CN216836920U

CN216836920U - Scissor jack

Info

Publication number: CN216836920U
Application number: CN202220568711.9U
Authority: CN
Inventors: 李元杰
Original assignee: Jingyong Yuanjie Technology Co ltd
Current assignee: Jingyong Yuanjie Technology Co ltd
Priority date: 2022-03-15
Filing date: 2022-03-15
Publication date: 2022-06-28
Anticipated expiration: 2032-03-15

Abstract

The application provides a scissor jack, including base, strutting arrangement and lift the device, last being equipped with of strutting arrangement is used for driving its regulation to lift the lead screw of device and base relative position, the bolt head is installed to lead screw one end, week side of bolt head is equipped with polygon projection, the inside sunken polygon blind hole has been seted up to the tip, sets up the bolt head of polygon projection, the inside sunken polygon blind hole has been seted up to the tip through the one end installation at the lead screw, when the operation in the middle of the vehicle bottom must be arranged in to the jack, owing to receive the environmental space influence, the unable work of rotatory rocking handle, then can adopt outer angle or interior angle instrument as the instrument that rises, solved when the space has the problem that can't carry out the operation when the limit, convenient and fast, but batch production.

Description

Scissor jack

Technical Field

The application relates to the technical field of hoisting equipment, in particular to a scissor jack.

Background

The existing scissor jack has the defects that the ground is uneven and the stress is uneven to incline when the bottom of the existing scissor jack needs to operate in the rising process when the bottom of the existing scissor jack rises, so that the existing scissor jack has a safety fault, and the structural strength and the vibration resistance cannot meet the requirements of users.

When the rotary handle rotates, the starting arm rises under the action of the positive and negative teeth, and when the starting arm rises to a certain height, the rotary rocking handle is too long due to the weight of a vehicle, so that resistance is generated, and the lifting jack is difficult to push upwards; and when the jack must be arranged in the middle of the car bottom for operation, the rotary rocking handle cannot work due to the influence of environmental space, so that the requirement of a user is difficult to meet.

Therefore, a scissor jack which can stably run and ascend and can be arranged in the middle of the bottom of the vehicle for operation without rotating a rocking handle is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the application provides a scissor jack.

The following technical scheme is adopted in the application: a scissor jack comprises a base, a supporting device and a lifting device, wherein the upper end and the lower end of the supporting device are respectively hinged with the lifting device and the base;

the supporting device is provided with a screw rod used for driving the supporting device to adjust the relative position of the lifting device and the base, one end of the screw rod is provided with a bolt head, polygonal convex columns are arranged on the peripheral sides of the bolt head, and inwards-concave polygonal blind holes are formed in the end portions of the bolt head.

In the scissor jack, the polygonal convex column is any one of a rectangle and a hexagon.

According to the scissor jack, the polygonal blind hole is any one of a triangle, a rectangle or a hexagon.

According to the scissor jack, the supporting device comprises a left supporting group and a right supporting group which are oppositely arranged, the upper ends of the left supporting group and the right supporting group are respectively hinged with the lifting device, the lower ends of the left supporting group and the right supporting group are respectively hinged with the base, and the screw rod penetrates through the right supporting group and then is in threaded connection with the left supporting group.

The scissor jack comprises a left upper arm, a left lower arm and a left hinge shaft, wherein the left upper arm and the left lower arm are connected through the left hinge shaft;

the right support group comprises a right upper arm, a right lower arm and a right hinge shaft, and the right upper arm and the right lower arm are connected through the right hinge shaft.

According to the scissor jack, the screw rod penetrates through the left hinge shaft and is in threaded connection with the right hinge shaft.

According to the scissor jack, the left lower arm and the right lower arm are provided with a plurality of safety pin holes;

the base both ends articulate respectively has the stiffener, the stiffener tip is equipped with the adaptation and inserts a plurality ofly the insurance bolt of insurance pinhole.

According to the scissor jack, the left support group and the right support group are both stuck with the reflective films.

