CN211173886U - Decoration steel wood double ladder - Google Patents

Abstract

The utility model provides a decorative steel-wood herringbone ladder, which comprises a first ladder frame and a second ladder frame, wherein the top ends of the first ladder frame and the second ladder frame are connected through a rotating pin shaft, and a limiting chain is detachably connected between the first ladder frame and the second ladder frame; the first ladder frame comprises a plurality of first combination units which are sequentially spliced, two adjacent first combination units are connected through a connecting steel frame of a groove-shaped structure, and a locking screw rod penetrating through the first combination units is arranged on the connecting steel frame; the second ladder frame comprises a plurality of second combination units which are sequentially spliced, and every two adjacent second combination units are also connected through a connecting steel frame and a locking screw rod; the problem of the decoration people's ladder structure, the high fixed of using at present, exist and can not adjust, be not convenient for transport is solved.

Description

A decorative steel-wood herringbone ladder

technical field

The utility model relates to the field of decoration tools, in particular to a decoration steel-wood herringbone ladder.

Background technique

In the decoration project, in order to facilitate the decoration workers to decorate the higher indoor and outdoor walls, it is necessary to place a decoration ladder on one side of the wall to improve the standing height of the decoration workers. The ladders currently used are all one-piece structures and have a fixed height. It cannot be adjusted and is not easy to carry.

Utility model content

Aiming at the deficiencies in the prior art, the utility model provides a decorative steel-wood herringbone ladder, which solves the problems of the currently used decorative man-ladder structure, fixed height, inability to adjust, and inconvenience for handling.

To achieve the above object, the utility model adopts the following technical scheme:

A decorative steel-wood herringbone ladder, comprising a first ladder frame and a second ladder frame, the top of the first ladder frame and the second ladder frame are connected by a rotating pin, the first ladder frame and the second ladder frame A limit chain is detachably connected between them; the first ladder frame includes a plurality of first combination units that are spliced in sequence, and two adjacent first combination units are connected by a connecting steel frame of a trough structure, and the connecting steel The frame is provided with a locking screw that passes through the first combination unit; the second ladder frame includes a plurality of second combination units that are spliced in sequence, and two adjacent second combination units are also connected by connecting steel frames and locking Screw connection.

Preferably, the first combination unit includes two parallel first pedal rods and two first connecting rods, and the two first connecting rods are fixed on both ends of the two first pedal rods and are in the shape of "eight" structure.

Preferably, the second combination unit includes two parallel second pedal rods and two second connecting rods, and the two second connecting rods are fixed on both ends of the two first pedal rods and are in the shape of an "eight" structure.

Preferably, the spacing distance between the two first connecting rods is greater than the spacing distance between the two second connecting rods, and the length of the first connecting rod is the same as the length of the second connecting rod.

Preferably, the number of the first combination units is 1 to 5, and the number of the second combination units is the same as the number of the first combination units.

Preferably, the material of the first combination unit and the second combination unit is wood.

Preferably, the limit chain includes a chain and two hooks, the hooks include a rod body, one end of the rod body is bent into an arc-shaped hook portion, and the other end of the rod body is bent into a buckle for buckling the chain department.

Preferably, one end of the rotating pin is provided with a threaded structure and sleeved with a locking nut, the other end of the rotating pin is provided with a limiting plate, and the end of the rotating pin extending out of the limiting plate is fixed with a hook.

Preferably, between the first ladder frame and the second ladder frame, a cloth pocket located below the rotating pin is also hung, and the cloth pocket includes a carrier cloth and limit hook plates fixed on both ends of the carrier cloth.

