Lengthened folding bicycle

Abstract

The utility model belongs to the technical field of folding bicycles, and particularly relates to a lengthened folding bicycle which comprises two fixed wheels and two universal wheels, the tops of the two fixed wheels and the two universal wheels are respectively provided with the same front fork assembly, the two front fork assemblies comprise two lower fixing pieces, steel pipes are fixedly connected to the upper portions of the two lower fixing pieces, and the lower portions of the two lower fixing pieces are respectively provided with an upper fixing piece and a lower fixing piece. A side fork assembly is arranged between each set of fixed wheel and universal wheel, a bottom frame assembly is arranged between the multiple lower fixing pieces, a pull rod assembly is arranged on one side of the front fork assembly above the two universal wheels, the tops of the multiple steel pipes are fixedly connected with the same upper fixing pieces, and the upper fixing pieces are fixedly connected with the lower fixing pieces. One sides of the lower fixing pieces are movably connected with front and rear side forks, and one sides of the lower fixing pieces are movably connected with the same front and rear side forks. Compared with the conventional folding vehicle, the folding vehicle disclosed by the utility model is longer and wider in vehicle body, larger in capacity, smaller in folding size and larger in load, and solves the problem that super-long articles are difficult to carry during outdoor camping.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of folding bicycle, concretely is a lengthened folding bicycle. BACKGROUND

[0002] Folding bicycle refers to the trolley that can adopt the folding mode to reduce the body volume, for the convenience of carrying and storing, the folding version is designed as far as possible for the light trolley of various purposes.

[0003] The folding bicycle on the market, in order to meet the nature of folding, the weight of the frame is not enough, often in the middle of carrying objects, damage will occur, can not meet the use demand, and the left and right shaking of pull rod and the inboard phenomenon of universal wheel can lead to the actual use effect of folding bicycle is lower. UTILITY MODEL CONTENT

[0004] In view of the deficiency of prior art, the utility model provides a lengthened folding bicycle, solves the problem in the background.

[0005] To achieve the above object, the utility model is realized by the following technical scheme:

[0006] A lengthened folding bicycle, including two fixed wheels and two universal wheels, the top of two groups of fixed wheels and universal wheels is provided with the same positive fork assembly, two the positive fork assembly includes two lower fixed parts, the upper side of two lower fixed parts is fixedly connected with steel pipe, the side fork assembly is arranged between each group of fixed wheel and universal wheel, the bottom frame assembly is arranged between multiple lower fixed parts, and the side of the positive fork assembly above the two universal wheels is provided with a pull rod assembly.

[0007] In one preferred scheme, the top of multiple steel pipes is fixedly connected with the same upper fixed part, one side of multiple lower fixed parts is movably connected with front and rear crosspieces, one side of multiple lower fixed parts is movably connected with the same front and rear crosspieces, and a group of front and rear crosspieces in the same positive fork assembly is cross-distributed, the intersection of one group of front and rear crosspieces is provided with a crosspiece fixed part, and the intersection of another group of front and rear crosspieces is provided with a crosspiece sliding part.

[0008] In one preferred scheme, the pull rod assembly includes two circular tubes, and one end of the two circular tubes is movably connected in one of the lower fixed parts.

[0009] In one preferred scheme, the other end of the two circular tubes is movably connected with the same pull rod, the bottom of the pull rod is movably connected with two connecting sheets, and the two connecting sheets are connected to the outer wall of one of the circular tubes.

[0010] In one preferred scheme, the bottom frame assembly comprises a plurality of bottom support rods, one end of the plurality of bottom support rods movably connected to one side of one of the lower fixing members, the plurality of bottom support rods being cross-distributed, and a bottom rod fixing member being arranged at each cross point.

[0011] In one preferred scheme, bottom suspension members are arranged on the two bottom support rods, and a bottom horizontal support rod is fixedly connected between the two bottom suspension members, and a bottom straight connection member is arranged on the bottom horizontal support rod.

[0012] In one preferred scheme, the side fork assembly comprises two groups of side frame sliding side forks one and side frame sliding side forks two, one side of the two side frame sliding side forks one movably connected to one side of one of the upper fixing members, one side of the two side frame sliding side forks two movably connected to one side of one of the lower fixing members, side fork sliding members and side fork fixing members arranged at the cross points of the two groups of side frame sliding side forks one and side frame sliding side forks two, and the same side fork one movably connected to one end of each of the side frame sliding side forks one and side frame sliding side forks two, and a triangular ring arranged at the intersection of each group of side fork one.

[0013] In one preferred scheme, a sling is arranged inside each of the two triangular rings, and one end of the sling fixedly connected to the bottom suspension member.

