CN218293458U

CN218293458U - Steel cat ladder

Info

Publication number: CN218293458U
Application number: CN202222418394.5U
Authority: CN
Inventors: 符托; 张坤
Original assignee: Shaanxi Shizhitai Construction Engineering Co ltd
Current assignee: Shaanxi Shizhitai Construction Engineering Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-01-13
Anticipated expiration: 2032-09-13

Abstract

The utility model provides a steel ladder stand, which relates to the technical field of ladders and comprises a pedal part and a telescopic rod, wherein the pedal part and the telescopic rod form a ladder, a loop bar is arranged at the upper end of the telescopic rod, a movable plate is hinged at one side of the loop bar through a connecting plate, a fixed plate is arranged at one side of the movable plate, one end of the fixed plate is hinged with the movable plate and is connected with one side of a sleeve, and the loop bar in the sleeve moves downwards to drive the movable plate and the fixed plate to rotate along the hinge; the ladder is stretched out, makes ladder upper end fixed connection's fixed plate support at the lower surface of the fixed panel of needs, afterwards, makes the ladder drive loop bar downstream under the effect of self gravity, along with the motion of loop bar, articulates and drives and rotate with fixed plate articulated fly leaf at one side connecting plate of loop bar, fixes the position of ladder, avoids the ladder to topple over in the use or by the staff collision, improves the safe in utilization of staff and equipment.

Description

Steel cat ladder

Technical Field

The utility model relates to a ladder technical field specifically is a steel cat ladder.

Background

The ladder stand occupies a small space and is widely used at a position with a narrow space.

Because operating space is less, some cat ladders need be dismantled after using, because the space that the cat ladder was laid is less, the general vertical placing of cat ladder, but the cat ladder among the vertical placing is not convenient for fix the top when using, leads to easily taking place to empty when using, makes the staff receive the injury, for this reason, needs a steel cat ladder urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steel cat ladder aims at solving among the prior art cat ladder of the less department of operating space and need dismantle after the use, leads to the cat ladder among the vertical placement not convenient for fix the top when using, leads to easily taking place to empty when using, makes the staff receive the problem of injury.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a steel cat ladder, is including pedal portion and the telescopic link of constituteing the ladder, the upper end of telescopic link is provided with the loop bar, one side of loop bar articulates through the connecting plate has the fly leaf, one side of fly leaf is provided with the fixed plate, the one end of fixed plate articulates has the fly leaf and is connected with sheathed tube one side, the inside loop bar downstream of sleeve pipe, drive fly leaf and fixed plate along articulated rotation.

Further, the utility model discloses a further technical scheme does, the fly leaf has the friction member with one side joint in opposite directions of fixed plate, the friction member pass through the bolt respectively with fly leaf and fixed plate fixed connection.

Further, the utility model discloses a further technical scheme does, the both sides fixedly connected with location axle of fly leaf one end, the curved surface of location axle one end articulates there is the fixed plate, the draw-in groove has been seted up at the middle part of fixed plate one end.

Further, the utility model discloses a further technical scheme does, the middle part of fly leaf one end articulates there is the connecting plate, the one end of connecting plate articulates there is the connecting axle, one side fixedly connected with loop bar at connecting axle middle part, the one end of loop bar and the one end fixed connection of telescopic link.

Further, the utility model discloses a further technical scheme does, the loop bar cup joints in the sheathed tube inside, reset spring has been cup jointed to the sheathed tube upper end, reset spring's one end joint has first limiting plate, the middle part fixedly connected with connecting rod of first limiting plate lower surface, the one end of connecting rod and the upper end fixed connection of loop bar.

Further, the utility model discloses a further technical scheme does, reset spring's lower extreme fixedly connected with second limiting plate, the outside of second limiting plate is connected with the internal surface fixed of constant head tank, the constant head tank is seted up at sheathed tube middle part and is run through with sheathed tube both ends.

Further, the utility model discloses a further technical scheme does, the guide way has been seted up at the middle part of sleeve pipe one side, the inside sliding connection of guide way has the connecting plate.

Further, the utility model discloses a further technical scheme does, the both sides of telescopic link and the both ends fixed connection of pedal portion.

The beneficial effects of the utility model are that:

the ladder is stretched out, makes ladder upper end fixed connection's fixed plate support the lower surface at the panel that needs to be fixed, afterwards, makes the ladder drive loop bar downstream under the effect of self gravity, along with the motion of loop bar, articulates and drives and rotate with fixed plate articulated fly leaf at one side connecting plate of loop bar, fixes the position of ladder, avoids the ladder to topple over in the use or by the staff collision, improves the safe in utilization of staff and equipment.

Drawings

Fig. 1 is a schematic diagram of a three-dimensional front view structure of the present invention;

fig. 2 is a schematic view of a partial three-dimensional connection structure of the present invention;

fig. 3 is a schematic view of the present invention in a partial cross-sectional structure.

In the figure: 1. a friction member; 2. a fixing plate; 3. a pedal portion; 4. a telescopic rod; 5. a loop bar; 6. a sleeve; 7. positioning the shaft; 8. a movable plate; 9. a connecting rod; 10. a first limit plate; 11. a connecting shaft; 12. a connecting plate; 13. positioning a groove; 14. a second limiting plate; 15. a return spring; 16. a card slot; 17. a guide groove.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1-3, a steel ladder stand comprises a pedal part 3 and a telescopic rod 4 which form the ladder, a loop bar 5 is arranged at the upper end of the telescopic rod 4, a movable plate 8 is hinged to one side of the loop bar 5 through a connecting plate 12, a fixed plate 2 is arranged at one side of the movable plate 8, one end of the fixed plate 2 is hinged to the movable plate 8 and connected with one side of a sleeve 6, and the loop bar 5 inside the sleeve 6 moves downwards to drive the movable plate 8 to rotate along the hinge with the fixed plate 2.

