Extension ladder with anti-skid effect

Abstract

The utility model belongs to the technical field of extension ladders, and particularly relates to an extension ladder with an anti-skid effect, which comprises a mounting base and a mounting mechanism arranged above the mounting base, and the mounting mechanism comprises a support component; the supporting assembly comprises a sliding groove, a threaded rod, a sliding block, a first rotating shaft, a supporting rod, a second rotating shaft, connecting shafts, a supporting block, a first telescopic ladder rod, a mounting shaft and a rubber plate, and the connecting shafts are mounted on the two sides of the mounting base. Then a supporting block is rotationally connected with a sliding block through a first rotating shaft, a supporting rod and a second rotating shaft, the supporting block rotates along a connecting shaft to work, so that the angle of the extension ladder is adjusted, the extension ladder leans against the surface of a wall, and then a rubber pad fixed to the lower end face of a mounting base is tightly attached to the ground; the supporting stability of the extension ladder is improved, the contact area of the bottom of the extension ladder is increased, and the slipping phenomenon is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of telescopic ladders, in particular to a telescopic ladder with an anti-slip effect. Background Art

[0002] A telescopic ladder is a ladder that can be stretched and shortened like a fishing rod. It is divided into two types: an engineering telescopic ladder and a bamboo telescopic ladder. It is very convenient to carry and store and can be placed in a home closet, study, under a bed or in the trunk of a car.

[0003] However, when the existing telescopic ladder is in use, it is usually close to the surface of the wall at a certain angle, but the contact area between the lower end and the top end of the telescopic ladder and the wall and the ground is small, resulting in poor stability when in use. Therefore, a telescopic ladder with an anti-slip effect is proposed to address the above problem. Utility Model Content

[0004] In order to make up for the shortcomings of the prior art and solve the problem that, when a telescopic ladder is in use, it is usually pressed against the surface of a wall at a certain angle, but the contact area between the lower end and the top end of the telescopic ladder and the wall and the ground is small, resulting in poor stability when in use, the utility model proposes a telescopic ladder with an anti-slip effect.

[0005] The technical solution adopted by the utility model to solve the technical problem is: the telescopic ladder with anti-slip effect described in the utility model comprises a mounting base and a mounting mechanism arranged above the mounting base, and the mounting mechanism comprises a supporting assembly;

[0006] The support assembly includes a slide groove, a threaded rod, a slider, a first rotating shaft, a support rod, a second rotating shaft, a connecting shaft, a support block, a first telescopic ladder rod, a mounting shaft and a rubber plate. Connecting shafts are installed on both sides of the mounting base, a support block is installed on the outer surface of the connecting shaft, the first telescopic ladder rod is installed on the upper end of the support block, the mounting shaft is installed on the top inner wall of the first telescopic ladder rod, the rubber plate is installed on the outer surface of the mounting shaft, a slide groove is provided on the upper end surface of the mounting base, a threaded rod is installed inside the slide groove, a slider is installed on the outer surface of the threaded rod, the first rotating shaft is installed on the upper end surface of the slider, a support rod is installed inside the first rotating shaft, the second rotating shaft is installed on the end of the support rod, and a rubber pad is installed on the lower end surface of the mounting base.

[0007] A limiting groove is provided on the inner wall of the first telescopic ladder rod, a limiting block is installed inside the limiting groove, a second telescopic ladder rod is installed inside the limiting block, a locking bolt is installed inside the second telescopic ladder rod, a tread plate is installed on the inner wall of the second telescopic ladder rod, and an anti-slip bolt is installed on the upper end surface of the tread plate.

[0008] Preferably, the first telescopic ladder rod and the support block are fixedly connected, and the support block forms a rotating structure with the mounting base via a connecting shaft.

[0009] Preferably, the slider forms a sliding structure through a threaded rod and a sliding groove, and the support block forms a rotating structure with the slider through a first rotating shaft, a support rod and a second rotating shaft.

[0010] Preferably, the rubber plate is movably connected via a mounting shaft.

[0011] Preferably, the second telescopic ladder rod is slidably connected to the first telescopic ladder rod via a limiting groove and a limiting block, and the second telescopic ladder rod forms a fixed structure with the first telescopic ladder rod via a locking bolt.

[0012] Preferably, the anti-slip bolts are evenly distributed along the upper end surface of the tread plate, and the anti-slip bolts are in a convex structure.

