CN220243276U - Folding bicycle for camping - Google Patents

Abstract

The utility model discloses a camping folding vehicle which comprises a wheel assembly and a telescopic pipe arranged on the wheel assembly, wherein a left-right folding structure and a front-back folding structure are arranged on the telescopic pipe through an upper hinge seat and a lower hinge seat, the folding structure comprises K groups of first folding frames and 2N+1 groups of second folding frames, in addition, an installation seat is arranged on the N+1 groups of folding frames, and foldable supporting assemblies are arranged on the installation seat and the lower hinge seat. The folding device is provided with K groups of first folding frames and 2N+1 groups of second folding frames, the second folding frames on the left side and the right side after unfolding are provided with a hack lever which is abutted against the lower hinge grooves on the lower hinge seat to form a plurality of stress points so as to provide larger supporting force, and meanwhile, the unfolding angle of the second folding frames is increased, so that the volume of a vehicle body is improved; in addition, through setting up the mount pad of disconnect-type and cooperation connecting plate and lower articulated seat realization to the installation of supporting component, when expanding, the chassis of supporting component can be in the horizontality, and the stress point is many, and the support performance is good.

Description

Folding bicycle for camping

Technical Field

The utility model relates to a folding vehicle, in particular to a camping folding vehicle.

Background

Along with the improvement of living standard, more and more people like to drive the outdoor activities certainly, can carry many picnic food and outdoor apparatus simultaneously from driving, but the car of self-driving generally can only drive the place of parking, and the majority of remaining distance needs to be done on foot in addition, and people carry so many things outdoor on foot very inconvenient, also begin selling the handcart that can fold in the trunk on the market at present, during the use, can open the handcart and be used for carrying picnic food and outdoor apparatus, make things convenient for people to carry.

The patent with the application number of CN202222351627.4 discloses a novel foldable gathering tool car, which comprises a front wheel frame assembly, a middle wheel frame assembly, a rear wheel frame assembly, cross pipe assemblies arranged on two sides of a car body, a bottom frame assembly arranged at the bottom of the car body, a handle assembly arranged at the lower end part of the front wheel frame assembly, a wheel assembly arranged at the bottom ends of the front wheel frame assembly and the rear wheel frame assembly, wherein the front wheel frame assembly, the middle wheel frame assembly and the rear wheel frame assembly are connected through the cross pipe assemblies, the bottom frame assembly comprises a middle connecting piece and four bottom frame supporting rods respectively arranged at four corners of the middle connecting piece, and the bottom frame assemblies are two groups and are respectively arranged on two sides of the supporting rods; one end of each chassis brace rod is fixed on the middle connecting piece, the other end of each chassis brace rod of one group of chassis assemblies is connected to each of the two groups of front vertical rod assemblies and the two groups of middle vertical rod assemblies, and the other end of each chassis brace rod of the other group of chassis assemblies is connected to each of the two groups of middle vertical rod assemblies and the two groups of rear vertical rod assemblies.

In the patent, the front side and the rear side both adopt two groups of cross pipe assemblies to form a scissor telescopic structure, after the structure is folded, the length of the scissor telescopic structure in the vertical direction is longer after the scissor telescopic structure is contracted, the storage and the transportation are inconvenient, the volume provided after the expansion is small, and the storage articles are few; in addition, the structure can limit the expansion angle of the scissors telescopic structure when the connecting piece of the scissors telescopic structure is penetrated with the neutral rod, so that the scissors telescopic structure cannot be fully expanded, and the cross pipe assembly cannot be expanded to a horizontal state, so that the cross pipe assembly is supported only by the hinge shaft, has weak supportability and cannot be fully expanded to further limit the volume after expansion.

Disclosure of Invention

Based on the defects that the unfolding angle is small during unfolding in the prior art, the size after unfolding is small, the length of the folding bicycle in the vertical direction due to shrinkage is long, and the folding bicycle is inconvenient to store and transport, the utility model provides a camping folding bicycle.

