CN215663153U

CN215663153U - Lifting mechanism for motor home

Info

Publication number: CN215663153U
Application number: CN202122154871.7U
Authority: CN
Inventors: 方思润
Original assignee: Jieyang Tiantong Electromechanical Equipment Co ltd
Current assignee: Jieyang Tiantong Electromechanical Equipment Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-01-28
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a lifting mechanism for a caravan, which comprises a fixed seat, a lifting seat and a driving rod, wherein the driving rod is arranged between the fixed seat and the lifting seat, a first driving block and a second driving block are rotatably arranged on the driving rod, first lifting rods are respectively arranged between the first driving block and the fixed seat, second lifting rods are respectively arranged between the first driving block and the lifting seat, the driving rod drives the first driving block and the second driving block to move oppositely, so that the first driving block and the second driving block are linked with the first lifting rod and the second lifting rod to lift the lifting seat, and a supporting device is arranged between the first lifting rod and the second lifting rod. The utility model has the advantages of simple structure, large lifting force, high lifting precision and strong bearing capacity.

Description

Lifting mechanism for motor home

Technical Field

The utility model relates to the technical field of motor homes, in particular to a lifting mechanism for a motor home.

Background

Most motor homes are subject to height limitations and typically employ a ceiling-type vehicle. Namely, in the driving state, the roof is lowered to the roof lowering state, so that the whole height of the carriage is reduced and the trafficability characteristic is better. And in the parking state, the top cover rises to the top lifting state, so that the carriage has a large space.

At present, the lifting of the carriage top cover is realized by a lifting mechanism arranged in front and at back, and the lifting mechanism is mostly driven by an air cylinder, an electric push rod and the like. Because the car as a house elevating system can't be in on the same horizontal plane around certain error leads to appearing easily in the course of the work, however present car as a house elevating system does not possess autonomic regulatory function, leads to having lifting error in the use, and long-term use can lead to car as a house elevating system to lose efficacy easily, is difficult for the maintenance.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the embodiment of the utility model is to provide a lifting mechanism for a caravan, which has the advantages of simple structure, large lifting force, high lifting precision and strong bearing capacity.

In order to achieve the purpose, the utility model discloses a lifting mechanism for a caravan, which comprises a fixed seat, a lifting seat and a driving rod, wherein the driving rod is arranged between the fixed seat and the lifting seat, a first driving block and a second driving block are rotatably arranged on the driving rod, first lifting rods are respectively arranged between the first driving block and the fixed seat, second lifting rods are respectively arranged between the first driving block and the lifting seat, the driving rod drives the first driving block and the second driving block to move oppositely, so that the first driving block and the second driving block are linked with the first lifting rod and the second lifting rod to lift the lifting seat, and a supporting device is arranged between the first lifting rod and the second lifting rod.

Preferably, the device further comprises a driving device, an output shaft of the driving device is fixedly connected with the driving rod through a coupler, and the driving rod is driven to rotate by the driving device.

Preferably, the supporting device comprises a first connecting rod, a second connecting rod and a pin shaft, wherein one end of the first connecting rod is hinged to the outer wall of the first lifting rod, one end of the second connecting rod is hinged to the outer wall of the second lifting rod, and the other ends of the first connecting rod and the second connecting rod are hinged to the pin shaft.

Preferably, the middle part of the pin shaft is provided with a through hole for the coupler to pass through.

Preferably, the pin is fixedly arranged on the driving device.

Preferably, the device further comprises a speed regulation module, wherein the speed regulation module is electrically connected with the driving device, and the speed regulation module is used for regulating the rotating speed of the driving device.

Preferably, the device further comprises a control module, the driving device and the speed regulating module are respectively electrically connected with the control module, and the control module controls the driving device and the speed regulating module to work.

Preferably, the driving rod is linked with one end of the driving device, a limiting block is fixedly arranged at one end of the driving device, and the limiting block is matched with the first limiting block in a stopping manner

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

the lifting seat is driven to lift in a bidirectional screw rod mode, so that the lifting precision of the lifting seat is improved, and meanwhile, the lifting seat is enabled to be more uniform in stress and larger in lifting force.

The first connecting rod and the second connecting rod are connected between the first lifting rod and the second lifting rod and the pin shaft, so that the first lifting rod and the second lifting rod are driven to swing around the pin shaft when moving, the lifting seat is better supported, and the bearing capacity of the lifting seat is improved.

The driving device is provided with a speed regulator, so that the lifting height and the lifting speed of the lifting seat can be accurately controlled.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the drive rod;

fig. 3 is a schematic structural view of the pin.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, a lifting mechanism for a caravan includes a fixed base 1, a lifting base 2, a driving rod 3, and a driving device 4.

