block (55), the adjusting screw (54) is installed on a mounting plate (53), the top of the adjusting screw (54) is provided with a first hexagonal body, the bottom of the adjusting screw (54) is provided with the support block (55), and the lower end surface of the support block (55) is provided with anti-skid tooth patterns.

3. The hydraulic lift for a vehicle as set forth in claim 1, wherein: One end of the movable rotating seat (3) is provided with two first hinged seats (31), and one end of the fixed support seat (4) is provided with two second hinged seats hinged with the first hinged seats (31).

4. The hydraulic lift for a vehicle as set forth in claim 1, wherein: The bottom of the first driving screw assembly (32) is provided with an auxiliary roller assembly (321).

5. The hydraulic lift for a vehicle as set forth in claim 1, wherein: The lower end surface of the fixed support seat (4) is provided with anti-skid tooth patterns.

Citation Information

Patent Citations

  • Hydraulic jack

    CN206634967U

  • Can fix jack lower carriage subassembly aslope

    CN207226959U

  • Horizontal jack with good stability

    CN210065038U

  • Hydraulic lifting device for automobile

    CN213976775U