Scooter handlebar structure and scooter

Abstract

The utility model belongs to the technical field of scooters, and particularly relates to a scooter handlebar structure and a scooter. In the scooter handlebar structure, a scooter body rod comprises a rod body and a second fastening block which are integrally formed; the first fastening block is provided with a first groove, a first fastening hole and a second fastening hole, wherein the first fastening hole and the second fastening hole are located in the two opposite sides of the first groove. The second fastening block is provided with a second groove, a third fastening hole and a fourth fastening hole, wherein the third fastening hole and the fourth fastening hole are located in the two opposite sides of the second groove. The first fastening block is installed on the second fastening block, the first fastening piece is inserted into the first fastening hole and the third fastening hole, the second fastening piece is inserted into the second fastening hole and the fourth fastening hole, and a fixing hole is defined by the first groove and the second groove; and the handle rod is fixedly mounted in the fixing hole. According to the electric bicycle, the handle rod and the bicycle body rod are easy to disassemble and assemble.

Description

Technical Field

[0001] The utility model belongs to the technical field of scooters, in particular to a scooter handlebar structure and a scooter. Background Art

[0002] Scooters are a flexible and convenient means of transportation, which are very popular among people. Scooters usually include a handlebar, a body bar, wheels and pedals. After the body bar and the handlebar are fixedly connected, the pedals are fixedly connected to the body bar to form a stable structure, and finally the wheels are installed on the pedals to form a scooter structure. When in use, one foot of the person stands on the pedal, and the other foot keeps sliding to keep the scooter moving continuously on the ground.

[0003] In the prior art, the handlebar is usually fixedly installed on the vehicle body rod by using a sleeve. During the installation process, the handlebar needs to be inserted into the sleeve from the side, which causes the problem of inconvenient assembly and disassembly operations. Utility Model Content

[0004] The technical problem to be solved by the utility model is that there is a technical problem that the disassembly and assembly operation of the handlebar rod and the body rod is inconvenient, and a scooter handlebar structure and a scooter are provided.

[0005] In order to solve the above technical problems, the embodiment of the utility model provides a scooter handlebar structure, including a handlebar rod, a body rod, a first fastening block, a first fastening member and a second fastening member, wherein the body rod includes an integrally formed rod body and a second fastening block;

[0006] The first fastening block is provided with a first groove and a first fastening hole and a second fastening hole located on opposite sides of the first groove; the second fastening block is provided with a second groove and a third fastening hole and a fourth fastening hole located on opposite sides of the second groove;

[0007] The first fastening block is mounted on the second fastening block, the first fastening member is inserted into the first fastening hole and the third fastening hole, the second fastening member is inserted into the second fastening hole and the fourth fastening hole, and the first groove and the second groove are surrounded to form a fixing hole;

[0008] The handlebar is fixedly installed in the fixing hole.

[0009] Optionally, the first fastener includes a first head end and a first screw connected to the first head end; the second fastener includes a second head end and a second screw connected to the second head end;

[0010] The third fastening hole is a first internal threaded hole, and the fourth fastening hole is a second internal threaded hole;

[0011] The first head end is inserted into the first fastening hole, and an end of the first screw rod away from the first head end passes through the first fastening hole and is threadedly connected with the first internal threaded hole;

[0012] The second head end is inserted into the second fastening hole, and one end of the second screw rod away from the second head end passes through the second fastening hole and is threadedly connected with the second internal threaded hole.

[0013] Optionally, the second fastening block includes a connecting pipe and a first connecting block and a second connecting block installed on the connecting pipe, the connecting pipe and the rod body are an integrally formed part, and the second groove is arranged on the connecting pipe; the first internal threaded hole is arranged on the first connecting block, and the second internal threaded hole is arranged on the second connecting block.

[0014] Optionally, the first connecting block includes a first disc and a first square tube connected to the first disc, and the first internal threaded hole penetrates the first disc and the first square tube;

[0015] The connecting tube is also provided with a first square hole adapted to the first square tube, the first square tube is inserted in the first square hole with interference fit, and the first disc abuts against the outer wall of the connecting tube.