The technical scheme adopted for solving the technical problems is as follows:

the camping folding vehicle comprises four wheel assemblies, telescopic pipes arranged on the four wheel assemblies, an upper hinge seat and a lower hinge seat which are fixed on the telescopic pipes, and two left-right folding brackets and two front-rear folding brackets which are arranged between the upper hinge seat and the lower hinge seat, wherein the upper hinge seat is in sliding connection with the telescopic pipes, the front-rear folding brackets comprise K groups of X-shaped first folding frames, K is a positive integer, four ends of the front end and the rear end of each first folding frame are hinged on the upper hinge seat and the lower hinge seat which are opposite to each other, and when K is more than 1, the four ends of each two adjacent first folding frames are hinged with each other; the left-right folding bracket comprises 2N+1 groups of X-shaped second folding brackets, N is a positive integer, the left end and the right end of each second folding bracket are hinged on two groups of upper and lower hinging seats which are opposite in front-back direction, and the four ends of each two adjacent first folding brackets are hinged with each other; the support assembly comprises a separated mounting seat, an underframe hinging seat and four underframes hinged to the underframe hinging seat, wherein four underframe arrays are distributed, two left underframes are hinged to two left-side front-rear opposite lower hinging seats, two right underframes are hinged to two right-side front-rear opposite lower hinging seats, four middle underframes are hinged to two front-rear opposite mounting seats, two connecting plates are hinged to the left side and the right side of the mounting seat respectively, and two connecting plates on the left side and the right side are hinged to 2N-1 groups of second folding frames and 2N+1 groups of second folding frames respectively. When the support component receives downward pressure, the second folding frame can be pressed down, the second folding frame is ensured to be unfolded completely, the volume is maximized, in addition, the structure is balanced in stress, and the support performance is good.

Preferably, k=2, n=1. The two first folding frames and the three second folding frames are arranged, the second folding frames on the left side and the right side after unfolding are respectively provided with a hack lever which is abutted against the lower hinge grooves on the lower hinge seat to form a plurality of stress points so as to provide larger supporting force, and meanwhile, the unfolding angle of the second folding frames is increased, so that the volume of the car body is improved.

Preferably, the top of each mounting seat and the bottom of the underframe hinging seat are respectively provided with four U-shaped grooves with upward openings and downward openings, wherein the two U-shaped grooves on the mounting seat respectively extend towards the left and right directions, and the two connecting plates are respectively hinged in the U-shaped grooves extending towards the left and right directions.

Specifically, the upper hinge seat is provided with two upper hinge grooves with downward openings, each upper hinge groove is provided with a horizontal abutting surface and a vertical downward abutting surface, the lower hinge seat is provided with at least three lower hinge grooves with upward openings, and each lower hinge groove is provided with a horizontal abutting surface and a vertical upward vertical abutting surface. The upper hinge seat provides a turnover angle of 90 degrees downwards in the horizontal direction for the rod piece hinged on the upper hinge seat, and the upper hinge seat provides a turnover angle of 90 degrees upwards in the horizontal direction for the rod piece hinged on the upper hinge seat, and the upper hinge seat abuts against the corresponding abutting surface to form a limit after rotating to a limit angle.

Specifically, two lower articulated seats opposite from front to back on the left side are provided with articulated lugs, a connecting seat with a U-shaped opening is articulated in each articulated lug, a connecting arm is articulated on each connecting seat, the other end of each connecting arm is articulated with a locking seat, a pull rod is inserted into each locking seat, and a handle is arranged at the end part of each pull rod. The rotation direction of the connecting seat is XZ axis direction, and the rotation direction of the locking seat is YZ axis direction.

Specifically, the telescopic pipe comprises an outer sleeve and an inner sleeve which are sleeved with each other, the outer sleeve is connected with the wheel assembly, and the inner sleeve is positioned inside the outer sleeve and can vertically stretch and retract along the outer sleeve. The telescopic pipe is used for adjusting the height, and cloth pockets with different depths are arranged after the height adjustment is completed, so that the purpose of adjusting the volume is achieved.

Specifically, be equipped with the fixing base that is used for installing the cloth pocket on the interior sleeve pipe, be equipped with the perforation that is used for wearing to establish cloth pocket connecting band on the fixing base. Through set up the connecting band on the cloth pocket, make a dash across the perforation with the connecting band and tie to the fixing base and realize fixing.

Specifically, the top of the outer sleeve is provided with a connecting structure, the connecting structure comprises a jack arranged at the top end part of the outer sleeve and an annular groove arranged on the side wall of the top of the outer sleeve, and the annular groove is arranged along the circumferential direction of the outer sleeve; the jack is used for inserting and installing the ceiling with the bracket, and the annular groove is used for binding and fixing the ceiling with the binding belt.

Preferably, the telescopic pipe is sleeved with a limiting ring, the limiting ring is located above the lower hinge seat, the limiting ring and the telescopic pipe are provided with limiting structures, each limiting structure comprises two horizontally opposite through holes arranged on the limiting ring and a plurality of horizontal pin holes arranged on the telescopic pipe, and the limiting ring is limited by a limiting pin penetrating through the pin holes and the through holes of the limiting ring. The limiting ring limits the position of the upper hinging seat formed by sliding downwards, and the position can be adjusted by adjusting the height of the limiting ring.

