Aluminum ladder convenient to store

Abstract

The utility model provides an aluminum ladder convenient to store, belongs to the technical field of aluminum ladders, and aims to solve the problem that ladder feet cannot be perfectly attached to the ground when the gradient of a ladder frame is adjusted due to the fact that a ladder often needs to occupy a relatively large storage space. Comprising a frame; the two sets of frames are arranged, and connecting shafts are rotationally arranged in the frames. First ladder assembly structures are fixedly arranged on the outer side of the connecting shaft, second ladder assembly structures are slidably arranged on the outer sides of the first ladder assembly structures, and the four first ladder assembly structures and the four second ladder assembly structures are symmetrically arranged; a control assembly is fixedly arranged on the outer side of the second ladder assembly structure; a threaded rod, a guide rod and an auxiliary plate are arranged, so that a sliding plate can drive a fluted disc B to horizontally move when the threaded rod is rotated; the meshing condition of the fluted disc A and the fluted disc B can be controlled, and then the inclination angle of the fixing column can be controlled; and the fixing columns can be telescopically folded, so that the storage effect of the aluminum ladder is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to aluminum ladder technical field, more specifically, especially relate to a convenient to store's aluminum ladder. BACKGROUND

[0002] Aluminum ladder is a kind of ladder made of high-strength aluminum alloy profile;As a common tool, it is widely used in various scenes such as climbing operation, home decoration, goods access, etc.

[0003] Traditional aluminum ladder, whether straight ladder or folding ladder, has the problem of large space occupation;When not in use, these ladders often need to occupy a large storage space, which undoubtedly constitutes a significant challenge to the effective use of space and the flexibility of layout for the family environment or compact work environment with tight space resources;And the current market aluminum ladder, the slope design at the bottom of the ladder foot often adopts a fixed inclination angle, which may cause the ladder foot to be unable to perfectly fit the ground when adjusting the inclination of the ladder frame to adapt to different operation requirements, thereby causing the problem of insufficient stability. SUMMARY

[0004] To solve the above technical problems, the utility model provides a kind of aluminum ladder convenient to store to solve the problem that ladder often needs to occupy larger storage space in the background art, and the ladder foot may not be perfectly fitted with the ground when adjusting the inclination of the ladder frame.

[0005] The utility model relates to a kind of aluminum ladder convenient to store, which is achieved by the following specific technical means:

[0006] A kind of aluminum ladder convenient to store, including frame;The frame is provided with two groups, and the connecting shaft is rotationally arranged in the frame, and the connecting shaft is symmetrically provided with four groups;The top of the connecting shaft is fixedly provided with a gear disc A, and the outer side of the gear disc A is fixedly provided with a guide rod;The outer side of the guide rod is rotationally provided with an auxiliary plate, and the screw rod is rotationally arranged between the auxiliary plate and the frame, and the top of the screw rod is fixedly provided with a knob;

[0007] The outer side of the connecting shaft is fixedly provided with a first ladder frame structure, and the outer side of the first ladder frame structure is slidably provided with a second ladder frame structure, and the first ladder frame structure and the second ladder frame structure are symmetrically provided with four places;The outer side of the second ladder frame structure is fixedly provided with a control assembly, and the control assembly is symmetrically provided with two places.

[0008] In at least some embodiments, the outer side of the screw rod is provided with a sliding plate through threaded connection, and the outer side of the sliding plate is fixedly provided with a gear disc B;The gear disc B and the sliding plate are movably arranged on the outer side of the guide rod, and the gear disc B is engaged with the gear disc A.

[0009] In at least some embodiments, the first ladder frame structure comprises: a fixed seat, a fixed column, a blocking ring, a fixed block and a ladder step A; the fixed seat is fixedly arranged outside the connecting shaft; the fixed column is fixedly arranged outside the fixed seat, and the fixed column and the fixed seat are symmetrically arranged with four groups; the blocking ring is fixedly arranged outside the end of the fixed column; the fixed block is fixedly arranged inside one side of the fixed column in a straight line arrangement, and the fixed block is arranged in a right triangle; and the ladder step A is fixedly arranged between the ends of the two groups of fixed columns.

[0010] In at least some embodiments, the second ladder frame structure comprises: a sliding column, a ladder step B, a fixed shaft, a fixed disc and a lead screw; the sliding column is slidingly arranged between the outside of the fixed column and the blocking ring, and the sliding column is symmetrically arranged with four groups; the ladder step B is fixedly arranged between the two groups of sliding columns; the fixed shaft is fixedly arranged outside the bottom end of the sliding column; the fixed disc is fixedly arranged outside the end of the fixed shaft; the lead screw is threadedly connected inside the fixed disc, and the top end of the lead screw is fixedly provided with a knob.

