Folding ladder convenient to fix
By arranging structures such as a fixing block, a pull rod, a screw sleeve and a fixing shell on the folding ladder, the deficiencies of the existing folding ladder in fixation and stability are solved, better angle adjustment and ground contact are achieved, and the stability in use is improved.
Patent Information
- Application Number
- CN202422117710.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-30
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-08-30
AI Technical Summary
Existing folding ladders are not easy to fix during use, especially when the angle between the two supporting ladders is not too small, resulting in insufficient stability.
By setting structures such as fixed blocks, pull rods, screw sleeves and screws, the left and right ladders can be fixed to increase stability, and the contact area with the ground can be increased in an inclined state by fixing the outer shell and the spherical structure.
The use stability of the folding ladder is improved, especially when the angle needs to be adjusted, and the contact area with the ground and the connection stability are enhanced.
Smart Images
Figure CN223446951U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of folding ladder, concretely is a folding ladder convenient to fix. BACKGROUND
[0002] Ladder is an article since ancient times, until today still being used, along with the development of society, the structure and material of ladder have changed a lot, produced some new ladders, from the function, there are two-way ladder, telescopic ladder, one-way folding ladder anti -skid etc., from the material, there are pure wood's aluminum alloy's, steel wood combination's, plastic's, insulating material's etc., folding ladder is convenient to store, carries conveniently, therefore can be used in various civil engineering, decoration engineering or power grid maintenance etc.
[0003] The folding ladder currently used can provide stable support through the fixed shaft of two supporting ladders matched and connected, but it is inconvenient to use the height of the supporting ladder exceeding the single side of the ladder, and the angle between the two supporting ladders is not easy to be too small, therefore, the utility model provides a folding ladder convenient to fix. UTILITY MODEL CONTENTS
[0004] In view of the inconvenience of the folding ladder in the prior art, the utility model provides a folding ladder convenient to fix, which has the advantages of convenient fixing.
[0005] To achieve the above object, the utility model provides the following technical scheme: a folding ladder convenient to fix, including fixed plate, the outside of fixed plate is provided with fixed block, the both sides of fixed block are equipped with reserved slot body, the inside of slot body is rotatably connected with fixed shaft, the fixed block is provided with two about fixed plate symmetry, wherein one fixed block is fixedly connected with left ladder outside, the other fixed block is fixedly connected with right ladder outside, the inside of fixed block is equipped with through slot body, the inside of slot body is provided with pull rod, the outside of pull rod is rotatably connected with screw rod sleeve, the outside of screw rod sleeve is fixedly connected with fixed nut, the inside of fixed block is provided with screw rod.
[0006] Preferably, the tail of the left ladder and the right ladder is fixedly connected with a supporting mechanism, and the supporting mechanism is externally clamped with a protective sleeve.
[0007] Preferably, the supporting mechanism comprises a connecting rod, the connecting rod is fixedly connected with the left ladder and the right ladder, the tail of the connecting rod is fixedly connected with a ball, the outside of the ball is provided with a fixed shell, and the inside of the fixed shell is provided with a limiting groove corresponding to the ball.
[0008] Preferably, the first end of the pull rod is fixedly connected with a limiting plate, the tail end of the pull rod is fixedly connected with a fixed ring, the inside of the screw rod sleeve is provided with a groove corresponding to the fixed ring, and the fixed ring is rotationally connected to the inside of the groove.
[0009] Preferably, the tail end of the screw rod is fixedly connected with a limiting block, and the outside of the screw rod is fixedly connected with an annular gasket, so that extrusion between the limiting block and the fixed block is avoided.
[0010] Preferably, the length of the screw rod is greater than the height of the fixed block, the screw rod is detachably connected to the inside of the screw rod sleeve, and the screw rod can be fixed in the inside of the screw rod sleeve.
[0011] Preferably, the two sides of the fixed shaft are provided with limiting blocks, the inside of the fixed block is provided with a limiting groove corresponding to the limiting blocks, the outside of the fixed plate is provided with a limiting groove corresponding to the limiting blocks, and the limiting blocks are rotationally connected to the inside of the limiting grooves, so that the position between the fixed plate and the fixed block can be fixed by the fixed shaft.
