Battery car balancer

Abstract

The utility model discloses a balancer for a battery car, which belongs to the field of balancers and comprises a transverse frame, telescopic mechanisms are arranged at two ends of the transverse frame, and each telescopic mechanism comprises a telescopic rod and a support rod. According to the electric bicycle balancer, the electric bicycle balancer can be installed and fixed on a pedal part of a two-wheeled electric bicycle according to the sizes of different two-wheeled electric bicycles through the arranged telescopic mechanism, and the electric bicycle balancer is matched with an upper side supporting mechanism for use, and auxiliary wheels are additionally arranged on the two sides of the pedal part of the two-wheeled electric bicycle; the two-wheeled battery car can be further supported in an auxiliary mode, the anti-skid and anti-toppling effect can be achieved when the two-wheeled battery car is ridden, the damping effect can also be achieved when the two-wheeled battery car is ridden, and therefore the purpose that the balance stability of the two-wheeled battery car is improved when the two-wheeled battery car is ridden is achieved. The problem that the two-wheeled battery car slips and topples during riding in rainy and snowy days is solved, the safety of a rider and a carrier is guaranteed, and the situation that the rider topples and the carrier is injured is avoided.

Description

Technical Field

[0001] The utility model relates to the field of balancers, in particular to a balancer for a battery vehicle. Background Art

[0002] Battery vehicles, also known as "electric vehicles", are wheeled vehicles that are powered by electricity or photovoltaic power. Battery vehicles are mainly divided into two categories: two-wheeled electric vehicles and three-wheeled electric vehicles. Two-wheeled electric vehicles include electric bicycles, electric motorcycles, electric unicycles, electric scooters, electric power-assisted vehicles, and electric scooters, while three-wheeled electric vehicles are mainly used to carry passengers or cargo.

[0003] In the prior art, during actual use of two-wheeled electric vehicles, due to the lack of a balancer device on the electric vehicle, and when the electric vehicle is used in rainy or snowy weather, the ground becomes slippery due to the influence of rain or snow, making it difficult for the two-wheeled electric vehicle to maintain the balance of the entire electric vehicle through the two wheels when riding, resulting in the problem of slipping and tipping over when riding the electric vehicle, causing injuries to people, thereby easily causing safety hazards for users when riding a two-wheeled electric vehicle. Summary of the invention

[0004] The main purpose of the utility model is to provide a battery vehicle balancer, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] The battery vehicle balancer comprises a transverse frame, and telescopic mechanisms are provided at both ends of the transverse frame, and the telescopic mechanisms include a telescopic rod and a support rod, and the telescopic rods are movably connected in both ends of the transverse frame, and the support rod and the telescopic rod are movably connected through a hinge and fixedly connected together through a lock, and a side support mechanism is also provided on the right side of the support rod, and the side support mechanism includes a T-shaped sleeve, a transverse opening, an externally threaded cylinder, an L-shaped buffer rod, a movable rod, a buffer spring, a mounting nut, a threaded short rod, a wheel, a bearing and an L-shaped clamping strip, the T-shaped sleeve is sleeved on the outside of the support rod, and the side rod is fixedly connected to the right side of the T-shaped sleeve, The L-shaped buffer rod is movably connected to the support rod by a pin bolt, and the movable rod is fixedly connected to the top surface of the L-shaped buffer rod, the external threaded tube is movably connected to the inside of the side rod by baffles at the upper and lower ends, and the buffer spring is sleeved on the outside of the movable rod and fixedly connected between the L-shaped buffer rod and the baffle, the mounting nut is fixedly connected to the right side wall of the L-shaped buffer rod, and the threaded short rod is fixedly connected to the mounting nut, the bearing is fixedly connected to the threaded short rod through the connecting nut on the left, and the wheel is movably connected to the bearing through the inner rotating shaft, and the L-shaped clip is fixedly connected to the inner wall of the T-shaped sleeve by mounting bolts.

[0007] Preferably, a group of left-right symmetrical nut seats are fixedly installed on the top surface of the transverse frame, and the threaded holes of the nut seats are connected to the transverse frame, the internal threads of the nut seats are connected to the fastening bolts, the telescopic rod is inserted and installed in the transverse frame, and the support rod and the telescopic rod are movably installed together through the hinge on the rear end wall, the support rod and the telescopic rod are also fixedly connected together by the lock buckle on the front end wall, and a fixing hole is opened below the front end wall of the support rod.

