Child seat connecting device

Abstract

The utility model provides a child seat connecting device, and relates to the technical field of electric vehicle accessories, the child seat connecting device comprises a connecting assembly, a supporting assembly and a supporting leg piece, the connecting assembly can be installed on a seat tube, a handlebar vertical rod, a front beam below a handlebar or a pedal of an electric vehicle; the supporting assembly is detachably connected with the connecting assembly, and the supporting leg assembly is adjustably or fixedly connected with the supporting assembly or the connecting assembly. The device can be flexibly installed on a seat tube, a handlebar vertical rod or a front beam and a pedal below a handlebar of the electric vehicle, and universality and adaptability are improved. The supporting assembly and the connecting assembly are detachably connected, mounting and dismounting are convenient, the use convenience is improved, and the supporting assembly is used for supporting the child seat so as to guarantee the stability in the driving process. The supporting leg piece is adjustably or fixedly connected with the supporting assembly or the connecting assembly, the stability of the connecting device is further enhanced, meanwhile, the child can step on the connecting device conveniently, and the sitting comfort is improved.

Description

Technical Field

[0001] This utility model relates to the field of electric vehicle parts technology, and in particular to a child seat connection device. Background Technology

[0002] Currently, existing electric vehicles lack seat anchors specifically designed for child seats, forcing many children to stand on the footrest when riding, posing a serious safety hazard. Children standing on the footrest are prone to losing their balance, especially during rides, and are easily injured when encountering bumps or sudden braking.

[0003] In view of the above, this utility model is hereby proposed. Utility Model Content

[0004] The purpose of this utility model is to provide a child seat connection device to solve the technical problem that existing electric vehicles lack a seat connection device specifically designed for child seats, resulting in many children being forced to stand on the footrest when riding the electric vehicle, which poses a safety hazard. The various technical effects of the preferred technical solution provided by this utility model are detailed below.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] This utility model provides a child seat connection device, which can be installed on the seat post, handlebar stem, front beam under the handlebars, or footboard of an electric vehicle. It includes a connecting component, a supporting component, and a support leg component. The connecting component can be installed on the seat post, handlebar stem, front beam under the handlebars, or footboard of the electric vehicle. The supporting component is detachably connected to the connecting component, and the support leg component is adjustable or fixedly connected to the supporting component or the connecting component.

[0007] Preferably, the support component includes a U-shaped part and a square tube. The first end of the U-shaped part is a hook portion, and the second end is embedded and connected to the square tube. The first end of the U-shaped part is provided with a first circular hole a and a second circular hole a, and the second end is provided with a third circular hole a and a fourth circular hole a. The connecting component is provided with a first circular hole b and a second circular hole b, the first circular hole a and the first circular hole b are correspondingly arranged, and the second circular hole a and the second circular hole b are connected by fasteners. The bottom of the U-shaped part is provided with a slot, the slot being located between the first circular hole a and the second circular hole a. The connecting component is provided with a first screw and a second screw, the first screw engaging with the hook portion and the second screw engaging with the slot. The U-shaped part is provided with a column or iron plate for engaging with the safety wrench of the connecting component. The first end of the square tube is provided with a third circular hole b and a fourth circular hole b, the third circular hole a and the third circular hole b are correspondingly arranged, and the fourth circular hole a and the fourth circular hole b are connected by fasteners.

[0008] Preferably, the support leg assembly includes a first support leg and a connector. The connector is provided with an M-shaped hole and a fifth circular hole. The first support leg has a T-shaped structure. The vertical section of the first support leg is provided with a first elongated hole and a sixth circular hole. The M-shaped hole and the sixth circular hole, as well as the fifth circular hole and the first elongated hole, are correspondingly provided and connected by fasteners. The connector is fixedly connected to the U-shaped component or detachably connected to the square tube component.

[0009] Preferably, the outrigger assembly includes a second outrigger, a first adjusting plate, and a second adjusting plate. The second outrigger is inclined and its first end is welded to the connecting assembly, and its second end is welded to the first adjusting plate. The first adjusting plate has a plurality of fourth elongated holes, and the second adjusting plate has a ninth round hole. The fourth elongated holes and the ninth round hole are correspondingly arranged and connected by fasteners. The second adjusting plate has a plurality of fifth elongated holes, which are correspondingly arranged to the electric vehicle pedal mounting holes and connected by fasteners.

[0010] Preferably, the assembly also includes a handrail, which has a T-shaped structure. The vertical section of the handrail is provided with a tenth circular hole and an eleventh circular hole. The connecting component is provided with a sixth elongated circular hole and a seventh elongated circular hole arranged at an angle. The tenth circular hole and the sixth elongated circular hole, as well as the eleventh circular hole and the seventh elongated circular hole, are correspondingly arranged and connected by fasteners.

