CN214165152U

CN214165152U - Compact spare tire lifter assembly

Info

Publication number: CN214165152U
Application number: CN202022975251.5U
Authority: CN
Inventors: 梁仁超; 庞柏林; 何霖波
Original assignee: Chengdu Jiecheng Ruizhong Auto Parts Co ltd
Current assignee: Chengdu Jiecheng Ruizhong Auto Parts Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-09-10
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses a compact spare tyre riser assembly, including mount, rotary drum, casing and fixture, the inside of casing is provided with the rotary drum through the roller bearing, and the one end at casing top is fixed with first motor, the output of first motor is provided with the pivot, and is provided with the fourth gear in the pivot, the winding has the chain on the rotary drum, and the bottom of chain is fixed with the mount, the inside of mount is provided with the bull stick, and one side of mount is fixed with the second motor, the bottom of movable sleeve all is fixed with fixture. The utility model discloses an install casing, mounting panel, bolster, roller bearing, rotary drum, chain, mount, first motor, pivot, third gear and fourth gear for first motor drives pivot and fourth gear rotation, makes third gear and roller bearing rotate, and then drives the rotary drum and rotate, and then drives the chain rolling on the rotary drum, makes to be fixed with the spare tyre main part on the mount and goes up and down labour saving and time saving.

Description

Compact spare tire lifter assembly

Technical Field

The utility model relates to a spare tyre riser technical field specifically is a compact spare tyre riser assembly.

Background

The spare tire lifter assembly is a special part on a common truck, and because the spare tire of the truck is higher and heavier from the ground and is difficult to disassemble manually, the spare tire lifter is needed to lift the spare tire to achieve the purpose of replacement, most of the existing spare tire lifters have part defects, particularly the following defects;

1. most of the existing spare tire lifter assemblies are hand-operated, simple in structure, not compact enough, high in labor intensity, long in lifting time, easy to generate vibration during lifting and poor in stability;

2. the fixing frame of the conventional spare tire lifter assembly needs to use a fixing bolt when being fixedly connected with a spare tire main body, so that the operation is complex, and time and labor are wasted;

3. the existing spare tire lifter assembly is not beneficial to adjusting the gravity center position when lifting a spare tire main body, and is not stable enough when lifting.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compact spare tyre riser assembly to solve the structure that proposes in the above-mentioned background art compact enough, stability relatively poor, be unfavorable for fixed spare tyre main part and the not steady problem when going up and down.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a compact spare tyre riser assembly, includes mount, rotary drum, casing and fixture, the inside of casing is provided with the rotary drum through the roller bearing, and the one end at casing top is fixed with first motor, the output of first motor is provided with the pivot, and is provided with the fourth gear in the pivot, the winding has the chain on the rotary drum, and the bottom of chain is fixed with the mount, the inside of mount is provided with the bull stick, and one side of mount is fixed with the second motor, the output and the bull stick of second motor are connected, and the both ends of bull stick all overlap and are equipped with the movable sleeve, the bottom of movable sleeve all is fixed with fixture.

Preferably, a guide rod is fixed at the top end inside the fixing frame, and the top of the movable sleeve is in sliding sleeve connection with the guide rod through the guide sleeve.

Preferably, a third gear is arranged on the roller, and the third gear is meshed with the fourth gear.

Preferably, the both sides of casing evenly are provided with the mounting panel through the bolster, and the inside of bolster all is provided with the fixed block through rigid spring, the one end of fixed block all with casing fixed connection.

Preferably, the inside one end of fixture all articulates there is first fixed hook, and the inside other end of solid clamping mechanism all articulates there is the second fixed hook.

Preferably, the top end inside the clamping mechanism is fixed with an electric push rod, the output end of the electric push rod is connected with a first fixed hook through a connecting piece, and a first gear is arranged on the first fixed hook.

Preferably, the rotating rod is provided with 2 opposite thread surfaces, and the movable sleeve is internally provided with threaded holes matched with the thread surfaces.

Preferably, the second fixing hooks are provided with second gears, and the second gears are meshed with the first gears.

Preferably, the both sides of fixed block all are provided with the stopper, the inside both sides of bolster all are provided with stopper assorted spacing groove.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) this compact spare tyre riser assembly is through installing the casing, the mounting panel, the bolster, the roller bearing, the rotary drum, a chain, a fixed frame, first motor, the apparatus further comprises a rotating shaft, third gear and fourth gear, make first motor drive pivot and fourth gear rotate, third gear and fourth gear interlock, make third gear and roller bearing rotate, and then drive the rotary drum and rotate, and then drive the chain rolling on the rotary drum, make to be fixed with the spare tyre main part on the mount and go up and down, time saving and labor saving, and simple structure is compact, moreover, the operation is simple, if produce vibrations when going up and down simultaneously, the shaking force makes the casing both sides produce the extrusion to the fixed block in the bolster, make the fixed block slide and compress the rigidity spring in the bolster, the flexible resilience through the rigidity spring absorbs and disperses the shaking force, stability when improving the lift.