In this embodiment, extend the ladder, make 2 supports the lower surface at the fixed panel of needs of ladder upper end fixed connection's fixed plate, afterwards, make the ladder drive loop bar 5 downstream under the effect of self gravity, along with the motion of loop bar 5, it is rotatory with 2 articulated fly leaves 8 of fixed plate to articulate one side connecting plate 12 drive at loop bar 5, fix the position of ladder, avoid the ladder in the use or topple over by the staff collision, improve the safe in utilization of staff and equipment.

The utility model discloses an in another embodiment, one side joint that fly leaf 8 and fixed plate 2 are in opposite directions has friction member 1, friction member 1 through the bolt respectively with fly leaf 8 and fixed plate 2 fixed connection, friction member 1 can increase the frictional force of junction, improves the stability of ladder.

Specifically, both sides fixedly connected with location axle 7 of fly leaf 8 one end, the curved surface of location axle 7 one end articulates there is fixed plate 2, and draw-in groove 16 has been seted up at the middle part of fixed plate 2 one end, and draw-in groove 16 fixes a position fly leaf 8's position, makes fly leaf 8 can not take place the skew through the pressure that friction part 1 produced.

Specifically, the middle part of one end of the movable plate 8 is hinged with a connecting plate 12, the movable plate 8 is driven to rotate along the circumferential direction of the positioning shaft 7 through the connecting plate 12, one end of the connecting plate 12 is hinged with a connecting shaft 11, one side of the middle part of the connecting shaft 11 is fixedly connected with a loop bar 5, and one end of the loop bar 5 is fixedly connected with one end of the telescopic rod 4.

Concretely, loop bar 5 is along sleeve 6's direction of height reciprocating motion, loop bar 5 cup joints the inside at sleeve 6, reset spring 15 has been cup jointed to sleeve 6's upper end, reset spring 15's one end joint has first limiting plate 10, the middle part fixedly connected with connecting rod 9 of first limiting plate 10 lower surface, the one end of connecting rod 9 and the upper end fixed connection of loop bar 5, when the staff climbs the ladder, telescopic link 4 drives loop bar 5 downstream, and exert bigger pressure to the fixed part through connecting plate 12 and fly leaf 8, avoid the staff to make danger appear in using the ladder, when demolising the ladder, lift the ladder upwards along with the staff, the last pressure that applys of reset spring 15 reduces, make the distance increase between fly leaf 8 and fixed plate 2, the staff of being convenient for demolishs the ladder.

Specifically, the lower end of the return spring 15 is fixedly connected with a second limiting plate 14, the outer side of the second limiting plate 14 is fixedly connected with the inner surface of the positioning groove 13, and the positioning groove 13 is formed in the middle of the sleeve 6 and penetrates through the two ends of the sleeve 6.

Specifically, a guide groove 17 is formed in the middle of one side of the sleeve 6, and a connecting plate 12 is slidably connected inside the guide groove 17.

Specifically, two sides of the telescopic rod 4 are fixedly connected with two ends of the pedal portion 3, and the pedal portion 3 is a rod provided with an anti-skidding rubber pad and an anti-skidding groove.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. The utility model provides a steel cat ladder which characterized in that: including pedal portion (3) and telescopic link (4) of constituteing the ladder, the upper end of telescopic link (4) is provided with loop bar (5), one side of loop bar (5) is articulated through connecting plate (12) has fly leaf (8), one side of fly leaf (8) is provided with fixed plate (2), the one end of fixed plate (2) is articulated to have fly leaf (8) and is connected with one side of sleeve pipe (6), inside loop bar (5) downstream of sleeve pipe (6), drive fly leaf (8) and fixed plate (2) along articulated rotation.

2. The steel ladder stand according to claim 1, wherein a friction piece (1) is clamped on one side of the movable plate (8) opposite to one side of the fixed plate (2), and the friction piece (1) is fixedly connected with the movable plate (8) and the fixed plate (2) through bolts respectively.

3. The steel ladder stand according to claim 1, wherein two sides of one end of the movable plate (8) are fixedly connected with positioning shafts (7), a curved surface of one end of each positioning shaft (7) is hinged to the fixed plate (2), and a clamping groove (16) is formed in the middle of one end of each fixed plate (2).

4. The steel ladder stand according to claim 1, wherein a connecting plate (12) is hinged to the middle of one end of the movable plate (8), a connecting shaft (11) is hinged to one end of the connecting plate (12), a loop bar (5) is fixedly connected to one side of the middle of the connecting shaft (11), and one end of the loop bar (5) is fixedly connected with one end of the telescopic rod (4).

5. The steel ladder stand according to claim 1, wherein the loop bar (5) is sleeved inside the sleeve (6), a return spring (15) is sleeved at the upper end of the sleeve (6), a first limiting plate (10) is clamped at one end of the return spring (15), a connecting rod (9) is fixedly connected to the middle of the lower surface of the first limiting plate (10), and one end of the connecting rod (9) is fixedly connected with the upper end of the loop bar (5).

6. A steel ladder as claimed in claim 5, characterised in that the lower end of the return spring (15) is fixedly connected with a second limit plate (14), the outer side of the second limit plate (14) is fixedly connected with the inner surface of the positioning slot (13), and the positioning slot (13) is arranged in the middle of the casing (6) and penetrates through the two ends of the casing (6).

7. A steel ladder as claimed in claim 6, characterised in that the casing (6) has a guide slot (17) in the middle of one side thereof, the guide slot (17) being internally slidably connected to the web (12).

8. A steel ladder as claimed in claim 1, characterised in that the telescopic bar (4) is fixedly connected at both sides to the ends of the foot rest (3).