CN103738253A

CN103738253A - Screw rod lifting device of backup frame of vehicle

Info

Publication number: CN103738253A
Application number: CN201310673284.6A
Authority: CN
Inventors: 富振伟; 唐小林; 戴才生
Original assignee: JIASHAN TEWOMU MACHINERY MANUFACTURING Co Ltd
Current assignee: JIASHAN TEWOMU MACHINERY MANUFACTURING Co Ltd
Priority date: 2013-12-12
Filing date: 2013-12-12
Publication date: 2014-04-23

Abstract

The invention provides a screw rod lifting device of a backup frame of a vehicle. The screw rod lifting device is simple in structure and convenient to use, and comprises an L-shaped machine frame formed by a vertical pipe and a horizontal rod connected with the vertical pipe. The horizontal rod is used for being inserted in a frame at the tail portion of the vehicle, a screw rod is arranged in the vertical pipe in a rotating mode, one end of the screw rod is connected with a handle on the side face of the machine frame through a pair of bevel gears, a nut is screwed on the screw rod, the nut is connected with a lifting frame through a connection frame, and the lifting frame moves up and down along with the nut through rotation of the handle. Through rotation of the handle, the screw rod is driven by bevel gear transmission to rotate to drive the nut and the lifting frame fixed on the nut to ascend so as to drive a goods shelf or other loaded goods fixed on the lifting frame to ascend. The screw rod lifting device lowers the loading and unloading heights of the goods, and the goods are convenient to transport.

Description

The screw rod lifting device of automobile-used standby frame

Technical field

The present invention relates to the auxiliary device that automobile is used, particularly a kind of screw rod lifting device of automobile-used standby frame.

Background technology

Along with the needs of the raising self-driving travel of people's living standard, much tourism supplies inconvenience maybe cannot be placed in compartment, manage to utilize shelf or chest that a standby is installed on the vehicle frame of automobile tail for this reason, put with automobile-used product, but common this shelf is liftoff higher, need to manually mention just and can put into, for some heavier article, just lift and unload very trouble.

Summary of the invention

The object of this invention is to provide one simple in structure, the screw rod lifting device of automobile-used standby frame easy to use.

In order to reach above-mentioned requirements, the screw rod lifting device of automobile-used standby frame is achieved through the following technical solutions: it is characterized in that it comprises that upright vertical tube and connected cross bar form L-shaped frame, cross bar is for being plugged on the vehicle frame of automobile tail, rotating screw mandrel is installed in vertical tube, one end of screw mandrel is connected with shaking the hand of frame side by bevel-gear sett, on screw mandrel, be combined with nut, nut is connected with raising legs by link span, and raising legs moves up and down with nut with the rotation of shaking the hand.

Described link span is stretched out vertical tube and is connected with raising legs by the shaft orientation opening groove on vertical tube.

Described link span is by bearing pin or bolted with being connected of raising legs, and on raising legs, is shaped with multiple adjustment holes that are arranged above and below, and the position that is arranged on different adjustment hole by bearing pin or bolt regulates the relative position height of link span and raising legs.

The upper end of described vertical tube is provided with auricle, is shaped with knock hole on auricle, on the raising legs when raising legs hoisting position, is shaped with the pin-and-hole corresponding with knock hole, in dowel hole and pin hole, safety plug can be installed.

On link span in vertical tube, by wheel shaft, roller is installed, to guarantee that link span moves flexibly up and down in vertical tube.

Described raising legs comprises that upright perpendicular connection pipe and connected horizontal connection pipe composition are reverse L shaped.

On described cross bar and horizontal connection pipe, be all shaped with connection pin-and-hole.

The screw rod lifting device of the automobile-used standby frame of manufacturing according to such scheme, can be connected with the vehicle frame of automobile tail by frame, the stand of motor bike or the shelf of arrangement of goods etc. are installed on raising legs, after placement completes, shake is shaken the hand, the rotation that utilization is shaken the hand, through bevel drive, screw mandrel is rotated and drive nut and be fixed on raising legs on nut to rise, and drive the shelf or other Loaded goodss that are fixed on raising legs to promote, after promoting, automobile is with regard to wheeled.This device has reduced the access height of goods, has facilitated carrying.

Accompanying drawing explanation

Fig. 1 is the screw rod lifting device of the automobile-used standby frame front view when raising legs raised position;

Fig. 2 is the birds-eye view of Fig. 1;

Fig. 3 is the left view of Fig. 1;

The block diagram of the screw rod lifting device of the automobile-used standby frame of Fig. 4 when raising legs raised position;

Fig. 5 is the partial enlarged drawing of a-quadrant in Fig. 1;

Fig. 6 is the partial enlarged drawing in B region in Fig. 3;

Fig. 7 is the partial enlarged drawing in C region in Fig. 1;

Fig. 8 is the front view of frame;

Fig. 9 is the left view of Fig. 8;

Figure 10 is the birds-eye view of Fig. 8;

Figure 11 is the block diagram of bracket;

Figure 12 is the front view of link span;

Figure 13 is the left view of Figure 11;

Figure 14 is the birds-eye view of Figure 11;

Figure 15 is the screw rod lifting device of the automobile-used standby frame front view when raising legs lowering position.

