Automobile jack capable of limiting minimum height

Abstract

The utility model discloses an automobile jack capable of limiting the minimum height, and relates to the technical field of automobile jacks. Comprising a supporting seat block, first rotating rods are symmetrically and rotationally inserted into the supporting seat block, a first bottom supporting rod is arranged on one side of the supporting seat block, a second bottom supporting rod is arranged on the other side of the supporting seat block, a first top supporting rod is arranged above the first bottom supporting rod, a second top supporting rod is arranged above the second bottom supporting rod, and a top block is arranged in the middle of the upper portion of the supporting seat block; third rotating rods are symmetrically and rotationally inserted into the top block. According to the jack, through the arrangement of the supporting table block and the limiting contact table block, the limiting contact table block is adjusted on the first bottom supporting rod and the second bottom supporting rod, so that when the limiting contact table block makes contact with the supporting table block, the overall lowest height of the jack is adjusted, and the applicability is improved; and reinforcing ribs are arranged on the limiting supporting table blocks, so that the strength of the jack is better improved, and the performance of the jack is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile jack, concretely is the automobile jack of lowest height limit. BACKGROUND

[0002] The automobile jack is a kind of tool specially designed for lifting automobile, mainly used for replacing tire, checking chassis or carrying out maintenance, it is lifted by mechanical or hydraulic principle, and it is convenient for master or owner to carry out relevant operation.

[0003] The prior portable automobile jack (authorization announcement number: CN211946066U) has the following defects: the above-mentioned jack is convenient for use personnel to complete the carrying and use of jack without exerting much force, and the above-mentioned and part of the jack are not easy to have the lowest supporting position, so that when the jack is in the lower position, the contact supporting effect is easily deficient, and the lowest height of the jack needs to be adjusted to improve the applicability, therefore, the utility model is provided. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing the automobile jack of lowest height limit to solve the problems in the above-mentioned background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: the automobile jack of lowest height limit, including support seat block, the first rotating stick is symmetrically rotatably inserted on support seat block, the first bottom support rod is arranged on one side of support seat block, the second bottom support rod is arranged on the other side of support seat block, the first top support rod is arranged above the first bottom support rod, the second top support rod is arranged above the second bottom support rod, the top block is arranged in the middle of support seat block upper side, the third rotating stick is symmetrically rotatably inserted on top block, the connecting plate is arranged on the top of first bottom support rod and second bottom support rod, the second rotating stick is rotatably inserted on connecting plate, and the support platform is fixed symmetrically on the top surface of support seat block.

[0006] Preferably, the bottom surface of the first bottom support rod is slidably provided with a limit contact platform, the bottom surface of the second bottom support rod is slidably provided with a limit contact platform, the limit contact platforms are symmetrically arranged and correspondingly arranged with the support platform.

[0007] Preferably, the top lifting screw is arranged between the connecting plates, one end of the top lifting screw is connected with the driving mechanism, and the bottom end of the first bottom support rod and the second bottom support rod is sleeved and fixed on the corresponding position of the first rotating stick.

[0008] Preferably, the top end of the first bottom support rod is sleeved and fixed on the corresponding position of the second rotating stick, the top end of the second bottom support rod is sleeved and fixed on the corresponding position of the second rotating stick, and the first meshing tooth ring block is arranged on the contact end of the first bottom support rod and the second bottom support rod.

[0009] Preferably, the first top support rod top end is fixed on the corresponding position of the third rotating rod, and the first top support rod bottom end is fixed on the corresponding position of the second rotating rod.

[0010] Preferably, the second top support rod top end is fixed on the corresponding position of the third rotating rod, and the second top support rod bottom end is fixed on the corresponding position of the second rotating rod, and the first top support rod and the second top support rod contact end are provided with the second meshing tooth ring block.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] The minimum height limiting automobile jack has the advantages that the position of the limiting contact block is adjusted on the first bottom support rod and the second bottom support rod, so that the minimum height of the whole jack is adjusted when the limiting contact block contacts the supporting block, the applicability is improved, the reinforcing ribs arranged on the supporting block can better increase the strength of the jack and improve the performance of the jack. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a split front view of the utility model;

[0014] Fig. 2 It is a first cross-sectional view of the overall structure of the utility model;

[0015] Fig. 3 It is a second cross-sectional view of the overall structure of the utility model.