[0011] Preferably, the connecting component has a U-shaped structure, and is provided with a twelfth and a thirteenth circular hole. The first screw is installed in the twelfth circular hole for engaging with the hook portion; the second screw is installed in the thirteenth circular hole for engaging with the slot; the connecting component is provided with a fourteenth circular hole for installing the safety wrench; and the connecting component is provided with a fifteenth circular hole for installing the reinforcing shaft.

[0012] Preferably, the connecting assembly has an eighth elongated hole and a ninth elongated hole on its two wing plates for connecting the electric vehicle handlebar upright or the electric vehicle seat tube.

[0013] Preferably, the connecting assembly is a split structure, including a first connecting plate, a second connecting plate, a connecting pipe, and a support shaft. The first connecting plate and the second connecting plate are connected by multiple connecting pipes. The first connecting plate and the second connecting plate have connecting holes, which are concentrically arranged with the connecting pipes for installing the support shaft. The support shaft is disposed inside the connecting pipes. The first connecting plate and the second connecting plate have a twelfth circular hole and a thirteenth circular hole. The twelfth circular hole is fitted with a first screw for engaging with the hook portion. The thirteenth circular hole is fitted with a second screw for engaging with the slot. The first connecting plate and the second connecting plate have a sixteenth circular hole for installing a fastening device, which is connected to the handlebar stem or seat post of the electric vehicle. The first connecting plate and the second connecting plate have a seventeenth circular hole for installing an adjustment device.

[0014] The preferred technical solution of this utility model can also produce at least the following technical effects:

[0015] This invention effectively avoids the technical problem of existing electric vehicles lacking a seat connection device specifically designed for child seats, which forces many children to stand on the footrest, posing a safety hazard. This invention provides a child seat connection device that can be installed on the seatpost, handlebar stem, front beam under the handlebars, or footrest of an electric vehicle. It includes a connecting component, a support component, and a support leg component. The support component and connecting component are detachably connected, and the support leg component is adjustable or fixedly connected to the support component or connecting component. The device can be flexibly installed on the seatpost, handlebar stem, front beam under the handlebars, or footrest of an electric vehicle, improving its versatility and adaptability. The detachable connection between the support component and connecting component facilitates installation and disassembly, improving ease of use. The support component supports the child seat to ensure stability during riding. The adjustable or fixed connection between the support leg component and the support component or connecting component further enhances the stability of the connection device and allows children to easily step on it, improving riding comfort. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of a child seat connection device provided by this utility model;

[0018] Figure 2 yes Figure 1 A structural diagram showing the structure without the supporting components;

[0019] Figure 3 This is a schematic diagram of the connection structure of another support component and leg piece of the child seat connection device provided by this utility model;

[0020] Figure 4 yes Figure 3 Schematic diagram of the connection structure of the Chinese pipe fittings, connectors and the first leg;

[0021] Figure 5 This is another structural schematic diagram of the child seat connection device provided by this utility model;

[0022] Figure 6 yes Figure 5 A schematic diagram of the connection components;

[0023] Figure 7 This is a schematic diagram of the connection structure of another support component and leg piece of the child seat connection device provided by this utility model;

[0024] Figure 8 This is a schematic diagram of the connection structure of another support component and leg piece of the child seat connection device provided by this utility model;

[0025] Figure 9 yes Figure 7 and Figure 8 A schematic diagram of the structure of the first leg in the middle;

[0026] Figure 10 This is a schematic diagram of another connecting component of the child seat connecting device provided by this utility model;

[0027] Figure 11 This is a schematic diagram of another connecting component of the child seat connecting device provided by this utility model;

[0028] Figure 12This is a schematic diagram of another connecting component of the child seat connecting device provided by this utility model;

[0029] Figure 13 This is a schematic diagram of another connecting component of the child seat connecting device provided by this utility model.

[0030] In the picture:

[0031] 1. Connecting assembly; 11. First circular hole b; 12. Second circular hole b; 13. First screw; 14. Second screw; 15. Sixth oblong hole; 16. Seventh oblong hole; 17. Safety wrench; 18. Eighth oblong hole; 19. Ninth oblong hole; 110. Fifteenth circular hole; 111. First connecting plate; 112. Second connecting plate; 113. Connecting pipe; 114. Support shaft; 115. Sixteenth circular hole; 116. Seventeenth circular hole; 117. Eighteenth circular hole; 118. Reinforcing shaft; 119. Connecting hole;

[0032] 2. U-shaped part; 21. Hook part; 22. Slot; 23. First round hole a; 24. Second round hole a; 25. Third round hole a; 26. Fourth round hole a; 27. Post; 28. Iron sheet;

[0033] 3. Square tube fitting; 31. Second oblong hole; 32. Third oblong hole;

[0034] 4. First leg; 41. First elongated hole; 42. Sixth round hole;

[0035] 5. Connector; 51. M-shaped hole; 52. Fifth round hole; 53. Seventh round hole; 54. Eighth round hole;

[0036] 6. The second leg;

[0037] 7. First adjusting plate; 71. Fourth elongated hole;

[0038] 8. Second adjusting plate; 81. Fifth elongated hole;

[0039] 9. Handrail; 91. Long groove. Detailed Implementation

[0040] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0041] This utility model provides a child seat connection device, which can be installed on the seat post, handlebar stem, front beam under the handlebars or pedal of an electric vehicle. It includes a connecting component, a support component and a support leg component. The support component and the connecting component are detachably connected, and the support leg component is adjustable or fixedly connected to the support component or the connecting component.

