Large-capacity three-wheel folding electric trailer capable of being ridden

Abstract

The utility model discloses a large-capacity three-wheel folding electric trailer capable of being ridden, which comprises a folding vehicle body, the folding vehicle body is a gathering type vehicle body, the folding vehicle body is provided with a triangular riding part and a rectangular loading part, at least three wheels are arranged at the bottom of the folding vehicle body, one or two wheels at the same end are direction wheels, and the other wheels are direction wheels. At least one wheel is a driving wheel, the folding bicycle body is further rotationally provided with a steering yoke assembly, the steering yoke assembly is connected with a steering wheel, and the top of the riding part is further detachably connected with a seat assembly. By the adoption of the method, the riding part is arranged to be triangular, so that the whole folding bicycle body is in a bullet shape, the shape of the folding bicycle body is changed, and the folding bicycle body is more novel; compared with the prior art, the cost is lower; meanwhile, the seat assembly is arranged on the riding part, the man carrying function of the folding bicycle body is achieved, more labor is saved in use, the use experience of the folding bicycle body is effectively improved, the folding bicycle body can be normally gathered and folded, the size is reduced, and carrying is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of electric trailers, in particular to a three-wheel foldable electric trailer with large riding capacity. Background Art

[0002] Existing folding electric trailers only have the function of electric power assistance. Although it can reduce the user's effort to a certain extent, this kind of electric trailer still relies on the user towing in front. After long-term use, the user's foot strength is greatly consumed, and the user is prone to foot fatigue and foot pain. At the same time, long-term walking will also make the body tired, which has a great impact on the user experience of the electric trailer. In addition, most existing electric trailers are rectangular in style, which is more common and less attractive.

[0003] Therefore, it is urgent to design a three-wheeled foldable electric trailer with a large riding capacity to overcome the deficiencies of one or more of the above-mentioned prior arts. Utility Model Content

[0004] The utility model adopts the technical solution to solve the above technical problems: to provide a three-wheeled foldable electric trailer with a large capacity that can be ridden, characterized in that it includes: a foldable body, the foldable body is a gathered body, the foldable body has a riding part and a loading part that are connected, the riding part is triangular, and the loading part is rectangular, at least three wheels are arranged at the bottom of the foldable body, one of the wheels or two wheels at the same end are rotatably connected to the foldable body as a steering wheel, and at least one of the wheels is a driving wheel, the foldable body is also rotatably provided with a steering rod assembly, the steering rod assembly is connected to the steering wheel, and is used to control the steering of the steering wheel, and the top of the riding part is also detachably connected with a seat assembly.

[0005] In one embodiment, the folding body includes: a plurality of folding brackets, each of which is in an "X" shape and can rotate at the intersection, the plurality of folding brackets are enclosed together, and two adjacent folding brackets are connected together by supporting columns, and each of the supporting columns is provided with a connecting seat at the top and bottom, and the wheels are connected to the corresponding connecting seats.

[0006] In one embodiment, the steering rod assembly includes: a telescopic rod and a steering handle, wherein the steering handle is fixedly connected to an inner rod of the telescopic rod, and the steering handle is provided with a speed control device and a braking device for controlling the driving speed.

[0007] In one embodiment, a clamp device is provided on the supporting column or the folding bracket corresponding to the direction rod assembly, and the clamp device is used to limit the direction rod assembly to be in an upright state.

[0008] In one embodiment, one of the wheels is a steering wheel, the steering rod assembly is located above the steering wheel and fixedly connected to the steering wheel, and a foldable pedal is provided at the bottom of the folding vehicle body corresponding to the steering rod assembly.

[0009] In one embodiment, the two wheels at the same end are steering wheels, a foldable steering assembly is connected between the two steering wheels, the steering rod assembly is located between the two steering wheels and is rotatably connected to the middle part of the steering assembly, the steering rod assembly drives the steering assembly to move, and the steering assembly drives the steering wheels to rotate.

[0010] In one embodiment, the bottom end of the direction rod assembly is rotatably connected to a shaft sleeve, both ends of the shaft sleeve are rotatably connected to support rods, and one end of the support rod away from the shaft sleeve is rotatably connected to the folding vehicle body.

[0011] In one embodiment, the seat assembly includes: a rotating seat and two seat struts, the rotating seat having two rotating parts that can rotate with each other, the rotating seat being rotatably arranged on the top of one of the supporting columns, one end of the two seat struts being rotatably connected to the rotating seat respectively, the seat struts being vertically rotatable relative to the rotating seat, one end of the seat strut away from the rotating seat being clamped with the top of the corresponding supporting column, a support member being arranged across the two seat struts and being detachably connected to the seat struts.