[0013] The utility model is beneficial in that:

[0014] 1. The utility model realizes the sliding of the slider inside the slide groove by rotating the threaded rod, and then the support block is rotatably connected with the slider through the first rotating shaft, the support rod and the second rotating shaft, and the support block is rotated along the connecting shaft to adjust the angle of the telescopic ladder, and the ladder is leaned against the surface of the wall, and then the rubber pad fixed on the lower end surface of the mounting base is ensured to be close to the ground, so as to improve the stability of the support of the telescopic ladder, increase the contact area of ​​the bottom thereof, and prevent slipping;

[0015] 2. The rubber plate provided in the utility model is rotatably connected to the telescopic ladder through the installation shaft, and the top end of the telescopic ladder is pressed against the wall through the rubber plate to further enhance the stability. Then the anti-skid bolts provided are distributed on the upper end surface of the stepping plate in a convex structure to prevent slipping when stepping on it. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a side view structural schematic diagram of the utility model;

[0019] Figure 3It is a schematic diagram of the internal structure of the mounting base of the utility model.

[0020] In the figure: 1. mounting base; 2. slide groove; 3. threaded rod; 4. slider; 5. first rotating shaft; 6. support rod; 7. second rotating shaft; 8. connecting shaft; 9. support block; 10. first telescopic ladder rod; 11. limit groove; 12. limit block; 13. second telescopic ladder rod; 14. locking bolt; 15. stepping plate; 16. anti-skid bolt; 17. rubber pad; 18. mounting shaft; 19. rubber plate. DETAILED DESCRIPTION

[0021] 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.

[0022] Embodiment 1

[0023] See also Figure 1-3 As shown, a telescopic ladder with anti-slip effect includes a mounting base 1 and a mounting mechanism arranged above the mounting base 1, and the mounting mechanism includes a supporting assembly;

[0024] The supporting assembly includes a slide groove 2, a threaded rod 3, a slider 4, a first rotating shaft 5, a support rod 6, a second rotating shaft 7, a connecting shaft 8, a support block 9, a first telescopic ladder rod 10, a mounting shaft 18 and a rubber plate 19. Connecting shafts 8 are installed on both sides of the mounting base 1, and support blocks 9 are installed on the outer surface of the connecting shaft 8. The first telescopic ladder rod 10 is installed on the upper end of the support block 9, and the mounting shaft 18 is installed on the inner wall of the top end of the first telescopic ladder rod 10. The outer surface of the mounting shaft 18 is installed with a rubber plate 19. The upper end surface of the mounting base 1 is provided with a slide groove 2, and the inside of the slide groove 2 is installed with a slider 4, the outer surface of the threaded rod 3 is installed with the first rotating shaft 5, the upper end surface of the slider 4 is installed with the first rotating shaft 5, the inside of the first rotating shaft 5 is installed with a support rod 6, the end of the support rod 6 is installed with the second rotating shaft 7, and the lower end surface of the mounting base 1 is installed with a rubber pad 17.

[0025] Furthermore, the first telescopic ladder rod 10 and the support block 9 are fixedly connected, the support block 9 forms a rotating structure with the mounting base 1 through the connecting shaft 8, the slider 4 forms a sliding structure with the slide groove 2 through the threaded rod 3, and the support block 9 forms a rotating structure with the slider 4 through the first rotating shaft 5, the support rod 6 and the second rotating shaft 7. By rotating the threaded rod 3, the slider 4 slides inside the slide groove 2, and then the support block 9 is rotationally connected with the slider 4 through the first rotating shaft 5, the support rod 6 and the second rotating shaft 7, and the support block 9 is rotated along the connecting shaft 8, so as to adjust the angle of the telescopic ladder and lean it against the surface of the wall, and then ensure that the rubber pad 17 fixed on the lower end surface of the mounting base 1 is close to the ground, thereby improving the stability of supporting the telescopic ladder, increasing the contact area of ​​its bottom, and preventing slipping.

[0026] Furthermore, the rubber plate 19 is movably connected via the mounting shaft 18, and the rubber plate 19 is rotationally connected to the telescopic ladder via the mounting shaft 18, so that the top of the telescopic ladder is pressed against the wall via the rubber plate 19, thereby further enhancing stability.

[0027] Embodiment 2

[0028] See also Figure 1 and Figure 3 As shown, in comparison with Example 1, as another implementation of the utility model, a limiting groove 11 is provided on the inner wall of the first telescopic ladder rod 10, a limiting block 12 is installed inside the limiting groove 11, a second telescopic ladder rod 13 is installed inside the limiting block 12, a locking bolt 14 is installed inside the telescopic second telescopic ladder rod 13, a tread plate 15 is installed on the inner wall of the second telescopic ladder rod 13, and an anti-slip bolt 16 is installed on the upper end surface of the tread plate 15.

