CN215479412U - High-stability jack for automobile maintenance - Google Patents

Abstract

The utility model discloses a high-stability jack for automobile maintenance, which comprises a lifting device, wherein a supporting device is arranged below the lifting device, the supporting device comprises a cross-shaped bottom plate, a second limiting block is fixedly connected at the edge of the front side of the upper surface of the cross-shaped bottom plate, an annular groove is formed in the front side surface of the second limiting block, the lifting device comprises a pressure sleeve, the rubber block can be stressed to deform, the surface area is increased, so that the effect of fitting the bottom surface shape of a supporting point of a chassis is achieved, thereby strengthening the stability of the connection between the equipment and the automobile and being beneficial to increasing the safety factor of the equipment in the using process, the arrangement of the spring can play a role of buffering the impact caused by the falling of the automobile to a certain degree when the lower surface of the bearing plate is contacted and extruded with the upper surface of the spring, meanwhile, the second limiting block is matched with the limiting sliding groove to prevent the bearing plate from rotating and displacing in the whole process, and the safety of the equipment in the using process is improved.

Description

High-stability jack for automobile maintenance

Technical Field

The utility model relates to the technical field of automobile maintenance auxiliary tools, in particular to a high-stability jack for automobile maintenance.

Background

The vehicle jack is placed in a tool box of the vehicle and used for jacking the vehicle body when the spare tire is replaced. The automobile jack comprises a pneumatic jack, an electric jack, a hydraulic jack and a mechanical jack, and the hydraulic jack and the mechanical jack are commonly used. The automobile jack is used for replacing a spare tire, and the automobile is driven to go out, and the mechanical replacing machine is convenient to replace when the outer tire is damaged, namely the scissor jack, and the scissor jack has the advantages that: light and handy, cheap; the disadvantages are as follows: 1: the mechanical principle causes the male to be too tired and basically not to eat but to eat, the male needs to sweat and is full of the face when using the device, and the female needs to eat more but not to eat. 2: without the circular top disk, the tire easily slips out. 3: since the steel sheet is not a high-quality steel sheet, it is small, and therefore, it is easily broken or has a distorted neck. 4: the safety is too low and often slips easily and inadvertently can injure a person.

However, most of traditional jacks for automobile maintenance are simple in structure, so that the jack is not stable and reliable enough in supporting effect on an automobile chassis, the safety coefficient is low in the using process, and the risk of damaging personnel and vehicles exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-stability jack for automobile maintenance, which solves the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a high-stability jack for automobile maintenance comprises a lifting device, wherein a supporting device is arranged below the lifting device, the supporting device comprises a cross-shaped bottom plate, a second limiting block is fixedly connected to the front side edge of the upper surface of the cross-shaped bottom plate, a circular groove is formed in the front side surface of the second limiting block, the lifting device comprises a pressure sleeve, a connecting hole is formed in the center of the lower end of the front side surface of the pressure sleeve, a sleeve rod is fixedly connected to the center of the lower end of the front side surface of the pressure sleeve, a threaded rod is rotatably connected to the inner wall of the sleeve rod in a penetrating mode, a rectangular handle is fixedly connected to the front side edge of the circumferential side surface of the threaded rod, a limiting hole is formed in the upper surface of the pressure sleeve, a first limiting block is fixedly connected to the upper end edge of the left side of the inner wall of the limiting hole, and springs are fixedly connected to the front side and the rear side of the upper surface of the pressure sleeve, the inner wall of the limiting hole is connected with a lifting rod in a penetrating and sliding mode, the left side face of the lifting rod is provided with a limiting sliding groove, the upper surface of the lifting rod is fixedly connected with a bearing plate, the upper surface of the bearing plate is provided with a cross groove, and the inner wall of the cross groove is connected with a rubber block in a penetrating and sliding mode.

Preferably, the lower surface of the pressure sleeve is fixedly connected with the center of the upper surface of the cross-shaped bottom plate.

Preferably, the upper surface of the annular groove is fixedly connected with the front side of the lower surface of the loop bar.

