CN217892796U

CN217892796U - Electric lifting guide wheel mechanism of motor home

Info

Publication number: CN217892796U
Application number: CN202221317839.4U
Authority: CN
Inventors: 蒋晓冬
Original assignee: Wuhan Sapw Technology Co ltd
Current assignee: Wuhan Sapw Technology Co ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-11-25
Anticipated expiration: 2032-05-25

Abstract

The utility model relates to a car as a house electric lift leading wheel mechanism, include: the chassis girder is provided with an accommodating groove along the length direction; the walking support unit is provided with a support part which is rotationally connected with the chassis girder and a walking part which is partially sleeved on the support part and can be rotationally connected with the support part around the axial direction of the support part, the walking part is sleeved on the side wall of the support part and is provided with a spiral groove, the walking support unit has a support state and a storage state, when the walking support unit is in the support state, the support part is vertically arranged below the chassis girder, and the walking part is arranged at the bottom end of the support part and is used for supporting the chassis girder; when the walking supporting unit is in a storage state, the supporting part is rotatably arranged in the accommodating groove. This car as a house electric lift leading wheel mechanism has solved through manual crank of shaking to adjust the problem of pulling car as a house bulb height, labour saving and time saving, and can adjust the height of walking support element according to the height of parking topography, it is convenient to adjust.

Description

Electric lifting guide wheel mechanism of motor home

Technical Field

The utility model relates to a car as a house leading wheel technical field especially relates to a car as a house electric lift leading wheel mechanism.

Background

The pull type motor home is different from the self-propelled motor home, and the pull type motor home has no power, so that an additional vehicle is needed to carry out pull type running on the pull type motor home. A pull-type caravan guide wheel device is described in an authorization notice No. CN 106335478B, and when parking is needed, a pull rod is firstly tightened to enable the tail end of a sliding rod part of the pull rod to be separated from a corresponding circular through hole of a fixing plate, at the moment, the whole guide wheel is rotated to the vertical direction, the pull rod is loosened to enable the tail end of the sliding rod part of the pull rod to be inserted into the corresponding circular through hole of the fixing plate, so that the whole guide wheel is locked at the vertical position, then, a handle of a guide wheel telescopic device is rotated, appropriate force is applied to prevent the guide wheel from rotating along the circumferential direction, so that the whole guide wheel extends downwards, when the guide wheel is extended to be reliably contacted with the ground, the handle is continuously rotated to enable the guide wheel to rotate to the required direction, and the caravan is moved according to the specified target position; when the motor home needs to run, the guide wheels are shortened and folded by adopting the steps opposite to the steps. Traditional leading wheel is manual crank formula, waves the crank through the manpower, adjusts the height of pulling the car as a house bulb to control traction vehicle and the separation of pulling the car as a house, waste time and energy, simultaneously, because the topography height of parking is uneven, also often need adjust the leading wheel height, with leveling automobile body level, consume energy considerably.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned technique not enough, provide a car as a house electric lift guide wheel mechanism, wave the crank through the manpower among the solution prior art, adjust the height of pulling the car as a house bulb to control haulage vehicle and pull the separation of car as a house, waste time and energy, the topography height of parking is uneven, also often needs to adjust the leading wheel height, with leveling automobile body level, consumes the technical problem of energy fairly.

In order to achieve the technical purpose, the technical scheme of the utility model include a car as a house electric lift leading wheel mechanism, include: the chassis girder is provided with an accommodating groove along the length direction; the walking support unit is provided with a support part which is rotatably connected with the chassis girder and a walking part which is partially sleeved on the support part and can be rotatably connected with the support part around the axial direction of the support part, the walking part is sleeved on the side wall of the support part and is provided with a spiral groove, the walking support unit is provided with a support state and a storage state, when the walking support unit is in the support state, the support part is vertically arranged below the chassis girder, and the walking part is arranged at the bottom end of the support part and is used for supporting the chassis girder; when the walking support unit is in a storage state, the support part is rotatably arranged in the accommodating groove; the two ends of the driving part are respectively hinged with the chassis girder and the supporting part, and the driving part is used for driving the supporting part to rotate towards the length direction of the chassis girder; the guide piece is fixedly arranged at the driving part and is far away from one end of the chassis girder, and when the walking supporting unit is in a storage state, the end part of the guide piece can be inserted into the spiral groove and drives the walking part to rotate around the axial direction of the supporting part, so that the supporting part can be transversely stored at the bottom of the chassis girder.