Specifically, the wheel assembly comprises a wheel frame and travelling wheels, the travelling wheels are arranged on the wheel frame, and the telescopic pipe is fixed at the top of the wheel frame.

Compared with the prior art, the utility model has the advantages that: the folding device is provided with K groups of first folding frames and 2N+1 groups of second folding frames, the second folding frames on the left side and the right side after being unfolded are provided with a hack lever which is abutted against the lower hinge grooves on the lower hinge seat to form a plurality of stress points so as to provide larger supporting force, and meanwhile, the unfolding angle of the second folding frames is increased, so that the volume of a vehicle body is improved; secondly, the installation of the supporting component is realized by arranging the separated installation seat and matching with the connecting plate and the lower hinging seat, and when the supporting component is unfolded, the underframe of the supporting component can be in a horizontal state, so that the supporting component has more stress points and good supporting performance; in addition, after the telescopic pipes are contracted and gathered, the telescopic pipes are retracted, and the vertical length is reduced along with the lifting of the number of the two folding frames, so that the telescopic pipes are more beneficial to storage and transportation.

Drawings

The utility model will be described in further detail below in connection with the drawings and the preferred embodiments, but it will be appreciated by those skilled in the art that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the utility model. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.

FIG. 1 is a perspective view of a camping folding cart;

FIG. 2 is a perspective view of the camping folding cart (with the inner sleeve removed);

FIG. 3 is a top view of the camping folding cart;

FIG. 4 is an enlarged view of FIG. 1 at A;

FIG. 5 is an enlarged view at B in FIG. 3;

FIG. 6 is a perspective view of the camping folding cart in a semi-bunched state;

in the figure: 10. a wheel assembly; 20. a telescopic tube; 201. an outer sleeve; 202. an inner sleeve; 203. a fixing seat; 30. folding the bracket forwards and backwards; 301. a first folding frame; 401. a connecting arm; 402. a locking seat; 403. a pull rod; 404. a handle; 405. a connecting seat; 50. folding the bracket left and right; 501. a second folded bracket; 60. a support assembly; 601. a mounting base; 602. a chassis; 603. the underframe hinging seat; 70. a connecting plate; 80. a limiting ring; 801. a through hole; 01. an upper hinging seat; 02. a lower hinge seat; 021. and (5) hinging the lugs.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the drawings, and those skilled in the art will appreciate that the descriptions are merely illustrative, exemplary, and should not be construed as limiting the scope of the present utility model.

It should be noted that: like reference numerals denote like items in the following figures, and thus once an item is defined in one figure, it may not be further defined and explained in the following figures.

The title of the camping folding vehicle is mainly described in the embodiment, and the title is specifically as follows:

1-5, the camping folding cart comprises four wheel assemblies 10, telescopic pipes 20 arranged on the four wheel assemblies 10, upper and lower hinge seats 01 and 02 fixed on the telescopic pipes 20, two left and right folding brackets 50 and two front and rear folding brackets 30 arranged between the upper and lower hinge seats 01 and 02, wherein the upper hinge seat 01 is in sliding connection with the telescopic pipes 20, the front and rear folding brackets 30 comprise K groups of X-shaped first folding frames 301, K is a positive integer, the front and rear ends of the first folding frames 301 are hinged on the front and rear opposite upper and lower hinge seats 01 and 02, and when K >1, the four ends of each two adjacent first folding frames 301 are hinged with each other; the left-right folding bracket 50 comprises 2n+1 groups of X-shaped second folding frames 501, n is a positive integer, four ends of the left end and the right end of each second folding frame 501 are hinged on two groups of upper and lower hinge seats 01 and 02 which are opposite in front-back direction, and four ends of each two adjacent first folding frames 301 are hinged with each other; the two groups of support assemblies 60 are further included, each support assembly 60 comprises a separated mounting seat 601, an underframe hinging seat 603 and four underframes 602 hinged to the underframe hinging seat 603, the four underframes 602 are distributed in an annular array, the two underframes 602 on the left side are hinged to the two lower hinging seats 02 which are opposite front and back on the left side, the two underframes 602 on the right side are hinged to the two lower hinging seats 02 which are opposite front and back on the right side, the four underframes 602 in the middle are hinged to the two mounting seats 601 which are opposite front and back, and the two connecting plates 70 on the left side and the right side are respectively hinged to the 2N-1 group of second folding frames 501 and the 2N+1 group of second folding frames 501. When the supporting component 60 receives a downward pressure, the second folding frame 501 is pressed down, so that the second folding frame 501 is ensured to be fully unfolded to maximize the volume, in addition, the supporting component 60 can be fully unfolded to be in a horizontal state, the stress points are increased, the stress is balanced, and the supporting property is good.

