CN220469759U

CN220469759U - Cat ladder with flexible function

Info

Publication number: CN220469759U
Application number: CN202321563868.3U
Authority: CN
Inventors: 王立华
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-19
Filing date: 2023-06-19
Publication date: 2024-02-09
Anticipated expiration: 2033-06-19

Abstract

The utility model relates to the technical field of ladders and discloses a ladder with a telescopic function, which comprises a base, wherein a supporting rod is fixedly connected to the outer wall of the top of the base, a backing plate is fixedly connected to the outer wall of the supporting rod, a groove is formed in the supporting rod, a protection stabilizing device is arranged above the supporting rod and comprises a fixing plate, the fixing plate is fixedly connected to the outer wall of the supporting rod, a protection plate is fixedly connected to the fixing plate, a clamping plate is fixedly connected to the protection plate, and a pulley is fixedly connected to the clamping plate. Through setting up protection stabilising arrangement and making the ladder protect at the lifting in-process, use fixed plate cooperation bolt to protect board fixed connection on the bracing piece, the pulley on the splint on the guard plate is spacing with the upper strata, and guard plate punch holder carries out spacing cooperation spring to the rubber slab and cushions for the ladder on upper strata is at flexible in-process placing the skew.

Description

Cat ladder with flexible function

Technical Field

The utility model relates to the technical field of ladders, in particular to a ladder with a telescopic function.

Background

The cat ladder is very popular in daily life, and is convenient for operators to perform up and down operation on the vertical wall surface. The material of general cat ladder adopts the reinforcing bar to make, and it is applicable to different regions, different conditions, different development demands, has anticorrosion performance and fire behaviour good, intensity is high, simple installation scheduling advantage. For working at a certain height, a climbing ladder is needed.

For example, the Chinese patent publication No. CN213869679U discloses the following technical scheme: the folding device comprises a first telescopic rod, a second telescopic rod and a plurality of folding devices arranged between the first telescopic rod and the second telescopic rod; a chute is formed in one side, opposite to the first telescopic rod and the second telescopic rod, of each of the first telescopic rod and the second telescopic rod; the folding device comprises a sliding rod, a movable rod, at least two connecting rods and a locking mechanism; the two ends of the sliding rod are respectively connected with sliding grooves of the first telescopic rod and the second telescopic rod in a sliding manner; the two ends of the connecting rod are respectively connected with the periphery of the sliding rod and the periphery of the movable rod in a rotating way; two adjacent sliding rods of the plurality of folding devices are connected through connecting rods; the end parts of the connecting rods between two adjacent sliding rods, which are far away from the sliding rods, are mutually connected in a rotating way.

However:

the traditional cat ladder can't stretch out and draw back in the use leads to probably can't carry out the adjustment distance or apart from the poor some distance of construction target at the during operation, causes the inconvenient problem of construction.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a cat ladder with a telescopic function. Its advantage lies in can carry out the flexible of short distance with the cat ladder for do not need to change or adjust the cat ladder at the in-process of construction, thereby shorten the engineering time.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cat ladder with flexible function, includes the base, fixedly connected with bracing piece on the top outer wall of base, fixedly connected with backing plate on the outer wall of bracing piece, set up flutedly on the bracing piece, the top of bracing piece is provided with protection stabilising arrangement, protection stabilising arrangement includes the fixed plate, fixed plate fixed connection is on the outer wall of bracing piece, fixedly connected with guard plate on the fixed plate, fixedly connected with splint on the guard plate, fixedly connected with pulley on the splint, fixedly connected with limiting plate on the outer wall of guard plate, fixedly connected with spring on the guard plate, the other end fixedly connected with rubber slab of spring, the top of bracing piece is provided with flexible lifting device.

Preferably, the number of the pulleys is fourteen, seven pulleys are symmetrically arranged on the clamping plates, and the position of the ladder at the top is limited in the moving process by arranging a plurality of pulleys, so that the deflection of the ladder at the upper layer is prevented.

Preferably, the telescopic lifting device comprises a supporting plate, the supporting plate is fixedly connected to the outer wall of the top of the supporting rod, a sleeved rod is slidably connected to the supporting plate through a sliding block, a threaded sleeve is fixedly connected to the inner wall of the supporting plate, and a limiting column is fixedly connected to the inner wall of the supporting plate.

