Automobile elevator

Abstract

The utility model discloses an automobile elevator which comprises a first wheel shaft, a second wheel shaft, a first supporting frame, a second supporting frame, a telescopic adjusting mechanism, a driving device, a lifting platform and a plurality of idler wheels, the idler wheels are rotationally installed at the two ends of the first wheel shaft and the two ends of the second wheel shaft respectively, one end of the first supporting frame is rotationally installed on the first wheel shaft, and the other end of the second supporting frame is rotationally installed on the second wheel shaft. One end of the first supporting frame is rotationally installed on the first wheel shaft, the other end of the first supporting frame is rotationally installed on the lifting platform, one end of the second supporting frame is rotationally installed on the second wheel shaft, the other end of the second supporting frame is rotationally installed on the lifting platform, and the first wheel shaft and the second wheel shaft are connected through a telescopic adjusting mechanism. And the telescopic adjusting mechanism is connected with a driving device for driving the telescopic adjusting mechanism to stretch out and draw back. The elevator is arranged to be of a triangular supporting structure, so that the elevator can stably support the automobile base; the utility model has the advantages of simple structure, convenient and fast installation, and improved assembly efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of jacks, in particular to the technical field of vehicle lifts. Background Art

[0002] A vehicle lift is a device used to lift a vehicle during vehicle maintenance. The vehicle is driven to the lift station, and through manual operation, the vehicle can be lifted to a certain height, facilitating vehicle maintenance. Vehicle lifts play a very important role in vehicle maintenance and are essential equipment in vehicle repair shops.

[0003] Existing vehicle lifts are generally scissor jacks or horizontal jacks, which are relatively large in volume and inconvenient to carry. Summary of the Invention

[0004] The purpose of the utility model is to solve the problems in the prior art and propose a vehicle lift that can solve the above problems.

[0005] To achieve the above purpose, the utility model proposes a vehicle lift, which includes a first wheel shaft, a second wheel shaft, a first support frame, a second support frame, a telescopic adjustment mechanism, a driving device, a lifting platform and a plurality of rollers. Rollers are rotatably installed at both ends of the first wheel shaft and the second wheel shaft. One end of the first support frame is rotatably installed on the first wheel shaft, and the other end of the first support frame is rotatably installed on the lifting platform. One end of the second support frame is rotatably installed on the second wheel shaft, and the other end of the second support frame is rotatably installed on the lifting platform. The first wheel shaft and the second wheel shaft are connected by a telescopic adjustment mechanism, and the telescopic adjustment mechanism is connected with a driving device for driving the telescopic adjustment mechanism to expand and contract.

[0006] Preferably, the first support frame and the second support frame are symmetrically arranged on both sides of the bottom of the lifting platform to form a triangular support structure.

[0007] Preferably, a rubber pad is provided on the upper surface of the lifting platform.

[0008] Preferably, mounting brackets are provided on both sides of the bottom of the lifting platform. Two through holes are provided in the mounting brackets, and connecting shafts are penetrated through the through holes. The two connecting shafts are respectively rotatably connected with the first support frame and the second support frame.

[0009] Preferably, support arms are provided on both sides of the first support frame and the second support frame. An installation ring is provided at one end of the support arm. The installation ring is sleeved outside the connecting shaft. A gear is provided on the outside of the installation ring. The gears on the first support frame and the second support frame are meshed and installed. An arc-shaped groove is provided at the other end of the support arm. The arc-shaped groove is connected with an arc-shaped plate through a fastener. The arc-shaped groove and the arc-shaped plate form a circular hole, and the circular holes are respectively sleeved outside the first wheel shaft and the second wheel shaft.

[0010] Preferably, threaded installation posts are provided at both ends of the connecting shaft. The threaded installation posts protrude from the installation ring. Fixing nuts are installed on the threaded installation posts. The installation ring is installed between the installation frame and the fixing nuts. The outer diameter of the installation ring is greater than the inner diameter of the through hole.