[0012] In one embodiment, two seat assemblies are provided, and each of the seat assemblies includes: a rotating seat and a seat support rod; the rotating seat is rotatably provided at the top of one of the support columns at the same end as the direction rod assembly, one end of the seat support rod is rotatably connected to the rotating seat, the seat support rod can be vertically rotated relative to the rotating seat, and one end of the seat support rod away from the rotating seat is clamped with the top of the corresponding support column; a support member is provided across the two seat support rods and is detachably connected to the seat support rods.

[0013] In one embodiment, the support member is a rigid structure member or a flexible structure member.

[0014] In one embodiment, the folding vehicle body is further provided with a controller and a power source electrically connected to the controller, the driving wheel is electrically connected to the controller, and the direction rod assembly is electrically connected to the controller for controlling the operation of the driving wheel.

[0015] In one embodiment, the riding portion and the loading portion are respectively provided with bottom bracket assemblies.

[0016] In one embodiment, the clamp device includes: a clamp sleeve and a limiter; the clamp sleeve is adapted to the direction rod assembly, the limiter is movably arranged on the clamp sleeve, and the limiter is used to limit the pull rod in the clamp sleeve.

[0017] In one embodiment, the limiting member includes: a hoop strip; the hoop strip is arc-shaped, one end of the hoop strip is rotatably connected to one end of the hoop sleeve, the other end of the hoop sleeve is provided with a hoop groove adapted to the hoop strip, and a spring pin is also provided at the top of the end of the hoop sleeve provided with the hoop groove.

[0018] In one embodiment, a limit pin is further provided at one end of the hoop strip away from the rotatable connection with the hoop sleeve, and the limit pin is used to limit the hoop strip within the hoop groove.

[0019] In one embodiment, the limiting member includes: a hoop strip; one end of the hoop strip is rotatably connected to one end of the hoop sleeve, and a hoop groove adapted to the hoop strip is formed on the top side of the other end of the hoop sleeve, and the hoop strip is clamped in the hoop groove.

[0020] In one embodiment, the hoop strip is a magnetic metal piece, and the hoop groove is further provided with a magnetic piece, and the magnetic piece is magnetically matched with the hoop strip.

[0021] The beneficial effects of the utility model are as follows: by setting the riding part into a triangle, the folding body is made bullet-shaped as a whole, and the shape of the folding body is changed without affecting the loading of the folding body. This is different from the existing technology, is more novel, and has lower cost than the existing technology; at the same time, by arranging a seat assembly on the riding part, the carrying function of the folding body is realized, the user is more labor-saving, and the user experience of the folding body is effectively improved. The folding body can also be gathered and folded normally to reduce the volume and is easy to carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the utility model;

[0023] Figure 2 It is a plan view of the utility model;

[0024] Figure 3 It is a structural schematic diagram of the direction rod assembly of the utility model;

[0025] Figure 4 It is a structural schematic diagram of the seat assembly of the utility model;

[0026] Figure 5 This is a towing state diagram of the utility model;

[0027] Figure 6 This is a diagram of the utility model in a folded state;

[0028] Figure 7 This is a schematic diagram of the structure of the clamp device of the utility model;

[0029] Figure 8 It is a structural schematic diagram of another embodiment of the clamp device of the utility model.

[0030] In the figure:

[0031] 10. Folding body; 101. Riding part; 102. Loading part; 103. Wheel; 104. Folding bracket; 105. Support column; 106. Connecting seat; 107. Clamp device; 108. Pedal; 11. Steering bar assembly; 111. Telescopic rod; 112. Steering handle; 113. Speed ​​control device; 114. Braking device; 20. Seat assembly; 21. Rotating seat; 22. Rotating part; 23. Seat support rod; 24. Clamp seat; 25. Support member; 26. Controller; 27. Power supply; 28. Bottom bracket assembly; 281. Bottom support rod; 282. Bracket seat; 30. Hoop sleeve; 31. Limit member; 32. Hoop groove; 33. Limit pin; 34. Spring clamp. DETAILED DESCRIPTION

[0032] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0033] In the description of the embodiments of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms, "connection" and "installation" should be understood in a broad sense. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. In addition, "connection" can be a direct connection or an indirect connection through an intermediate medium. Among them, "fixed" means that they are connected to each other and the relative position relationship after connection remains unchanged. The directional terms mentioned in the embodiments of the present utility model, such as "inside", "outside", "top", "bottom", etc., are only reference to the directions of the accompanying drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the embodiments of the present utility model, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present utility model.

[0034] In the embodiments of the present invention, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0035] In the embodiment of the present invention, "and / or" is only a description of the association relationship of the associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0036] References to "one embodiment" or "some embodiments" etc. described in this specification mean that one or more embodiments of the utility model include specific features, structures or characteristics described in conjunction with the embodiment. Therefore, the statements "in one embodiment", "in some embodiments", "in some other embodiments", "in some other embodiments", etc. that appear in different places in this specification do not necessarily refer to the same embodiment, but mean "one or more but not all embodiments", unless otherwise specifically emphasized in other ways. The terms "including", "comprising", "having" and their variations all mean "including but not limited to", unless otherwise specifically emphasized in other ways. Therefore, the utility model is not limited to the specific embodiments disclosed below.

