CN220645805U

CN220645805U - Portable extension ladder

Info

Publication number: CN220645805U
Application number: CN202321611287.2U
Authority: CN
Inventors: 郑春景
Original assignee: Zhongyinglian Technology Shanghai Co ltd
Current assignee: Zhongyinglian Technology Shanghai Co ltd
Priority date: 2023-06-21
Filing date: 2023-06-21
Publication date: 2024-03-22
Anticipated expiration: 2033-06-21

Abstract

The utility model discloses a portable telescopic ladder, which comprises a base, wherein a telescopic ladder body is arranged at the top of the base, a workbench is arranged at the top end of the telescopic ladder body, supporting plates are arranged at two sides of the base, two mounting frames are vertically connected to the tops of the two supporting plates, electric telescopic rods are vertically connected to the bottom end surfaces of top plates of the four mounting frames, connecting plates are correspondingly arranged at the moving ends of the four electric telescopic rods in pairs, and convex blocks are vertically connected to two sides of the bottom end surfaces of the two connecting plates. Under the cooperation of baffle and torsional spring, the unexpected blotter that falls of constructor passes through the blotter at first and buffers constructor to promote two baffles to the outside, drive the connecting axle and rotate on the fixed block, further fall the constructor under the effect of torsional spring this moment and protect, and then increased the security of this device, reduced constructor's the degree of being gone up.

Description

Portable extension ladder

Technical Field

The utility model relates to the technical field of extension ladders, in particular to a portable extension ladder.

Background

Film studio, theatre are the sites for showing movies to spectators. Movies are shown in the cafes, tea houses, etc. at the beginning of their production. With the progress and development of movies, a cinema specially built for showing the movies appears, in the process of setting up the cinema, a telescopic ladder is needed for decoration or equipment installation at a high place, a worker works the telescopic ladder to install high-place equipment, the telescopic ladder is jacked up by a hydraulic telescopic rod, and a constructor installs the telescopic ladder through the telescopic ladder;

in the prior art, after the telescopic ladder is telescopic through the hydraulic telescopic rod, constructors are installed on the telescopic ladder through high-altitude equipment, but the existing telescopic ladder is not provided with a protective structure, so that the constructors are difficult to fall down and buffer when falling down accidentally on the telescopic ladder, and the safety of use is reduced.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a portable telescopic ladder.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a portable extension ladder, includes the base, the extension ladder body is installed at the top of base, the workstation is installed on the top of extension ladder body, the backup pad is all installed to the both sides of base, two the backup pad top is all vertical to be connected with two mounting brackets, four the bottom surface of mounting bracket roof is all vertical to be connected with electric telescopic handle, four electric telescopic handle's removal end is two liang corresponds and all installs the connecting plate, two the both sides of connecting plate bottom surface are all vertical to be connected with the convex piece, four the slipmat is all installed to the bottom of convex piece, two the equal horizontal connection of top surface of mounting bracket has the fixed block, two the connecting axle is all vertically rotated to one side that the fixed block corresponds, two the both ends of connecting axle are connected with the baffle, two all vertical to be connected with the torsional spring between baffle and the corresponding fixed block, and two the blotter is all installed to one side of baffle.

Preferably, both sides of the two supporting plates are provided with sliding grooves, and the top ends of the two convex blocks are vertically and slidably arranged in the corresponding sliding grooves respectively.

Preferably, the pushing blocks are arranged at the tops of the corresponding sides of the two baffles, and universal wheels are arranged at four corners of the bottom of the base.

Preferably, the two torsion springs are respectively movably sleeved on the corresponding connecting shafts, and the two buffer pads are positioned on one side close to the telescopic ladder body.

Preferably, the anti-skid pad and the buffer pad are rubber pads, and an arc-shaped groove is formed in the bottom of the anti-skid pad.

Preferably, the mounting frame is in an inverted L shape, and the electric telescopic rods and the fixed blocks are respectively positioned on two sides of the top plate of the mounting frame.

The utility model has the following beneficial effects:

1. under the cooperation of baffle and torsional spring, the unexpected blotter that falls of constructor passes through the blotter at first and buffers constructor to promote two baffles to the outside, drive the connecting axle and rotate on the fixed block, further fall the constructor under the effect of torsional spring this moment and protect, and then increased the security of this device, reduced constructor's the degree of being gone up.

2. Under the cooperation of slipmat and convex piece, start four electric telescopic handle and promote two connecting plates that correspond respectively to the bottom and remove to the bottom, drive four convex pieces and remove this moment, it is spacing to this device through the bottom of four convex pieces, and the slipmat that cooperates increases the antiskid nature, and then can increase this device in the contact surface with ground in the in-process of using, prevent to take place to remove when using.

Drawings

Fig. 1 is a schematic perspective view of a portable telescopic ladder according to the present utility model;

fig. 2 is a schematic rear view of a portable telescopic ladder according to the present utility model;

fig. 3 is a schematic diagram of an explosion structure at the joint of the base and the mounting frame of the portable extension ladder according to the present utility model;

fig. 4 is a schematic rear view of a connection part between a mounting frame and a baffle of a portable telescopic ladder according to the present utility model.

