Lightweight bicycle goods shelf

Abstract

The utility model discloses a lightweight bicycle goods shelf, which belongs to the technical field of bicycle goods shelves, is used for goods loading, and comprises a bottom plate, the top of the bottom plate is fixedly connected with a U-shaped plate, the U-shaped plate is internally provided with a telescopic groove, the telescopic groove is internally provided with two expansion plates, and the expansion plates are arranged in the telescopic groove. Hollow-out grooves are formed in the two expansion plates, expansion linkage grooves are formed in the bottoms of the inner walls of the hollow-out grooves, the number of the expansion linkage grooves is two, expansion lead screws are movably connected to the inner walls of the telescopic grooves, and expansion rotary knobs are fixedly connected to one ends of the expansion lead screws. The outer wall of the expansion lead screw is in threaded connection with two first moving plates, the bottoms of the two first moving plates are fixedly connected with linkage plates, and the number of the linkage plates is two. The goods shelf can load more goods, and the capacity of the whole goods shelf is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of bicycle rack, and particularly relates to a light-weight bicycle rack. BACKGROUND

[0002] The bicycle rack is a bearing device installed on the bicycle frame and used for fixing and transporting articles (such as luggage, backpacks, goods, etc.). It is an important accessory of long-distance cycling, travel, commuting or freight bicycles, and can expand the carrying capacity of the bicycle. The bicycle rack is usually fixed above the rear wheel of the bicycle and connected to the rear triangle or seat tube of the frame.

[0003] The existing bicycle rack is usually fixed on the rear seat of the bicycle, and the size of the rack itself is usually fixed. The carrying capacity is small, and it is difficult to expand the volume, so that the carrying capacity of the rack is limited, and the applicability is low. SUMMARY

[0004] The purpose of the present application is to improve the carrying capacity of the rack and improve the internal capacity.

[0005] To achieve the above purpose, the technical scheme adopted by the present application is as follows: a bottom plate is provided, the top of the bottom plate is fixedly connected with a U-shaped plate, the inside of the U-shaped plate is provided with an expansion slot, the inside of the expansion slot is provided with an expansion plate, the number of the expansion plates is two, the inside of each of the two expansion plates is provided with a hollow slot, the inner wall bottom of the hollow slot is provided with an expansion linkage slot, the number of the expansion linkage slots is two, the inner wall of the expansion slot is movably connected with an expansion lead screw, one end of the expansion lead screw is fixedly connected with an expansion knob, the outer wall of the expansion lead screw is threadedly connected with a first moving plate, the number of the first moving plates is two, the bottom of each of the two first moving plates is fixedly connected with a linkage plate, and the number of the linkage plates is two.

[0006] As a preferred, the two expansion plates are both in U-shaped, the end of each of the two first moving plates extends to the inside of the hollow slot, the linkage plate is located in the inside of the expansion linkage slot, and the expansion knob is located in the inside of the side wall of the U-shaped plate.

[0007] As another preferred, the inner wall of the bottom plate is movably connected with a positioning lead screw, one end of the positioning lead screw is fixedly connected with a positioning knob, the outer wall of the positioning lead screw is threadedly connected with a second moving plate, the number of the second moving plates is two, the inside of each of the two second moving plates is provided with a positioning linkage slot, the number of the positioning linkage slots is two, the inside of the bottom plate is provided with a connecting plate, the number of the connecting plates is two, the top of each of the two connecting plates is fixedly connected with a linkage column, the bottom of each of the two connecting plates is fixedly connected with a limiting block, the number of the limiting blocks is two, and the bottom of each of the two limiting blocks on the same side is fixedly connected with a positioning plate.

[0008] Further preferably, the positioning knob is located inside the sidewall of the bottom plate, both the second moving plates are located at the upper end of the two connecting plates, and the linkage column is located inside the positioning linkage groove.

[0009] Further preferably, the bottom of the bottom plate is provided with a limiting groove, and the number of limiting grooves is multiple, and the limiting block is located inside the limiting groove.

[0010] Further preferably, the inner wall of the bottom plate is provided with a guide groove, and the number of guide grooves is two, the outer wall of both the second moving plates is fixedly connected with a guide plate, and the number of guide plates is two, and the guide plate is located inside the guide groove.

[0011] Further preferably, the bottom of the bottom plate is fixedly connected with a support, and the bottom of the support is provided with a fixing hole.

[0012] Further preferably, the support is inverted triangular, the bottom of the bottom plate is provided with a rear seat, the inner edges of the two positioning plates are fitted with the rear seat, the opposite surfaces of the two positioning plates are arc-shaped, and the bottom plate, the U-shaped plate and the support are made of aluminum alloy.

