CN219948041U - Pedal device of caravan - Google Patents

Abstract

The utility model discloses a pedal device of a motor caravan, which comprises a driving piece, a transmission mechanism and an extension ladder, wherein the driving piece is connected with the transmission mechanism, the transmission mechanism is connected with the extension ladder, the driving piece drives the transmission mechanism to move, and the transmission mechanism drives the extension ladder to stretch or shrink; the driving piece is started to rotate along the first direction to drive the transmission mechanism to move, the transmission mechanism drives the telescopic ladder to stretch to move to be in a step-type state, so that passengers can conveniently get on and off the caravan, and the problem that the passengers are inconvenient to get on and off the caravan due to the fact that the chassis of the caravan is higher is solved.

Description

Pedal device of caravan

Technical Field

The utility model relates to the technical field of motor caravan accessories, in particular to a pedal device of a motor caravan.

Background

The home car life is far away from home and leaves comfortable home, and in unfamiliar cities and places, the safety of the home car needs to be ensured, and the life privacy is not snooped at will, so that the travel of the home car can well meet the demands of people. The existing motor caravan has the disadvantages that the chassis of the motor caravan is high, so that the motor caravan is inconvenient to get on or off, especially when the motor caravan is accompanied by old people and children.

In view of the foregoing, it is desirable to provide a new foot pedal device for a motor caravan that overcomes the above-mentioned drawbacks.

Disclosure of Invention

The utility model aims to provide a pedal device of a caravan, which can facilitate passengers to get on and off the caravan, and can not cause the problem of inconvenience in the process of getting on and off the caravan due to the fact that the chassis of the caravan is higher.

In order to achieve the above purpose, the utility model provides a pedal device of a motor caravan, which comprises a driving piece, a transmission mechanism and an extension ladder, wherein the driving piece is connected with the transmission mechanism, the transmission mechanism is connected with the extension ladder, the driving piece drives the transmission mechanism to move, and the transmission mechanism drives the extension ladder to extend or retract.

Preferably, the transmission mechanism comprises a main wheel shaft and a slave wheel shaft, the main wheel shaft is connected with the driving piece, and a gear on the main wheel shaft is meshed with a gear on the slave wheel shaft.

Preferably, the transmission mechanism comprises a receiving box, the main wheel shaft and the auxiliary wheel shaft are both received in the receiving box, the shaft of the main wheel shaft extends to the outside of the receiving box to be connected with the driving piece, and the shaft of the auxiliary wheel shaft extends to the outside of the receiving box to be connected with the telescopic ladder.

Preferably, the main axle is perpendicular to the auxiliary axle.

Preferably, a main follower and a slave follower are mounted on the side wall of the container, the shaft of the main wheel shaft passes through the main follower to be connected with the driving member, and the shaft of the slave wheel shaft passes through the slave follower to be connected with the telescopic ladder.

Preferably, the pedal device of the caravan further comprises a push-pull piece, and the push-pull piece is connected with the telescopic ladder.

Preferably, the pedal device of the caravan further comprises a controller, wherein the controller is electrically connected with the driving piece, and the controller is installed in the caravan.

Compared with the prior art, the beneficial effects are that: the driving piece is started to rotate along the first direction to drive the transmission mechanism to move, the transmission mechanism drives the telescopic ladder to stretch to move to be in a step-type state, so that passengers can conveniently get on and off the caravan, and the problem that the passengers are inconvenient to get on and off the caravan due to the fact that the chassis of the caravan is higher is solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a perspective view of a pedal device of a caravan.

Fig. 2 is a schematic view of a part of a transmission mechanism of the pedal device of the caravan shown in fig. 1.

Reference numerals: 1. a driving member; 2. a transmission mechanism; 21. a main wheel shaft; 22. a slave axle; 23. packaging the container; 231. a case; 232. a case cover; 233. a main follower; 234. a slave follower; 3. a telescopic ladder; 4. a push-pull member; 5. and a controller.

Detailed Description

In order to make the objects, technical solutions and advantageous technical effects of the present utility model more apparent, the present utility model will be further described in detail with reference to the accompanying drawings and detailed description. It should be understood that the detailed description is intended to illustrate the utility model, and not to limit the utility model.

It is to be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

It should also be noted that unless explicitly stated or limited otherwise, terms such as "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. It will be apparent to those skilled in the art that the terms described above have the particular meaning in the present utility model, as the case may be.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. Furthermore, the meaning of "a plurality of", "a number" means two or more, unless specifically defined otherwise.

Referring to fig. 1 to 2, the utility model provides a pedal device of a caravan, which comprises a driving piece 1, a transmission mechanism 2 and an extension ladder 3, wherein the driving piece 1 is connected with the transmission mechanism 2, the transmission mechanism 2 is connected with the extension ladder 3, the driving piece 1 drives the transmission mechanism 2 to move, and the transmission mechanism 2 drives the extension ladder 3 to extend or retract. In this embodiment, the driving member 1 is a servo motor.

Thus, when the driving piece 1 starts to rotate along the first direction to drive the transmission mechanism 2 to move, the transmission mechanism 2 drives the extension ladder 3 to extend to be in a step state, so that passengers can conveniently get on and off the caravan, the problem of inconvenience in the process of getting on and off the caravan due to higher vehicle chassis of the caravan is avoided,

after the passengers get on or off the vehicle, the driving piece 1 starts to rotate along the second direction to drive the transmission mechanism 2 to move, and the transmission mechanism 2 drives the telescopic ladder 3 to shrink to move to be in a flat plate state.

