CN114104061A

CN114104061A - Automobile spare tire taking and placing power assisting device

Info

Publication number: CN114104061A
Application number: CN202111351121.7A
Authority: CN
Inventors: 宋砚峰; 毛雷; 闻军; 王旭; 陈阳
Original assignee: Yancheng Guozhuo Technology Co ltd
Current assignee: Yancheng Guozhuo Technology Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-03-01

Abstract

The invention relates to the technical field of automobile spare tire auxiliary equipment, in particular to an automobile spare tire taking and placing power assisting device which comprises a base, wherein a moving structure is arranged on the base, a positioning structure is arranged on the base, a rotating structure is arranged on the base, a limiting structure is arranged on the base, a fixing structure is arranged on the base, and a clamping structure is arranged on the fixing structure; through installation moving structure on the base, can conveniently remove the base, can also carry out the shock attenuation to the base when removing in addition, not only can transport the tire through the base before the wheel that needs to be changed, can also conveniently unload through the base when the freight train needs to unload, can prevent simultaneously through location structure that the base from in the automatic sliding that slopes, through installation revolution mechanic on the base, not only conveniently promote the base, and conveniently accomodate the base when not using.

Description

Automobile spare tire taking and placing power assisting device

Technical Field

The invention relates to the technical field of auxiliary equipment of automobile spare tires, in particular to an auxiliary device for picking and placing automobile spare tires.

Background

The spare tire is prepared for the automobile, if the tire is burst or has a problem, the spare tire can be conveniently and timely replaced, the automobile is not anchored midway, the situation that the truck is burst at high speed is that the spare tire is needed to be replaced, the delivery time of goods is delayed while the truck is waited for maintenance, and the maintenance cost of the automobile is increased.

The tires of a common truck are hung behind an automobile, when the truck needs to be used, the tires are put down and then pulled to the position where the tires need to be replaced for replacement, but the tires of the truck are generally heavier, if the truck pulls the tires too much, the truck needs to repair and pull the tires on a sloping road, and if the tires roll vertically, once the truck can not hold the tires, accidents are easily caused when the tires roll on the road.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides an automobile spare tire taking and placing power assisting device.

The technical scheme adopted by the invention for solving the technical problems is as follows: a power assisting device for taking and placing an automobile spare tire comprises a base, wherein a moving structure is arranged on the base, a positioning structure is arranged on the base, a rotating structure is arranged on the base, a limiting structure is arranged on the base, a fixing structure is arranged on the base, and a clamping structure is arranged on the fixing structure;

the movable structure comprises a first sliding block, the bottom end of the base is connected with the first sliding block in a sliding mode, the bottom end of the first sliding block is fixedly connected with a fixing seat, the fixing seat is connected with a first rotating shaft in a rotating mode through a bearing, the bottom end of the first rotating shaft is fixedly connected with a bottom plate, and a pulley is connected to the bottom plate in a rotating mode.

Specifically, a first spring is fixedly connected between the first sliding block and the base, and the section of the first sliding block is of a T-shaped structure.

Specifically, location structure includes the screw rod, the base is inside to be connected with the screw rod through the bearing rotation, sliding connection has the thread bush in the base, thread bush bottom end fixedly connected with a plurality of location teeth, fixedly connected with changes the handle on the screw rod.

Specifically, the screw rod is in threaded connection with the threaded sleeve, and the section of the positioning tooth is of a triangular structure.

Specifically, revolution mechanic includes the swivel sleeve, it is parallel symmetric relation to rotate on the base and is connected with two swivel sleeves, fixedly connected with head rod in the swivel sleeve, it is connected with the second pivot to rotate on the head rod, fixedly connected with second connecting rod in the second pivot, be equipped with the fixed slot in the second pivot, sliding connection has the fixed block in the head rod, fixed block and fixed slot block, fixedly connected with shell fragment between fixed block and the head rod.

Specifically, limit structure includes the slot, be equipped with the slot on the rotary sleeve, sliding connection has the second slider in the base, fixedly connected with inserted bar on the second slider, inserted bar and slot block, fixedly connected with second spring between second slider and the base.