[0016] Optionally, the second connecting block includes a second disc and a second square tube connected to the second disc, and the second internal threaded hole penetrates the second disc and the second square tube;

[0017] The connecting pipe is also provided with a second square hole adapted to the second square pipe, the second square pipe is inserted in the second square hole with interference fit, and the second disc abuts against the outer wall of the connecting pipe.

[0018] Optionally, the connecting pipe is further provided with a first side groove and a second side groove located on opposite sides of the second groove, the first connecting block is installed in the first side groove, and the second connecting block is installed in the second side groove.

[0019] Optionally, the handlebar rod comprises a first handlebar, a fastening rod and a second handlebar coaxially connected in sequence, the outer diameter of the fastening rod is larger than the outer diameters of the first handlebar and the second handlebar, and the fastening rod is fixedly installed in the fixing hole.

[0020] Optionally, the scooter handlebar structure further includes a first handlebar sleeve and a second handlebar sleeve sleeved at opposite ends of the handlebar rod.

[0021] Another embodiment of the utility model further provides a scooter, comprising a pedal, a first wheel, a second wheel and the above-mentioned scooter handlebar structure; one end of the rod body away from the handlebar is installed on the pedal, and the first wheel and the second wheel are both rotatably installed on the pedal.

[0022] Optionally, the pedal comprises a vertical rod, a pedal body and an oblique tube connected between the vertical rod and the pedal body; the first wheel is rotatably mounted on the vertical rod, and the second wheel is rotatably mounted on the pedal body;

[0023] The scooter further comprises a third fastener and a fastening cylinder, wherein the fastening cylinder is provided with a first inner hole and a first notch connected to the first inner hole, a first fastening arm and a second fastening arm are respectively provided on opposite sides of the first notch, the first fastening arm is provided with a fifth fastening hole connected to the first notch, and the second fastening arm is provided with a sixth fastening hole connected to the first notch;

[0024] The rod body is also provided with a second inner hole and a second notch communicating with the second inner hole;

[0025] The vertical rod is inserted in the second inner hole, the fastening tube is sleeved on the rod body through the first inner hole, the third fastener is inserted in the fifth fastening hole and the sixth fastening hole, and the fastening tube is used to press the rod body onto the vertical rod through the second notch.

[0026] In the present invention, after the handlebar is placed in the second groove of the second fastening block, the first fastening block is sleeved on the upper end of the handlebar, and the first fastener is inserted into the first fastening hole and the third fastening hole, and the second fastener is inserted into the second fastening hole and the fourth fastening hole. The first fastener and the second fastener can press the handlebar into the fixing hole surrounded by the first fastening block and the second fastening block, thereby completing the assembly between the handlebar and the vehicle body rod. After the first fastener is removed from the second fastening hole and the second fastener is removed from the fourth fastening hole, the first fastening block and the second fastening block will loosen the handlebar, and the handlebar can be removed from the vehicle body rod. In the present invention, the disassembly and assembly operation between the handlebar and the vehicle body rod is simple, and the tightness of the connection between the handlebar and the vehicle body rod is guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0028] Figure 1 It is a structural schematic diagram of a scooter handlebar structure provided by an embodiment of the utility model;

[0029] Figure 2 It is a structural schematic diagram of a first fastening block of a scooter handlebar structure provided by an embodiment of the utility model;

[0030] Figure 3 It is a structural schematic diagram of a body rod of a scooter handlebar structure provided by an embodiment of the utility model;

[0031] Figure 4 yes Figure 3 A partial enlarged view of the middle A;

[0032] Figure 5 It is a structural schematic diagram of a first fastener of a scooter handlebar structure provided by an embodiment of the utility model;

[0033] Figure 6 It is a cross-sectional view of a handlebar rod of a scooter handlebar structure provided by an embodiment of the utility model;

[0034] Figure 7 It is a structural schematic diagram of a scooter provided by an embodiment of the utility model;

[0035] Figure 8 yes Figure 7 A partial enlarged view of point B in the middle.

