CN219821135U - Connecting device and caravan - Google Patents

Abstract

The utility model provides a connecting device and a motor home, and relates to the technical field of motor home. The first connecting structure comprises a rotating head, and the second connecting structure comprises a shell, a sliding piece and a locking piece. The locking piece is movably arranged on the shell, and the sliding piece is arranged on the shell in a sliding manner, so that the sliding piece can slide back and forth between a locking position and an unlocking position. The connecting device can be used for a motor home, the driving part of the motor home is connected with the rotating head, the carrying part is connected with the shell, and the driving part can drive the carrying part to walk and turn. In the installation process, the rotating head firstly stretches into the shell, the sliding piece slides to the locking position, and then the locking piece moves relative to the shell to be clamped with the sliding piece, so that the installation is completed. In the disassembly process, the locking piece is separated from the sliding piece firstly, then the sliding piece is slid to the unlocking position, the rotating head and the shell can be disassembled and separated, and the whole process does not need tools, so that the disassembly and the assembly are rapid and convenient, and time and labor are saved.

Description

Connecting device and caravan

Technical Field

The utility model relates to the technical field of motor home, in particular to a connecting device and a motor home.

Background

The motor home is a modern common vehicle, and living facilities and articles in the motor home are all good, so that the motor home can be used for people at home or traveling. The car is mainly composed of a tractor, a connecting part and a carriage, wherein the tractor is rotationally connected to the carriage through the connecting part, so that the tractor can pull the carriage to turn through the connecting part. However, there are problems in the connection part of the current caravan, such as the trailer-type caravan with the bulletin number of CN210970574U, the connection part is composed of two rotating parts and a rotating shaft, in the installation process, the rotating shaft needs to be threaded through the two rotating parts, and then a tool is used to assemble the rotating shaft and the two rotating parts; when dismantling, need use the instrument to unlock the pivot, take the pivot out again, the dismouting is troublesome, wastes time and energy.

Disclosure of Invention

In view of the above, it is necessary to provide a connecting device and a motor home, which solve the technical problems of troublesome assembly and disassembly of the connecting part of the motor home and time and labor waste in the prior art.

In order to achieve the above technical object, the present utility model provides a connection device, including:

a housing having a rotation groove;

the rotating head can be rotatably inserted into the rotating groove;

the sliding piece is connected to the shell in a sliding way and can slide back and forth between a locking position and an unlocking position of the shell, the sliding piece can limit the rotating head to be separated from the rotating groove when in the locking position, and the sliding piece can release the limit on the rotating head when in the unlocking position;

and the locking piece is connected to the shell and can be clamped with the sliding piece at the locking position or separated from the sliding piece.

In one embodiment, the housing has a first ball groove and the slider has a second ball groove, the first ball groove and the second ball groove being engageable to form the rotational groove when the slider is in the locked position.

In one embodiment, a sliding groove is formed in the shell, the sliding piece is arranged in the sliding groove in a sliding mode, the connecting device further comprises a reset piece, the reset piece is arranged in the sliding groove, and two ends of the reset piece are connected with the sliding piece and the shell; the sliding piece can drive the reset piece to accumulate reset force when in the unlocking position, and the reset piece can release the reset force to drive the sliding piece to slide to the locking position.

In one embodiment, the restoring member is a spring, the spring is sleeved on the sliding member, and the restoring force is an elastic force.

In one embodiment, a limiting boss is arranged at one end of the sliding piece far away from the rotating head, the sliding piece can rotate relative to the shell to enable the limiting boss to be staggered relative to the sliding groove, so that the sliding piece is positioned at the unlocking position, and the reset piece accumulates reset force; the sliding piece can also rotate relative to the shell to enable the limiting boss to be correspondingly matched with the sliding groove, so that the reset force is released to drive the sliding piece to slide to the locking position.

In one embodiment, the locking element is rotatably disposed on the housing, and the locking element can rotate relative to the housing to be clamped to the sliding element or be separated from the sliding element.

In one embodiment, a side of the slider facing the locking element has a notch, the slider being configured to be able to be located in the locking position so that the locking element rotates to be located in the notch to be snapped into the slider; the locking element is configured to be rotatable out of the notch to unlock the slider.

In one embodiment, the locking element is provided with a torsion spring, and the torsion spring can accumulate elastic force when the locking element rotates to be separated from the notch; the torsion spring can release the elastic force to drive the locking piece to rotate to be positioned in the notch.