Specifically, a first guide rod is fixedly connected to the second sliding block, the first guide rod is connected with the base in a sliding mode, and the cross section of the top end of the inserted rod is of an arc-shaped structure.

Specifically, the fixed knot constructs including the fixed column, sliding connection has the fixed column on the base, fixedly connected with second guide arm on the fixed column, threaded connection has the third connecting rod on the second guide arm, fixedly connected with fixed disk on the third connecting rod.

Specifically, a plurality of grooves are formed in the base, a third sliding block is connected to the fixing column in a sliding mode, a protrusion is fixedly connected to the third sliding block, a third spring is fixedly connected to the third sliding block, a third guide rod is fixedly connected to the fixing column in the sliding mode, and the third guide rod is connected with the third sliding block in the sliding mode.

Specifically, clamping structure includes the fourth guide arm, fixedly connected with fourth guide arm in the fixed disk, fixedly connected with clamping bar in the fixed disk, clamping bar and fourth guide arm sliding connection, fixedly connected with fourth spring between clamping bar and the fixed disk, the first latch of fixedly connected with on the clamping bar, sliding connection has the slide bar in the fixed disk, fixedly connected with second latch on the slide bar, first latch and second latch block, fixedly connected with fifth spring between slide bar and the fixed disk, fixedly connected with fifth guide arm on the slide bar, fifth guide arm and fixed disk sliding connection.

The invention has the beneficial effects that:

(1) the automobile spare tire taking and placing power assisting device can conveniently move the base by installing the moving structure on the base, can also absorb shock to the base during moving, can convey tires to the front of wheels to be replaced by the base, can conveniently unload the tires by the base when a truck needs unloading, and can prevent the base from automatically sliding on a slope by the positioning structure, namely when the base needs to be moved, the base can be conveniently moved by rotating the pulley on the base, the fixing seat is fixed on the first slide block and is rotatably connected with the base plate by the first rotating shaft, so that the base plate can be rotated, the direction of the base is conveniently changed, when needs are fixed a position the base, rotate and change and drive the screw rod and rotate, because the thread bush slides in the base and thread bush and screw rod threaded connection, consequently the screw rod rotates and can drive the thread bush and slide downwards to can drive the location tooth that fixes on the thread bush and move downwards and contradict with ground, consequently can fix a position the base.

(2) The automobile spare tire taking and placing power assisting device is characterized in that a rotating structure is arranged on a base, so that the base is convenient to push, the base is convenient to store when the automobile spare tire taking and placing power assisting device is not used, the rotating structure is fixed through a limiting structure, the rotating structure is prevented from automatically rotating to influence work, namely, when the base is required to be pushed, a rotating sleeve is rotated to drive a first connecting rod fixed on the rotating sleeve to rotate, so that a second connecting rod on a second rotating shaft can be driven to rotate, the base can be driven to move by pushing the second connecting rod, when the first connecting rod and the second connecting rod are required to be stored, a second sliding block is pushed to drive an inserting rod fixed on the second sliding block to slide, the inserting rod and a slot are not clamped any more, so that the rotating sleeve can be rotated, then the second connecting rod is rotated, and due to the fact that a fixing slot is formed in the second connecting rod and the fixing block which slides in the first connecting rod is clamped, consequently, elasticity through the shell fragment can make fixed slot and fixed block more firm, then loosen the second slider, through the elasticity of second spring for inserted bar and another slot block once more, thereby can prevent that head rod and second connecting rod from rotating automatically, can prevent through fixing the first guide arm in second slider bottom that the second slider from inclining when sliding.