[0016] In the drawing: 1, supporting block; 101, first rotating rod; 102, supporting block; 103, limiting contact block; 2, first bottom support rod; 201, second bottom support rod; 202, second rotating rod; 203, first top support rod; 204, second top support rod; 205, top block; 206, third rotating rod; 3, driving mechanism; 301, jacking screw. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0018] In the use process of the jack, the stability and strength of the jack need to be ensured, the jack provided by the utility model is specially used for limiting the minimum height of the jack, so that the applicability of the jack is wider, meanwhile, the strength and performance of the jack are improved, in the use process of the jack, preparation work such as inspection needs to be carried out in advance, so that the normal use of the jack is ensured.

[0019] As Figs. 1-3 The utility model provides a technical scheme: the minimum height of the automobile jack can be limited, which comprises a supporting seat block 1, a first rotating rod 101 is symmetrically and rotatably arranged on the supporting seat block 1, a first bottom supporting rod 2 is arranged on one side of the supporting seat block 1, a second bottom supporting rod 201 is arranged on the other side of the supporting seat block 1, a first top supporting rod 203 is arranged above the first bottom supporting rod 2, a second top supporting rod 204 is arranged above the second bottom supporting rod 201, a top block 205 is arranged at the middle of the upper portion of the supporting seat block 1, a third rotating rod 206 is symmetrically and rotatably arranged on the top block 205, a connecting plate is arranged at the top of the first bottom supporting rod 2 and the second bottom supporting rod 201, a second rotating rod 202 is rotatably arranged on the connecting plate, and a supporting table block 102 is fixedly arranged on the top surface of the supporting seat block 1.

[0020] In the embodiment, a limiting contact table block 103 is slidably arranged on the bottom surface of the first bottom supporting rod 2, a limiting contact table block 103 is slidably arranged on the bottom surface of the second bottom supporting rod 201, the limiting contact table blocks 103 are symmetrically arranged and correspondingly arranged with the supporting table block 102, wherein the jack body lifting structure is prior art, and the side of the limiting contact table block 103 is provided with a reinforcing rib.

[0021] In the embodiment, a jacking screw 301 is arranged between the connecting plates, one end of the jacking screw 301 is connected with a driving mechanism 3, and the bottom ends of the first bottom supporting rod 2 and the second bottom supporting rod 201 are fixedly sleeved on the corresponding first rotating rod 101, wherein the jacking screw 301 adopts a forged screw rod, the forged screw rod can improve the material performance, in the forging process, the material is plastically deformed under the action of pressure, can refine the grain, improve the organizational structure, thereby improve the strength, hardness, toughness, such as: carrying capacity and fatigue resistance, in addition, the process of forging also improves the dimensional accuracy and surface quality, saves materials and improves production efficiency, and can improve the appearance and other advantages, the driving mechanism 3 is prior art, and the rotation of the jacking screw 301 is ensured.

[0022] In the embodiment, the first bottom support rod 2 is sleeved and fixed at the top end of the corresponding second rotating rod 202, the second bottom support rod 201 is sleeved and fixed at the top end of the corresponding second rotating rod 202, the first bottom support rod 2 and the second bottom support rod 201 are provided with a first meshing tooth ring block at the contact end, the first top support rod 203 is sleeved and fixed at the top end of the corresponding third rotating rod 206, the first top support rod 203 is sleeved and fixed at the bottom end of the corresponding second rotating rod 202, wherein the first bottom support rod 2 and the second bottom support rod 201 are in a positive V shape, and the first top support rod 203 and the second top support rod 204 are in an inverted V shape.

