Folding stair climbing machine
By designing rectangular holes, extension plates, and locking mechanisms on the carrying plate, and utilizing the cooperation of gears, racks, and locking blocks, the problem of fixed carrying plate size is solved, enabling flexible adjustment of the carrying plate area to accommodate goods of different lengths. The structure is simple and easy to use.
Patent Information
- Application Number
- CN202520023597.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-06
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2035-01-06
AI Technical Summary
The existing folding stair climbers have fixed cargo tray sizes, which are not easy to adjust according to the length of the goods, resulting in inconvenience in use.
A loading plate structure including a rectangular hole, an extension plate, a moving transmission mechanism, and a locking mechanism was designed. Through the cooperation of gear rack and locking block, the extension plate can be extended or retracted to adjust the loading area.
It allows for flexible adjustment of the cargo platform area to accommodate goods of different lengths, and features a simple structure and ease of use.
Smart Images

Figure CN223590742U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a stair -climbing machine technical field especially relates to a folding stair -climbing machine. BACKGROUND
[0002] The stair -climbing machine is a new type of object carrying stair -climbing tool, it utilizes the action execution mechanism equipped with itself, to realize the up and down stairs action, and then complete the up and down stairs purpose, and is widely used in logistics, water delivery, moving, furniture and home appliance industry.
[0003] Through the search, the patent document with disclosure (announcement) no. CN208216818U discloses a folding stair -climbing machine, including: support assembly, the support assembly is equipped with the object carrying plate;Stair -climbing mechanism, set up in the lower part of support assembly, located with the object carrying plate opposite side;Driving device, set up on the support assembly, for driving the stair -climbing mechanism movement;The support assembly includes the fixed frame for installing the object carrying plate, stair -climbing mechanism and driving device and the movable frame set up in the fixed frame upper end, the movable frame is set up on the fixed frame through the first rotation locking mechanism to make the movable frame can be folded after fixing relative to the fixed frame;The support assembly of the above structure's stair -climbing machine can realize folding to facilitate manual handling stair -climbing machine or packing and transporting stair -climbing machine, reduces storage space, and the support assembly can carry the goods with larger volume and higher height under the unfolded state.
[0004] The object carrying plate size of the above patent is fixed, is inconvenient for adjusting according to the length of goods, is not conducive to actual use, therefore we propose a folding stair -climbing machine to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims at solving the inconvenience of adjusting according to the length of goods, and not conducive to actual use, and proposes a folding stair -climbing machine.
[0006] In order to achieve the above object, the utility model adopts the following technical scheme:
[0007] A folding stair -climbing machine, including:
[0008] Support assembly, the support assembly is equipped with the object carrying plate;
[0009] Rectangular hole, is located on the object carrying plate;
[0010] Two extension plates, slidingly installed in the rectangular hole, for adjusting the object carrying area;
[0011] Moving transmission mechanism, is located in the rectangular hole, for realizing the opposite movement of two extension plates;
[0012] Multiple locking grooves, are located on one side of two extension plates;
[0013] Locking mechanism, set up in one side of the object plate, be used for cooperation locking groove to two extension plate are fixed.
[0014] Preferably, the moving transmission mechanism comprises a rotating shaft rotatably installed in the rectangular hole, and a gear is fixedly installed on the outer side of the rotating shaft.
[0015] Preferably, the gear is meshed with two racks, recesses are formed in the sides of the two extension plates close to each other, and one end of the two racks is fixedly connected with the inner wall of one side of the two recesses respectively.
[0016] Preferably, the locking mechanism comprises two locking blocks, and the sides of the two locking blocks are clamped with the corresponding two locking grooves respectively.
[0017] Preferably, two sliding holes are formed in the inner wall of one side of the rectangular hole, and the outer sides of the two locking blocks are slidingly connected with the inner walls of the two sliding holes respectively.
[0018] Preferably, the same push-pull plate is fixedly installed on the other side of the two locking blocks, a spring is fixedly installed on one side of the push-pull plate, a fixed groove is formed in one side of the object plate, one end of the spring is fixedly connected with the inner wall of one side of the fixed groove, and a through hole is formed in the push-pull plate.
[0019] Compared with the prior art, the utility model has the advantages that:
[0020] The push-pull plate is pulled to the left, the push-pull plate stretches the spring and drives the two locking blocks to separate from the two locking grooves, the fixing of the two extension plates is released, then one extension plate is pulled to move, through the cooperation of the rack and the gear, the other extension plate moves in the opposite direction, the two extension plates are extended or retracted, and the object area is adjusted, after adjustment, the push-pull plate is loosened, the spring is reset, the two locking blocks are clamped into the corresponding two locking grooves, and the two extension plates are fixed.
[0021] The utility model can adjust the object area, is suitable for goods of different lengths, has simple structure and is convenient to use. ACCURACY OF DRAWINGS
[0022] Figure 1 It is a structure schematic diagram of a folding type stair climbing machine provided by the utility model;
[0023] Figure 2 It is a top view sectional structure schematic diagram of a folding type stair climbing machine provided by the utility model;
[0024] Figure 3 It is a structure schematic diagram of a folding type stair climbing machine provided by the utility model; Figure 2 It is an enlarged structure schematic diagram of part A.