[0014] Beneficial effects

[0015] The utility model provides a kind of lengthened folding car.Compared with prior art, it has the following beneficial effects:

[0016] 1. The lengthened folding car, the bottom frame adopts a plurality of cross structures and adjacent cross structures to increase a straight connection mechanism, the straight connection mechanism is suspended on the side frame by the bottom suspension member, and the plurality of cross structures realize the overlength design of the vehicle body.

[0017] 2. The lengthened folding car, the bottom side frame and the front and rear frame adopt a cross sliding folding mechanism, which can make the folding size of the vehicle body shorter and smaller, improve the flexibility of the device, and be more convenient to move.

[0018] 3. The lengthened folding car, the bottom pull rod and the circular tube increase a connecting piece, the connecting piece supports the pull rod circular tube after the pull rod is pulled out, which can solve the left and right shaking of the pull rod and the inward retraction of the universal wheel, and improve the stability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0020] Figure 2 It is another schematic diagram of the main structure of the utility model;

[0021] Figure 3 It is another view angle schematic view of the main body cross section structure of the utility model;

[0022] Figure 4 It is another view angle schematic view of the main body cross section structure of the utility model;

[0023] Figure 5 It is another view angle schematic view of the main body cross section structure of the utility model

[0024] Figure 6 It is another view angle schematic view of the main body cross section structure of the utility model

[0025] In the figure: 1, fixed wheel; 2, sling; 3, universal wheel; 4, straight fork assembly; 401, lower fixing part; 402, upper fixing part; 403, front and rear side fork; 404, side fork fixing part; 405, side fork sliding part; 5, pull rod assembly; 501, pull rod; 502, round tube; 503, connecting sheet; 6, bottom frame assembly; 601, bottom support rod; 602, bottom rod fixing part; 603, bottom horizontal support rod; 604, bottom straight connection part; 605, bottom suspension part; 7, side fork assembly; 701, side fork sliding part; 702, side fork fixing part; 703, triangular ring; 704, side fork one; 705, side frame sliding side fork one; 706, side frame sliding side fork two. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] Please refer to Figures 1-6 A lengthened folding vehicle, including two fixed wheels 1 and two universal wheels 3, the top of two groups of fixed wheels 1 and universal wheels 3 is provided with same straight fork assembly 4 respectively, two straight fork assemblies 4 include two lower fixing parts 401, the upper of two lower fixing parts 401 is fixedly connected with steel pipe, the side fork assembly 7 is arranged between each group of fixed wheels 1 and universal wheels 3, the bottom frame assembly 6 is arranged between multiple lower fixing parts 401, and the straight fork assembly 4 on the upper of two universal wheels 3 is provided with pull rod assembly 5 on one side.

[0028] In a specific embodiment, the top of each of the plurality of steel pipes is fixedly connected with the same upper fixing member 402, one side of the plurality of lower fixing members 401 is movably connected with the front and rear side forks 403, one side of the plurality of lower fixing members 401 is movably connected with the same front and rear side forks 403, and the inside of the same front and rear fork assembly 4 is cross-distributed with a group of front and rear side forks 403, the intersection of one group of front and rear side forks 403 is provided with a side fork fixing member 404, and the intersection of the other group of front and rear side forks 403 is provided with a side fork sliding member 405.

[0029] In a specific embodiment, the pull rod assembly 5 includes two circular tubes 502, and one end of each of the two circular tubes 502 is movably connected in one of the lower fixing members 401.

[0030] In a specific embodiment, the other end of each of the two circular tubes 502 is movably connected with the same pull rod 501, the bottom of the pull rod 501 is movably connected with two connecting plates 503, and each of the two connecting plates 503 is connected to the outer wall of one of the circular tubes 502.

[0031] In a specific embodiment, the bottom frame assembly 6 includes a plurality of bottom support rods 601, one end of each of the plurality of bottom support rods 601 is movably connected to one side of one of the lower fixing members 401, and the plurality of bottom support rods 601 are cross-distributed, and each intersection is provided with a bottom rod fixing member 602.

[0032] In a specific embodiment, each of the two bottom support rods 601 is provided with a bottom suspension member 605, and the two bottom suspension members 605 are fixedly connected with a bottom horizontal support rod 603, and the bottom horizontal support rod 603 is provided with a bottom direct connection member 604.