[0011] In at least some embodiments, the second ladder frame structure further comprises: a ladder foot, a circular hole and an anti-skid strip; the ladder foot is rotatably arranged outside the fixed shaft; the circular hole is opened inside one side of the ladder foot in an annular array, and the lead screw is movably arranged inside the circular hole; and the anti-skid strip is fixedly arranged at the bottom of the ladder foot in a straight line arrangement, and the anti-skid strip is arranged in an S shape.

[0012] In at least some embodiments, the control assembly comprises: a ladder step frame, a sliding block, a positioning block and a control block; the ladder step frame is fixedly arranged between the top of the two groups of sliding columns; the sliding block is slidingly arranged between the inside of the ladder step frame and the sliding column, and a spring member is arranged between the sliding block and the inside of the ladder step frame; the positioning block is fixedly arranged outside the sliding block and slidingly arranged inside the ladder step frame, and the positioning block is arranged in an annular shape; the control block is fixedly arranged outside the sliding block and arranged in a right triangle; the control block is arranged in a straight line arrangement, and the oblique edge of the control block is attached to the oblique edge of the fixed block.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1、In the utility model, spring member and sliding block are arranged; when the sliding column or the fixed column is pulled, the control block is automatically opened outward by using the slope plate; when the sliding column or the fixed column stops sliding, the spring member drives the control block to reset through the sliding block, so that the oblique edge of the control block is always attached to the oblique edge of the fixed block; and the right angle edge of the control block can be used to prevent the fixed column from retracting into the sliding column; when the control block is pulled into the ladder step frame by the positioning block and the sliding block, the fixed column can be retracted into the sliding column; and the extension and contraction between the sliding column and the fixed column can be conveniently controlled.

[0015] 2、In the utility model, through being provided with the threaded rod, the guide rod and the auxiliary plate, when the threaded rod rotates, the sliding plate can drive the toothed disc B to move horizontally, the meshing condition of the toothed disc A and the toothed disc B can be controlled, and then the inclination angle of the fixed column can be controlled, which is favorable for telescopic folding of the fixed column, and the storage effect of the aluminum ladder is enhanced.

[0016] 3、In the utility model, through the control of the inclination angle of the fixed column, the ladder can be switched between the ladder jack and the straight ladder at will, through being provided with the screw rod, the fixed disc and the round hole, the angle of the ladder foot can be adjusted, and then according to the inclination angle of the sliding column, the bottom of the ladder foot can be always attached to the ground, and the stability of the ladder is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall structure schematic view of the utility model.

[0018] Figure 2 It is the structure schematic view of the fixed column and the sliding column in the ladder jack posture of the utility model.

[0019] Figure 3 It is the flat structure schematic view of the fixed column and the sliding column of the utility model.

[0020] Figure 4 It is the structure schematic view of the sliding column of the utility model.

[0021] Figure 5 It is the lower surface structure schematic view of the ladder foot of the utility model.

[0022] Figure 6 It is the sectional structure schematic view of the ladder step frame of the utility model.

[0023] Figure 7 It is the structure schematic view of the first ladder frame structure of the utility model.

[0024] Figure 8 It is the sectional structure schematic view of the fixed column of the utility model.

[0025] Figure 9 It is the meshing structure schematic view of the toothed disc A and the toothed disc B of the utility model.

[0026] In the drawing, the corresponding relationship of component name and drawing number is:

[0027] 1, frame; 101, connecting shaft; 102, toothed disc A; 103, guide rod; 104, auxiliary plate; 105, threaded rod; 106, sliding plate; 107, toothed disc B;

[0028] 2, first ladder frame structure; 201, fixed seat; 202, fixed column; 203, retaining ring; 204, fixed block; 205, ladder step A;

[0029] 3, the second ladder frame structure; 301, the sliding column; 302, the step B; 303, the fixed shaft; 304, the fixed disc; 305, the screw rod; 306, the ladder foot; 307, the round hole; 308, the anti-skid bar;

[0030] 4, the control assembly; 401, the step frame; 402, the sliding block; 403, the positioning block; 404, the control block. DETAILED DESCRIPTION

[0031] The embodiments of the utility model will be further described in detail below with reference to the drawings and examples.