In one embodiment, the connecting device further comprises a handle, the handle is in threaded connection with the sliding piece, the handle is located outside the shell, and the handle can drive the sliding piece to slide back and forth relative to the shell.

The utility model also provides a motor home, which comprises a driving device, a carrying device and the connecting device, wherein one of the driving device and the carrying device is connected with the shell, and the other is connected with the rotating head.

Compared with the prior art, the utility model has the beneficial effects that: the connecting device can be used for a motor home, the driving part of the motor home is connected with the rotating head, the carriage of the motor home is connected with the shell, and the driving part can drive the carriage to walk and turn. In the installation process, the rotating head stretches into the shell, the sliding piece slides to the locking position, the rotating groove formed by the sliding piece and the shell is in rotating fit with the rotating head, and then the locking piece moves relative to the shell and is clamped on the sliding piece, so that the sliding piece is completely fixed at the locking position. In the disassembly process, the locking piece is firstly moved relative to the shell to be separated from the sliding piece, then the sliding piece is slid to the unlocking position, the rotating head can be disassembled and separated from the shell, and the whole process does not need tools, so that the disassembly and the assembly are rapid and convenient, and time and labor are saved.

Drawings

FIG. 1 is a schematic view of a connecting device according to the present utility model;

FIG. 2 is a schematic cross-sectional view of the connecting device of the present utility model;

FIG. 3 is a schematic cross-sectional view of a second connecting structure according to the present utility model;

FIG. 4 is a schematic view of the structure of the housing of the present utility model;

FIG. 5 is a schematic view of a slider according to the present utility model;

fig. 6 is a schematic structural view of the locking element of the present utility model.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily apparent, a more particular description of the utility model briefly described above will be rendered by reference to the appended drawings. It is apparent that the specific details described below are only some of the embodiments of the present utility model and that the present utility model may be practiced in many other embodiments that depart from those described herein. Based on the embodiments of the present utility model, all other embodiments obtained by a person of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

The utility model provides a motor home which can be used for a user to take a tour or living at home. The motor home comprises a driving part (cab), a connecting device and a carriage, wherein the driving part is connected to the carriage through the connecting device, the driving part can provide a power source, and the carriage is pulled to walk through the connecting device. When the car is required to move, the user can operate the driving part. When the car is not required to move, the user can sit in the carriage to live, and various living facilities such as a bed, a refrigerator, an air conditioner and the like are arranged in the carriage, so that the user can live conveniently.

The connecting device is used for connecting the driving part with the carriage so that the driving part drives the carriage to walk, and even in the turning process, the driving part can drive the carriage to flexibly turn, so that the running is smooth. In addition, the connecting device does not need to use tools during disassembly and assembly, and is quick and convenient to disassemble and assemble, time-saving and labor-saving, and good in user experience.

Referring to fig. 1 to 3, the connection device 100 includes a first connection structure 101 and a second connection structure 102, the first connection structure 101 is connected to the driving part, and the second connection structure 102 is connected to the cabin. Alternatively, in other embodiments, the first connection structure 101 is connected to the cabin, and the second connection structure 102 is connected to the driving part, which is not limited herein.

The first connection structure 101 and the second connection structure 102 are detachably connected in a rotating manner, and when the first connection structure 101 and the second connection structure 102 are connected in a rotating manner, the driving part is connected with the carriage in a rotating manner, so that the driving part can drive the carriage to walk and turn. When the first connection structure 101 and the second connection structure 102 are detached, the driving part or the cabin can be replaced.

Referring to fig. 2, the first connection structure 101 includes a rotating head 1011 and a connecting rod 1012, the rotating head 1011 and the connecting rod 1012 are integrally formed, and in other embodiments, the rotating head 1011 and the connecting rod 1012 may be detachably connected, such as a screw connection or the like.

One end of the connecting rod 1012 away from the rotating head 1011 is used for connecting with the driving part, so that the driving part is rotationally connected with the second connecting structure 102 through the connecting rod 1012 and the rotating head 1011, and the driving part can drive the carriage to turn.

The rotating head 1011 is spherical and is used for being rotationally connected with the second connecting structure 102, so that the rotating head 1011 can rotate in a plurality of directions relative to the second connecting structure 102, the driving part is smoother in the process of driving the carriage to turn, the abrasion to parts is smaller, and the service life of the parts is long.