[0036] The reference numerals in the specification are as follows:

[0037] 1. Scooter handlebar structure; 11. Handlebar rod; 111. First handlebar; 112. Fastening rod; 113. Second handlebar; 12. Vehicle body rod; 121. Rod body; 1211. Second notch; 122. Second fastening block; 1221. Second groove; 1222. Third fastening hole; 1223. Fourth fastening hole; 1224. Connecting pipe; 12241. First side groove; 12242. Second side groove; 1225. First connecting block; 12251. First disc; 12252. First square tube; 1226. Second connecting block; 13. First fastening block; 131. First groove; 132. First fastening hole; 133. Second fastening hole; 14. First fastener; 15. Second fastener; 16. First handlebar cover; 17. Second handlebar cover;

[0038] 2. Pedal; 21. Vertical rod; 22. Pedal body; 23. Oblique tube; 3. First wheel; 4. Second wheel; 5. Third fastener; 6. Fastening tube; 61. First inner hole; 62. First notch; 63. First fastening arm; 64. Second fastening arm. DETAILED DESCRIPTION

[0039] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0040] It should be understood that the directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "front", "back", and "middle" 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. They 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 should not be understood as a limitation of the present invention.

[0041] like Figures 1 to 4 As shown, a scooter handlebar structure 1 provided by an embodiment of the utility model includes a handlebar rod 11, a body rod 12, a first fastening block 13, a first fastener 14 and a second fastener 15, wherein the body rod 12 includes an integrally formed rod body 121 and a second fastening block 122; it can be understood that the first fastener 14 and the second fastener 15 both include but are not limited to bolts, screws, etc.

[0042] The first fastening block 13 is provided with a first groove 131 and a first fastening hole 132 and a second fastening hole 133 located on opposite sides of the first groove 131; the second fastening block 122 is provided with a second groove 1221 and a third fastening hole 1222 and a fourth fastening hole 1223 located on opposite sides of the second groove 1221; it can be understood that the first groove 131 and the second groove 1221 are both semicircular grooves.

[0043] The first fastening block 13 is installed on the second fastening block 122, the first fastener 14 is inserted into the first fastening hole 132 and the third fastening hole 1222, the second fastener 15 is inserted into the second fastening hole 133 and the fourth fastening hole 1223, and the first groove 131 and the second groove 1221 are surrounded to form a fixing hole; it can be understood that the first fastening block 13 is fixedly installed on the second fastening block 122 by the first fastener 14 inserted into the first fastening hole 132 and the third fastening hole 1222, and the second fastener 15 inserted into the second fastening hole 133 and the fourth fastening hole 1223.

[0044] The handlebar rod 11 is fixedly installed in the fixing hole.

[0045] Specifically, after placing the handlebar 11 in the second groove 1221 of the second fastening block 122, the first fastening block 13 is sleeved on the upper end of the handlebar 11, and the first fastener 14 is inserted into the first fastening hole 132 and the third fastening hole 1222, and the second fastener 15 is inserted into the second fastening hole 133 and the fourth fastening hole 1223. The first fastener 14 and the second fastener 15 can press the handlebar 11 into the fixing hole surrounded by the first fastening block 13 and the second fastening block 122, thereby completing the assembly between the handlebar 11 and the vehicle body rod 12. After removing the first fastener 14 from the second fastening hole 133 and removing the second fastener 15 from the fourth fastening hole 1223, the first fastening block 13 and the second fastening block 122 will loosen the handlebar 11, and the handlebar 11 can be removed from the vehicle body rod 12. In the utility model, the disassembly and assembly operation between the handlebar rod 11 and the vehicle body rod 12 is simple, and the tightness of the connection between the handlebar rod 11 and the vehicle body rod 12 is ensured.

[0046] In one embodiment, the first fastener 14 includes a first head end and a first screw connected to the first head end; the second fastener 15 includes a second head end and a second screw connected to the second head end; it can be understood that the first head end and the first screw are an integrally formed part, and the second head end and the second screw are an integrally formed part.

[0047] The third fastening hole 1222 is a first internal threaded hole, and the fourth fastening hole 1223 is a second internal threaded hole; to further illustrate, both the first fastening hole 132 and the third fastening hole 1222 are countersunk holes.

[0048] The first head end is inserted into the first fastening hole 132, and the end of the first screw away from the first head end passes through the first fastening hole 132 and is threadedly connected to the first internal threaded hole; the second head end is inserted into the second fastening hole 133, and the end of the second screw away from the second head end passes through the second fastening hole 133 and is threadedly connected to the second internal threaded hole.

