Jack anti-falling device for automobile repair

Abstract

The utility model relates to a lifting jack anti-falling device for automobile repair, which belongs to the field of automobile repair and comprises a lifting jack body, and a supporting structure for falling prevention is arranged below the lifting jack body. The jack body comprises two top blocks which are distributed up and down, two first supporting arms and a second supporting arm which are symmetrically arranged, and a first screw rod which is in threaded connection between the two first supporting arms; the supporting structure comprises a fixing plate, a supporting cylinder hinged to the lower surface of the fixing plate, a second screw rotationally installed on the lower surface of the fixing plate, a sliding base in threaded connection with the outer surface of the second screw and a connecting rod hinged between the sliding base and the supporting cylinder. According to the lifting jack anti-falling device for automobile repair, the three supporting cylinders are adjusted to be triangular, the stable triangular cones are matched with the adjusting rods to be flatly placed on the ground, in this way, the lifting jack body can be prevented from inclining, accidents are avoided, the lifting jack anti-falling effect is achieved, and the advantages of being high in practicability, stable in placement and the like are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile repair, in particular to a jack anti-drop device for automobile repair. Background Art

[0002] A jack is a light and small lifting device that uses a rigid lifting piece as a working device to lift heavy objects through a small stroke of the top support or bottom claws. Jacks are mainly used in factories, mines, transportation and other departments for vehicle repairs and other lifting and supporting work. Its structure is light and strong, flexible and reliable, and can be carried and operated by one person.

[0003] According to the structural characteristics, jacks can be divided into three types: rack jacks, screw jacks and hydraulic jacks. According to other methods, they can be divided into separate jacks, horizontal jacks, claw jacks, synchronous jacks, hydraulic jacks, electric jacks, etc. Among them, the commonly used jacks are screw jacks, hydraulic jacks, electric jacks, etc. (1) Screw jacks can support heavy objects for a long time, and the maximum lifting capacity has reached 100t, which is widely used. (2) Hydraulic jacks are used as intermediate media in hydraulic transmission systems to transmit and convert energy. When used, they also play the role of lubrication, corrosion protection, cooling, flushing, etc. of various components in the hydraulic system. (3) Electric jacks. The jack is equipped with a pressure-maintaining device to prevent overpressure. If overpressure occurs, the jack will not be able to return to a certain position. The special structure can provide dual protection for the jack.

[0004] When the jack is in use, its bottom is placed on the ground and the output end is located at the top, that is, the output end moves upward to lift the heavy object above. Some jacks are installed on uneven ground during the process of lifting the vehicle, especially when used outdoors. The uneven ground makes the jack easy to tilt when used, resulting in the user being crushed by the vehicle. Therefore, an anti-drop device for a jack for automobile repair is proposed to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a jack anti-falling device for automobile repair, which has the advantages of strong practicability and stable placement, and solves the problem that the jack may easily tilt when used on uneven ground.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a jack anti-drop device for automobile repair, comprising a jack body, wherein a support structure for anti-drop is arranged below the jack body;

[0007] The jack body comprises two top blocks distributed up and down, two first support arms and a second support arm symmetrically arranged, and a first screw threadedly connected between the two first support arms;

[0008] The support structure includes a fixed plate, a support tube hinged to the lower surface of the fixed plate, a second screw rotatably mounted on the lower surface of the fixed plate, a slide seat threadedly connected to the outer surface of the second screw seat, and a connecting rod hinged between the slide seat and the support tube.

[0009] Furthermore, the two first support arms are hinged at one end close to the two second support arms, and the ends away from the two support arms are hinged to the two top blocks respectively.

[0010] Furthermore, a first handle is welded to the left end of the first screw, a limiting ring is installed in the middle of the first screw, and the first screw takes the limiting ring as the midpoint, and the threads on the left and right sides of the first screw are opposite.

[0011] Furthermore, a mounting plate fixed to the fixing plate is welded to the lower surface of the top block at the bottom, and the mounting plate and the fixing plate are fixed by bolts.

