CN216075995U

CN216075995U - Loft lifting telescopic stair platform

Info

Publication number: CN216075995U
Application number: CN202220362498.6U
Authority: CN
Inventors: 李宏伟
Original assignee: Henan Zhenkali Food Co ltd
Current assignee: Henan Zhenkali Food Co ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-03-18
Anticipated expiration: 2032-02-23

Abstract

The utility model discloses an attic lifting telescopic stair platform which comprises a top frame, a U-shaped frame, scissor arms, a carrying box, a back support mechanism and a winding drum, wherein the scissor arms are arranged between the top frame and the carrying box; the utility model has safe and reliable structural design and flexible installation position, is not limited by the condition of whether the platform is tightly attached to the wall surface or not, does not need to install a lifting guide rail, saves the space of the wall surface, can be horizontal to a bottom layer ceiling after the platform is folded, does not occupy indoor space, and improves the indoor attractiveness.

Description

Loft lifting telescopic stair platform

Technical Field

The utility model relates to the technical field of manned or cargo-carrying telescopic stairs, in particular to a loft lifting telescopic stair platform.

Background

The loft lifting telescopic stair platform is used as a vertical traffic member between floors in a building, is used for traffic communication between floors, and can realize lifting and transportation of people and goods between floors; the telescopic stair platform is quite widely applied and is used for manufacturing, assembling, maintaining, cleaning, maintaining, temporarily constructing and the like in scenes such as industrial plants, public places, families and the like. The guide rail needs to be installed on the wall in the existing indoor telescopic stairway, the existing indoor telescopic stairway is limited by the conditions of the wall surface, the installation is not flexible enough, the indoor space is occupied, the influence is attractive, the consumption of guide rail type stairways is large, the production cost is high, and only the stair platform vertically ascends and descends by means of a steel wire rope, the swinging amplitude is large in the ascending and descending process, the structure is not firm, certain use safety risks exist, the requirement in actual use cannot be met, so that the technology capable of being improved is urgently needed in the market, and the problems are solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the existing defects and provides an attic lifting telescopic stair platform which is safe and reliable in structural design, flexible in mounting position, free of mounting of guide rails and limited by the condition of whether the platform is tightly attached to a wall surface, saves the space of the wall surface, can be horizontal to a bottom ceiling after being folded, does not occupy indoor space, improves indoor attractiveness and can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a loft lift telescopic stair platform, includes roof-rack, U-shaped frame, cuts the fork arm, takes advantage of and carries case, back supporting mechanism and reel, cut the fork arm setting and between roof-rack and the case of taking advantage of, the bottom surface four corners of taking advantage of and carrying the case is provided with the guide pulley frame, is provided with the leading wheel on the guide pulley frame, and the reel setting is at the bottom surface center of taking advantage of and carrying the case, and the one end of fixedly connected with haulage rope on the reel, the other end of haulage rope are walked around leading wheel and roof-rack fixed connection, the U-shaped frame sets up between roof-rack and the case of taking advantage of, is provided with the spout on the outside limit of U-shaped frame, and a joint department of cutting the fork arm rotates with the one end of U-shaped frame to be connected, cuts another joint department and spout sliding connection of fork arm, back supporting mechanism sets up the back at telescopic stair.

Furthermore, the scissor arms are symmetrically arranged on two side surfaces of the telescopic stair.

Further, back supporting mechanism includes linking arm I and linking arm II, and the one end of linking arm I is passed through the round pin axle and is rotated with the one end of linking arm II and be connected, the spout sliding connection at the round pin axle and the U-shaped frame back, and the other end of linking arm I and the other end of linking arm II all rotate and are connected with the fixed axle, and the fixed axle is fixed on the fork arm of cutting, can control to take advantage of the case through the structure of the fork arm of cutting and avoid rocking at the lift in-process, when the fork arm of cutting contracts, the U-shaped frame can be folded, and the U-shaped frame increases the intensity of the fork arm structure of cutting simultaneously, reduces the swing, guarantees at the stair platform structure safe and reliable of going up and down.