[0008] Preferably, the vertical part of the T-shaped sleeve is sleeved on the outside of the support rod, and a group of left-right symmetrical nut seats are also fixedly installed on the front end wall of the T-shaped sleeve, the threaded holes of the nut seats are connected to the T-shaped sleeve, and the internal threads of the nut seats are connected to the external threaded tube, and a screw hole is also opened on the left side wall of the horizontal part of the T-shaped sleeve.

[0009] Preferably, the side rod is inserted and installed in the transverse part of the T-shaped sleeve, and a transverse opening is opened on the top surface of the side rod, the external threaded tube is movably installed in the transverse opening, and baffles are fixedly installed on the upper and lower outer walls of the external threaded tube respectively, and the top end of the external threaded tube is also threadedly connected with a limiting nut.

[0010] Preferably, a connecting hole is provided on the vertical front end wall of the L-shaped buffer rod, and a pin bolt is inserted into the connecting hole and passes through the fixing hole. A fixing nut is also threadedly connected to the outside of the rear end of the pin bolt. The movable rod is fixedly installed on the top surface of the L-shaped buffer rod, and the movable rod is movably installed in the external threaded tube. The buffer spring is sleeved on the outside of the movable rod and fixedly installed on the top surface of the L-shaped buffer rod and the bottom surface of the lower end baffle. The mounting nut is fixedly installed on the outer side wall of the L-shaped buffer rod, and the threaded short rod is threadedly connected to the mounting nut. The connecting nut is fixedly installed on the inner end of the bearing, and the connecting nut is threadedly connected with the threaded short rod. A rotating shaft is fixedly installed on the inner side wall of the wheel, and the rotating shaft and the bearing are interlaced and fixedly installed together.

[0011] Preferably, a side hole is opened on the side wall of the vertical part of the L-shaped clip, and the mounting bolt passes through the side hole and is threadedly connected with the screw hole, and a plurality of mounting holes are opened on the top surface of the horizontal part of the L-shaped clip.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The utility model provides a telescopic mechanism for installing and fixing the electric vehicle balancer on the foot pedal of the two-wheeled electric vehicle according to the size of the two-wheeled electric vehicle, and cooperates with the use of the upper side support mechanism, and by adding auxiliary wheels on both sides of the foot pedal of the two-wheeled electric vehicle, the two-wheeled electric vehicle can be further supported by the balancer, which can not only prevent the two-wheeled electric vehicle from slipping and tipping when riding, but also reduce shock when driving, thereby achieving the purpose of improving the balance stability of the two-wheeled electric vehicle when riding, avoiding the problem of slipping and tipping of the two-wheeled electric vehicle when riding in rainy and snowy weather, and thus ensuring the safety of the rider and the passengers, so as to avoid the situation that the vehicle tips over and injures the passengers. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the structural disassembly of the telescopic mechanism of the utility model;

[0016] Figure 3 For the utility model Figure 2 A rear view schematic diagram of the structure at A;

[0017] Figure 4 It is a schematic diagram of the structural disassembly of the side support mechanism of the utility model.