[0042] The device can be flexibly installed on the seatpost, handlebar stem, front beam under the handlebars, or footrest of an electric vehicle, improving its versatility and adaptability. The support assembly and connecting assembly use a detachable connection, facilitating installation and removal and enhancing ease of use. The support assembly supports the child seat to ensure stability during riding. The outriggers are adjustable or fixedly connected to the support assembly or connecting assembly, further enhancing the stability of the connection device and providing convenient foot support for children, improving riding comfort.

[0043] As an optional implementation, the support assembly includes a U-shaped component and a square tube component. The first end of the U-shaped component is a hook portion, and the second end is embedded and connected to the square tube component. The first end of the U-shaped component is provided with a first circular hole a and a second circular hole a, and the second end is provided with a third circular hole a and a fourth circular hole a. The connecting assembly is provided with a first circular hole b and a second circular hole b, with the first circular hole a and the first circular hole b corresponding to each other and connected by fasteners. The bottom of the U-shaped component is provided with a slot, which is located between the first circular hole a and the second circular hole a. The connecting assembly is provided with a first screw and a second screw, with the first screw engaging with the hook portion and the second screw engaging with the slot. The U-shaped component is provided with a column or iron plate for engaging with the safety wrench of the connecting assembly. The first end of the square tube component is provided with a third circular hole b and a fourth circular hole b, with the third circular hole a and the third circular hole b corresponding to each other and connected by fasteners.

[0044] As an optional implementation, the outrigger assembly includes a first outrigger and a connector. The connector is provided with an M-shaped hole and a fifth circular hole. The first outrigger has a T-shaped structure. The vertical section of the first outrigger is provided with a first elongated hole and a sixth circular hole. The M-shaped hole and the sixth circular hole, as well as the fifth circular hole and the first elongated hole, are correspondingly provided and connected by fasteners. The connector is fixedly connected to the U-shaped component or detachably connected to the square tube component.

[0045] As an optional implementation, the outrigger assembly includes a second outrigger, a first adjusting plate, and a second adjusting plate. The second outrigger is inclined and its first end is welded to a connecting component, and its second end is welded to the first adjusting plate. The first adjusting plate is provided with a plurality of fourth elongated holes, and the second adjusting plate is provided with a ninth round hole. The fourth elongated holes and the ninth round hole are correspondingly provided and connected by fasteners. The second adjusting plate is provided with a plurality of fifth elongated holes, and the fifth elongated holes are correspondingly provided to the mounting holes of the electric vehicle pedal and connected by fasteners.

[0046] As an optional implementation, it also includes a handrail, which has a T-shaped structure. The vertical section of the handrail is provided with a tenth circular hole and an eleventh circular hole. The connecting component is provided with a sixth elongated circular hole and a seventh elongated circular hole arranged at an angle. The tenth circular hole and the sixth elongated circular hole, as well as the eleventh circular hole and the seventh elongated circular hole, are correspondingly arranged and connected by fasteners.

[0047] As an optional implementation, the connecting component has a U-shaped structure, and is provided with a twelfth and a thirteenth circular hole. A first screw is installed in the twelfth circular hole for engaging with the hook portion; a second screw is installed in the thirteenth circular hole for engaging with the slot; a fourteenth circular hole is provided on the connecting component for installing a safety wrench; and a fifteenth circular hole is provided on the connecting component for installing a reinforcing shaft.

[0048] As an optional implementation, the two wing plates of the connecting assembly are provided with an eighth elongated oval hole and a ninth elongated oval hole for connecting the electric vehicle handlebar upright or the electric vehicle seat tube.

[0049] As an optional implementation, the connecting assembly is a split structure, including a first connecting plate, a second connecting plate, a connecting tube, and a support shaft. The first and second connecting plates are connected by multiple connecting tubes. The first and second connecting plates have connecting holes, which are concentrically arranged with the connecting tubes for installing the support shaft. The support shaft is disposed inside the connecting tubes. The first and second connecting plates have a twelfth and a thirteenth circular hole. A first screw is installed in the twelfth circular hole for engaging with a hook portion. A second screw is installed in the thirteenth circular hole for engaging with a slot. The first and second connecting plates have a sixteenth circular hole for installing a fastening device, which is connected to the handlebar stem or seat post of the electric vehicle. The first and second connecting plates have a seventeenth circular hole for installing an adjustment device.