Referring to fig. 2, in this embodiment, the fixing base is fixed to a compartment of a caravan, and the lifting base is fixed to a bottom of a roof of the caravan. The driving rod 3 is arranged between the fixed seat 1 and the lifting seat 2, the driving rod 3 is rotatably provided with a first driving block 31 and a second driving block 32, in this embodiment, the driving rod 3 preferably adopts a bidirectional screw rod, so that the first driving block 31 and the second driving block 32 are in threaded connection with the driving rod 3, the first lifting rod 11 and the first lifting rod 12 are respectively arranged between the first driving block 31 and the fixed seat 1 and between the second driving block 31 and the lifting seat 2, the second lifting rod 21 and the second lifting rod 22 are respectively arranged between the first driving block 31 and the second driving block 32, the output shaft of the driving device 4 is fixedly connected with the driving rod 3 through a coupler 5, the driving device 4 preferably adopts a stepping motor, the driving rod 3 is driven to rotate through the driving device 4 and is linked with the first driving block 31 and the second driving block 32 to move oppositely, so that the first lifting rod 11, the second lifting rod 12 and the second lifting rod 21 and the second lifting rod 22 are linked to lift the lifting seat 2, the mode drive lift seat automatic rising of two-way screw rod is adopted to this embodiment, makes and keeps synchronous between first, the second lifter to improve the lift precision of lift seat, the lifting strength is bigger, guarantees simultaneously that the lift seat atress is more even.

Referring to fig. 1-3, a supporting device 6 is disposed between the first and

second lifting rods

11, 21, the supporting device 6 includes a first connecting rod 61, a second connecting rod 62, and a pin 63, one end of the first connecting rod 61 is hinged to the outer wall of the middle portion of the first lifting rod 11, one end of the second connecting rod 62 is hinged to the outer wall of the middle portion of the second lifting rod 21, the other ends of the first and second connecting

rods

61, 62 are hinged to the end portion of the pin 63, the middle portion of the pin 63 has a through hole for the coupling 5 to pass through, and the outer periphery of one side of the pin 63 adjacent to the driving device 4 is a plane 631, thereby be convenient for the round pin axle fixed set up on drive arrangement 4, when lift seat 2 lifting under the drive of actuating lever 3, make first,

second lifter

11, 21 linkage first, second connecting

rod

61, 62 swing around round pin axle 63 to make lift seat 2 obtain better support, improve lift seat's bearing capacity.

The one end of actuating lever 3 that is close to shaft coupling 5 is fixed and is provided with the stopper, and the stopper ends a cooperation with first drive block 31, and at the lift in-process as seat 2, the terminal surface of first drive block 31 supports on the terminal surface of stopper, makes drive arrangement 4's resistance grow stop work, perhaps this embodiment still can be through the rotation number of turns of setting for the motor, the stroke of the step number control first, second drive block 31 of advancing of motor, 32 to the lift height of accurate control lifter plate.

The utility model also comprises a speed regulating module and a control module, wherein the speed regulating module is electrically connected with the driving device 4, the speed regulating module preferably adopts a speed regulator, the driving device 4 and the speed regulating module are respectively and electrically connected with the control module, the control module controls the driving device 4 to start and close so as to realize automatic lifting, and the control module adjusts the rotating speed of the driving device so as to realize accurate control of the lifting height and the lifting speed of the lifting seat.

It should be understood that the above-mentioned embodiments are merely illustrative of the technical concept and features of the present invention, and are not intended to limit the scope of the present invention, which is defined by the following claims.

Claims

1. The utility model provides a elevating system for car as a house, a serial communication port, including fixing base, lift seat, actuating lever, the actuating lever set up in the fixing base with between the lift seat, it is provided with first drive block, second drive block to rotate on the actuating lever, first, second drive block with be provided with first lifter between the fixing base respectively, first, second drive block with be provided with the second lifter between the lift seat respectively, by the actuating lever drive first, second drive block opposite movement makes first, second drive block linkage first, second lifter will the lift seat lifts up, be provided with strutting arrangement between first, the second lifter.

2. The lifting mechanism for the caravan of claim 1, further comprising a driving device, wherein an output shaft of the driving device is fixedly connected with the driving rod through a coupling, and the driving rod is driven to rotate by the driving device.

3. The lifting mechanism for the caravan of claim 2, wherein the supporting device comprises a first connecting rod, a second connecting rod and a pin, one end of the first connecting rod is hinged to the outer wall of the first lifting rod, one end of the second connecting rod is hinged to the outer wall of the second lifting rod, and the other ends of the first connecting rod and the second connecting rod are hinged to the pin.

4. The lifting mechanism for caravan of claim 3, wherein a central portion of the pin has a through hole for passing the coupling therethrough.

5. The lifting mechanism for caravan of claim 3, wherein the pin is fixedly provided on the driving device.

6. The lifting mechanism for the caravan of claim 2, further comprising a speed regulation module, wherein the speed regulation module is electrically connected with the driving device, and the speed regulation module regulates the rotation speed of the driving device.

7. The lifting mechanism for the caravan of claim 6, further comprising a control module, wherein the driving device and the speed regulation module are electrically connected with the control module respectively, and the control module controls the driving device and the speed regulation module to work.

8. The lifting mechanism for the caravan of claim 2, wherein the driving rod is linked with one end of the driving device, a limiting block is fixedly arranged at one end of the driving rod, and the limiting block is in stop fit with the first limiting block.