CN217264508U

CN217264508U - Novel scissor jack

Info

Publication number: CN217264508U
Application number: CN202220225248.8U
Authority: CN
Inventors: 郭晓欣
Original assignee: Guangzhou Haifeng Auto Parts Co ltd
Current assignee: Guangzhou Haifeng Auto Parts Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-08-23
Anticipated expiration: 2032-01-26

Abstract

The utility model provides a novel scissor jack, the on-line screen storage device comprises a base, cut formula lift portion and supporting part, cut formula lift portion and include four support piece and adjusting screw, four support piece are first support piece respectively, second support piece, third support piece and fourth support piece, first support piece, second support piece, third support piece and fourth support piece form a mobilizable parallelogram structure, adjusting screw transversely runs through quadrilateral structure, first support piece and second support piece's first end is articulated mutually with support piece, all be provided with the first lateral wall additional strengthening along length direction extension on first support piece and the second support piece, first lateral wall additional strengthening includes first extension and second extension, the second extension is for first extension, the downward sloping, make and have the contained angle between first extension and the second extension. The utility model provides a novel shear type jack structural strength is better.

Description

Novel scissor jack

Technical Field

The utility model relates to a jack technical field, in particular to novel shear formula jack.

Background

The jack is a common tool used in vehicle maintenance, and the common jack generally adopts a mechanical mode or a hydraulic mode to drive the jack to lift, so as to lift the vehicle. However, the structure of the hydraulically driven jack is relatively complex, and the manufacturing cost of the jack is high; the existing mechanical jack is mainly a scissor jack, the existing scissor jack comprises four support rods arranged in a parallelogram shape, an adjusting screw rod penetrates through two opposite hinged points of the four support rods simultaneously, the thread directions of the two hinged points are opposite, a user rotates the adjusting screw rod to drive the adjusting screw rod to ascend or descend, and the scissor jack is low in cost and simple in structure.

The existing scissor jack has the problem of poor structural strength.

SUMMERY OF THE UTILITY MODEL

Therefore, a need exists for a novel scissor jack with improved structural strength.

The utility model provides a novel scissor jack, which comprises a base, a scissor lifting part and a supporting part, wherein the scissor lifting part comprises four supporting pieces and an adjusting screw rod, the four supporting pieces are respectively a first supporting piece, a second supporting piece, a third supporting piece and a fourth supporting piece, the first supporting piece, the second supporting piece, the third supporting piece and the fourth supporting piece form a movable parallelogram structure, the adjusting screw rod transversely penetrates through the quadrilateral structure, the first ends of the first supporting piece and the second supporting piece are hinged with the supporting pieces, the second ends of the first supporting piece and the second supporting piece are respectively hinged with the third supporting piece and the fourth supporting piece, the first supporting piece and the second supporting piece are respectively provided with a first side wall reinforcing structure extending along the length direction, and the first side wall reinforcing structure comprises a first extending part and a second extending part, the second extending part is inclined downwards relative to the first extending part, so that an included angle is formed between the first extending part and the second extending part.

Preferably, the third supporting member and the fourth supporting member include a first reinforcing wall and a second reinforcing wall, and reinforcing structures are arranged on both the first reinforcing wall and the second reinforcing wall and are arranged on one side close to the supporting portion.

Preferably, a gap is formed between the first reinforcing wall and the second reinforcing wall, the bottom of the first reinforcing wall is connected with the bottom of the second reinforcing wall through a bottom plate, and a through hole is formed in the bottom plate.

Preferably, the reinforcing structures respectively provided on the first reinforcing wall and the second reinforcing wall are projected in the same direction.

Preferably, the first support and the second support each include a first sidewall and a second sidewall, and the first sidewall and the second sidewall are each provided with a first sidewall reinforcing structure thereon.

Preferably, the first side wall and the second side wall are arranged at intervals, and the top parts are connected through a top wall, and holes are formed in the top wall.

Preferably, the supporting part includes top bearing structure and edge first connecting portion and the second connecting portion of top bearing structure both sides downwardly extending respectively, top bearing structure is provided with depressed part, first bellying and second bellying are located respectively top bearing structure's both ends, the depressed part is located between first bellying and the second bellying, first bellying and second bellying are provided with first holding surface and second holding surface respectively, the depressed part is provided with the third holding surface, first holding surface and second holding surface highly flush, just the third holding surface is less than first holding surface and second holding surface.

