CN214446345U

CN214446345U - Service creeper for automobile chassis

Info

Publication number: CN214446345U
Application number: CN202120493295.6U
Authority: CN
Inventors: 宁士君
Original assignee: Harbin Huade University
Current assignee: Harbin Huade University
Priority date: 2021-03-08
Filing date: 2021-03-08
Publication date: 2021-10-22
Anticipated expiration: 2031-03-08

Abstract

A lying plate for maintaining an automobile chassis relates to an automobile maintenance tool. The utility model discloses a last body service creeper upper surface front end installation headrest, the fixed front roller of lower surface front end, rear end an organic whole is provided with the buttock and holds in the palm, it holds in the palm the position bilateral symmetry and is fixed with two shaft to be close to the buttock, two back drive wheels rotate the suit respectively on the shaft, two gears set up respectively in back drive wheel inboardly, back drive wheel is provided with annular connecting portion and gear coaxial coupling as an organic wholely, two spur rack horizontal meshing respectively is on the gear, the handle is fixed to the spur rack front end, the buttock holds in the palm both sides and has seted up the through-hole with the spur rack corresponding position, the elasticity is received the reel and is fixed in the buttock and hold in the palm the rear end, the rolling has lower body floorcloth, lower body cloth outer end fixed crossbeam, there are two string foot becket bridle in the crossbeam both sides. The novel multifunctional bed chair is divided into an upper body lying plate and a lower body backing cloth bearing part, saves space, is convenient to carry, can control movement and steering by pushing and pulling two straight racks, and is simple and convenient.

Description

Service creeper for automobile chassis

Technical Field

The utility model relates to an auto repair apparatus, especially a service creeper for vehicle chassis belongs to auto repair technical field.

Background

The automobile serving as a travel tool for people becomes an indispensable component in daily life, when the automobile breaks down and is maintained, the automobile is lifted by lifting equipment in a steam maintenance factory, and if the automobile breaks down, the automobile can be lifted to a proper height by a vehicle-mounted jack and then drilled into the bottom of the automobile for maintenance.

At present, when people maintain the bottom of a drilling vehicle, in order to avoid directly rolling on the ground, people can only lay some pieces of laying cloth on the ground, and then people lie on the laying cloth to maintain, and the vehicle is very inconvenient to move due to narrow space at the bottom of the vehicle. In addition, also have some service creepers that this kind of condition is suitable for specially on the market, conveniently remove through setting up the gyro wheel, but these service creepers are occupation space on the one hand great at present, whole length is generally more than 1.5m, be not convenient for the vehicle-mounted to carry, on the other hand needs the user to lie above then to remove through both feet and ground contact, at this moment user's both legs must be in the bending condition, very hard, and it collides with to make knee and vehicle bottom produce very easily under narrow and small space, it is still not convenient enough. Therefore, a creeper for repairing the chassis of the automobile, which has more reasonable movement and occupies a small space, is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a service creeper for vehicle chassis, it divide into two bearing parts of upper part of the body service creeper and lower part of the body floorcloth, save space portable, can control through two spur racks of push-and-pull and remove and turn to, and is simple convenient.

In order to achieve the above purpose, the utility model adopts the following technical proposal: a creeper for maintaining an automobile chassis comprises an upper body creeper, a front roller, an elastic winding drum, a lower body laying cloth, two rear driving wheels, two gears and two straight racks, wherein a headrest is installed at the middle position of the front end of the upper surface of the upper body creeper, the front roller is fixed at the middle position of the front end of the lower surface of the upper body creeper, a hip support is integrally arranged at the rear end of the upper body creeper, the hip support is a surrounding edge which is higher than the upper surface of the upper body creeper and is attached to the hip of a human body, two wheel shafts are symmetrically fixed at the position of the upper body creeper close to the hip support and are symmetrically arranged on two sides, the two rear driving wheels are respectively rotatably sleeved on the two wheel shafts, the two gears are respectively arranged on the inner sides of the two rear driving wheels, an annular connecting part is arranged on the inner side surface of each rear driving wheel and is coaxially connected with the corresponding gears into a whole, the two straight racks are respectively horizontally meshed on the two gears, and the front ends of the two straight racks are respectively fixed with handles, the buttock holds in the palm both sides and two spur rack corresponding position and offers the through-hole that is used for the spur rack to pass respectively, an elasticity rolling section of thick bamboo is transversely fixed and is held in the palm the rear end at the buttock, and the rolling has lower body floorcloth in the elasticity rolling section of thick bamboo, lower body floorcloth outer end is fixed with the crossbeam, crossbeam rear end both sides are fixed with two hitching leg becket bridles.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses divide into two bearing parts of lower part of the body service creeper and rolling in elasticity winding drum, lower part of the body service creeper rolling at ordinary times is in elasticity winding drum, the occupation in saving space, and is convenient for carry, the headrest position of upper part of the body service creeper is adjustable, satisfy different height users' demand, gyro wheel before the installation of upper part of the body service creeper front end, two back drive wheels of rear end installation, can control the rotation of two back drive wheels through two straight-teeth strips of push-and-pull, thereby realize the back-and-forth movement, and be the craspedodrome during two straight-teeth strips of same range push-and-pull, steerable turning to during two straight-teeth strips of different range push-and-pull, moreover, the steam generator is simple in structure and practical, facilitate for the maintenance of vehicle chassis.