It will be appreciated that in other embodiments, the rotating head 1011 may also be in a rod shape, and the rotating head 1011 of this embodiment may rotate around its central axis, so that the driving part can rotate around the central axis of the rotating head 1011 in the process of driving the vehicle cabin to turn.

Referring to fig. 3, the second connection structure 102 includes a housing 1, a sliding member 2, a locking member 3, a resetting member 4 and a handle 5, wherein the locking member 3 is rotatably disposed on the housing 1, the sliding member 2 is slidably disposed on the housing 1, the resetting member 4 is sleeved on the sliding member 2, and the handle 5 is in threaded connection with the sliding member 2.

The housing 1 has a first ball groove 11 on the side facing the rotary head 1011, the first ball groove 11 being recessed away from the rotary head 1011. The first ball groove 11 is adapted to be in rotational engagement with the rotary head 1011 such that the rotary head 1011 and the housing 1 can be rotated relative to each other.

The casing 1 is provided with a sliding groove 12, the sliding groove 12 is communicated with the first ball groove 11, and the sliding groove 12 is used for accommodating the sliding piece 2 so that the sliding piece 2 can slide back and forth along the length extending direction of the sliding groove 12.

Referring to fig. 4, the housing 1 is provided with a limit opening 13 at an end remote from the rotating head 1011, and the limit opening 13 communicates with the chute 12 and the outside of the housing 1. The two opposite sides of the limiting opening 13 are parallel to each other, and the two opposite sides are arc-shaped, and in other embodiments, the limiting opening 13 may be provided with other non-circular shapes such as an ellipse or a diamond, which are not limited herein.

The housing 1 further has a mounting boss 14, the mounting boss 14 being used for a vehicle cabin, the mounting boss 14 and the vehicle cabin being connected by a fixing means such as welding, or being detachably connected by a screw connection or the like, and is not limited thereto.

The housing 1 is provided with a rotation cavity 15, and the rotation cavity 15 is provided for installing the locking element 3, so that the locking element 3 rotates relative to the housing 1 in the rotation cavity 15.

The slider 2 is capable of sliding back and forth along the length extension of the chute 12 to switch between a locked position and an unlocked position. When the sliding member 2 is located at the locking position, the sliding member 2 can cooperate with the housing 1 to clamp the rotating head 1011 so as to limit the rotating head 1011 and prevent the rotating head 1011 from being separated from the housing 1.

Referring to fig. 3, the slider 2 has a second ball groove 21 near one end of the rotating head 1011, when the slider 2 is located at the locking position, the second ball groove 21 is engaged with the first ball groove 11 of the housing 1 to form a rotating groove, and the rotating groove is approximately spherical and is adapted to the shape of the rotating head 1011, so that the rotating head 1011 can rotate in multiple directions in the rotating groove, and the driving part drives the carriage to be smoother during turning.

Besides being capable of rotating in cooperation with the rotating head 1011, the rotating groove can also play a limiting role on the rotating head 1011, so that the rotating head 1011 can be limited from being separated from the shell 1, and the dangerous situation that the driving part is separated from the carriage in the running process is avoided.

The slider 2 can also slide to the unlock position in a direction away from the rotating head 1011, and at this time, the second ball groove 21 of the slider 2 is disengaged from the rotating head 1011, the restriction on the rotating head 1011 is released, and the rotating head 1011 can be disengaged from the housing 1 to complete the disassembly.

Referring to fig. 3, a side of the slider 2 facing the locking element 3 has a notch 22, when the slider is located at the locking position and abuts against the rotating head 1011, the notch 22 corresponds to the position of the locking element 3, and when the locking element 3 is rotated relative to the housing 1, a part of the locking element 3 can be rotated to be located in the notch 22, so that the locking element 3 is clamped to the slider 2, and the slider 2 is fixed at the locking position. The sliding part 2 is locked by the locking part 3, so that the sliding part 2 is beneficial to limiting and stabilizing the rotating head 1011 in the running process of the vehicle, and the rotating head 1011 is not easy to separate from the shell 1, thereby causing traffic accidents.