[0018] In the figure: 1. horizontal frame; 2. telescopic mechanism; 3. side support mechanism; 4. nut seat; 5. fastening bolt; 6. telescopic rod; 7. support rod; 8. hinge; 9. lock buckle; 10. fixing hole; 11. T-type sleeve; 12. screw hole; 13. side rod; 14. horizontal opening; 15. external threaded cylinder; 16. baffle; 17. limit nut; 18. L-type buffer rod; 19. connecting hole; 20. pin bolt; 21. fixing nut; 22. movable rod; 23. buffer spring; 24. mounting nut; 25. threaded short rod; 26. wheel; 27. rotating shaft; 28. bearing; 29. ​​connecting nut; 30. L-type clamping strip; 31. side hole; 32. mounting hole; 33. mounting bolt. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] like Figure 1 - Figure 4As shown, the battery vehicle balancer includes a transverse frame 1, and telescopic mechanisms 2 are provided at both ends of the transverse frame 1, and the telescopic mechanism 2 includes a telescopic rod 6 and a support rod 7. The telescopic rods 6 are movably connected in both ends of the transverse frame 1, and the support rod 7 is movably connected to the telescopic rod 6 through a hinge 8 and fixedly connected together through a lock 9. A side support mechanism 3 is also provided on the right side of the support rod 7, and the side support mechanism 3 includes a T-shaped sleeve 11, a transverse opening 14, an externally threaded cylinder 15, an L-shaped buffer rod 18, an active rod 22, a buffer spring 23, a mounting nut 24, a threaded short rod 25, a wheel 26, a bearing 28 and an L-shaped clip 30. The T-shaped sleeve 11 is sleeved on the outside of the support rod 7, and the side rod 13 is fixedly connected to the right side of the T-shaped sleeve 11. The buffer rod 18 is movably connected to the support rod 7 through a pin bolt 20, and the movable rod 22 is fixedly connected to the top surface of the L-shaped buffer rod 18, the external threaded tube 15 is movably connected to the inside of the side rod 13 through the baffles 16 at the upper and lower ends, and the buffer spring 23 is sleeved on the outside of the movable rod 22 and fixedly connected between the L-shaped buffer rod 18 and the baffle 16, the mounting nut 24 is fixedly connected to the right side wall of the L-shaped buffer rod 18, and the threaded short rod 25 is fixedly connected to the mounting nut 24, the bearing 28 is fixedly connected to the threaded short rod 25 through the connecting nut 29 on the left, and the wheel 26 is movably connected to the bearing 28 through the inner rotating shaft 27, and the L-shaped clip 30 is fixedly connected to the inner wall of the T-shaped sleeve 11 through the mounting bolt 33.

[0021] like Figure 2 and Figure 3 As shown, a group of symmetrical nut seats 4 are fixedly installed on the top surface of the transverse frame 1, and the threaded holes of the nut seats 4 are connected to the transverse frame 1, the internal threads of the nut seats 4 are connected to the fastening bolts 5, the telescopic rod 6 is inserted and installed in the transverse frame 1, and the support rod 7 and the telescopic rod 6 are movably installed together through the hinge 8 on the rear end wall, the support rod 7 and the telescopic rod 6 are also fixedly connected together through the lock buckle 9 on the front end wall, and a fixing hole 10 is opened at the lower part of the front end wall of the support rod 7. After the transverse frame 1 is placed on the pedal part of the two-wheeled battery vehicle, the telescopic rod 6 is pushed in the relative direction so that the telescopic rod 6 is close to the two sides of the battery vehicle, and the fastening bolts 5 on the nut seats 4 are rotated to fix the telescopic rod 6 by pressing the fastening bolts 5 on the top surface of the telescopic rod 6 to prevent the telescopic rod 6 from moving. The support rod 7 can be turned over at the outer end of the telescopic rod 6 through the hinge 8, and the side support mechanism 3 can be folded and carried when not in use. When in use, the support rod 7 can be turned over and fixed to the outer end of the telescopic rod 6 through the lock buckle 9.

[0022] like Figure 4As shown, the vertical part of the T-shaped sleeve 11 is sleeved on the outside of the support rod 7, and a group of symmetrical nut seats 4 are also fixedly installed on the front end wall of the T-shaped sleeve 11, the threaded holes of the nut seats 4 are connected to the T-shaped sleeve 11, and the internal threads of the nut seats 4 are connected to the external threaded tube 15, and the left wall of the horizontal part of the T-shaped sleeve 11 is also provided with a screw hole 12, wherein the T-shaped sleeve 11 can be fixed on the support rod 7 by the fastening bolts 5 after the T-shaped sleeve 11 is sleeved on the support rod 7, and the side rod 13 can also be fixed to the outside of the T-shaped sleeve 11 by the fastening bolts 5;

[0023] like Figure 4 As shown, the side rod 13 is inserted and installed in the transverse part of the T-shaped sleeve 11, and a transverse opening 14 is opened on the top surface of the side rod 13, and the external threaded tube 15 is movably installed in the transverse opening 14, and the upper and lower outer walls of the external threaded tube 15 are respectively fixedly installed with baffles 16, and the top of the external threaded tube 15 is also threadedly connected with a limiting nut 17, wherein the external threaded tube 15 can be limited by the baffles 16 at the upper and lower ends after the external threaded tube 15 is movably installed in the transverse opening 14, and the limiting nut 17 can further prevent the external threaded tube 15 from falling off from the transverse opening 14;

