CN212311896U

CN212311896U - Dismounting device of door footboard axis of rotation of motor car

Info

Publication number: CN212311896U
Application number: CN202020403197.4U
Authority: CN
Inventors: 高坤; 陈晓东; 陈瑞金; 许开城
Original assignee: Fujian Tianguang Fire Fighting Co ltd
Current assignee: Fujian Tianguang Fire Fighting Co ltd
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2021-01-08
Anticipated expiration: 2030-03-26

Abstract

The utility model discloses a dismounting device of door footboard axis of rotation of motor car, the tip of door footboard axis of rotation has the external screw thread section, and this dismounting device includes guiding axle, traction block, sliding hammer and connector, connector fixed connection or integrated into one piece in the one end of guiding axle, the connecting hole has been seted up on the connector, the inner wall of connecting hole be equipped with external screw thread section assorted internal thread section, traction block fixed connection or integrated into one piece in on the guiding axle, sliding hammer sliding connection be in on the guiding axle, just sliding hammer is located the connector with pull between the block. The disassembly operation of the rotating shaft of the vehicle door pedal can be completed by only one person through the disassembly device, and the maintenance cost is effectively reduced.

Description

Dismounting device of door footboard axis of rotation of motor car

Technical Field

The utility model relates to a mechanical dismounting device, concretely relates to dismounting device of door footboard axis of rotation of motor car.

Background

The door footboard of motor car includes first footboard, second footboard and pneumatic winding and unwinding devices, and the door footboard passes through pneumatic means and packs up or set level, and the one end fixed connection of first footboard is on pneumatic means, and the other end of first footboard passes through door footboard axis of rotation with the second footboard and rotates and link to each other, and the door footboard axis of rotation of motor car is being received and unwound the in-process and is easily worn and torn, needs periodic replacement.

Because door footboard axis of rotation is uneven after receiving the excessive wear, take off the back with door footboard from pneumatic means during the dismantlement, fix first footboard on the bench vice earlier, often need alone constantly to rock the second footboard, alone in addition cliies door footboard axis of rotation tip with the vice and outwards pull out hard, just can accomplish. The rotating shaft of the car door pedal can be replaced by two persons, so that the disassembly can be completed, too much labor is consumed, and the maintenance cost is high.

Accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can reduce cost of maintenance's dismounting device of door footboard axis of rotation of motor car.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a dismounting device of door footboard axis of rotation of motor car, the tip of door footboard axis of rotation has the external screw thread section, and this dismounting device includes guiding axle, traction block, sliding hammer and connector, connector fixed connection or integrated into one piece in the one end of guiding axle, the connecting hole has been seted up on the connector, the inner wall of connecting hole be equipped with external screw thread section assorted internal thread section, traction block fixed connection or integrated into one piece in on the guiding axle, sliding hammer sliding connection be in on the guiding axle, just the sliding hammer is located the connector with pull between the block.

Preferably, the dismounting device is still including the fixed part who is used for fixed door pedal, the fixed part includes the base, screws the hand wheel, dead lever and compact heap, it is in to screw hand wheel fixed connection or integrated into one piece on the dead lever, the compact heap cover is established on the dead lever, the fixed orifices has been seted up on the base, be equipped with fixed internal thread on the inner wall of fixed orifices, be equipped with on the dead lever with fixed internal thread assorted fixed external screw thread, the dead lever passes through fixed external screw thread with fixed internal thread's cooperation can be dismantled and connect on the base.

Preferably, the dismounting device further comprises a guide bracket fixedly connected to the base, and a guide hole for the guide shaft to pass through is formed in the guide bracket.

Through adopting aforementioned design, the beneficial effects of the utility model are that: the pedal is fixed on the base through the fixing part, the connector is fixedly connected with the rotating shaft of the car door pedal through the matching of the internal thread section and the external thread section, then the sliding hammer axially moves along the guide shaft and impacts the traction block to generate an axial inertia force to drive the rotating shaft of the car door pedal to move through the sliding hammer, and the dismounting work of the rotating shaft of the car door pedal can be finished by only one person through the dismounting device, so that the maintenance cost is effectively reduced; the inertia force generated by the sliding hammer drives the rotating shaft of the car door pedal to move more conveniently, so that the labor intensity is low, and the rotating shaft of the car door pedal is more convenient to disassemble;

furthermore, the guide shaft is inserted into the guide hole, so that the radial shaking of the guide shaft when the sliding hammer impacts the traction block is reduced, and the maximum traction force of the guide shaft on the rotating shaft of the vehicle door pedal is ensured.

Drawings

Fig. 1 is a schematic structural view of the detaching device of the present invention;

fig. 2 is a schematic structural view of a fixing part of the detaching device of the present invention;

in the figure: 10. the device comprises a guide shaft, 20, a traction block, 30, a sliding hammer, 40, a connector, 50, a base, 60, a screwing hand wheel, 70, a fixing rod, 80, a pressing block, 90 and a guide support;

a. door footboard axis of rotation.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the 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.