[0049] In this embodiment, the first fastener 14 and the second fastener 15 are both threadedly connected to the second fastening block 122 , so that the first fastening block 13 and the second fastening block 122 are easy to assemble and disassemble.

[0050] In one embodiment, if Figures 3 to 5As shown, the second fastening block 122 includes a connecting pipe 1224 and a first connecting block 1225 and a second connecting block 1226 installed on the connecting pipe 1224. The connecting pipe 1224 and the rod body 121 are integrally formed. The second groove 1221 is provided on the connecting pipe 1224. The first internal threaded hole is provided on the first connecting block 1225, and the second internal threaded hole is provided on the second connecting block 1226. It can be understood that both the first connecting block 1225 and the second connecting block 1226 include, but are not limited to, nuts, etc. The first connecting block 1225 increases the connection area between the first fastener 14 and the connecting pipe 1224, and the second connecting block 1226 increases the connection area between the second fastener 15 and the connecting pipe 1224, further ensuring the tightness of the connection between the first fastening block 13 and the connecting pipe 1224.

[0051] In one embodiment, if Figures 3 to 5 As shown, the first connecting block 1225 includes a first disc 12251 and a first square tube 12252 connected to the first disc 12251, and the first internal threaded hole penetrates the first disc 12251 and the first square tube 12252; it can be understood that the first disc 12251 and the first square tube 12252 are an integrally formed part, and the side of the first square tube 12252 is composed of multiple inclined surfaces.

[0052] The connecting tube 1224 is also provided with a first square hole (not shown) adapted to the first square tube 12252. The first square tube 12252 is inserted into the first square hole with interference fit, and the first disc 12251 abuts against the outer wall of the connecting tube 1224. It can be understood that the first disc 12251 cannot pass through the first square hole.

[0053] In this embodiment, when the first fastener 14 is threadedly connected in the first internal threaded hole, since the first square tube 12252 is inserted in the first square hole, during the rotation of the first fastener 14, the first connecting block 1225 will not rotate with the first fastener 14, thereby ensuring the convenience of disassembly and assembly between the first fastener 14 and the first connecting block 1225.

[0054] In one embodiment, the second connecting block 1226 includes a second circular disc and a second square tube connected to the second circular disc, and the second internal threaded hole penetrates the second circular disc and the second square tube; it can be understood that the second circular disc and the second square tube are an integrally formed part, and the side surface of the second square tube is composed of multiple inclined surfaces.

[0055] The connecting tube 1224 is also provided with a second square hole adapted to the second square tube, the second square tube is inserted in the second square hole with interference fit, and the second disc abuts against the outer wall of the connecting tube 1224. It can be understood that the second disc cannot pass through the second square hole.

[0056] In this embodiment, when the second fastener 15 is threadedly connected in the second internal threaded hole, since the second square tube is inserted in the second square hole, the second connecting block 1226 will not rotate with the second fastener 15 during the rotation of the second fastener 15, thereby ensuring the convenience of disassembly and assembly between the second fastener 15 and the second connecting block 1226.

[0057] In one embodiment, if Figure 3 and 4 As shown, the connecting pipe 1224 is further provided with a first side groove 12241 and a second side groove 12242 located on opposite sides of the second groove 1221, the first connecting block 1225 is installed in the first side groove 12241, and the second connecting block 1226 is installed in the second side groove 12242. It can be understood that the first square tube 12252 extends into the first side groove 12241, and the second square tube extends into the second side groove 12242, so that the edge of the first side groove 12241 can protect the first square tube 12252, and the edge of the second side groove 12242 can protect the second square tube, thereby extending the service life of the scooter handlebar structure 1.

[0058] In one embodiment, if Figure 6 As shown, the handlebar 11 comprises a first handlebar 111, a fastening rod 112 and a second handlebar 113 which are coaxially connected in sequence. The outer diameter of the fastening rod 112 is larger than the outer diameters of the first handlebar 111 and the second handlebar 113. The fastening rod 112 is fixedly installed in the fixing hole. It can be understood that the first handlebar 111 and the second handlebar 113 are symmetrically connected at opposite ends of the fastening rod 112. The fastening rod 112 has a larger outer diameter, which ensures the tightness of the first fastening block 13 and the second fastening block 122 clamping the handlebar 11.

