Novel upturning type telescopic stair

Abstract

The utility model relates to the technical field of telescopic stairs, and discloses a novel upturning type telescopic stair which comprises a fixing plate, a second moving plate is arranged on one side of the fixing plate, a fixing block is arranged on one side of the second moving plate, a fixing ring is fixedly connected to the outer wall of a fixing column, and the fixing ring is fixedly connected to the outer wall of the fixing column. And the opposite sides of the outer walls of the two fixing rings are fixedly connected to the top of a hydraulic rod and the output end of the hydraulic rod correspondingly, a third moving plate is arranged on one side of a fixing block, a rack is fixedly connected to one side of the third moving plate, and a sliding rod penetrates through the fixing block, a second moving plate and a limiting plate. According to the telescopic stair, connection of the rack and the gear is achieved through movement of the three movable plates, turning of the upper turning plate towards the two sides is achieved through the fact that the fixing rod is arranged in the groove of the fixing base, vertical movement of the sliding block is achieved through rotation of the threaded rod, vertical movement of the suction cup is further achieved, secondary fixing when the telescopic stair is used is achieved, and accidents are prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of telescopic stairs, in particular to a novel upward-turning telescopic staircase. Background Art

[0002] Stairs are used for transportation between two places with a height difference, and are widely used both indoors and outdoors. With the development of the staircase field, various types of staircases have appeared. Generally, residents with attics indoors will use telescopic stairs to go upstairs.

[0003] After searching, the announcement number: CN219118598U discloses a new type of upward-flipping telescopic staircase, including a tension adjusting member, a mounting plate, a rotating connecting seat, a rotating power-assisting frame, a power-assisting tension spring, a connecting short column, a sliding connecting block and a folding staircase assembly. Two rotating connecting seats are fixed on one side of the mounting plate, and a rotating power-assisting frame rotatably connected to the rotating connecting seat is provided on the rotating connecting seat. The rotating power-assisting frame includes a rotating rod rotatably connected to the rotating connecting seat, and a sliding groove is provided on the rotating rod. One side of the mounting plate is connected to the folding staircase assembly through a hinge seat. A connecting short column is provided on the front and rear sides of the folding staircase assembly, and one end of the two connecting short columns respectively passes through the sliding grooves on the two rotating rods. A power-assisting tension spring is provided between the end of the connecting short column away from the connection with the folding staircase assembly and the mounting plate. The new upward-flipping telescopic staircase has a simple structure, which makes it more labor-saving when the stairs are folded, and the tension when the stairs are folded can be adjusted, and the service life of the stairs is increased.

[0004] However, the existing telescopic staircase can only be turned in one direction, which is very inconvenient when people need to go up and down the stairs from the other side, and the staircase is easily retracted by external touch or other situations when people use the staircase. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a novel upward-turning telescopic staircase, which aims to improve the problem that the staircase can only be turned in one direction when in use, and to reinforce the staircase when in use.

[0006] The cam is an angular movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement movement

[0007] Preferably, the upper surface of the fixed plate is fixedly connected to a fixed seat, the upper surface of the fixed seat is provided with a groove, the surface of the groove is provided with a fixing rod, the outer wall of the fixing rod is fixedly connected to an upper flap, one end of the fixing rod is fixedly connected to a gear, the teeth of the gear are meshed with the teeth of the rack, the surface of the upper flap is fixedly connected to a telescopic staircase, and the bottom of the telescopic staircase is fixedly connected to a supporting mechanism.

[0008] Preferably, the supporting mechanism includes a stair board, the bottom of the stair board is rotatably connected to a threaded rod, the outer wall of the threaded rod is threadedly connected to a slider, one end of the slider is slidably connected to a guide column, the guide column is fixedly connected to the bottom of the stair board, and the bottom of the threaded rod is fixedly connected to a handle.

[0009] Preferably, the number of the threaded rod, the slider and the guide column are all two, one side of the slider is fixedly connected to a support plate, and both ends of the support plate are fixedly connected to opposite sides of the two sliders.

[0010] Preferably, a reinforcement block is fixedly connected to the bottom of the support plate, a suction cup is fixedly connected to the bottom of the reinforcement block, and there are two reinforcement blocks, both of which are fixedly connected to the bottom of the support plate.