[0033] The bottom frame assembly 6 adopts a plurality of cross structures and adjacent cross structures to increase the direct connection mechanism, the direct connection mechanism is suspended on the side frame through the bottom suspension member 605, the plurality of cross structures realize the super-long design of the vehicle body, the direct connection mechanism is suspended on the side fork assembly 7 through the bottom suspension member 605, and the greater bearing of the vehicle body bottom frame is increased

[0034] In a specific embodiment, the side fork assembly 7 includes two groups of side frame sliding side forks one 705 and side frame sliding side forks two 706, one side of each of the two side frame sliding side forks one 705 is movably connected to one side of one of the upper fixing members 402, one side of each of the two side frame sliding side forks two 706 is movably connected to one side of one of the lower fixing members 401, the intersection of the two groups of side frame sliding side forks one 705 and side frame sliding side forks two 706 is provided with a side fork sliding member 701 and a side fork fixing member 702, and one end of each of the side frame sliding side forks one 705 and the side frame sliding side forks two 706 is movably connected with the same side fork one 704, and the intersection of each group of side fork one 704 is provided with a triangular ring 703.

[0035] The bottom frame assembly and the positive fork assembly adopt the cross-sliding folding mechanism, which can make the folding size of the vehicle body shorter and smaller, improve the flexibility of the device and be more convenient to move.

[0036] In a specific embodiment, the inside of the two triangular rings 703 is provided with a sling 2, one end of the sling 2 being fixedly connected to the bottom suspension 605.

[0037] The connecting plate 503 is added between the pull rod 501 and the circular tube 502, the connecting plate 503 supports the pull rod circular tube 502 after the pull rod 501 is pulled out, the left and right shaking of the pull rod 501 and the inward retraction of the universal wheel 3 can be solved, and the stability of the device is improved.

[0038] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0039] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An extended folding bicycle, comprising two fixed wheels (1) and two swivel wheels (3), characterized in that: The top of each of the two sets of fixed wheels (1) and swivel wheels (3) is provided with the same fork assembly (4). The two fork assemblies (4) include two lower fixing parts (401). A steel pipe is fixedly connected above each of the two lower fixing parts (401). A side fork assembly (7) is provided between each set of fixed wheels (1) and swivel wheels (3). A bottom frame assembly (6) is provided between multiple lower fixing parts (401). A pull rod assembly (5) is provided on one side of the fork assembly (4) above the two swivel wheels (3).

2. The extended folding bicycle according to claim 1, characterized in that: The top of each of the steel pipes is fixedly connected with the same upper fixing member (402), and the lower fixing members (401) are movably connected to one side with the front and rear side forks (403). The lower fixing members (401) are movably connected to one side with the same front and rear side forks (403). A set of front and rear side forks (403) inside the same fork assembly (4) are crisscrossed. A side fork fixing member (404) is provided at the intersection of one set of front and rear side forks (403), and a side fork sliding member (405) is provided at the intersection of another set of front and rear side forks (403).

3. The extended folding bicycle according to claim 1, characterized in that: The pull rod assembly (5) includes two round tubes (502), one end of which is movably connected to one of the lower fixing parts (401).

4. The extended folding bicycle according to claim 3, characterized in that: The other ends of the two round tubes (502) are movably connected to the same pull rod (501), and the bottom of the pull rod (501) is movably connected to two connecting pieces (503), which are respectively connected to the outer wall of one of the round tubes (502).

5. The extended folding bicycle according to claim 1, characterized in that: The bottom frame assembly (6) includes multiple bottom support rods (601), one end of which is movably connected to one side of a lower fixing member (401). The multiple bottom support rods (601) are distributed in a cross pattern, and a bottom rod fixing member (602) is provided at each intersection point.

6. The extended folding bicycle according to claim 5, characterized in that: Both bottom support rods (601) are provided with bottom suspension components (605), and a bottom horizontal support rod (603) is fixedly connected between the two bottom suspension components (605). A bottom straight connection component (604) is provided on the bottom horizontal support rod (603).

7. The extended folding bicycle according to claim 2, characterized in that: The side fork assembly (7) includes two sets of side frame sliding side forks one (705) and two sets of side frame sliding side forks two (706). One side of the two sets of side frame sliding side forks one (705) is movably connected to one side of one of the upper fixing members (402), and one side of the two sets of side frame sliding side forks two (706) is movably connected to one side of one of the lower fixing members (401). A side fork slider (701) and a side fork fixing member (702) are provided at the intersection of the two sets of side frame sliding side forks one (705) and side frame sliding side forks two (706). One end of each set of side frame sliding side forks one (705) and side frame sliding side forks two (706) is movably connected to the same side fork one (704). A triangular ring (703) is provided at the intersection of each set of side forks one (704).

8. The extended folding bicycle according to claim 7, characterized in that: Both of the triangular rings (703) are equipped with slings (2) inside, and one end of the slings (2) is fixedly connected to the bottom suspension member (605).

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