Preferably, the right side face and the front and back side faces of the first limiting block are both in sliding connection with the inner wall of the limiting sliding groove, the upper surface of the spring is attached to the lower surface of the bearing plate, and the left side face and the right side face of the rectangular handle are both fixedly connected with rubber sheets.

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

(1) this kind of high stable jack for auto repair, at the ascending gliding in-process that continues of lifter, the left side of car will be by jack-up and break away from ground to suitable distance, in order to reach the purpose that highly changes car one side and follow-up maintenance, it needs to fix the rectangle handle spacing at the earth's surface at the instrument that uses suitable after highly accomplishing of regulation lifter, the in-process of upper surface and vehicle chassis strong point contact and stable support at the rubber block, the rubber block can atress deformation surface area increase, in order to reach the effect of laminating chassis strong point bottom surface shape more, thereby strengthen the stability of being connected between equipment and car, be favorable to increasing the factor of safety in the equipment use.

(2) This kind of high stable jack for auto repair, the setting up of spring can play the effect that the car whereabouts of certain degree buffering led to the fact the impact when the lower surface of bearing plate and the upper surface contact of spring and extrusion, and offering of stopper cooperation spacing spout can prevent to avoid the bearing plate to take place rotary displacement at whole in-process simultaneously, has increased the security of equipment in the use.

Drawings

FIG. 1 is an overall schematic view of the present invention;

FIG. 2 is a schematic view of a lifting device according to the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a schematic view of the supporting device of the present invention.

In the figure: 1. a lifting device; 101. a pressure sleeve; 102. connecting holes; 103. a loop bar; 104. a threaded rod; 105. a rectangular handle; 106. a limiting hole; 107. a first limiting block; 108. a spring; 109. a lifting rod; 110. a limiting chute; 111. a bearing plate; 112. a cross groove; 113. a rubber block; 2. a support device; 201. a cross bottom plate; 202. a second limiting block; 203. an annular groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a high-stability jack for automobile maintenance comprises a lifting device 1, a supporting device 2 is arranged below the lifting device 1, the supporting device 2 comprises a cross bottom plate 201, a second limiting block 202 is fixedly connected to the front side edge of the upper surface of the cross bottom plate 201, an annular groove 203 is formed in the front side face of the second limiting block 202, the lifting device 1 comprises a pressure sleeve 101, a connecting hole 102 is formed in the center of the lower end of the front side face of the pressure sleeve 101, a sleeve rod 103 is fixedly connected to the center of the lower end of the front side face of the pressure sleeve 101, the inner wall of the sleeve rod 103 is connected with a threaded rod 104 in a penetrating and rotating mode, a rectangular handle 105 is fixedly connected to the front side edge of the circumferential side face of the threaded rod 104, a limiting hole 106 is formed in the upper surface of the pressure sleeve 101, a first limiting block 107 is fixedly connected to the left upper end edge of the inner wall of the limiting hole 106, springs 108 are fixedly connected to the front and rear sides of the upper surface of the pressure sleeve 101, the inner wall of the limiting hole 106 is connected with a lifting rod 109 in a penetrating and sliding mode, the left side face of the lifting rod 109 is provided with a limiting sliding groove 110, the upper surface of the lifting rod 109 is fixedly connected with a bearing plate 111, the upper surface of the bearing plate 111 is provided with a cross groove 112, and the inner wall of the cross groove 112 is connected with a rubber block 113 in a penetrating and sliding mode.

The lower surface of the pressure sleeve 101 is fixedly connected with the center of the upper surface of the cross-shaped bottom plate 201, the upper surface of the annular groove 203 is fixedly connected with the front side of the lower surface of the loop bar 103, the right side and the front and rear sides of the first limiting block 107 are both connected with the inner wall of the limiting sliding groove 110 in a sliding mode, the upper surface of the spring 108 is attached to the lower surface of the bearing plate 111, and the left side and the right side of the rectangular handle 105 are both fixedly connected with rubber sheets.