[0037] like Figure 1-Figure 6 As shown, the utility model provides a three-wheeled foldable electric trailer capable of riding with a large capacity, characterized in that it comprises: a foldable body 10, the foldable body 10 is a gathered body, the foldable body 10 has a connected riding portion 101 and a loading portion 102, the riding portion 101 is triangular, the loading portion 102 is rectangular, at least three wheels 103 are provided at the bottom of the foldable body 10, one or two wheels 103 on the same side are rotatably connected to the foldable body 10 as a steering wheel, and at least one of the wheels 103 is a driving wheel, the foldable body 10 is also rotatably provided with a steering rod assembly 11, the steering rod assembly 11 is connected to the steering wheel for controlling the steering of the steering wheel, and the top of the riding portion 101 is also detachably connected with a seat assembly 20;

[0038] Specifically, the folding vehicle body 10 includes a riding portion 101 and a loading portion 102, the riding portion 101 is triangular, and the loading portion 102 is rectangular, wherein the riding portion 101 is connected to the loading portion 102, so that the loading capacity of the folding vehicle body 10 is stronger, and the folding vehicle body 10 is a gathering type vehicle body, that is, the folding of the folding vehicle body 10 is gathered from the circumference to the middle, and this folding method can minimize the volume of the folded vehicle body 10, and improve the convenience of carrying; at least three wheels 103 are provided at the bottom of the folding vehicle body 10, and the three wheels 103 support the folding vehicle body 10, preferably, one wheel 103 is provided at the bottom of the riding portion 101, and two wheels 103 are provided at the bottom of the loading portion 102; one of the three wheels 103 or the two wheels 103 at the same end can rotate laterally relative to the folding vehicle body 10 The steering wheel is used to control the moving direction of the folding body 10, and the wheel 103 at at least one end of the three wheels 103 is a driving wheel, and the driving wheel is a wheel 103 with a hub motor inside, and the specific reference can be made to the wheel 103 of a battery vehicle; the folding body 10 is also provided with a steering rod assembly 11, and the steering rod assembly 11 is located at the end where the driving wheel is located. The steering rod assembly 11 is connected to the wheel 103 serving as the steering wheel, and the steering rod assembly 11 can be rotated laterally on the folding body 10 to control the steering of the wheel 103 connected thereto, and the steering rod assembly 11 can also be rotated vertically relative to the folding body 10, so that the steering rod assembly 11 can be converted between an upright state or an inclined state to adapt to different usage requirements, such as the upright state is more suitable for use when riding, and the inclined state is more suitable for use in a towing state, such as Figure 7 As shown; a seat assembly 20 is detachably connected to the top of the riding portion 101, and the seat assembly 20 is used to support the user so that the user can sit on the folding body 10 to ride, saving the user's leg strength, thereby improving the user experience of the electric trailer.

[0039] Furthermore, the folding vehicle body 10 includes: a plurality of folding brackets 104, the folding brackets 104 are in an "X" shape and can rotate at the intersection, the plurality of folding brackets 104 are surrounded, and two adjacent folding brackets 104 are connected together by supporting columns 105, and each supporting column 105 is provided with a connecting seat 106 at the top and bottom, and the wheels 103 are connected to the corresponding connecting seats 106;

[0040] Specifically, the riding portion 101 and the loading portion 102 are both composed of a plurality of folding brackets 104, wherein the riding portion 101 is provided with at least one folding bracket 104 on both sides according to the length thereof, and if the length of the riding portion 101 is to be extended, two folding brackets 104 can be provided on each side, and the same is true for the loading portion 102, and if the width of the loading portion 102 is to be extended, two folding brackets 104 are provided at one end of the loading portion 102 away from the riding portion 101; the folding vehicle body 10 is formed by enclosing a plurality of folding brackets 104, and a supporting column 105 is provided between two adjacent folding brackets 104, and connecting seats 106 are provided at the top and the bottom of the supporting column 105, respectively, and the two adjacent folding brackets 104 are rotatably connected to the corresponding connecting seats 106, wherein due to the folding brackets 104, the folding brackets 104 can be folded and rotated to form a folding frame 104. The frame 104 is in an "X" shape and can rotate at the intersection, so the folding bracket 104 will change its own height when rotating. In order to allow the folding bracket 104 to have sufficient movement space, the support column 105 needs to be a retractable structure. When the folding bracket 104 rotates, the change in height will drive the extension and retraction of the support column 105, so that the folding bracket 104 can be smoothly folded or unfolded; or a connecting adapter rod (not shown in the figure) is rotated between the folding bracket 104 and the support column 105, and the movement space of the folding bracket 104 is provided through the vertical rotation of the connecting rod. At this time, the support column 105 does not need to be a retractable structure, and the folding or unfolding of the folding bracket 104 can also be ensured; wherein the wheel 103 is connected to the corresponding connecting seat 106.