(2) This compact spare tyre riser assembly is through installing fixture, electric putter, first gear, the second gear, first fixed hook and second fixed hook, make electric putter pass through the connecting piece and drive first fixed hook and rotate, and then make the first gear on the first fixed hook rotate, first gear and second gear interlock, make the second gear rotate relatively, and then make first fixed hook and second fixed hook inwards closed, do benefit to and carry out the hooking with the spare tyre main part, need not to use fixing bolt to connect, and convenient for operation.

(3) This compact spare tyre riser assembly is through installing the bull stick, second motor and movable sleeve for the second motor drives the bull stick and rotates, set up two relative flanks on the bull stick, the inside of movable sleeve all is provided with flank assorted screw hole, make to drive the movable sleeve and be close to each other or part, and then adjust bottom fixture's interval, do benefit to and adjust according to the difference of spare tyre main part specification, the focus position when keeping going up and down, make to go up and down more steady.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the fixing frame of the present invention;

FIG. 3 is a schematic view of the cross-sectional structure of the clamping mechanism of the present invention;

fig. 4 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 5 is a schematic sectional view of the buffer of the present invention.

In the figure: 1. a fixed mount; 2. a chain; 3. mounting a plate; 4. a roller; 5. a rotating drum; 6. a housing; 7. a first motor; 8. a buffer member; 9. a clamping mechanism; 10. a rotating rod; 11. a movable sleeve; 12. a second motor; 13. a first gear; 14. a first fixed hook; 15. a second fixed hook; 16. a second gear; 17. an electric push rod; 18. a third gear; 19. a fourth gear; 20. a rotating shaft; 21. a fixed block; 22. a stiff spring.

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. 1-5, the present invention provides an embodiment: a compact spare tire lifter assembly comprises a fixed frame 1, a rotating drum 5, a shell 6 and a clamping mechanism 9, wherein the rotating drum 5 is arranged inside the shell 6 through a rolling shaft 4, a first motor 7 is fixed at one end of the top of the shell 6, a rotating shaft 20 is arranged at the output end of the first motor 7, a fourth gear 19 is arranged on the rotating shaft 20, a chain 2 is wound on the rotating drum 5, a third gear 18 is arranged on the rolling shaft 4, the third gear 18 is meshed with the fourth gear 19, and the fixed frame 1 is fixed at the bottom of the chain 2;

the first motor 7 drives the rotating shaft 20 and the fourth gear 19 to rotate, so that the third gear 18 and the rolling shaft 4 rotate, the rotary drum 5 is further driven to rotate, the chain 2 is further driven to be wound on the rotary drum 5, and the spare tire main body fixed at the bottom of the fixing frame 1 is promoted to lift, so that time and labor are saved;

mounting plates 3 are uniformly arranged on two sides of the shell 6 through buffer parts 8, fixing blocks 21 are arranged in the buffer parts 8 through rigid springs 22, one ends of the fixing blocks 21 are fixedly connected with the shell 6, limiting blocks are arranged on two sides of the fixing blocks 21, and limiting grooves matched with the limiting blocks are arranged on two sides in the buffer parts 8;

if vibration is generated during lifting, the vibration force enables the two sides of the shell 6 to extrude the fixed block 21 in the buffer 8, so that the fixed block 21 slides in the buffer 8 and compresses the rigid spring 22, the vibration force is absorbed and dispersed through the telescopic resilience of the rigid spring 22, and the stability during lifting is improved;

a rotating rod 10 is arranged in the fixed frame 1, a second motor 12 is fixed on one side of the fixed frame 1, the output end of the second motor 12 is connected with the rotating rod 10, two ends of the rotating rod 10 are respectively sleeved with a movable sleeve 11, a guide rod is fixed at the top end in the fixed frame 1, the top of each movable sleeve 11 is in sliding sleeve joint with the corresponding guide rod through the corresponding guide sleeve, and the movable sleeve 11 is limited;

the bottom of the movable sleeve 11 is fixed with a clamping mechanism 9, one end inside the clamping mechanism 9 is hinged with a first fixed hook 14, the other end inside the clamping mechanism 9 is hinged with a second fixed hook 15, the top end inside the clamping mechanism 9 is fixed with an electric push rod 17, the output end of the electric push rod 17 is connected with the first fixed hook 14 through a connecting piece, the first fixed hook 14 is provided with a first gear 13, the second fixed hook 15 is provided with a second gear 16, and the second gear 16 is meshed with the first gear 13;

the electric push rod 17 drives the first fixed hook 14 to rotate through the connecting piece, so that the first gear 13 rotates, the first gear 13 is meshed with the second gear 16, the second gear 16 rotates relatively, the first fixed hook 14 and the second fixed hook 15 are closed inwards, hooking connection with the spare tire main body is facilitated, a fixed bolt is not needed for connection, and operation is convenient;

2 opposite thread surfaces are arranged on the rotating rod 10, and threaded holes matched with the thread surfaces are formed in the movable sleeve 11;

the second motor 12 drives the rotating rod 10 to rotate, so that the movable sleeves 11 are driven to mutually approach or separate, the distance between the bottom clamping mechanisms 9 is further adjusted, adjustment according to different specifications of the spare tire main body is facilitated, the gravity center position during lifting is kept, and the lifting is more stable;

the specific model specifications of the first motor 7, the second motor 12 and the electric push rod 17 need to be calculated and determined according to the model selection of the specification parameters of the device, and the model selection calculation method is the prior art, so detailed description is omitted.