Specifically, the upper hinge seat 01 is provided with two upper hinge grooves with downward openings, each upper hinge groove is provided with a horizontal abutting surface and a vertical downward abutting surface, the lower hinge seat 02 is provided with at least three lower hinge grooves with upward openings, and each lower hinge groove is provided with a horizontal abutting surface and a vertical upward vertical abutting surface. The upper hinge seat 01 provides a turnover angle of 90 degrees downwards in the horizontal direction for the rod piece hinged on the upper hinge seat, and the upper hinge seat 01 provides a turnover angle of 90 degrees upwards in the horizontal direction for the rod piece hinged on the upper hinge seat, and the upper hinge seat is abutted against the corresponding abutting surface to form limit after rotating to a limit angle.

Preferably, k=2, n=1. Namely, two first folding frames 301 and three second folding frames 501 are arranged, after the folding frames are unfolded, the second folding frames 501 on the left side and the right side are provided with a hack lever which is abutted against the lower hinge grooves on the lower hinge seat 02 to form a plurality of stress points so as to provide larger supporting force, and meanwhile, the unfolding angle of the second folding frames 501 is increased, so that the volume of the vehicle body is improved.

Reinforcing structure part:

as shown in fig. 2, 3 and 5, the top of each mounting seat 601 and the bottom of the chassis hinging seat 603 are respectively provided with four U-shaped grooves with upward openings and downward openings, wherein two U-shaped grooves on the mounting seat 601 respectively extend towards the left and right directions, and two connecting plates 70 are respectively hinged in the U-shaped grooves extending towards the left and right directions. The two connecting plates 70 hinged with the mounting seat 601 and the second folding frame 501 respectively are arranged to be connected with each other to play a supporting role, when the folding frame is unfolded, the underframe 602 can be completely horizontal, one end of the underframe 602 abuts against the U-shaped groove to the bottom of the groove, the other end abuts against the U-shaped groove at the bottom of the underframe hinge seat 603, and the supporting performance is enhanced due to multi-point stress.

A pull rod part:

as shown in fig. 1, two lower hinge seats 02 opposite to each other from the left side and the front and the back are provided with hinge lugs, a connecting seat 405 with a U-shaped opening is hinged in each hinge lug, a connecting arm 401 is hinged on each connecting seat 405, the other end of each connecting arm 401 is hinged with a locking seat 402, a pull rod 403 is inserted into each locking seat 402, and a handle 404 is arranged at the end part of each pull rod 403. The rotation direction of the connection holder 405 is XZ axis direction, and the rotation direction of the locking holder 402 is YZ axis direction.

Extension tube part:

as shown in fig. 1, the telescopic tube 20 includes an outer tube 201 and an inner tube 202 which are sleeved with each other, the outer tube 201 is connected with the wheel assembly 10, and the inner tube 202 is located inside the outer tube 201 and can be vertically telescopic along the outer tube 201. The telescopic tube 20 is used for adjusting the height, and cloth bags with different depths are installed after the height adjustment is completed, so that the purpose of adjusting the volume is achieved.

Preferably, the inner sleeve 202 is provided with a fixing seat 203 for installing a cloth bag, and the fixing seat 203 is provided with a through hole for penetrating the cloth bag connecting belt. By arranging the connecting belt on the cloth bag, the connecting belt passes through the perforation and is tied on the fixing seat 203 to realize fixation.

Preferably, the top of the outer sleeve 201 is provided with a connecting structure, the connecting structure comprises a jack arranged at the top end part of the outer sleeve 201 and an annular groove arranged on the side wall of the top of the outer sleeve 201, and the annular groove is circumferentially arranged along the outer sleeve 201; the jack is used for inserting and installing the ceiling with the bracket, and the annular groove is used for binding and fixing the ceiling with the binding belt.