[0041] Furthermore, the riding portion 101 and the loading portion 102 are respectively provided with a bottom bracket assembly 28;

[0042] Specifically, in order to facilitate the folding of the foldable body 10 and ensure that the foldable body 10 will not fold automatically due to impact when in use, a bottom bracket assembly 28 is respectively provided at the bottom of the riding portion 101 and the loading portion 102, and the bottom bracket assembly 28 includes a bottom support rod 281 and a support seat 282. Among them, since the riding portion 101 is triangular, there are only three bottom support rods 281 therein, which are rotatably connected to the three connecting seats 106 of the riding portion 101 respectively, and one end of the three bottom support rods 281 away from the connecting seat 106 is commonly connected to the support seat 282, and the support seat 282 can limit the bottom support rod 281 from continuing to rotate downward in a nearly horizontal state; since the loading portion 102 is rectangular, there are four bottom support rods 281 therein, wherein the end of the loading portion 102 connected to the riding portion 101 shares a connecting seat 106, one end of the four bottom support rods 281 is rotatably connected to the corresponding connecting seat 106, and the other end is commonly connected to the support seat 28 2. When the folding is required, the bracket seat 282 is lifted to drive the bottom support rod 281 to rotate. When the bottom support rod 281 rotates, the end connected to the bracket seat 282 will rise, and the other end will be pulled to move toward the position of the rising end. Therefore, the bottom support rod 281 will pull the corresponding support column 105 to move toward the position of the bracket seat 282. When the support column 105 moves, it will squeeze the folding bracket 104, so that the folding bracket 104 is folded until the support column 105 Move to the extreme position, at this time, the riding part 101 and the loading part 102 are all folded and gathered together; when it is necessary to unfold, it is only necessary to press the bracket seats 282 of the riding part 101 and the loading part 102 to make the two bracket seats 282 move downward, so that the bottom support rod 281 is transformed from a nearly vertical state to a nearly horizontal state again, and at this time the bottom support rod 281 will push the support column 105 away from the bracket seat 282, and at the same time the support column 105 pulls the folding bracket 104 to unfold, thereby realizing the unfolding of the folding body 10.

[0043] Furthermore, in this embodiment, a clamp device 107 is provided on the support column 105 or the folding bracket 104 corresponding to the direction rod assembly 11, and the clamp device 107 is used to limit the direction rod assembly 11 to be in an upright state;

[0044] Specifically, since the steering rod assembly 11 can be rotated vertically relative to the folding body 10, in order to prevent the steering rod assembly 11 from rotating vertically when riding, a clamp device 107 is provided on the support column 105 or the folding bracket 104. The setting position of the clamp device 107 is determined according to the position of the steering rod assembly 11. If the steering rod assembly 11 corresponds to one of the support columns 105, the clamp device 107 is located on the support column 105. When riding is required, the steering rod assembly 11 is placed in the clamp device 107 and the clamp device 107 is used to fix the steering rod assembly 11 in an upright state to ensure normal use.

[0045] Further, in this embodiment, one of the wheels 103 is a steering wheel, the steering rod assembly 11 is located above the steering wheel and fixedly connected to the steering wheel, and a foldable pedal 108 is provided at the bottom of the folding vehicle body 10 corresponding to the steering rod assembly 11;

[0046] Specifically, preferably in the present embodiment, a wheel 103 located on the riding part 101 is set as a steering wheel, and the steering rod assembly 11 is located above the steering wheel and is fixedly connected to the steering wheel. When the steering rod assembly 11 rotates laterally, it can drive the steering wheel to rotate synchronously, and the driving direction of the folding body 10 is controlled by the steering wheel. At the same time, in this way, in order to facilitate the user's feet to have a place to step when riding, two foldable pedals 108 are provided at the bottom of the steering rod assembly 11 of the folding body 10. When riding, the pedals 108 can be unfolded and the feet can be stepped on the pedals 108 to improve the riding comfort.

[0047] It should be pointed out that the driving wheel can be determined according to usage requirements. The driving wheel can be a wheel 103 under the riding part 101, or two wheels 103 under the loading part 102. A single driving wheel has a small driving force and a lower load-bearing capacity than a double driving wheel, but has a lower cost than a double driving wheel.