[0050] It should be noted that fasteners include, but are not limited to, existing fasteners such as bolts, rivets, and pins, and can be selected according to usage requirements.

[0051] Example 1:

[0052] like Figures 1-2 As shown, this utility model provides a child seat connecting device that can be installed on the footrest of an electric vehicle. The device includes a connecting component 1, a support component, and a support leg component. The support component is detachably connected to the connecting component 1, and the support leg component is welded to the connecting component 1.

[0053] As an optional implementation, the support assembly includes a U-shaped component 2 and a square tube component 3. The first end of the U-shaped component 2 is a hook portion 21, and the second end is fitted into the square tube component 3. The first end of the U-shaped component 2 is provided with a first circular hole a23 and a second circular hole a24, and the second end is provided with a third circular hole a25 and a fourth circular hole a26. The connecting assembly 1 is provided with a first circular hole b11 and a second circular hole b12, with the first circular hole a23 corresponding to the first circular hole b11 and the second circular hole a24 corresponding to the second circular hole b12, and connected by fasteners. The bottom of the U-shaped component 2 is provided with a slot 22, located between the first circular hole a23 and the second circular hole a24. The connecting assembly 1 is provided with a first screw 13 and a second screw 14, with the first screw 13 engaging with the hook portion 21 and the second screw 14 engaging with the slot 22. The U-shaped component 2 is provided with a column 27 for engaging with the safety wrench 17 of the connecting assembly 1. The first end of the square tube 3 is provided with a third circular hole b and a fourth circular hole b. The third circular hole a25 is correspondingly provided with the third circular hole b and the fourth circular hole a26 is correspondingly provided with the fourth circular hole b, and they are connected by fasteners.

[0054] The square tube 3 is embedded in the second end of the U-shaped part 2, and fasteners pass through the third round hole a25 and the third round hole b and the fourth round hole a26 and the fourth round hole b respectively, so that the U-shaped part 2 and the square tube 3 are firmly connected together to form a stable support structure.

[0055] The fasteners pass through the first round hole a23 and the first round hole b11, and the second round hole a24 and the second round hole b12, respectively, through the snap-fit ​​engagement of the hook portion 21 of the U-shaped part 2 with the first screw 13 on the connecting assembly 1 and the snap-fit ​​engagement of the slot 22 of the U-shaped part 2 with the second screw 14 on the connecting assembly 1, so that the U-shaped part 2 and the connecting assembly 1 are firmly connected together, and it is also convenient to install and disassemble.

[0056] The safety wrench 17 is locked onto the column 27, further improving the stability and reliability of the connection between the U-shaped part 2 and the connecting assembly 1.

[0057] As an optional implementation, the outrigger assembly includes a second outrigger 6, a first adjusting plate 7, and a second adjusting plate 8. The second outrigger 6 is inclined, with its first end welded to the connecting assembly 1 and its second end welded to the first adjusting plate 7, ensuring a stable and reliable connection. The first adjusting plate 7 has multiple fourth elongated holes 71, and the second adjusting plate 8 has a ninth circular hole. The fourth elongated holes 71 and the ninth circular hole are correspondingly arranged and connected by fasteners. The second adjusting plate 8 has multiple fifth elongated holes 81, which correspond to the mounting holes for the electric vehicle pedal and are connected by fasteners.

[0058] Furthermore, the second leg 6 is made of a round tube and has a horizontal foot pedal for children to step on. The second leg 6 is welded to the connecting assembly 1 and the first adjusting plate 7 respectively, and the connection is firm and reliable.

[0059] There are four fourth elongated holes 71, symmetrically arranged on the first adjusting plate 7. Adjusting the relative position of the fourth elongated holes 71 and the ninth hole allows the relative position between the first adjusting plate 7 and the second adjusting plate 8 to be adjusted within a certain range to meet the pedal space requirements of different electric vehicles. Fasteners pass through the fourth elongated holes 71 and the ninth hole in sequence to connect the first adjusting plate 7 and the second adjusting plate 8.

[0060] There are multiple fifth elongated holes 81, which are arranged sequentially along the length of the second adjusting plate 8. This allows them to be adapted to different mounting holes on the pedals of different electric vehicles, thus improving the versatility and adaptability of the device.

[0061] The first adjusting plate 7 and the second adjusting plate 8 can be made of iron or plastic plates according to usage requirements.

[0062] As an optional implementation, it also includes a handrail 9, which has a T-shaped structure. The vertical section of the handrail 9 is provided with a tenth circular hole and an eleventh circular hole. The connecting component 1 is provided with a sixth elongated circular hole 15 and a seventh elongated circular hole 16 arranged at an angle. The tenth circular hole and the sixth elongated circular hole 15, as well as the eleventh circular hole and the seventh elongated circular hole 16, are correspondingly arranged and connected by fasteners.

