CN210025258U

CN210025258U - Auxiliary device for auto repair convenient for maintainer to come in and go out of bottom of automobile

Info

Publication number: CN210025258U
Application number: CN201920766893.9U
Authority: CN
Inventors: 陈勇; 杨婧文
Original assignee: Nanjing Communications Institute of Technology
Current assignee: Nanjing Communications Institute of Technology
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2020-02-07
Anticipated expiration: 2029-05-27

Abstract

The utility model discloses an auxiliary device for auto repair convenient to maintenance personal discrepancy car bottom, including bottom plate and snap hook, the top edge of bottom plate has been seted up and has been receive and release the groove, and receive and release the in-groove connection and have received and release the pole, the top hub connection of receiving and releasing the pole has the fender rod, the snap hook is fixed in the up end of bottom plate, and the one end of snap hook is connected with the inboard of receiving and releasing the pole, the activity groove has been seted up to the avris of bottom plate, and is provided with the expansion board in the activity groove, the inboard reservation of expansion board has the guide slot, and the guide slot in-connection has the guide arm, the one end of guide arm runs through the activity groove and is fixed with the handle, and the handle is located the outside of bottom plate, the outside cover on guide arm top is. This auxiliary device for auto repair convenient to maintainer discrepancy car bottom can expand the device and receive and release, and convenient storage is carried and is used, has safeguard function simultaneously, can remove.

Description

Auxiliary device for auto repair convenient for maintainer to come in and go out of bottom of automobile

Technical Field

The utility model relates to an auto repair technical field specifically is an auxiliary device for auto repair convenient to maintenance personal discrepancy car bottom.

Background

The car is when the maintenance, generally needs the staff to bore the vehicle bottom and maintains, in indoor maintenance place, has special jack-up apparatus usually, can with car jack-up, the staff conveniently bores the vehicle bottom and maintains, but when the car takes place the accident on the road and need in time salvage, adopts the jack to jack-up the car usually, highly very low, need use appurtenance to let the staff arrive the car bottom smoothly, however current appurtenance has following problem:

1. the conventional auxiliary tool is usually cushioned on the ground by a cushion or a plate, a worker directly lies on the cushion and drills into the bottom of a vehicle, the movement is inconvenient by adopting the plate, the worker needs to move by himself, time and labor are wasted, and the plate is inconvenient to fold and unfold, so that the auxiliary tool is inconvenient to carry and use;

2. because adopt the jack with car jack-up, lead to jack-up error easily, the condition of vehicle whereabouts, though the chassis of general vehicle can hold space alone, the staff is when the maintenance, can lift the head in unavoidable, will cause the injury to the staff like this easily, and current appurtenance does not possess safeguard function, and the staff has personal safety's hidden danger when the maintenance vehicle.

However, in order to solve the above problems, innovative design based on the original auxiliary device for automobile maintenance is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an auxiliary device for auto repair convenient to maintenance personal discrepancy car bottom to solve above-mentioned background art and propose current appurtenance, inconvenient removal and receive and release and carry, do not possess safeguard function's problem simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: an auxiliary device for automobile maintenance convenient for maintenance personnel to come in and go out of the bottom of an automobile comprises a bottom plate and a spring drag hook, wherein a retractable groove is formed in the edge of the top of the bottom plate, a retractable rod is connected in the retractable groove, a protection rod is connected to the top shaft of the retractable rod, a torsion spring is fixed at the joint of the protection rod and the retractable rod, the joint of the retractable rod and the retractable groove, a fixed rod is installed on the outer side of the top of the retractable groove, the spring drag hook is fixed on the upper end face of the bottom plate, one end of the spring drag hook is connected with the inner side of the retractable rod, a movable groove is formed in the side of the bottom plate, an expansion plate is arranged in the movable groove, a guide groove is reserved in the inner side of the expansion plate, a guide rod is connected in the guide groove, a handle is fixed at one end of the guide rod through the movable, the limiting sleeve is located in the limiting groove, the limiting groove is formed in the bottom plate, the mounting rod is fixed to the bottom of the expansion plate, the mounting rod penetrates through the movable groove and is located in the through groove, the through groove is formed in the bottom of the bottom plate, and pulleys are fixedly connected to the bottom of the mounting rod and the bottom of the bottom plate.

Preferably, the number of the retractable rods is 2, and the retractable rods are connected with the retractable grooves through shafts, wherein the retractable rods are symmetrically arranged about the central axis of the bottom plate.

Preferably, the fixing rod is designed to be of an L-shaped structure, and the bottom of the fixing rod and the top of the retraction groove are located on the same horizontal plane.

Preferably, the expansion plate is in sliding connection with the movable groove, and the outer side of the expansion plate is attached to the inner wall of the movable groove.

Preferably, the guide rod is in threaded connection with the guide groove, and the guide rod and the expansion plate share a central axis.

Preferably, the limiting sleeve is rotatably connected with the limiting groove, and the outer diameter of the limiting sleeve is equal to the inner diameter of the limiting groove.