Preferably, the chassis frame further comprises a locking piece, the locking piece is mounted on the chassis frame, and when the walking support unit is in a storage state, the locking piece is used for locking the support part.

Preferably, the support portion includes: the round pipe is rotatably connected to the bottom of the chassis girder, a cavity is formed in the round pipe, an opening communicated with the cavity is formed in the bottom of the round pipe, a notch communicated with the cavity is formed in one side of the round pipe, the upper portion of the walking portion penetrates through the opening and is inserted into the cavity, and the walking portion can rotate in the cavity.

Preferably, the walking part includes: the connecting piece penetrates through the opening and is inserted into the cavity, the connecting piece is rotatably connected with the circular tube, and part of the connecting piece extends to the outside of the circular tube; and the guide wheel is rotatably connected to the connecting piece.

Preferably, the connector comprises: the mounting seat and a connecting column fixedly mounted at the upper end of the mounting seat, the guide wheel is rotatably connected to the mounting seat, the connecting column penetrates through the opening and is inserted into the cavity, the connecting column is rotatably connected with the circular tube, the spiral groove is formed in the connecting column and communicated with the notch, and when the walking supporting unit is in a storage state, the guide piece penetrates through the notch and is inserted into the spiral groove to drive the connecting column to rotate inside the circular tube.

Preferably, the connector further comprises: two installation pieces, two the installation piece is located the pipe surface just is located the notch both sides, the drive division is kept away from the one end of chassis girder rotates connect in two between the installation piece, the guide is located drive division and orientation the notch, the draw-in groove has been seted up on the installation piece, but the draw-in groove joint in the locking piece.

Preferably, the supporting part further comprises a fixing frame, the fixing frame is fixedly arranged on the chassis crossbeam, and the upper end of the circular tube rotates on the fixing frame.

Preferably, the locking piece includes torsional spring, rotor plate and locking lever, the one end of torsional spring set firmly in the inner wall of chassis girder, the one end of rotor plate with the other end fixed connection of torsional spring, the locking lever is fixed in the rotor plate, the locking lever is used for the locking the draw-in groove of seting up on the installation piece.

Preferably, the chassis frame further comprises a connecting seat, the connecting seat is fixedly installed on the inner wall of the chassis frame, and one end, far away from the circular tube, of the driving part is rotatably connected to the connecting seat.

Preferably, the surface of the guide wheel is provided with a thread strip for increasing friction force.

Compared with the prior art, the beneficial effects of the utility model include: this electronic lift leading wheel mechanism of car as a house, through the chassis girder, walking supporting element, the setting of drive division and guide, the chassis girder is used for connecting the haulage vehicle who drags the car as a house, pull the car as a house of hanging itself does not possess driving system, the function that needs the traction of tractor to realize the walking reaches appointed parking place, it separates with the car as a house of hanging to reach the rear haulage vehicle that parks the place, electronic walking supporting element and the ground contact of extension through the drive division, thereby support the car as a house of hanging that walking supporting element and upper portion set up, after the shrink of drive division, walking supporting element accomodates in the chassis girder, the guide drives partial walking supporting element and rotates, accomodate in the chassis girder, the problem of rocking handle through manual shaking is solved, in order to adjust the problem of dragging the car as a house bulb height, time saving and labor saving, and can adjust walking supporting element's height according to the height of parking topography, it is convenient to adjust.

Drawings

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

fig. 2 is a front view of the structure of the present invention;

FIG. 3 is a side view of the structural tube, the connecting member and the guide wheel of the present invention;

FIG. 4 is a schematic view of the structural connector and the driving portion of the present invention;

FIG. 5 is a partial enlarged view of the point A of the structure of the present invention in FIG. 4;

fig. 6 is a top view of the present invention;

fig. 7 is a partial enlarged view of fig. 6B according to the present invention;

fig. 8 is a schematic view of the storage state of the present invention (part of the chassis frame is not installed);

fig. 9 is a schematic view of the support state of the present invention (part of the chassis frame is not installed).