(3) The automobile spare tire taking and placing assisting device can fix a tire on the base by installing the fixing structure on the base, prevent the tire from sliding off the base when the base moves, is convenient to disassemble the fixing structure, is convenient to use the base for conveying goods, can better fix the tire by the clamping structure, and prevents the tire from shaking on the base, namely, after the tire is placed on the base, the fixing column is inserted in the base, so that the tire can be prevented from sliding off the base by the fixing column, because the second guide rod is fixed on the fixing column and is in threaded connection with the third connecting rod, the rotating fixing disk can drive the third connecting rod to rotate, thereby being capable of adjusting the size of the tire, better protecting the tire by the fixing disk, and because the groove is arranged in the base, the third sliding block slides in the fixed column, so that the fixed column can be prevented from automatically sliding out of the base by clamping the protrusion and the groove which are fixed on the third sliding block, the protrusion and the groove can be clamped more firmly by the elastic force of the third spring which is fixed on the third sliding block, the third sliding block can be prevented from inclining when sliding by the sliding connection of the third guide rod and the third sliding block which are fixed in the fixed column, then the sliding rod is pulled upwards to ensure that the second latch which is fixed on the sliding rod and the first latch which is fixed on the clamping rod are not clamped any more, the clamping rod can be driven to slide by the tensile force of the fourth spring which is fixed between the clamping rod and the fixed disk, so that the tire can be clamped and fixed by the clamping rod, the second latch and the first latch are clamped again after the sliding rod is loosened, the clamping rod can be prevented from being driven to shake when the tire shakes, the clamping is insecure, and the fourth guide rod and the clamping rod which are fixed in the fixed disk are connected in a sliding manner, therefore, the clamping rod can be prevented from inclining when sliding, and the sliding rod can be prevented from inclining when sliding through the fifth guide rod fixed on the sliding rod.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic overall structural view of a preferred embodiment of an automobile spare tire taking and placing assisting device provided by the invention;

FIG. 2 is an enlarged view of the part A shown in FIG. 1;

FIG. 3 is a schematic view of the connection structure of the base and the fixing post according to the present invention;

FIG. 4 is an enlarged view of the structure of the portion B shown in FIG. 3;

FIG. 5 is an enlarged view of the structure of the portion C shown in FIG. 3;

FIG. 6 is a schematic view of a connection structure of a first slider and a first spring according to the present invention;

FIG. 7 is an enlarged view of the structure of the portion D shown in FIG. 6;

FIG. 8 is a schematic view showing a coupling structure of a rotary sleeve and a first coupling rod according to the present invention;

fig. 9 is a schematic view of a connection structure of the second rotating shaft and the second connecting rod according to the present invention.

In the figure: 1. a base; 2. a moving structure; 201. a first slider; 202. a fixed seat; 203. a first rotating shaft; 204. a base plate; 205. a pulley; 206. a first spring; 3. a positioning structure; 301. a screw; 302. a threaded sleeve; 303. positioning teeth; 304. turning a handle; 4. a rotating structure; 401. a rotating sleeve; 402. a first connecting rod; 403. a second rotating shaft; 404. a second connecting rod; 405. fixing grooves; 406. a fixed block; 407. a spring plate; 5. a limiting structure; 501. a slot; 502. a second slider; 503. inserting a rod; 504. a second spring; 505. a first guide bar; 6. a fixed structure; 601. fixing a column; 602. a second guide bar; 603. a third connecting rod; 604. fixing the disc; 605. a groove; 606. a third slider; 607. a protrusion; 608. a third spring; 609. a third guide bar; 7. a clamping structure; 701. a fourth guide bar; 702. a clamping bar; 703. a fourth spring; 704. a first latch; 705. a slide bar; 706. a second latch; 707. a fifth spring; 708. and a fifth guide bar.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 9, the power assisting device for taking and placing the spare tire of the automobile comprises a base 1, wherein a moving structure 2 is installed on the base 1, a positioning structure 3 is installed on the base 1, a rotating structure 4 is installed on the base 1, a limiting structure 5 is installed on the base 1, a fixing structure 6 is installed on the base 1, and a clamping structure 7 is installed on the fixing structure 6;