[0032] Example one:

[0033] As shown in the accompanying Figure 1 to the accompanying Figure 9 As shown:

[0034] The utility model provides a kind of aluminium ladder of convenient storage, including frame 1;Frame 1 is provided with two groups, and frame 1 inside rotationally arranged has connecting shaft 101, and connecting shaft 101 is symmetrically provided with four groups;Connecting shaft 101 top is fixedly provided with gear disc A 102, and gear disc A 102 outside is fixedly provided with guide rod 103;Guide rod 103 outside rotationally arranged has auxiliary plate 104, and auxiliary plate 104 is rotationally arranged with the screw rod 105 between frame 1 inside, and the top of screw rod 105 is fixedly provided with knob;

[0035] In the embodiment of the present disclosure, the first ladder frame structure 2 is fixedly arranged outside the connecting shaft 101, the second ladder frame structure 3 is slidably arranged outside the first ladder frame structure 2, and the first ladder frame structure 2 and the second ladder frame structure 3 are both symmetrically arranged in four places. The control assembly 4 is fixedly arranged outside the second ladder frame structure 3, and the control assembly 4 is symmetrically arranged in two places. The sliding plate 106 is threadedly connected to the outside of the screw rod 105, and the gear disc B 107 is fixedly arranged outside the sliding plate 106. The gear disc B 107 and the sliding plate 106 are both movably arranged outside the guide rod 103, and the gear disc B 107 is engaged with the gear disc A 102. The specific function is that: by arranging the screw rod 105, the guide rod 103 and the auxiliary plate 104, the sliding plate 106 can drive the gear disc B 107 to move horizontally when the screw rod 105 is rotated. The engagement of the gear disc A 102 and the gear disc B 107 can be controlled, and thus the inclination angle of the fixed column 202 can be controlled.

[0036] Example two:

[0037] As shown in the accompanying Figure 6 to the accompanying Figure 8As shown: on the basis of example one, the first ladder frame structure 2 comprises: fixed seat 201, fixed column 202, retaining ring 203, fixed block 204 and ladder A 205; the fixed seat 201 is fixedly arranged outside the connecting shaft 101; the fixed column 202 is fixedly arranged outside the fixed seat 201, and the fixed column 202 and the fixed seat 201 are symmetrically arranged with four groups; the retaining ring 203 is fixedly arranged outside the end portion of the fixed column 202; the fixed block 204 is fixedly arranged inside one side of the fixed column 202 in a straight line arrangement, and the fixed block 204 is arranged as a right triangle; the ladder A 205 is fixedly arranged between the end portions of the two groups of fixed columns 202; the control assembly 4 comprises: ladder frame 401, sliding block 402, positioning block 403 and control block 404; the ladder frame 401 is fixedly arranged between the top portions of the two groups of sliding columns 301; the sliding block 402 is slidingly arranged between the inside of the ladder frame 401 and the sliding column 301, and a spring member is arranged between the sliding block 402 and the inside of the ladder frame 401; the positioning block 403 is fixedly arranged outside the sliding block 402, and the positioning block 403 is slidingly arranged inside the ladder frame 401, and the positioning block 403 is arranged as an annular shape; the control block 404 is fixedly arranged outside the sliding block 402, and the control block 404 is arranged as a right triangle; the control block 404 is arranged in a straight line arrangement, and the hypotenuse of the control block 404 is in contact with the hypotenuse of the fixed block 204; the specific action is: by arranging the spring member and the sliding block 402; when the sliding column 301 or the fixed column 202 is pulled, the control block 404 automatically pops outwards by using its own inclined plate; when the sliding column 301 or the fixed column 202 stops sliding, the spring member drives the control block 404 to reset through the sliding block 402, so that the hypotenuse of the control block 404 is always in contact with the hypotenuse of the fixed block 204; and the right angle edge of the control block 404 can be used to prevent the fixed column 202 from retracting into the inside of the sliding column 301.

[0038] Example three:

[0039] As shown in the accompanying Figure 4 and the accompanying Figure 5As shown: on the basis of example one and example two, the second ladder frame structure 3 comprises: sliding column 301, ladder step B 302, fixed shaft 303, fixed disc 304, lead screw 305, ladder foot 306, round hole 307 and anti-skid strip 308; the sliding column 301 is slidingly arranged between the outside of the fixed column 202 and the blocking ring 203, and the sliding column 301 is symmetrically arranged with four groups; the ladder step B 302 is fixedly arranged between the two groups of sliding columns 301; the fixed shaft 303 is fixedly arranged at the bottom end outside of the sliding column 301; the fixed disc 304 is fixedly arranged at the end outside of the fixed shaft 303; the lead screw 305 is threadedly connected and arranged inside the fixed disc 304, and the top end of the lead screw 305 is fixedly provided with a knob; the ladder foot 306 is rotatably arranged outside the fixed shaft 303; the round hole 307 is opened inside one side of the ladder foot 306, and the round hole 307 is arranged in an annular array, and the lead screw 305 is movably arranged inside the round hole 307; the anti-skid strip 308 is fixedly arranged in a straight line at the bottom of the ladder foot 306, and the anti-skid strip 308 is arranged in an S shape; the specific function is: by arranging the lead screw 305, the fixed disc 304 and the round hole 307, the angle of the ladder foot 306 can be adjusted, so that the bottom of the ladder foot 306 can always be in close contact with the ground according to the inclination angle of the sliding column 301.

