Frame structure and monocycle comprising same

Abstract

The utility model discloses a frame structure and a monocycle comprising the frame structure. The frame structure comprises a wheel seat used for being connected with a wheel; the frame comprises an upper main body and a side plate, the upper main body and the wheel seat are vertically arranged at an interval, the side plate is connected to the upper main body, the side plate extends downwards, and the side plate is provided with a lower side part relatively far away from the upper main body; the first end of the shock absorber is connected to the lower side part, and the second end of the shock absorber is connected to the wheel seat; and the upper end of the battery is connected to the lower side part. The side plate is provided with the lower side portion relatively far away from the upper body, a proper space is provided for installation of the battery, and therefore the purpose that the installation position of the battery moves downwards relative to the upper body can be achieved, in this way, on one hand, the overall gravity center of the frame structure also moves downwards correspondingly, and then the running stability of the monocycle is improved; on the other hand, the purpose of properly shortening the length of the shock absorber can be achieved by moving the first end of the shock absorber downwards, and the overall stability of the frame structure can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, in particular to a frame structure and a wheelbarrow comprising the frame structure. Background Art

[0002] With the advancement of science and technology and the improvement of people's living standards, the unicycle, as a new means of transportation, has gradually been loved and sought after by people due to its portability, fashion and environmental protection. However, in the actual use of the unicycle, its driving stability and safety have always been the focus of people's attention. Since the shock absorber and battery need to be connected to the upper body of the frame, the traditional frame structure often has the problem of high center of gravity and insufficient stability. The installation position of the shock absorber and battery also often affects the overall layout and aesthetics of the frame. Utility Model Content

[0003] In order to overcome at least one defect of the prior art described above, the utility model provides a frame structure and a wheelbarrow including the frame structure, and achieves the purpose of moving the installation position of the shock absorber and the battery downward relative to the upper body by improving the design of the frame structure.

[0004] The technical solution adopted by the utility model to solve the problem is:

[0005] A frame structure for a wheelbarrow, comprising: a wheel seat for connecting a wheel; a frame comprising an upper body and side plates, wherein the upper body and the wheel seat are spaced apart from each other, the side plates are connected to the upper body, the side plates are extended downward, and the side plates have a lower side portion relatively away from the upper body; a shock absorber, wherein a first end of the shock absorber is connected to the lower side portion, a second end of the shock absorber is connected to the wheel seat, and the lower side portion can move up and down relative to the wheel seat; and a battery, wherein the upper end of the battery is connected to the lower side portion.

[0006] According to some embodiments of the present invention, the side panels are arranged to be inclined outwardly in a direction away from the upper body.

[0007] According to some embodiments of the present invention, the size of the side panel in the driving direction gradually decreases from bottom to top.

[0008] According to some embodiments of the utility model, the frame structure also includes a protective shell, which is disposed around the battery and covers the side panel, the protective shell having a first side and a second side, the first side being relatively close to the side panel, and the second side being relatively far away from the side panel, and the cross-sectional size of the protective shell gradually decreases from the first side to the second side.

[0009] According to some embodiments of the utility model, the frame structure also includes a mounting seat, the mounting seat has a transversely arranged first connecting portion, the first connecting portion is connected to the side plate, and the first end of the shock absorber is connected to the first connecting portion.

[0010] According to some embodiments of the present invention, the mounting seat has a second connecting portion arranged vertically, the second connecting portion is connected to the side plate, and the first connecting portion is connected to the second connecting portion.

[0011] According to some embodiments of the utility model, the lower side portion includes a mounting block and a first mounting port arranged in the driving direction, the upper end of the battery is connected to the mounting block, and the upper side wall of the first connecting portion abuts against the inner side wall of the first mounting port.

[0012] According to some embodiments of the present invention, a second mounting opening is formed on the second side of the protective shell, and the battery has an outer shell, and the outer shell is partially embedded in the second mounting opening.

[0013] According to some embodiments of the utility model, the upper body is provided with a first connecting hole, and the side panel is provided with a second connecting hole corresponding to the first connecting hole; the frame structure also includes a first fixing member, which is inserted into the first connecting hole and the second connecting hole to fix the relative positions of the upper body and the side panel.

