CN216331972U - Height-adjustable folding concealed type recreational vehicle walking device - Google Patents

Height-adjustable folding concealed type recreational vehicle walking device Download PDF

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Publication number
CN216331972U
CN216331972U CN202122654760.2U CN202122654760U CN216331972U CN 216331972 U CN216331972 U CN 216331972U CN 202122654760 U CN202122654760 U CN 202122654760U CN 216331972 U CN216331972 U CN 216331972U
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China
Prior art keywords
height
walker
inner cylinder
gear
walking device
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CN202122654760.2U
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Inventor
蒋晓冬
陶欢
刘威
王毅
鲁壮
张阳
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Wuhan Sapw Technology Co ltd
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Wuhan Sapw Technology Co ltd
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Abstract

The utility model discloses a height-adjustable folding hidden type recreational vehicle walker, and belongs to the technical field of walkers. Comprises an inner barrel and an outer barrel of the stepper which are coaxially sleeved; the top end of the outer cylinder is fixedly provided with a lifting component, and the lifting component can enable the outer cylinder to move upwards relative to the inner cylinder and is used for moving the stepper in the up-and-down direction in one stage; the inner cylinder is provided with an extension component which can enable the inner cylinder to move upwards relative to the extension component and is used for secondary movement of the stepper in the up-and-down direction; the tail end of one side of the extension component, which is exposed out of the inner cylinder, is connected with a universal wheel, and the side surface of the lifting component is provided with a folding component which can turn and fold the walking device. The utility model is arranged in the middle of the traction beam and is stressed uniformly; and the height of the walking device is adjustable, the walking device is foldable, the walking device can be flexibly adjusted according to use requirements, and the problem of inconvenient use of the existing motor home walking device due to the fact that the walking device cannot be adjusted in height and folded is solved.