[0011] Preferably, a handle is fixedly connected to the outer side of the stair tread, a leg is fixedly connected to the bottom of the stair tread, and an anti-slip pad is fixedly connected to the bottom of the leg.

[0012] Preferably, the slide bar is slidably connected inside the fixed block and the limiting plate, and the sliding block is fixedly connected inside the first movable plate, the second movable plate and the third movable plate.

[0013] Preferably, one side of the fixing block and the limiting plate is fixedly connected to one side of the fixing plate.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, the reciprocating motion of the first movable plate, the second movable plate and the third movable plate is driven by the extension and retraction of the hydraulic rod, and the connection between the rack and the gear is realized through the movement of the three movable plates. During the movement of the three movable plates, the upper flip plate is flipped to both sides in the groove of the fixed seat by the fixed rod.

[0016] 2. In the utility model, the up and down movement of the slider is realized by the rotation of the threaded rod, the up and down movement of the support plate is realized by the up and down movement of the slider, the up and down movement of the reinforcement block is realized by the up and down movement of the support plate, and the up and down movement of the suction cup is further realized, so that the telescopic staircase can be re-fixed when in use to prevent accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of a novel upward-flipping telescopic staircase proposed by the utility model;

[0018] Figure 2 A schematic diagram of the gears of a novel upward-flipping telescopic staircase proposed in the utility model;

[0019] Figure 3 A schematic diagram of a staircase board of a novel upward-flipping telescopic staircase proposed by the utility model;

[0020] Figure 4 A novel upward-turning telescopic staircase proposed by the utility model Figure 3 A in the enlarged view;

[0021] Figure 5 The utility model is a schematic diagram of a suction cup of a novel upward-flipping telescopic staircase proposed by the utility model.

[0022] Legend:

[0023] 1. Fixed plate; 2. First movable plate; 3. Sliding rod; 4. Fixed column; 5. Second movable plate; 6. Hydraulic rod; 7. Fixed ring; 8. Third movable plate; 9. Sliding block; 10. Threaded rod; 11. Stair plate; 12. Support plate; 13. Suction cup; 14. Upper flip plate; 15. Fixed seat; 16. Fixed rod; 17. Gear; 18. Rack; 19. Handle; 20. Anti-slip pad; 21. Leg; 22. Fixed block; 23. Reinforcement block; 24. Guide column; 25. Limit plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Reference Figure 1-3 , the utility model provides an embodiment: a new type of upturned telescopic staircase, including a fixed plate 1, a second movable plate 5 is arranged on one side of the fixed plate 1, a fixed block 22 is arranged on one side of the second movable plate 5, a fixed column 4 is fixedly connected to the outer side of the fixed block 22, a fixed ring 7 is fixedly connected to the outer wall of the fixed column 4, the number of the fixed column 4 and the fixed ring 7 is two, respectively located on the surface of the fixed block 22 and the second movable plate 5, the outer walls of the two fixed rings 7 are fixedly connected to the top of the hydraulic rod 6 and the output end of the hydraulic rod 6, respectively, a third movable plate 8 is arranged on one side of the fixed block 22, a rack 18 is fixedly connected to one side of the third movable plate 8, a limiting plate 25 is arranged on one side of the second movable plate 5, a first movable plate 2 is arranged on one side of the limiting plate 25, a sliding rod 3 is fixedly connected to one side of the first movable plate 2, one end of the sliding rod 3 is fixedly connected to one side of the third movable plate 8, and the sliding rod 3 passes through the fixed block 22, the second movable plate 5 and the limiting plate 25.

[0026] The top end and output end of the hydraulic rod 6 are respectively fixedly connected to the fixed block 22 and the second movable plate 5. The second movable plate 5 is pushed to move by the extension and retraction of the output end of the hydraulic rod 6. The first movable plate 2, the second movable plate 5 and the third movable plate 8 are connected by the sliding rod 3. The movement of the first movable plate 2 and the third movable plate 8 is realized by the second movable plate 5, which further drives the movement of the rack 18.