Reference numerals: 10. a chassis girder; 20. a walking support unit; 21. a circular tube; 22. a connecting member; 221. a mounting seat; 222. connecting columns; 23. a guide wheel; 24. mounting blocks; 25. a fixed mount; 30. A drive section; 40. a guide member; 50. a locking member; 51. a torsion spring; 52. a rotating plate; 53. locking the lever.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 and fig. 2, the utility model provides a motor home electric lift guide wheel mechanism, include: a chassis frame 10, a walking support unit 20, a driving part 30, a guide 40, and a lock 50; chassis girder 10 is formed with the holding tank along its length direction, chassis girder 10 is used for connecting the traction vehicle who drags the car as a house, pull-type car as a house does not own driving system, the function that needs the traction of tractor to realize the walking and reachs appointed parking place, reach the back traction vehicle of parking place and pull the car as a house separation, pull the car as a house and locate chassis girder 10, walking supporting element 20 can support chassis girder 10, through electronic walking supporting element 20 of drive division 30 extension and ground contact, thereby support the car as a house that drags of walking supporting element 20 and upper portion setting, after drive division 30 shrink, walking supporting element 20 is accomodate in chassis girder 10, guide 40 drives partial walking supporting element 20 and rotates, accomodate in chassis girder 10, locking piece 50 carries out the locking to walking supporting element 20. The driving part 30 is an electric push rod in the present embodiment.

As shown in fig. 8 and 9, the walking support unit 20 has a support portion rotatably connected to the chassis frame 10 and a walking portion partially sleeved on the support portion and rotatably connected to the support portion around the axial direction of the support portion, the walking portion is sleeved on the side wall of the support portion and provided with a spiral groove, and the walking support unit 20 has a support state and a storage state;

as shown in fig. 9, when the walking support unit 20 is in a supporting state, the supporting portion stands below the chassis frame 10, and the walking portion is located at the bottom end of the supporting portion to support the chassis frame 10; the towing vehicle can now be separated from the trailer.

As shown in fig. 8, when the walking support unit 20 is in the storage state, the support part is rotatably disposed in the receiving groove, the support part is rotated along the length direction of the chassis frame 10, and the walking support unit 20 is stored at the bottom of the chassis frame 10; when the traveling support unit 20 is in the storage state, the trailer car needs to be mounted on the towing vehicle.

Two ends of the driving part 30 are respectively hinged with the chassis girder 10 and the supporting part, and the driving part 30 is used for driving the supporting part to rotate towards the length direction of the chassis girder 10; when the walking support unit 20 is in the supporting state, the driving portion 30 is extended, the driving portion 30 drives the walking support unit 20 to stand below the chassis frame 10, and when the driving portion 30 is retracted, the driving portion 30 drives the walking support unit 20 to be accommodated at the bottom of the chassis frame 10, which is in the accommodating state.

The driving part 30 can drive the walking supporting unit 20 to adjust the angle through the driving part 30 according to the actual situation on site and the flatness of the ground, so that the height of the walking supporting unit 20 is adjusted to level the chassis girder 10, and the chassis girder 10 is leveled.

The guide member 40 is fixedly installed at one end of the driving portion 30 far away from the chassis girder 10, and when the walking support unit 20 is in a storage state, the end portion of the guide member 40 can be inserted into the spiral groove and drive the walking portion to rotate around the axial direction of the support portion, so that the support portion can be transversely stored at the bottom of the chassis girder 10. The guide member 40 may be made of aluminum, ferrous material, or wooden material, and the guide member 40 is made of ferrous material in this embodiment.

As shown in fig. 3, 4, 5, 6, and 7, specifically, the support portion includes: the chassis girder comprises a round pipe 21, wherein the round pipe 21 is rotatably connected to the bottom of the chassis girder 10, a cavity is formed inside the round pipe 21, an opening communicated with the cavity is formed in the bottom of the round pipe 21, the opening is circular, a notch communicated with the cavity is formed in one side of the round pipe 21, the upper portion of the walking portion penetrates through the opening and is inserted into the cavity, and the walking portion can rotate in the cavity. The supporting part further comprises a fixing frame 25, the fixing frame 25 is fixedly arranged on the chassis crossbeam 10, and the upper end of the circular tube 21 rotates on the fixing frame 25.

