Novel folding stair
By designing a new type of folding staircase, using the coordination of fixed pedals, telescopic pedals and receiving pedals, telescopic folding and convenient operation are achieved, which solves the problems of inconvenience in use and difficulty in maintenance of existing folding stairs, and achieves the effect of space saving and convenient maintenance.
Patent Information
- Application Number
- CN202422636632.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-10-30
AI Technical Summary
Existing folding stairs need to be pulled down from a high place when in use, which is inconvenient to operate and difficult to maintain.
A new type of folding staircase has been designed. Through the interaction of fixed pedals, telescopic pedals and receiving pedals, it can be telescopically folded, convenient for storage and use. At the same time, the sliding groove and slider structure are set to facilitate the overall disassembly and maintenance.
The invention can save space when not in use and is easy to operate, maintain and transport when in use, thus solving the problems of inconvenience in use and difficulty in maintenance of existing folding stairs.
Smart Images

Figure CN223330131U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of stairs, in particular to a novel folding staircase. Background Art
[0002] Stairs are components used for transportation between floors in a building. They are composed of continuous steps, platforms and enclosing structures. Stairs must also be installed in high-rise buildings with elevators. Stairs are divided into two categories: ordinary stairs and special stairs.
[0003] At present, with the development of the economy, many family houses have attics, and the design of the attic usually requires stairs. Some houses use fixed concrete stairs to connect to the attic, and some use folding ladders to save space.
[0004] Fixed concrete stairs occupy a large area of the house, causing congestion. Existing folding ladders are mainly folded by telescopic folding, that is, they are folded by longitudinal extension. After folding, the whole ladder is placed on the upper floor and hidden. It is not visible on the lower floor and does not take up space. However, when it is needed, the ladder needs to be pulled down from a high place, which is inconvenient to use. When the stairs malfunction, it is difficult to repair. Utility Model Content
[0005] In order to solve the above technical problems, the utility model proposes a new type of folding staircase, which can be extended and retracted through the mutual cooperation between the fixed pedal, the telescopic pedal and the receiving pedal, so that the entire staircase can be folded. When not in use, it saves space, and when needed, it can be directly pulled from the bottom, which is simple to operate.
[0006] The technical solution for achieving the purpose of the utility model is: a new type of folding staircase, including a wall and a ground, two fixed rods are provided at one position of the wall, and also include: an adjustment assembly and a mounting assembly, the adjustment assembly is arranged between the two fixed rods; the mounting assembly is arranged between one of the fixed rods and the wall; the adjustment assembly includes two card slots symmetrically arranged on the inner side of the ground, a plurality of connecting blocks fixed to one side of the two fixed rods at equal intervals, a fixed pedal is fixed on one side of the plurality of connecting blocks, a telescopic pedal is slidably provided on the inner side of the plurality of fixed pedals, and the other ends of the plurality of telescopic pedals are slidably connected to a receiving pedal, one end of one of the fixed rods is fixed with a vertical rod 1, and the other end of one of the fixed rods is fixed with a vertical rod 2, the lower ends of the vertical rod 1 and the vertical rod 2 are respectively screwed with abutment sleeve 1 and abutment sleeve 2 adapted to the two card slots.
[0007] In some embodiments, the mounting assembly includes a mounting rod arranged on one side of the wall, a slide groove is provided on the inner side of the mounting rod, a slider is slidably provided on the inner side of the slide groove, the slider is fixed to another fixed rod, a limit screw is inserted through one end of the slide groove, and the outer side of the limit screw is connected to two limit nuts by symmetrical rotation of threads, and the two limit nuts are fitted with both sides of the mounting rod.
[0008] In some embodiments, ear plates are fixed to both ends of the mounting rod, and screw holes are formed on the inner sides of the two ear plates.
[0009] In some embodiments, a stopper is slidably inserted into the inner sides of the two slots.
[0010] In some embodiments, a handrail is fixed to the upper side of one of the fixing rods.
[0011] In some embodiments, a handle is provided on the outer side of the armrest.
[0012] In some embodiments, one end of each of the two fixing rods is provided with a socket.
[0013] Compared with the prior art, the present invention has the following significant advantages:
[0014] First, the utility model can extend and retract the fixed pedal, the telescopic pedal and the receiving pedal by cooperating with each other, so that the staircase can be folded up as a whole. When not in use, it saves space. When needed, it can be directly pulled from the bottom, which is easy to operate.
[0015] Secondly, the utility model is provided with a slide groove and a slider. When the folding ladder is damaged and needs to be repaired, the entire ladder can be directly disassembled. The two limit nuts are rotated separately to separate the limit screw from the mounting rod, and the ladder is slid upward obliquely, making use of the upper space of the attic to ensure the feasibility of disassembly. Disassembly facilitates maintenance and is also convenient for transportation during installation.