the moving structure 2 comprises a first sliding block 201, the bottom end of the base 1 is connected with the first sliding block 201 in a sliding manner, the bottom end of the first sliding block 201 is fixedly connected with a fixed seat 202, the fixed seat 202 is connected with a first rotating shaft 203 in a rotating manner through a bearing, the bottom end of the first rotating shaft 203 is fixedly connected with a bottom plate 204, a pulley 205 is connected on the bottom plate 204 in a rotating manner, a first spring 206 is fixedly connected between the first sliding block 201 and the base 1, the cross section of the first sliding block 201 is in a T-shaped structure, when the base 1 needs to be moved, because the first sliding block 201 is connected in the base 1 in a sliding manner, the fixed seat 202 is fixed on the first sliding block 201, and the fixed seat 202 is connected with the bottom plate 204 in a rotating manner through the first rotating shaft 203, so that the bottom plate 204 can be rotated, the direction of the base 1 can be conveniently changed, and the base 1 can be conveniently moved by rotating the pulley 205 on the bottom plate 204, meanwhile, the base 1 can be effectively damped by the first spring 206 fixed between the first slider 201 and the base 1.

Specifically, location structure 3 includes screw rod 301, base 1 is inside to be connected with screw rod 301 through the bearing rotation, sliding connection has thread bush 302 in base 1, a plurality of location teeth 303 of thread bush 302 bottom fixedly connected with, fixedly connected with changes 304 on screw rod 301, screw rod 301 and thread bush 302 threaded connection, location tooth 303 cross-section is triangle-shaped structure, when needs fix a position base 1, rotates to change 304 and drive screw rod 301 and rotate, because thread bush 302 slides and thread bush 302 and screw rod 301 threaded connection in base 1, consequently screw rod 301 rotates and can drive thread bush 302 and slide downwards to can drive fix location tooth 303 downshifting and ground conflict on thread bush 302, consequently can fix a position base 1.

Specifically, the rotating structure 4 includes a rotating sleeve 401, two rotating sleeves 401 are rotatably connected to the base 1 in a parallel symmetrical relationship, a first connecting rod 402 is fixedly connected to the rotating sleeve 401, a second rotating shaft 403 is rotatably connected to the first connecting rod 402, a second connecting rod 404 is fixedly connected to the second rotating shaft 403, a fixing groove 405 is arranged on the second rotating shaft 403, a fixing block 406 is slidably connected to the first connecting rod 402, the fixing block 406 and the fixing groove 405 are engaged, a spring plate 407 is fixedly connected between the fixing block 406 and the first connecting rod 402, when the base 1 needs to be pushed, the rotating sleeve 401 drives the first connecting rod 402 fixed to the rotating sleeve 401 to rotate, so as to drive the second connecting rod 404 on the second rotating shaft to rotate, the second connecting rod 404 is pushed to drive the base 1 to move, when the first connecting rod 402 and the second connecting rod 404 need to be retracted, therefore, the rotating sleeve 401 can be rotated, and then the second connecting rod 404 is rotated, and since the second connecting rod 404 is provided with the fixing groove 405 and the fixing groove 405 is engaged with the fixing block 406 sliding in the first connecting rod 402, the engagement between the fixing groove 405 and the fixing block 406 can be more firm by the elastic force of the elastic piece 407.

Specifically, the limiting structure 5 includes a slot 501, the slot 501 is disposed on the rotating sleeve 401, a second sliding block 502 is connected in the base 1 in a sliding manner, an inserting rod 503 is fixedly connected on the second sliding block 502, the inserting rod 503 is clamped with the inserting groove 501, a second spring 504 is fixedly connected between the second sliding block 502 and the base 1, a first guide rod 505 is fixedly connected to the second sliding block 502, the first guide rod 505 is slidably connected to the base 1, the top section of the inserted bar 503 is arc-shaped, pushing the second slider 502 to drive the inserted bar 503 fixed on the second slider 502 to slide, so that the inserted bar 503 is not engaged with the slot 501, then, the second slider 502 is released, and the plunger 503 is engaged with the other slot 501 again by the elastic force of the second spring 504, thus, the first and

second connection rods

402 and 404 can be prevented from automatically rotating, and the second slider 502 can be prevented from tilting while sliding by the first guide bar 505 fixed to the bottom end of the second slider 502.

