CN217917982U - Folding bicycle - Google Patents

Abstract

The utility model relates to a folding bicycle, which comprises four wheels, wherein the upper ends of the four wheels are provided with supporting rods; the folding device also comprises a folding base component and four rhombic folding rod side rail components; the folding base component comprises a central connecting piece which is pivoted with the supporting rods of the four wheels through four first folding rods; the four rhombic folding rod side rail assemblies are respectively hinged and connected with the supporting rods of every two adjacent wheels of the four wheels through the upper connecting seat and the lower connecting seat, and a four-side folding fence of the folding bicycle is formed. When the foldable vehicle is used, the four-side foldable fence formed by the four wheels and the four rhombic foldable rod side fence components can be driven by the foldable base component to be folded and furled in the middle, so that the overall size of the foldable vehicle after being folded is reduced, the foldable vehicle is convenient to store, place or transport, and the foldable vehicle is simple in structure and good in practicability.

Description

folding bike

technical field

The utility model belongs to the field of transport tools, in particular to a folding car.

Background technique

In daily life, people often need to use a folding car as a simple means of delivery when carrying small items such as basketballs, volleyballs, clothes, and express delivery. However, the design of the folding structure of the existing folding car generally reduces the volume of the folded car The comparison is still relatively large. For example, the patent number is 201820621848.X, and the patent name is a patent for a folding cart, which still takes up a large space for storage, placement or packaging and transportation, which is relatively inconvenient.

Utility model content

In order to solve the above-mentioned technical problems in the prior art, the utility model provides a folding bicycle.

The folding car provided to solve the above technical problems includes four wheels, and the upper ends of the four wheels are all provided with support bars; it also includes a folding base assembly and four diamond-shaped folding rod side rail assemblies; the folding base assembly includes a central connection The central connecting piece is pivotally connected to the support rods of the four wheels through the four first folding rods; the four diamond-shaped folding rod side rail components are respectively adjacent to each other of the four wheels through the upper connecting seat and the lower connecting seat The supporting rods of the wheels are hingedly connected to form a four-sided folding fence for the folding car.

Further, the diamond-shaped folding rod side rail assembly includes four second folding rods, and the four second folding rods are hingedly connected to each other in pairs to form upper and lower hinge points and hinge points on both sides, and the second folding rods exceed two The part at the side hinge point is hingedly connected with the upper connecting seat and the lower connecting seat.

Furthermore, a third folding rod is provided at the hinged position between the second folding rod and the lower connecting seat, one end of the third folding rod is hingedly connected to the second folding rod, and the other end of the third folding rod is connected to the lower connecting seat. Seat hinge connection.

Furthermore, a handrail assembly is provided between the support rods between two adjacent wheels, and the handrail assembly is hingedly connected to the support rods on both sides through the connecting rods on both sides.

Furthermore, the armrest rod assembly is a two-stage structure consisting of the upper armrest and the lower connecting section, the upper armrest can be adjusted on the sleeve of the lower connecting section, and an adjustment locking handle is directly provided on the upper armrest and the lower connecting section .

The folding car involved in the utility model includes four wheels, and the upper ends of the four wheels are all provided with support rods; it also includes a folding base assembly and four diamond-shaped folding rod side rail assemblies; the folding base assembly includes a central connector, The central connecting piece is pivotally connected to the support rods of the four wheels through four first folding rods; the four diamond-shaped folding rod side rail components are respectively connected to two adjacent wheels of the four wheels through the upper connecting seat and the lower connecting seat. The support rods are hingedly connected to form a four-sided folding fence for the folding car. When in use, the four-sided folding fence formed by the four wheels and the four diamond-shaped folding rod side rail components can be folded and folded in the middle through the folding base component, thereby reducing the overall volume of the folding car after folding, so as to facilitate storage, placement or transportation. Simple and practical.

Description of drawings

Fig. 1 is a schematic diagram of the three-dimensional structure of a folding car;

Fig. 2 is a schematic structural diagram of a side view of the folding car in a half-folded state;

Fig. 3 is a schematic diagram of the structure of the folding bicycle in a fully folded state.