Compared with the prior art, the beneficial effects of the utility model are that: the auxiliary device for automobile maintenance is convenient for maintenance personnel to go in and out of the bottom of an automobile;

1. the two retracting rods are connected with the retracting groove through shafts, and the bottom of the fixing rod of the L-shaped structure and the top of the retracting groove are positioned on the same horizontal plane, so that workers can be protected through the retracting rods and the protective rods, the situation that the workers are directly hit by an automobile due to falling of a machine fault is avoided, and the retracting rods and the protective rods are convenient to retract;

2. through setting up threaded connection between guide arm and the guide slot, rotate between stop collar and the spacing groove and be connected while expansion board and the sliding connection between the activity groove for when rotating the guide arm, can promote expansion board and slide in the activity inslot, thereby conveniently adjust the device's area, facilitate the use, can receive and release the device simultaneously, conveniently store and carry.

Drawings

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

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

FIG. 3 is a schematic view of the unfolding structure of the retractable rod of the present invention;

fig. 4 is the schematic view of the retractable structure of the retractable rod of the present invention.

In the figure: 1. a base plate; 2. a retraction slot; 3. a rod is retracted and released; 4. a guard bar; 5. fixing the rod; 6. a spring hook; 7. a movable groove; 8. an expansion plate; 9. a guide groove; 10. a guide bar; 11. a handle; 12. a limiting sleeve; 13. a limiting groove; 14. a torsion spring; 15. mounting a rod; 16. a through groove; 17. a pulley.

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. 1-4, the present invention provides a technical solution: an auxiliary device for automobile maintenance convenient for maintenance personnel to come in and go out of the bottom of an automobile comprises a bottom plate 1, a retractable groove 2, a retractable rod 3, a protective rod 4, a fixed rod 5, a spring hook 6, a movable groove 7, an expansion plate 8, a guide groove 9, a guide rod 10, a handle 11, a limiting sleeve 12, a limiting groove 13, a torsion spring 14, an installation rod 15, a through groove 16 and a pulley 17, wherein the retractable groove 2 is formed in the edge of the top of the bottom plate 1, the retractable rod 3 is connected in the retractable groove 2, the protective rod 4 is connected to the top shaft of the retractable rod 3, the torsion spring 14 is fixed at the joint of the protective rod 4 and the retractable rod 3 and the joint of the retractable rod 3 and the retractable groove 2, the fixed rod 5 is installed on the outer side of the top of the retractable groove 2, the spring hook 6 is fixed on the upper end surface of the bottom plate 1, one end of the spring hook 6 is connected with the inner, an expansion plate 8 is arranged in the movable groove 7, a guide groove 9 is reserved on the inner side of the expansion plate 8, a guide rod 10 is connected in the guide groove 9, one end of the guide rod 10 penetrates through the movable groove 7 and is fixed with a handle 11, the handle 11 is positioned on the outer side of the bottom plate 1, a limiting sleeve 12 is sleeved on the outer side of the top end of the guide rod 10 and is positioned in a limiting groove 13, the limiting groove 13 is arranged in the bottom plate 1, an installation rod 15 is fixed at the bottom of the expansion plate 8, the installation rod 15 penetrates through the movable groove 7 and is positioned in a through groove 16, the through groove 16 is arranged at the bottom of the bottom plate 1, and pulleys 17 are fixedly connected to the installation rod 15 and the bottom of the;

the number of the retractable rods 3 is 2, and the retractable rods 3 are connected with the retractable groove 2 through shafts, so that the 2 retractable rods 3 and the protective rod 4 can be stressed in a balanced manner, a protection function is achieved, and the retractable rods 3 can be rotated into the retractable groove 2;

the fixing rod 5 is designed into an L-shaped structure, the bottom of the fixing rod 5 and the top of the retraction groove 2 are positioned on the same horizontal plane, and the retraction rod 3 and the protection rod 4 which rotate into the retraction groove 2 are conveniently fixed through rotating the fixing rod 5 and the fixing rod 5;

the expansion plate 8 is connected with the movable groove 7 in a sliding manner, the outer side of the expansion plate 8 is attached to the inner wall of the movable groove 7, and the expansion plate 8 can stably slide in the movable groove 7, so that the expansion plate 8 can be conveniently folded and unfolded, the size of the device is changed, and the device is convenient to carry and use;

the guide rod 10 is in threaded connection with the guide groove 9, the guide rod 10 and the expansion plate 8 share the same central axis, and the position of the expansion plate 8 is adjusted and fixed under the effect of threaded connection of the guide rod 10 and the guide groove 9 by rotating the guide rod 10;

the stop collar 12 is rotatably connected with the stop groove 13, the outer diameter of the stop collar 12 is equal to the inner diameter of the stop groove 13, and when the guide rod 10 rotates, the stop collar 12 rotates along with the stop groove 13 to keep the guide rod 10 stably running.