[0014] According to some embodiments of the present invention, the side panel and the upper body are integrally formed.

[0015] In addition, the utility model also provides a wheelbarrow, comprising the frame structure as described above, and also comprising wheels, wherein the wheels are rotatably arranged on the wheel seat.

[0016] In summary, the frame structure and the unicycle including the frame structure provided by the utility model have at least the following technical effects:

[0017] The side panel has a lower side portion relatively far away from the upper body, which provides a suitable space for the installation of the shock absorber and the battery, thereby achieving the purpose of moving the installation position of the shock absorber and the battery downward relative to the upper body. In this way, on the one hand, the overall center of gravity of the frame structure is also moved downward accordingly, thereby improving the driving stability of the unicycle. During driving, the unicycle can better cope with various road conditions and bumps, and provide the rider with a more stable and safe riding experience; on the other hand, more space is reserved for the upper part of the frame structure, making the design of the frame structure more flexible and diversified. At the same time, this design also makes the appearance of the frame structure more beautiful and coordinated; on the other hand, moving the first end of the shock absorber downward can achieve the purpose of appropriately shortening the length of the shock absorber, and the overall stability of the frame structure can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the unicycle of the first embodiment and the third embodiment of the utility model;

[0019] Figure 2 It is a schematic diagram of the cross-sectional structure of the unicycle of the first embodiment and the third embodiment of the utility model in the thickness direction of the frame;

[0020] Figure 3 It is a schematic diagram of the exploded structure of the wheelbarrow of the first embodiment and the third embodiment of the utility model;

[0021] Figure 4 It is a schematic diagram of the assembly structure of the frame and the mounting seat of the first and third embodiments of the utility model;

[0022] Figure 5 It is a schematic diagram of the exploded structure of the frame and the mounting seat of the first and third embodiments of the utility model;

[0023] Figure 6 It is a schematic structural diagram of the frame structure (protective shell not shown) of Embodiment 1 and Embodiment 3 of the present utility model at a first viewing angle;

[0024] Figure 7 It is a schematic structural diagram of the frame structure (protective shell not shown) of Embodiment 1 and Embodiment 3 of the present invention at a second viewing angle.

[0025] The meanings of the reference numerals are as follows:

[0026] 1. Wheel seat; 2. Frame; 21. Upper body; 211. First connecting hole; 22. Side plate; 221. Lower side; 2211. First mounting port; 2212. Mounting block; 2213. Fifth connecting hole; 222. Second connecting hole; 223. Third connecting hole; 3. Shock absorber; 31. First end; 32. Second end; 33. Piston rod; 34. Cylinder; 4. Battery; 41. Housing; 42. Fixing block; 421. Sixth connecting hole; 5. Protective shell; 51. First side; 52. Second side; 53. Annular shell; 54. Inclined shell; 55. Second mounting port; 6. Mounting seat; 61. First connecting part; 62. Second connecting part; 621. Fourth connecting hole; 7. Guide block; 8. Pedal; 9. Pedal seat; 91. First seat body; 92. Second seat body; 100. Wheel; 101. Wheel body; 102. Hub. DETAILED DESCRIPTION

[0027] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0028] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0030] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0031] Embodiment 1

[0032] See also Figures 1 to 7 The utility model discloses a frame structure for a wheelbarrow, comprising a wheel seat 1, a frame 2, a shock absorber 3 and a battery 4; the wheel seat 1 is used to connect a wheel 100, the frame 2 comprises an upper body 21 and two side plates 22, the upper body 21 and the wheel seat 1 are arranged with an interval up and down, the two side plates 22 are connected to the two sides of the upper body 21, the side plates 22 are extended downward, and the side plates 22 have a lower side portion 221 relatively far away from the upper body 21; the first end 31 of the shock absorber 3 is connected to the lower side portion 221, the second end 32 of the shock absorber 3 is connected to the wheel seat 1, the first end 31 and the second end 32 of the shock absorber 3 can be relatively movable to provide a damping and shock-absorbing effect for the wheelbarrow; the upper end of the battery 4 is connected to the lower side portion 221.

