CN217264509U

CN217264509U - Scissor jack

Info

Publication number: CN217264509U
Application number: CN202220225336.8U
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 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, 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 the supporting part, first support piece and second support piece's second end is articulated with third support piece and fourth support piece respectively, first support piece's second end includes interconnect's first bulk face and first perk face, second support piece includes interconnect's second bulk face and second perk face, first contained angle has between first bulk face and the first perk face, second bulk face and second perk have the second contained angle between the face. The utility model provides a scissor jack can realize the effect of a carrying on, guarantees scissor jack and can have a better result of use.

Description

Scissor jack

Technical Field

The utility model relates to a jack technical field, in particular to scissor 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 lifting part of the scissor jack cannot achieve a good using effect.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need for a scissor jack with improved use.

The utility model provides a 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 part, 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 second end of the first supporting piece comprises a first main body surface and a first tilting surface which are connected with each other, the first main body surface is positioned near one side of the supporting part, the second supporting piece comprises a second main body surface and a second tilting surface which are connected with each other, the second main body surface is located on one side close to the supporting portion, a first included angle is formed between the first main body surface and the first tilting surface, a second included angle is formed between the second main body surface and the second tilting surface, and the first included angle and the second included angle are 150-175 degrees.

Preferably, the third support piece with first support piece articulated one end includes interconnect's third main part face and third perk face, third main part face is located and is close to base one side, the fourth support piece with second support piece articulated one end includes interconnect's fourth main part face and fourth perk face, fourth main part face is located and is close to base one side, third contained angle has between third main part face and the third perk face, fourth contained angle has between fourth main part face and the fourth perk face, third contained angle and fourth contained angle are 160 ° -179, just first contained angle and second contained angle are less than third contained angle and fourth contained angle.

Preferably, the first included angle and the second included angle are both 160 degrees to 175 degrees, and the third included angle and the fourth included angle are both 170 degrees to 179 degrees.

Preferably, the first support member, the second support member, the third support member and the fourth support member are all provided with reinforcing ribs extending along the length direction of the first support member, and the first main body surface and the second main body surface are all provided with round holes.

Preferably, the supporting portion includes a first supporting structure and a second supporting structure which are connected to each other, the second supporting structure includes a first connecting portion and a second connecting portion which are connected to each other, the first connecting portion is connected to the first supporting structure and is recessed downward relative to the first supporting structure, the second connecting portion protrudes upward relative to the first connecting portion, the second connecting portion forms a supporting groove with the first supporting structure, a first receiving surface and a second receiving surface which are connected to each other are arranged at the top of the first supporting structure, the first receiving surface is close to the first connecting portion, and the first receiving surface is inclined downward toward the first connecting portion relative to the second receiving surface.

Preferably, the second support structure comprises a left support structure and a right support structure, each of the left support structure and the right support structure comprises the first connecting portion and the second connecting portion, and a top opening is formed between the top of the left support structure and the top of the right support structure.

Preferably, the height of the upward projection of the first connecting part is higher than or equal to the height of the lowest position of the first bearing surface; or the first connecting part protrudes upwards to form a top part which is positioned between the lowest part and the highest part of the first bearing surface.

Preferably, the support groove has a width greater than that of the first connection portion.

Preferably, the first bearing surface and the second bearing surface have an included angle of 105-150 degrees.

Preferably, both sides of the second bearing surface are provided with reinforcing structures, and the reinforcing structures are recessed downwards relative to the second bearing surface.

The utility model provides a scissor jack has first contained angle between first main part face and first perk face, has the second contained angle between second main part face and the second perk face, realizes the both ends perk of first support piece and second support piece, can realize a loaded effect, guarantees scissor jack and can have a better result of use.

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 the schematic view of the partial structure of the scissor jack

FIG. 3 is a first angle lower structure view of the supporting portion according to the present invention;

FIG. 4 is a second lower structure view of the supporting portion according to the present invention;

in the drawings: the first support structure 21, the second support structure 22, the first connection portion 23, the second connection portion 24, the first receiving surface 25, the second receiving surface 26, the reinforcing structure 261, the reinforcing rib 262, the first insertion opening 271, the second insertion opening 272, the first extension portion 281, the second extension portion 282, the base 3, the scissor lift portion 1, the adjusting screw 4, the first support member 11, the second support member 12, the third support member 13, the fourth support member 14, the first body surface 111, the first tilted surface 112, the first included angle 113, the second body surface 121, the second tilted surface 122, the second included angle 123, the first hinge rod 51, the second hinge rod 52, the third body surface 131, and the third tilted surface 132.