Specifically, the fixing structure 6 includes a fixing post 601, the base 1 is slidably connected with the fixing post 601, the fixing post 601 is fixedly connected with a second guide rod 602, the second guide rod 602 is connected with a third connecting rod 603 in a threaded manner, the third connecting rod 603 is fixedly connected with a fixing disk 604, the base 1 is provided with a plurality of grooves 605 therein, the fixing post 601 is slidably connected with a third slider 606, the third slider 606 is fixedly connected with a protrusion 607, the third slider 606 is fixedly connected with a third spring 608, the fixing post 601 is fixedly connected with a third guide rod 609 therein, the third guide rod 609 is slidably connected with the third slider 606, after the tire is placed on the base 1, the fixing post 601 is inserted into the base 1, so that the tire can be prevented from sliding out of the base 1 through the fixing post 601, and because the second guide rod 602 is fixed on the fixing post 601, and second guide arm 602 and third connecting rod 603 threaded connection, therefore rotate fixed disk 604 and can drive third connecting rod 603 and rotate, thereby can adjust through the size of tire, can protect the tire better through fixed disk 604, because be equipped with recess 605 in base 1, it has third slider 606 to slide in fixed column 601, consequently through fixing the automatic roll-off base 1 of fixed column 601 with recess 605 block on third slider 606, can prevent that protruding 607 and recess 605 block is more firm through the elasticity of the third spring 608 of fixing on third slider 606, can prevent third slider 606 slope when sliding through fixing third guide arm 609 and the third slider 606 sliding connection in fixed column 601.

Specifically, the clamping structure 7 includes a fourth guide rod 701, the fixed tray 604 is fixedly connected with the fourth guide rod 701, the fixed tray 604 is fixedly connected with a clamping bar 702, the clamping bar 702 is slidably connected with the fourth guide rod 701, a fourth spring 703 is fixedly connected between the clamping bar 702 and the fixed tray 604, the clamping bar 702 is fixedly connected with a first latch 704, the fixed tray 604 is slidably connected with a slide bar 705, the slide bar 705 is fixedly connected with a second latch 706, the first latch 704 is engaged with the second latch 706, a fifth spring 707 is fixedly connected between the slide bar 705 and the fixed tray 604, the slide bar 705 is fixedly connected with a fifth guide rod 708, the fifth guide rod 708 is slidably connected with the fixed tray 604, and then the slide bar 705 is pulled upwards to make the second latch 706 fixed on the slide bar 705 and the first latch 704 fixed on the clamping bar 702 not engaged any more, the clamping bar 702 can be driven to slide by the tensile force of the fourth spring 703 fixed between the clamping bar 702 and the fixed disc 604, so that the tire can be clamped and fixed through the clamping bar 702, the second latch 706 and the first latch 704 are clamped again after the sliding bar 705 is loosened, the situation that the tire drives the clamping bar 702 to shake when shaking can be prevented, and clamping is insecure, the clamping bar 702 can be prevented from inclining when sliding through the fourth guide rod 701 fixed in the fixed disc 604 and the sliding connection of the clamping bar 702, and the sliding bar 705 can be prevented from inclining when sliding through the fifth guide rod 708 fixed on the sliding bar 705.