Description

Height-adjustable folding concealed type recreational vehicle walking device
Technical Field
The utility model relates to the technical field of a walker, in particular to a height-adjustable folding hidden type recreational vehicle walker.
Background
At present, the motor home is generally divided into a self-propelled motor home and a pull-type motor home. Unlike a self-propelled caravan, the pull-type caravan does not have power, and needs an additional caravan to be pulled and driven. Especially when moving in short distance and getting in and out of garage, sometimes even need the manpower to move, very inconvenient. Therefore, the caravan walker (shifter) is produced. For example, chinese utility model patent ZL201821392546.6 just discloses a pull type car as a house shifter, and this patent is through advancing gear box base and advancing gear box upper cover sliding connection to accomplish feed motion through gear motor drive lead screw, gear motor and lead screw are linear arrangement, and driving motor drives the worm rotatory, and through worm gear and second grade gear drive, realize big drive ratio output, increased drive power and propulsive force output, mainly used pull type car as a house and trailer shifter. For another example, the utility model patent ZL202020208077.9 discloses a car as a house shifter, through the combined action of lead screw combination and connecting rod combination, converts linear motion into pitch arc swing, is applicable to the lower and heavier car as a house in chassis.
However, the existing car as a house step devices are generally installed on the triangular beam on one side of the car as a house, are not uniformly stressed and are not adjustable in height, so that the step devices are not coordinated when being connected with the car as a house for use, and meanwhile, the existing step devices are all non-foldable, so that the step devices are not attractive and can influence normal running when the car as a house runs without the step devices, if the step devices are disassembled, the step devices are still installed when needed, and unnecessary troubles are caused by repeated installation and disassembly.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides a height-adjustable folding hidden type recreational vehicle walker which is arranged in the middle of a traction beam and is uniformly stressed, aiming at the defects of the existing recreational vehicle walker; and the height of the walking device is adjustable, the walking device is foldable, the walking device can be flexibly adjusted according to use requirements, and the problem of inconvenient use of the existing motor home walking device due to the fact that the walking device cannot be adjusted in height and folded is solved.
In order to achieve the above technical object, the present invention provides a height-adjustable foldable hidden type caravan walker, which is installed in the middle of a towing beam of a caravan, and comprises:
the inner barrel and the outer barrel of the stepper are coaxially sleeved;
the top end of the outer barrel is fixedly provided with a lifting component, and the lifting component can enable the outer barrel to move upwards relative to the inner barrel and move in a one-stage mode in the vertical direction of the stepper;
an extension component is arranged in the inner cylinder, and the extension component can enable the inner cylinder to generate upward movement relative to the extension component, and the upward movement is secondary movement of the stepper in the vertical direction;
the extension assembly is exposed, the tail end of one side of the inner barrel is connected with a universal wheel, and
and a folding component which can turn and fold the step shifter is arranged on the side surface of the lifting component.
Further, the lifting assembly comprises a shell, a rotating shaft, a first gear, a second gear and a T-shaped screw rod, the shell is fixedly connected to the top end of the outer barrel, the first gear and the second gear are arranged in the shell, the rotating shaft penetrates through the two rear ends of the first gear and is installed on a group of opposite sides of the shell, the second gear is meshed below the first gear, and the T-shaped screw rod is vertically meshed on the second gear.
Further, the T-shaped screw is arranged in the inner barrel, a threaded connection part matched with the T-shaped screw is arranged at the upper part of the inner barrel, and the rotary motion of the T-shaped screw in the threaded connection part can be converted into the up-and-down motion of the outer barrel on the outer circumference of the inner barrel.
Furthermore, the extension assembly comprises a threaded telescopic rod and a mounting seat, the threaded telescopic rod is fixed to the top of the mounting seat, the universal wheel is mounted at one end, far away from the threaded telescopic rod, of the mounting seat, internal threads matched with the threaded telescopic rod are arranged on the inner circumference of the lower portion of the inner barrel, and the rotary motion of the threaded telescopic rod and the inner barrel can be converted into the up-and-down motion of the inner barrel on the threaded telescopic rod.