[0013] Compared with the prior art, the application has the following advantages:

[0014] (1) When loading more goods, rotating the expansion knob drives the expansion lead screw to rotate synchronously, so that the two first moving plates move away from each other, and the two first moving plates move along the hollow grooves provided inside the two U-shaped plates, and at the same time, the two expansion linkage grooves are provided at the bottom of the inner wall of the hollow groove, so that the linkage plates connected at the bottom of the two first moving plates move along the inside of the expansion linkage groove during the movement away from each other, and finally the two expansion plates are expanded outward, so that the volume inside the U-shaped plate and the two expansion plates is increased, and more goods can be loaded, and the capacity of the whole shelf is improved.

[0015] (2) When installing the whole shelf, first, the fixing holes provided at the bottom of the two fixing holes are fixed on the axle of the rear wheel respectively, then the positioning knob is rotated to drive the positioning lead screw to rotate synchronously, so that the two second moving plates move relative to each other, the linkage column connected at the top of the two connecting plates is located in the positioning linkage groove provided inside the second moving plate, so that when the two second moving plates move relative to each other, the two connecting plates and the limiting block and the positioning plate move away from each other, and finally one side of the arc-shaped surface of the two positioning plates is tightly attached to the inner wall of the rear seat, so that the bottom plate is fixed on the rear seat, the fixing is fast and the operation is simple. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a first perspective view of the whole structure of the light-weight bicycle shelf;

[0017] Figure 2 The second perspective view of the overall structure of the lightweight bicycle rack;

[0018] Figure 3 The schematic view of the connection state of the expansion plate and the first moving plate of the lightweight bicycle rack;

[0019] Figure 4 The schematic view of the bottom structure of the bottom plate of the lightweight bicycle rack;

[0020] Figure 5 The schematic view of the internal structure of the lightweight bicycle rack.

[0021] Figure 6 The schematic view of the U-shaped plate structure of the lightweight bicycle rack;

[0022] Figure 7 The schematic view of the second moving plate and the connecting plate structure of the lightweight bicycle rack.

[0023] In the figure: 1, bottom plate; 2, U-shaped plate; 3, expansion slot; 4, expansion plate; 5, hollow slot; 6, expansion linkage slot; 7, expansion lead screw; 8, expansion knob; 9, first moving plate; 10, linkage plate; 11, positioning lead screw; 12, positioning knob; 13, second moving plate; 14, positioning linkage slot; 15, connecting plate; 16, linkage column; 17, limiting block; 18, positioning plate; 19, limiting slot; 20, guide slot; 21, guide plate; 22, bracket; 23, fixing hole; 24, rear seat. DETAILED DESCRIPTION

[0024] In the following, the present application will be further described in conjunction with specific embodiments. It should be noted that the embodiments described below or technical features between the embodiments can be combined in any manner to form new embodiments, without conflict.

[0025] In the description of the present application, it should be noted that for orientation words, such as the terms “center”, “transverse”, “longitudinal”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, etc. The orientation and positional relationship shown in the drawing is based on the orientation or positional relationship shown in the drawing, and is only for the convenience of describing the present application and simplifying the description, and cannot be understood as limiting the specific protection scope of the present application. The device or element indicated must have a specific orientation, be constructed and operated in a specific orientation.

[0026] It should be noted that the terms “first”, “second” and the like in the specification and claims of the present application are used to distinguish similar objects, and do not necessarily have to describe a specific order or sequence.

[0027] The terms “comprising” and “having”, and any variations thereof, in the specification and claims of this application are intended to cover non-exclusive inclusion, for example, a process, method, system, product, or device that includes a series of steps or units is not necessarily limited to those steps or units that are explicitly listed, but may include other steps or units that are not explicitly listed or that are inherent to such process, method, product, or device.

[0028] like Figures 1-7 The lightweight bicycle rack shown includes a base plate 1. A U-shaped plate 2 is fixedly connected to the top of the base plate 1. The U-shaped plate 2 has a telescopic groove 3 inside, and two extension plates 4 are installed inside the telescopic groove 3. Both extension plates 4 are U-shaped, and each extension plate 4 has a hollow groove 5 inside. An extension linkage groove 6 is formed at the bottom of the inner wall of the hollow groove 5, and there are two extension linkage grooves 6. An extension screw 7 is movably connected to the inner wall of the telescopic groove 3. An extension knob 8 is fixedly connected to one end of the extension screw 7, located inside the side wall of the U-shaped plate 2. Two first movable plates 9 are threadedly connected to the outer wall of the extension screw 7, and the ends of both first movable plates 9 extend into the hollow groove 5. Each of the first movable plates 9 has a fixed connecting plate 10 at its bottom, and there are two connecting plates 10. The two connecting plates 10 are located inside the expansion connecting groove 6. When a large amount of goods are loaded, the expansion knob 8 is turned to drive the expansion screw 7 to rotate synchronously, so that the two first movable plates 9 move in opposite directions. The two first movable plates 9 move along the hollow grooves 5 opened inside the two U-shaped plates 2. At the same time, since two expansion connecting grooves 6 are opened at the bottom of the inner wall of the hollow groove 5, the connecting plates 10 connected to their bottoms move along the inside of the expansion connecting grooves 6 during the movement of the two first movable plates 9 in opposite directions. Finally, the two expansion plates 4 extend outward, thereby increasing the volume inside the U-shaped plate 2 and the two expansion plates 4, which can load more goods and increase the capacity of the entire shelf.