Furthermore, take advantage of and be provided with driving motor on the case bottom surface, driving motor's output shaft has the driving gear, is provided with driven gear on the reel, and the driving gear meshes with driven gear mutually, drives the driving gear through driving motor and rotates, and the driving gear drives the reel through driven gear and rotates, and the reel drives the haulage rope in the bottom of the case four corners and contracts or extend simultaneously, realizes taking advantage of the steady lift of case.

Furthermore, a bearing partition plate is arranged on the carrying box, the carrying box is divided through the bearing partition plate, and people or objects are separated from the driving mechanism.

Compared with the prior art, the utility model has the beneficial effects that:

1. the lifting device is provided with the sliding groove, the scissor fork arm is limited through the sliding groove, the structure is safe in the contraction process, the driving gear is driven to rotate through the driving motor, the driving gear drives the winding drum to rotate through the driven gear, the winding drum drives the traction rope to contract, the lifting of the carrying box is realized, the direction of the traction rope is changed through the guide wheel, the winding drum can simultaneously drive the traction rope with four symmetrical corners to be folded and unfolded, the unilateral stress is avoided, the stable and reliable lifting of the carrying box is guaranteed, and the shaking is reduced.

2. The telescopic stair is provided with the scissor arm, the stability of the carrying box in the lifting process is controlled through the scissor arm structure, the U-shaped frame can be folded when the scissor arm is contracted, meanwhile, the strength of the scissor arm structure is increased through the U-shaped frame, the swing is reduced, and the safety and the reliability of the telescopic stair structure are guaranteed.

3. The utility model is provided with the back support mechanism, and further strengthens the structure of the telescopic stair through the back support mechanism, the structure design of the utility model is safe and reliable, the installation position is flexible, the utility model is not limited by the condition whether the platform is tightly attached to the wall surface, the space of the wall surface is saved, the platform can be level to the bottom ceiling after being folded, the indoor space is not occupied, and the indoor aesthetic property is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;

FIG. 4 is an enlarged view of the structure of the present invention at B.

In the figure: the device comprises a top frame 1, a U-shaped frame 2, a scissor arm 3, a guide wheel 4, a guide wheel frame 5, a traction rope 6, a carrying box 7, a bearing partition plate 8, a back supporting mechanism 9, a connecting arm I91, a connecting arm II 92, a winding drum 10, a driven gear 11, a driving gear 12, a driving motor 13, a sliding chute 14, a pin shaft 15 and a fixed shaft 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-4, the present invention provides a technical solution: a loft lifting telescopic stair platform comprises a top frame 1, a U-shaped frame 2, a scissor arm 3, a carrying box 7, a back support mechanism 9 and a reel 10, wherein the scissor arm 3 is arranged between the top frame 1 and the carrying box 7, the scissor arm 3 is symmetrically arranged on two side surfaces of a telescopic stair, guide wheel frames 5 are arranged at four corners of the bottom surface of the carrying box 7, guide wheels 4 are arranged on the guide wheel frames 5, the reel 10 is arranged at the center of the bottom surface of the carrying box 7, one end of a traction rope 6 is fixedly connected to the reel 10, the other end of the traction rope 6 bypasses the guide wheels 4 and is fixedly connected with the top frame 1, the reel 10 can simultaneously drive the traction rope 6 to contract to avoid unilateral stress, the carrying box 7 is ensured to be stably and reliably lifted, the shaking is reduced, a driving motor 13 is arranged on the bottom surface of the carrying box 7, an output shaft of the driving motor 13 is connected with a driving gear 12, a driven gear 11 is arranged on the reel 10, and the driving gear 12 is engaged with the driven gear 11, the lifting device is characterized in that a driving motor 13 drives a driving gear 12 to rotate, the driving gear 12 drives a winding drum 10 to rotate through a driven gear 11, the winding drum 10 drives a traction rope 6 to contract, lifting of a carrying box 7 is achieved, a bearing partition plate 8 is arranged on the carrying box 7, the carrying box 7 is divided through the bearing partition plate 8, people or objects are separated from a driving mechanism, a U-shaped frame 2 is arranged between a top frame 1 and the carrying box 7, a sliding groove 14 is arranged on the outer side edge of the U-shaped frame 2, one connecting joint of a scissor arm 3 is rotatably connected with one end of the U-shaped frame 2, the other connecting joint of the scissor arm 3 is slidably connected with the sliding groove 14, the scissor arm 3 is limited through the sliding groove 14, the structure is safe in the contraction process, a back support mechanism 9 is arranged on the back of a telescopic stair, the back support mechanism 9 comprises a connecting arm I91 and a connecting arm II 92, one end of the connecting arm I91 is rotatably connected with one end of the connecting arm II 92 through a pin shaft 15, the pin shaft 15 is connected with the chute 14 on the back of the U-shaped frame 2 in a sliding way, the other end of the connecting arm I91 and the other end of the connecting arm II 92 are both connected with a fixed shaft 16 in a rotating way, the fixed shaft 16 is fixed on the scissor arm 3, the structure of the telescopic stair is further enhanced through the back support mechanism 9, the lifting and descending of the carrying box 7 can be controlled to be stable through the contraction of the scissor arm 3, the U-shaped frame 2 can be folded when the scissor arm 3 is contracted, the strength of the structure of the scissor arm 3 is increased by the U-shaped frame 2, the swinging is reduced, the safety and the reliability of the lifted telescopic stair structure are ensured, a stair fixing frame is arranged on a floor, and the stair fixing frame can accommodate the stair during folding. Improve the indoor aesthetic property.