[0024] like Figure 4 As shown, a connecting hole 19 is opened on the vertical front end wall of the L-shaped buffer rod 18, and a pin bolt 20 is inserted and installed in the connecting hole 19 and passes through the fixing hole 10. A fixing nut 21 is also threadedly connected to the rear end of the pin bolt 20. A movable rod 22 is fixedly installed on the top surface of the L-shaped buffer rod 18, and the movable rod 22 is movably installed in the external threaded tube 15. The buffer spring 23 is sleeved on the outside of the movable rod 22 and fixedly installed on the top surface of the L-shaped buffer rod 18 and the bottom surface of the lower end baffle 16. The mounting nut 24 is fixedly installed on the outer side wall of the L-shaped buffer rod 18, and the threaded short rod 25 is threadedly connected to the mounting nut 24. The connecting nut 29 is fixedly installed on the inner end of the bearing 28. The connecting nut 29 is threadedly connected with the threaded short rod 25, and a rotating shaft 27 is fixedly installed on the inner side wall of the wheel 26, and the rotating shaft 27 and the bearing 28 are interlaced and fixedly installed together. The L-shaped buffer rod 18 is movably installed on the support rod 7 through the pin bolt 20, and after the wheel 26 is installed on the L-shaped buffer rod 18 through the connecting nut 29, the wheel 26 can play a role of side support on both sides of the battery vehicle to improve the balance stability of the battery vehicle when driving, and when the wheel 26 moves and is impacted by the bottom, the L-shaped buffer rod 18 flips upward to force the buffer spring 23 to retract when the movable rod 22 passes through the external threaded tube 15, so as to play a role of buffering and shock absorption;

[0025] like Figure 4As shown, a side hole 31 is opened on the side wall of the vertical part of the L-shaped clip 30, and the mounting bolt 33 passes through the side hole 31 and is threadedly connected with the screw hole 12. A plurality of mounting holes 32 are opened on the top surface of the horizontal part of the L-shaped clip 30. After the L-shaped clip 30 is installed on the T-shaped sleeve 11 by the mounting bolts 33, after the adjustment of the telescopic mechanism 2, and when two groups of mounting holes 32 on the upper and lower L-shaped clips 30 are aligned with each other, the L-shaped clip 30 can be fixed to the bottom of the battery vehicle by bolts, so as to further fix the entire device on the battery vehicle.

