Lead screw transmission type car mover

Abstract

The utility model relates to the technical field of vehicle moving frames, in particular to a lead screw transmission type vehicle mover which comprises a first wheel rolling frame and a second wheel rolling frame, the first wheel rolling frame and the second wheel rolling frame are the same in structure, a first square cylinder is fixedly installed on the right side of the first wheel rolling frame, and a second square cylinder is fixedly installed on the right side of the second wheel rolling frame. The inner wall of the second square barrel is connected with a telescopic rod in a sliding mode, the telescopic rod is connected with the first square barrel, a threaded rod is installed on the inner wall of the telescopic rod, and the outer wall of the threaded rod is in threaded connection with a sliding block. The screw drives the sliding block to rotate, the sliding block drives the second wheel rolling frame to move and draw close to the first wheel rolling frame, and therefore the two sets of rubber rollers roll to lift the wheels, the structure is simple, cost is low, the electric wrench commonly used in an automobile maintenance factory is matched, the electric wrench serves as a power source, and operation is convenient and fast.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle moving frames, in particular to a screw-driven vehicle mover. Background Art

[0002] When a car repair shop is repairing a vehicle, there is a situation where the vehicle is difficult to move, that is, the vehicle cannot be started normally, the wheel hub is locked, or the vehicle drive shaft is damaged. Such a vehicle cannot be moved by the vehicle's own power or by manpower. If the vehicle needs to be moved to a specified location, auxiliary tools are required to move the vehicle. Therefore, this application designs a simple car moving stand that can be used in car repair shops. Utility Model Content

[0003] The purpose of the present invention is to provide a screw-driven car mover to solve the problems raised in the above background technology.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] The screw-driven car mover includes a wheel roller frame 1 and a wheel roller frame 2. The wheel roller frame 1 and the wheel roller frame 2 have the same structure. The square cylinder 1 is fixedly installed on the right side of the wheel roller frame 1, and the square cylinder 2 is fixedly installed on the right side of the wheel roller frame 2. The inner wall of the square cylinder 2 is slidably connected to the telescopic rod, and the telescopic rod is connected to the square cylinder 1. A screw is installed on the inner wall of the telescopic rod, and the outer wall of the screw is threadedly connected to the slider. The slider is fixedly connected to the square cylinder 2. A connector is installed on the end of the screw away from the square cylinder 1, and the connector is configured to be connected to an electric wrench.

[0006] In a preferred embodiment of the present invention, the wheel roller frame 1 includes a support arm, universal wheels are fixedly mounted at the bottom of both ends of the support arm, and a rubber roller is mounted on the support arm.

[0007] In a preferred embodiment of the present invention, the square tube is evenly provided with a first latch hole, the telescopic rod is evenly provided with a second latch hole, the telescopic rod extends into the square tube, and a positioning pin is provided on the inner wall of a group of the first latch hole and the second latch hole.

[0008] In a preferred embodiment of the present invention, a strip-shaped through hole is opened on the side wall of the telescopic rod, and screws are installed at both ends of the square tube. The screws pass through the strip-shaped through hole and are fixedly connected to the slider.

[0009] In a preferred embodiment of the present invention, one end of the telescopic rod away from the square tube is fixedly connected to the positioning tube, a bearing is fixedly installed on the inner wall of the positioning tube, and a coupling is fixedly installed on the inner wall of the bearing.

[0010] In a preferred embodiment of the present invention, the coupling is fixedly connected to the screw and the connecting head, the end of the screw is rotatably connected to the positioning block, the positioning block is fixedly installed on the inner wall of the telescopic rod, an internal threaded through hole is opened in the middle of the slider, and the inner wall of the internal threaded through hole is connected to the screw.

[0011] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention.