[0029] The inner wall of the bottom plate 1 is movably connected with a positioning lead screw 11, one end of the positioning lead screw 11 is fixedly connected with a positioning knob 12, the outer wall of the positioning lead screw 11 is threadedly connected with a second moving plate 13, and the number of the second moving plates 13 is two, the interiors of the two second moving plates 13 are both provided with a positioning linkage groove 14, and the number of the positioning linkage grooves 14 is two, the interior of the bottom plate 1 is provided with a connecting plate 15, and the number of the connecting plates 15 is two, the top of each of the two connecting plates 15 is fixedly connected with a linkage column 16, the bottom of each of the two connecting plates 15 is fixedly connected with a limiting block 17, and the number of the limiting blocks 17 is two, the bottoms of the two limiting blocks 17 on the same side are fixedly connected with a positioning plate 18, when installing the whole shelf, first, the two fixed holes 23 provided at the bottom of each of the two fixed holes 23 are respectively fixed on the wheel shafts of the rear wheels, then the positioning knob 12 is rotated to drive the positioning lead screw 11 to rotate synchronously, the two second moving plates 13 are relatively moved, the linkage columns 16 at the top of the two connecting plates 15 in the interior of the bottom plate 1 are located in the positioning linkage grooves 14 provided in the interiors of the two second moving plates 13, so that when the two second moving plates 13 are relatively moved, the two connecting plates 15 and the limiting blocks 17 and the positioning plates 18 are moved away from each other, and finally one side of each of the two positioning plates 18 in close contact with the inner wall of the rear seat 24 in an arc shape, so that the bottom plate 1 is fixed on the rear seat 24, the fixing is fast and the operation is simple.

[0030] The positioning knob 12 is located in the interior of the side wall of the bottom plate 1, the two second moving plates 13 are located at the upper ends of the two connecting plates 15, the linkage column 16 is located in the interior of the positioning linkage groove 14, the bottom of the bottom plate 1 is provided with a limiting groove 19, and the number of the limiting grooves 19 is multiple, the limiting block 17 is located in the interior of the limiting groove 19, and the stability of the two connecting plates 15 and the two positioning plates 18 during movement is improved.

[0031] The inner wall of the bottom plate 1 is provided with a guide groove 20, and the number of the guide grooves 20 is two, the outer wall of each of the two second moving plates 13 is fixedly connected with a guide plate 21, and the number of the guide plates 21 is two, the guide plate 21 is located in the interior of the guide groove 20, and the stability of the movement of the two second moving plates 13 is improved.

[0032] The bottom of the bottom plate 1 is fixedly connected with a support 22, the bottom of the support 22 is provided with a fixed hole 23, the support 22 is in an inverted triangular shape, the bottom of the bottom plate 1 is provided with a rear seat 24, the two positioning plates 18 are in close contact with the inner edges of the rear seat 24, the opposite sides of the two positioning plates 18 are both in an arc shape, the bottom plate 1, the U-shaped plate 2 and the support 22 are all made of aluminum alloy, the aluminum alloy has the characteristics of high strength and light weight, and the light weight of the shelf is realized.

[0033] Working principle: when installing the whole shelf, first fix the two fixed holes 23 opened at the bottom of the fixed hole 23 on the rear wheel axle respectively, then rotate the positioning knob 12 to drive the positioning lead screw 11 to rotate synchronously, make the two second moving plates 13 move relatively, the linkage column 16 connected at the top of the two connecting plates 15 inside the bottom plate 1 is located in the positioning linkage groove 14 opened inside the second moving plate 13, so as to realize the relative movement of the two second moving plates 13, the two connecting plates 15 and the limiting block 17 and the positioning plate 18 move away from each other, finally the two positioning plates 18 are close to the inner wall of the rear seat 24 on one side of the arc surface, so as to fix the bottom plate 1 on the rear seat 24, when loading more goods, rotate the expansion knob 8 to drive the expansion lead screw 7 to rotate synchronously, make the two first moving plates 9 move away from each other, and the two first moving plates 9 move along the hollow groove 5 opened inside the two U-shaped plates 2 respectively, at the same time, due to the two expansion linkage grooves 6 opened at the bottom of the inner wall of the hollow groove 5, the linkage plate 10 connected at the bottom of the two first moving plates 9 moves along the inside of the expansion linkage groove 6 during the movement away from each other, finally makes the two expansion plates 4 stretch outwards, so as to increase the volume inside the U-shaped plate 2 and the two expansion plates 4, which can load more goods and improve the capacity of the whole shelf.

