Width-adjustable folding bicycle frame

Abstract

The width-adjustable folding bicycle frame comprises a telescopic frame and connecting frames symmetrically arranged at the two ends of the telescopic frame, the telescopic frame comprises a first telescopic rod and a second telescopic rod, the first telescopic rod is movably inserted into the second telescopic rod, the connecting end of the second telescopic rod is sleeved with a positioning seat, and the connecting end of the second telescopic rod is connected with the positioning seat. The other end of the second telescopic rod and the other end of the first telescopic rod are connected with connecting frames respectively, a plurality of positioning pieces are arranged on the connecting frame at the front end, a positioning groove is formed in the positioning seat, and the positioning pieces are clamped into the positioning groove to position the first telescopic rod and the second telescopic rod. According to the width-adjustable folding bicycle frame, the distance between the connecting frames at the two ends can be adjusted through movable insertion of the first telescopic rod and the second telescopic rod, the positioning seats between the telescopic rods can be matched with the positioning pieces on the connecting frames in a positioning mode, the bicycle frame can be integrally shaped, the connecting frames can be connected with an external bicycle frame basket, and the width of the bicycle frame can be adjusted. Therefore, the overall width of the vehicle body is adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of folding bicycle, especially a width adjustable folding bicycle frame. BACKGROUND

[0002] With the improvement of living standards, more and more people like to drive to outdoor activities, and at the same time, they will carry a lot of picnic food and outdoor tools, but the car can only be driven to the parking lot, and the remaining distance needs to be completed by walking. It is very inconvenient for people to carry so many things outdoors. Now the market also starts to sell folding trolleys that can be folded in the trunk. When using, the folding trolley can be opened for carrying picnic food and outdoor tools, which is convenient for people to carry. The existing folding car structure is fixed, and when more goods need to be transported, it cannot be adapted, resulting in inconvenience. SUMMARY

[0003] (I) Technical problem to be solved

[0004] The problem to be solved by the utility model is to provide a width adjustable folding bicycle frame to overcome the defect that the length of the folding bicycle cannot be changed in the prior art, resulting in fixed capacity and inconvenience in use.

[0005] (II) Technical scheme

[0006] To solve the technical problem, the utility model provides a width adjustable folding bicycle frame, which comprises a telescopic frame and a connecting frame symmetrically arranged at both ends of the telescopic frame, the telescopic frame comprises a first telescopic rod and a second telescopic rod, the first telescopic rod is movably inserted into the second telescopic rod, a connecting end of the second telescopic rod is sleeved with a positioning seat, the other end of the second telescopic rod and the first telescopic rod is connected with the connecting frame respectively, a plurality of positioning pieces are arranged on the connecting frame at the front end, a positioning groove is arranged on the positioning seat, and the positioning piece is clamped into the positioning groove to position the first telescopic rod and the second telescopic rod.

[0007] In some embodiments, the positioning piece is installed on the connecting frame through a swing rod, a hinge seat is arranged on the connecting frame, the end of the swing rod is reversely installed on the hinge seat, and the positioning piece is sleeved on the swing rod.

[0008] In some embodiments, the positioning piece is installed on the connecting frame through a swing rod, a hinge seat is arranged on the connecting frame, the end of the swing rod is reversely installed on the hinge seat, and the positioning piece is sleeved on the swing rod.

[0009] In some embodiments, the bottom of the connecting frame is rotatably installed with a roller frame, symmetrical roller frames are installed on both sides of the roller frame, the upper end of the roller frame is provided with a connecting shaft, and the connecting shaft is inserted into the bottom of the connecting frame.

[0010] In some embodiments, the roller frame is a hollow cylinder, a roller shaft is inserted into the roller frame, the rollers are installed on both sides of the roller shaft, and a handle is movably installed on the front end of the roller shaft.

[0011] In some embodiments, symmetrical connecting parts are provided at both ends of the handle, the connecting parts are respectively sleeved on both sides of the roller shaft, the upper end of the connecting frame is further provided with a connecting rod, and the connecting rod is used for connecting an external vehicle body frame.