[0011] Preferably, both the first support frame and the second support frame are H-shaped brackets.

[0012] Preferably, the telescopic adjustment mechanism includes an installation cylinder and a threaded sleeve. The installation cylinder is sleeved outside the threaded sleeve. One end of the installation cylinder away from the threaded sleeve is installed in the middle of the first wheel shaft. One end of the threaded sleeve away from the installation cylinder is installed in the middle of the second wheel shaft. A driving threaded rod is provided in the installation cylinder. One end of the driving threaded rod is threadedly installed in the threaded sleeve, and the other end is provided with a connecting column. The connecting column is connected with a driving device. The driving device includes a housing and a worm and worm gear pair. The worm of the worm and worm gear pair is the power input end, and the worm gear of the worm and worm gear pair is coaxially and cooperatively connected with the connecting column.

[0013] Preferably, a vertical insertion post is provided at the input end of the worm. The insertion post is connected with a rotating handle through a universal joint.

[0014] Preferably, a connecting frame is provided in the middle of the second wheel shaft. An installation hole is provided on the connecting frame. An installation part is provided at one end of the threaded sleeve away from the installation cylinder. A connecting hole is provided on the installation part. The installation hole and the connecting hole are fixedly installed through a positioning pin.

[0015] The beneficial effects of the present utility model are as follows: The hoist of the present utility model is set into a triangular support structure, so that the hoist can stably support the car chassis; the structure of the present utility model is simple, the installation is convenient and fast, and the assembly efficiency is improved; the volume of the present utility model is small, which is more convenient for storage and carrying; the present utility model can drive the worm in an electric or manual manner to rotate the driving threaded rod, so as to drive the threaded sleeve to extend or shorten from the installation cylinder, realizing the lifting of the lifting platform; the support frames on both sides are meshed through gears to ensure the synchronous rotation adjustment of the support frames on both sides and ensure the stable support of the lifting platform.

[0016] The features and advantages of the present utility model will be described in detail through embodiments in conjunction with the accompanying drawings. Description of the Drawings

[0017] Figure 1 is a schematic structural view of the present utility model;

[0018] Figure 2 is an exploded view of the present utility model;

[0019] Figure 3 is the front view of the present utility model;

[0020] Figure 4 is the top view of the present utility model;

[0021] Figure 5 is the bottom view of the present utility model;

[0022] Figure 6 is the left view of the present utility model;

[0023] Figure 7 is the right view of the present utility model;

[0024] Figure 8 is the rear view of the present utility model;

[0025] Figure 9 is a schematic view of the rotating handle of the present utility model.

[0026] In the figure: 1, the first wheel shaft; 2, the second wheel shaft; 3, the first support frame; 4, the second support frame; 5, the lifting platform; 6, the roller; 7, the telescopic adjustment mechanism; 8, the driving device; 9, the rubber pad; 10, the support arm; 11, the mounting ring; 12, the gear; 13, the arc groove; 14, the arc plate; 21, the connecting frame; 22, the mounting hole; 23, the mounting part; 24, the connecting hole; 25, the positioning pin; 51, the mounting frame; 52, the through hole; 53, the connecting shaft; 54, the threaded mounting post; 55, the fixing nut; 71, the mounting cylinder; 72, the threaded sleeve; 73, the driving threaded rod; 74, the connecting column; 75, the inserting column; 76, the universal joint; 77, the rotating handle. Detailed Embodiment