[0012] A connecting head is installed at one end of the screw away from the square cylinder. The connecting head is configured to be connected to an electric wrench. The connecting head is configured to be in the shape of a screw head. A sleeve is installed at the output end of the electric wrench to dock with the connecting head. Then the electric wrench is started to rotate the connecting head, and the connecting head drives the screw to rotate. The screw drives the slider to move, and the slider drives the wheel roller rack 2 to move and move closer to the wheel roller rack 1, so that the two sets of rubber rollers roll and lift the wheel. The structure is simple and the cost is low. In combination with the electric wrench commonly used in automobile repair shops, pneumatic wrenches and manual wrenches can also be used as power sources. The operation is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0014] Figure 1 This is the main view of the screw-driven car mover;

[0015] Figure 2 It is a schematic diagram of the top structure of the screw-driven car mover;

[0016] Figure 3 This is a schematic diagram of the telescopic rod structure in a screw-driven car mover;

[0017] Figure 4 This is a cross-sectional view of the telescopic rod in a screw-driven car mover;

[0018] Figure 5 This is a cross-sectional view of the positioning cylinder in the screw-driven car mover;

[0019] Figure 6 This is a schematic diagram of the connection between the second square cylinder and the connector in the screw-driven car mover.

[0020] In the figure: wheel roller frame 100, support arm 110, universal wheel 120, rubber roller 130, square cylinder 1 200, latch hole 1 210, positioning pin 220, wheel roller frame 2 300, square cylinder 2 400, screw 410, telescopic rod 500, latch hole 2 510, strip through hole 520, positioning cylinder 600, bearing 610, coupling 620, connector 630, screw 640, positioning block 650, slider 660, internal threaded through hole 670. DETAILED DESCRIPTION

[0021] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0022] Please refer to Figure 1-6 The screw-driven car mover includes a wheel roller rack 100 and a wheel roller rack 2 300. The wheel roller rack 100 and the wheel roller rack 2 300 have the same structure. The right side of the wheel roller rack 100 is fixedly installed with a square cylinder 200, and the right side of the wheel roller rack 2 300 is fixedly installed with a square cylinder 2 400. The inner wall of the square cylinder 2 400 is slidably connected to the telescopic rod 500, and the telescopic rod 500 is connected to the square cylinder 1 200. The inner wall of the telescopic rod 500 is installed with a screw 640, and the outer wall of the screw 640 is threadedly connected to the slider 660. The slider 660 is fixedly connected to the square cylinder 2 400, and the screw 640 is away from the square cylinder 1 2 00 is equipped with a connector 630 at one end, and the connector 630 is configured to be connected to an electric wrench. Specifically, the connector 630 is configured to be in the shape of a screw head, and the output end of the electric wrench is connected to the connector 630. A pneumatic wrench or a manual wrench can also be used as a power source. Then, the electric wrench is started to rotate the connector 630, and the connector 630 drives the screw 640 to rotate, and the screw 640 drives the slider 660 to rotate, and the slider 660 drives the wheel roller frame 2 300 to move and move closer to the wheel roller frame 1 100, so that the two sets of rubber rollers 130 roll and lift the wheel.

[0023] The wheel roller rack 100 includes a support arm 110, and universal wheels 120 are fixedly installed at the bottom of both ends of the support arm 110. A rubber roller 130 is installed on the support arm 110. Specifically, the universal wheels 120 have a moving effect on the wheel roller rack 100 and the wheel roller rack 2 300.

[0024] The square cylinder 200 is evenly provided with latch holes 210, and the telescopic rod 500 is evenly provided with latch holes 210. The telescopic rod 500 extends into the square cylinder 200, and a set of aligned latch holes 210 and latch holes 2 510 are provided with positioning pins 220 on their inner walls. Specifically, the telescopic rod 500 and the square cylinder 200 are connected with the latch holes 210 and latch holes 2 510 through telescopic length, thereby adjusting the distance between the wheel roller frame 100 and the wheel roller frame 2 300. The design is a multi-gear adjustment method, which can be suitable for tires of different widths.

[0025] A strip-shaped through hole 520 is opened on the side wall of the telescopic rod 500, and screws 410 are installed at both ends of the square cylinder 400. The screws 410 pass through the strip-shaped through hole 520 and are fixedly connected to the slider 660. The screws 410 have a fixing effect on the slider 660 and also have a guiding effect on the square cylinder 400.