The transmission mechanism 2 comprises a main wheel shaft 21 and a driven wheel shaft 22, the main wheel shaft 21 is connected with the driving piece 1, a gear on the main wheel shaft 21 is meshed with a gear on the driven wheel shaft 22, and when the driving piece 1 drives the main wheel shaft 21 to rotate, the gear on the main wheel shaft 21 drives the driven wheel shaft 22 to rotate. The gear on the main wheel shaft 21 is meshed with the gear on the auxiliary wheel shaft 22, so that the precise operation of the driving shaft and the auxiliary wheel shaft 22 is realized, and the extension movement or the contraction movement of the telescopic ladder 3 is precisely driven. In this embodiment, the main axle 21 and the auxiliary axle 22 are vertically distributed, so that the problem that the chassis space of the caravan is excessively occupied due to the excessively long overall design length of the pedal device of the caravan can be avoided.

The transmission mechanism 2 comprises a receiving box 23, the main wheel shaft 21 and the auxiliary wheel shaft 22 are both received in the receiving box 23, the shaft of the main wheel shaft 21 extends to the outside of the receiving box 23 to be connected with the driving piece 1, and the shaft of the auxiliary wheel shaft 22 extends to the outside of the receiving box 23 to be connected with the telescopic ladder 3. By such a design, the assembly of the driving element 1, the main wheel shaft 21, the auxiliary wheel shaft 22 and the extension ladder 3 is facilitated. Specifically, the container 23 includes a case 231 and a case cover 232, and the main axle 21 and the auxiliary axle 22 are both contained in the case 231.

A main follower 233 and a slave follower 234 are mounted on the side wall of the housing case 23, the shaft of the main wheel shaft 21 is connected to the driving element 1 through the main follower 233, and the shaft of the slave wheel shaft 22 is connected to the extension ladder 3 through the slave follower 234. In this embodiment, the master follower 233 and the slave follower 234 are bearings. In this way, by designing the master follower 233 and the slave follower 234 on the side walls of the case 231 of the receiving case 23, the running of the master shaft 21 and the slave shaft 22 can be made smoother, and the friction force can be reduced.

The pedal device of the caravan further comprises a push-pull piece 4, and the push-pull piece 4 is connected with the telescopic ladder 3. In this embodiment, the push-pull member 4 is an air cylinder, and in other embodiments, the push-pull member 4 may be a ball screw.

When a passenger needs to get on or off the car, the push-pull piece 4 pushes the telescopic ladder 3 to move towards the outside of the caravan, after the passenger gets on or off the car, the transmission mechanism 2 drives the telescopic ladder 3 to retract and move to be in a flat plate state, and the push-pull piece 4 pulls the telescopic ladder 3 to be recycled into the caravan.

The pedal device of the caravan further comprises a controller 5, the controller 5 is electrically connected with the driving piece 1, and the controller 5 is installed in the caravan and used for controlling the start, stop and steering of the driving piece 1. The controller 5 is a motor controller.

When in use, the controller 5 on the caravan sends an instruction to the driving part, so that the driving part 1 starts to rotate along the first direction to drive the transmission mechanism 2 to move, the transmission mechanism 2 drives the extension ladder 3 to extend to be in a step state, at the moment, passengers can conveniently get on and off the caravan, the problem of inconvenience in the process of getting on and off the caravan due to higher vehicle chassis of the caravan is avoided,

after the passengers get on or off the motor home, a command is sent to the driving part through the controller 5 on the motor home, so that the driving part 1 starts to rotate along the second direction to drive the transmission mechanism 2 to move, the transmission mechanism 2 drives the telescopic ladder 3 to shrink and move to be in a flat plate state, and finally the telescopic ladder 3 is pulled by the push-pull part 4 to be recovered into the motor home.

The present utility model is not limited to the details and embodiments described herein, and thus additional advantages and modifications may readily be made by those skilled in the art, without departing from the spirit and scope of the general concepts defined in the claims and the equivalents thereof, and the utility model is not limited to the specific details, representative apparatus and examples shown and described herein.

Claims (7)

1. The utility model provides a pedal device of motor caravan, its characterized in that includes driving piece (1), drive mechanism (2) and extension ladder (3), driving piece (1) are connected with drive mechanism (2), drive mechanism (2) with extension ladder (3) are connected, driving piece (1) drive mechanism (2) motion, drive mechanism (2) drive extension ladder (3) extension motion or shrink motion.

2. The pedal device of a caravan according to claim 1, characterized in that the transmission mechanism (2) comprises a main axle (21) and a slave axle (22), the main axle (21) is connected with the driving member (1), and the gear on the main axle (21) is meshed with the gear on the slave axle (22).

3. The pedal device of a caravan as claimed in claim 2, wherein the transmission mechanism (2) comprises a receiving box (23), the main axle (21) and the auxiliary axle (22) are both received in the receiving box (23), the axle of the main axle (21) extends to the outside of the receiving box (23) and is connected with the driving member (1), and the axle of the auxiliary axle (22) extends to the outside of the receiving box (23) and is connected with the telescopic ladder (3).

4. The pedal device of a caravan according to claim 2, characterized in that said main axle (21) is distributed perpendicular to said auxiliary axle (22).

5. A pedal device for a motor caravan as claimed in claim 3, characterized in that a main follower (233) and a slave follower (234) are mounted on the side wall of the housing box (23), the shaft of the main axle (21) passing through the main follower (233) is connected with the driving member (1), and the shaft of the slave axle (22) passing through the slave follower (234) is connected with the telescopic ladder (3).

6. The pedal device of a caravan according to claim 1, characterized in that it further comprises a push-pull member (4), said push-pull member (4) being connected with the telescopic ladder (3).

7. The pedal device of a caravan according to claim 1, characterized in that it further comprises a controller (5), said controller (5) being electrically connected to the driving element (1).