When the invention is used, when the base 1 needs to be moved, the first sliding block 201 is connected in the base 1 in a sliding way, the fixed seat 202 is fixed on the first sliding block 201, and the fixed seat 202 is connected with the bottom plate 204 through the first rotating shaft 203 in a rotating way, so that the bottom plate 204 can be rotated, the direction of the base 1 can be conveniently changed, the base 1 can be conveniently moved through the rotating pulley 205 on the bottom plate 204, meanwhile, the base 1 can be effectively damped through the first spring 206 fixed between the first sliding block 201 and the base 1, when the base 1 needs to be positioned, the rotating handle 304 is rotated to drive the screw 301 to rotate, as the threaded sleeve 302 slides in the base 1 and the threaded sleeve 302 is in threaded connection with the screw 301, the screw 301 can drive the threaded sleeve 302 to slide downwards, so that the positioning teeth 303 fixed on the threaded sleeve 302 can be driven to move downwards to be abutted against the ground, therefore, the base 1 can be positioned, when the base 1 needs to be pushed, the rotating sleeve 401 is rotated to drive the first connecting rod 402 fixed on the rotating sleeve 401 to rotate, so as to drive the second connecting rod 404 on the second rotating shaft 403 to rotate, the base 1 can be driven to move by pushing the second connecting rod 404, when the first connecting rod 402 and the second connecting rod 404 need to be folded, the second slider 502 is pushed to drive the inserting rod 503 fixed on the second slider 502 to slide, so that the inserting rod 503 and the inserting groove 501 are not clamped any more, the rotating sleeve 401 can be rotated, then the second connecting rod 404 is rotated, as the fixing groove 405 is arranged on the second connecting rod 404 and the fixing block 406 which slides in the first connecting rod 402 is clamped, the fixing groove 405 and the fixing block 406 can be clamped more firmly through the elastic force of the elastic sheet 407, and then the second slider 502 is loosened, the insertion rod 503 is engaged with the other slot 501 again through the elastic force of the second spring 504, so that the first connection rod 402 and the second connection rod 404 can be prevented from automatically rotating, the second slider 502 can be prevented from inclining when sliding through the first guide rod 505 fixed at the bottom end of the second slider 502, after a tire is placed on the base 1, the fixing column 601 is inserted into the base 1, so that the tire can be prevented from sliding out of the base 1 through the fixing column 601, because the second guide rod 602 is fixed on the fixing column 601 and the second guide rod 602 is in threaded connection with the third connection rod 603, the fixing column 604 can be rotated to drive the third connection rod 603 to rotate, so that the tire can be adjusted through the size of the tire, the tire can be better protected through the fixing column 604, because the groove 605 is arranged in the base 1 and the third slider 606 is slid in the fixing column 601, so that the fixing column 601 can be prevented from automatically sliding out of the base 1 through the engagement of the protrusion 607 and the groove 605 fixed on the third slider 606 The elastic force of the third spring 608 fixed on the third sliding block 606 can make the protrusion 607 and the groove 605 clamped more firmly, the third sliding block 606 can be prevented from tilting during sliding by the sliding connection of the third guide rod 609 and the third sliding block 606 fixed in the fixed column 601, then the sliding rod 705 is pulled upwards to make the second latch 706 fixed on the sliding rod 705 and the first latch 704 fixed on the clamping rod 702 not clamped any more, the clamping rod 702 can be driven to slide by the pulling force of the fourth spring 703 fixed between the clamping rod 702 and the fixed disk 604, so that the tire can be clamped and fixed by the clamping rod 702, the second latch 706 and the first latch 704 are clamped again after the sliding rod 705 is released, the tire can be prevented from driving the clamping rod 702 to shake during shaking, which causes the clamping to be unstable, the fourth guide rod 701 and the clamping rod 702 fixed in the fixed disk 604 are connected in a sliding manner, so that the clamping rod 702 can be prevented from tilting during sliding, the slide bar 705 can be prevented from tilting while sliding by the fifth guide bar 708 fixed to the slide bar 705.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a car spare tyre gets puts booster unit which characterized in that: the device comprises a base (1), wherein a moving structure (2) is installed on the base (1), a positioning structure (3) is installed on the base (1), a rotating structure (4) is installed on the base (1), a limiting structure (5) is installed on the base (1), a fixing structure (6) is installed on the base (1), and a clamping structure (7) is installed on the fixing structure (6);

remove structure (2) including first slider (201), base (1) bottom sliding connection has first slider (201), first slider (201) bottom fixedly connected with fixing base (202), fixing base (202) are rotated through the bearing and are connected with first pivot (203), first pivot (203) bottom fixedly connected with bottom plate (204), it is connected with pulley (205) to rotate on bottom plate (204).