Specifically, when the utility model is used: firstly, parking the automobile to the left side of a slope road, then placing the device below a supporting point set at the left edge of the middle section of an automobile chassis, when an operator holds a rectangular handle 105 and starts rotating clockwise, moving a threaded rod 104 backwards along the inner wall of a loop bar 103 and squeezing air in a pressure sleeve 101, driving a bearing plate 111 to slide upwards at a constant speed along the inner wall of a limiting hole 106 due to the increased air pressure of the lower surface of a lifting rod 109, then sequentially contacting the upper surfaces of a rubber block 113 and the bearing plate 111 with the supporting point set on the automobile chassis, jacking up the left side of the automobile and separating from the ground to a proper distance in the process of the upward continuous sliding of the lifting rod 109 so as to achieve the purposes of changing the height of one side of the automobile and performing subsequent maintenance, fixing and limiting the rectangular handle 105 on the ground surface by using a proper tool after the height of the lifting rod 109 is adjusted, in the process that the upper surface of the rubber block 113 is in contact with and stably supports a supporting point of an automobile chassis, the rubber block 113 is stressed to deform, the upper surface area is increased, so that the effect of better fitting the shape of the bottom surface of the supporting point of the chassis is achieved, the stability of connection between equipment and an automobile is enhanced, and the safety factor of the equipment in the use process is increased. And the speed descends too fast and may cause the car to strike ground at a high speed, and then has the probability that causes the vehicle secondary damage, and the setting of spring 108 can play the effect that the car whereabouts of certain degree buffering caused the impact when the lower surface of bearing plate 111 contacts and extrudes with the upper surface of spring 108, and the setup of spacing spout 110 of stopper 107 cooperation can prevent to avoid bearing plate 111 to take place rotary displacement at whole in-process simultaneously, has increased the security of equipment in the use.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a high stable jack for auto repair, includes elevating gear (1), the below of elevating gear (1) is provided with strutting arrangement (2), strutting arrangement (2) are including cross bottom plate (201), the upper surface front side edge fixedly connected with stopper two (202) of cross bottom plate (201), ring channel (203), its characterized in that have been seted up to the leading flank of stopper two (202): the lifting device (1) comprises a pressure sleeve (101), a connecting hole (102) is formed in the center of the lower end of the front side of the pressure sleeve (101), a loop bar (103) is fixedly connected to the center of the lower end of the front side of the pressure sleeve (101), a threaded rod (104) is connected to the inner wall of the loop bar (103) in a penetrating and rotating mode, a rectangular handle (105) is fixedly connected to the edge of the front side of the circumferential side of the threaded rod (104), a limiting hole (106) is formed in the upper surface of the pressure sleeve (101), a first limiting block (107) is fixedly connected to the edge of the upper end of the left side of the inner wall of the limiting hole (106), springs (108) are fixedly connected to the front side and the rear side of the upper surface of the pressure sleeve (101), a lifting rod (109) is connected to the inner wall of the limiting hole (106) in a penetrating and sliding mode, and a limiting sliding chute (110) is formed in the left side of the lifting rod (109), the upper surface of the lifting rod (109) is fixedly connected with a bearing plate (111), a cross groove (112) is formed in the upper surface of the bearing plate (111), and the inner wall of the cross groove (112) is connected with a rubber block (113) in a penetrating and sliding mode.

2. The high-stability jack for automobile maintenance according to claim 1, wherein: the lower surface of the pressure sleeve (101) is fixedly connected with the center of the upper surface of the cross bottom plate (201).

3. The high-stability jack for automobile maintenance according to claim 1, wherein: the upper surface of the annular groove (203) is fixedly connected with the front side of the lower surface of the loop bar (103).

4. The high-stability jack for automobile maintenance according to claim 1, wherein: the right side face and the front side face and the rear side face of the first limiting block (107) are connected with the inner wall of the limiting sliding groove (110) in a sliding mode.

5. The high-stability jack for automobile maintenance according to claim 1, wherein: the upper surface of the spring (108) is attached to the lower surface of the bearing plate (111).

6. The high-stability jack for automobile maintenance according to claim 1, wherein: the left side and the right side of the rectangular handle (105) are fixedly connected with rubber sheets.

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