[0033] The present embodiment provides a frame structure for a wheelbarrow, wherein the side panel 22 has a lower side portion 221 relatively far away from the upper body 21, providing a suitable space for the installation of the shock absorber 3 and the battery 4, thereby achieving the purpose of moving the installation positions of the shock absorber 3 and the battery 4 downward relative to the upper body 21. In this way, on the one hand, the overall center of gravity of the frame structure is also moved downward accordingly, thereby improving the driving stability of the wheelbarrow. During driving, the wheelbarrow can better cope with various road conditions and bumps, providing the rider with a more stable and safe riding experience; on the other hand, more space is reserved for the upper part of the frame structure, making the design of the frame structure more flexible and diversified. At the same time, this design also makes the appearance of the frame structure more beautiful and coordinated; on the other hand, moving the first end of the shock absorber 3 downward can achieve the purpose of appropriately shortening the length of the shock absorber 3, and the overall stability of the frame structure can be improved.

[0034] like Figure 1 , Figure 2 and Figure 3 As shown, further, in this embodiment, the frame structure also includes a protective shell 5, which is arranged around the battery 4 and covers the side plate 22; it can be understood that since the space between the upper end of the battery 4 and the upper body 21 is relatively large, this can allow the edge thickness of the protective shell 5 between the upper end of the battery 4 and the upper body 21 to be reduced, that is, a protective shell 5 with a thinner edge can be selected, so that the frame structure as a whole is thinner and more beautiful in appearance. Specifically, in this embodiment, the protective shell 5 has a first side 51 and a second side 52, the first side 51 is relatively close to the side plate 22, and the second side 52 is relatively far from the side plate 22, and the cross-sectional size of the protective shell 5 gradually decreases from the first side 51 to the second side 52, so that the edge thickness of the protective shell 5 is thinner.

[0035] like Figure 1 , Figure 2 and Figure 3 As shown, specifically, in this embodiment, an annular shell 53 and an inclined shell 54 are sequentially formed between the first side 51 and the second side 52, the cross-sectional size of the annular shell 53 is basically the same along the direction from the first side 51 to the second side 52, and the cross-sectional size of the inclined shell 54 gradually decreases along the direction from the first side 51 to the second side 52.

[0036] Preferably, in this embodiment, the protective shell 5 is in a truncated cone shape. Specifically, the first side 51 is the lower bottom surface of the protective shell 5 , and the second side 52 is the upper bottom surface of the protective shell 5 .

[0037] It should be noted that in some other embodiments, the protective shell 5 may also be, but not limited to, an elliptical cone or a polygonal cone, as long as its cross-sectional dimensions gradually decrease from the first side 51 to the second side 52 so that the edge thickness is thinner.

[0038] It can be understood that, in the present embodiment, the frame 2 can move up and down relative to the wheel seat 1, specifically, the upper body 21, the lower side portion 221 of the side plate 22, the battery 4 and the first end 31 of the shock absorber 3 move up and down synchronously relative to the second end 32 of the shock absorber 3; specifically, in the present embodiment, the second end 32 of the shock absorber 3 is inserted and fixed in the wheel seat 1.

[0039] like Figure 2 , Figure 4 and Figure 6 As shown, preferably, in this embodiment, the side plate 22 is tilted outwardly in a direction away from the upper body 21, so that the lower side portion 221 of the side plate 22 is connected to the upper end of the battery 4 and the first end 31 of the shock absorber 3 respectively, and compared with the side plate 22 being vertically arranged relative to the upper body 21, the upper body 21 can be reduced in the direction of the frame thickness (reference Figure 6The length of the frame is increased (in the e1 direction), thereby further reducing the weight of the frame structure.

[0040] More preferably, the size of the side plate 22 in the travel direction gradually decreases from bottom to top. Specifically, the travel direction is the forward direction of the wheelbarrow (refer to Figure 7 In the e2 direction), the side panel 22 is narrow at the top and wide at the bottom in the driving direction, which is beneficial for the upper end of the battery 4 and the first end 31 of the shock absorber 3 to be connected to the lower side portion 221 of the side panel 22 respectively, and the upper size of the side panel 22 can be reduced, thereby achieving further lightness and thinness of the frame structure.