Preferably, the first supporting surface circumferential side portion is surrounded by a first reinforcing transition structure, the second supporting surface circumferential side portion is surrounded by a second reinforcing transition structure, and the first reinforcing transition structure and the second reinforcing transition structure are both connected with the third supporting surface.

Preferably, the first connecting portion is provided with a first reinforcing structure and a second reinforcing structure which extend downwards, the second connecting portion is provided with a third reinforcing structure and a fourth reinforcing structure which extend downwards, the upper ends of the first reinforcing structure and the third reinforcing structure are respectively connected with the first reinforcing transition structures on two sides of the first supporting surface, and the upper ends of the second reinforcing structure and the fourth reinforcing structure are respectively connected with the second reinforcing transition structures on two sides of the second supporting surface; and/or the first supporting surface and the third supporting surface are connected through the first reinforcing transition structure, and the second supporting surface and the third supporting surface are connected through the second reinforcing transition structure.

Preferably, two sides of the third supporting surface are respectively connected with the first connecting part and the second connecting part through a first side transition structure and a second side transition structure; the mounting groove is arranged between the first connecting portion and the second connecting portion, an opening is formed in the bottom of the supporting portion, and the mounting groove penetrates through two ends of the supporting portion.

The utility model provides a novel shear type jack structural strength is better.

Drawings

The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.

Fig. 1 is a schematic structural view of a scissor jack provided by the present invention;

fig. 2 is a schematic structural view of a third supporting member provided by the present invention;

fig. 3 is a schematic structural view of the support portion at a first angle according to the present invention;

fig. 4 is a schematic structural view of the supporting portion at a second angle.

In the drawings: the support structure comprises a top support structure 21, a first support surface 211, a second support surface 212, a third support surface 213, a first connection portion 22, a first reinforcement structure 221, a second reinforcement structure 222, a second connection portion 23, a third reinforcement structure 231, a fourth reinforcement structure 232, a first reinforcement transition structure 24, a second reinforcement transition structure 25, a first side transition structure 26, a second side transition structure 27, a base 3, a scissor lift portion 1, an adjusting screw 4, a first support 11, a second support 12, a third support 13, a first reinforcement wall 131, a second reinforcement wall 132, a bottom plate 133, a through hole 134, a fourth support 14, a hole 15, a top wall 151, a first side wall reinforcement structure 16, a first extension portion 161, a second extension portion 162, a second side wall reinforcement structure 17, a first hinge rod 51, and a second hinge rod 52.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "mounted," "first end," "second end," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-4, the present invention provides a novel scissor jack, which comprises a base 3, a scissor lift 1 and the supporting members mentioned in any of the above embodiments, wherein the scissor lift 1 comprises four supporting members and an adjusting screw 4, the four supporting members are respectively first supporting members 11, the first ends of the first support 11 and the second support 12 are hinged to the supports, the first ends of the third support 13 and the fourth support 14 are hinged to the base 3, the second end of the first support 11 and the second end of the third support 13 are hinged to each other through a first hinge rod 51, the second end of the second support 12 and the second end of the fourth support 14 are hinged to each other through a second hinge rod 52, the adjusting screw rod 4 penetrates through the first hinge rod 51 and the second hinge rod 52, and the first hinge rod 51 or the second hinge rod 52 is in threaded connection with the adjusting screw rod 4. The first support 11, the second support 12, the third support 13 and the fourth support 14 form a movable parallelogram structure, the adjusting screw 4 transversely penetrates through the parallelogram structure, the first ends of the first support 11 and the second support 12 are hinged with the supports, and the second ends of the first support 11 and the second support 12 are respectively hinged with the third support 13 and the fourth support 14.

The first support 11 and the second support 12 are both provided with a first sidewall reinforcing structure 16 extending along the length direction, the first sidewall reinforcing structure 16 includes a first extending portion 161 and a second extending portion 162, and the second extending portion 162 is inclined downward relative to the first extending portion 161, so that an included angle is formed between the first extending portion 161 and the second extending portion 162, thereby improving the structural strength of the support bar.