[0027] Refer to Figures 1 to 9, an automobile hoist, comprising a first wheel shaft 1, a second wheel shaft 2, a first support frame 3, a second support frame 4, a telescopic adjustment mechanism 7, a driving device 8, a lifting platform 5 and a plurality of rollers 6. Rollers 6 are rotatably installed at both ends of the first wheel shaft 1 and the second wheel shaft 2. One end of the first support frame 3 is rotatably installed on the first wheel shaft 1, and the other end of the first support frame 3 is rotatably installed on the lifting platform 5. One end of the second support frame 4 is rotatably installed on the second wheel shaft 2, and the other end of the second support frame 4 is rotatably installed on the lifting platform 5. The first wheel shaft 1 and the second wheel shaft 2 are connected by a telescopic adjustment mechanism 7, and the telescopic adjustment mechanism 7 is connected with a driving device 8 for driving the telescopic adjustment mechanism 7 to expand and contract; The first support frame 3 and the second support frame 4 are symmetrically arranged on both sides of the bottom of the lifting platform 5 to form a triangular support structure; A rubber pad 9 is provided on the upper surface of the lifting platform 5; Installation frames 51 are provided on both sides of the bottom of the lifting platform 5, two through holes 52 are opened on the installation frames 51, connecting shafts 53 are penetrated through the through holes 52, and the two connecting shafts 53 are respectively rotatably connected with the first support frame 3 and the second support frame 4; Support arms 10 are provided on both sides of the first support frame 3 and the second support frame 4. One end of the support arm 10 is provided with an installation ring 11, the installation ring 11 is sleeved outside the connecting shaft 53, a gear 12 is provided on the outer semi-circular circumference of the installation ring 11, and the gear 12 on the first support frame 3 is meshed and installed with the gear 12 on the second support frame 4. The other end of the support arm 10 is provided with an arc-shaped groove 13, and an arc-shaped plate 14 is connected to the arc-shaped groove 13 through a fastener. The arc-shaped groove 13 and the arc-shaped plate 14 form a round hole, and the round holes are respectively sleeved outside the first wheel shaft 1 and the second wheel shaft 2; Threaded installation posts 54 are provided at both ends of the connecting shaft 53, the threaded installation posts 54 protrude from the installation ring 11, fixing nuts 55 are installed on the threaded installation posts 54, the installation ring 11 is installed between the installation frame 51 and the fixing nuts 55, and the outer diameter of the installation ring 11 is greater than the inner diameter of the through hole 52; Both the first support frame 3 and the second support frame 4 are H-shaped brackets; The telescopic adjustment mechanism 7 includes an installation cylinder 71 and a threaded sleeve 72. The installation cylinder 71 is sleeved outside the threaded sleeve 72. One end of the installation cylinder 71 away from the threaded sleeve 72 is installed in the middle of the first wheel shaft 1, and one end of the threaded sleeve 72 away from the installation cylinder is installed in the middle of the second wheel shaft 2. A driving threaded rod 73 is provided in the installation cylinder 71. One end of the driving threaded rod 73 is threadedly installed in the threaded sleeve 72, and the other end is provided with a connecting column 74. The connecting column 74 is connected with a driving device 8. The driving device 8 includes a housing and a worm and worm gear pair. The worm of the worm and worm gear pair is the power input end, and the worm gear of the worm and worm gear pair is coaxially and cooperatively connected with the connecting column 74;A connecting frame 21 is provided in the middle of the second round shaft 2. An installation hole 22 is provided on the connecting frame 21. An installation part 23 is provided at one end of the threaded sleeve 72 away from the installation cylinder 71. A connecting hole 24 is provided on the installation part 23. The installation hole 22 and the connecting hole 24 are fixedly installed through a positioning pin 25. A vertical insertion column 75 is provided at the input end of the worm. The insertion column 75 is connected to a rotating handle 77 through a universal joint 76, and the worm gear is driven to rotate by rotating the rotating handle 77. The insertion column 75 can also be connected to a driving motor, and the worm gear is electrically driven to rotate by the driving motor.;

[0028] The above embodiments are illustrative of the present invention and not restrictive thereof. Any simple transformation of the present invention shall fall within the protection scope of the present invention.

