Device installed on two-wheeled vehicle and used for dragging child bicycle

Abstract

The utility model provides a device installed on a two-wheeled vehicle and used for dragging a child bicycle, and relates to the technical field of brackets. The device comprises a cross beam, a vertical rod, a connecting assembly, an adjusting assembly, a wheel body limiting assembly and a binding and fixing assembly, the connecting assembly is detachably connected with the cross beam and a rear wheel right side bottom fork of the two-wheeled vehicle, the vertical rod is rotationally connected with the adjusting assembly, the adjusting assembly is detachably connected with the cross beam, and the wheel body limiting assembly is jointly arranged on one end of the cross beam and the adjusting assembly. The binding and fixing assembly is detachably connected with the vertical rod, and the wheel body limiting assembly and the binding and fixing assembly can fix a front wheel of the child bicycle. The two-wheeled vehicle provided with the device can drag the child bicycle to move, so that the child bicycle is more convenient to carry, and the device is more concise in overall structure, higher in strength, rich in adjusting mode, capable of adapting to various child bicycles of different specifications and wider in application range.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bracket technical field, especially a device for dragging a child bicycle installed on a two-wheeled vehicle. BACKGROUND

[0002] There are devices for dragging bicycles in real life, but such devices are installed on four-wheeled motor vehicles and are not suitable for two-wheeled vehicles such as electric bicycles and bicycles.

[0003] For children, child bicycles are used to practice riding, and parents can lead children to practice riding in a designated riding area, but it is not easy to drag a child bicycle to the designated riding area, so a device for dragging a child bicycle installed on a two-wheeled vehicle is needed to fix and lift the front wheel of the child bicycle by a small height, thereby facilitating the dragging of the child bicycle. SUMMARY

[0004] The utility model aims to provide a device for dragging a child bicycle installed on a two-wheeled vehicle to solve the technical problem of the lack of a device for dragging a child bicycle installed on a two-wheeled vehicle in the prior art. The preferred technical solution in the many technical solutions provided by the utility model can produce many technical effects, as described below.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions:

[0006] A device for dragging a child bicycle installed on a two-wheeled vehicle includes a crossbeam, a vertical rod, a connecting assembly, an adjusting assembly, a wheel body limiting assembly, and a binding and fixing assembly. The connecting assembly is detachably connected to the crossbeam and the right side horizontal fork of the rear wheel of the two-wheeled vehicle. The connecting assembly can adjust its relative position on the crossbeam and the relative distance between the crossbeam and the right side horizontal fork of the rear wheel of the two-wheeled vehicle. The vertical rod is rotationally connected to the adjusting assembly. The adjusting assembly is detachably connected to the crossbeam and can adjust its relative position on the crossbeam. The crossbeam and the adjusting assembly are provided with the wheel body limiting assembly. The binding and fixing assembly is detachably connected to the vertical rod and can adjust its relative position on the vertical rod. The wheel body limiting assembly and the binding and fixing assembly can fix the front wheel of the child bicycle.

[0007] Preferably, the connecting assembly comprises a fixing piece, a first fixing nut, a second fixing nut, a first fixing crossbar, a second fixing crossbar and a first movable fixing structure, the fixing piece is detachably connected with the right side horizontal fork of the rear wheel of the two-wheeled vehicle, two first fixing nuts are symmetrically connected on the fixing piece, one end of each first fixing nut is threadedly connected with one first fixing crossbar, the other end of each first fixing crossbar is threadedly connected with one second fixing nut, the other end of each second fixing nut is threadedly connected with one second fixing crossbar, the other end of each second fixing crossbar is extrudedly fixed with the crossbeam through one first movable fixing structure, and the first movable fixing structure can drive the connecting assembly to adjust the relative position of the connecting assembly on the crossbeam.

[0008] Preferably, the first movable fixing structure is a U-shaped right-angle bolt assembly.

[0009] Preferably, the adjusting assembly comprises a movable connecting seat and a second movable fixing structure, the vertical rod is rotationally connected with the movable connecting seat, two limit positions of the rotation of the vertical rod correspond to a relative position in which the vertical rod is perpendicular to the crossbeam and a relative position in which the vertical rod is parallel to the crossbeam, the movable connecting seat is fixedly connected with the second movable fixing structure, and the second movable fixing structure can adjust the relative position of the second movable fixing structure on the crossbeam.

[0010] Preferably, the second movable fixing structure is a U-shaped right-angle bolt assembly.

[0011] Preferably, the wheel body limiting assembly comprises a hook, the adjusting assembly is located at one end of the crossbeam, one hook is arranged on the other end of the crossbeam and the adjusting assembly, and the two hooks are located on the same side, the shape of the hook is matched with the front wheel, so that the hook can clampingly fix the outer wall of the front wheel.