Preferably, the telescopic lifting device further comprises a threaded rod, the threaded rod is in threaded connection with the threaded sleeve, a conical gear A is fixedly sleeved at the top of the threaded rod, a rotating rod is rotatably connected to the inner wall of the sleeved rod through a bearing, a handle is fixedly connected to the outer wall of the rotating rod, a conical gear B is fixedly sleeved on the rotating rod, and the conical gear A is meshed with the conical gear B.

Preferably, the top of threaded rod is rotated through the pivot and is connected on the top inner wall of cup jointing the pole, the pivot at the top of bull stick and threaded rod is not in the coplanar for the threaded rod is more stable through setting up the pivot of threaded rod.

Preferably, the number of the thread sleeves is two, the number of the limit posts is four, and the thread sleeves are limited in place by arranging the two limit posts, so that the thread sleeves are prevented from loosening due to overlarge stress.

(III) beneficial effects

Compared with the prior art, the utility model provides the cat ladder with the telescopic function, which has the following beneficial effects:

1. this cat ladder with flexible function makes the ladder protect at the lifting in-process through setting up protection stabilising arrangement, uses fixed plate cooperation bolt to be with guard plate fixed connection on the bracing piece, and the pulley on the splint on the guard plate is spacing with the upper strata, and guard plate punch holder carries out spacing cooperation spring to the rubber slab and cushions for the ladder on upper strata is at flexible in-process placing the skew.

2. This cat ladder with flexible function carries out the lifting with upper ladder through setting up flexible lifting device, rotates the handle and makes conical gear B drive conical gear A and rotate, and the threaded rod is lifting under the restriction of thread bush and spacing post, and the backup pad keeps support state in the spot for the bell and spigot joint pole on upper strata carries out the displacement of short distance.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a front view of the present utility model;

FIG. 2 is an enlarged view of the utility model at A;

fig. 3 is an enlarged view of the utility model at B.

In the figure: 1. a base; 2. a support rod; 3. a backing plate; 4. a groove; 5. a protective stabilization device; 501. a fixing plate; 502. a protection plate; 503. a clamping plate; 504. a pulley; 505. a limiting plate; 506. a spring; 507. a rubber plate; 6. a telescopic lifting device; 601. a support plate; 602. sleeving a connecting rod; 603. a thread sleeve; 604. a limit column; 605. a threaded rod; 606. a conical gear A; 607. a rotating rod; 608. a handle; 609. and a bevel gear B.

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.

Example 1

As shown in fig. 1-3, the utility model provides a ladder stand with a telescopic function, which comprises a base 1, wherein a supporting rod 2 is fixedly connected to the outer wall of the top of the base 1, a backing plate 3 is fixedly connected to the outer wall of the supporting rod 2, a groove 4 is formed in the supporting rod 2, a protection stabilizing device 5 is arranged above the supporting rod 2, the protection stabilizing device 5 comprises a fixing plate 501, the fixing plate 501 is fixedly connected to the outer wall of the supporting rod 2, a protection plate 502 is fixedly connected to the protection plate 502, a clamping plate 503 is fixedly connected to the clamping plate 503, a pulley 504 is fixedly connected to the clamping plate 503, a limiting plate 505 is fixedly connected to the outer wall of the protection plate 502, a spring 506 is fixedly connected to the protection plate 502, a rubber plate 507 is fixedly connected to the other end of the spring 506, a telescopic lifting device 6 is arranged above the supporting rod 2, the number of the pulleys 504 is fourteen, and seven pulleys 504 are symmetrically arranged on the clamping plate 503, so that the ladder at the top is limited in the moving process, and the ladder at the upper layer is prevented from being deviated.

In this embodiment, through setting up protection stabilising arrangement 5 so that the ladder protects at the lifting in-process, use fixed plate 501 cooperation bolt with guard plate 502 fixed connection on bracing piece 2, pulley 504 on splint 503 on guard plate 502 is spacing with the upper strata, guard plate 502 punch holder 503 carries out spacing cooperation spring 506 to rubber slab 507 and cushions for the ladder on upper strata places the skew at telescopic in-process.