Limit part:

as shown in fig. 1 and fig. 4, a limiting ring 80 is sleeved on the telescopic tube 20, the limiting ring 80 is located above the lower hinge seat 02, limiting structures are arranged on the limiting ring 80 and the telescopic tube 20, each limiting structure comprises two horizontally opposite through holes 801 arranged on the limiting ring 80 and a plurality of horizontal pin holes arranged on the telescopic tube 20, and the limiting ring 80 is limited by limiting pins penetrating through the pin holes and the through holes 801 of the limiting ring 80. The limiting ring 80 limits the position of the upper hinge seat 01 formed by sliding downwards, and the position can be adjusted by adjusting the height of the limiting ring 80.

Wheel portion:

as shown in fig. 1, the wheel assembly 10 includes a wheel frame and road wheels provided on the wheel frame, and a telescopic tube 20 fixed to the top of the wheel frame.

While the foregoing has been provided to illustrate the principles and embodiments of the present utility model, and while specific embodiments have been described herein, it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the principles and embodiments of the utility model, the utility model is defined in the appended claims.

Claims (10)

1. The camping folding cart comprises four wheel assemblies, telescopic pipes arranged on the four wheel assemblies, an upper hinge seat and a lower hinge seat fixed on each telescopic pipe, two left and right folding brackets and two front and rear folding brackets arranged between the upper hinge seat and the lower hinge seat, wherein the upper hinge seat is in sliding connection with the telescopic pipes.

2. The camping folding cart of claim 1, wherein the front-back folding bracket comprises K groups of X-shaped first folding brackets, K is a positive integer, four ends of the front and back ends of the first folding brackets are hinged on upper and lower hinging seats which are opposite front and back, and when K is greater than 1, four ends of two adjacent first folding brackets are hinged with each other; the left-right folding bracket comprises 2N+1 groups of X-shaped second folding brackets, N is a positive integer, the left end and the right end of each second folding bracket are hinged on two groups of upper and lower hinging seats which are opposite front and back, and the four ends of each two adjacent first folding brackets are hinged with each other.

3. The folding camping car of claim 2, wherein the top of each mounting seat and the bottom of the underframe hinging seat are respectively provided with four U-shaped grooves with upward openings and downward openings, wherein two U-shaped grooves on the mounting seat respectively extend towards the left and right directions, and two connecting plates are respectively hinged in the U-shaped grooves extending towards the left and right directions.

4. The folding camping car of claim 2, wherein the upper hinge base is provided with two upper hinge grooves with downward openings and the upper hinge grooves are provided with horizontal abutting surfaces and vertical downward abutting surfaces, the lower hinge base is provided with at least three lower hinge grooves with upward openings and the lower hinge grooves are provided with horizontal abutting surfaces and vertical upward abutting surfaces.

5. The folding camping car according to claim 2, wherein two lower hinging seats opposite to each other from the left side to the front and the back are provided with hinging lugs, a connecting seat with a U-shaped opening is hinged in the hinging lugs, a connecting arm is hinged on the connecting seat, the other end of the connecting arm is hinged with a locking seat, a pull rod is inserted in the locking seat, and a handle is arranged at the end part of the pull rod.

6. The folding camping car of claim 2, wherein the telescoping tube comprises an outer sleeve and an inner sleeve that are sleeved with each other, the outer sleeve being connected to the wheel assembly, the inner sleeve being positioned inside the outer sleeve and being vertically telescoping with respect to the outer sleeve.

7. The folding camping car of claim 6, wherein the inner sleeve is provided with a fixing seat for installing the cloth bag, and the fixing seat is provided with a through hole for penetrating the cloth bag connecting belt.

8. The folding camping cart of claim 6, wherein the top of the outer sleeve is provided with a connecting structure, the connecting structure comprises a jack arranged at the top end of the outer sleeve and an annular groove arranged on the side wall of the top of the outer sleeve, and the annular groove is arranged along the circumferential direction of the outer sleeve; the jack is used for inserting and installing the ceiling with the bracket, and the annular groove is used for binding and fixing the ceiling with the binding belt.

9. The folding camping car of claim 6, wherein the telescopic tube is sleeved with a limiting ring, the limiting ring is located above the lower hinge seat, limiting structures are arranged on the limiting ring and the telescopic tube, each limiting structure comprises two horizontally opposite through holes arranged on the limiting ring and a plurality of horizontal pin holes arranged on the telescopic tube, and the limiting ring is limited by a limiting pin penetrating through the pin holes and the through holes of the limiting ring.

10. The folding camping car of claim 1, wherein the wheel assembly comprises a wheel frame and a road wheel, the road wheel is disposed on the wheel frame, and the telescoping tube is fixed to the top of the wheel frame.