[0012] Preferably, the binding fixing assembly comprises a tightener and a third movable fixing structure, the tightener is connected with the third movable fixing structure, the tightener can bindingly fix the front wheel, and the third movable fixing structure is detachably connected with the vertical rod, and the third movable fixing structure can adjust the relative position of the third movable fixing structure on the vertical rod.

[0013] Preferably, the third movable fixing structure is a U-shaped right-angle bolt assembly.

[0014] Preferably, a tool wrench is further arranged, and a fixing portion is arranged on the vertical rod, and the tool wrench can be placed on the fixing portion.

[0015] The utility model discloses beneficial effect is: 1. The connecting assembly can adjust its relative position on the crossbeam, thereby adjusting the relative position between the crossbeam and the right side horizontal fork of the two-wheeled vehicle rear wheel, thereby being favorable to corresponding different specifications of children's bicycle, expanding the application range of the device, simultaneously, the connecting assembly can adjust the relative distance between the crossbeam and the right side horizontal fork of the two-wheeled vehicle rear wheel, equivalent to adjusting the relative distance between the two-wheeled vehicle and children's bicycle, can flexibly adjust the distance according to actual use demand, to expand the application range of the device.

[0016] 2. Vertical rod and adjusting assembly rotation connection, when vertical rod uses, need to keep with the crossbeam between each other perpendicular position relation, when vertical rod does not use, can realize relative rotation, limit state can rotate to with the crossbeam each other parallel position relation, this state, vertical rod and crossbeam each other close, more easily accomodate and fixed, effectively reduce the space occupied;

[0017] 3. Adjusting assembly and crossbeam detachable connection and can adjust its relative position on the crossbeam, and the one end of crossbeam and adjusting assembly are commonly provided with wheel body limiting assembly, and wheel body limiting assembly can form limiting fixed to the front wheel of children's bicycle, in addition, since the position of adjusting assembly is adjustable, changing the relative position of adjusting assembly can adjust the relative distance of wheel body limiting assembly and the wheel body limiting assembly on the crossbeam, thereby can adjust the wheel diameter range of the front wheel of applicable children's bicycle, expand the use range of the device;

[0018] 4. Binding fixing assembly and vertical rod detachable connection and can adjust its relative position on the vertical rod, and binding fixing assembly can form binding fixed to the front wheel of children's bicycle, avoid the rotation of the front wheel, and simultaneously can adjust the height of binding fixing assembly in the vertical direction, thereby corresponding different height and wheel diameter children's bicycle;

[0019] 5. Under the cooperation of wheel body limiting assembly and binding fixing assembly, the device can form fixed to the front wheel of children's bicycle, and simultaneously can lift the front wheel to a certain height, in this state, the rear wheel of children's bicycle still keeps contact with the ground, if there is the condition of power, still can drive children's bicycle whole body to move, therefore the two-wheeled vehicle of adult riding can drag children's bicycle to move after installing the device, make children's bicycle carry more convenient, the overall structure of the device is more simple, and the strength is higher, and is rich in adjustment mode, can respond to various different specifications of children's bicycle, and the application range is wider. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0021] Figure 1 The rear view structure diagram of the present application;

[0022] Figure 2 The top view structure diagram of the present application;

[0023] 1, crossbeam in the figure;

[0024] 2, vertical rod;

[0025] 3, connecting assembly; 31, fixing piece; 32, first fixing nut; 33, second fixing nut; 34, first fixed crossbar; 35, second fixed crossbar; 36, first movable fixing structure;

[0026] 4, adjusting assembly; 41, movable connecting seat; 42, second movable fixing structure;

[0027] 5, wheel body limiting assembly;

[0028] 6, binding fixing assembly; 61, tight rope device; 62, third movable fixing structure. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the present application more clear, the technical scheme of the present application will be described in detail below. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of the present application.

[0030] In the description of the present application, it is understood that the terms "center", "lateral", "length", "width", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side" and the like indicate the orientation or positional relationship based on the drawings shown, and are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application. Figure 1

[0031] ​In the description of the utility model, still need explaining, unless another explicit provision and limitation, term '' install '' '' link '' '' connection '' should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can indirectly connect through intermediate medium.