Detailed ways

Certain terms are used, for example, in the description and claims to refer to particular components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. The specification and claims do not use the difference in name as a way to distinguish components, but use the difference in function of components as a criterion for distinguishing. As mentioned throughout the specification and claims, "comprising" is an open term, so it should be interpreted as "including but not limited to". The following descriptions in the specification are preferred implementation modes for implementing the present utility model, but the description is for the purpose of illustrating the general principles of the present utility model, and is not intended to limit the scope of the present utility model. The scope of protection of the present utility model should be defined by the appended claims.

The utility model will be described in further detail below in conjunction with the accompanying drawings, but not as a limitation to the utility model.

Example

As shown in Figures 1-3, the folding car includes four wheels 1, and the upper ends of the four wheels 1 are provided with support rods 2; it also includes a folding base assembly 3 and four diamond-shaped folding rod side rail assemblies 4; The folding base assembly 3 includes a central connecting piece 3a, the central connecting piece 3a is pivotally connected to the support rods 2 of the four wheels 1 through four first folding rods 3b; 4a and the lower connection seat 4b are hingedly connected to the support rods 2 of two adjacent wheels 1 of the four wheels 1, and form a four-sided folding fence of the folding car.

When in use, the four-sided folding fence formed by the four wheels 1 and the four diamond-shaped folding rod side rail assemblies 4 can be driven by the folding base assembly 3 to be folded in the middle, so as to reduce the overall volume of the folding car after folding, thereby facilitating storage and placement. Transportation, simple structure and good practicability.

Preferably, the diamond-shaped folding rod side rail assembly 4 includes four second folding rods 4c, and the four second folding rods 4c are hingedly connected to each other in pairs to form an upper and lower hinge point 4c1 and two side hinge points 4c2. The parts of the two folding rods 4c beyond the hinge points 4c2 on both sides are hingedly connected to the upper connecting seat 4a and the lower connecting seat 4b.

More preferably, a third folding rod 4d is further provided at the hinge position between the second folding rod 4c and the lower connecting seat 4b, and one end of the third folding rod 4d is hingedly connected with the second folding rod 4c, and the third folding rod The other end of 4d is hingedly connected with the lower connecting seat 4b.

working principle:

1. When the folding bike is to be folded, the central connecting piece 3a of the folding base assembly 3 is lifted upwards. At this time, the central connecting piece 3a drives the four wheels 1 and the supporting rods 2 on them to the middle through the four first folding rods 3b At the same time, the upper and lower hinge points 4c1 formed by the four second folding rods 4c of the diamond-shaped folding rod side rail assembly 4 move up and down respectively, the hinge points 4c2 on both sides are folded inward, and the third folding rod 4d swings and folds downwards, thereby Realize that the diamond-shaped folding rod side rail assembly 4 moves with the folding base assembly 3 to drive the adjacent wheel 1 and the support rod 2 on it to move closer to the middle, and the four sides of the fence formed by the four diamond-shaped folding rod side rail assemblies 4 are all synchronously operated , then realize the folding of the folding car as a whole towards the middle, the half-folded state is shown in Figure 2, and the fully folded state is shown in Figure 3. After the whole vehicle is folded, the height of the whole vehicle is not significantly increased, which does not affect the height of the packaging, but the four wheels 1 and the support 2 are folded towards the middle, and the overall volume is significantly reduced, which is more convenient for storage, packaging and transportation.

2. When opening, press the central connecting piece 3a of the folding base assembly 3 of the folding car downward, and the central connecting piece 3a will drive the four first folding rods 3b to push outward, and at the same time, the four first folding rods 3b of the diamond-shaped folding rod side rail assembly 4 The upper and lower hinge points 4c1 formed by the two folding rods 4c move closer to the middle, the hinge points 4c2 on both sides expand outwards, and the third folding rod 4d also swings upwards to unfold, and the central connecting piece 3a passes the first folding rod 3b to move the four wheels 1. When it is in the fully unfolded state, the four-sided fence formed by the four diamond-shaped folding rod side rail assemblies 4 is also completely in the unfolded state, that is, the opening of the whole vehicle is completed. The unfolded state is shown in Figure 1. After unfolding, the folded base assembly 3 forms the bottom of the folding car, and the four diamond-shaped folding pole side rail assemblies 4 form a four-sided fence, so the foldable base assembly 3 and the four diamond-shaped folding pole side rail assemblies 4 form a storage space, which can be used to place items such as basketballs and volleyballs. , clothing and courier items.