[0012] Beneficial effects:
[0013] 1. The folding ladder convenient to fix, through the cooperation of the pull rod, the screw rod and the screw rod sleeve and other structures, the positions of the left ladder and the right ladder on the same horizontal plane are fixed, and the stability during use of the device is improved.
[0014] 2. The folding ladder convenient to fix, through the cooperation of the fixed shell and the ball and other structures, when the left ladder and the right ladder are at a certain angle with the ground, the fixed shell supports the ground, and the ball moves relative to the fixed shell, so that the left ladder and the right ladder can be in an inclined state, cooperate with the fixed shell adhered to the ground, increase the contact area between the device and the ground, and improve the stability of the device. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structural schematic view of the utility model;
[0016] Figure 2 It is a sectional view structural schematic view of the utility model;
[0017] Figure 3 It is a pull rod structural schematic view of the utility model;
[0018] Figure 4 It is a screw rod structural schematic view of the utility model.
[0019] In the figure: 1, fixed plate; 2, fixed block; 3, fixed shaft; 4, left ladder; 5, right ladder; 6, pull rod; 7, screw sleeve; 8, fixed nut; 9, screw; 10, connecting rod; 11, ball; 12, fixed shell; 13, limiting groove; 14, protective sleeve; 15, limiting plate; 16, fixed ring; 17, groove; 18, limiting block; 19, annular gasket. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0021] Embodiment one
[0022] Please refer to Figures 1-4 A folding ladder convenient to fix, comprising a fixed plate 1, the outside of the fixed plate 1 is provided with a fixed block 2, the both sides of the fixed block 2 are provided with a reserved groove, the inside of the groove is rotatably connected with a fixed shaft 3, the fixed block 2 is provided with two fixed blocks 2 symmetrical about the fixed plate 1, wherein the outside of one of the fixed blocks 2 is fixedly connected with a left ladder 4, the outside of the other fixed block 2 is fixedly connected with a right ladder 5, the inside of the fixed block 2 is provided with a through groove, the inside of the groove is provided with a pull rod 6, the outside of the pull rod 6 is rotatably connected with a screw sleeve 7, the outside of the screw sleeve 7 is fixedly connected with a fixed nut 8, and the inside of the fixed block 2 is provided with a screw 9.
[0023] Wherein, the tail of the left ladder 4 and the right ladder 5 is fixedly connected with a supporting mechanism, and the outside of the supporting mechanism is connected with a protective sleeve 14.
[0024] Wherein, the head of the pull rod 6 is fixedly connected with a limiting plate 15, and the tail of the pull rod 6 is fixedly connected with a fixed ring 16, the inside of the screw sleeve 7 is provided with a groove 17 corresponding to the fixed ring 16, and the fixed ring 16 is rotatably connected in the inside of the groove 17.
[0025] Wherein, the tail of the screw 9 is fixedly connected with a limiting block 18, and the outside of the screw 9 is fixedly connected with an annular gasket 19, and the annular gasket 19 can avoid damage caused by extrusion between the limiting block 18 and the fixed block 2.
[0026] Wherein, the length of the screw 9 is greater than the height of the fixed block 2, the screw 9 is detachably connected in the inside of the screw sleeve 7, and the screw 9 can be fixed in the inside of the screw sleeve 7.
[0027] The two sides of the fixed shaft 3 are provided with limiting blocks, the inside of the fixed block 2 is provided with a limiting groove corresponding to the limiting block, and the outside of the fixed plate 1 is provided with a limiting groove corresponding to the limiting block.
[0028] Working principle: when the folding ladder is used for fixing, two fixed blocks 2 are arranged to cooperate with the pull rod 6, the lead screw 9 and the lead screw sleeve 7 to fix the positions of the left ladder 4 and the right ladder 5 on the same horizontal plane, that is, when the length of the device is needed to be increased, the left ladder 4 and the right ladder 5 are controlled to be on the same horizontal plane, the lead screw 9 away from the lead screw sleeve 7 is gradually controlled to approach the lead screw sleeve 7 and is inserted into the inside of the lead screw sleeve 7, at this time, the fixed nut 8 is rotated to drive the lead screw sleeve 7 to rotate, so that the connection stability between the lead screw 9 and the lead screw sleeve 7 is improved, and the pull rod 6 is abutted to the outside of the left ladder 4, so that the limiting block 18 arranged at the tail of the lead screw 9 abuts the annular gasket 19 to the outside of the right ladder 5, thereby fixing the positions of the left ladder 4 and the right ladder 5, and improving the stability of the device during use.