[0059] In one embodiment, if Figure 1 As shown, the scooter handlebar structure 1 further includes a first handlebar sleeve 16 and a second handlebar sleeve 17 sleeved at opposite ends of the handlebar rod 11. It can be understood that both the first handlebar sleeve 16 and the second handlebar sleeve 17 are silicone sleeves, and the outer walls of the first handlebar sleeve 16 and the second handlebar sleeve 17 are provided with annular protrusions distributed at intervals, which improves the comfort of the user holding the handlebar rod 11.

[0060] like Figure 7 As shown, another embodiment of the utility model further provides a scooter, comprising a pedal 2, a first wheel 3, a second wheel 4 and the above-mentioned scooter handlebar structure 1; the end of the rod body 121 away from the handlebar rod 11 is installed on the pedal 2, and the first wheel 3 and the second wheel 4 are both rotatably installed on the pedal 2.

[0061] Specifically, the user stands on the pedal 2 with one foot and slides the other foot on the ground continuously, and the scooter can move continuously on the ground through the first wheel 3 and the second wheel 4. In this embodiment, the scooter is easy to assemble and disassemble.

[0062] In one embodiment, if Figure 7 and Figure 8 As shown, the pedal 2 includes a vertical rod 21, a pedal body 22 and an oblique tube 23 connected between the vertical rod 21 and the pedal body 22; the first wheel 3 is rotatably mounted on the vertical rod 21, and the second wheel 4 is rotatably mounted on the pedal body 22; it can be understood that the vertical rod 21, the pedal body 22 and the oblique tube 23 are an integrally formed part, and the first wheel 3 is rotatably mounted at the bottom of the vertical rod 21.

[0063] The scooter further includes a third fastener 5 and a fastening tube 6, wherein the fastening tube 6 is provided with a first inner hole 61 and a first notch 62 connected to the first inner hole 61, and first fastening arms 63 and second fastening arms 64 are respectively provided on opposite sides of the first notch 62, and the first fastening arm 63 is provided with a fifth fastening hole connected to the first notch 62, and the second fastening arm 64 is provided with a sixth fastening hole connected to the first notch 62; it can be understood that the third fastener 5 includes but is not limited to screws, bolts, etc., the first notch 62 is a long strip-shaped notch, and the first fastening arm 63 and the second fastening arm 64 are located on the left and right sides of the first notch 62.

[0064] The rod body 121 is further provided with a second inner hole (not shown in the figure) and a second notch 1211 communicating with the second inner hole; it can be understood that the second notch 1211 is a long strip-shaped notch.

[0065] The vertical rod 21 is inserted into the second inner hole, the fastening cylinder 6 is sleeved on the rod body 121 through the first inner hole 61, the third fastener 5 is inserted into the fifth fastening hole and the sixth fastening hole, and the fastening cylinder 6 is used to press the rod body 121 onto the vertical rod 21 through the second notch 1211. It can be understood that the fastening cylinder 6 is sleeved on the rod body 121 into which the vertical rod 21 is inserted, that is, the fastening cylinder 6, the rod body 121 and the vertical rod 21 have overlapping parts.

[0066] Specifically, the vertical rod 21 is inserted into the second inner hole at the bottom of the rod body 121, the fastening cylinder 6 is sleeved on the rod body 121, and then the third fastener 5 is inserted into the fifth fastening hole and the sixth fastening hole, and the third fastener 5 shortens the distance between the first fastening arm 63 and the second fastening arm 64, and the fastening cylinder 6 clamps the vertical rod 21 and reduces the width of the second notch 1211, so that the fastening cylinder 6 clamps the rod body 121 on the vertical rod 21. After the third fastener 5 is removed from the fifth fastening hole and the sixth fastening hole, the fastening cylinder 6 can loosen the rod body 121, and the vertical rod 21 can be removed from the second inner hole of the vertical rod 21, thereby completing the disassembly and assembly between the body rod 12 and the pedal 2. In this embodiment, the disassembly and assembly operation of the scooter is simple, which is convenient for carrying the scooter.