More preferably, a handrail assembly 5 is also provided between the support poles 2 between two adjacent wheels, and the handrail assembly 5 is hingedly connected to the support poles 2 on both sides through the connecting rods 5a on both sides respectively. . The handrail assembly 5 is provided to facilitate pulling the folding vehicle to carry items, and the handrail assembly 5 is folded toward the middle through the connecting rods 5a on both sides, which does not affect the folded volume of the entire vehicle.

More preferably, the armrest rod assembly 5 is a two-stage structure of the upper section of the armrest and the lower section of the connection, the upper section of the handrail can be adjusted on the sleeve of the lower section of the connection, and the upper section of the handrail and the lower section of the connection are directly provided with adjustment locking handle 5b. By adjusting the locking handle 5b, the height of the upper section of the armrest and the lower section of the connecting section of the armrest rod assembly 5 can be adjusted without affecting the overall height after the whole vehicle is folded.

The folding car involved in the utility model includes four wheels, and the upper ends of the four wheels are all provided with support rods; it also includes a folding base assembly and four diamond-shaped folding rod side rail assemblies; the folding base assembly includes a central connector, The central connecting piece is pivotally connected to the support rods of the four wheels through four first folding rods; the four diamond-shaped folding rod side rail components are respectively connected to two adjacent wheels of the four wheels through the upper connecting seat and the lower connecting seat. The support rods are hingedly connected to form a four-sided folding fence for the folding car. When in use, the four-sided folding fence formed by the four wheels and the four diamond-shaped folding rod side rail components can be folded and folded in the middle through the folding base component, thereby reducing the overall volume of the folding car after folding, so as to facilitate storage, placement or transportation. Simple and practical.

The above description shows and describes the preferred embodiments of the present utility model, but as mentioned above, it should be understood that the present utility model is not limited to the forms disclosed herein, and should not be regarded as excluding other embodiments, but can be used in Various other combinations, modifications and circumstances, and can be modified by the above teachings or skills or knowledge in related fields within the scope of the utility model concept described herein. However, changes and changes made by those skilled in the art do not depart from the spirit and scope of the utility model, and should all be within the protection scope of the appended claims of the utility model.

Claims (5)

1. Folding bicycle, including four wheels (1), the upper ends of the four wheels (1) are all provided with support rods (2); it is characterized in that it also includes a folding base assembly (3) and four diamond-shaped folding rod sides Bar assembly (4); the folding base assembly (3) includes a central connecting piece (3a), and the central connecting piece (3a) passes through four first folding rods (3b) and four supporting rods of the wheels (1) (2) Pivot connection; four diamond-shaped folding rod side rail components (4) pass through the two-two phases of the upper connecting seat (4a) and the lower connecting seat (4b) and the support rods (2) 1 of the four wheels (1) respectively. The supporting rods (2) adjacent to the wheels (1) are hingedly connected to form a four-sided folding fence for the folding vehicle. 2. The folding bicycle according to claim 1, characterized in that: the diamond-shaped folding rod side rail assembly (4) includes four second folding rods (4c), and the four second folding rods (4c) are connected to each other in pairs Hinged connection, and form the upper and lower hinge points (4c1) and the hinge points (4c2) on both sides, the part of the second folding rod (4c) beyond the hinge points (4c2) on both sides is connected with the upper connecting seat (4a) and the lower Seat (4b) is hingedly connected. 3. The folding bicycle according to claim 2, characterized in that: a third folding rod (4d) is provided at the hinged position between the second folding rod (4c) and the lower connecting seat (4b), and the third folding rod (4c) One end of the rod (4d) is hingedly connected to the second folding rod (4c), and the other end of the third folding rod (4d) is hingedly connected to the lower connecting seat (4b). 4. The folding bicycle according to any one of claims 1-3, characterized in that: a handrail rod assembly (5) is also arranged between the support rods (2) between two adjacent wheels, and the handrail rod assembly (5) The connecting rods (5a) on both sides are hingedly connected to the supporting rods (2) on both sides respectively. 5. The folding bicycle according to claim 4, characterized in that: the armrest rod assembly (5) is a two-stage structure consisting of an upper section of the armrest and a connecting lower section, and the upper section of the armrest can be adjusted to be set on the sleeve of the connecting lower section, And the adjustment locking handle (5b) is directly arranged on the upper part of the armrest and the lower part of the connection.

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