As shown in FIGS. 1-2, a device for removing a door pedal rotating shaft of a motor vehicle has a male screw section at an end of the door pedal rotating shaft a.

This dismounting device includes guiding axle 10, traction block 20, sliding hammer 30 and connector 40, connector 40 fixed connection or integrated into one piece are in the one end of guiding axle 10, connector 40 integrated into one piece of this embodiment is in the one end of guiding axle 10, the connecting hole has been seted up on connector 40, the inner wall of connecting hole is equipped with the internal thread section with the external screw thread section assorted of door footboard axis of rotation a, traction block 20 fixed connection or integrated into one piece are on guiding axle 10, traction block 20 integrated into one piece of this embodiment is on guiding axle 10, sliding hammer 30 sliding connection is on guiding axle 10, and sliding hammer 30 is located between connector 40 and traction block 20.

This dismounting device is still including the fixed part that is used for fixed door pedal, fixed part includes base 50, the hand wheel 60 of screwing, dead lever 70 and compact heap 80, hand wheel 60 fixed connection or integrated into one piece of screwing are on dead lever 70, the hand wheel 60 integrated into one piece of screwing of this embodiment is on dead lever 70, the through-hole has been seted up on the compact heap 80, compact heap 80 slidable cover is established on dead lever 70, the fixed orifices has been seted up on base 50, be equipped with fixed internal thread on the inner wall of fixed orifices, be equipped with on the dead lever 70 with fixed internal thread assorted fixed external screw thread. The fixing rod 70 is detachably coupled to the base 50 by the engagement of the fixing male screw and the fixing female screw.

In the present embodiment, two oppositely disposed tightening handwheels 60 are provided on the base 50 for fixing two ends of the door pedal.

In the embodiment, the tightening handwheel 60 and the pressing block 80 are located above the base 50 as an example.

The dismounting device also comprises a guide bracket 90, and a guide hole for the guide shaft 10 to pass through is formed in the guide bracket 90; the guide bracket 90 is fixedly connected to the base 50, the guide bracket 90 and the connector 40 are positioned on the same side of the pedal, and the guide hole is positioned in the axial direction of the guide shaft 10; the guide shaft 10 is inserted into the guide hole to reduce radial shaking of the guide shaft 10 when the sliding weight 30 hits the traction block 20, so that the maximum traction force of the guide shaft 10 on the door pedal rotation shaft a is ensured.

The use mode of the dismounting device is as follows: one end of the car door pedal is placed on the base 50, the pressing block 80 is abutted to the car door pedal, the pressing block 80 is driven to descend by rotating the screwing hand wheel 60 until the car door pedal is pressed on the base 50 by the pressing block 80, one end of the guide shaft 10 penetrates through the guide hole, then the connector 40 is fixedly connected with the car door pedal rotating shaft a through the matching of the internal thread section and the external thread section, the sliding hammer 30 slides, and the sliding hammer 30 moves axially along the guide shaft 10 and impacts the traction block 20 to generate axial inertia force to drive the car door pedal rotating shaft a to move.

In conclusion, the dismounting device can finish the dismounting work of the rotating shaft a of the vehicle door pedal by only one person, thereby effectively reducing the maintenance cost; and the inertia force generated by the sliding hammer 30 drives the rotating shaft a of the vehicle door pedal to move more conveniently, so that the labor intensity is low, and the rotating shaft a of the vehicle door pedal is more convenient to disassemble.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A dismounting device of a door pedal rotating shaft of a bullet train, wherein the end part of the door pedal rotating shaft is provided with an external thread section, and is characterized in that: this dismounting device includes guiding axle, traction block, sliding hammer and connector, connector fixed connection or integrated into one piece in the one end of guiding axle, the connecting hole has been seted up on the connector, the inner wall of connecting hole be equipped with external screw thread section assorted internal thread section, traction block fixed connection or integrated into one piece in on the guiding axle, sliding hammer sliding connection be in on the guiding axle, just sliding hammer is located the connector with between the traction block.

2. The dismounting device for the door pedal rotating shaft of the motor vehicle as claimed in claim 1, wherein: the dismounting device further comprises a fixing part used for fixing the car door pedal, the fixing part comprises a base, a screwing hand wheel, a fixing rod and a pressing block, the screwing hand wheel is fixedly connected with the fixing rod or is integrally formed on the fixing rod, the pressing block is sleeved on the fixing rod, a fixing hole is formed in the base, a fixing internal thread is arranged on the inner wall of the fixing hole, a fixing external thread matched with the fixing internal thread is arranged on the fixing rod, and the fixing rod passes through the fixing external thread and the fixing internal thread is matched and detachably connected to the base.

3. The dismounting device for the door pedal rotating shaft of the motor vehicle as claimed in claim 2, wherein: the dismounting device also comprises a guide support fixedly connected to the base, and a guide hole for the guide shaft to pass through is formed in the guide support.