Portable adjustable stair ramp frame body

Abstract

The utility model relates to the field of building construction, in particular to a portable adjustable stair ramp frame body which comprises two folding ramps, the two folding ramps are movably connected through a hinge structure, one folding ramp is connected with an upper ramp in a sliding mode, the other folding ramp is connected with a lower ramp in a sliding mode, and the upper ramp is connected with the lower ramp in a sliding mode. The upper ramp and the lower ramp are each provided with a positioning structure, and the positioning structures are matched with the folding ramp in a positioning mode. The stair ramp integrates the telescopic function and the folding function and can be well adapted to stairs with different lengths and heights, and the overall structure is convenient to lay and carry.

Description

Technical Field

[0001] This utility model relates to the field of building construction, and in particular to a portable adjustable stair ramp frame. Background Technology

[0002] In interior decoration of low-rise residential buildings or mixed-use buildings without elevators, outdoor vertical transportation machinery has long been removed. Manual carts are suitable for transporting bulk cement, sand, and gravel. However, how to push these carts up the stair treads becomes a problem. Current technology typically involves laying ramps on the stair treads, often using a folding structure. Since the length of each folded ramp is fixed, the total unfolded length is also fixed. This results in low adaptability for staircases of different lengths and heights (for example, for staircases with a large design height, the slope is too steep, making it difficult for workers to push the cart; for staircases with a large design length, the unfolded length may be insufficient). Utility Model Content

[0003] Based on the above problems, the purpose of this utility model is to provide a portable and adjustable stair ramp frame. This utility model adopts the following technical solution:

[0004] This utility model provides a portable adjustable stair ramp frame, including two folding ramps, which are movably connected by a hinge structure. One of the folding ramps is slidably connected to an upper ramp, and the other folding ramp is slidably connected to a lower ramp. Both the upper and lower ramps are provided with positioning structures that are positioned and cooperate with the folding ramps.

[0005] Preferably, the folding ramp includes two opposing inner frames, with an inner ramp plate disposed between the two inner frames.

[0006] Preferably, the hinge structure includes a plurality of hinge ears fixed to the bottom of the inner ramp plate, and each hinge ear is rotatably connected to a trunnion.

[0007] Preferably, the ramp includes two oppositely arranged outer frames, and an outer ramp plate is provided between the two outer frames;

[0008] A guide groove is provided on the inner side of the outer frame along the length direction, and a guide slider is slidably engaged in the guide groove. The guide slider is fixed to the inner frame.

[0009] Preferably, the structure of the downhill ramp is the same as that of the uphill ramp.

[0010] Preferably, the positioning structure includes a plurality of positioning holes, each of which is arranged sequentially at intervals along the length of the outer sidewall of the outer frame, and a positioning bolt is threaded onto the guide slider, the positioning bolt being inserted into one of the positioning holes.

[0011] Preferably, the upper end of the ramp is provided with a U-shaped support plate, and the two side walls of the U-shaped support plate are rotatably connected with support arms, which are fixed to the ramp; the lower side wall of the ramp is provided with a folding lock hole one, and the side wall of the U-shaped support plate is provided with a folding lock hole two. After the two ramps are folded, the folding lock hole one and the folding lock hole two correspond to each other and are fixed by a pin.

[0012] Compared with the prior art, the beneficial technical effects of this utility model are as follows:

[0013] This utility model integrates telescopic and folding functions for stair ramps, which can adapt well to staircases of different lengths and heights, and the overall structure is easy to lay and transport. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings.

[0015] Figure 1 This is a schematic diagram of the structure of the portable adjustable stair ramp frame of this utility model;

[0016] Figure 2 This is a side view of the portable adjustable stair ramp frame of this utility model;

[0017] Figure 3 for Figure 1 Enlarged view of section A in the image;

[0018] Figure 4 This is a schematic diagram of the folding operation of this utility model.

[0019] Explanation of reference numerals in the attached drawings: 1. Folding ramp; 101. Inner frame; 102. Inner ramp plate; 2. Hinge structure; 201. Hinge ear; 202. Trunnion; 3. Upper ramp; 301. Outer frame; 302. Outer ramp plate; 303. Guide groove; 304. Guide slider; 4. Lower ramp; 5. Positioning structure; 501. Positioning hole; 502. Positioning bolt; 6. U-shaped support plate; 601. Support arm; 7. Folding lock hole one; 8. Folding lock hole two. Detailed Implementation

[0020] To make the technical problems, technical solutions and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

[0021] like Figure 1and 2 As shown, this embodiment discloses a portable adjustable stair ramp frame, including two folding ramps 1, which are movably connected by a hinge structure 2. An upper ramp 3 is slidably connected to one of the folding ramps 1, and a lower ramp 4 is slidably connected to the other folding ramp 1. A positioning structure 5 is provided on both the upper ramp 3 and the lower ramp 4, and the positioning structure 5 is positioned and cooperates with the folding ramp 1.