In figure: 1, vertical tube; 2, cross bar; 3, frame; 4, connect pin-and-hole; 5, screw mandrel; 6, surface bearing; 7, finishing bevel gear cuter; 8, shake the hand; 9, bracket; 10, bevel gear housing; 11, nut; 12, link span; 13, open slot; 14, bolt; 15, raising legs; 16, perpendicular connection pipe; 17, horizontal connection pipe; 18, connect pin-and-hole; 19, adjustment hole; 20, auricle; 21, knock hole; 22, pin-and-hole; 23, safety plug; 24, wheel shaft; 25, roller.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, the invention will be further described.

Fig. 1 to Fig. 7 is the structural representation of the screw rod lifting device of automobile-used standby frame, as seen from the figure, it comprises that upright vertical tube 1 and connected cross bar 2 form L-shaped frame 3 as shown in Fig. 8, Fig. 9, Figure 10, cross bar 2, for being plugged on the vehicle frame of automobile tail, being also shaped with on cross bar 2 and connecting pin-and-hole 4.Rotating screw mandrel 5 is installed in vertical tube 1, the upper end of screw mandrel 5 is provided with surface bearing 6 and locates, the lower end of screw mandrel 58 is connected by shaking the hand of bevel-gear sett 7 and frame 3 sides, shake the hand 8 by bracket 9 as shown in figure 11 with the bevel gear housing 10 of finishing bevel gear cuter 7 be installed be connected, play support and shake the hand 8.On screw mandrel 5, be combined with nut 11, nut 11 is stuck in link span 12, and the structure of link span 12 is as shown in Figure 12, Figure 13, Figure 14, and link span 12 stretches out vertical tube 1 by the shaft orientation opening groove 13 on vertical tube 1, and is connected with raising legs 15 by bolt 14.Described raising legs 15 comprises that upright perpendicular connection pipe 16 and connected horizontal connection pipe 17 compositions are reverse L shaped, are shaped with and connect pin-and-hole 18 on horizontal connection pipe 17.And on the perpendicular connection pipe 16 of raising legs 15, be shaped with multiple adjustment holes that are arranged above and below 19, by bolt 14, be arranged on different adjustment holes 19 positions and regulate the relative position height of link span 12 and raising legs 15.In the upper end of vertical tube 1, be provided with auricle 20, on auricle 20, be shaped with knock hole 21, when raising legs 15 hoisting position, on the raising legs 15 corresponding with knock hole 21, be shaped with pin-and-hole 22, in knock hole 21 and pin-and-hole 22, safety plug 23 is installed, make raising legs 15 when rising, being born by safety plug 23 of weight on raising legs 15, to alleviate the load of screw mandrel 5 and nut 11.In when work, by shaking the hand 8 rotation, the transmission of finishing bevel gear cuter 7, the rotation of screw mandrel 5, raising legs 15 moves up and down as shown in figure 15 with nut 11.In order to guarantee nut 11 to move up and down flexibly in vertical tube 1, be not stuck, on the link span 12 in vertical tube 1, by 4 rollers 25 are installed on the wheel shaft 24 of two of front and back, roller 25 wheel rims contacted with the inwall of vertical tube 1.

Claims

1. the screw rod lifting device of automobile-used standby frame, it is characterized in that it comprises that upright vertical tube and connected cross bar form L-shaped frame, cross bar is for being plugged on the vehicle frame of automobile tail, rotating screw mandrel is installed in vertical tube, one end of screw mandrel is connected with shaking the hand of frame side by bevel-gear sett, on screw mandrel, be combined with nut, nut is connected with raising legs by link span, and raising legs moves up and down with nut with the rotation of shaking the hand.

2. the screw rod lifting device of automobile-used standby frame according to claim 1, is characterized in that described link span is stretched out vertical tube and is connected with raising legs by the shaft orientation opening groove on vertical tube.

3. the screw rod lifting device of automobile-used standby frame according to claim 1 and 2, it is characterized in that described link span and being connected of raising legs are by bearing pin or bolted, and on raising legs, be shaped with multiple adjustment holes that are arranged above and below, the position that is arranged on different adjustment hole by bearing pin or bolt regulates the relative position height of link span and raising legs.

4. the screw rod lifting device of automobile-used standby frame according to claim 1, the upper end that it is characterized in that described vertical tube is provided with auricle, on auricle, be shaped with knock hole, on the raising legs when raising legs hoisting position, be shaped with the pin-and-hole corresponding with knock hole, in dowel hole and pin hole, safety plug can be installed.

5. the screw rod lifting device of automobile-used standby frame according to claim 1, is characterized in that by wheel shaft, roller being installed on the link span in vertical tube, to guarantee that link span moves flexibly up and down in vertical tube.

6. the screw rod lifting device of automobile-used standby frame according to claim 1, is characterized in that described raising legs comprises that upright perpendicular connection pipe and connected horizontal connection pipe composition are reverse L shaped.

7. the screw rod lifting device of automobile-used standby frame according to claim 6, is characterized in that being all shaped with connection pin-and-hole on described cross bar and horizontal connection pipe.