The working principle is as follows: when the auxiliary device for automobile maintenance, which is convenient for maintenance personnel to come in and go out of the bottom of an automobile, is used, the device is unfolded for use as shown in figures 1-4, firstly, the fixing rod 5 on the bottom plate 1 is rotated, so that the fixing rod 5 loses the limiting effect on the retracting rod 3 in the retracting groove 2, then the retracting rod 3 rotates out in the retracting groove 2, the retracting rod 3 is influenced by the torsion spring 14 and is vertical to the retracting groove 2, meanwhile, the protection rod 4 rotates on the retracting rod 3 and is influenced by the torsion spring 14 and is vertical to the retracting rod 3, then, one end of the spring hook 6 on the bottom plate 1 is fixed with the inner side of the retracting rod 3, the inner side of the retracting rod 3 is provided with a buckle matched with the spring hook 6, so that the positions of the retracting rod 3 and the protection rod 4 are unfolded and fixed, the retracting rod 3 and the protection rod 4 aim to bear the first impact of automobile falling, and provide a reaction time for, because the automobile chassis can accommodate workers, the integral supporting function of the automobile by the folding and unfolding rod 3 and the protection rod 4 is not needed;

then, as shown in fig. 1-2, a handle 11 is rotated manually, the handle 11 drives a guide rod 10 to rotate, a limit sleeve 12 on the outer side of the guide rod 10 rotates in a limit groove 13, stable rotation of the guide rod 10 is maintained, the guide rod 10 is in threaded connection with a guide groove 9 in an expansion plate 8, the expansion plate 8 is forced to slide out in the movable groove 7 by rotating the guide rod 10 under the limiting action of the movable groove 7, and meanwhile, an installation rod 15 at the bottom of the expansion plate 8 slides in a through groove 16, so that a pulley 17 at the bottom of the installation rod 15 can move along with the expansion plate, the whole balance of the device is conveniently maintained, a worker can lie on the bottom plate 1 and the expansion plate 8, and push the worker into the bottom of the automobile by taking the ground as a reaction force, the worker is convenient to move and maintain, and meanwhile, the folding and unfolding process of.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an auxiliary device for auto repair convenient to maintenance personal discrepancy car bottom, includes bottom plate (1) and snap hook (6), its characterized in that: the foldable folding and unfolding device is characterized in that a folding and unfolding groove (2) is formed in the edge of the top of the bottom plate (1), a folding and unfolding rod (3) is connected in the folding and unfolding groove (2), a protective rod (4) is connected to a top shaft of the folding and unfolding rod (3), a torsion spring (14) is fixed at the joint of the protective rod (4) and the folding and unfolding rod (3) and the joint of the folding and unfolding rod (2), a fixing rod (5) is installed on the outer side of the top of the folding and unfolding groove (2), a spring drag hook (6) is fixed on the upper end face of the bottom plate (1), one end of the spring drag hook (6) is connected with the inner side of the folding and unfolding rod (3), a movable groove (7) is formed in the side of the bottom plate (1), an unfolding plate (8) is arranged in the movable groove (7), a guide groove (9) is reserved on the inner side of the unfolding plate (8), a guide rod (10) is connected in the guide groove (9), and a handle, and handle (11) are located the outside of bottom plate (1), the outside cover on guide arm (10) top is equipped with stop collar (12), and stop collar (12) are located spacing groove (13) to spacing groove (13) are seted up in the inside of bottom plate (1), the bottom of expansion plate (8) is fixed with installation pole (15), and installation pole (15) run through activity groove (7) and are located logical groove (16), and lead to groove (16) and set up in the bottom of bottom plate (1), the equal fixedly connected with pulley (17) in bottom of installation pole (15) and bottom plate (1).

2. The auxiliary device for automobile maintenance for facilitating the entry and exit of maintenance personnel to and from the bottom of the automobile as claimed in claim 1, wherein: the number of the retractable rods (3) is 2, and the retractable rods (3) are connected with the retractable grooves (2) through shafts, wherein the number of the retractable rods is 2, and the central axis of the retractable rods is symmetrical with the central axis of the bottom plate (1).

3. The auxiliary device for automobile maintenance for facilitating the entry and exit of maintenance personnel to and from the bottom of the automobile as claimed in claim 1, wherein: the fixing rod (5) is designed to be of an L-shaped structure, and the bottom of the fixing rod (5) and the top of the retraction groove (2) are located on the same horizontal plane.

4. The auxiliary device for automobile maintenance for facilitating the entry and exit of maintenance personnel to and from the bottom of the automobile as claimed in claim 1, wherein: the expansion plate (8) is connected with the movable groove (7) in a sliding mode, and the outer side of the expansion plate (8) is attached to the inner wall of the movable groove (7) mutually.

5. The auxiliary device for automobile maintenance for facilitating the entry and exit of maintenance personnel to and from the bottom of the automobile as claimed in claim 1, wherein: the guide rod (10) is in threaded connection with the guide groove (9), and the guide rod (10) and the expansion plate (8) share the same central axis.

6. The auxiliary device for automobile maintenance for facilitating the entry and exit of maintenance personnel to and from the bottom of the automobile as claimed in claim 1, wherein: the limiting sleeve (12) is rotatably connected with the limiting groove (13), and the outer diameter of the limiting sleeve (12) is equal to the inner diameter of the limiting groove (13).