[0012] (Three) beneficial effects

[0013] The utility model provides a width adjustable folding bicycle frame, and the connecting frame spacing between both ends is adjustable by the first telescopic rod and the second telescopic rod, the positioning seat between the telescopic rods and the positioning piece on the connecting frame can be positioned and matched, the overall shape of the frame is realized, the connecting frame can be connected with an external frame basket, the overall width of the vehicle body is adjusted, and the outdoor vehicle can be flexibly used according to different transportation capacity. ACCURATE DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0015] Figure 1 It is a perspective view of the utility model kind of width adjustable folding bicycle frame;

[0016] Figure 2 It is a telescopic frame and connecting frame perspective view of the utility model kind of width adjustable folding bicycle frame;

[0017] Figure 3 It is a connecting frame, swing rod and positioning seat perspective view of the utility model kind of width adjustable folding bicycle frame;

[0018] Figure 4 It is a connecting frame and swing rod perspective view of the utility model kind of width adjustable folding bicycle frame;

[0019] Figure 5 It is a connecting frame and roller frame explosion view of the utility model kind of width adjustable folding bicycle frame;

[0020] Figure 6The utility model relates to a folding vehicle frame with adjustable width, which comprises a frame, a first telescopic rod, a second telescopic rod, a positioning seat, a positioning member, a positioning groove, a hinge seat, a swing rod, a positioning column, a positioning hole, a mounting hole, a roller frame, a roller, a connecting shaft, a roller shaft, a handle, a connecting part and a connecting rod.

[0021] Figure 7 The utility model relates to a folding vehicle frame with adjustable width, which comprises a frame, a first telescopic rod, a second telescopic rod, a positioning seat, a positioning member, a positioning groove, a hinge seat, a swing rod, a positioning column, a positioning hole, a mounting hole, a roller frame, a roller, a connecting shaft, a roller shaft, a handle, a connecting part and a connecting rod.

[0022] Corresponding component names of various reference numerals in the figure are as follows: 1, connecting frame; 2, first telescopic rod; 3, second telescopic rod; 4, positioning seat; 5, positioning member; 6, positioning groove; 7, hinge seat; 8, swing rod; 9, positioning column; 10, positioning hole; 11, mounting hole; 12, roller frame; 13, roller; 14, connecting shaft; 15, roller shaft; 16, handle; 17, connecting part; 18, connecting rod. DETAILED DESCRIPTION

[0023] The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0024] The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0025] It is to be understood that the foregoing description is that of only some embodiments of the application and that many modifications, additions and other embodiments within the scope of the application can be apparent to those skilled in the art from this disclosure. It will be readily apparent to those skilled in the art that the present application is susceptible of broad hardware and software applications. Accordingly, the application is not to be limited by the foregoing description, but is to be understood in the broadest possible sense and determined by the appended claims and their equivalents.

[0026] It is also need to be explained that the figures provided in the following embodiments only illustrate the basic concept of the present application in a schematic way, and only the components related to the present application are shown in the figures, not the components number, shape and size when actually implemented, the actual implementation of each component type, number and proportion can be a random change, and the component layout type can be more complex.

[0027] In addition, in the following description, specific details are provided to facilitate a thorough understanding of the examples. However, one skilled in the art will understand that the examples can be practiced without these specific details.

[0028] Referring to Figures 1-7 The utility model provides a width adjustable folding bicycle frame, including telescopic frame and symmetrical setting connecting frame 1 in telescopic frame both ends, the upper end of connecting frame 1 still is equipped with connecting rod 18, and connecting rod 18 is used to connect external car body frame, and telescopic frame includes first telescopic rod 2 and second telescopic rod 3, and first telescopic rod 2 is movably inserted in second telescopic rod 3, and the connecting end of second telescopic rod 3 is equipped with locating seat 4, and the other end of second telescopic rod 3 and first telescopic rod 2 is connected connecting frame 1 respectively, so that the spacing of both ends connecting frame 1 can be adjusted after first telescopic rod 2 extends into second telescopic rod 3, thereby adjusting the width of overall frame, and locating seat 4 can be used for positioning connecting frame 1, specifically, a plurality of locating pieces 5 are equipped on the connecting frame 1 of front end, locating groove 6 is equipped on locating seat 4, locating piece 5 is clamped into locating groove 6 and positions first telescopic rod 2 and second telescopic rod 3, wherein locating piece 5 is installed on connecting frame 1 by swing bar 8, hinged seat 7 is equipped on connecting frame 1, and the end of swing bar 8 is installed on hinged seat 7 by overturning, locating piece 5 is equipped on swing bar 8, locating piece 5 is clamped into locating groove 6 in normal state and makes both ends connecting frame 1 unable to move mutually, and overturning swing bar 8 can make locating piece 5 separate from locating groove 6, at this time, the unlocking state is realized, and the both sides of locating piece 5 are symmetrically extended and form locating column 9, and the both sides of locating groove 6 are symmetrically equipped with locating hole 10 corresponding with locating column 9, and locating column 9 is clamped into locating hole 10 and makes locating groove 6 can lock locating piece 5.