[0012] Furthermore, the inner thread of the support tube is connected with an adjustment rod extending to the outside thereof, and the bottom end of the adjustment rod is hinged with a support block.

[0013] Furthermore, the number of the support tubes, the adjustment rods and the connecting rods are three, and the three support tubes are distributed in a triangular shape.

[0014] Furthermore, a second handle is welded to the bottom end of the second screw rod, and the top end of the second screw rod is connected to the lower surface of the fixing plate via a bearing.

[0015] Compared with the prior art, the utility model provides a jack anti-drop device for automobile repair, which has the following beneficial effects:

[0016] 1. The anti-drop device for the automobile repair jack adjusts the three support tubes to a triangular shape, and the stable triangular cone is placed flat on the ground with the adjustment rod, so that the jack body is prevented from tilting easily during use. This can prevent the jack body from tilting and thus avoid accidents, and achieve the anti-drop effect of the jack, thereby achieving the advantages of strong practicality and stable placement, and solving the problem that the jack is prone to tilting when used on uneven ground.

[0017] 2. The anti-drop device for the automobile repair jack drives the first screw to rotate through the first handle. Since the threads on the first screw are opposite, the left and right first support arms and the second support arms are brought close to drive the top block to move upward, thereby supporting the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural stereogram of the jack body of the utility model;

[0019] Figure 2 This is a front view of the structure of the utility model;

[0020] Figure 3 This is a structural front view of the support structure of the utility model;

[0021] Figure 4 For the utility model Figure 3 A is a schematic diagram of the enlarged structure shown.

[0022] In the figure: 1. jack body; 101. top block; 102. first support arm; 103. second support arm; 104. first screw rod; 105. first handle; 106. limit ring; 107. mounting plate; 2. supporting structure; 201. fixing plate; 202. supporting cylinder; 203. adjusting rod; 204. supporting block; 205. second screw rod; 206. sliding seat; 207. connecting rod; 208. second handle. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4 A jack anti-drop device for automobile repair includes a jack body 1, wherein the jack body 1 includes two top blocks 101 distributed up and down, two symmetrically arranged first support arms 102 and second support arms 103, and a first screw rod 104 threadedly connected between the two first support arms 102.

[0025] In this embodiment, the two first support arms 102 are hinged to the two second support arms 103 at their close ends, and their separate ends are respectively hinged to the two top blocks 101. The first screw rod 104 passes through the interior of the two first support arms 102.

[0026] It should be noted that a first handle 105 is welded to the left end of the first screw rod 104 , a limit ring 106 is installed in the middle of the first screw rod 104 , and the first screw rod 104 takes the limit ring 106 as the midpoint, and the threads on the left and right sides of the first screw rod 104 are opposite.

[0027] In addition, a mounting hole is provided inside the top block 101, and a connecting block connected to the vehicle can be installed, which is not only convenient to use, but also improves the practicality of the jack body 1. A limit block is installed at the right end of the first screw rod 104 to prevent the first screw rod 104 from being disconnected from the two first support arms 102.

[0028] In this embodiment, a support structure 2 for preventing falling is arranged below the jack body 1; the support structure 2 includes a fixed plate 201, a support tube 202 hinged to the lower surface of the fixed plate 201, a second screw rod 205 rotatably installed on the lower surface of the fixed plate 201, a slide seat 206 threadedly connected to the outer surface of the second screw rod 205, and a connecting rod 207 hinged between the slide seat 206 and the support tube 202.

[0029] Among them, the lower surface of the bottom top block 101 is welded with a mounting plate 107 fixed to the fixing plate 201, and the mounting plate 107 and the fixing plate 201 are fixed by bolts, so that the jack body 1 can be disassembled, which is convenient for disassembling the jack body 1 for storage after use. The internal thread of the support tube 202 is connected with an adjustment rod 203 extending to the outside thereof, and the bottom end of the adjustment rod 203 is hinged with a support block 204. The lower surface of the support block 204 is detachably installed with an anti-wear block, which is a rubber block to increase the contact area with the ground. The installation of the adjustment rod 203 can extend the length, so that the support block 204 can better contact the ground, adapt to different heights and different grounds, and support the jack body 1 in one step, so that the jack body 1 is convenient for use outside.