[0026] It should be noted that the utility model is a battery vehicle balancer. The T-shaped sleeve 11 is mounted on the support rod 7, and the fastening bolt 5 on the nut seat 4 is rotated so that the fastening bolt 5 passes through the nut seat 4 and is pressed against the support rod 7 to fix the T-shaped sleeve 11 on the support rod 7. In a relative manner, the side rod 13 is inserted into the vertical part outside the T-shaped sleeve 11, and the side rod 13 is fixed by rotating the fastening bolt 5. When the support rod 7 is placed in the L-shaped buffer rod 18, the fixing hole 10 opened on the support rod 7 is aligned with the connecting hole 19 opened on the L-shaped buffer rod 18, and the pin bolt 20 is inserted into the connecting hole 19 and passes through the fixing hole 10, and the fixing nut 21 is screwed into and installed on the pin bolt 20, so that the L-shaped buffer rod 18 can pass through the connecting hole 19 rotates along the pin bolt 20, and in the process, the movable rod 22 on the top surface of the L-shaped buffer rod 18 passes through the external threaded tube 15 installed in the horizontal opening 14 on the top surface of the machine side rod 13, and then the limiting nut 17 is screwed into the upper end of the external threaded tube 15 to limit the external threaded tube 15. At the same time, the buffer spring 23 set on the movable rod 22 is fixed to the top surface of the L-shaped buffer rod 18 and the bottom surface of the baffle 16 at the lower end of the external threaded tube 15. Subsequently, the connecting nut 29 is screwed into the threaded short rod 25 threadedly connected to the mounting nut 24 on the outer side of the L-shaped buffer rod 18, so as to install the wheel 26 on the L-shaped buffer rod 18, and then, the mounting bolt 33 is passed through the side hole 31 and threadedly connected to the screw hole 12, so that the L-shaped clip 30 can be fixed on the T-shaped When the battery vehicle balancer is needed, the transverse frame 1 is placed on the top surface of the pedal of the two-wheeled battery vehicle, and the two telescopic rods 6 are inserted into the two ends of the transverse frame 1. When the telescopic rods 6 are tightly attached to the two sides of the battery vehicle and cannot be moved, the fastening bolts 5 on the nut seats 4 on the top surface of the transverse frame 1 are rotated in sequence, and the fastening bolts 5 will be pressed against the top surface of the telescopic rods 6 and the telescopic rods 6 are limited and fixed. After the adjustment of the telescopic mechanism 2 is completed, the support rods 7 are flipped through the hinges 8 so that the support rods 7 are in the same horizontal position as the outer ends of the telescopic rods 6, and then the support rods 7 are fixed to the outer ends of the telescopic rods 6 through the lock buckles 9. In this way, the wheels 26 and the wheels of the battery vehicle are in the same horizontal position. At the same time, the L-shaped clips on the inner side walls of the support rods 7 on both sides are After the support rod 7 is flipped, the strip 30 will be placed on the bottom part of the battery vehicle foot pedal, and the two L-shaped clip strips 30 are symmetrical up and down. After finding the mounting holes 32 that are symmetrical up and down on the symmetrical L-shaped clip strips 30, the bolts are passed through the mounting holes 32 to connect them to the bottom of the battery vehicle foot pedal. In this way, the balancer device can be further installed and fixed on the battery vehicle for use. If the mounting holes 32 on the two L-shaped clip strips 30 are not symmetrical up and down, the bolts can also be passed through the outermost mounting holes 32 on the L-shaped clip strips 30 and then the L-shaped clip strips 30 can be fixed to the bottom surface of the battery vehicle foot pedal by bolts. Since wheels 26 are respectively installed on both sides of the foot pedal of the two-wheeled battery vehicle after installation, it can play a role of auxiliary support on the side parts of the battery vehicle on both sides.When the battery vehicle is running, the rotating shaft 27 on the inner side of the wheel 26 will rotate inside the bearing 28, so that the wheel 26 rolls as the battery vehicle moves, so as to further improve the balance stability of the battery vehicle when running, avoid the problem of two-wheeled battery vehicles slipping and tipping when riding in rainy and snowy weather, and ensure the safety of riders and passengers, so as to avoid injuries caused by vehicle tipping. At the same time, when the wheel 26 shakes and vibrates when encountering a pothole road, as the wheel 26 rolls, the L-shaped buffer rod 18 will pass through the connecting hole 19 along the pin bolt 20 to produce a slight upward or downward flip operation, and in the process drive the movable rod 22 to pass through the external threaded tube 15, and force the buffer spring 23 on the outside of the movable rod 22 to retract, so as to further buffer the vibration force generated during driving, so as to improve the comfort of the battery vehicle when using it.

[0027] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, various improvements may be made to the present invention and its components may be replaced by equivalents, or some of its technical features may be replaced by equivalents without departing from the scope of the present invention. All that is within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A battery vehicle balancer, comprising a transverse frame (1), characterized in that: The two ends of the transverse frame (1) are provided with telescopic mechanisms (2), and the telescopic mechanisms (2) include telescopic rods (6) and support rods (7). The two ends of the transverse frame (1) are respectively movably connected with telescopic rods (6), and the support rods (7) and the telescopic rods (6) are movably connected via hinges (8) and fixedly connected via lock buckles (9). A side support mechanism (3) is also provided on the right side of the support rod (7), and the side support mechanism (3) includes a T-shaped sleeve (11), a transverse opening (14), an externally threaded cylinder (15), an L-shaped buffer rod (18), a movable rod (22), a buffer spring (23), a mounting nut (24), a threaded short rod (25), a wheel (26), a bearing (28) and an L-shaped clamping strip (30). The T-shaped sleeve (11) is sleeved on the outside of the support rod (7), and the side rod (13) is fixedly connected to the right side of the T-shaped sleeve (11). The L-shaped buffer rod (18) is movably connected to the support rod (7) through a pin bolt (20), and the movable rod (22) is fixedly connected to the top surface of the L-shaped buffer rod (18), the external threaded tube (15) is movably connected to the inside of the side rod (13) through the baffles (16) at the upper and lower ends, and the buffer spring (23) is sleeved on the outside of the movable rod (22) and fixedly connected between the L-shaped buffer rod (18) and the baffle (16), the mounting nut (24) is fixedly connected to the right side wall of the L-shaped buffer rod (18), and the threaded short rod (25) is fixedly connected to the mounting nut (24), the bearing (28) is fixedly connected to the threaded short rod (25) through the left connecting nut (29), and the wheel (26) is movably connected to the bearing (28) through the inner rotating shaft (27), and the L-shaped clamping strip (30) is fixedly connected to the inner side wall of the T-shaped sleeve (11) through the mounting bolt (33).