The scissors lifting portion of the scissors jack provided by the embodiment has sufficient structural strength, and particularly, the first supporting piece and the second supporting piece located above the scissors lifting portion have good structural strength, can jack up a heavy object well, and has long service life.

Referring to fig. 2, in a preferred embodiment, the third and

fourth supporters

13 and 14 include first and second reinforcing

walls

131 and 132, and the second sidewall reinforcing structure 17 is disposed on each of the first and second reinforcing

walls

131 and 132, and the second sidewall reinforcing structure 17 is disposed on a side close to the supporting portion. The third support 13 and the fourth support 14, which realize the scissor jack, can also have a better structural strength.

Referring to fig. 2, in the preferred embodiment, the first reinforcing wall 131 and the second reinforcing wall 132 have a gap therebetween and are connected at the bottom by a bottom plate 133, and the bottom plate 133 is opened with a through hole 134. On one hand, the structure strength is better, the processing is convenient, on the other hand, the material is saved, and the weight of the scissor jack is reduced.

Referring to fig. 2, in the preferred embodiment, the reinforcing structures provided on the first reinforcing wall 131 and the second reinforcing wall 132, respectively, all protrude in the same direction. The processing and forming are more convenient while the structural strength is provided.

Referring to fig. 1, in a preferred embodiment, the first and second supports 11 and 12 each include first and second sidewalls, each of which has a first sidewall reinforcement structure 16 disposed thereon.

Referring to fig. 1, in a preferred embodiment, the first and second side walls are spaced apart and the top is connected by a top wall, with the top wall 151 having an aperture 15 disposed therein. The processing and forming are more convenient while the structural strength is provided.

Referring to fig. 3-4, in a preferred embodiment, the support portion includes a top support structure 21 and first and

second connection portions

22 and 23 extending downward along both sides of the top support structure 21, respectively, the top support structure 21 is provided with a recess, first and second protrusions, the first and second protrusions are located at both ends of the top support structure 21, respectively, the recess is located between the first and second protrusions, the first and second protrusions are provided with first and

second support surfaces

211 and 212, respectively, the recess is provided with a third support surface 213, the first and

second support surfaces

211 and 212 are highly flush, and the third support surface 213 is lower than the first and

second support surfaces

211 and 212.

The supporting portion provided by the present embodiment is provided with the first supporting surface 211, the second supporting surface 212 and the third supporting surface 213 to achieve a better supporting effect in use. And the third supporting surface 213 is lower than the first supporting surface 211 and the second supporting surface 212, so that the slipping in use can be avoided, and the stress is better.

Referring to fig. 3-4, in a preferred embodiment, the first support surface 211 is circumferentially partially surrounded by a first reinforcing transition structure 24, the second support surface 212 is circumferentially partially surrounded by a second reinforcing transition structure 25, and both the first reinforcing transition structure 24 and the second reinforcing transition structure 25 are connected to a third support surface 213. The joint of the three support surfaces can have better strength.

Referring to fig. 3-4, in a preferred embodiment, the first connecting portion 22 and the second connecting portion 23 are respectively provided with a left reinforcing structure and a right reinforcing structure extending downward, and the left reinforcing structure and the right reinforcing structure are arranged to protrude outward.

Referring to fig. 3 to 4, in a preferred embodiment, a first reinforcing structure 221 and a second reinforcing structure 222 extending downward are provided on the first connecting portion 22 (the left reinforcing structure includes the first reinforcing structure 221 and the second reinforcing structure 222), a third reinforcing structure 231 and a fourth reinforcing structure 232 extending downward are provided on the second connecting portion 23 (the right reinforcing structure includes the third reinforcing structure 231 and the fourth reinforcing structure 232), upper ends of the first reinforcing structure 221 and the third reinforcing structure 231 are respectively connected with the first reinforcing transition structures 24 on both sides of the first supporting surface 211, and upper ends of the second reinforcing structure 222 and the fourth reinforcing structure are respectively connected with the second reinforcing transition structures 25 on both sides of the second supporting surface 212. The support piece is provided with better support strength, and a better support effect is realized.

Referring to fig. 3-4, in a preferred embodiment, the first bearing surface 211 and the third bearing surface 213 are connected by a first reinforcing transition structure 24, and the second bearing surface 212 and the third bearing surface 213 are connected by a second reinforcing transition structure 25.

