CN213651703U - Scissor jack - Google Patents

Abstract

The utility model discloses a scissor jack, include: the jack body, fixed plate fixed mounting is in the bottom of jack body side wall face, the both ends movable mounting of axostylus axostyle is in the both ends of fixed plate internal face, the rotatable setting of sleeve is on the outer wall face of spacing groove, the bottom of connecting rod sets up on telescopic outer wall face, the one end of kelly sets up in the top of connecting rod side wall face, the rotatable setting in the side wall face of axostylus axostyle in the bottom of screw rod, the top of support arm articulates in the both ends of fixed axle, the draw-in groove has been seted up to the last wall of support arm, and this scissor jack can provide sufficient side direction holding power in the use, avoids taking place to.

Description

Scissor jack

Technical Field

The utility model relates to a hoisting equipment technical field specifically is a scissor jack.

Background

The scissor jack is one kind of jack, because its structural appearance is just like scissors, so called the scissor jack, mainly used for the jack-up of light-tonnage car such as car, support, the current scissor jack bottom is less, lacks sufficient side direction holding power, very easily takes place to topple over, causes danger, to above problem, the scheme that tunnels to produce.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a scissor jack to it is less to solve jack bottom volume among the prior art, lacks sufficient side direction holding power, takes place to empty easily, takes place dangerous problem.

In order to achieve the above object, the utility model provides a following technical scheme: a scissor jack comprising: the jack comprises a jack body, a fixing plate, a shaft lever, a limiting groove, a sleeve, a connecting rod, a clamping rod, a screw rod, a fixing shaft, a support arm, a clamping groove and a base, wherein the fixing plate is fixedly installed at the bottom end of the side wall surface of the jack body, two ends of the shaft lever are movably installed at two ends of the inner wall surface of the fixing plate, the limiting groove is formed in the outer wall surface of the shaft lever, the sleeve is rotatably arranged on the outer wall surface of the limiting groove, the bottom end of the connecting rod is arranged on the outer wall surface of the sleeve, one end of the clamping rod is arranged at the top end of the side wall surface of the connecting rod, the bottom end of the screw rod is rotatably arranged on the side wall surface of the shaft lever, the fixing shaft is movably arranged on the outer wall surface of the.

Preferably, the cross section of the fixing plate is in a concave structure.

Preferably, the bottom end of the screw is provided with a limiting plate.

Preferably, the top end of the screw is arranged on the nut.

Preferably, the number of the fixing plates, the shaft levers, the sleeves, the connecting rods, the clamping rods, the screw rods, the fixing shafts and the support arms is two respectively, and the fixing plates, the shaft levers, the sleeves, the connecting rods, the clamping rods, the screw rods, the fixing shafts and the support arms are symmetrically arranged on two sides of the jack body.

Compared with the prior art, the beneficial effects of the utility model are that: this scissor jack carries out preliminary spacing to the support arm through using the kelly, and the adaptable different ground angle of draw-in groove of wall a plurality of on the support arm, then rotatory screw rod can make the top of support arm move down to and the cooperation of kelly and draw-in groove can be fixed the support arm, make the base support in ground, make the jack body have good side direction holding power.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partial schematic view of the present invention;

fig. 3 is a partial explosion diagram of the present invention.

In the figure: 1. the jack comprises a jack body, 2, a fixing plate, 3, a shaft rod, 4, a limiting groove, 5, a sleeve, 6, a connecting rod, 7, a clamping rod, 8, a screw rod, 9, a fixing shaft, 10, a support arm, 11, a clamping groove, 12, a base, 13, a nut, 14 and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a scissor jack, which comprises: a scissor jack comprising: the jack comprises a jack body 1, a fixed plate 2, a shaft lever 3, a limiting groove 4, a sleeve 5, a connecting rod 6, a clamping rod 7, a screw rod 8, a fixed shaft 9, a support arm 10, a clamping groove 11 and a base 12, wherein the fixed plate 2 is fixedly arranged at the bottom end of the side wall surface of the jack body 1, the jack body 1 is the prior art and can meet the requirements of the scissor jack of the utility model, two ends of the shaft lever 3 are movably arranged at two ends of the inner wall surface of the fixed plate 2, the limiting groove 4 is arranged on the outer wall surface of the shaft lever 3, the sleeve 5 is rotatably arranged on the outer wall surface of the limiting groove 4, the bottom end of the connecting rod 6 is arranged on the outer wall surface of the sleeve 5, one end of the clamping rod 7 is arranged at the top end of the side wall surface of the connecting rod 6, the bottom end of the screw rod 8 is, the upper wall surface of the supporting arm 10 is provided with a clamping groove 11, and the top end of the base 12 is hinged at the bottom end of the supporting arm 10.