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 and be integral therewith, 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 to 4, a scissor jack includes a base 3, a scissor lift 1 and supports, the scissor lift 1 includes four supports and an adjusting screw 4, the four supports are a first support 11, a second support 12, a third support 13 and a fourth support 14, 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, 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, the adjusting screw 4 penetrates through the first hinge rod and the second hinge rod, and the first hinge rod or the second hinge rod is in threaded connection with the adjusting screw 4.

In this embodiment, the first supporting member 11, the second supporting member 12, the third supporting member 13 and the fourth supporting member 14 form a movable parallelogram structure, the adjusting screw rod 4 transversely penetrates through the parallelogram structure, the first ends of the first supporting member 11 and the second supporting member 12 are hinged to the supporting members, the second ends of the first supporting member 11 and the second supporting member 12 are hinged to the third supporting member 13 and the fourth supporting member 14, respectively, the second end of the first supporting member 11 includes a first main body surface 111 and a first tilted surface 112 that are connected to each other, the first main body surface 111 is located at a side close to the supporting portion, the second supporting member 12 includes a second main body surface 121 and a second tilted surface 122 that are connected to each other, the second main body surface 121 is located at a side close to the supporting portion, a first included angle is formed between the first main body surface 111 and the first tilted surface 112, a second included angle is formed between the second main body surface 121 and the second tilted surface 122, the first included angle and the second included angle are both 150 degrees to 175 degrees. The scissor jack can have a carrying effect when in use, and the scissor jack can be guaranteed to have a good using effect.

Referring to fig. 1-2, in a preferred embodiment, the end of the third support member hinged to the first support member includes a third main body surface 131 and a third tilted surface 132 connected to each other, the third main body surface 131 is located at a side close to the base, the end of the fourth support member hinged to the second support member includes a fourth main body surface and a fourth tilted surface connected to each other, the fourth main body surface is located at a side close to the base, a third included angle is formed between the third main body surface 131 and the third tilted surface 132, a fourth included angle is formed between the fourth main body surface and the fourth tilted surface, the third included angle and the fourth included angle are both 160 ° -179 °, and the first included angle and the second included angle are smaller than the third included angle and the fourth included angle.

Referring to FIGS. 1-2, in a preferred embodiment, the first included angle and the second included angle are each 160-175. Not only ensures the carrying function, but also is easy to form. In a further preferred embodiment both the first angle and the second angle are 167 deg..

Referring to FIGS. 1-2, in a preferred embodiment, the third angle and the fourth angle are each 170-179. In a further preferred embodiment the third angle and the fourth angle are both 173.75 deg..

Referring to fig. 1-2, in a preferred embodiment, circular holes are provided on both the first and second body faces. The first raised surface 112 and the second raised surface 122 are formed easily

Referring to fig. 1-2, in the preferred embodiment, the first support member 11, the second support member 12, the third support member 13, and the fourth support member 14 are each provided with a reinforcing rib 262 extending along the length thereof.

Referring to fig. 3-4, in a preferred embodiment, the support portion comprises a first support structure 21 and a second support structure 22 connected to each other, the first support structure 21 and the second support structure 22 of the present invention are preferably integrally formed. The second supporting structure 22 comprises a first connecting portion 23 and a second connecting portion 24 which are connected with each other, the first connecting portion 23 is connected with the first supporting structure 21 and is recessed downwards relative to the first supporting structure 21, the second connecting portion 24 protrudes upwards relative to the first connecting portion 23, the second connecting portion 24 and the first supporting structure 21 form a supporting groove, the supporting groove and the first connecting portion 23 protruding upwards can hook the supporting position of the bicycle, the slipping cannot occur, and the stress is good. The first support structure 21 is provided with a first receiving surface 25 and a second receiving surface 26 at the top, the first receiving surface 25 is close to the first connecting portion 23, and the first receiving surface 25 is inclined downward toward the first connecting portion 23 relative to the second receiving surface 26. The utility model discloses in accept face 26 through the second and realize a great supporting role, accept the big inclined plane that the face slope set up through first face, realize that this support piece easily machine-shaping when preparing, reduce support piece's the preparation degree of difficulty, further reduce the cost of product.

Referring to fig. 3-4, in a preferred embodiment, the second support structure 22 includes left and right support structures each including a first connection 23 and a second connection 24 with a top opening between the top of the left and right support structures. In this embodiment, through left bearing structure and the open design of right bearing structure, realize easily machine-shaping. And the left supporting structure and the right supporting structure are arranged to be easily and fixedly installed with the shear type lifting part 1.

Referring to fig. 3-4, in a preferred embodiment, the first connecting portion 23 protrudes upwardly to a height greater than or equal to the height of the lowest portion of the first receiving surface 25. In another preferred embodiment, the first connecting portion 23 has a top portion protruding upward and located between the lowest position and the highest position of the first surface receiving surface. On one hand, the upward protruding height of the first connecting part 23 is higher than or equal to the lowest height of the first bearing surface 25, and the supporting part can better hook the supporting part of the vehicle when in use and is not easy to slip. On the other hand, the height of the upward projection of the first connecting part 23 is lower than the highest position of the first bearing surface 25, so that the first connecting part 23 is prevented from influencing the support of the second bearing surface 26.