Further, folding assembly includes chuck and support, the chuck is fixed the shell is connected with on a side of pivot, the both sides of support set up respectively the chuck with the outside of a shell side, just support, chuck and shell pass through the pivot links together.
Furthermore, a plurality of positioning holes are uniformly distributed on the chuck around the center hole of the chuck, pin holes are formed in the support on two sides of the center hole of the support, and the pin holes correspond to the positions of a group of symmetrical positioning holes in the chuck.
Further, two all be provided with the installation sleeve on the pinhole, be equipped with the mounting in the installation sleeve.
Furthermore, a positioning pin is inserted into each fixing piece, the positioning pin penetrates through the pin hole and the positioning hole, a spring is arranged outside the positioning pin, and the positioning pin can be pulled out of the positioning hole under the action of external force and can be inserted into the positioning hole next time under the action of the spring.
Furthermore, one ends, far away from the support, of the two positioning pins are connected through a pull rod, and the two positioning pins can be pulled out or pushed in simultaneously through the pull rod.
Furthermore, the top surface of folding assembly is equipped with and is used for installing the installation hole on car as a house draw beam with the ware of moving, still be equipped with on the urceolus and be used for installing the connecting seat on car as a house railway carriage or compartment body wheel with the ware of moving.
Compared with the prior art, the utility model has the beneficial effects that:
according to the folding hidden type recreational vehicle walker with adjustable height, provided by the utility model, the outer cylinder can move upwards relative to the inner cylinder through the lifting component arranged on the outer cylinder, which is one-stage movement of the walker in the vertical direction, and the inner cylinder can move upwards relative to the universal wheel through the extension component arranged in the inner cylinder, which is two-stage movement of the walker in the vertical direction, so that the recreational vehicle walker has two-stage movement in the vertical direction, the stroke of the walker can be increased to the range of 270 plus and minus 500mm, the height can be adjusted freely in the range, all vehicle types are met, and the use is more convenient. Meanwhile, the walking device can be stored through the folding assembly, the walking device is stored when the walking device is not needed, the trouble caused by frequent mounting and dismounting is avoided, the size of the stored walking device is small, the attractiveness of the whole recreational vehicle is not influenced, and the walking device is a practical pull-type recreational vehicle walking device.
Drawings
FIG. 1 is a schematic view of the overall structure of a height-adjustable foldable hidden-type recreational vehicle walker according to the present invention;
FIG. 2 is a cross-sectional view of a foldable hidden-type recreational vehicle walker with adjustable height according to the present invention;
FIG. 3 is an exploded view of the components of FIG. 1;
FIG. 4 is a schematic view of the vertical movement of the foldable hidden-type height-adjustable walker according to the present invention;
FIG. 5 is a schematic view of the second-stage movement of the height-adjustable foldable concealed type motor home walker in the up-down direction according to the present invention;
FIG. 6 is a front-back folding schematic view of the height-adjustable folding concealed type motor home walker according to the present invention.
Shown in the figure:
1-inner cylinder, 11-connecting part, 2-outer cylinder, 3-lifting component, 31-shell, 32-rotating shaft, 33-first gear, 34-second gear, 35-T-shaped screw rod, 4-extension component, 41-threaded telescopic rod, 42-mounting seat, 5-universal wheel, 6-folding component, 61-chuck, 611-positioning hole, 62-support, 621-pin hole, 63-mounting sleeve, 64-fixing part, 65-positioning pin, 66-spring, 67-pull rod, 7-mounting hole and 8-connecting seat.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further 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 utility model and are not intended to limit the utility model.
Fig. 1-3 show a height-adjustable folding concealed-type recreational vehicle walker according to the present invention, which, as shown in fig. 1-3, comprises:
the device comprises an inner barrel 1 and an outer barrel 2 of the stepper which are coaxially sleeved.
The top end of the outer barrel 2 is fixedly provided with a lifting component 3, and the lifting component 3 can enable the outer barrel 2 to move upwards relative to the inner barrel 1 and move in one level in the vertical direction of the stepper.
An extension component 4 is arranged in the inner cylinder 1, and the extension component 4 can enable the inner cylinder 1 to generate upward movement relative to the extension component 4, and the upward movement is secondary movement of the stepper in the vertical direction.
The tail end of one side of the extension component 4, which is exposed out of the inner cylinder 1, is connected with a universal wheel 5.