According to the scissor jack, the lifting device comprises a reinforcing frame and a saddle, the reinforcing frame is hinged with the upper end of the supporting device, and the saddle is connected to the reinforcing frame through a positioning screw in a threaded mode.

According to the scissor jack, the rubber anti-skid layer is arranged on the saddle.

Compared with the prior art, the beneficial effects of this application are as follows:

1. the application provides a scissor jack, including base, strutting arrangement and lift the device, last being equipped with of strutting arrangement is used for driving its regulation to lift the lead screw of device and base relative position, the bolt head is installed to lead screw one end, week side of bolt head is equipped with polygon projection, the inside sunken polygon blind hole has been seted up to the tip, sets up the bolt head of polygon projection, the inside sunken polygon blind hole has been seted up to the tip through the one end installation at the lead screw, when the operation in the middle of the vehicle bottom must be arranged in to the jack, owing to receive the environmental space influence, the unable work of rotatory rocking handle, then can adopt outer angle or interior angle instrument as the instrument that rises, solved when the space has the problem that can't carry out the operation when the limit, convenient and fast, but batch production.

2. The base both ends are provided with the stiffener in this application, through at the articulated stiffener of base, can show the structural strength who promotes the jack and vibration resistance, prevent that it from rocking when dismantling the operation, lead to the slope.

3. Be provided with the rubber skid resistant course on lifting the saddle of device in this application, through setting up the rubber skid resistant course, the friction of multiplicable saddle and vehicle contact surface, the operation is safer.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below.

FIG. 1 is a perspective view of a scissor jack according to the present application.

Fig. 2 is an exploded view of the lifting device of a scissor jack of the present application.

Detailed Description

As shown in fig. 1-2, a scissor jack comprises a base 1, a support device 2, a screw rod 3 and a lifting device 4.

The application provides a scissor jack, which comprises a base 1, a supporting device 2 and a lifting device 4, wherein the upper end and the lower end of the supporting device 2 are respectively hinged with the lifting device 4 and the base 1;

be equipped with on strutting arrangement 2 and be used for driving its regulation lift device 4 with the lead screw 3 of 1 relative position of base, bolt head 31 is installed to 3 one end of lead screw, the week side of bolt head 31 is equipped with polygon projection 311, the inside sunken polygon blind hole 312 has been seted up to the tip, sets up the bolt head of polygon projection, the inside sunken polygon blind hole has been seted up to the tip through the one end installation at the lead screw, when the operation in the middle of the vehicle bottom must be arranged in to the jack, owing to receive the environmental space influence, the unable work of rotatory rocking handle then can adopt outer angle or interior angle instrument as the instrument that rises, has solved the problem that can't carry out the operation when the space has the limit, convenient and fast, but batch production.

Preferably, the polygonal protruding column 311 is any one of a rectangle or a hexagon, and a user can conveniently select a corresponding inner angle tool for operation by setting the polygonal protruding column to be a common rectangle or a common hexagon.

Preferably, the polygonal blind hole 312 is any one of a triangle, a rectangle or a hexagon, and a user can conveniently select a corresponding external corner tool for operation by setting the polygonal blind hole to be a common triangle, rectangle or hexagon.

Preferably, the supporting device 2 comprises a left supporting group 22 and a right supporting group 23 which are oppositely arranged, the upper ends of the left supporting group 22 and the right supporting group 23 are respectively hinged with the lifting device 4, the lower ends of the left supporting group 22 and the right supporting group 23 are respectively hinged with the base 1, and the screw rod 3 penetrates through the right supporting group 23 and then is in threaded connection with the left supporting group 22.

Preferably, the left support group 22 comprises a left upper arm 221, a left lower arm 222 and a left hinge shaft 223, the left upper arm 221 and the left lower arm 222 are connected through the left hinge shaft 223;

the right support group 23 includes a right upper arm 231, a right lower arm 232, and a right hinge shaft 233, and the right upper arm 231 and the right lower arm 232 are connected by the right hinge shaft 233.