2. The automobile spare tire taking and placing power assisting device according to claim 1, characterized in that: a first spring (206) is fixedly connected between the first sliding block (201) and the base (1), and the section of the first sliding block (201) is of a T-shaped structure.

3. The automobile spare tire taking and placing power assisting device according to claim 1, characterized in that: location structure (3) include screw rod (301), base (1) is inside to be connected with screw rod (301) through the bearing rotation, sliding connection has thread bush (302) in base (1), a plurality of location teeth (303) of thread bush (302) bottom fixedly connected with, fixedly connected with changes handle (304) on screw rod (301).

4. The automobile spare tire taking and placing power assisting device according to claim 3, characterized in that: the screw rod (301) is in threaded connection with the threaded sleeve (302), and the cross section of the positioning tooth (303) is of a triangular structure.

5. The automobile spare tire taking and placing power assisting device according to claim 1, characterized in that: revolution mechanic (4) are including rotary sleeve (401), it is connected with two rotary sleeve (401) to be parallel symmetry on base (1) to rotate, fixedly connected with head rod (402) on rotary sleeve (401), it is connected with second pivot (403) to rotate on head rod (402), fixedly connected with second connecting rod (404) on second pivot (403), be equipped with fixed slot (405) on second pivot (403), sliding connection has fixed block (406) in head rod (402), fixed block (406) and fixed slot (405) block, fixedly connected with shell fragment (407) between fixed block (406) and head rod (402).

6. The automobile spare tire taking and placing power assisting device according to claim 5, characterized in that: limiting structure (5) are including slot (501), be equipped with slot (501) on swivel sleeve (401), sliding connection has second slider (502) in base (1), fixedly connected with inserted bar (503) on second slider (502), inserted bar (503) and slot (501) block, fixedly connected with second spring (504) between second slider (502) and base (1).

7. The automobile spare tire taking and placing power assisting device of claim 6, wherein: the second sliding block (502) is fixedly connected with a first guide rod (505), the first guide rod (505) is connected with the base (1) in a sliding mode, and the cross section of the top end of the inserting rod (503) is of an arc-shaped structure.

8. The automobile spare tire taking and placing power assisting device according to claim 1, characterized in that: fixed knot constructs (6) including fixed column (601), sliding connection has fixed column (601) on base (1), fixedly connected with second guide arm (602) on fixed column (601), threaded connection has third connecting rod (603) on second guide arm (602), fixedly connected with fixed disk (604) on third connecting rod (603).

9. The automobile spare tire taking and placing assisting device of claim 8, wherein: the novel LED lamp is characterized in that a plurality of grooves (605) are formed in the base (1), a third sliding block (606) is connected to the fixed column (601) in a sliding mode, a protrusion (607) is fixedly connected to the third sliding block (606), a third spring (608) is fixedly connected to the third sliding block (606), a third guide rod (609) is fixedly connected to the fixed column (601) in the sliding mode, and the third guide rod (609) is connected with the third sliding block (606) in a sliding mode.

10. The automobile spare tire taking and placing assisting device of claim 8, wherein: the clamping structure (7) comprises a fourth guide rod (701), the fixed disc (604) is fixedly connected with the fourth guide rod (701), a clamping rod (702) is fixedly connected in the fixed disk (604), the clamping rod (702) is connected with the fourth guide rod (701) in a sliding way, a fourth spring (703) is fixedly connected between the clamping rod (702) and the fixed disc (604), a first latch (704) is fixedly connected to the clamping rod (702), a sliding rod (705) is connected in the fixed disc (604) in a sliding manner, a second latch (706) is fixedly connected to the sliding rod (705), the first latch (704) is clamped with the second latch (706), a fifth spring (707) is fixedly connected between the sliding rod (705) and the fixed disc (604), the sliding rod (705) is fixedly connected with a fifth guide rod (708), and the fifth guide rod (708) is connected with the fixed disc (604) in a sliding mode.