[0041] like Figure 2 , Figure 4 and Figure 5 As shown, preferably, in the present embodiment, the frame structure further includes a mounting seat 6, preferably, the mounting seat 6 has a transversely arranged first connecting portion 61, the first connecting portion 61 is connected to the side plate 22, the first end 31 of the shock absorber 3 is connected to the first connecting portion 61, and by arranging the first connecting portion 61 to connect the side plate 22 and the first end 31 of the shock absorber 3, the connection stability between the side plate 22 and the first end 31 of the shock absorber 3 can be effectively improved.

[0042] like Figure 2 , Figure 4 and Figure 5 As shown, more preferably, in this embodiment, in order to improve the connection stability between the mounting seat 6 and the side panel 22 , the mounting seat 6 has a vertically arranged second connection portion 62 , the second connection portion 62 is connected to the side panel 22 , and the first connection portion 61 is connected to the second connection portion 62 .

[0043] like Figure 5 As shown, specifically, in this embodiment, a third connection hole 223 is provided on the side plate 22, a fourth connection hole 621 corresponding to the third connection hole 223 is provided on the second connection portion 62, and the frame structure further includes a second fixing member, which is inserted into the third connection hole 223 and the fourth connection hole 621 to fix the relative position of the second connection portion 62 and the side plate 22. Preferably, in this embodiment, a plurality of third connection holes 223 are provided, the number of the fourth connection holes 621 and the second fixing member are the same as the number of the third connection holes 223, the plurality of fourth connection holes 621 and the plurality of third connection holes 223 correspond one to one, and the plurality of second fixing members are respectively inserted between the third connection hole 223 and the fourth connection hole 621.

[0044] like Figure 3 , Figure 5 and Figure 7As shown, specifically, in this embodiment, the lower side portion 221 includes a mounting block 2212 and a first mounting opening 2211 arranged in a row in the driving direction, the upper end of the battery 4 is connected to the mounting block 2212, a portion of the first connection portion 61 is located in the first mounting opening 2211, and the upper side wall of the first connection portion 61 is against the inner side wall of the first mounting opening 2211, so that the inner side wall of the first mounting opening 2211 can withstand the impact force of the first connection portion 61, thereby improving the overall support strength of the frame structure. More specifically, in this embodiment, the first mounting opening 2211 is provided with the mounting blocks 2212 on both sides of the driving direction, and the mounting blocks 2212 on both sides of the first mounting opening 2211 can be used to connect the battery 4.

[0045] like Figure 5 As shown, specifically, in this embodiment, the upper body 21 is provided with first connection holes 211 on both sides in the thickness direction of the frame, and each side plate 22 is provided with a second connection hole 222 corresponding to the first connection hole 211; the frame structure also includes a first fixing member, which is inserted into the first connection hole 211 and the second connection hole 222 to fix the relative position of the upper body 21 and the side plate 22. Preferably, in this embodiment, a plurality of first connection holes 211 are provided, and the plurality of first connection holes 211 are arranged at intervals along the driving direction, the number of the second connection holes 222 and the first fixing member is the same as the number of the first connection holes 211, the plurality of second connection holes 222 and the plurality of first connection holes 211 correspond one to one, and the plurality of first fixing members are respectively inserted between the second connection holes 222 and the first connection holes 211.

[0046] like Figure 2 As shown, specifically, in this embodiment, the shock absorber 3 includes a cylinder 34 and a piston rod 33, the piston rod 33 is slidably connected to the cylinder 34, and one end of the cylinder 34 is fixedly connected to the wheel seat 1. Specifically, the first end 31 of the shock absorber 3 is the end of the piston rod 33 extending out of the cylinder 34, and the second end 32 of the shock absorber 3 is the end of the cylinder 34 connected to the wheel seat 1; the end of the piston rod 33 extending out of the cylinder 34 is connected to the lower side portion 221, and the piston rod 33 can move up and down relative to the cylinder 34 to provide damping shock absorption.