Referring to fig. 3-4, in a preferred embodiment, the width of the support slot is greater than the width of the first connection portion 23. Realize a better supporting function and avoid skidding.

Referring to fig. 3-4, in a preferred embodiment, the second receiving surface 26 is provided with a reinforcing structure 261 on both sides, the reinforcing structure 261 being recessed downwardly relative to the second receiving surface 26. In order to achieve better processing in this embodiment, the first receiving surface 25 is designed to be a large inclined surface, so that the receiving area of the second receiving surface is reduced, and in order to further ensure the structural strength of the second receiving surface 26, the reinforcing structures 261 are arranged on both sides of the second receiving surface 26, so as to ensure that the second receiving surface 26 has a stronger supporting effect.

Referring to fig. 3-4, in a preferred embodiment, the end of the second support structure 22 not connected to the first support structure 21 is provided with a first insertion opening 271, the end of the first support structure 21 not connected to the second support structure 22 is provided with a second insertion opening 272, the first insertion opening 271 extends through the support and is connected to the second insertion opening 272, the downwardly extending portions of one side of the first support structure 21 and the second support structure 22 are connected to each other to form a first extension 281, and the downwardly extending portions of the other side of the first support structure 21 and the second support structure 22 are connected to each other to form a second extension 282.

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 more specific and detailed, but not so as to limit the scope of the patent 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. A scissor jack is characterized by comprising a base, a scissor lifting portion and a supporting portion, wherein the scissor lifting portion 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 parallelogram structure, the first ends of the first supporting piece and the second supporting piece are hinged to the supporting portion, the second ends of the first supporting piece and the second supporting piece are respectively hinged to the third supporting piece and the fourth supporting piece, the second end of the first supporting piece comprises a first main body surface and a first tilting surface which are connected with each other, the first main body surface is located close to one side of the supporting portion, the second supporting piece comprises a second main body surface and a second tilting surface which are connected with each other, the second main body surface is located on one side close to the supporting portion, a first included angle is formed between the first main body surface and the first tilting surface, a second included angle is formed between the second main body surface and the second tilting surface, and the first included angle and the second included angle are both 150-175 degrees.

2. The scissor jack of claim 1, wherein an end of the third support member that is hinged to the first support member includes a third body surface and a third raised surface that are connected to each other, the third body surface is located on a side close to the base, an end of the fourth support member that is hinged to the second support member includes a fourth body surface and a fourth raised surface that are connected to each other, the fourth body surface is located on a side close to the base, a third included angle is formed between the third body surface and the third raised surface, a fourth included angle is formed between the fourth body surface and the fourth raised surface, the third included angle and the fourth included angle are 160 ° -179 °, and the first included angle and the second included angle are smaller than the third included angle and the fourth included angle.

3. The scissor jack of claim 2, wherein the first and second angles are each 160 ° -175 °, and the third and fourth angles are each 170 ° -179 °.

4. The scissor jack of claim 1, wherein the first support member, the second support member, the third support member, and the fourth support member each have a rib extending along a length thereof, and wherein the first body surface and the second body surface each have a circular aperture.

5. The scissor jack of claim 1, wherein the support portion includes a first support structure and a second support structure coupled to each other, the second support structure including a first coupling portion and a second coupling portion coupled to the first support structure and recessed downwardly relative to the first support structure, the second coupling portion projecting upwardly relative to the first coupling portion, the second coupling portion forming a support channel with the first support structure, the first support structure being topped with first and second coupling surfaces coupled to each other, the first coupling surface being adjacent the first coupling portion, the first surface coupling surface being downwardly inclined relative to the second coupling surface toward the first coupling portion.

6. The scissor jack of claim 5, wherein the second support structure comprises a left support structure and a right support structure, the left and right support structures each comprising the first and second connection portions, the left and right support structure top portions having a top opening therebetween.

7. The scissor jack of claim 5, wherein the first connecting portion projects upwardly to a height greater than or equal to a height of a lowermost extent of the first receiving surface; or the first connecting part protrudes upwards to form a top part which is positioned between the lowest part and the highest part of the first bearing surface.

8. The scissor jack of claim 5, wherein the support slot has a width greater than a width of the first connection portion.

9. The scissor jack of claim 5, wherein the first receiving surface and the second receiving surface have an included angle of between 105 ° and 150 °.

10. The scissor jack of claim 5, wherein the second receiving surface is flanked by reinforcing structures that are recessed downwardly relative to the second receiving surface.