[0016] The present invention solves the problem that the existing ladder needs to be pulled down from a high place, which is inconvenient to use and difficult to repair when the ladder breaks down. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The present invention will be further explained below with reference to the accompanying drawings and embodiments:
[0018] Figure 1 This is a schematic diagram of the overall structure provided in one embodiment of the present invention;
[0019] Figure 2 This is a schematic diagram of the partial structure of a folding ladder provided in one embodiment of the present invention;
[0020] Figure 3 This is a schematic diagram of the structure between one set of fixed pedals and telescopic pedals provided in one embodiment of the present invention;
[0021] Figure 4 This is a schematic diagram of the partial structure between the fixing rod and the installation rod provided in one embodiment of the present invention;
[0022] Figure 5 This is a schematic diagram of the separate structure of the armrest part provided in one embodiment of the present utility model.
[0023] Description of reference numerals:
[0024] 1. Wall; 2. Floor; 3. Fixing rod; 4. Slot; 5. Connecting block; 6. Fixed pedal; 7. Telescopic pedal; 71. Supporting pedal; 8. Vertical pole 1; 9. Abutment sleeve 1; 10. Vertical pole 2; 11. Abutment sleeve 2; 12. Mounting rod; 13. Slide groove; 14. Slider; 15. Limit screw; 16. Limit nut; 17. Ear plate; 18. Screw hole; 19. Block; 20. Handrail; 21. Handle; 22. Socket. DETAILED DESCRIPTION
[0025] The following is a detailed description of the present invention, clearly and completely describing the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0026] The present invention provides a novel folding staircase through improvement. The technical solution of the present invention is:
[0027] like Figure 1-Figure 3 As shown, a new type of folding staircase includes a wall 1 and a floor 2, two fixed rods 3 are provided at one position of the wall 1, and also includes: an adjustment component and an installation component, the adjustment component is arranged between the two fixed rods 3; the installation component is arranged between one of the fixed rods 3 and the wall 1; the adjustment component includes two card slots 4 symmetrically arranged on the inner side of the floor 2, a plurality of connecting blocks 5 fixed to one side of the two fixed rods 3 at equal intervals, a fixed pedal 6 is fixed on one side of the plurality of connecting blocks 5, a telescopic pedal 7 is slidably provided on the inner side of the plurality of fixed pedals 6, and the other ends of the plurality of telescopic pedals 7 are slidably connected to a receiving pedal 71, one end of one of the fixed rods 3 is fixed to a vertical rod 1 8, and the other end of one of the fixed rods 3 is fixed to a vertical rod 2 10, and the lower ends of the vertical rod 1 8 and the vertical rod 2 10 are respectively screwed with an abutment sleeve 1 9 and an abutment sleeve 2 11 adapted to the two card slots 4;
[0028] Combined with the description of the above-mentioned adjustment component, when not in use, the user can rotate the abutment sleeve 1 9 and the abutment sleeve 2 11 upwards respectively to separate them from the inner sides of the two card slots 4. At this time, the whole is pushed to the side of the wall 1, and the multiple telescopic pedals 7 are respectively extended and retracted along the multiple receiving pedals 71 and the inner sides of the fixed pedals 6 to save space. Similarly, when needed, they can be unfolded, and then the abutment sleeve 1 9 and the abutment sleeve 2 11 can be rotated and inserted into the inner sides of the two card slots 4. The operation is simple.
[0029] like Figure 4 As shown, in one embodiment, the mounting assembly includes a mounting rod 12 provided on one side of the wall 1, a slide groove 13 is provided on the inner side of the mounting rod 12, a slider 14 is slidably provided on the inner side of the slide groove 13, and the slider 14 is fixed to another fixing rod 3, and a limiting screw 15 is inserted through one end of the slide groove 13, and two limiting nuts 16 are symmetrically connected to the outer side of the limiting screw 15 through a thread, and the two limiting nuts 16 are fitted on both sides of the mounting rod 12;
[0030] Combined with the description of the above-mentioned installation components, when the entire body is damaged and needs to be repaired, the entire body can be directly disassembled, and the two limit nuts 16 can be rotated separately to release the limit, and one of the fixing rods 3 can be slid along the inner side of the slide groove 13 through the slider 14. The specific sliding method is to slide obliquely upward, utilizing the upper space of the attic to ensure the feasibility of disassembly. Disassembly makes it easier to repair, and it is also more convenient to transport during installation.
[0031] like Figure 4 As shown, in one embodiment, in order to install the mounting rod 12 , ear plates 17 are fixed to both ends of the mounting rod 12 , and screw holes 18 are formed on the inner sides of the two ear plates 17 .