[0040] The specific use and effect of the embodiment are as follows:

[0041] The utility model discloses a telescopic folding operation can be carried out to the aluminium ladder, and the aluminium ladder can be used as the ladder or the ladder, and the occupied space is reduced, and the utility is high.

Claims

1. An aluminum ladder that is easy to store, characterized in that, include: Frame (1); The frame (1) is provided with two sets, and a connecting shaft (101) is rotatably provided inside the frame (1), and four sets of connecting shafts (101) are symmetrically provided; a gear plate A (102) is fixedly provided at the top of the connecting shaft (101), and a guide rod (103) is fixedly provided on the outside of the gear plate A (102); an auxiliary plate (104) is rotatably provided on the outside of the guide rod (103), and a threaded rod (105) is rotatably provided between the auxiliary plate (104) and the inside of the frame (1), and a knob is fixedly provided at the top of the threaded rod (105); A first ladder structure (2) is fixedly provided on the outside of the connecting shaft (101), and a second ladder structure (3) is slidably provided on the outside of the first ladder structure (2), and the first ladder structure (2) and the second ladder structure (3) are symmetrically arranged in four places; a control component (4) is fixedly provided on the outside of the second ladder structure (3), and the control component (4) is symmetrically arranged in two places.

2. The aluminum ladder that is easy to store according to claim 1, characterized in that: A sliding plate (106) is provided on the outside of the threaded rod (105) by a threaded connection, and a gear plate B (107) is fixedly provided on the outside of the sliding plate (106); both the gear plate B (107) and the sliding plate (106) are movably provided on the outside of the guide rod (103), and the gear plate B (107) meshes with the gear plate A (102).

3. The aluminum ladder that is easy to store according to claim 1, characterized in that: The first ladder frame structure (2) includes: a fixed seat (201), a fixed column (202), a retaining ring (203), a fixed block (204), and a step A (205); the fixed seat (201) is fixedly disposed on the outside of the connecting shaft (101); the fixed column (202) is fixedly disposed on the outside of the fixed seat (201), and the fixed column (202) and the fixed seat (201) are symmetrically arranged in four sets; the retaining ring (203) is fixedly disposed on the outside of the end of the fixed column (202); the fixed block (204) is fixedly disposed in a straight line inside one side of the fixed column (202), and the fixed block (204) is set as a right triangle; the step A (205) is fixedly disposed between the ends of the two sets of fixed columns (202).

4. The aluminum ladder that is easy to store according to claim 3, characterized in that: The second ladder structure (3) includes: a sliding column (301), a step B (302), a fixed shaft (303), a fixed plate (304), and a screw rod (305); the sliding column (301) is slidably disposed between the fixed column (202) and the outer side of the retaining ring (203), and four sets of sliding columns (301) are symmetrically disposed; the step B (302) is fixedly disposed between two sets of sliding columns (301); the fixed shaft (303) is fixedly disposed on the outer side of the bottom end of the sliding column (301); the fixed plate (304) is fixedly disposed on the outer side of the end of the fixed shaft (303); the screw rod (305) is disposed inside the fixed plate (304) by threaded connection, and a knob is fixedly disposed at the top of the screw rod (305).

5. The aluminum ladder that is easy to store according to claim 4, characterized in that: The second ladder structure (3) further includes: ladder feet (306), round holes (307) and anti-slip strips (308); the ladder feet (306) are rotatably disposed on the outside of the fixed shaft (303); the round holes (307) are opened inside one side of the ladder feet (306), and the round holes (307) are arranged in a ring array, and a lead screw (305) is movably disposed inside the round holes (307); the anti-slip strips (308) are fixedly disposed at the bottom of the ladder feet (306) in a straight line arrangement, and the anti-slip strips (308) are set in an S-shape.

6. The aluminum ladder that is easy to store according to claim 4, characterized in that: The control component (4) includes: a ladder frame (401), a sliding block (402), a positioning block (403), and a control block (404); the ladder frame (401) is fixedly disposed between the tops of two sets of sliding columns (301); the sliding block (402) is slidably disposed between the ladder frame (401) and the interior of the sliding column (301), and a spring is provided between the sliding block (402) and the interior of the ladder frame (401); the positioning block (403) is fixedly disposed outside the sliding block (402), and the positioning block (403) is slidably disposed inside the ladder frame (401), and the positioning block (403) is configured as a ring; the control block (404) is fixedly disposed outside the sliding block (402), and the control block (404) is configured as a right triangle; the control blocks (404) are arranged in a straight line, and the hypotenuse of the control block (404) is in contact with the hypotenuse of the fixed block (204).

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