[0048] Furthermore, in this embodiment, the direction rod assembly 11 includes: a telescopic rod 111, a direction handle 112, the direction handle 112 is fixedly connected to the inner rod of the telescopic rod 111, and the direction handle 112 is provided with a speed control device 113 and a brake device 114 for controlling the driving speed;

[0049] Specifically, the telescopic rod 111 has an inner rod and an outer rod, the inner rod can be telescoped inside the outer rod, the steering handle 112 is fixedly connected to the top end of the inner rod, the outer rod is rotatably connected to the connecting seat 106 connected to the wheel 103 under the riding part 101, and the outer rod can rotate horizontally and vertically relative to the connecting seat 106 connected thereto, the horizontal rotation is used to control the steering of the steering wheel, and the vertical rotation is used to change the use state of the steering rod, and a speed control device 113 for controlling the driving speed is also provided on the steering handle 112, and the speed control device 113 can be in the form of a finger dial or a rotating handle. At the same time, a braking device 114 is also provided on the steering handle 112, and the braking device 114 can also be in the form of a finger dial or a pinch handle, wherein the finger dial is an electronic brake and the pinch handle is a mechanical brake.

[0050] Further, in this embodiment, the seat assembly 20 includes: a rotating seat 21, two seat support rods 23, the rotating seat 21 has two rotating parts 22 that can rotate with each other, the rotating seat 21 is rotatably arranged on the top of one of the supporting columns 105, one end of the two seat support rods 23 is rotatably connected to the rotating seat 21 respectively, the seat support rod 23 can be vertically rotated relative to the rotating seat 21, one end of the seat support rod 23 away from the rotating seat 21 is clamped with the top of the corresponding supporting column 105, and a support member 25 is straddled on the two seat support rods 23 and is detachably connected to the seat support rod 23;

[0051] Specifically, the rotating seat 21 has two rotating parts 22 that can rotate with each other. The rotating seat 21 is rotatably arranged on the top of the supporting pole of the riding part 101 connected to the wheel 103. The seat support rods 23 are rotatably connected to the two rotating parts 22 respectively, and the seat support rods 23 can rotate vertically relative to the rotating parts 22; the tops of the two supporting columns 105 adjacent to the supporting columns 105 connected to the wheel 103 in the riding part 101 are respectively provided with a clamping seat 24, and one end of the seat support rod 23 away from the rotating part 22 is engaged with the clamping seat 24, and the support member 25 is straddled between the two seat support rods 23 and is detachably connected to the two seat support rods 23. When riding is required , the seat support rod 23 is engaged with the corresponding holder 24 on the support column 105, and then the support member 25 is placed. At this time, the support member 25 can be used for sitting under the support of the seat support rod 23. When it needs to be folded, the seat support rod 23 is lifted to release the engagement between the seat support rod 23 and the support column 105, and then the seat support rod 21 is rotated horizontally. At this time, the seat support rod 23 loses the support of the folding body 10 and rests on the top of the folding body 10 under gravity. At this time, the rotating part 22 is rotated horizontally to make the seat support rod 23 out of the range of the folding body 10 and fall on both sides of the support column 105 by itself under gravity to avoid affecting the folding of the folding body 10.

[0052] Furthermore, in this embodiment, the folding vehicle body 10 is further provided with a controller 26 and a power source 27 electrically connected to the controller 26, the driving wheel is electrically connected to the controller 26, and the direction bar assembly 11 is electrically connected to the controller 26 for controlling the operation of the driving wheel;

[0053] Specifically, a controller 26 and a power supply 27 are also provided on the folding body 10. The power supply 27 is used to provide operating energy, wherein the driving wheel is electrically connected to the controller 26, and the speed control device 113 and the braking device 114 of the steering rod assembly 11 are both electrically connected to the controller 26. The power supply 27 provides operating energy for the controller 26 and the driving wheel.

[0054] Furthermore, in this embodiment, if Figure 7As shown, the clamp device 107 includes: a clamp sleeve 30 and a stopper 31; the clamp sleeve 30 is adapted to the direction rod assembly 11, and the stopper 31 is movably arranged on the clamp sleeve 30, and the stopper 31 is used to limit the direction rod assembly 11 in the clamp sleeve 30;

[0055] Specifically, the clamp device 107 includes a hoop 30 and a limit piece 31. The hoop 30 is arc-shaped and is adapted to the direction rod assembly 11. When the direction rod assembly 11 is located in the hoop 30, the direction rod assembly 11 can rotate horizontally in the hoop 30. The limit piece 31 is rotatably connected to one end of the hoop 30. When the direction rod assembly 11 is located in the hoop 30, the limit piece 31 cooperates with the hoop 30 to limit the direction rod assembly 11 from being separated from the hoop, thereby ensuring that the direction rod assembly 11 is always in a vertical state and does not tilt forward, thereby improving riding safety.