And a folding component 6 which is used for turning and folding the step shifter is arranged on the side surface of the lifting component 3.
Particularly, the step mover is firm in structure and attractive in appearance, all parts of the step mover are made of steel structures, and the step mover is high in strength and not easy to deform; meanwhile, the product is matched with an electrogalvanizing process, so that the product can be anticorrosive and antirust, and can resist marine climate.
Specifically, the outer cylinder 2 of the walking device adopts a cylindrical cylinder, and the matching of the cylindrical cylinder and the universal wheels 5 is more matched, so that the walking device does not appear heavy feet and light heads; the cylindrical outer barrel 2 also has a universal function, so that steering can be better realized; furthermore, a lifting component 3 is arranged on the top of the outer cylinder 2, so that the outer cylinder 2 can move up and down relative to the inner cylinder 1, and the height of the stepper can be adjusted.
Specifically, the inner cylinder 1 of the stepper realizes up-and-down movement by adopting gear engagement, the lower part in the inner cylinder 1 is provided with the extension component 4, and the inner cylinder 1 can move up and down relative to the extension component 4 under the action of the extension component 4, so that the height of the stepper can be further adjusted. Therefore, the travel of the step shifter can be increased to the range of 270-500mm, all vehicle types are met, and the step shifter is more convenient to operate and more flexible.
Specifically, the walking device further comprises a folding assembly 6, and the walking device can be turned and folded back and forth through the folding assembly 6, so that the walking device can be folded and stored when the practical walking device is not needed, the running of the whole recreational vehicle is not influenced, and the recreational vehicle is attractive.
The specific processes of the primary movement, the secondary movement and the flip-fold of the step mover of the present invention will be described in detail below.
1. A primary moving process which is mainly completed by the lifting component 3
The lifting component 3 comprises a shell 31, a rotating shaft 32, a first gear 33, a second gear 34 and a T-shaped screw 35, wherein the shell 31 is fixedly connected to the top end of the outer barrel 2, the first gear 33 and the second gear 34 are arranged in the shell 31, the rotating shaft 32 penetrates through the two rear ends of the first gear 33 and is installed on a group of opposite sides of the shell 31, the second gear 34 is meshed below the first gear 33, and the T-shaped screw 35 is vertically meshed on the second gear 34.
Further, the T-shaped screw 35 is disposed in the inner cylinder 1, and the upper portion of the inner cylinder 1 is provided with the threaded connection portion 11 adapted to the T-shaped screw 35, so that the rotating shaft 32 is rotated to drive the first gear 33 to rotate, and further drive the second gear 34 to rotate, and then the T-shaped screw 35 engaged with the second gear 34 rotates, and since the T-shaped screw 35 is disposed in the inner cylinder 1 and is cooperatively connected with the threaded connection portion 11 on the upper portion of the inner cylinder 1, the T-shaped screw 35 and the threaded connection portion 11 form a screw lifting mechanism in the inner cylinder 1, so that the T-shaped screw 35 moves up and down in the inner cylinder 1, and thus the outer cylinder 2 is driven to move up and down. This is the first movement of the stepper, as shown in FIG. 4.
2. And a secondary moving process, wherein the secondary moving process mainly depends on the extension component 4 to complete the extension component 4 and comprises a threaded telescopic rod 41 and a mounting seat 42, the threaded telescopic rod 41 is fixed at the top of the mounting seat 42, the universal wheel 5 is installed at one end, far away from the threaded telescopic rod 41, of the mounting seat 42, an internal thread matched with the threaded telescopic rod 41 is arranged on the inner circumference of the lower part of the inner barrel 1, and the inner barrel 1 can move up and down through the threaded connection between the threaded telescopic rod 41 and the internal thread of the inner barrel 1. This is the second stage of the stepper, as shown in FIG. 5.
3. The turning and folding process is mainly completed by the folding component 6
Folding assembly 6 includes chuck 61 and support 62, chuck 61 is fixed shell 31 is connected with on a side of pivot 32, the both sides of support 62 set up respectively chuck 61 with the outside of a side of shell 31, just support 62, chuck 61 and shell 31 pass through pivot 32 links together.
Furthermore, a plurality of positioning holes 611 are uniformly distributed on the chuck 61 around the central hole of the chuck 61, pin holes 621 are formed on the bracket 62 at two sides of the central hole of the bracket 62, and the pin holes 621 correspond to the positions of a set of symmetrical positioning holes 611 on the chuck 61.