[0029] In some embodiments, as Figure 1 , Figure 5 and Figure 7As shown, the positioning seat 4 is symmetrically provided with mounting holes 11, the second telescopic rod 3 is inserted and fixed in the mounting holes 11, the bottom of the connecting frame 1 is rotatably provided with a roller frame 12, the roller frame 12 is symmetrically provided with a roller 13 on both sides, the upper end of the roller frame 12 is provided with a connecting shaft 14, the connecting shaft 14 is inserted in the bottom of the connecting frame 1, the roller frame 12 can rotate along the connecting shaft 14, so that the bottom roller 13 can be angularly movable with the frame, the roller frame 12 is a hollow cylinder, a roller shaft 15 is inserted in the roller frame 12, the roller 13 is installed on both sides of the roller shaft 15, the front end of the roller shaft 15 is movably provided with a handle 16, the handle 16 is symmetrically provided with a connecting part 17 at both ends, the connecting part 17 is sleeved on both sides of the roller shaft 15, the connecting part 17 enables the handle 16 to be flipped, and the handle 16 can be pulled to move the frame as a whole after being pulled upward; in the embodiment, the connecting frame 1, the telescopic frame and various components are made of carbon fiber material, the material can only be connected by insertion, and cannot be screwed.

[0030] The utility model provides a kind of width adjustable folding bicycle frame, and the spacing between the connecting frame of both ends is adjustable by the first telescopic rod and second telescopic rod movable insertion, and the positioning seat between telescopic rod and the positioning piece on connecting frame can be positioned cooperation, realize the whole shaping of frame, and connecting frame can be connected external frame basket, to realize the overall width adjustment of vehicle body, so that outdoor vehicle can be flexibly used for different transport capacity.

[0031] The above is only preferred embodiment of the utility model, it should be pointed out that, for ordinary skilled person in the art, without departing from the technical principle of the utility model, a number of improvements and refinements can be made, these improvements and refinements should also be regarded as the protection range of the utility model.

Claims

1. A width-adjustable folding vehicle frame comprising a telescopic frame and a connecting frame (1) symmetrically arranged at both ends of the telescopic frame, characterized in that: The telescopic frame comprises a first telescopic rod (2) and a second telescopic rod (3), the first telescopic rod (2) is movably inserted into the second telescopic rod (3), a connecting end of the second telescopic rod (3) is sleeved with a positioning seat (4), the other end of the second telescopic rod (3) and the first telescopic rod (2) is connected with the connecting frame (1) respectively, a plurality of positioning members (5) are arranged on the front connecting frame (1), a positioning groove (6) is arranged on the positioning seat (4), the positioning member (5) is clamped into the positioning groove (6) to position the first telescopic rod (2) and the second telescopic rod (3).

2. The width adjustable folding vehicle frame of claim 1, wherein: The positioning member (5) is installed on the connecting frame (1) through a swing rod (8), the connecting frame (1) is provided with a hinged seat (7), the end of the swing rod (8) is reversely installed on the hinged seat (7), and the positioning member (5) is sleeved on the swing rod (8).

3. The width adjustable folding vehicle frame of claim 1, wherein: The positioning member (5) is symmetrically extended to form a positioning column (9) on both sides, and the positioning groove (6) is symmetrically provided with a positioning hole (10) corresponding to the positioning column (9) on both sides.

4. The width adjustable folding vehicle frame of claim 1, wherein: The positioning seat (4) is symmetrically provided with a mounting hole (11), and the second telescopic rod (3) is inserted into the mounting hole (11).

5. The width adjustable folding vehicle frame of claim 1, wherein: The bottom of the connecting frame (1) is rotatably provided with a roller frame (12), and the roller frame (12) is symmetrically provided with a roller (13) on both sides.

6. The width adjustable folding vehicle frame of claim 5, wherein: The upper end of the roller frame (12) is provided with a connecting shaft (14), and the connecting shaft (14) is inserted into the bottom of the connecting frame (1).

7. The width adjustable folding vehicle frame of claim 5, wherein: The roller frame (12) is a hollow cylinder, a roller shaft (15) is inserted into the roller frame (12), and the roller (13) is installed on both sides of the roller shaft (15).

8. The width adjustable folding vehicle frame of claim 7, wherein: The front roller shaft (15) is movably provided with a handle (16).

9. The width adjustable folding vehicle frame of claim 8, wherein: Both ends of the handle (16) are symmetrically provided with a connecting part (17), and the connecting part (17) is sleeved on both sides of the roller shaft (15).

10. The width adjustable folding vehicle frame of claim 1, wherein: The upper end of the connecting frame (1) is further provided with a connecting rod (18), and the connecting rod (18) is used for connecting an external vehicle frame.

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