[0032] Reference Figures 1 to 2 The utility model provides a device for being installed on two -wheeled vehicle and being used for towing children's bicycle, including crossbeam 1, vertical rod 2, connecting assembly 3, adjusting assembly 4, wheel body limiting assembly 5 and binding fixing assembly 6,

[0033] Connecting assembly 3 is detachably connected with crossbeam 1 and right side horizontal fork of two -wheeled vehicle rear wheel respectively, connecting assembly 3 can adjust its relative position on crossbeam 1, thereby adjusting the relative position between crossbeam 1 and right side horizontal fork of two -wheeled vehicle rear wheel, thereby being favorable to corresponding different specifications children's bicycle, expand the application range of device, simultaneously, connecting assembly 3 can adjust the relative distance between crossbeam 1 and right side horizontal fork of two -wheeled vehicle rear wheel, equivalent to adjusting the relative distance between two -wheeled vehicle and children's bicycle, can flexibly adjust the distance according to actual use demand, to expand the application range of device,

[0034] Vertical rod 2 is rotatably connected with adjusting assembly 4, when vertical rod 2 is used, need keep the perpendicular positional relationship between vertical rod 2 and crossbeam 1, when vertical rod 2 is not used, can realize relative rotation, in extreme state, can be rotated to the parallel positional relationship with crossbeam 1, in this state, vertical rod 2 and crossbeam 1 are close to each other, are more easily stored and fixed, effectively reduce the occupied space,

[0035] Adjusting assembly 4 is detachably connected with crossbeam 1 and can adjust its relative position on crossbeam 1, one end of crossbeam 1 and adjusting assembly 4 are provided with wheel body limiting assembly 5, wheel body limiting assembly 5 can limit and fix the front wheel of children's bicycle, in addition, since the position of adjusting assembly 4 is adjustable, changing the relative position of adjusting assembly 4 can adjust the relative distance of wheel body limiting assembly 5 and wheel body limiting assembly 5 on crossbeam 1, thereby can adjust the wheel diameter range of applicable children's bicycle front wheel, expand the use range of device,

[0036] Binding fixing assembly 6 is detachably connected with vertical rod 2 and can adjust its relative position on vertical rod 2, binding fixing assembly 6 can bind and fix the front wheel of children's bicycle, avoid the rotation of front wheel, and simultaneously can adjust the height of binding fixing assembly 6 in vertical direction, thereby corresponding different height and wheel diameter children's bicycle,

[0037] In cooperation of the wheel body limiting assembly 5 and the binding fixing assembly 6, the device can fix the front wheel of the children's bicycle, and can also lift the front wheel to a certain height, in this state, the rear wheel of the children's bicycle still keeps in contact with the ground, and can still drive the children's bicycle to move under the condition of power, so that the two-wheeled vehicle ridden by the adult can tow the children's bicycle to move;

[0038] Through cooperation of the cross beam 1, the vertical rod 2, the connecting assembly 3, the adjusting assembly 4, the wheel body limiting assembly 5 and the binding fixing assembly 6, the two-wheeled vehicle provided with the device can tow the children's bicycle, the children's bicycle is more convenient to carry, the overall structure of the device is more simple and has higher strength, and the device has rich adjustment modes and can cope with children's bicycles of various specifications, so that the device has wider application range.

[0039] As an optional embodiment, the connecting assembly 3 comprises a fixing piece 31, a first fixing nut 32, a second fixing nut 33, a first fixing cross rod 34, a second fixing cross rod 35 and a first movable fixing structure 36;

[0040] The fixing piece 31 is detachably connected with the right side pedal fork of the rear wheel of the two-wheeled vehicle, the fixing piece 31 can be selected and designed according to the specific structure of the right side pedal fork of the rear wheel of the two-wheeled vehicle to be installed, and can be installed on the right side pedal fork of the rear wheel of the two-wheeled vehicle in a common fixing mode;

[0041] Two first fixing nuts 32 are symmetrically connected on the fixing piece 31, the first fixing nut 32 is preferably connected with the fixing piece 31 in a fixed connection mode, so that the connection between them is firm;

[0042] Each first fixing nut 32 is threadedly connected with one end of a first fixing cross rod 34, the first fixing cross rod 34 can relatively move with the first fixing nut 32 through the end, so as to adjust the relative position relationship between them;

[0043] The other end of each first fixing cross rod 34 is threadedly connected with one end of a second fixing nut 33, the first fixing cross rod 34 can also relatively move with the second fixing nut 33 through the end, so as to adjust the relative position relationship between them;

[0044] The other end of each second fixing nut 33 is threadedly connected with one end of a second fixing cross rod 35, the second fixing cross rod 35 can relatively move with the second fixing nut 33 through the end, so as to adjust the relative position relationship between them;

