Back-hung portable bicycle frame for motor home

Abstract

The utility model discloses a recreational vehicle back-hanging portable bicycle frame, which relates to the technical field of bicycle frames and comprises a fixing back plate, a wheel body fixing block is fixedly connected to the center of the front of the fixing back plate, an N-shaped fixing frame is fixedly connected to the upper side of the front of the fixing back plate, and an N-shaped fixing pipe frame is arranged on the lower side of the front of the fixing back plate. First fixing bolts are in threaded connection with the rear portions of the surfaces of the left side and the right side of the N-shaped fixing pipe frame, connecting longitudinal rods are slidably connected with the left side and the right side of the inner wall of the N-shaped fixing pipe frame, the rear ends of the two connecting longitudinal rods are fixedly connected with the front face of a fixing back plate, and lower fixing mechanisms are arranged on the left side and the right side of the top face of the N-shaped fixing pipe frame. The bicycle can be carried through the motor home, the riding requirements of people loving riding are met, the device is simple in structure and convenient and fast to use, and on the premise that it is guaranteed that the bicycle is stably fixed, use of other structures cannot be affected.

Description

Technical Field

[0001] The utility model relates to the technical field of bicycle racks, in particular to a portable bicycle rack hung on the back of a recreational vehicle. Background Art

[0002] A bicycle rack is a frame structure for fixing bicycles, which is used to ensure the effect of carrying bicycles over long distances.

[0003] As people now love cycling, they will carry bicycles when traveling or playing for later riding, especially in RVs with larger space, they will carry bicycles when traveling, and then they need a bicycle rack to carry the bicycles, so there is a need for a portable bicycle rack mounted on the back of an RV. Utility Model Content

[0004] In order to achieve the above-mentioned purpose, the present invention specifically adopts the following technical solutions:

[0005] A portable bicycle rack for hanging on the back of a recreational vehicle comprises a fixed back plate, a wheel fixing block is fixedly connected to the center of the front of the fixed back plate, and an N-shaped fixing frame is fixedly connected to the upper side of the front of the fixed back plate;

[0006] An N-shaped fixed pipe rack is provided on the lower side of the front of the fixed backplate, and first fixing bolts are threadedly connected to the rear of the left and right surfaces of the N-shaped fixed pipe rack. Connecting longitudinal rods are slidably connected to the left and right sides of the inner wall of the N-shaped fixed pipe rack, and the rear ends of the two connecting longitudinal rods are fixedly connected to the front of the fixed backplate. Lower fixing mechanisms are provided on the left and right sides of the top surface of the N-shaped fixed pipe rack, and upper fixing mechanisms are provided on the left and right sides of the surface of the N-shaped fixed pipe rack.

[0007] Furthermore, the lower fixing mechanism includes two placement slot plates fixedly connected to the left and right sides of the top surface of the N-type fixed pipe rack. Two fixing belts are sleeved on the surfaces of the two placement slot plates, and the upper ends of the four fixing belts are provided with a first tightener.

[0008] Furthermore, the upper fixing mechanism includes two fixing clamps sleeved on the surface of the N-shaped fixing frame, and the front and rear sides of the top surfaces of the two fixing clamps are provided with limiting mechanisms;

[0009] The front of the two fixed clamps are fixedly connected to a connecting bent rod, the lower ends of the two connecting bent rods are fixedly connected to a fixed arc block, the lower sides of the front of the two fixed arc blocks are fixedly connected to a limited long belt, the upper sides of the front of the two fixed arc blocks are fixedly connected to a limited short belt, and a second tightener is provided in front of the two limited short belts.

[0010] Furthermore, the limiting mechanism includes a threaded block fixedly connected to one side of the top surface of the fixed clamping ring, and the inner walls of two corresponding threaded blocks are commonly threadedly connected with a second fixing bolt.

[0011] Furthermore, the materials of the plurality of fixing straps, the two long limiting straps and the two short limiting straps are all nylon plastic.

[0012] Furthermore, the surfaces of the fixed back plate, the N-type fixed frame and the N-type fixed pipe rack are all coated with epoxy anti-corrosion paint.

[0013] Technical effects and advantages of this utility model:

[0014] 1. The utility model uses a fixed back plate to fix to the RV, and then uses the first fixing bolt to ensure the adjustable length of the N-type fixed pipe frame, which can ensure better placement of the bicycle. The tightening structure can ensure the self-tightening fixing effect of the belt structure in the device on the bicycle. The second fixing bolt can ensure the movement and rotation effect of the fixed clamp, which is convenient for better fixing of the bicycle. Through the above structure, the device can rely on the RV to carry the bicycle, ensuring the cycling needs of people who love cycling. The device has a simple structure and is easy to use. While ensuring the stability of the bicycle, it will not affect the use of other structures. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall front three-dimensional structure of the utility model.