Specifically, the traveling unit includes: a connecting piece 22 and a guide wheel 23, wherein the connecting piece 22 passes through the opening and is inserted into the cavity, the connecting piece 22 is rotatably connected with the circular tube 21, and part of the connecting piece 22 extends to the outside of the circular tube 21; the guide wheel 23 is rotatably connected to the connecting member 22, and a thread strip for increasing friction is arranged on the surface of the guide wheel 23. The provision of the link 22 facilitates the mounting of the guide wheel 23. Due to the fact that the parking terrain is uneven, the height of the guide wheel 23 also needs to be adjusted frequently, the round tube 21 is driven to rotate through the driving portion 30, the angle between the round tube 21 and the chassis girder 10 is adjusted, the guide wheel 23 is in contact with the ground, the chassis girder 10 is leveled, and the chassis girder 10 is made to be horizontal.

When the drive 30 is retracted to the shortest, the tube 21 is pulled to the horizontal, and the guide wheels 23 are fully retracted against the chassis girder 10.

The surface of the chassis girder 10 is provided with a driving part switch, the driving part switch is connected with the driving part 30, the driving part switch is used for controlling the driving part 30, the driving part switch has 3 gears and respectively controls the extension, stop and retraction of the driving part 30, and the driving part switch is reset to the stop gear at ordinary times.

The connector 22 includes: the guide wheel 23 is rotatably connected to the mounting seat 221, the connecting column 222 penetrates through the opening and is inserted into the cavity, the connecting column 222 is rotatably connected to the circular tube 21, the spiral groove is formed in the connecting column 222 and is communicated with the notch, and when the walking support unit 20 is in the storage state, the guide member 40 penetrates through the notch and is inserted into the spiral groove to drive the connecting column 222 to rotate inside the circular tube 21. The connector 22 further comprises: two installation pieces 24 and connecting seat, two installation piece 24 is located 21 surfaces of pipe just are located the notch both sides, drive portion 30 is kept away from the one end of chassis girder 10 is rotated connect in two between the installation piece 24, guide 40 is located drive portion 30 and orientation the notch, the draw-in groove has been seted up on the installation piece 24, but draw-in groove joint in locking piece 50, connecting seat fixed mounting in the 10 inner walls of chassis girder, drive portion 30 keeps away from the one end of pipe 21 rotate connect in the connecting seat, the setting up of connecting seat makes things convenient for drive portion 30 to rotate and installs in the inner wall of chassis girder 10.

When the guide wheel 23 rises to a certain height, the guide piece 40 can be embedded into the spiral groove, along with the continuous rising of the guide wheel 23, the guide piece 40 rotates around the mounting block 24, the guide piece 40 drives the spiral groove to rotate, so that the guide wheel 23 is driven to rotate, when the circular tube 21 is completely folded, the guide wheel 23 just rotates to the side and is attached to the chassis girder 10, and the space at the lower part of the chassis girder 10 is further saved.

Specifically, locking piece 50 install in chassis girder 10, when walking support element 20 is for accomodating the state, locking piece 50 is used for the locking the supporting part, locking piece 50 includes torsional spring 51, rotor plate 52 and locking lever 53, torsional spring 51's one end set firmly in chassis girder 10's inner wall, rotor plate 52's one end with torsional spring 51's other end fixed connection, locking lever 53 is fixed in rotor plate 52, locking lever 53 is used for the locking the draw-in groove of seting up on the installation piece 24.

When the fixing frame 25 is completely retracted, the clamping groove is just clamped on the locking rod 53, and at the moment, the locking rod 53 bears the weight of the guide wheel 23, the circular tube 21 and the driving part 30, so that the driving part 30 is prevented from being damaged or broken due to long-term stress, and the service life of the driving part 30 is prolonged.