[0063] Furthermore, the horizontal section of the handrail 9 is made of round iron pipe, and the vertical section is made of U-shaped steel or flat pipe, with the two welded together.

[0064] Long slots 91 can be opened on the vertical section for installation on the electric vehicle according to its specific conditions, thereby increasing safety.

[0065] Because the sixth elongated hole 15 and the seventh elongated hole 16 are tilted, the relative positions of the tenth hole and the sixth elongated hole 15, as well as the eleventh hole and the seventh elongated hole 16, can be adjusted according to the actual situation of the electric vehicle to adjust the tilt of the handrail 9 and meet different usage needs.

[0066] The T-shaped armrests 9 are easy for children to grip, increasing stability and safety when riding.

[0067] As an optional implementation, the connecting component 1 has a U-shaped structure. The connecting component 1 has a twelfth and a thirteenth circular hole. A first screw 13 is installed in the twelfth circular hole for engaging with the hook portion 21. A second screw 14 is installed in the thirteenth circular hole for engaging with the slot 22. The connecting component 1 has a fourteenth circular hole for installing a safety wrench 17. The connecting component 1 has a fifteenth circular hole 110 for installing a reinforcing shaft 118.

[0068] The function of the reinforcing shaft 118 is to increase the robustness of the connecting component 1, making it less prone to twisting and increasing safety during use.

[0069] Example 2:

[0070] The difference between Example 2 and Example 1 is as follows: Figures 3-4 As shown, the support assembly and the connecting assembly 1 are detachably connected, and the connecting assembly 1 can be installed on the seat post of the electric vehicle. The outrigger assembly and the support assembly are adjustablely connected.

[0071] The U-shaped part 2 is provided with a metal plate 28, which is used to engage with the safety wrench 17 of the connecting component 1. The metal plate 28 can also increase the structural strength of the U-shaped part 2, making it less prone to twisting.

[0072] As an optional implementation, the outrigger assembly includes a first outrigger 4 and a connector 5. The connector 5 is provided with an M-shaped hole 51 and a fifth circular hole 52. The first outrigger 4 has a T-shaped structure, and a first elongated hole 41 and a sixth circular hole 42 are provided on the vertical section of the first outrigger 4. The M-shaped hole 51 and the sixth circular hole 42, as well as the fifth circular hole 52 and the first elongated hole 41, are correspondingly provided and connected by fasteners. The connector 5 is detachably connected to the square tube 3.

[0073] Furthermore, the second end of the square tube 3 is provided with a second elongated hole 31 and a third elongated hole 32, and the connector 5 is provided with a seventh round hole 53 and an eighth round hole 54. The second elongated hole 31 and the seventh round hole 53, as well as the third elongated hole 32 and the eighth round hole 54, are correspondingly provided and connected by fasteners.

[0074] The relative positions of the connector 5 on the square tube 3 are adjusted by adjusting the relative positions between the second elongated hole 31 and the seventh round hole 53, and between the third elongated hole 32 and the eighth round hole 54, and by connecting them with fasteners.

[0075] The first leg 4 can be folded or unfolded by adjusting the relative position between the first elongated hole 41 and the M-shaped hole 51 and connecting them with fasteners.

[0076] The vertical section of the first leg 4 is made of square tubing or U-shaped steel, and the horizontal section of the first leg 4 is made of round tubing, with the two welded together. A foot pedal can be installed on the horizontal section of the first leg 4 as needed.

[0077] Example 3:

[0078] The difference between Example 3 and Example 1 is as follows: Figures 5-9 As shown, the connecting component 1 can be installed on the handlebar upright of the electric vehicle.

[0079] The connecting component 1 has a U-shaped structure and is provided with a twelfth and a thirteenth circular hole. A first screw 13 is installed in the twelfth circular hole for engaging with the hook portion 21. A second screw 14 is installed in the thirteenth circular hole for engaging with the slot 22. A fourteenth circular hole is provided on the connecting component 1 for installing a safety wrench 17. A fifteenth circular hole 110 is provided on the connecting component 1 for installing a reinforcing shaft 118.

[0080] Furthermore, it also includes a handrail 9, which has a T-shaped structure. The vertical section of the handrail 9 is provided with a tenth round hole and an eleventh round hole. The connecting component 1 is provided with a sixth elongated round hole 15 and a seventh elongated round hole 16 arranged at an angle. The tenth round hole and the sixth elongated round hole 15, as well as the eleventh round hole and the seventh elongated round hole 16, are correspondingly arranged and connected by fasteners.

[0081] Furthermore, the horizontal section of the handrail 9 is made of round iron pipe, and the vertical section is made of U-shaped steel or flat pipe, with the two welded together.

[0082] Because the sixth elongated hole 15 and the seventh elongated hole 16 are tilted, the relative positions of the tenth hole and the sixth elongated hole 15, as well as the eleventh hole and the seventh elongated hole 16, can be adjusted according to the actual situation of the electric vehicle to adjust the tilt of the handrail 9 and meet different usage needs.