[0016] Figure 2 For the utility model Figure 1 Schematic diagram of the enlarged structure of part A in the middle.

[0017] Figure 3 For the utility model Figure 1 Schematic diagram of the enlarged structure of part B in the middle.

[0018] Figure 4 This is a schematic diagram of the vertical cross-section of the three-dimensional structure of the N-type fixed pipe rack of the present invention.

[0019] In the figure: 1. Fixed back plate; 2. Wheel body fixing block; 3. N-type fixing frame; 4. N-type fixed pipe rack; 5. First fixing bolt; 6. Connecting longitudinal rod; 7. Placement slot plate; 8. Fixing belt; 9. First tightener; 10. Fixing clamp; 11. Connecting bent rod; 12. Fixed arc block; 13. Limiting long belt; 14. Limiting short belt; 15. Second tightener; 16. Threaded mouth block; 17. Second fixing bolt. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0021] like Figure 1-4 As shown, a portable bicycle rack for hanging on the back of a recreational vehicle comprises a fixed back plate 1, a wheel body fixing block 2 is fixedly connected to the center of the front of the fixed back plate 1, the wheel body fixing block 2 on the fixed back plate 1 can help fix the spare tire to ensure maximum use of the space, the wheel body fixing block 2 can be used to install the frame using the bolts for hanging the spare tire on the back, and they do not affect each other and can both be used normally. When installing the frame, the spare tire can also be installed in combination to efficiently utilize the limited space. An N-shaped fixing bracket 3 is fixedly connected to the upper side of the front of the fixed back plate 1. The installation method of the fixed back plate 1 can be fixed to the corresponding recreational vehicle by 3 bolts. If there is no bolt fixing condition, the fixed back plate 1 can be fixed to the recreational vehicle body with full glue, or the above two methods can be used at the same time to ensure the fixing effect of the fixed back plate 1;

[0022] An N-type fixed pipe rack 4 is provided on the lower side of the front of the fixed back plate 1. The rear of the left and right surfaces of the N-type fixed pipe rack 4 are threadedly connected with a first fixing bolt 5. The first fixing bolt 5 uses the extrusion force to firmly fix the N-type fixed pipe rack 4 and the connecting longitudinal rod 6, and there is no problem of slippage. The left and right sides of the inner wall of the N-type fixed pipe rack 4 are slidably connected with the connecting longitudinal rod 6. The rear ends of the two connecting longitudinal rods 6 are fixedly connected to the front of the fixed back plate 1. The left and right sides of the top surface of the N-type fixed pipe rack 4 are provided with a lower fixing mechanism, and the left and right sides of the surface of the N-type fixed rack 3 are provided with an upper fixing mechanism The lower fixing mechanism includes two placement slot plates 7 fixedly connected to the left and right sides of the top surface of the N-type fixed pipe frame 4. The placement slot plates 7 can increase or decrease the number of fixed vehicles according to actual use needs. Usually, two vehicles can be mounted. The placement slot plates 7 are fixed to the N-type fixed pipe frame 4 with bolts to ensure its convenient disassembly and assembly. The placement slot plates 7 can better support the bicycle through the internal slot structure, which can avoid the problem of unstable support of the bicycle and easy tilting. Two fixing belts 8 are sleeved on the surfaces of the two placement slot plates 7, and the upper ends of the four fixing belts 8 are provided with a first tightener 9;

[0023] The upper fixing mechanism includes two fixing clamps 10 sleeved on the surface of the N-shaped fixing frame 3, and the front and rear sides of the top surfaces of the two fixing clamps 10 are provided with limiting mechanisms;