When in use: fix roof-rack 1 on the stair mount, drive driving gear 12 through driving motor 13 and rotate, driving gear 12 drives reel 10 through driven gear 11 and rotates, reel 10 can drive haulage rope 6 simultaneously and receive and release, avoid unilateral atress, it is steady to cut fork arm 3 shrink to control to take advantage of case 7 to go up and down, when cutting fork arm 3 shrink, U-shaped frame 2 can fold, U-shaped frame 2 increases the intensity of cutting fork arm 3 structure simultaneously, reduce the swing, guarantee at the flexible stair structure safe and reliable of going up and down, reduce and rock, when taking advantage of case 7 to go up to the top surface, the stair mount can hold flexible stair, reduce the space volume.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a loft lift flexible landing, includes roof-rack (1), U-shaped frame (2), cuts fork arm (3), takes advantage of and carries case (7), back supporting mechanism (9) and reel (10), its characterized in that: the scissor arms (3) are arranged between the top frame (1) and the carrying box (7), guide wheel frames (5) are arranged at four corners of the bottom surface of the carrying box (7), guide wheels (4) are arranged on the guide wheel frames (5), a winding drum (10) is arranged at the center of the bottom surface of the carrying box (7), one end of a traction rope (6) is fixedly connected to the winding drum (10), the other end of the traction rope (6) bypasses the guide wheels (4) and is fixedly connected with the top frame (1), the U-shaped frame (2) is arranged between the top frame (1) and the carrying box (7), a sliding groove (14) is formed in the outer side edge of the U-shaped frame (2), one connecting joint of the scissor arm (3) is rotatably connected with one end of the U-shaped frame (2), the other connecting joint of the scissor arm (3) is slidably connected with the sliding groove (14), and the back support mechanism (9) is arranged on the back of the telescopic stair.

2. A loft elevating telescopic landing according to claim 1, wherein: the scissor arms (3) are symmetrically arranged on two side surfaces of the telescopic stair.

3. A loft elevating telescopic landing according to claim 2, wherein: back supporting mechanism (9) are including linking arm I (91) and linking arm II (92), and the one end of linking arm I (91) is passed through round pin axle (15) and is rotated with the one end of linking arm II (92) and be connected, and round pin axle (15) and spout (14) the sliding connection at the U-shaped frame (2) back, the other end of linking arm I (91) and the other end of linking arm II (92) all rotate and are connected with fixed axle (16), and fixed axle (16) are fixed on scissors arm (3).

4. A loft elevating telescopic landing according to claim 1, wherein: a driving motor (13) is arranged on the bottom surface of the carrying box (7), an output shaft of the driving motor (13) is connected with a driving gear (12), a driven gear (11) is arranged on the winding drum (10), and the driving gear (12) is meshed with the driven gear (11).

5. A loft elevating telescopic landing according to claim 1, wherein: and a bearing partition plate (8) is arranged on the carrying box (7).