[0023] In the embodiment, the second top support rod 204 is sleeved and fixed at the top end of the corresponding third rotating rod 206, the second top support rod 204 is sleeved and fixed at the bottom end of the corresponding second rotating rod 202, the first top support rod 203 and the second top support rod 204 are provided with a second meshing tooth ring block at the contact end, wherein the first meshing tooth ring block and the second meshing tooth ring block are prior art, the position of the limiting contact block 103 on the first bottom support rod 2 and the second bottom support rod 201 is adjusted by the arrangement of the supporting block 102 and the limiting contact block 103, so that when the limiting contact block 103 is in contact with the supporting block 102, the lowest height of the whole jack is adjusted, the applicability is improved, and the reinforcing ribs arranged on the supporting block 102 better increase the strength of the jack and improve the performance of the jack.

[0024] Working principle: when the jack is used, the jack is controlled to perform lifting and supporting operation, after the operation is completed, the jack needs to be stored, when the jack needs to be adjusted to the lowest storage height, the positions of the limiting contact blocks 103 on the first bottom support rod 2 and the second bottom support rod 201 are adjusted, so that the overall height of the jack is lowered until the limiting contact block 103 contacts the supporting block 102, at this time, the limiting contact block 103 and the supporting block 102 ensure the strength and stability of the jack at the lowest height.

[0025] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the attached embodiments and its equivalents.

Claims

1. A jack for vehicles, which can limit the minimum height, comprising a support block (1), characterized in that: The first rotating rod (101) is symmetrically and rotatably arranged on the support block (1), the first bottom supporting rod (2) is arranged on one side of the support block (1), the second bottom supporting rod (201) is arranged on the other side of the support block (1), the first top supporting rod (203) is arranged above the first bottom supporting rod (2), the second top supporting rod (204) is arranged above the second bottom supporting rod (201), the top block (205) is arranged at the middle of the top of the support block (1), the third rotating rod (206) is symmetrically and rotatably arranged on the top block (205), the connecting plates are arranged at the top of the first bottom supporting rod (2) and the second bottom supporting rod (201), the second rotating rod (202) is rotatably arranged on the connecting plates, and the support platform (102) is symmetrically arranged on the top surface of the support block (1).

2. The minimum height limitable automotive jack according to claim 1, characterized by: The first bottom supporting rod (2) is slidably provided with the limiting contact platform (103) on the bottom surface, the second bottom supporting rod (201) is slidably provided with the limiting contact platform (103) on the bottom surface, the limiting contact platforms (103) are symmetrically arranged and correspondingly arranged with the support platform (102).

3. The minimum height limitable automotive jack of claim 1, wherein: The jacking screw (301) is arranged between the connecting plates, one end of the jacking screw (301) is connected with the driving mechanism (3), and the first bottom supporting rod (2) and the second bottom supporting rod (201) are fixedly sleeved on the corresponding first rotating rod (101) at the bottom end.

4. The minimum height limitable automotive jack of claim 1, wherein: The first bottom supporting rod (2) is fixedly sleeved on the corresponding second rotating rod (202) at the top end, the second bottom supporting rod (201) is fixedly sleeved on the corresponding second rotating rod (202) at the top end, and the first bottom supporting rod (2) and the second bottom supporting rod (201) are provided with the first meshing tooth ring block at the contact end.

5. The minimum height limitable automotive jack of claim 1, wherein: The first top supporting rod (203) is fixedly sleeved on the corresponding third rotating rod (206) at the top end, and the first top supporting rod (203) is fixedly sleeved on the corresponding second rotating rod (202) at the bottom end.

6. The minimum height limitable automotive jack of claim 1, wherein: The second top supporting rod (204) is fixedly sleeved on the corresponding third rotating rod (206) at the top end, and the second top supporting rod (204) is fixedly sleeved on the corresponding second rotating rod (202) at the bottom end, and the first top supporting rod (203) and the second top supporting rod (204) are provided with the second meshing tooth ring block at the contact end.

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