[0022] The folding ramp 1 includes two opposing inner frame frames 101, with an inner ramp plate 102 disposed between the two inner frame frames 101.

[0023] The hinge structure 2 is used to connect the two folding ramps 1. In this embodiment, the hinge structure 2 includes multiple hinge ears 201 fixed to the bottom of the inner ramp plate 102. Each hinge ear 201 is rotatably connected to a trunnion 202. A limiting pin is arranged on the trunnion 202 to prevent the trunnion 202 from coming out of the hinge ear 201. When the two folding ramps 1 are unfolded, the inner frame 101 on both sides of the upper and lower folding ramps 1 press against each other, thereby ensuring that the two folding ramps 1 are unfolded at 180 degrees.

[0024] In addition to the structure provided in this embodiment, the hinge structure 2 can also take the form of a hinge or other similar structure.

[0025] The ramp 3 includes two oppositely arranged outer frames 301, with an outer ramp plate 302 between the two outer frames 301; a guide groove 303 is provided on the inner side of the outer frame 301 along the length direction, and a guide block 304 is slidably engaged in the guide groove 303, and the guide block 304 is fixed to the inner frame 101.

[0026] In this embodiment, the structure of the downhill ramp 4 is the same as that of the uphill ramp 3.

[0027] like Figure 3 As shown, the positioning structure 5 includes several positioning holes 501, and each positioning hole 501 is arranged sequentially at intervals along the length direction of the outer sidewall of the outer frame 301. The guide slider 304 is threaded with a positioning bolt 502, and the positioning bolt 502 is inserted into one of the positioning holes 501.

[0028] like Figure 1 and 4 As shown, a U-shaped support plate 6 is provided at the upper end of the ramp 3. Support arms 601 are rotatably connected to the two side walls of the U-shaped support plate 6. The support arms 601 are fixed to the ramp 3. When in use, the U-shaped support plate 6 supports the top of the stairs.

[0029] In this embodiment, a folding lock hole 7 is provided on the lower side wall of the down ramp 4, and a folding lock hole 8 is provided on the side wall of the U-shaped support plate 6. After the two folding ramps 1 are folded, the folding lock hole 7 and the folding lock hole 8 correspond to each other and are fixed by a pin. This can fix the entire ramp frame, making it easy to transport. At the same time, handles are also provided on the side walls of the down ramp 4 and the up ramp 3.

[0030] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

Claims

1. A portable adjustable stairway ramp body, characterized by, It includes two folding ramps (1), which are movably connected by a hinge structure (2). One of the folding ramps (1) is slidably connected to an upper ramp (3), and the other folding ramp (1) is slidably connected to a lower ramp (4). Both the upper ramp (3) and the lower ramp (4) are provided with positioning structures (5), which are positioned and cooperate with the folding ramps (1).

2. The portable adjustable stairway slope body of claim 1, wherein: The folding ramp (1) includes two opposing inner frame frames (101), and an inner ramp plate (102) is provided between the two inner frame frames (101).

3. The portable adjustable stairway slope body of claim 2, wherein: The hinge structure (2) includes a plurality of hinge ears (201) fixed to the bottom of the inner ramp plate (102), and each hinge ear (201) is rotatably connected to the trunnion (202).

4. The portable adjustable stairway slope body of claim 2, wherein: The ramp (3) includes two oppositely arranged outer frames (301), and an outer ramp plate (302) is provided between the two outer frames (301). The inner side of the outer frame (301) is provided with a guide groove (303) along the length direction, and a guide block (304) is slidably engaged in the guide groove (303). The guide block (304) is fixed to the inner frame (101).

5. The portable adjustable stairway slope body of claim 4, wherein: The structure of the down ramp (4) is the same as that of the up ramp (3).

6. The portable adjustable stairway slope body of claim 4, wherein: The positioning structure (5) includes a plurality of positioning holes (501), each of the positioning holes (501) is arranged sequentially at intervals along the length direction of the outer sidewall of the outer frame (301), and a positioning bolt (502) is threadedly connected to the guide slider (304), and the positioning bolt (502) is inserted into one of the positioning holes (501).

7. The portable adjustable stairway slope body of claim 1, wherein: The upper end of the ramp (3) is provided with a U-shaped support plate (6), and the two side walls of the U-shaped support plate (6) are rotatably connected with support arms (601), and the support arms (601) are fixed to the ramp (3). The lower side wall of the ramp (4) is provided with a folding lock hole one (7), and the side wall of the U-shaped support plate (6) is provided with a folding lock hole two (8). After the two folding ramps (1) are folded, the folding lock hole one (7) and the folding lock hole two (8) correspond to each other and are fixed by a pin.

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