2. The battery vehicle balancer according to claim 1, characterized in that: A group of symmetrical nut seats (4) are fixedly mounted on the top surface of the transverse frame (1), and the threaded holes of the nut seats (4) are connected to the transverse frame (1). The internal threads of the nut seats (4) are connected to the fastening bolts (5). The telescopic rod (6) is inserted and installed in the transverse frame (1), and the support rod (7) and the telescopic rod (6) are movably mounted together through a hinge (8) on the rear end wall. The support rod (7) and the telescopic rod (6) are also fixedly connected together through a lock buckle (9) on the front end wall, and a fixing hole (10) is opened below the front end wall of the support rod (7).

3. The battery vehicle balancer according to claim 2, characterized in that: The vertical portion of the T-shaped sleeve (11) is sleeved on the outside of the support rod (7), and a group of symmetrical nut seats (4) are fixedly mounted on the front end wall of the T-shaped sleeve (11), the threaded holes of the nut seats (4) are connected to the T-shaped sleeve (11), and the internal threads of the nut seats (4) are connected to the external threaded tube (15), and the left side wall of the horizontal portion of the T-shaped sleeve (11) is also provided with a screw hole (12).

4. The battery vehicle balancer according to claim 3, characterized in that: The side rod (13) is inserted and installed in the transverse part of the T-shaped sleeve (11), and a transverse opening (14) is opened on the top surface of the side rod (13). The external threaded tube (15) is movably installed in the transverse opening (14), and baffles (16) are fixedly installed on the outer walls of the upper and lower ends of the external threaded tube (15), respectively. The top end of the external threaded tube (15) is also threadedly connected to a limit nut (17).

5. The battery vehicle balancer according to claim 4, characterized in that: A connecting hole (19) is provided on the vertical front end wall of the L-shaped buffer rod (18), and a pin bolt (20) is inserted into the connecting hole (19) and passes through the fixing hole (10). A fixing nut (21) is threadedly connected to the rear end of the pin bolt (20). The movable rod (22) is fixedly mounted on the top surface of the L-shaped buffer rod (18), and the movable rod (22) is movably mounted in the external threaded tube (15). The buffer spring (23) is sleeved on the outside of the movable rod (22) and fixedly mounted on the L-shaped buffer. The top surface of the rod (18) and the bottom surface of the lower end baffle (16), the mounting nut (24) is fixedly mounted on the outer side wall of the L-shaped buffer rod (18), and the threaded short rod (25) is threadedly connected to the mounting nut (24), the connecting nut (29) is fixedly mounted on the inner side end of the bearing (28), and the connecting nut (29) is threadedly connected to the threaded short rod (25), and a rotating shaft (27) is fixedly mounted on the inner side wall of the wheel (26), and the rotating shaft (27) and the bearing (28) are interlaced and fixedly mounted together.

6. The battery vehicle balancer according to claim 5, characterized in that: A side hole (31) is provided on the side wall of the vertical portion of the L-shaped clip strip (30), and a mounting bolt (33) passes through the side hole (31) and is threadedly connected to the screw hole (12), and a plurality of mounting holes (32) are provided on the top surface of the horizontal portion of the L-shaped clip strip (30).

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