[0083] The T-shaped armrest design makes it easy for children to grip, increasing stability and safety while riding.

[0084] The function of the reinforcing shaft 118 and the supporting shaft 114 is to increase the firmness of the connecting assembly 1, making it less prone to twisting and increasing the safety of use.

[0085] As an optional implementation, the two wing plates of the connecting component 1 are provided with an eighth elongated hole 18 and a ninth elongated hole 19 for connecting the handlebar upright beam of the electric vehicle.

[0086] Furthermore, there are two of each of the eighth elongated oval holes 18 and the ninth elongated oval holes 19, arranged symmetrically. Fasteners pass through the eighth elongated oval holes 18 and the ninth elongated oval holes 19 respectively to connect with the handlebar upright of the electric vehicle, improving the stability and reliability of the connection and increasing safety.

[0087] As an optional implementation, the outrigger assembly includes a first outrigger 4 and a connector 5. The connector 5 is provided with an M-shaped hole 51 and a fifth circular hole 52. The first outrigger 4 has a T-shaped structure, and a first elongated hole 41 and a sixth circular hole 42 are provided on the vertical section of the first outrigger 4. The M-shaped hole 51 and the sixth circular hole 42, as well as the fifth circular hole 52 and the first elongated hole 41, are correspondingly arranged and connected by fasteners. The connector 5 is welded to the second end of the U-shaped member 2.

[0088] Furthermore, the fasteners pass through the M-shaped hole 51 and the sixth round hole 42, and the fifth round hole 52 and the first elongated hole 41, respectively, to achieve the connection between the first leg 4 and the connector 5.

[0089] The first leg 4 can be folded or unfolded by adjusting the relative position between the sixth circular hole 42 and the M-shaped hole 51 and connecting them with fasteners.

[0090] The vertical section of the first leg 4 is made of square tubing or U-shaped steel, and the horizontal section of the first leg 4 is made of round tubing, with the two welded together. A foot pedal can be installed on the horizontal section of the first leg 4 as needed.

[0091] Example 4:

[0092] The difference between Example 4 and Example 3 is as follows: Figure 10 As shown, this embodiment provides a connecting assembly 1, which adopts a split structure and is installed on the handlebar stem of an electric vehicle. The connecting assembly 1 includes a first connecting plate 111, a second connecting plate 112, a connecting pipe 113, and a support shaft 114. The first connecting plate 111 and the second connecting plate 112 are connected by multiple connecting pipes 113. The first connecting plate 111 and the second connecting plate 112 have connecting holes 119, which are concentrically arranged with the connecting pipes 113, for installing the support shaft 114. The support shaft 114 is disposed inside the connecting pipes 113. The first connecting plate 111 and the second connecting plate 112 have a twelfth circular hole and a thirteenth circular hole. A first screw 13 is installed in the twelfth circular hole for engaging with a hook portion 21. A second screw 14 is installed in the thirteenth circular hole for engaging with a slot 22. The first connecting plate 111 and the second connecting plate 112 are provided with a sixteenth circular hole 115 for installing a fastening device, which is connected to the handlebar stem of the electric vehicle. The first connecting plate 111 and the second connecting plate 112 are provided with a seventeenth circular hole 116 for installing an adjustment device. The adjustment device can adjust the seat and the electric vehicle pedal by adjusting the length of its lead screw according to the inclination of the handlebar stem of the electric vehicle.

[0093] Furthermore, there are multiple connecting pipes 113 and support shafts 114. The combination of connecting pipes 113 and support shafts 114 can further increase the structural strength of the connecting assembly 1, making it less prone to twisting and deformation.

[0094] The connecting component 1 is provided with a sixth elongated hole 15 and a seventh elongated hole 16 arranged at an angle. The tenth hole corresponds to the sixth elongated hole 15 and the eleventh hole corresponds to the seventh elongated hole 16. They are connected by fasteners to achieve a stable connection between the handrail 9 and the connecting component 1.

[0095] Because the sixth elongated hole 15 and the seventh elongated hole 16 are tilted, the relative positions of the tenth hole and the sixth elongated hole 15, as well as the eleventh hole and the seventh elongated hole 16, can be adjusted according to the actual situation of the electric vehicle to adjust the tilt of the handrail 9 and meet different usage needs.