When it is necessary to disassemble the rotating head 1011, the locking member 3 can be rotated to the disengagement notch 22 to unlock the slider 2, at which time the slider 2 can be slid to the unlock position in a direction away from the rotating head 1011. The slider 2 unlocks the rotating head 1011, and the rotating head 1011 can be detached from the housing 1.

The end of the sliding member 2 close to the rotating head 1011 is provided with a guiding surface 23, and the rotating head 1011 can be firstly abutted against the guiding surface 23 to press the sliding member 2 to slide away from the rotating head 1011 in the installation process, at this time, the sliding member 2 drives the resetting member 4 to accumulate the resetting force, and after the rotating head 1011 enters the first ball groove 11, the resetting member 4 releases the resetting force to drive the sliding member 2 to slide towards the rotating head 1011, so that the second ball groove 21 of the sliding member 2 is tightly attached to the rotating head 1011. Therefore, by providing the guide surface 23, the quick installation of the rotary head 1011 is facilitated, and time and labor are saved.

Referring to fig. 4 and 5, the end of the slider 2 remote from the rotating head 1011 has a limit boss 24, and the limit boss 24 protrudes along both sides in the radial direction of the slider 2. Two opposite sides of the limiting boss 24 are parallel to each other, and the other two opposite sides are arc-shaped, and the shape of the limiting boss is matched with the shape of the limiting opening 13 of the shell 1, so that the limiting boss 24 can penetrate through the limiting opening 13 to enter the sliding groove 12 or be separated from the sliding groove 12 to be positioned outside the shell 1.

In the process of disassembling the rotating head 1011, a user can hold the sliding part 2 by hand, firstly, slide the sliding part 2 back to the rotating head 1011 until the limiting boss 24 penetrates through the limiting opening 13 to be positioned outside the shell 1, at this time, the sliding part 2 is unlocked to the rotating head 1011, and then the sliding part 2 rotates relative to the shell 1, so that the limiting boss 24 and the limiting opening 13 are dislocated relatively, and the sliding part 2 can be prevented from sliding automatically towards the direction of the rotating head 1011, at this time, the user does not need to hold the sliding part 2 again, and the user's hands are liberated.

The restoring member 4 of the embodiment shown in fig. 2 is a spring, and the restoring force formed by the restoring member 4 is an elastic force. The spring is sleeved on the slider 2, and both ends of the spring are abutted against the slider 2 and the housing 1 (the bottom of the chute 12). When the slider 2 slides to the unlock position, the slider 2 presses against the spring to accumulate the elastic force, and the spring can release the elastic force to drive the slider 2 to slide to the lock position.

It will be appreciated that in other embodiments, the restoring member 4 may be replaced by two magnetic attraction members, and the restoring force generated by the restoring member 4 is magnetic. One of the magnetic attraction pieces is arranged on the sliding piece 2, and the other magnetic attraction piece is arranged at the bottom of the chute 12. When the slider 2 slides away from the rotating head 1011, the two magnetic attraction members approach each other to accumulate magnetic repulsive force. When the slider 2 is not subjected to external force, the two magnetic attraction members can release the magnetic repulsive force to drive the slider 2 to slide toward the rotating head 1011.

The handle 5 is in threaded connection with one end of the sliding member 2 far away from the rotating head 1011, and a user can hold the handle 5 so as to drive the sliding member 2 to slide back and forth, and switch back and forth between the locking position and the unlocking position. In other embodiments, the handle 5 and the sliding member 2 may be detachably connected by other manners, such as a snap connection, or the handle 5 and the sliding member 2 may be integrally formed, which is not limited herein.

The locking element 3 is rotatably arranged in a rotating cavity 15 of the housing 1, so that the locking element 3 can rotate relative to the housing 1 to be clamped with the sliding element 2 in the locking position or be separated from the unlocking sliding element 2.

The locking element 3 has a corner 31, and the corner 31 of the embodiment shown in fig. 2 is completely located in the rotation cavity 15, and at this time, the locking element 3 is clamped in the notch 22 of the sliding element 2 to lock the sliding element 2, so that the sliding element 2 is fixed in the locking position.

When the locking element 3 is turned with its unfilled corner 31 facing the notch 22 of the slider 2, the locking element 3 is completely disengaged from the notch 22 of the slider 2, at which time the slider 2 is unlocked, and the user can pull the slider 2 through the handle 5 to slide to the unlocked position, thereby removing the turning head 1011.