Further, two of the pin holes 621 are provided with a mounting sleeve 63, a fixing member 64 is provided in the mounting sleeve 63, a positioning pin 65 is inserted into each fixing member 64, the positioning pin 65 is disposed to penetrate through the pin holes 621 and the positioning holes 611, a spring 66 is provided outside the positioning pin 65, and the positioning pin 65 can be pulled out from the positioning holes 611 by an external force and can be inserted into the positioning holes 611 next time by the spring 66.
Further, the ends of the two positioning pins 65 far away from the bracket 62 are connected by a pull rod 67, and the two positioning pins 65 can be pulled out or pushed in simultaneously by the pull rod 67. With such an arrangement, when the pull rod 67 is pulled outwards, the positioning pin 65 is driven to be pulled out of the pin hole 621 and the positioning hole 611, the step moving device is connected with the bracket 62 only through the rotating shaft 32, the step moving device can be turned over to the horizontal direction on the bracket 62 around the rotating shaft 32, and after the step moving device is turned over to the horizontal direction, the pull rod 67 is loosened, and the positioning pin 65 is reinserted into the pin hole 621 and the positioning hole 611 to be fixed under the rebounding action of the spring 66, so that the step moving device is accommodated, specifically, as shown in fig. 6.
In addition, the top surface of the bracket 62 of the walking device of the utility model is provided with a mounting hole 7 for mounting the walking device on a towing beam of a caravan, and the walking device is mounted in the middle of the towing beam, so that the walking device is stressed uniformly. Meanwhile, the outer cylinder 2 is also provided with a connecting seat 8 for installing the walking device on wheels of the compartment body of the caravan.
The use process of the height-adjustable folding hidden type recreational vehicle walker comprises the following steps:
1. when the compartment of the caravan needs to be connected with a front car, a rotating shaft 32 on the lifting assembly 3 is rotated anticlockwise by using tools such as a sleeve and the like, the T-shaped screw 35 moves up and down in the inner cylinder 1 through the meshing of the first gear 33 and the second gear 34, and then the outer cylinder 2 is driven to move up and down on the inner cylinder 1, so that the height of the stepper is adjusted; when the stroke is not enough, the inner cylinder 1 can move upwards by rotating the threaded telescopic rod 41, so that the height is adjusted to be increased, and the connection with a front vehicle is realized;
2. when the step shifter needs to be retracted in the running process of the recreational vehicle, the pull rod 67 is pulled outwards manually, the positioning pin 65 is made to leave the pin hole 621 and the positioning hole 611, then the step shifter is rotated anticlockwise to the horizontal position, the pull rod 67 is loosened after the step shifter is in place, the positioning pin 65 is inserted back into the pin hole 621 and the positioning hole 611 again to lock the step shifter, and the step shifter is horizontally retracted at the moment, so that the running and the attractiveness of the recreational vehicle are not influenced;
3. when the recreational vehicle is parked, the step shifter needs to be put down, the pull rod 67 is pulled outwards manually at the moment, the positioning pin 65 is enabled to be away from the pin hole 621 and the positioning hole 611, then the step shifter is rotated clockwise to the horizontal position, the pull rod 67 is loosened after the step shifter is in place, the positioning pin 65 is inserted back into the pin hole 621 and the positioning hole 611 again to lock the step shifter, the step shifter is vertically placed at the moment, and if the height needs to be adjusted to the required height according to the method, the step shifter is locked.
In conclusion, the height-adjustable folding hidden type recreational vehicle walker provided by the utility model has two-stage movement in the vertical direction, the stroke of the walker can be increased to the range of 270 plus 500mm, the height can be adjusted freely in the range, all vehicle types are met, and the use is more convenient. Meanwhile, the walking device can be stored through the folding assembly, the walking device is stored when the walking device is not needed, the trouble caused by frequent mounting and dismounting is avoided, the size of the stored walking device is small, the attractiveness of the whole recreational vehicle is not influenced, and the walking device is a practical pull-type recreational vehicle walking device.
The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a but height-adjusting's folding hidden car as a house ware of moving, its characterized in that includes:
the inner barrel and the outer barrel of the stepper are coaxially sleeved;
the top end of the outer barrel is fixedly provided with a lifting component, and the lifting component can enable the outer barrel to move upwards relative to the inner barrel and move in a one-stage mode in the vertical direction of the stepper;
an extension component is arranged in the inner cylinder, and the extension component can enable the inner cylinder to generate upward movement relative to the extension component, and the upward movement is secondary movement of the stepper in the vertical direction;
the extension assembly is exposed, the tail end of one side of the inner barrel is connected with a universal wheel, and