Preferably, the fixing plate 2 has a concave cross-sectional shape.

Preferably, a limiting plate 14 is further disposed at the bottom end of the screw 8, and can limit the screw 8.

Preferably, the top end of the screw 8 is disposed at the nut 13 to facilitate the rotation of the screw 8.

Preferably, the number of the fixing plate 2, the shaft lever 3, the sleeve 5, the connecting rod 6, the clamping rod 7, the screw 8, the fixing shaft 9 and the support arm 10 is two, and the fixing plate, the shaft lever 3, the sleeve 5, the connecting rod 6, the clamping rod 7, the screw 8, the fixing shaft 9 and the support arm 10 are symmetrically arranged on two sides of the jack body 1.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

Example (b): jack body 1 is for cutting formula jack, satisfy the utility model discloses a model is all usable, at first prop up the jack, then it is rotatory to use spanner swivel nut 13 to drive screw rod 8, fixed axle 9 will follow screw rod 8 downstream, it is rotatory to use axostylus axostyle 3 as the centre of a circle with kelly 7 simultaneously, make 7 joints of kelly in suitable draw-in groove 11, base 12 will contact the ground of one side, the nut 13 of rotatory opposite side, make it reach the same effect, then the nut 13 of rotatory both sides respectively, make the top of support arm 10 remove downwards gradually, draw-in groove 11 will withstand kelly 7, support base 12 to both sides, the completion is supported jack body 1 side direction, it is more firm to make the support.

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 the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," "fixedly mounted," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above 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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A scissor jack, comprising: a jack body (1),

the fixing plate (2) is fixedly arranged at the bottom end of the side wall surface of the jack body (1);

the two ends of the shaft lever (3) are movably arranged at the two ends of the inner wall surface of the fixing plate (2), and the outer wall surface of the shaft lever (3) is provided with a limit groove (4);

the sleeve (5) is rotatably arranged on the outer wall surface of the limiting groove (4);

the bottom end of the connecting rod (6) is arranged on the outer wall surface of the sleeve (5);

one end of the clamping rod (7) is arranged at the top end of the side wall surface of the connecting rod (6);

the bottom end of the screw rod (8) is rotatably arranged on the side wall surface of the shaft lever (3);

the fixed shaft (9), the said fixed shaft (9) is movably arranged on the outer wall of the threaded spindle (8);

the top ends of the support arms (10) are hinged to the two ends of the fixed shaft (9), and the upper wall surface of each support arm (10) is provided with a clamping groove (11);

the top end of the base (12) is hinged to the bottom end of the support arm (10).

2. A scissor jack as claimed in claim 1, wherein: the cross section of the fixing plate (2) is of a concave structure.

3. A scissor jack as claimed in claim 1, wherein: and a limiting plate (14) is arranged at the bottom end of the screw rod (8).

4. A scissor jack as claimed in claim 1, wherein: the top end of the screw rod (8) is arranged on the nut (13).

5. A scissor jack as claimed in claim 1, wherein: the number of the fixing plates (2), the shaft levers (3), the sleeves (5), the connecting rods (6), the clamping rods (7), the screw rods (8), the fixing shafts (9) and the support arms (10) is two, and the fixing plates are symmetrically arranged on two sides of the jack body (1).

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