[0096] Example 5:

[0097] The difference between Example 5 and Example 4 is that: Figure 11 As shown, this embodiment provides a connecting assembly 1, which adopts a split structure and is installed on the handlebar stem of an electric vehicle. It includes a first connecting plate 111, a second connecting plate 112, a connecting tube 113, and a support shaft 114. The first connecting plate 111 and the second connecting plate 112 are connected by multiple connecting tubes 113. The first connecting plate 111 and the second connecting plate 112 have connecting holes 119, which are concentrically arranged with the connecting tubes 113, for installing the support shaft 114. The support shaft 114 is disposed inside the connecting tubes 113. The first connecting plate 111 and the second connecting plate 112 have a first circular hole b11 and a second circular hole b12. The first circular hole a23 corresponds to the first circular hole b11, and the second circular hole a24 corresponds to the second circular hole b12, and are connected by fasteners. The first connecting plate 111 and the second connecting plate 112 have a twelfth circular hole and a thirteenth circular hole. A first screw 13 is installed in the twelfth circular hole for engaging with a hook portion 21. A second screw 14 is installed on the thirteenth circular hole for engaging with the slot 22. A sixteenth circular hole 115 is provided on the first connecting plate 111 and the second connecting plate 112 for installing a fastening device, which connects to the handlebar stem of the electric vehicle. A seventeenth circular hole 116 is provided on the first connecting plate 111 and the second connecting plate 112 for installing an adjustment device.

[0098] Furthermore, the connecting component 1 is provided with a sixth elongated hole 15 and an eighteenth round hole 117 arranged at an angle. The tenth round hole of the handrail 9 is correspondingly arranged with the sixth elongated hole 15, and the eleventh round hole of the handrail 9 is correspondingly arranged with the eighteenth round hole 117. They are connected by fasteners to achieve a stable connection between the handrail 9 and the connecting component 1.

[0099] Example 6:

[0100] The difference between Example 6 and Example 5 is as follows: Figure 12 As shown, this embodiment provides a connecting assembly 1, which adopts a split structure and is installed on the seat post or handlebar stem of an electric vehicle. The connecting assembly 1 includes a first connecting plate 111, a second connecting plate 112, a connecting pipe 113, and a support shaft 114. The first connecting plate 111 and the second connecting plate 112 are connected by multiple connecting pipes 113. The first connecting plate 111 and the second connecting plate 112 have connecting holes 119, which are concentrically arranged with the connecting pipes 113, for installing the support shaft 114. The support shaft 114 is disposed inside the connecting pipes 113. The first connecting plate 111 and the second connecting plate 112 have a first circular hole b11 and a second circular hole b12. The first circular hole a23 corresponds to the first circular hole b11, and the second circular hole a24 corresponds to the second circular hole b12, and are connected by fasteners. The first connecting plate 111 and the second connecting plate 112 are provided with a twelfth and a thirteenth circular hole. A first screw 13 is installed in the twelfth circular hole for engaging with the hook part 21. A second screw 14 is installed in the thirteenth circular hole for engaging with the slot 22. A sixteenth circular hole 115 is provided in the first connecting plate 111 and the second connecting plate 112 for installing a fastening device, which is connected to the seat post or handlebar stem of the electric vehicle. A seventeenth circular hole 116 is provided in the first connecting plate 111 and the second connecting plate 112 for installing an adjustment device, which can adjust the length of the adjusting screw to make the seat and the pedals of the electric vehicle level according to the inclination of the seat post or handlebar stem.

[0101] Furthermore, there are multiple connecting pipes 113 and support shafts 114. The combination of connecting pipes 113 and support shafts 114 can further increase the structural strength of the connecting assembly 1, making it less prone to twisting and deformation.

[0102] Example 7:

[0103] The difference between Example 7 and Example 6 is as follows: Figure 13As shown, this embodiment provides a connecting component 1, which has a U-shaped structure and is installed on the seat post of an electric vehicle. The connecting component 1 has a first circular hole b11 and a second circular hole b12. The first circular hole a23 corresponds to the first circular hole b11, and the second circular hole a24 corresponds to the second circular hole b12, and they are connected by fasteners. The bottom of the U-shaped component 2 has a slot 22 located between the first circular hole a23 and the second circular hole a24. The connecting component 1 has a first screw 13 and a second screw 14, which engage with the hook portion 21 and the slot 22. The connecting component 1 is provided with a twelfth and a thirteenth circular hole. A first screw 13 is installed in the twelfth circular hole for engaging with the hook part 21. A second screw 14 is installed in the thirteenth circular hole for engaging with the slot 22. The connecting component 1 is provided with a fourteenth circular hole for installing a safety wrench 17. The connecting component 1 is provided with a fifteenth circular hole 110 for installing a reinforcing shaft 118.

[0104] Furthermore, there are two reinforcing shafts 118. The function of the reinforcing shafts 118 is to increase the structural strength of the connecting device and make it less prone to twisting and deformation.

[0105] As an optional implementation, the two wing plates of the connecting component 1 are provided with an eighth elongated hole 18 and a ninth elongated hole 19 for connecting the electric vehicle seat tube.

[0106] Furthermore, there are two of each of the eighth elongated oval holes 18 and the ninth elongated oval holes 19, arranged symmetrically. Fasteners pass through the eighth elongated oval holes 18 and the ninth elongated oval holes 19 respectively to connect with the electric vehicle seat tube, improving the stability and reliability of the connection and increasing safety.