Drawings

FIG. 1 is an isometric view of the overall structure of a service creeper for an automobile chassis according to the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 2;

figure 4 is an isometric view of the rear drive wheel of the present invention.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

A creeper for maintaining an automobile chassis is disclosed, and shown in figures 1-4, and comprises an upper body creeper 1, a front roller 3, an elastic winding drum 7, a lower body laying cloth 8, two rear driving wheels 4, two gears 5 and two spur racks 6;

the middle position of the front end of the upper surface of the upper body lying plate 1 is provided with a headrest 2, further, the middle position of the front end of the upper surface of the upper body lying plate 1 is provided with a chute 1-1 along the front-back direction in order to adjust the position of the headrest 2 when users with different heights lie down, the bottom of the headrest 2 is fixed with a connecting plate 2-1, the middle position of the lower surface of the connecting plate 2-1 is provided with a slide block 2-2 and is in sliding connection with the chute 1-1, so that the users can move and adjust the position of the headrest 2 according to the self requirements, the middle position of the front end of the lower surface of the upper body lying plate 1 is fixed with a front roller 3, further, in order to adjust the direction of the lying plate in the moving process, the front roller 3 is preferably a universal roller, the rear end of the upper body lying plate 1 is integrally provided with a hip support 1-2, the hip support 1-2 is a surrounding edge which is higher than the upper surface of the upper body lying plate 1 and is attached to the hip of a human body, further, in order to facilitate taking of tools in the vehicle repairing process, tool grooves 1-5 can be formed in the middle of one side of an upper body lying plate 1, two wheel shafts 1-4 are symmetrically fixed on two sides of the position, adjacent to a hip support 1-2, of the upper body lying plate 1, the two rear driving wheels 4 are respectively sleeved on the two wheel shafts 1-4 in a rotating mode, the two gears 5 are respectively arranged on the inner sides of the two rear driving wheels 4, an annular connecting portion 4-1 is arranged on the inner side surface of each rear driving wheel 4 and is coaxially connected with the corresponding gear 5 into a whole, the two straight racks 6 are respectively and horizontally meshed with the two gears 5, handles 6-1 are respectively fixed at the front ends of the two straight racks 6, the handles 6-1 facilitate pushing and pulling of the two straight racks 6 when a user lies down, through holes 1-3 for the straight racks 6 to penetrate through are respectively formed in the two sides of the hip support 1-2 and the corresponding positions of the two straight racks 6, further, in order to ensure that the teeth position does not generate blocking when the straight rack 6 moves in the through hole 1-3, the groove 6-2 is respectively arranged at the middle position of the outer side surface of the two straight racks 6 along the length direction, the limiting bulges 1-6 matched with the groove 6-2 are respectively arranged on the inner walls of the two through holes 1-3, so as to limit the height position of the straight racks 6 and avoid the teeth below the straight racks 6 from contacting with the edge of the through hole 1-3 to cause blocking, the elastic winding drum 7 is transversely fixed at the rear end of the hip support 1-2, the lower body pad cloth 8 is wound in the elastic winding drum 7, the elastic winding drum 7 is of the existing structure, the lower body pad cloth 8 can be automatically retracted under the condition that no external force exists after the lower body pad cloth 8 is pulled out, the elastic winding drum 7 comprises a cylindrical shell and a shaft lever coaxially and rotatably arranged in the cylindrical shell, the two ends of the shaft lever are respectively provided with a coil spring corresponding to the inner wall of the cylindrical shell, the cylindrical shell is provided with an access opening, the inner end of the lower body pad cloth 8 is fixed and wound on the shaft lever, the outer end of the lower body pad cloth 8 extends out of the access opening and is fixed with a cross beam 8-1, two foot hanging rope rings 9 are fixed on the two sides of the rear end of the cross beam 8-1, a user can conveniently pull out the lower body pad cloth 8 by hanging the two foot hanging rope rings 9 at the tiptoe positions of the two feet after lying down, furthermore, the lower body pad cloth 8 needs to generate large friction with the ground in the moving process of the lying plate, and the lower body pad cloth 8 is preferably made of wear-resistant nylon cloth.