[0047] It should be noted that, in some other embodiments, the shock absorber 3 can be arranged inverted. In this case, the end of the piston rod 33 extending out of the cylinder 34 needs to be connected to the wheel seat 1, and the cylinder 34 needs to be fixed to the first mounting port 2211, which can be selected according to actual needs.

[0048] like Figure 1 and Figure 3As shown, preferably, in this embodiment, a second mounting opening 55 is opened on the second side 52 of the protective shell 5, and the battery 4 has an outer shell 41 and a battery cell, the battery cell is arranged in the outer shell 41, and the outer shell 41 is partially embedded in the second mounting opening 55. In this way, on the one hand, guidance and positioning can be provided for the installation of the battery 4 to improve the installation stability of the battery 4. On the other hand, the outer shell 41 is partially embedded in the second mounting opening 55, which can also achieve the purpose of making the frame structure lighter and thinner.

[0049] like Figure 5 As shown, specifically, in this embodiment, the mounting block 2212 is provided with a fifth connecting hole 2213, a fixing block 42 is protruding from the upper end of the outer shell 41 of the battery 4, the fixing block 42 is provided with a sixth connecting hole 421 corresponding to the fifth connecting hole 2213, and the frame structure also includes a third fixing member, which is inserted into the sixth connecting hole 421 and the fifth connecting hole 2213 to fix the relative positions of the outer shell 41 of the battery 4 and the mounting block 2212.

[0050] like Figure 3 and Figure 7 As shown, preferably, in this embodiment, the frame structure further includes a guide block 7, which is connected to the housing 41 of the battery 4 and moves with the battery 4. The guide block 7 is slidably arranged on the cylinder 34, so that the guide block 7 can provide guidance for the overall synchronous movement of the upper body 21, the side plate 22 and the battery 4. More preferably, in this embodiment, each guide block 7 is fixedly connected to the housing 41 of two batteries 4 arranged in a row along the driving direction, so as to provide guidance for the up and down movement of the two batteries 4 at the same time.

[0051] Specifically, in this embodiment, the frame structure also includes a foot pedal 8 and a foot pedal seat, the foot pedal 8 is connected to the foot pedal seat, and the foot pedal seat is slidably connected to the sleeve. More specifically, the foot pedal seat includes a first seat body 91 and two second seat bodies 92, the foot pedal 8 is connected to the first seat body 91, the first seat body 91 is slidably connected to the sleeve, and the two second seat bodies 92 are respectively connected to both sides of the first seat body 91 in the driving direction, and the two second seat bodies 92 and the outer shells 41 of the two batteries 4 are connected one by one to support the batteries 4.

[0052] Embodiment 2

[0053] The main difference between this embodiment and the first embodiment is that the upper body 21 and the side panel 22 are integrally formed and connected, so that the connection strength between the upper body 21 and the side panel 22 can be guaranteed and improved, and the overall production cost of the frame structure can be reduced; specifically, the upper main board and the side panel 22 can be, but are not limited to, integrally bent or integrally injection molded, which can be selected according to actual needs and is not limited to this.

[0054] Furthermore, in the present embodiment, the mounting seat 6 and the side panel 22 are also integrally connected. Specifically, the second connecting portion 62 and the side panel 22 are integrally connected to achieve the purpose of improving structural strength and reducing production costs.

[0055] Embodiment 3

[0056] The present embodiment further provides a wheelbarrow, comprising the frame structure as described in the above embodiment 1 or embodiment 2, and also comprising a wheel 100, the wheel 100 is rotatably arranged between the two wheel seats 1, specifically, the wheel 100 is a motor wheel, the motor wheel comprises a wheel hub 102 and a wheel body 101, the wheel body 101 is sleeved on the outer peripheral side of the wheel hub 102, and the wheel hub 102 is rotatably connected between the two wheel seats 1. The wheelbarrow has all the advantages of the frame structure described in embodiment 1 or embodiment 2, which will not be repeated here.