[0056] Furthermore, the limiting member 31 includes: a hoop bar; one end of the hoop bar is rotatably connected to one end of the hoop sleeve 30, and a hoop groove 32 adapted to the hoop bar is opened on the top side of the other end of the hoop sleeve 30, and the hoop bar is clamped in the hoop groove 32;

[0057] Specifically, one end of the hoop strip is rotatably connected to the hoop sleeve 30, and the hoop strip can rotate along the vertical plane on the hoop sleeve 30. A hoop groove 32 is provided on the top side of the other end of the hoop sleeve 30. When the direction bar assembly 11 is located in the hoop sleeve 30, the hoop strip can be placed in the hoop groove 32. Through the cooperation of the hoop groove 32 and the hoop strip, the vertical rotation of the direction bar assembly 11 is limited to ensure that the direction bar assembly 11 remains in an upright state when riding.

[0058] Furthermore, the hoop strip is a magnetic metal piece, and the hoop groove 32 is also provided with a magnetic piece, and the magnetic piece is magnetically matched with the hoop strip;

[0059] Specifically, in order to prevent the hoop bar from jumping out of the hoop groove 32 during driving, the hoop bar can be set as a magnetic metal part, and a magnetic part, such as a magnet, is installed in the hoop groove 32, so that when the hoop bar is inserted into the hoop groove 32, the magnetic attraction cooperation between the magnetic part and the hoop bar can further improve the clamping stability of the hoop bar.

[0060] Further, in another embodiment of the clamp device 107, as Figure 8 As shown, the limiting member 31 includes: a hoop bar; the hoop bar is arc-shaped, one end of the hoop bar is rotatably connected to one end of the hoop sleeve 30, the other end of the hoop sleeve 30 is provided with a hoop groove 32 adapted to the hoop bar, and the top of the end of the hoop sleeve 30 provided with the hoop groove 32 is also provided with a spring latch 34;

[0061] Specifically, the hoop strip is arc-shaped and adapted to the outer curvature of the steering rod assembly. The hoop strip is rotatably connected to one end of the hoop sleeve 30. A hoop groove 32 is provided at the other end of the hoop sleeve 30. A spring pin 34 is provided at the top of the end of the hoop sleeve 30 where the hoop groove 32 is provided. When the end of the hoop strip is located in the hoop groove 32, the spring pin 34 restricts the end of the hoop strip from escaping from the hoop groove 32, and the steering rod assembly 11 can rotate horizontally in the clamp device 107, so that the steering rod assembly 11 can control the rotation of the wheel.

[0062] Furthermore, a limit pin 33 is provided at one end of the hoop bar away from the rotatable connection with the hoop sleeve 30, and the limit pin 33 is used to limit the hoop bar in the hoop groove 32;

[0063] Specifically, since the hoop 30 is usually made of plastic material, which has certain deformation characteristics, in order to prevent the hoop 30 from expanding due to the force generated by the direction rod assembly 11 during use, a limit pin 33 is provided at the end of the hoop bar away from the rotational connection with the hoop 30. The limit pin 33 abuts against the outer wall of the hoop 30, and the expansion of the hoop 30 is limited by the limit pin 33, thereby preventing the hoop bar from detaching from the hoop 30.

[0064] In the second embodiment, the two wheels 103 at the same end are directional wheels, a foldable steering assembly (not shown in the figure) is connected between the two directional wheels, the directional rod assembly 11 is located between the two directional wheels and is rotatably connected to the middle of the directional rod assembly, the directional rod assembly 11 drives the steering assembly to move, and the steering assembly drives the directional wheels to rotate;

[0065] The second embodiment differs from the first embodiment in that the setting position of the steering rod assembly 11 is different. In the first embodiment, the steering rod assembly 11 is located at the end of the riding portion 101, and in the second embodiment, the steering rod assembly 11 is located at the end of the loading portion 102. Specifically, in the second embodiment, two wheels 103 located at the loading portion 102 are rotatably connected to the support column 105 of the loading portion 102 to serve as steering wheels, and a steering assembly is connected between the two steering wheels. The steering assembly can be folded to adapt to the folding of the folding body 10; the steering rod assembly 11 is arranged between the two wheels 103 of the loading portion 102, and the steering rod assembly 11 is rotatably connected to the middle part of the steering assembly. When the steering rod assembly 11 rotates horizontally, it drives the steering assembly to move left and right, and the steering assembly pushes or pulls the corresponding wheel 103 to rotate to achieve steering control. In this embodiment, the clamp device 107 is arranged in the middle of the folding bracket 104 of the loading portion 102 away from the riding portion 101.

[0066] Further, in the second embodiment, the bottom end of the direction rod assembly 11 is rotatably connected to a shaft sleeve (not shown in the figure), and both ends of the shaft sleeve are rotatably connected to support rods (not shown in the figure), and one end of the support rod away from the shaft sleeve is rotatably connected to the folding body 10;

[0067] When the folding body 10 is folded, the two support posts 105 connected to the support posts will move closer to each other, and at this time, the two support posts will be squeezed to make the two support posts arch upward to lift the direction rod assembly 11, and the two support posts will move closer to each other to achieve the folding of the folding body 10, avoiding limiting the folding of the folding body 10. In order to facilitate the support post to be smoothly squeezed and arched by the support post 105, the two support posts are arched at a predetermined angle between them, so that they can be directly squeezed and lifted by the support post 105 without additional intervention. At the same time, in order to achieve the synchronous rotation of the two support posts, synchronous teeth are respectively provided on the adjacent ends of the two support posts, and the two synchronous teeth are meshed with each other, so that the two support posts are synchronized when rotating vertically, avoiding the situation of one fast and one slow.