Example 2

As shown in fig. 1-3, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the method further comprises: the telescopic lifting device 6 comprises a supporting plate 601, the supporting plate 601 is fixedly connected to the outer wall of the top of the supporting rod 2, a sleeve joint rod 602 is connected to the supporting plate 601 in a sliding mode through a sliding block, a threaded sleeve 603 is fixedly connected to the inner wall of the supporting plate 601, a limit post 604 is fixedly connected to the inner wall of the supporting plate 601, the telescopic lifting device 6 further comprises a threaded rod 605, the threaded rod 605 is in threaded sleeve 603 in a threaded mode, a conical gear A606 is fixedly sleeved on the top of the threaded rod 605, a rotating rod 607 is connected to the inner wall of the rotating rod 607 through a bearing in a rotating mode, a handle 608 is fixedly connected to the outer wall of the rotating rod 607, a conical gear B609 is fixedly sleeved on the rotating rod 607, the top of the threaded rod 605 is connected to the inner wall of the top of the sleeve joint rod 602 through a rotating shaft in a rotating mode, the rotating shafts of the rotating rod 607 and the top of the threaded rod 605 are not in the same plane, the threaded rod 605 is more stable through the arrangement of the rotating shafts of the threaded rod 605, the threaded rod 605 is divided into two limit posts 604, the threaded sleeve 603 is limited in situ by the arrangement of two limit posts 604, and the loosening caused by overlarge stress of the threaded sleeve 603 is prevented.

In this embodiment, the telescopic lifting device 6 is arranged to lift the upper ladder, the handle 608 is rotated to enable the bevel gear B609 to drive the bevel gear A606 to rotate, the threaded rod 605 is lifted under the limitation of the threaded sleeve 603 and the limiting column 604, and the supporting plate 601 is kept in a supporting state in situ, so that the sleeved rod 602 of the upper ladder is displaced by a short distance.

The following specifically describes the working principle of the ladder stand with the telescopic function.

As shown in fig. 1-3, when in use, the protection plate 502 is fixedly connected to the support rod 2 by using the fixing plate 501 and the matching bolt, the pulley 504 on the clamping plate 503 on the protection plate 502 limits the upper layer, the clamping plate 503 on the protection plate 502 limits the rubber plate 507 and buffers the matching spring 506, the matching use of the rotating handle 608 causes the bevel gear B609 to drive the bevel gear a606 to rotate, the threaded rod 605 is lifted under the limit of the threaded sleeve 603 and the limiting post 604, and the support plate 601 is kept in a supporting state in situ.

Claims

1. Cat ladder with flexible function, including base (1), its characterized in that: fixedly connected with bracing piece (2) on the top outer wall of base (1), fixedly connected with backing plate (3) on the outer wall of bracing piece (2), set up fluted (4) on bracing piece (2), the top of bracing piece (2) is provided with protection stabilising arrangement (5), protection stabilising arrangement (5) include fixed plate (501), fixed plate (501) fixedly connected with guard plate (502) on the outer wall of bracing piece (2), fixedly connected with splint (503) on guard plate (502), fixedly connected with pulley (504) on splint (503), fixedly connected with limiting plate (505) on the outer wall of guard plate (502), fixedly connected with spring (506) on guard plate (502), the other end fixedly connected with rubber slab (507) of spring (506), the top of bracing piece (2) is provided with flexible lifting device (6).

2. A ladder with telescopic function according to claim 1, characterized in that: the number of the pulleys (504) is fourteen, and seven pulleys (504) are symmetrically arranged on the clamping plate (503).

3. A ladder with telescopic function according to claim 1, characterized in that: the telescopic lifting device (6) comprises a supporting plate (601), the supporting plate (601) is fixedly connected to the top outer wall of the supporting rod (2), a sleeve joint rod (602) is connected to the supporting plate (601) in a sliding mode through a sliding block, a threaded sleeve (603) is fixedly connected to the inner wall of the supporting plate (601), and a limiting column (604) is fixedly connected to the inner wall of the supporting plate (601).

4. A ladder having a telescopic function according to claim 3, wherein: the telescopic lifting device (6) further comprises a threaded rod (605), the threaded rod (605) is in threaded sleeve (603), a conical gear A (606) is fixedly sleeved on the top of the threaded rod (605), a rotating rod (607) is rotatably connected to the inner wall of the sleeved rod (602) through a bearing, a handle (608) is fixedly connected to the outer wall of the rotating rod (607), a conical gear B (609) is fixedly sleeved on the rotating rod (607), and the conical gear A (606) is meshed with the conical gear B (609).

5. The ladder stand with telescoping function as set forth in claim 4, wherein: the top of threaded rod (605) is connected on the top inner wall of cup joint pole (602) through the pivot rotation, the pivot at the top of bull stick (607) and threaded rod (605) is not in the coplanar.

6. A ladder having a telescopic function according to claim 3, wherein: the number of the thread sleeves (603) is two, and the number of the limit posts (604) is four.