[0027] Reference Figure 2 and Figure 4 A fixing seat 15 is fixedly connected to the upper surface of the fixing plate 1, a groove is opened on the upper surface of the fixing seat 15, a fixing rod 16 is arranged on the surface of the groove, an outer wall of the fixing rod 16 is fixedly connected to the upper flap 14, one end of the fixing rod 16 is fixedly connected to a gear 17, the teeth of the gear 17 are meshed with the teeth of the rack 18, a telescopic staircase is fixedly connected to the surface of the upper flap 14, and a supporting mechanism is fixedly connected to the bottom of the telescopic staircase.

[0028] Through the movement of the rack 18, the rack 18 and the gear 17 are meshed and connected. At this time, the fixed rod 16 is in the groove of the fixed seat 15, and the fixed rod 16 is fixedly connected to the inner side of the upper flap 14. The gear 17 rotates through the fixed rod 16 to realize the flipping of the upper flap 14.

[0029] Reference Figure 5The supporting mechanism includes a stair tread 11, a threaded rod 10 is rotatably connected to the bottom of the stair tread 11, a slider 9 is threadedly connected to the outer wall of the threaded rod 10, one end of the slider 9 is slidably connected to a guide column 24, the guide column 24 is fixedly connected to the bottom of the stair tread 11, and a handle is fixedly connected to the bottom of the threaded rod 10.

[0030] The threaded rod 10 is rotated by rotating the handle, and the slider 9 is further rotated. The slider 9 is limited by the guide column 24, so that the slider 9 can move up and down.

[0031] There are two threaded rods 10, two sliders 9 and two guide columns 24. A support plate 12 is fixedly connected to one side of the slider 9. Both ends of the support plate 12 are fixedly connected to the opposite sides of the two sliders 9. The two sliders 9 are connected by the support plate 12 so that the heights of the two sliders 9 when moving up and down are kept consistent. The up and down movement of the support plate 12 is achieved by the up and down movement of the slider 9.

[0032] A reinforcement block 23 is fixedly connected to the bottom of the support plate 12, and a suction cup 13 is fixedly connected to the bottom of the reinforcement block 23. There are two reinforcement blocks 23, both of which are fixedly connected to the bottom of the support plate 12. The up and down movement of the reinforcement block 23 is achieved by the up and down movement of the support plate 12, and the up and down movement of the suction cup 13 is further achieved.

[0033] Reference Figure 3 A handle 19 is fixedly connected to the outside of the stair tread 11, a leg 21 is fixedly connected to the bottom of the stair tread 11, and an anti-slip pad 20 is fixedly connected to the bottom of the leg 21. The telescopic staircase is lowered through the handle 19. When the telescopic staircase is lowered, it is fixed to the ground through the leg 21. The anti-slip pad 20 can increase the friction with the ground to prevent deviation.

[0034] Reference Figure 1 The slide rod 3 is slidably connected inside the fixed block 22 and the limit plate 25, and the slide rod 3 is fixedly connected inside the third movable plate 8 of the first movable plate 2, the second movable plate 5, so that the first movable plate 2, the second movable plate 5 and the third movable plate 8 can move simultaneously. The limit plate 25 and the fixed block 22 remain fixed, and the slide rod 3 slides from the inside.

[0035] One side of the fixed block 22 and the limiting plate 25 is fixedly connected to one side of the fixed plate 1 , and the fixed block 22 and the limiting plate 25 simultaneously limit the distance when the second movable plate 5 moves.

[0036] Working principle: The top and output end of the hydraulic rod 6 are respectively fixedly connected to the fixed block 22 and the second movable plate 5. The second movable plate 5 is pushed to move by the extension and retraction of the output end of the hydraulic rod 6. The first movable plate 2, the second movable plate 5 and the third movable plate 8 are connected by the slide bar 3. The movement of the second movable plate 5 realizes the movement of the first movable plate 2 and the third movable plate 8, and further drives the movement of the rack 18. The rack 18 and the gear 17 are meshed and connected, and the fixed rod 16 is set in the fixed seat 15 to realize the flipping. The first movable plate 2, the second movable plate 5 and the third movable plate 8 are pushed to move by the extension and retraction of the hydraulic rod 6. The upper flap 14 is flipped over by the double motion, and the telescopic stairs are lowered by the handle 19 after the upper flap 14 is flipped over. When the telescopic stairs are lowered, they are fixed to the ground by the legs 21. The anti-skid pad 20 can increase the friction with the ground to prevent deviation. The threaded rod 10 is rotated by turning the handle, and the slider 9 is further rotated to achieve the up and down movement of the slider 9. The up and down movement of the slider 9 is achieved by the up and down movement of the support plate 12, and the up and down movement of the reinforcement block 23 is achieved by the up and down movement of the support plate 12, and the up and down movement of the suction cup 13 is further achieved. The suction cup 13 is fixed to the ground to make the telescopic stairs more secure.