[0034] The above describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above embodiments, the above embodiments and descriptions in the specification are only the principles of the present application, various changes and improvements can be made without departing from the spirit and scope of the present application, which fall within the scope of the present application. The scope of protection claimed by the present application is defined by the appended claims and their equivalents.

Claims

1. A lightweight bicycle cargo carrier comprising a base plate (1) characterised in that: The top of the bottom plate (1) is fixedly connected with a U-shaped plate (2), the inside of the U-shaped plate (2) is provided with an expansion slot (3), the inside of the expansion slot (3) is provided with an expansion plate (4), and the number of the expansion plate (4) is two, the inside of the two expansion plates (4) is provided with a hollow slot (5), the inner wall bottom of the hollow slot (5) is provided with an expansion linkage groove (6), and the number of the expansion linkage groove (6) is two, the inner wall of the expansion slot (3) is movably connected with an expansion screw rod (7), one end of the expansion screw rod (7) is fixedly connected with an expansion knob (8), and the outer wall of the expansion screw rod (7) is threadedly connected with a first moving plate (9), and the number of the first moving plate (9) is two, the bottom of the two first moving plates (9) is fixedly connected with a linkage plate (10), and the number of the linkage plate (10) is two.

2. A lightweight bicycle rack as claimed in claim 1, characterized in that: The two expansion plates (4) are both U-shaped, the ends of the two first moving plates (9) extend into the inside of the hollow slot (5), the linkage plate (10) is located in the inside of the expansion linkage groove (6), and the expansion knob (8) is located in the inside of the side wall of the U-shaped plate (2).

3. A lightweight bicycle rack as defined in claim 1, wherein: The inner wall of the bottom plate (1) is movably connected with a positioning screw rod (11), one end of the positioning screw rod (11) is fixedly connected with a positioning knob (12), the outer wall of the positioning screw rod (11) is threadedly connected with a second moving plate (13), and the number of the second moving plate (13) is two, the inside of the two second moving plates (13) is provided with a positioning linkage groove (14), and the number of the positioning linkage groove (14) is two, the inside of the bottom plate (1) is provided with a connecting plate (15), and the number of the connecting plate (15) is two, the top of the two connecting plates (15) is fixedly connected with a linkage column (16), the bottom of the two connecting plates (15) is fixedly connected with a limiting block (17), and the number of the limiting block (17) is two, and the bottom of the two limiting blocks (17) on the same side is fixedly connected with a positioning plate (18).

4. A lightweight bicycle rack as claimed in claim 3, characterized in that: The positioning knob (12) is located in the inside of the side wall of the bottom plate (1), the two second moving plates (13) are located at the upper ends of the two connecting plates (15), and the linkage column (16) is located in the inside of the positioning linkage groove (14).

5. A lightweight bicycle rack as defined in claim 3, wherein: The bottom of the bottom plate (1) is provided with a limiting groove (19), and the number of the limiting groove (19) is multiple, and the limiting block (17) is located in the inside of the limiting groove (19).

6. A lightweight bicycle rack as defined in claim 3, wherein: The inner wall of the bottom plate (1) is provided with a guide groove (20), and the number of the guide groove (20) is two, the outer wall of the two second moving plates (13) is fixedly connected with a guide plate (21), and the number of the guide plate (21) is two, and the guide plate (21) is located in the inside of the guide groove (20).

7. A lightweight bicycle rack as defined in claim 3, wherein: The bottom of the bottom plate (1) is fixedly connected with a support (22), and the bottom of the support (22) is provided with a fixed hole (23).

8. A lightweight bicycle rack as claimed in claim 7, characterized in that: The support (22) is inverted triangular, the bottom of the bottom plate (1) is provided with a back seat (24), the inner edges of the back seat (24) are in close contact with the two positioning plates (18), the opposite surfaces of the two positioning plates (18) are arc-shaped, and the bottom plate (1), the U-shaped plate (2) and the support (22) are made of aluminum alloy.

Images