Referring to fig. 3-4, in a preferred embodiment, the third supporting surface 213 is connected to the first connecting portion 22 and the second connecting portion 23 through the first side transition structure 26 and the second side transition structure 27 on two sides, respectively. A good connection strength between the third supporting surface 213 and both the first connecting portion 22 and the second connecting portion 23 is ensured.

Referring to fig. 3-4, in a preferred embodiment, there is a mounting slot between the first connection portion 22 and the second connection portion 23, the mounting slot having an opening at the bottom of the support portion and extending through both ends of the support portion. The installation and fixation of the supporting piece are convenient.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above embodiments only express the specific embodiments of the utility model, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The novel scissor jack is characterized by comprising a base, a scissor lifting part and a supporting part, wherein the scissor lifting part comprises four supporting pieces and an adjusting screw rod, the four supporting pieces are respectively a first supporting piece, a second supporting piece, a third supporting piece and a fourth supporting piece, the first supporting piece, the second supporting piece, the third supporting piece and the fourth supporting piece form a movable parallelogram structure, the adjusting screw rod transversely penetrates through the quadrilateral structure, the first ends of the first supporting piece and the second supporting piece are hinged with the supporting pieces, the second ends of the first supporting piece and the second supporting piece are respectively hinged with the third supporting piece and the fourth supporting piece, the first supporting piece and the second supporting piece are respectively provided with a first side wall reinforcing structure extending along the length direction, and the first side wall reinforcing structure comprises a first extending part and a second extending part, the second extending part is inclined downwards relative to the first extending part, so that an included angle is formed between the first extending part and the second extending part.

2. The novel scissor jack of claim 1, wherein the third and fourth supports comprise first and second reinforcing walls each having a reinforcing structure disposed thereon, the reinforcing structure being disposed adjacent to the support portion.

3. The novel scissor jack of claim 2, wherein the first reinforcing wall and the second reinforcing wall have a gap therebetween and are connected at their bottoms by a bottom plate, the bottom plate having a through hole formed therein.

4. The novel scissor jack of claim 2, wherein the reinforcing structures provided on the first reinforcing wall and the second reinforcing wall, respectively, all project in the same direction.

5. The novel scissor jack of claim 1, wherein the first and second supports each include a first side wall and a second side wall, each of the first and second side walls having a first side wall reinforcement structure disposed thereon.

6. The novel scissor jack of claim 5, wherein the first and second side walls are spaced apart and the top wall is connected by a top wall, the top wall having an aperture formed therein.

7. The scissor jack of claim 1, wherein the support portion includes a top support structure and first and second connection portions extending downwardly along respective sides of the top support structure, the top support structure having a recess, first and second raised portions, the first and second raised portions being disposed at respective ends of the top support structure, the recess being disposed between the first and second raised portions, the first and second raised portions having respective first and second support surfaces, the recess having a third support surface, the first and second support surfaces being substantially flush, and the third support surface being lower than the first and second support surfaces.

8. The scissor jack of claim 7, wherein the first support surface perimeter portion is surrounded by a first reinforced transition structure and the second support surface perimeter portion is surrounded by a second reinforced transition structure, the first and second reinforced transition structures each being connected to the third support surface.

9. The novel scissor jack of claim 8, wherein the first connecting portion is provided with a first reinforcing structure and a second reinforcing structure extending downward, the second connecting portion is provided with a third reinforcing structure and a fourth reinforcing structure extending downward, the upper ends of the first reinforcing structure and the third reinforcing structure are respectively connected with the first reinforcing transition structures on two sides of the first supporting surface, and the upper ends of the second reinforcing structure and the fourth reinforcing structure are respectively connected with the second reinforcing transition structures on two sides of the second supporting surface; and/or the first supporting surface and the third supporting surface are connected through the first reinforcing transition structure, and the second supporting surface and the third supporting surface are connected through the second reinforcing transition structure.

10. The novel scissor jack of claim 7, wherein the third support surface is connected on both sides to the first and second connection portions by first and second side transition structures, respectively; the mounting groove is arranged between the first connecting portion and the second connecting portion, an opening is formed in the bottom of the supporting portion, and the mounting groove penetrates through two ends of the supporting portion.