[0032] like Figure 1 As shown, in one embodiment, blocks 19 are slidably inserted into the inner sides of the two card slots 4. The two blocks 19 can be customized according to the color of the floor 2 and are used to block the two card slots 4 to ensure the smoothness of the surface of the floor 2.
[0033] like Figure 5 As shown, in one embodiment, in order to improve the safety of the user when climbing, a handrail 20 is fixed to the upper side of one of the fixing rods 3 .
[0034] like Figure 5 As shown, in one embodiment, a handle 21 is provided on the outer side of the armrest 20. The handle 21 is made of rubber material, which is convenient for the user to hold and extend and fold.
[0035] like Figure 1 As shown, in one embodiment, one end of each of the two fixing rods 3 is provided with an insertion hole 22, and by screwing positioning bolts inside the two insertion holes 22, the entire body can be limited after folding.
[0036] The specific working method is: when in use, by providing the handrail 20, the user can hold the handrail 20 when climbing, which improves the safety of climbing. When not in use, the user can respectively rotate the abutment sleeve 1 9 and the abutment sleeve 2 11 upwards to separate them from the inner sides of the two card slots 4. At this time, the handrail 20 is held and pushed toward the wall 1. The multiple telescopic pedals 7 are respectively extended along the multiple receiving pedals 71 and the inner sides of the fixed pedal 6. When the retracted pedals 7 are extended to a state where they cannot be extended, the positioning bolts are screwed into the inner sides of the two jacks 22 to limit the position of the retracted pedals, saving space and at the same time When it is needed, just rotate the positioning bolt to release the limit, then unfold it, and then rotate the abutment sleeve 1 9 and the abutment sleeve 2 11 to insert them into the inside of the two card slots 4. The operation is simple. When the whole is damaged and needs to be repaired, the two fixing rods 3 can be directly disassembled, and the two limiting nuts 16 are rotated to release the limit, and one of the fixing rods 3 is slid along the inside of the slide groove 13 through the slider 14. The specific sliding method is to slide obliquely upward, utilizing the upper space of the attic to ensure the feasibility of disassembly. Disassembly makes it easy to repair, and it is also more convenient to transport during installation.
[0037] The technical means disclosed in the present invention are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacements of the above technical features. Matters not covered in the present invention belong to the common knowledge of those skilled in the art.
Claims
1. A novel folding staircase, comprising a wall (1) and a floor (2), wherein two fixing rods (3) are provided at one position of the wall (1), and characterized in that: Also includes: An adjustment assembly, the adjustment assembly being arranged between two fixing rods (3); An installation assembly, the installation assembly being arranged between one of the fixing rods (3) and the wall (1); The adjustment assembly comprises two slots (4) symmetrically arranged on the inner side of the ground (2), and a plurality of connecting blocks (5) fixed at equal intervals on one side of two fixed rods (3); a fixed pedal (6) is fixed on one side of the plurality of connecting blocks (5); a telescopic pedal (7) is slidably arranged on the inner side of the plurality of fixed pedals (6); the other ends of the plurality of telescopic pedals (7) are slidably connected to a receiving pedal (71); one end of one of the fixed rods (3) is fixed with a vertical rod (8), and the other end of one of the fixed rods (3) is fixed with a vertical rod (10); the lower ends of the vertical rod (8) and the vertical rod (10) are respectively screwed with abutment sleeves (9) and abutment sleeves (11) adapted to the two slots (4).
2. A novel folding staircase according to claim 1, characterized in that: The installation assembly includes a mounting rod (12) arranged on one side of the wall (1), a sliding groove (13) is arranged on the inner side of the mounting rod (12), a slider (14) is slidingly arranged on the inner side of the sliding groove (13), and the slider (14) is fixed to another fixed rod (3), and a limiting screw (15) is inserted through one end of the sliding groove (13), and the outer side of the limiting screw (15) is connected to two limiting nuts (16) by symmetrical rotation of threads, and the two limiting nuts (16) are fitted with both sides of the mounting rod (12).
3. The novel folding staircase according to claim 2 is characterized in that: Ear plates (17) are fixed at both ends of the mounting rod (12), and screw holes (18) are provided on the inner sides of the two ear plates (17).
4. The novel folding staircase according to claim 1 is characterized in that: Stoppers (19) are slidably inserted into the inner sides of the two card slots (4).
5. The novel folding staircase according to claim 1 is characterized in that: A handrail (20) is fixed to the upper side of one of the fixing rods (3).
6. The novel folding staircase according to claim 5, characterized in that: The outer side of the armrest (20) is provided with a handle (21).
7. The novel folding staircase according to claim 1 is characterized in that: One end of each of the two fixing rods (3) is provided with a socket (22).