[0025] In the figure: 1, support assembly; 2, object plate; 3, rectangular hole; 4, extension plate; 5, groove; 6, rack; 7, gear; 8, push-pull plate; 9, locking block; 10, locking groove; 11, spring; 12, fixing groove; 13, sliding hole; 14, through hole; 15, rotating shaft. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments. Obviously, the described embodiments are only part of the embodiments of the present application, not all embodiments. EMBODIMENT
[0027] REFERENCE Figures 1-3 A folding stair climber comprises:
[0028] The support assembly 1 is provided with the object plate 2. The specific structure of the support assembly 1 is disclosed in the patent document with the publication number CN208216818U, which is the prior art and is directly quoted. The patent document discloses the specific structure of the folding stair climber. The present application is an improvement on the patent, and the structures irrelevant to the improvement points will not be described in detail.
[0029] The rectangular hole 3 is arranged on the object plate 2.
[0030] The two extension plates 4 are slidingly installed in the rectangular hole 3 and are used to adjust the object area.
[0031] The movement transmission mechanism is arranged in the rectangular hole 3 and is used to realize the mutual movement of the two extension plates 4.
[0032] The plurality of locking grooves 10 are arranged on one side of the two extension plates 4.
[0033] The locking mechanism is arranged on one side of the object plate 2 and is used to fix the two extension plates 4 in cooperation with the locking grooves 10.
[0034] In the present embodiment, the movement transmission mechanism comprises the rotating shaft 15 rotatingly installed in the rectangular hole 3. The outer side of the rotating shaft 15 is fixedly installed with the gear 7.
[0035] In the present embodiment, the gear 7 is engaged with the two racks 6. The side of the two extension plates 4 close to each other is provided with the groove 5. One end of the two racks 6 is respectively fixedly connected with the inner wall of one side of the two grooves 5.
[0036] In the present embodiment, the locking mechanism comprises the two locking blocks 9. One side of the two locking blocks 9 is respectively clamped with the corresponding two locking grooves 10.
[0037] In the present embodiment, the inner wall of one side of the rectangular hole 3 is provided with the two sliding holes 13. The outer side of the two locking blocks 9 is respectively slidingly connected with the inner wall of the two sliding holes 13.
[0038] In this embodiment, the other side of the two locking blocks 9 is fixedly installed with the same push-pull plate 8, one side of the push-pull plate 8 is fixedly installed with the spring 11, one side of the object plate 2 is provided with the fixed slot 12, one end of the spring 11 is fixedly connected with the inner wall of one side of the fixed slot 12, and the push-pull plate 8 is provided with the through hole 14.
[0039] In this embodiment, when in use, the push-pull plate 8 is pulled to the left, the push-pull plate 8 stretches the spring 11 and drives the two locking blocks 9 to disengage from the two locking slots 10, thereby releasing the fixation of the two extension plates 4, then one extension plate 4 is pulled to move, through the cooperation of the rack 6 and the gear 7, the other extension plate 4 moves in the opposite direction, the two extension plates 4 are extended or retracted, and the object area is adjusted, after adjustment, the push-pull plate 8 is loosened, the spring 11 is reset, the two locking blocks 9 are clamped into the corresponding two locking slots 10, and the two extension plates 4 are fixed. Embodiment
[0040] The difference from the first embodiment is that the two extension plates 4 are fixedly installed with the handle on the side away from each other, and the handle is arranged to facilitate pulling the extension plate 4 to move.
[0041] The rest is the same as the first embodiment.
[0042] The above is only the preferred specific implementation of the embodiment, but the protection scope of the embodiment is not limited to this, any person skilled in the art in the technical range disclosed by the embodiment, according to the technical scheme and the utility model concept of the embodiment, makes equivalent replacement or change, should be covered in the protection scope of the embodiment.
Claims
1. A folding stair climber, characterized in that, include: The support assembly (1) is provided with a carrying plate (2); A rectangular hole (3) is provided on the carrier plate (2); Two extension plates (4) are slidably installed in the rectangular hole (3) for adjusting the load area; A moving transmission mechanism is provided in a rectangular hole (3) to enable the two extension plates (4) to move towards each other; Multiple locking slots (10) are provided on one side of the two extension plates (4); A locking mechanism is located on one side of the loading plate (2) and is used to fix the two extension plates (4) in conjunction with the locking groove (10).
2. The folding stair climber according to claim 1, characterized in that, The moving transmission mechanism includes a rotating shaft (15) rotatably installed in a rectangular hole (3), and a gear (7) is fixedly installed on the outside of the rotating shaft (15).
3. A folding stair climber according to claim 2, characterized in that, The gear (7) has two racks (6) meshing on it. The two extension plates (4) have grooves (5) on their sides that are close to each other. One end of each rack (6) is fixedly connected to the inner wall of one side of the two grooves (5).
4. A folding stair climber according to claim 3, characterized in that, The locking mechanism includes two locking blocks (9), one side of which is respectively engaged with two corresponding locking slots (10).
5. A folding stair climber according to claim 4, characterized in that, Two sliding holes (13) are provided on one side of the inner wall of the rectangular hole (3), and the outer sides of the two locking blocks (9) are slidably connected to the inner walls of the two sliding holes (13).
6. A folding stair climber according to claim 5, characterized in that, The same push-pull plate (8) is fixedly installed on the other side of the two locking blocks (9). A spring (11) is fixedly installed on one side of the push-pull plate (8). A fixing groove (12) is opened on one side of the loading plate (2). One end of the spring (11) is fixedly connected to the inner wall of one side of the fixing groove (12). A through hole (14) is provided on the push-pull plate (8).
Citation Information
Patent Citations
Foldable building machine that climbs
CN208216818U