[0045] The other end of each second fixed cross rod 35 is extruded and fixed with the cross beam 1 through a first movable fixing structure 36, the second fixed cross rod 35 can determine the positional relationship between the cross beam 1 through the end, after the position is determined, the actual connection can be formed through the first movable fixing structure 36, in the use state, the second fixed cross rod 35 is kept connected with the cross beam 1 through the first movable fixing structure 36, forming synchronous movement;

[0046] The first movable fixing structure 36 can drive the connecting assembly 3 to adjust the relative position thereof on the cross beam 1, thereby facilitating the corresponding different specifications of children's bicycles, and expanding the application range of the device;

[0047] The first fixed cross rod 34, the second fixed nut 33 and the second fixed cross rod 35 are sequentially movably connected, by adjusting the distance between the first fixed cross rod 34 and the second fixed cross rod 35 to the second fixed nut 33, which is equivalent to adjusting the total length of the three connected together, and further equivalent to adjusting the relative distance between the two-wheeled vehicle and the children's bicycle, the above distance can be flexibly adjusted according to the actual use requirement, so as to expand the application range of the device;

[0048] In addition, it is worth noting that, since the first fixed cross rod 34 is threadedly connected with the first fixed nut 32, in actual use, the device can be divided into the fixing piece 31 and other structures except the fixing piece 31, the fixing piece 31 can be permanently installed on the two-wheeled vehicle and does not need to be frequently removed, and each time of use only needs to install and dismount the first fixed cross rod 34 and the first fixed nut 32, so as to realize the installation and dismounting of the fixing piece 31 and the device main body, when the device is not needed to be used, the device main body can be directly dismounted, only the fixing piece 31 is reserved, so that the appearance is more beautiful and does not affect the normal use of the two-wheeled vehicle.

[0049] As an optional implementation, the first movable fixing structure 36 is a U-shaped right-angle bolt assembly, the U-shaped right-angle bolt assembly can be conveniently fixed on the cross beam 1 through the U-shaped right-angle bolt, and the relative movement to the cross beam 1 can be realized through the U-shaped design, when moved to the appropriate position, the bolt is fastened, so as to keep the fixed state, which is more convenient.

[0050] As an optional implementation, the adjusting assembly 4 includes a movable connecting seat 41 and a second movable fixing structure 42, the vertical rod 2 is rotationally connected with the movable connecting seat 41, the rotation connection between the two can be preferably realized through a rotating structure such as a rotating shaft, the two limit positions of the rotation of the vertical rod 2 respectively correspond to the relative positions perpendicular to each other and parallel to each other with the cross beam 1, the perpendicular to each other is the use state, and the parallel to each other is the storage state, which effectively reduces the occupied space;

[0051] The movable connecting seat 41 is fixedly connected with the second movable fixing structure 42, and the second movable fixing structure 42 can adjust the relative position thereof on the cross beam 1, so that the wheel diameter range of the front wheel of the applicable children's bicycle can be adjusted, and the use range of the device is expanded.

[0052] In the embodiment, the second movable fixing structure 42 is a U-shaped right-angle bolt assembly, which is fixed on the cross beam 1 through the U-shaped right-angle bolt, and can realize the relative movement of the cross beam 1 through the U-shaped design. When moved to the appropriate position, the bolt is fastened, so that the fixed state can be maintained, which is more convenient.

[0053] As an optional embodiment, the wheel body limiting assembly 5 includes a hook, the adjusting assembly 4 is located at one end of the cross beam 1, and a hook is arranged on the other end of the cross beam 1 and the adjusting assembly 4, and the two hooks are located on the same side. The shape of the hook is preferably a semicircular cross-section design, so as to match the front wheel. The two hooks correspond to the front side outer wall and the rear side outer wall of the front wheel respectively, and the matched shape enables the hook to clamp and fix the outer wall of the front wheel.

[0054] As an optional embodiment, the binding fixing assembly 6 includes a tightener 61 and a third movable fixing structure 62, the tightener 61 is connected to the third movable fixing structure 62, the tightener 61 can pull out the rope to bind and fix the front wheel, and avoid the rotation of the front wheel. The third movable fixing structure 62 is detachably connected to the vertical rod 2, and the third movable fixing structure 62 can adjust the relative position thereof on the vertical rod 2, so that the wheel diameter range of the front wheel of the applicable children's bicycle can be adjusted, and the use range of the device is expanded.

[0055] In the embodiment, the third movable fixing structure 62 is a U-shaped right-angle bolt assembly, which is fixed on the vertical rod 2 through the U-shaped right-angle bolt, and can realize the relative movement of the cross beam 1 through the U-shaped design. When moved to the appropriate position, the bolt is fastened, so that the fixed state can be maintained, which is more convenient.