[0029] Furthermore, the second telescopic ladder rod 13 is slidably connected to the first telescopic ladder rod 10 through the limit groove 11 and the limit block 12, and the second telescopic ladder rod 13 forms a fixed structure with the first telescopic ladder rod 10 through the locking bolt 14. The second telescopic ladder rod 13 is slidably connected to the first telescopic ladder rod 10 through the limit groove 11 and the limit block 12, and then the locking bolt 14 is rotated to operate the equipment.

[0030] Furthermore, the anti-skid bolts 16 are evenly distributed along the upper end surface of the pedal board 15, and the anti-skid bolts 16 are convex structures. The anti-skid bolts 16 are arranged in a convex structure distributed on the upper end surface of the pedal board 15 to prevent slipping when stepping on it.

[0031] Working principle, first, by rotating the threaded rod 3, the slider 4 is made to slide inside the slide groove 2, and then the support block 9 is rotationally connected to the slider 4 through the first rotating shaft 5, the support rod 6 and the second rotating shaft 7, and the support block 9 is rotated along the connecting shaft 8, so as to adjust the angle of the telescopic ladder and lean it against the surface of the wall, and then ensure that the rubber pad 17 fixed on the lower end face of the mounting base 1 is close to the ground, so as to improve the stability of supporting the telescopic ladder, increase the contact area of ​​its bottom, and prevent slipping, and then the rubber plate 19 is rotationally connected to the telescopic ladder through the mounting shaft 18, and the top of the telescopic ladder is pressed against the wall through the rubber plate 19, so as to further enhance the stability, and then the anti-skid bolt 16 is distributed on the upper end face of the step plate 15 in a convex structure, so as to prevent slipping when stepping on it.

[0032] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A telescopic ladder with an anti-slip effect, comprising a mounting base (1) and a mounting mechanism arranged above the mounting base (1), characterized in that: The mounting mechanism includes a support assembly; The support assembly comprises a slide groove (2), a threaded rod (3), a slider (4), a first rotating shaft (5), a support rod (6), a second rotating shaft (7), a connecting shaft (8), a support block (9), a first telescopic ladder rod (10), a mounting shaft (18) and a rubber plate (19); connecting shafts (8) are mounted on both sides of the mounting base (1); a support block (9) is mounted on the outer surface of the connecting shaft (8); the first telescopic ladder rod (10) is mounted on the upper end of the support block (9); and a mounting plate (19) is mounted on the inner wall of the top end of the first telescopic ladder rod (10). A shaft (18) is installed, a rubber plate (19) is installed on the outer surface of the installation shaft (18), a slide groove (2) is opened on the upper end surface of the installation base (1), a threaded rod (3) is installed inside the slide groove (2), a slider (4) is installed on the outer surface of the threaded rod (3), a first rotating shaft (5) is installed on the upper end surface of the slider (4), a support rod (6) is installed inside the first rotating shaft (5), a second rotating shaft (7) is installed at the end of the support rod (6), and a rubber pad (17) is installed on the lower end surface of the installation base (1).

2. The telescopic ladder with anti-slip effect according to claim 1, characterized in that: A limiting groove (11) is provided on the inner wall of the first telescopic ladder rod (10), a limiting block (12) is installed inside the limiting groove (11), a second telescopic ladder rod (13) is installed inside the limiting block (12), a locking bolt (14) is installed inside the second telescopic ladder rod (13), a step plate (15) is installed on the inner wall of the second telescopic ladder rod (13), and an anti-slip bolt (16) is installed on the upper end surface of the step plate (15).

3. The telescopic ladder with anti-slip effect according to claim 1, characterized in that: The first telescopic ladder rod (10) and the support block (9) are fixedly connected, and the support block (9) forms a rotating structure with the mounting base (1) via a connecting shaft (8).

4. The telescopic ladder with anti-slip effect according to claim 1, characterized in that: The slider (4) forms a sliding structure with the threaded rod (3) and the slide groove (2), and the support block (9) forms a rotating structure with the slider (4) with the first rotating shaft (5), the support rod (6) and the second rotating shaft (7).

5. The telescopic ladder with anti-slip effect according to claim 1, characterized in that: The rubber plate (19) is movably connected via the mounting shaft (18).

6. The telescopic ladder with anti-slip effect according to claim 2, characterized in that: The second telescopic ladder rod (13) is slidably connected to the first telescopic ladder rod (10) via a limiting groove (11) and a limiting block (12); the second telescopic ladder rod (13) forms a fixed structure with the first telescopic ladder rod (10) via a locking bolt (14).

7. The telescopic ladder with anti-slip effect according to claim 2, characterized in that: The anti-skid bolts (16) are evenly distributed along the upper end surface of the tread plate (15), and the anti-skid bolts (16) are in a convex structure.

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