The working principle is as follows: when the device is used, the shell 6 is fixed through the mounting plate 3, then the electric push rod 17 drives the first fixed hook 14 to rotate through the connecting piece, so that the first gear 13 rotates, the first gear 13 is meshed with the second gear 16, the second gear 16 rotates relatively, so that the first fixed hook 14 and the second fixed hook 15 are closed inwards, hooking connection with a spare tire main body is facilitated, fixing bolts are not needed for connection, the operation is convenient, then the first motor 7 drives the rotating shaft 20 and the fourth gear 19 to rotate, the third gear 18 is meshed with the fourth gear 19, so that the third gear 18 and the rolling shaft 4 rotate, the rolling drum 5 is driven to rotate, the chain 2 is driven to be wound on the rolling drum 5, the spare tire main body fixed at the bottom of the fixing frame 1 is driven to lift, time and labor are saved, meanwhile, if vibration is generated during lifting, vibration force enables two sides of the shell 6 to extrude the fixed block 21 in the buffer piece 8, impel fixed block 21 to slide and compress stiff spring 22 in bolster 8, the flexible resilience through stiff spring 22 absorbs the shaking force and disperses, stability when going up and down is improved, furthermore, second motor 12 drives bull stick 10 and rotates, set up two relative flanks on the bull stick 10, the inside of movable sleeve 11 all is provided with the screw hole with flank assorted, make to drive movable sleeve 11 and be close to each other or part, and then adjust the interval of bottom fixture 9, do benefit to and adjust according to the difference of spare tyre main part specification, the focus position when keeping going up and down, make to go up and down more steadily.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a compact spare tyre riser assembly, includes mount (1), rotary drum (5), casing (6) and fixture (9), its characterized in that: the inside of casing (6) is provided with rotary drum (5) through roller bearing (4), and the one end at casing (6) top is fixed with first motor (7), the output of first motor (7) is provided with pivot (20), and is provided with fourth gear (19) on pivot (20), the winding has chain (2) on rotary drum (5), and the bottom of chain (2) is fixed with mount (1), the inside of mount (1) is provided with bull stick (10), and one side of mount (1) is fixed with second motor (12), the output and the bull stick (10) of second motor (12) are connected, and the both ends of bull stick (10) all overlap and are equipped with movable sleeve (11), the bottom of movable sleeve (11) all is fixed with fixture (9).

2. A compact spare tire riser assembly as set forth in claim 1 wherein: the top of the interior of the fixed frame (1) is fixed with a guide rod, and the top of the movable sleeve (11) is sleeved with the guide rod in a sliding mode through the guide sleeve.

3. A compact spare tire riser assembly as set forth in claim 1 wherein: the roller (4) is provided with a third gear (18), and the third gear (18) is meshed with a fourth gear (19).

4. A compact spare tire riser assembly as set forth in claim 1 wherein: the both sides of casing (6) are evenly provided with mounting panel (3) through bolster (8), and the inside of bolster (8) all is provided with fixed block (21) through rigid spring (22), the one end of fixed block (21) all with casing (6) fixed connection.

5. A compact spare tire riser assembly as set forth in claim 1 wherein: the inside one end of fixture (9) all articulates there is first fixed hook (14), and just the other end of solid fixture (9) inside all articulates there is second fixed hook (15).

6. A compact spare tire riser assembly as set forth in claim 5 wherein: the top of fixture (9) inside all is fixed with electric putter (17), and electric putter's (17) output all is connected with first fixed hook (14) through the connecting piece, be provided with first gear (13) on first fixed hook (14).

7. A compact spare tire riser assembly as set forth in claim 1 wherein: the rotary rod (10) is provided with 2 opposite thread surfaces, and the movable sleeve (11) is internally provided with threaded holes matched with the thread surfaces.

8. A compact spare tire riser assembly as set forth in claim 6 wherein: and the second fixed hooks (15) are respectively provided with a second gear (16), and the second gears (16) are respectively meshed with the first gears (13).

9. A compact spare tire riser assembly as set forth in claim 4 wherein: the both sides of fixed block (21) all are provided with the stopper, the inside both sides of bolster (8) all be provided with stopper assorted spacing groove.