[0056] As an optional embodiment, a tool wrench is further included, and a fixing portion is arranged on the vertical rod 2, and the tool wrench can be placed at the fixing portion. The tool wrench can adjust the bolts everywhere. When not in use, the tool wrench can be directly fixed on the vertical rod 2 and kept synchronous movement with the vertical rod 2. When in use, the tool wrench can be detached, which is more convenient to use.

[0057] The above merely illustrates the specific implementation manners of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A device for mounting on a two-wheeled vehicle for towing a child's bicycle, characterised in that, The utility model relates to a child bicycle, including crossbeam (1), vertical pole (2), connecting component (3), adjusting component (4), wheel body limiting component (5) and binding fixing component (6), connecting component (3) respectively with crossbeam (1) and two wheeled vehicle rear wheel right side horizontal fork detachable connection, connecting component (3) can adjust its relative position on crossbeam (1) and the relative distance between crossbeam (1) and two wheeled vehicle rear wheel right side horizontal fork, vertical pole (2) is rotatably connected with adjusting component (4), adjusting component (4) is detachably connected with crossbeam (1) and can adjust its relative position on crossbeam (1), one end of crossbeam (1) and adjusting component (4) are provided with wheel body limiting component (5) together, binding fixing component (6) is detachably connected with vertical pole (2) and can adjust its relative position on vertical pole (2), wheel body limiting component (5) and binding fixing component (6) can form fixing to the front wheel of child bicycle.

2. A device for towing a child's bicycle behind a two-wheeled vehicle according to claim 1, characterised in that, Connecting component (3) includes fixed part (31), first fixed nut (32), second fixed nut (33), first fixed crossbeam (34), second fixed crossbeam (35) and first movable fixed structure (36), fixed part (31) is detachably connected with two wheeled vehicle rear wheel right side horizontal fork, two first fixed nuts (32) are connected on fixed part (31) symmetry, each first fixed nut (32) is threadedly connected with one end of a first fixed crossbeam (34), the other end of each first fixed crossbeam (34) is threadedly connected with one end of a second fixed nut (33), the other end of each second fixed nut (33) is threadedly connected with one end of a second fixed crossbeam (35), the other end of each second fixed crossbeam (35) is extruded fixed with crossbeam (1) through a first movable fixed structure (36), and the first movable fixed structure (36) can drive connecting component (3) to adjust its relative position on crossbeam (1).

3. A device for towing a child's bicycle behind a two-wheeled vehicle according to claim 2, characterised in that, The first movable fixed structure (36) is a U-shaped right-angle bolt assembly.

4. The device for towing a child's bicycle behind a two-wheeled vehicle according to claim 1, characterized in that, Adjusting component (4) includes movable connecting seat (41) and second movable fixed structure (42), vertical pole (2) is rotatably connected with movable connecting seat (41), and the two limit positions of the rotation of vertical pole (2) correspond to the relative position perpendicular to crossbeam (1) and the relative position parallel to crossbeam (1) respectively, movable connecting seat (41) is fixedly connected with second movable fixed structure (42), and second movable fixed structure (42) can adjust its relative position on crossbeam (1).

5. A device for towing a child's bicycle behind a two-wheeled vehicle according to claim 4, characterised in that, The second movable fixed structure (42) is a U-shaped right-angle bolt assembly.

6. The device for towing a child's bicycle behind a two-wheeled vehicle according to claim 1, characterized in that, The wheel body limiting assembly (5) comprises a hook, the adjusting assembly (4) is located at one end of the cross beam (1), one end of the cross beam (1) and the adjusting assembly (4) are provided with a hook, and the two hooks are located at the same side; the shape of the hook is matched with the front wheel, so that the hook can clampingly fix the outer wall of the front wheel.

7. The device for towing a child's bicycle behind a two-wheeled vehicle according to claim 1, characterized in that, The binding fixing assembly (6) comprises a tightener (61) and a third movable fixing structure (62), the tightener (61) is connected to the third movable fixing structure (62), the tightener (61) can bind and fix the front wheel, and the third movable fixing structure (62) is detachably connected to the vertical rod (2) and can adjust the relative position of the third movable fixing structure (62) on the vertical rod (2).

8. A device for towing a child's bicycle behind a two-wheeled vehicle according to claim 7, characterised in that, The third movable fixing structure (62) is a U-shaped right-angle bolt combination.

9. The device for towing a child's bicycle behind a two-wheeled vehicle according to claim 1, characterized in that, A tool wrench is further included, and a fixing portion is arranged on the vertical rod (2), and the tool wrench can be placed at the fixing portion.

Images