and a folding component which can turn and fold the step shifter is arranged on the side surface of the lifting component.
2. The height-adjustable folding hidden type recreational vehicle walker as claimed in claim 1, wherein the lifting assembly comprises a housing, a rotating shaft, a first gear, a second gear and a T-shaped screw, the housing is fixedly connected to the top end of the outer cylinder, the first gear and the second gear are arranged in the housing, the rotating shaft penetrates through the first gear and is mounted at two rear ends of the housing on a set of opposite sides, the second gear is engaged below the first gear, and the T-shaped screw is vertically engaged on the second gear.
3. The height-adjustable folding hidden-type recreational vehicle walker as claimed in claim 2, wherein said T-shaped screw is disposed in said inner cylinder, and an upper portion of said inner cylinder is provided with a threaded connection portion adapted to said T-shaped screw, and a rotational movement of said T-shaped screw in said threaded connection portion is converted into an up-and-down movement of said outer cylinder on an outer circumference of said inner cylinder.
4. The height-adjustable folding hidden-type recreational vehicle walker as claimed in claim 1, wherein the extension assembly comprises a threaded telescoping rod and a mounting base, the threaded telescoping rod is fixed on the top of the mounting base, the universal wheel is mounted at an end of the mounting base away from the threaded telescoping rod, the inner cylinder is provided with an internal thread on the inner circumference of the lower portion thereof, the internal thread is adapted to the threaded telescoping rod, and the rotational movement of the threaded telescoping rod and the inner cylinder is converted into the up-and-down movement of the inner cylinder on the threaded telescoping rod.
5. The foldable concealed caravan walker with adjustable height according to claim 2, wherein the folding assembly comprises a chuck and a bracket, the chuck is fixed on one side of the housing connected with the rotating shaft, two sides of the bracket are respectively arranged on the outer sides of the chuck and one side of the housing, and the bracket, the chuck and the housing are connected together through the rotating shaft.
6. The foldable concealed caravan walker with adjustable height according to claim 5, wherein a plurality of positioning holes are uniformly distributed on the chuck around the center hole of the chuck, and pin holes are formed on the bracket at two sides of the center hole of the bracket, and correspond to a set of symmetrical positioning holes on the chuck.
7. The foldable hidden type caravan walker with adjustable height of claim 6, wherein a mounting sleeve is provided on each of the two pin holes, and a fixing member is provided in each of the mounting sleeves.
8. The height-adjustable folding hidden type caravan walker as claimed in claim 7, wherein a positioning pin is inserted into each fixing member, the positioning pin is arranged to pass through the pin hole and the positioning hole, and a spring is arranged outside the positioning pin, and the positioning pin can be pulled out of the positioning hole under the action of external force and can be inserted into the positioning hole next time under the action of the spring.
9. The foldable hidden type caravan walker with adjustable height of claim 8, wherein the ends of the two positioning pins far away from the bracket are connected by a pull rod, and the two positioning pins can be pulled out or pushed in simultaneously by the pull rod.
10. The foldable hidden type height-adjustable type touring car walker as claimed in claim 1, wherein the top surface of the folding assembly is provided with a mounting hole for mounting the walker on a towing beam of the touring car, and the outer cylinder is further provided with a connecting seat for mounting the walker on a wheel of a compartment of the touring car.
CN202122654760.2U 2021-11-01 2021-11-01 Height-adjustable folding concealed type recreational vehicle walking device Active CN216331972U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122654760.2U CN216331972U (en) 2021-11-01 2021-11-01 Height-adjustable folding concealed type recreational vehicle walking device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122654760.2U CN216331972U (en) 2021-11-01 2021-11-01 Height-adjustable folding concealed type recreational vehicle walking device

Publications (1)

Publication Number Publication Date
CN216331972U true CN216331972U (en) 2022-04-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122654760.2U Active CN216331972U (en) 2021-11-01 2021-11-01 Height-adjustable folding concealed type recreational vehicle walking device

Country Status (1)

Country Link
CN (1) CN216331972U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Adjustable Height Folding Hidden RV Walker

Effective date of registration: 20220804

Granted publication date: 20220419

Pledgee: Bank of China Limited Wuhan Economic and Technological Development Zone sub branch

Pledgor: WUHAN SAPW TECHNOLOGY CO.,LTD.

Registration number: Y2022420000243

PE01 Entry into force of the registration of the contract for pledge of patent right