The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications according to the technical idea of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides an electronic lift leading wheel mechanism of car as a house which characterized in that includes:

the chassis girder is provided with an accommodating groove along the length direction;

the walking support unit is provided with a support part which is rotatably connected with the chassis girder and a walking part which is partially sleeved on the support part and can be rotatably connected with the support part around the axial direction of the support part, the walking part is sleeved on the side wall of the support part and is provided with a spiral groove, the walking support unit is provided with a support state and a storage state, when the walking support unit is in the support state, the support part is vertically arranged below the chassis girder, and the walking part is arranged at the bottom end of the support part and is used for supporting the chassis girder; when the walking support unit is in a storage state, the support part is rotatably arranged in the accommodating groove;

the two ends of the driving part are respectively hinged with the chassis girder and the supporting part, and the driving part is used for driving the supporting part to rotate towards the length direction of the chassis girder;

the guide piece is fixedly arranged at the driving part and is far away from one end of the chassis girder, and when the walking supporting unit is in a storage state, the end part of the guide piece can be inserted into the spiral groove and drives the walking part to rotate around the axial direction of the supporting part, so that the supporting part can be transversely stored at the bottom of the chassis girder.

2. The electric lifting guide wheel mechanism of the caravan, according to claim 1, characterized in that: the chassis girder comprises a chassis girder, and is characterized by further comprising a locking piece, wherein the locking piece is installed on the chassis girder, and when the walking supporting unit is in a storage state, the locking piece is used for locking the supporting part.

3. The electric lifting guide wheel mechanism of the caravan, according to claim 2, characterized in that: the support portion includes:

the round pipe is rotatably connected to the bottom of the chassis girder, a cavity is formed in the round pipe, an opening communicated with the cavity is formed in the bottom of the round pipe, a notch communicated with the cavity is formed in one side of the round pipe, the upper portion of the walking portion penetrates through the opening and is inserted into the cavity, and the walking portion can rotate in the cavity.

4. The electric lifting guide wheel mechanism of the caravan, according to claim 3, characterized in that: the walking part includes:

the connecting piece penetrates through the opening and is inserted into the cavity, the connecting piece is rotatably connected with the circular tube, and part of the connecting piece extends to the outside of the circular tube;

and the guide wheel is rotatably connected to the connecting piece.

5. The electric lifting guide wheel mechanism of the caravan, according to claim 4, characterized in that: the connector includes:

the mounting seat and a connecting column fixedly mounted at the upper end of the mounting seat, the guide wheel is rotatably connected to the mounting seat, the connecting column penetrates through the opening and is inserted into the cavity, the connecting column is rotatably connected with the circular tube, the spiral groove is formed in the connecting column and communicated with the notch, and when the walking supporting unit is in a storage state, the guide piece penetrates through the notch and is inserted into the spiral groove to drive the connecting column to rotate inside the circular tube.

6. The electric lifting guide wheel mechanism of the caravan, according to claim 5, characterized in that: the connector further comprises: two installation pieces, two the installation piece is located the pipe surface just is located the notch both sides, the drive division is kept away from the one end of chassis girder rotates connect in two between the installation piece, the guide is located drive division and orientation the notch, the draw-in groove has been seted up on the installation piece, but the draw-in groove joint in the locking piece.

7. The electric lifting guide wheel mechanism of the caravan, according to claim 6, characterized in that: the supporting part further comprises a fixing frame which is fixedly arranged on the chassis crossbeam, and the upper end of the round pipe rotates on the fixing frame.

8. The electric lifting guide wheel mechanism of the caravan, according to claim 7, characterized in that: the locking piece includes torsional spring, rotor plate and locking lever, the one end of torsional spring set firmly in the inner wall of chassis girder, the one end of rotor plate with the other end fixed connection of torsional spring, the locking lever is fixed in the rotor plate, the locking lever is used for the locking the draw-in groove of seting up on the installation piece.

9. The electric lifting guide wheel mechanism of the caravan, according to claim 8, characterized in that: the chassis girder is characterized by further comprising a connecting seat, the connecting seat is fixedly installed on the inner wall of the chassis girder, and one end, far away from the circular tube, of the driving part is rotatably connected to the connecting seat.

10. The caravan electric lifting guide wheel mechanism according to claim 5, characterized in that: the surface of the guide wheel is provided with a thread strip used for increasing friction force.