[0029] Embodiment two
[0030] Please refer to Figures 1-4 Further based on the embodiment one, the supporting mechanism comprises a connecting rod 10, the connecting rod 10 is fixedly connected with the left ladder 4 and the right ladder 5, the tail of the connecting rod 10 is fixedly connected with a ball 11, the outside of the ball 11 is provided with a fixed shell 12, and the inside of the fixed shell 12 is provided with a limiting groove 13 corresponding to the ball 11.
[0031] Working principle: when the folding ladder is used for fixing, the fixed shell 12 and the ball 11 can be used to support the left ladder 4 and the right ladder 5 on the ground when the left ladder 4 and the right ladder 5 are at a certain angle with the ground, the ball 11 moves relative to the fixed shell 12, so that the left ladder 4 and the right ladder 5 can be in an inclined state, cooperate with the fixed shell 12 abutting the ground, increase the contact area between the device and the ground, and improve the stability of the device.
[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A folding ladder that is easy to fix, comprising a fixing plate (1), characterized in that: The fixing plate (1) is provided with a fixing block (2) on the outside, and a reserved groove is provided on both sides of the fixing block (2). The inside of the groove is rotatably connected to a fixed shaft (3). The fixing block (2) is provided with two symmetrical fixing blocks about the fixing plate (1), wherein the outside of one fixing block (2) is fixedly connected to a left ladder (4), and the outside of the other fixing block (2) is fixedly connected to a right ladder (5). The inside of the fixing block (2) is provided with a through groove, and a pull rod (6) is provided inside the groove. The outside of the pull rod (6) is rotatably connected to a screw sleeve (7), and the outside of the screw sleeve (7) is fixedly connected to a fixing nut (8). The inside of the fixing block (2) is provided with a screw (9).
2. A foldable ladder that is easy to fix according to claim 1, characterized in that: The tails of the left ladder (4) and the right ladder (5) are both fixedly connected to a support mechanism, and a protective cover (14) is clamped on the outside of the support mechanism.
3. The foldable ladder that is easy to fix according to claim 2, characterized in that: The support mechanism comprises a connecting rod (10), wherein the connecting rod (10) is fixedly connected to the left ladder (4) and the right ladder (5), and a sphere (11) is fixedly connected to the tail of the connecting rod (10), a fixed shell (12) is provided on the outside of the sphere (11), and a limiting groove (13) corresponding to the sphere (11) is provided on the inside of the fixed shell (12).
4. The foldable ladder that is easy to fix according to claim 1, characterized in that: The head of the pull rod (6) is fixedly connected to the limit plate (15), the tail of the pull rod (6) is fixedly connected to the fixing ring (16), the interior of the screw sleeve (7) is provided with a groove body (17) corresponding to the fixing ring (16), and the fixing ring (16) is rotatably connected to the interior of the groove body (17).
5. The foldable ladder that is easy to fix according to claim 1, characterized in that: The tail of the screw rod (9) is fixedly connected to a limit block (18), and the outside of the screw rod (9) is fixedly connected to an annular gasket (19).
6. The foldable ladder that is easy to fix according to claim 1, characterized in that: The length of the screw rod (9) is greater than the height of the fixed block (2), and the screw rod (9) is detachably connected to the interior of the screw rod sleeve (7).
7. The foldable ladder that is easy to fix according to claim 1, characterized in that: Limiting blocks are provided on both sides of the fixed shaft (3); a limiting groove body corresponding to the limiting block is provided inside the fixed block (2); a limiting groove body corresponding to the limiting block is provided outside the fixed plate (1); and the limiting block is rotatably connected to the inside of the limiting groove body.