[0026] The end of the telescopic rod 500 away from the square tube 200 is fixedly connected to the positioning tube 600. The inner wall of the positioning tube 600 is fixedly installed with a bearing 610. The inner wall of the bearing 610 is fixedly installed with a coupling 620. Specifically, the bearing 610 has a positioning function for the coupling 620.

[0027] The coupling 620 fixedly connects the screw 640 and the connector 630. The end of the screw 640 is rotatably connected to the positioning block 650. The positioning block 650 is fixedly installed on the inner wall of the telescopic rod 500. An internal threaded through hole 670 is opened in the middle of the slider 660. The inner wall of the internal threaded through hole 670 is connected to the screw 640. Specifically, the coupling 620 has a fixing effect on the screw 640 and the connector 630.

[0028] The working principle of the present invention is as follows: wheel roller frame 100 and wheel roller frame 2 300 are placed on both sides of the wheel, and then moved closer to the middle, the telescopic rod 500 is inserted into the square tube 1 200, and after adjusting the spacing, the positioning pin 220 is inserted into the pin hole 1 210 and the pin hole 2 510, the sleeve at the output end of the electric wrench is installed and docked with the connector 630, and then the electric wrench is started to rotate the connector 630, the connector 630 drives the screw 640 to rotate, the screw 640 drives the slider 660 to move back and forth, and the slider 660 drives the wheel roller frame 2 300 to move and move closer to the wheel roller frame 100, so that the two sets of rubber rollers 130 roll and lift the wheel.

[0029] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A screw-driven car mover, comprising a wheel roller frame 1 (100) and a wheel roller frame 2 (300), wherein the wheel roller frame 1 (100) and the wheel roller frame 2 (300) have the same structure and are characterized in that: The wheel roller frame 1 (100) is fixedly installed with a square cylinder 1 (200) on the right side, and the wheel roller frame 2 (300) is fixedly installed with a square cylinder 2 (400) on the right side. The inner wall of the square cylinder 2 (400) is slidably connected to a telescopic rod (500), and the telescopic rod (500) is connected to the square cylinder 1 (200). A screw (640) is installed on the inner wall of the telescopic rod (500), and the outer wall of the screw (640) is threadedly connected to a slider (660). The slider (660) is fixedly connected to the square cylinder 2 (400). A connector (630) is installed at one end of the screw (640) away from the square cylinder 1 (200), and the connector (630) is configured to be connected to an electric wrench.

2. The screw-driven car mover according to claim 1, characterized in that: The wheel roller frame (100) comprises a support arm (110), a universal wheel (120) is fixedly mounted at the bottom of both ends of the support arm (110), and a rubber roller (130) is mounted on the support arm (110).

3. The screw-driven car mover according to claim 1, characterized in that: The square tube (200) is evenly provided with a first latch hole (210), and the telescopic rod (500) is evenly provided with a second latch hole (510). The telescopic rod (500) extends into the square tube (200), wherein a positioning pin (220) is provided on the inner wall of a group of the first latch hole (210) and the second latch hole (510) aligned with each other.

4. The screw-driven car mover according to claim 1, characterized in that: The side wall of the telescopic rod (500) is provided with a strip-shaped through hole (520), and screws (410) are installed at both ends of the second square tube (400). The screws (410) pass through the strip-shaped through hole (520) and are fixedly connected to the slider (660).

5. The screw-driven car mover according to claim 1, characterized in that: One end of the telescopic rod (500) away from the square tube (200) is fixedly connected to the positioning tube (600), a bearing (610) is fixedly installed on the inner wall of the positioning tube (600), and a coupling (620) is fixedly installed on the inner wall of the bearing (610).

6. The screw-driven car mover according to claim 5, characterized in that: The coupling (620) is fixedly connected to the screw rod (640) and the connector (630); the end of the screw rod (640) is rotatably connected to the positioning block (650); the positioning block (650) is fixedly mounted on the inner wall of the telescopic rod (500); an internal threaded through hole (670) is provided in the middle of the slider (660); and the inner wall of the internal threaded through hole (670) is connected to the screw rod (640).

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