[0037] Finally, it should be noted that the above 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, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel upward-folding telescopic staircase, comprising a fixed plate (1), characterized in that: A second movable plate (5) is arranged on one side of the fixed plate (1), a fixed block (22) is arranged on one side of the second movable plate (5), a fixed column (4) is fixedly connected to the outer side of the fixed block (22), a fixed ring (7) is fixedly connected to the outer wall of the fixed column (4), the number of the fixed column (4) and the number of the fixed ring (7) are two, respectively, and they are located on the surface of the fixed block (22) and the second movable plate (5), and the outer walls of the two fixed rings (7) are respectively fixedly connected to the top of the hydraulic rod (6) and the output end of the hydraulic rod (6). A third movable plate (8) is provided on one side of the fixed block (22), a rack (18) is fixedly connected to one side of the third movable plate (8), a limiting plate (25) is provided on one side of the second movable plate (5), a first movable plate (2) is provided on one side of the limiting plate (25), a sliding rod (3) is fixedly connected to one side of the first movable plate (2), one end of the sliding rod (3) is fixedly connected to one side of the third movable plate (8), and the sliding rod (3) passes through the fixed block (22), the second movable plate (5) and the limiting plate (25).

2. The novel upward-turning telescopic staircase according to claim 1 is characterized in that: The upper surface of the fixed plate (1) is fixedly connected to a fixed seat (15), the upper surface of the fixed seat (15) is provided with a groove, the surface of the groove is provided with a fixed rod (16), the outer wall of the fixed rod (16) is fixedly connected to an upper flap (14), one end of the fixed rod (16) is fixedly connected to a gear (17), the teeth of the gear (17) are meshed with the teeth of a rack (18), the surface of the upper flap (14) is fixedly connected to a telescopic staircase, and the bottom of the telescopic staircase is fixedly connected to a supporting mechanism.

3. The novel upward-turning telescopic staircase according to claim 2 is characterized in that: The supporting mechanism comprises a stair tread (11), the bottom of the stair tread (11) is rotatably connected to a threaded rod (10), the outer wall of the threaded rod (10) is threadedly connected to a slider (9), one end of the slider (9) is slidably connected to a guide column (24), the guide column (24) is fixedly connected to the bottom of the stair tread (11), and the bottom of the threaded rod (10) is fixedly connected to a handle.

4. The novel upward-turning telescopic staircase according to claim 3 is characterized in that: The number of the threaded rod (10), the slider (9) and the guide column (24) is two each; one side of the slider (9) is fixedly connected to a support plate (12); and both ends of the support plate (12) are fixedly connected to opposite sides of the two sliders (9).

5. The novel upward-turning telescopic staircase according to claim 4 is characterized in that: The bottom of the support plate (12) is fixedly connected to a reinforcement block (23), and the bottom of the reinforcement block (23) is fixedly connected to a suction cup (13). There are two reinforcement blocks (23), both of which are fixedly connected to the bottom of the support plate (12).

6. The novel upward-turning telescopic staircase according to claim 3 is characterized in that: A handle (19) is fixedly connected to the outer side of the stair tread (11), a support leg (21) is fixedly connected to the bottom of the stair tread (11), and an anti-slip pad (20) is fixedly connected to the bottom of the support leg (21).

7. The novel upward-turning telescopic staircase according to claim 1 is characterized in that: The sliding rod (3) is slidably connected inside the fixed block (22) and the limiting plate (25), and the sliding rod (3) is fixedly connected inside the first movable plate (2), the second movable plate (5) and the third movable plate (8).

8. The novel upward-turning telescopic staircase according to claim 1 is characterized in that: One side of the fixing block (22) and the limiting plate (25) is fixedly connected to one side of the fixing plate (1).

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