[0068] Further, in the second embodiment, the seat assembly 20 is provided with two, each of the seat assemblies 20 comprises: a rotating seat 21, a seat support rod 23; the rotating seat 21 is rotatably arranged at the top of one of the support columns 105 at the same end as the direction rod assembly 11, one end of the seat support rod 23 is rotatably connected to the rotating seat 21, the seat support rod 23 can be vertically rotated relative to the rotating seat 21, and one end of the seat support rod 23 away from the rotating seat 21 is clamped with the top of the corresponding support column 105; a support member 25 is straddled between the two seat support rods 23 and is detachably connected to the seat support rods 23;

[0069] Specifically, in the second embodiment, two seat assemblies 20 are provided, which are respectively located on both sides of the loading part 102. Each seat assembly 20 includes a rotating seat 21, which is rotatably arranged on the top of the supporting column 105 connecting the wheel 103 of the loading part 102, and can be horizontally rotated relative to the supporting column 105. In the second embodiment, the rotating seat 21 itself is the rotating part; one end of the seat support rod 23 is rotatably connected to the rotating seat 21, and the seat support rod 23 can be vertically rotated relative to the rotating seat 21, and when connected to the riding part A holder 24 is respectively provided on the top of the two supporting columns 105 of the loading part 101 and the loading part 102, and the other end of the seat support rod 23 is clamped with the holder 24. By clamping, the seat support rod 23 can be removed from between the two supporting columns 105 when needed to avoid affecting the folding of the folding body 10; the support member 25 is straddled between the two seat support rods 23, and through the support of the seat support rods 23, the support member 25 can support the user to sit thereon, wherein the support member 25 and the seat support rod 23 are also detachably connected.

[0070] Further, in the second embodiment, the support member 25 is a rigid structural member or a flexible structural member;

[0071] Specifically, the support member 25 can be a hard structural member, such as a sponge pad plus a wooden board, or a flexible structural member, such as a woven cloth plus a pull rope, etc., depending on the usage requirements. When the woven cloth plus a pull rope is used, the seat support rod 23 can be cancelled, and the pull ropes are respectively connected to the corresponding support columns 105. The woven cloth in the middle can be pulled up to carry people.

[0072] In summary, the present application arranges the riding portion 101 into a triangle so that the folding body 10 is bullet-shaped as a whole. The shape of the folding body 10 is changed without affecting the loading capacity of the folding body 10. This is different from the prior art, is more novel, and has lower cost than the prior art. At the same time, a seat assembly 20 is provided on the riding portion 101 to realize the passenger-carrying function of the folding body 10, which makes it easier for users to use and effectively improves the user experience of the folding body 10. In addition, the folding body 10 can be gathered and folded normally to reduce the volume for easy carrying.

[0073] The present invention is not limited to what is described in the specification and implementation modes, and therefore, additional advantages and modifications can be easily realized by those familiar with the art. Therefore, without departing from the spirit and scope of the general concept defined by the claims and their equivalents, the present invention is not limited to the specific details, representative devices, and illustrative examples shown and described herein.

Claims

1. A three-wheeled foldable electric trailer with large capacity for riding, characterized in that: include: A folding vehicle body, which is a gathering type vehicle body, and has a connected riding part and a loading part, the riding part is triangular, and the loading part is rectangular. At least three wheels are provided at the bottom of the folding vehicle body, one of which or two of the wheels at the same end are rotatably connected to the folding vehicle body as a steering wheel, and at least one of the wheels is a driving wheel. The folding vehicle body is also rotatably provided with a steering rod assembly, and the steering rod assembly is connected to the steering wheel for controlling the steering of the steering wheel. The top of the riding part is also detachably connected to a seat assembly.

2. The large-capacity three-wheel foldable electric trailer capable of riding according to claim 1, characterized in that: The folding vehicle body includes: a plurality of folding brackets, each of which is in an "X" shape and can rotate at the intersection, the plurality of folding brackets are surrounded by each other, and two adjacent folding brackets are connected together by supporting columns, and each of the supporting columns is provided with a connecting seat at the top and bottom, and the wheels are connected to the corresponding connecting seats.

3. The large-capacity three-wheel foldable electric trailer capable of riding according to claim 1, characterized in that: The direction rod assembly comprises: a telescopic rod and a direction handle, wherein the direction handle is fixedly connected to the inner rod of the telescopic rod, and the direction handle is provided with a speed control device and a braking device for controlling the driving speed.