[0030] It should be noted that there are three support tubes 202, three adjustment rods 203 and three connecting rods 207, and the three support tubes 202 are distributed in a triangular shape. A second handle 208 is welded to the bottom end of the second screw rod 205, and the top end of the second screw rod 205 is connected to the lower surface of the fixing plate 201 through a bearing. Two levers are installed on the outside of the handle 208, and balls are installed at the ends of the two levers to facilitate better use by the user.

[0031] When in use, the second handle 208 is used to drive the second screw 205 to rotate, and the rotation of the second screw 205 drives the slide 206 to move downward, and the angle of the support tube 202 is adjusted through the connecting rod 207, so that the three support tubes 202 are in a triangular shape, and the stable triangular cone is placed flat on the ground with the adjusting rod 203 to prevent the jack body from tilting during use.

[0032] The working principle of the above embodiment is:

[0033] When in use, the second handle 208 is used to drive the second screw 205 to rotate, and the rotation of the second screw 205 drives the slide 206 to move downward, and the angle of the support tube 202 is adjusted through the connecting rod 207, so that the three support tubes 202 are in a triangular shape, and the stable triangular cone is placed flat on the ground with the adjusting rod 203, so that the jack body 1 is not easily tilted during use, so as to avoid the jack body 1 from tilting and thus avoid accidents.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A jack anti-drop device for automobile repair, comprising a jack body (1), characterized in that: A support structure (2) for preventing the jack from falling is arranged below the jack body (1); The jack body (1) comprises two top blocks (101) distributed up and down, two symmetrically arranged first support arms (102) and second support arms (103), and a first screw rod (104) threadedly connected between the two first support arms (102); The support structure (2) comprises a fixed plate (201), a support tube (202) hinged to the lower surface of the fixed plate (201), a second screw rod (205) rotatably mounted on the lower surface of the fixed plate (201), a slide seat (206) threadedly connected to the outer surface of the second screw rod (205), and a connecting rod (207) hinged between the slide seat (206) and the support tube (202).

2. The anti-drop device for a jack for automobile repair according to claim 1, characterized in that: The two first support arms (102) and the two second support arms (103) are hinged at their close ends, and their separate ends are respectively hinged to the two top blocks (101).

3. The anti-drop device for a jack for automobile repair according to claim 1, characterized in that: A first handle (105) is welded to the left end of the first screw rod (104), a limiting ring (106) is installed in the middle of the first screw rod (104), and the first screw rod (104) takes the limiting ring (106) as the midpoint, and the threads on the left and right sides of the first screw rod (104) are opposite.

4. The anti-drop device for a jack for automobile repair according to claim 1, characterized in that: A mounting plate (107) fixed to the fixing plate (201) is welded to the lower surface of the top block (101) at the bottom, and the mounting plate (107) and the fixing plate (201) are fixed by bolts.

5. The anti-drop device for automobile repair jack according to claim 1, characterized in that: The inner thread of the support tube (202) is connected to an adjustment rod (203) extending to the outside thereof, and the bottom end of the adjustment rod (203) is hingedly connected to a support block (204).

6. The anti-drop device for a jack for automobile repair according to claim 5, characterized in that: The number of the support tube (202), the adjustment rod (203) and the connecting rod (207) is three, and the three support tubes (202) are distributed in a triangular shape.

7. The anti-drop device for a jack for automobile repair according to claim 1, characterized in that: A second handle (208) is welded to the bottom end of the second screw rod (205), and the top end of the second screw rod (205) is connected to the lower surface of the fixing plate (201) via a bearing.

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