In the figure: 1. a base; 101. a universal wheel; 2. a telescopic ladder body; 3. a work table; 4. a mounting frame; 5. an electric telescopic rod; 6. a connecting plate; 7. a male block; 8. an anti-slip pad; 9. a fixed block; 10. a connecting shaft; 11. a baffle; 1101. a pushing block; 12. a torsion spring; 13. a cushion pad; 14. and a support plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a portable extension ladder, the on-line screen storage device comprises a base 1, extension ladder body 2 is installed at the top of base 1, workstation 3 is installed on the top of extension ladder body 2, backup pad 14 is all installed to the both sides of base 1, two backup pad 14 top is all vertical to be connected with two mounting brackets 4, four the bottom end face of mounting bracket 4 roof is all vertical to be connected with electric telescopic handle 5, four electric telescopic handle 5's removal end corresponds all installs connecting plate 6, two the both sides of connecting plate 6 bottom end face are all vertical to be connected with convex block 7, four the slipmat 8 is all installed to the bottom of convex block 7, two the equal horizontal connection of top end face of mounting bracket 4 has fixed block 9, two the equal vertical rotation in one side that fixed block 9 corresponds installs connecting axle 10, two the both ends of connecting axle 10 are connected with baffle 11, two all vertical being connected with torsional spring 12 between baffle 11 and the corresponding fixed block 9, and two one side of baffle 11 is all installed 13.

Specifically, both sides of the two supporting plates 14 are provided with sliding grooves, and the top ends of the two convex blocks 7 are vertically and slidably installed in the corresponding sliding grooves respectively.

Specifically, two the ejector pad 1101 is all installed at the top that baffle 11 corresponds one side, universal wheel 101 is all installed at four corners of base 1 bottom, can be convenient for the rotation to two baffles 11 through the ejector pad 1101 that sets up, can be convenient for the removal to this device through the universal wheel 101 that sets up, increases the convenience of this device.

Specifically, the two torsion springs 12 are movably sleeved on the corresponding connecting shafts 10 respectively, and the two buffer pads 13 are positioned on one side close to the telescopic ladder body 2.

Specifically, the anti-slip pad 8 and the cushion pad 13 are rubber pads, and an arc-shaped groove is formed in the bottom of the anti-slip pad 8.

Specifically, the mounting frame 4 is in an inverted L shape, and the electric telescopic rod 5 and the fixed block 9 are respectively positioned at two sides of the top plate of the mounting frame 4.

The application method and the advantages of the utility model are as follows: the working process of the portable telescopic ladder when in use is as follows:

in the utility model, as shown in fig. 1-4, when the device is used, after the device is moved to a construction position through universal wheels 101, four electric telescopic rods 5 are started to respectively push two corresponding connecting plates 6 to move to the bottom, at the moment, four convex blocks 7 are driven to move, the device is limited through the bottoms of the four convex blocks 7, and the anti-skid performance is increased by matching with anti-skid pads 8, so that the contact surface between the device and the ground in the use process can be increased, the device is prevented from moving in use, at the moment, after a user rotates two baffle plates 11 outwards through push blocks 1101, the workbench 3 is lifted up through a telescopic ladder body 2 and is constructed, at the moment, under the action of the two baffle plates 11, the constructor accidentally falls down to buffer the constructor through a buffer pad 13, and pushes the two baffle plates 11 outwards, the connecting shaft 10 is driven to rotate on a fixed block 9, at the moment, the constructor falls down under the action of a torsion spring 12, the safety of the device is further increased, and the degree of the constructor is reduced.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a portable extension ladder, includes base (1), its characterized in that, extension ladder body (2) are installed at the top of base (1), workstation (3) are installed on the top of extension ladder body (2), backup pad (14) are all installed on the both sides of base (1), two backup pad (14) top is all vertically connected with two mounting brackets (4), four the bottom end face of mounting bracket (4) roof is all vertically connected with electric telescopic handle (5), four electric telescopic handle's (5) remove the end every two and correspond and all install connecting plate (6), two the both sides of connecting plate (6) bottom end face are all vertically connected with convex block (7), four the bottom of convex block (7) is all installed slipmat (8), two equal horizontal connection of top face of mounting bracket (4) has fixed block (9), two one side that fixed block (9) corresponds is all vertically rotated and is installed connecting axle (10), two connecting axle (10) both ends are connected with baffle (11), two the baffle (11) are all installed with the baffle (13) of two corresponding between baffle (11).

2. A portable extension ladder according to claim 1, characterized in that both sides of two support plates (14) are provided with sliding grooves, and the top ends of two convex blocks (7) are vertically and slidably mounted in the corresponding sliding grooves.

3. A portable extension ladder according to claim 1, characterized in that push blocks (1101) are mounted on the tops of the corresponding sides of the two baffles (11), and universal wheels (101) are mounted on the four corners of the bottom of the base (1).

4. A portable extension ladder according to claim 1, characterized in that two torsion springs (12) are movably sleeved on the corresponding connecting shafts (10), respectively, and that two cushioning pads (13) are located on the side close to the extension ladder body (2).

5. The portable telescopic ladder according to claim 1, wherein the anti-slip pad (8) and the buffer pad (13) are rubber pads, and an arc-shaped groove is formed in the bottom of the anti-slip pad (8).

6. The portable telescopic ladder according to claim 1, wherein the mounting frame (4) is in an inverted L shape, and the electric telescopic rod (5) and the fixing block (9) are respectively located at two sides of the top plate of the mounting frame (4).