4. The large-capacity three-wheel foldable electric trailer capable of riding according to claim 2, characterized in that: A clamp device is provided on the supporting column or the folding bracket corresponding to the direction rod assembly, and the clamp device is used to limit the direction rod assembly to be in an upright state.

5. The large-capacity three-wheel foldable electric trailer capable of riding according to claim 2, characterized in that: One of the wheels is a steering wheel, the steering rod assembly is located above the steering wheel and fixedly connected to the steering wheel, and a foldable pedal is provided at the bottom of the foldable vehicle body corresponding to the steering rod assembly.

6. The large-capacity three-wheel foldable electric trailer capable of riding according to claim 2, characterized in that: The two wheels at the same end are steering wheels, a foldable steering assembly is connected between the two steering wheels, the steering rod assembly is located between the two steering wheels and is rotatably connected to the middle part of the steering assembly, the steering rod assembly drives the steering assembly to move, and the steering assembly drives the steering wheels to rotate.

7. The large-capacity three-wheel foldable electric trailer capable of riding according to claim 6, characterized in that: The bottom end of the direction rod assembly is rotatably connected with a shaft sleeve, and both ends of the shaft sleeve are rotatably connected with support rods respectively, and one end of the support rod away from the shaft sleeve is rotatably connected with the folding vehicle body.

8. The large-capacity three-wheel foldable electric trailer capable of riding according to claim 5, characterized in that: The seat assembly includes: a rotating seat and two seat struts, the rotating seat having two rotating parts that can rotate with each other, the rotating seat is rotatably arranged on the top of one of the supporting columns, one end of the two seat struts are respectively rotatably connected to the rotating seat, the seat struts can be vertically rotated relative to the rotating seat, one end of the seat strut away from the rotating seat is clamped with the top of the corresponding supporting column, and a support member is straddled on the two seat struts and is detachably connected to the seat struts.

9. The large-capacity three-wheel foldable electric trailer capable of riding according to claim 6, characterized in that: There are two seat assemblies, each of which includes: a rotating seat and a seat support rod; the rotating seat is rotatably arranged on the top of one of the support columns at the same end as the direction rod assembly, one end of the seat support rod is rotatably connected to the rotating seat, and the seat support rod can be vertically rotated relative to the rotating seat, and one end of the seat support rod away from the rotating seat is clamped with the top of the corresponding support column; a support member is arranged across the two seat support rods and is detachably connected to the seat support rods.

10. The large-capacity three-wheel foldable electric trailer capable of riding according to claim 8 or 9, characterized in that: The support member is a rigid structural member or a flexible structural member.

11. The large-capacity three-wheel foldable electric trailer capable of riding according to claim 1, characterized in that: The folding vehicle body is also provided with a controller and a power source electrically connected to the controller, the driving wheel is electrically connected to the controller, and the direction rod assembly is electrically connected to the controller for controlling the operation of the driving wheel.

12. The large-capacity three-wheel foldable electric trailer capable of riding according to claim 2, characterized in that: The riding part and the loading part are respectively provided with bottom bracket assemblies.

13. The large-capacity three-wheel foldable electric trailer capable of riding according to claim 4, characterized in that: The clamp device comprises: a clamp sleeve and a limiting member; the clamp sleeve is adapted to the direction rod assembly, the limiting member is movably arranged on the clamp sleeve, and the limiting member is used to limit the direction rod assembly within the clamp sleeve.

14. The large-capacity three-wheel foldable electric trailer capable of riding according to claim 13, characterized in that: The limiting member includes: a hoop bar; the hoop bar is arc-shaped, one end of the hoop bar is rotatably connected to one end of the hoop sleeve, the other end of the hoop sleeve is provided with a hoop groove adapted to the hoop bar on the front side, and a spring latch is also provided on the top of the end of the hoop sleeve provided with the hoop groove.

15. The large-capacity three-wheel foldable electric trailer capable of riding according to claim 14, characterized in that: A limit pin is also provided at one end of the hoop bar away from the rotatable connection with the hoop sleeve, and the limit pin is used to limit the hoop bar within the hoop groove.

16. The large-capacity three-wheel foldable electric trailer capable of riding according to claim 13, characterized in that: The limiting member comprises: a hoop bar; one end of the hoop bar is rotatably connected to one end of the hoop sleeve, and a hoop groove adapted to the hoop bar is opened on the top side of the other end of the hoop sleeve, and the hoop bar is clamped in the hoop groove.

17. The large-capacity three-wheel foldable electric trailer capable of riding according to claim 16, characterized in that: The hoop strip is a magnetic metal piece, and the hoop groove is also provided with a magnetic piece, and the magnetic piece is magnetically matched with the hoop strip.

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