[0067] The above are only embodiments of the scooter handlebar structure of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A scooter handlebar structure, characterized in that: It comprises a handlebar, a vehicle body rod, a first fastening block, a first fastening member and a second fastening member, wherein the vehicle body rod comprises an integrally formed rod body and a second fastening block; The first fastening block is provided with a first groove and a first fastening hole and a second fastening hole located on opposite sides of the first groove; the second fastening block is provided with a second groove and a third fastening hole and a fourth fastening hole located on opposite sides of the second groove; The first fastening block is mounted on the second fastening block, the first fastening member is inserted into the first fastening hole and the third fastening hole, the second fastening member is inserted into the second fastening hole and the fourth fastening hole, and the first groove and the second groove are surrounded to form a fixing hole; The handlebar is fixedly installed in the fixing hole.

2. The scooter handlebar structure according to claim 1, characterized in that: The first fastener includes a first head end and a first screw connected to the first head end; the second fastener includes a second head end and a second screw connected to the second head end; The third fastening hole is a first internal threaded hole, and the fourth fastening hole is a second internal threaded hole; The first head end is inserted into the first fastening hole, and an end of the first screw rod away from the first head end passes through the first fastening hole and is threadedly connected with the first internal threaded hole; The second head end is inserted into the second fastening hole, and one end of the second screw rod away from the second head end passes through the second fastening hole and is threadedly connected with the second internal threaded hole.

3. The scooter handlebar structure according to claim 2, characterized in that: The second fastening block includes a connecting pipe and a first connecting block and a second connecting block installed on the connecting pipe, the connecting pipe and the rod body are an integrally formed part, and the second groove is arranged on the connecting pipe; the first internal threaded hole is arranged on the first connecting block, and the second internal threaded hole is arranged on the second connecting block.

4. The scooter handlebar structure according to claim 3, characterized in that: The first connecting block includes a first disc and a first square tube connected to the first disc, and the first internal threaded hole penetrates the first disc and the first square tube; The connecting tube is also provided with a first square hole adapted to the first square tube, the first square tube is inserted in the first square hole with interference fit, and the first disc abuts against the outer wall of the connecting tube.

5. The scooter handlebar structure according to claim 3, characterized in that: The second connecting block includes a second disc and a second square tube connected to the second disc, and the second internal threaded hole penetrates the second disc and the second square tube; The connecting pipe is also provided with a second square hole adapted to the second square pipe, the second square pipe is inserted in the second square hole with interference fit, and the second disc abuts against the outer wall of the connecting pipe.

6. The scooter handlebar structure according to claim 5, characterized in that: The connecting pipe is further provided with a first side groove and a second side groove located at opposite sides of the second groove, the first connecting block is installed in the first side groove, and the second connecting block is installed in the second side groove.

7. The scooter handlebar structure according to claim 1, characterized in that: The handlebar rod comprises a first handlebar, a fastening rod and a second handlebar which are coaxially connected in sequence. The outer diameter of the fastening rod is larger than the outer diameters of the first handlebar and the second handlebar. The fastening rod is fixedly installed in the fixing hole.

8. The scooter handlebar structure according to claim 1, characterized in that: The scooter handlebar structure also includes a first handlebar sleeve and a second handlebar sleeve which are sleeved at opposite ends of the handlebar rod.

9. A scooter, characterized in that: The scooter comprises a pedal, a first wheel, a second wheel and a handlebar structure as claimed in any one of claims 1 to 8; one end of the rod body away from the handlebar is mounted on the pedal, and the first wheel and the second wheel are both rotatably mounted on the pedal.

10. The scooter according to claim 9, characterized in that: The pedal comprises a vertical rod, a pedal body and an oblique tube connected between the vertical rod and the pedal body; the first wheel is rotatably mounted on the vertical rod, and the second wheel is rotatably mounted on the pedal body; The scooter further comprises a third fastener and a fastening cylinder, wherein the fastening cylinder is provided with a first inner hole and a first notch connected to the first inner hole, a first fastening arm and a second fastening arm are respectively provided on opposite sides of the first notch, the first fastening arm is provided with a fifth fastening hole connected to the first notch, and the second fastening arm is provided with a sixth fastening hole connected to the first notch; The rod body is also provided with a second inner hole and a second notch communicating with the second inner hole; The vertical rod is inserted in the second inner hole, the fastening tube is sleeved on the rod body through the first inner hole, the third fastener is inserted in the fifth fastening hole and the sixth fastening hole, and the fastening tube is used to press the rod body onto the vertical rod through the second notch.

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