[0057] In summary, the frame structure and the unicycle including the frame structure disclosed in the utility model can at least bring the following beneficial technical effects:

[0058] 1) The overall center of gravity of the frame structure can be moved downward, making riding more stable;

[0059] 2) Moving the first end of the shock absorber 3 downward can achieve the purpose of appropriately shortening the length of the shock absorber 3, and the overall stability of the frame structure can be improved;

[0060] 3) It is possible to select a protective shell 5 with a thinner edge, so that the frame structure as a whole can be thinner and lighter and have a more beautiful appearance;

[0061] 4) The side panels 22 are tilted outwards away from the upper body 21, which can reduce the length of the upper body 21 in the thickness direction of the frame, thereby achieving a further lightness and thinness of the frame structure;

[0062] 5) The size of the side panel 22 in the driving direction gradually decreases from bottom to top, which is conducive to the upper end of the battery 4 and the first end 31 of the shock absorber 3 being connected to the lower side portion 221 of the side panel 22 respectively, and the upper size of the side panel 22 can be reduced, thereby achieving further lightweight and thinning of the frame structure.

[0063] The technical means disclosed in the solution of the utility model are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications are also regarded as the protection scope of the utility model.

Claims

1. A frame structure for a unicycle, characterized in that: include: A wheel seat (1) for connecting a wheel (100); The frame (2) comprises an upper body (21) and a side plate (22), wherein the upper body (21) and the wheel seat (1) are arranged with a vertical spacing, the side plate (22) is connected to the upper body (21), the side plate (22) is extended downward, and the side plate (22) has a lower side portion (221) relatively far away from the upper body (21); A shock absorber (3), wherein a first end (31) of the shock absorber (3) is connected to the lower side portion (221), and a second end (32) of the shock absorber (3) is connected to the wheel seat (1); A battery (4), wherein the upper end of the battery (4) is connected to the lower side portion (221).

2. The frame structure according to claim 1, characterized in that: The side plate (22) is arranged to be inclined outwardly in a direction away from the upper body (21).

3. The frame structure according to claim 1, characterized in that: The size of the side plate (22) in the driving direction gradually decreases from bottom to top.

4. The frame structure according to claim 1, characterized in that: The frame structure further comprises a protective shell (5), the protective shell (5) being arranged around the battery (4) and covering the side plate (22), the protective shell (5) having a first side (51) and a second side (52), the first side (51) being relatively close to the side plate (22), the second side (52) being relatively far from the side plate (22), and the cross-sectional dimension of the protective shell (5) gradually decreasing along the direction from the first side (51) to the second side (52).

5. The frame structure according to any one of claims 1 to 4, characterized in that: The frame structure also includes a mounting seat (6), the mounting seat (6) having a first connecting portion (61) arranged transversely, the first connecting portion (61) being connected to the side plate (22), and the first end (31) of the shock absorber (3) being connected to the first connecting portion (61).

6. The frame structure according to claim 5, characterized in that: The mounting seat (6) has a second connecting portion (62) arranged vertically, the second connecting portion (62) is connected to the side plate (22), and the first connecting portion (61) is connected to the second connecting portion (62).

7. The vehicle frame structure according to claim 6, characterized in that: The lower side portion (221) comprises a mounting block (2212) and a first mounting opening (2211) arranged in a row in the direction of travel, the upper end of the battery (4) is connected to the mounting block (2212), and the upper side wall of the first connecting portion (61) abuts against the inner side wall of the first mounting opening (2211).

8. The frame structure according to claim 1 or 2 or 3 or 4 or 6 or 7, characterized in that: The upper body (21) is provided with a first connection hole (211), and the side plate (22) is provided with a second connection hole (222) corresponding to the first connection hole (211); The frame structure also includes a first fixing member, which is inserted into the first connecting hole (211) and the second connecting hole (222) to fix the relative positions of the upper body (21) and the side plate (22).

9. The frame structure according to claim 1 or 2 or 3 or 4 or 6 or 7, characterized in that: The side plate (22) and the upper body (21) are integrally formed.

10. A wheelbarrow, characterized in that: It comprises a frame structure as claimed in any one of claims 1 to 9, and further comprises a wheel (100), wherein the wheel (100) is rotatably arranged on the wheel seat (1).

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