Claims

1. A car hoist, characterized in that: The invention comprises a first wheel axle (1), a second wheel axle (2), a first support frame (3), a second support frame (4), a telescopic adjustment mechanism (7), a driving device (8), a lifting platform (5) and a plurality of rollers (6), wherein rollers (6) are rotatably mounted at both ends of the first wheel axle (1) and the second wheel axle (2), one end of the first support frame (3) is rotatably mounted on the first wheel axle (1), and the other end of the first support frame (3) is rotatably mounted on the lifting platform (5), one end of the second support frame (4) is rotatably mounted on the second wheel axle (2), and the other end of the second support frame (4) is rotatably mounted on the lifting platform (5), the first wheel axle (1) and the second wheel axle (2) are connected via the telescopic adjustment mechanism (7), and the telescopic adjustment mechanism (7) is connected to a driving device (8) for driving the telescopic adjustment mechanism (7) to extend and retract.

2. The car lift according to claim 1, characterized in that: The first support frame (3) and the second support frame (4) are symmetrically arranged on both sides of the bottom of the lifting platform (5) to form a triangular support structure.

3. The car lift according to claim 1, characterized in that: The upper surface of the lifting platform (5) is provided with a rubber pad (9).

4. The car lift according to claim 1, characterized in that: Mounting frames (51) are provided on both sides of the bottom of the lifting platform (5), and two through holes (52) are provided on the mounting frames (51). Connecting shafts (53) are provided through the through holes (52), and the two connecting shafts (53) are rotatably connected to the first supporting frame (3) and the second supporting frame (4), respectively.

5. The car lift according to claim 4, characterized in that: Support arms (10) are provided on both sides of the first support frame (3) and the second support frame (4); a mounting ring (11) is provided at one end of the support arm (10); the mounting ring (11) is sleeved on the outside of the connecting shaft (53); a gear (12) is provided on the outside of the mounting ring (11); the gear (12) on the first support frame (3) is meshed with the gear (12) on the second support frame (4); an arc groove (13) is provided at the other end of the support arm (10); the arc groove (13) is connected to an arc plate (14) via a fastener; the arc groove (13) and the arc plate (14) form a circular hole; the circular holes are sleeved on the outside of the first wheel shaft (1) and the second wheel shaft (2), respectively.

6. The car lift according to claim 5, characterized in that: Threaded mounting columns (54) are provided at both ends of the connecting shaft (53), the threaded mounting columns (54) protrude from the mounting ring (11), a fixing nut (55) is mounted on the threaded mounting columns (54), the mounting ring (11) is mounted between the mounting frame (51) and the fixing nut (55), and the outer diameter of the mounting ring (11) is greater than the inner diameter of the through hole (52).

7. The car lift according to claim 1, characterized in that: The first support frame (3) and the second support frame (4) are both H-shaped frames.

8. The car lift according to claim 1, characterized in that: The telescopic adjustment mechanism (7) comprises a mounting tube (71) and a threaded sleeve (72), wherein the mounting tube (71) is sleeved on the outside of the threaded sleeve (72), and one end of the mounting tube (71) away from the threaded sleeve (72) is mounted on the middle part of the first wheel shaft (1), and one end of the threaded sleeve (72) away from the mounting tube (71) is mounted on the middle part of the second wheel shaft (2). A driving threaded rod (73) is arranged in the mounting tube (71), one end of the driving threaded rod (73) is threadedly mounted in the threaded sleeve (72), and the other end is provided with a connecting column (74), and the connecting column (74) is connected to a driving device (8), and the driving device (8) comprises a housing and a worm gear pair, the worm of the worm gear pair is a power input end, and the worm wheel of the worm gear pair is coaxially matched with the connecting column (74).

9. The car lift according to claim 8, characterized in that: A vertical plug post (75) is provided at the input end of the worm, and the plug post (75) is connected to a rotating handle (77) via a universal joint (76).

10. The car lift according to claim 8, characterized in that: A connecting frame (21) is provided in the middle of the second wheel axle (2), a mounting hole (22) is provided on the connecting frame (21), a mounting portion (23) is provided at one end of the threaded sleeve (72) away from the mounting tube (71), a connecting hole (24) is provided on the mounting portion (23), and the mounting hole (22) and the connecting hole (24) are fixedly mounted by a positioning pin (25).

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