Preferably, the lead screw 3 passes through the left hinge shaft 223 and is in threaded connection with the right hinge shaft 233.

Preferably, the left lower arm 222 and the right lower arm 232 are provided with a plurality of safety pin holes 21;

the base 1 both ends articulate respectively has stiffener 10, stiffener 10 tip is equipped with the adaptation and inserts a plurality ofly the safety bolt 101 of insurance pinhole 21, through articulating the stiffener at the base, can show the structural strength who promotes the jack and the vibration resistance thereof, prevents that it from rocking when dismantling the operation, leads to the slope.

Preferably, the left support group 22 and the right support group 23 are both adhered with reflective films 24, and the reflective films are adhered to the support arms, so that the user is not easy to be injured due to the obstructed vision when the user operates at the bottom of the vehicle.

Preferably, the lifting device 4 comprises a reinforcing frame 41 and a saddle 42, the reinforcing frame 41 is hinged with the upper end of the supporting device 2, and the saddle 42 is connected to the reinforcing frame 41 through a positioning screw 43 in a threaded manner.

Preferably, the saddle 42 is provided with a rubber anti-slip layer 421, so that the friction between the saddle and the vehicle contact surface can be increased by the rubber anti-slip layer, and the operation is safer.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A scissor jack, comprising: the device comprises a base (1), a supporting device (2) and a lifting device (4), wherein the upper end and the lower end of the supporting device (2) are respectively hinged with the lifting device (4) and the base (1);

the supporting device (2) is provided with a screw rod (3) used for driving the lifting device (4) and the base (1) to be in relative position, one end of the screw rod (3) is provided with a bolt head (31), the peripheral side of the bolt head (31) is provided with a polygonal convex column (311), and the end part of the bolt head is provided with an inwards-concave polygonal blind hole (312).

2. The scissor jack of claim 1, wherein: the polygonal convex column (311) is any one of a rectangle or a hexagon.

3. The scissor jack of claim 1, wherein: the polygonal blind hole (312) is any one of a triangle, a rectangle or a hexagon.

4. The scissor jack of claim 1, wherein: strutting arrangement (2) including relative left branch strut group (22) and the right branch strut group (23) that sets up, left branch strut group (22) with right branch strut group (23) upper end respectively with lifting device (4) are articulated, the lower extreme respectively with base (1) is articulated, lead screw (3) pass right branch strut group (23) back with left branch strut group (22) threaded connection.

5. The scissor jack of claim 4, wherein: the left support group (22) comprises a left upper arm (221), a left lower arm (222) and a left hinge shaft (223), and the left upper arm (221) and the left lower arm (222) are connected through the left hinge shaft (223);

the right support group (23) comprises a right upper arm (231), a right lower arm (232) and a right hinge shaft (233), wherein the right upper arm (231) and the right lower arm (232) are connected through the right hinge shaft (233).

6. The scissor jack of claim 5, wherein: the screw rod (3) penetrates through the left hinged shaft (223) and is in threaded connection with the right hinged shaft (233).

7. The scissor jack of claim 5, wherein: a plurality of safety pin holes (21) are formed in the left lower arm (222) and the right lower arm (232);

the base (1) both ends articulate respectively has stiffener (10), stiffener (10) tip is equipped with but the adaptation inserts a plurality of insurance bolt (101) of insurance pinhole (21).

8. The scissor jack of claim 4, wherein: and reflective films (24) are stuck on the left support group (22) and the right support group (23).

9. The scissor jack of claim 1, wherein: the lifting device (4) comprises a reinforcing frame (41) and a saddle (42), the reinforcing frame (41) is hinged to the upper end of the supporting device (2), and the saddle (42) is connected to the reinforcing frame (41) through a positioning screw rod (43) in a threaded mode.

10. The scissor jack of claim 9, wherein: and a rubber anti-skid layer (421) is arranged on the saddle (42).