Referring to fig. 6, the locking member 3 is further coupled with a torsion spring 6, and when the locking member 3 rotates to be separated from the notch 22 of the slider 2, the torsion spring 6 accumulates elastic force. When the locking piece 3 is not subjected to external force, the torsion spring 6 can release elastic force to drive the locking piece 3 to rotate so as to automatically reset. Therefore, the torsion spring 6 can further limit the locking member 3 to automatically rotate when being clamped to the sliding member 2 to unlock the sliding member 2, thereby providing a safety function.

When the connecting device 100 of the present utility model needs to be disassembled, only the locking element 3 needs to be turned first to be separated from the sliding element 2, and then the sliding element 2 is pulled to slide to the unlocking position by holding the handle 5. When the locking piece 3 is installed, the locking piece 3 is only required to be rotated to be completely positioned in the rotating cavity 15, the rotating head 1011 is directly inserted into the rotating groove, and then the locking piece 3 is released, so that the whole dismounting process is quick and convenient, no tool is required, and time and labor are saved. In addition, the rotating head 1011 and the rotating groove are spherical, and can rotate relatively in a plurality of directions, so that the driving part is smoother when driving the carriage to turn.

Finally, it should be noted that the connection device 100 of the present utility model is only described in detail for application to a motor home, and is not exhaustive, and other products and applications that can use the connection device 100 are within the scope of the present utility model.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that modifications, substitutions and improvements can be made by those skilled in the art without departing from the spirit of the utility model, and are intended to be within the scope of the utility model. Accordingly, the protection scope of the present utility model is subject to the claims.

Claims (10)

1. A connection device, comprising:

a housing having a rotation groove;

the rotating head can be rotatably inserted into the rotating groove;

the sliding piece is connected to the shell in a sliding way and can slide back and forth between a locking position and an unlocking position of the shell, the sliding piece can limit the rotating head to be separated from the rotating groove when in the locking position, and the sliding piece can release the limit on the rotating head when in the unlocking position;

and the locking piece is connected to the shell and can be clamped with the sliding piece at the locking position or separated from the sliding piece.

2. The connection device of claim 1, wherein the housing has a first ball groove and the slider has a second ball groove, the first ball groove and the second ball groove being engageable to form the rotational groove when the slider is in the locked position.

3. The connecting device according to claim 1, wherein a chute is arranged in the housing, the sliding piece is slidably arranged in the chute, the connecting device further comprises a resetting piece, the resetting piece is arranged in the chute, and two ends of the resetting piece are connected with the sliding piece and the housing; the sliding piece can drive the reset piece to accumulate reset force when in the unlocking position, and the reset piece can release the reset force to drive the sliding piece to slide to the locking position.

4. A connecting device according to claim 3, wherein the return member is a spring, the spring is sleeved on the sliding member, and the return force is an elastic force.

5. The connection device according to claim 3 or 4, wherein one end of the sliding member away from the rotating head is provided with a limiting boss, the sliding member can rotate relative to the housing to cause the limiting boss to be relatively dislocated with the chute, so that the sliding member is positioned at the unlocking position, and the resetting member accumulates a resetting force; the sliding piece can also rotate relative to the shell to enable the limiting boss to be correspondingly matched with the sliding groove, so that the reset force is released to drive the sliding piece to slide to the locking position.

6. The connection device according to claim 1, wherein the locking member is rotatably provided to the housing, and the locking member is rotatable relative to the housing to be engaged with or disengaged from the slider.

7. The connection device of claim 6, wherein a side of the slider facing the latch has a notch, the slider being configured to be in the locked position to rotate the latch into engagement with the slider in the notch; the locking element is configured to be rotatable out of the notch to unlock the slider.

8. The connection device according to claim 7, wherein a torsion spring is provided on the locking member, the torsion spring being capable of accumulating an elastic force when the locking member is rotated to be out of the notch; the torsion spring can release the elastic force to drive the locking piece to rotate to be positioned in the notch.

9. The connection device of claim 1, further comprising a handle threadably coupled to the slider, the handle being located outside of the housing, the handle being capable of driving the slider to slide back and forth relative to the housing.

10. A motor home comprising a drive means, a carrier means and a connecting means as claimed in any one of claims 1 to 9, one of the drive means and the carrier means being connected to the housing and the other being connected to the rotatable head.