[0024] The front of the two fixed clasps 10 are fixedly connected to a connecting bent rod 11, the lower ends of the two connecting bent rods 11 are fixedly connected to a fixed arc block 12, the lower sides of the front of the two fixed arc blocks 12 are fixedly connected to a limited long belt 13, the upper sides of the front of the two fixed arc blocks 12 are fixedly connected to a limited short belt 14, and the front of the two limited short belts 14 are provided with a second tightener 15. The structure of the tightener can ensure the belt structure of the bicycle is fixed, the tightening and fixing effect can ensure the stability of the bicycle. The limiting mechanism includes a threaded port block 16 fixedly connected to one side of the top surface of the fixed clasp 10. The inner walls of the two corresponding threaded blocks 16 are commonly threadedly connected with a second fixing bolt 17. The materials of the multiple fixing belts 8, the two limiting long belts 13, and the two limiting short belts 14 are all nylon plastic. The surfaces of the fixed backplate 1, the N-type fixing frame 3, and the N-type fixed pipe rack 4 are all coated with epoxy anti-corrosion paint, and the materials of the fixed backplate 1, the N-type fixing frame 3, the N-type fixed pipe rack 4, and the connecting bent rod 11 are all aluminum alloy, which can ensure the lightness of the entire device. The other fixed components of the device are all nylon plastic, which can reduce the overall weight while maintaining high strength, thereby ensuring the use effect of the device.

[0025] The working principle of the utility model is as follows: when the device is used, the fixed back plate 1 can ensure the fixing effect of the structure of the bicycle and the RV, and the fixed back plate 1 can be welded or fixed to the RV by screws;

[0026] The first fixing bolt 5 ensures that the length of the N-shaped fixed pipe frame 4 can be adjusted, thereby ensuring sufficient space for placing the bicycle. The tightening structure ensures that the belt structure in the device can self-tighten the bicycle, thus preventing the bicycle from loosening and falling, thereby ensuring the safety of the device.

[0027] The second fixing bolt 17 can ensure the movement and rotation effect of the fixing ring 10, which is convenient for better fixing the bicycle. Through the upper and lower fixing, the entire bicycle can be stably fixed.

[0028] The present invention highlights innovative structures and does not elaborate on existing mature technologies and structures.

[0029] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A portable bicycle rack for a recreational vehicle, comprising a fixed back plate (1), characterized in that: A wheel body fixing block (2) is fixedly connected to the center of the front of the fixed back plate (1), and an N-shaped fixing frame (3) is fixedly connected to the upper side of the front of the fixed back plate (1); An N-type fixed pipe rack (4) is provided on the lower side of the front of the fixed back plate (1), and first fixing bolts (5) are threadedly connected to the rear of the left and right surfaces of the N-type fixed pipe rack (4), and connecting longitudinal rods (6) are slidably connected to the left and right sides of the inner wall of the N-type fixed pipe rack (4), and the rear ends of the two connecting longitudinal rods (6) are fixedly connected to the front of the fixed back plate (1), and lower fixing mechanisms are provided on the left and right sides of the top surface of the N-type fixed pipe rack (4), and upper fixing mechanisms are provided on the left and right sides of the surface of the N-type fixed rack (3).

2. The portable bicycle rack for RVs according to claim 1, characterized in that: The lower fixing mechanism comprises two placement slot plates (7) fixedly connected to the left and right sides of the top surface of the N-shaped fixed pipe rack (4); two fixing belts (8) are sleeved on the surfaces of the two placement slot plates (7); and the upper ends of the four fixing belts (8) are each provided with a first tightener (9).

3. The portable bicycle rack for RVs according to claim 2, characterized in that: The upper fixing mechanism comprises two fixing clamps (10) sleeved on the surface of the N-shaped fixing frame (3), and the front and rear sides of the top surfaces of the two fixing clamps (10) are both provided with limiting mechanisms; The front of the two fixed clamps (10) is fixedly connected to a connecting bent rod (11), the lower ends of the two connecting bent rods (11) are fixedly connected to a fixed arc block (12), the lower sides of the front of the two fixed arc blocks (12) are fixedly connected to a limited long belt (13), the upper sides of the front of the two fixed arc blocks (12) are fixedly connected to a limited short belt (14), and the front of the two limited short belts (14) are provided with a second tightener (15).

4. The portable bicycle rack for RVs according to claim 3, characterized in that: The limiting mechanism comprises a threaded block (16) fixedly connected to one side of the top surface of the fixed clamping ring (10), and the inner walls of two corresponding threaded blocks (16) are commonly threadedly connected with a second fixing bolt (17).

5. The portable bicycle rack for RVs according to claim 3, characterized in that: The materials of the plurality of fixing belts (8), the two long limiting belts (13), and the two short limiting belts (14) are all nylon plastic.

6. The portable bicycle rack for RVs according to claim 1, characterized in that: The surfaces of the fixed back plate (1), the N-type fixed frame (3) and the N-type fixed pipe frame (4) are all coated with epoxy anti-corrosion paint.

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