When the lying plate is used, a user lifts the vehicle to a proper height by utilizing a jack in advance, the lying plate is integrally placed on the ground, one end of each of handles 6-1 of two straight racks 6 is enabled to be close to the rear driving wheel 4, then the user sits on the hip support 1-2 and hangs the two foot hanging rope rings 9 at the tiptoe positions of two feet respectively, then the upper body lies on the upper body lying plate 1 horizontally, the headrest 2 is moved to be padded below the head, the lower body stretches to pull out the lower body padding cloth 8 wound in the elastic winding drum 7 to be laid below the legs, tools needed to be used are placed in the tool grooves 1-5 in advance to be convenient to take, the two handles 6-1 are held by two hands to pull the two straight racks 6, the rear driving wheel 4 is driven by the gear 5 to rotate to realize the forward movement of the lying plate, and the two straight racks 6 are pushed and pulled by the same amplitude of the two hands, steerable when two straight-teeth rack 6 of range push-and-pull of both hands, repair and accomplish the back both hands and promote two handles 6-1 backward and can realize retreating of this service creeper to leaving the car bottom, very convenient, the length of upper part of the body service creeper 1 has been saved in the setting of elasticity receipts reel 7 and lower part of the body floorcloth 8, and human upper part of the body is generally about a meter, has saved the space of this service creeper and has taken, more is favorable to putting and carries in the trunk spare.

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 forms of embodiment 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.

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 service creeper for vehicle chassis which characterized in that: comprises an upper body lying plate (1), a front roller (3), an elastic winding drum (7), a lower body laying cloth (8), two rear driving wheels (4), two gears (5) and two straight racks (6), wherein a headrest (2) is installed at the middle position of the front end of the upper surface of the upper body lying plate (1), the front roller (3) is fixed at the middle position of the front end of the lower surface of the upper body lying plate (1), a hip support (1-2) is integrally arranged at the rear end of the upper body lying plate (1), the hip support (1-2) is a surrounding edge which is higher than the upper surface of the upper body lying plate (1) and is attached to the hip of a human body, two wheel shafts (1-4) are symmetrically fixed at the positions of the upper body lying plate (1) adjacent to the hip support (1-2), the two rear driving wheels (4) are respectively rotatably sleeved on the two wheel shafts (1-4), and the two gears (5) are respectively arranged at the inner sides of the two rear driving wheels (4), every rear drive wheel (4) inboard surface is provided with annular connecting portion (4-1) and gear (5) coaxial coupling as an organic whole that correspond, two spur rack (6) horizontal meshing respectively are on two gears (5), and two spur rack (6) front ends are fixed with handle (6-1) respectively, and the buttock holds in the palm (1-2) both sides and corresponds the position with two spur rack (6) and offer respectively and be used for through-hole (1-3) that spur rack (6) passed, elasticity receipts reel (7) are transversely fixed in buttock support (1-2) rear end, and elasticity receipts reel (7) adduction has lower body floorcloth liner (8), lower body cloth liner (8) outer end is fixed with crossbeam (8-1), crossbeam (8-1) rear end both sides are fixed with two string foot becket bridle (9).

2. The lying plate for repairing the automobile chassis according to claim 1, wherein: the upper body lying plate is characterized in that a sliding groove (1-1) is formed in the middle of the front end of the upper body lying plate (1) in the front-back direction, a connecting plate (2-1) is fixed to the bottom of the headrest (2), and a sliding block (2-2) is arranged in the middle of the lower surface of the connecting plate (2-1) and is in sliding connection with the sliding groove (1-1).

3. A service creeper for an automobile chassis according to claim 1 or 2, wherein: grooves (6-2) are respectively formed in the middle positions of the outer side surfaces of the two straight racks (6) along the length direction of the straight racks, and limiting bulges (1-6) matched with the grooves (6-2) are respectively formed in the inner walls of the two through holes (1-3).

4. The lying plate for repairing the automobile chassis according to claim 1, wherein: the elastic winding drum (7) comprises a cylindrical shell and a shaft lever coaxially and rotatably arranged in the cylindrical shell, wherein coil springs are respectively arranged at the two ends of the shaft lever and at the corresponding positions of the inner wall of the cylindrical shell, an inlet and outlet opening is reserved on the cylindrical shell, the inner end of the lower body cloth liner (8) is fixed and wound on the shaft lever, and the outer end of the lower body cloth liner (8) extends out of the inlet and outlet opening and is fixed with a cross beam (8-1).

5. The lying plate for repairing the automobile chassis according to claim 1, wherein: the middle position of one side of the upper body lying plate (1) is provided with a tool groove (1-5).

6. The lying plate for repairing the automobile chassis according to claim 1, wherein: the front roller (3) adopts a universal roller.

7. The lying plate for repairing the automobile chassis according to claim 1, wherein: the lower body laying cloth (8) is made of wear-resistant nylon cloth.