[0107] It is understood that the same or similar parts in the above embodiments can be referred to each other, and the contents not described in detail in some embodiments can be referred to the same or similar contents in other embodiments.

[0108] In the description of this utility model, it should be noted that, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0109] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0110] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "a particular example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0111] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A child seat connecting device, characterized in that, The device can be installed on the seat post, handlebar stem, front beam under the handlebars, or pedal of an electric vehicle, and includes a connecting assembly, a support assembly, and a support leg. The connecting assembly can be installed on the seat post, handlebar stem, front beam under the handlebars, or pedal of the electric vehicle. The support assembly is detachably connected to the connecting assembly, and the support leg assembly is adjustablely or fixedly connected to the support assembly or the connecting assembly.

2. The child seat connecting device according to claim 1, characterized in that, The support assembly includes a U-shaped component and a square tube component. The first end of the U-shaped component is a hook portion, and the second end is embedded and connected to the square tube component. The first end of the U-shaped component has a first circular hole a and a second circular hole a, and the second end has a third circular hole a and a fourth circular hole a. The connecting assembly has a first circular hole b and a second circular hole b, with the first circular hole a corresponding to the first circular hole b and the second circular hole a corresponding to the second circular hole b, and connected by fasteners. The bottom of the U-shaped component has a slot located between the first circular hole a and the second circular hole a. The connecting assembly has a first screw and a second screw, with the first screw engaging with the hook portion and the second screw engaging with the slot. The U-shaped component has a column or iron plate for engaging with a safety wrench of the connecting assembly. The first end of the square tube component has a third circular hole b and a fourth circular hole b, with the third circular hole a corresponding to the third circular hole b and the fourth circular hole a corresponding to the fourth circular hole b, and connected by fasteners.

3. A child seat connecting device according to claim 2, characterized in that, The outrigger assembly includes a first outrigger and a connector. The connector has an M-shaped hole and a fifth circular hole. The first outrigger has a T-shaped structure. The vertical section of the first outrigger has a first elongated hole and a sixth circular hole. The M-shaped hole and the sixth circular hole, as well as the fifth circular hole and the first elongated hole, are correspondingly arranged and connected by fasteners. The connector is fixedly connected to the U-shaped component or detachably connected to the square tube component.

4. A child seat connecting device according to claim 2, characterized in that, The support leg assembly 3 includes a second support leg, a first adjusting plate, and a second adjusting plate. The second support leg is inclined, with its first end welded to the connecting assembly and its second end welded to the first adjusting plate. The first adjusting plate has a plurality of fourth elongated holes, and the second adjusting plate has a ninth round hole. The fourth elongated holes and the ninth round hole are correspondingly arranged and connected by fasteners. The second adjusting plate has a plurality of fifth elongated holes, which are correspondingly arranged to the mounting holes of the electric vehicle pedal and connected by fasteners.

5. A child seat connecting device according to claim 4, characterized in that, It also includes a handrail, which has a T-shaped structure. The vertical section of the handrail is provided with a tenth circular hole and an eleventh circular hole. The connecting component is provided with a sixth elongated circular hole and a seventh elongated circular hole arranged at an angle. The tenth circular hole and the sixth elongated circular hole, as well as the eleventh circular hole and the seventh elongated circular hole, are correspondingly arranged and connected by fasteners.

6. A child seat connecting device according to claim 2, characterized in that, The connecting component has a U-shaped structure, and is provided with a twelfth and a thirteenth circular hole. The first screw is installed in the twelfth circular hole for engaging with the hook portion; the second screw is installed in the thirteenth circular hole for engaging with the slot; the connecting component is provided with a fourteenth circular hole for installing the safety wrench; and the connecting component is provided with a fifteenth circular hole for installing the reinforcing shaft.

7. A child seat connecting device according to claim 6, characterized in that, The connecting assembly has an eighth and a ninth elongated oval hole on its two wing plates for connecting the handlebar uprights or seat tube of the electric vehicle.

8. A child seat connecting device according to claim 2, characterized in that, The connecting assembly is a split structure, including a first connecting plate, a second connecting plate, a connecting pipe, and a support shaft. The first connecting plate and the second connecting plate are connected by multiple connecting pipes. The first connecting plate and the second connecting plate have connecting holes, which are concentrically arranged with the connecting pipes for installing the support shaft. The support shaft is disposed inside the connecting pipes. The first connecting plate and the second connecting plate have a twelfth circular hole and a thirteenth circular hole. The twelfth circular hole is fitted with a first screw for engaging with the hook portion. The thirteenth circular hole is fitted with a second screw for engaging with the slot. The first connecting plate and the second connecting plate have a sixteenth circular hole for installing a fastening device, which is connected to the handlebar stem or seat post of the electric vehicle. The first connecting plate and the second connecting plate have a seventeenth circular hole for installing an adjustment device.

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