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

1. The first ladder frame is formed by splicing multiple first combination units, and the second ladder frame is formed by splicing multiple second combination units. By changing the number of the first combination unit and the second combination unit, adjust the first ladder frame, The combination of the second ladder frame is equal to the height of the ladder, so that decorators can use it at different heights, overcoming the situation that the existing ladder cannot be adjusted when using it; Place it on the battery car commonly used by workers or in the trunk of the car;

2. The whole herringbone ladder can be disassembled and assembled, which can realize multiple functions of one ladder, and can be assembled into ladders of various heights to meet the use of plumbers, carpenters or painters in indoor and outdoor decoration projects, which is more convenient and convenient.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of the first ladder frame;

Fig. 3 is the structural representation of the second ladder frame;

Figure 4 is a schematic structural diagram of a limit chain;

Fig. 5 is the structural representation of the rotating pin;

Fig. 6 is the structural representation of cloth pocket;

In the figure, the first ladder frame 1, the second ladder frame 2, the rotating pin shaft 3, the limit chain 4, the chain 41, the hook 42, the first combination unit 5, the first step rod 51, the first connecting rod 52, the connection Steel frame 6, locking screw 7, second combination unit 8, second pedal 81, second connecting rod 82, locking nut 9, limit plate 10, hook 11, cloth pocket 12, carrying cloth 121, limit Bit groove plate 122 .

Detailed ways

The present utility model will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present utility model and implement it, but the examples are not intended to limit the present utility model.

As shown in FIGS. 1 to 6 , the present invention provides a decorative steel-wood herringbone ladder, which includes a first ladder frame 1 and a second ladder frame 2 . The top ends are connected by a rotating pin shaft 3, and a limit chain 4 is detachably connected between the first ladder frame 1 and the second ladder frame 2; the first ladder frame 1 includes a plurality of first combination units 5 spliced in sequence, The two adjacent first combination units 5 are connected by a connecting steel frame 6 of a trough structure, and the connecting steel frame 6 is provided with a locking screw 7 passing through the first combination unit 5; the second ladder frame 2 includes a plurality of second combination units 8 that are spliced in sequence, and the two adjacent second combination units 8 are also connected by connecting steel frames 6 and locking screws 7; After the two ladder frames 2 are rotated and connected, the limit chain 4 is used to limit the rotation angle between the first ladder frame 1 and the second ladder frame 2, so as to ensure that the combined herringbone ladder can be stably placed on the ground. Since the first ladder frame 1 is composed of a plurality of first combination units 5 and the second ladder frame 2 is composed of a plurality of second combination units 8, by changing the number of the first combination unit 5 and the second combination unit 8, the entire The height of the herringbone ladder is adapted to the needs of decorators at different heights.

Wherein, the first combination unit 5 includes two parallel first step rods 51 and two first connecting rods 52, and the two first connecting rods 52 are fixed on both ends of the two first step rods 51 and form an "eight" The second combination unit 8 includes two parallel second pedal rods 81 and two second connecting rods 82, and the two second connecting rods 82 are fixed on both ends of the two first pedal rods 51 and It has an "eight"-shaped structure, and the gradient formed by the plurality of first combination units 5 constituting the first ladder frame 1 is consistent with the gradient formed by the plurality of second combination units 8 constituting the second ladder frame 2, thereby ensuring the first The structural stability of the ladder frame 1 and the second ladder frame 2.

In order to ensure that when the first ladder frame 1 and the second ladder frame 2 are connected, the rotating pin shaft 3 can pass through concentrically, so that the distance between the two first connecting rods 52 is greater than the distance between the two second connecting rods 82 distance, the length of the first connecting rod 52 is the same as the length of the second connecting rod 82, so as to ensure that the corresponding two first connecting rods 52 and two second connecting rods 82 can form a rotating connection part, so that the rotating pin can pass The shaft 3 is connected to any corresponding first combination unit 5 and second combination unit 8 to form a herringbone ladder of different heights.

At the same time, in order to accommodate any corresponding first combination unit 5 and second combination unit 8 to be able to be assembled into a ladder, the first connecting rod 52 and the second connecting rod 82 are both provided with mounting holes for inserting the rotating pin shaft 3 , so that the first combination unit 5 and the second combination unit 8 corresponding to different positions can be selected for connection.

In order to adapt to the use in most cases, the number of the first combination unit 5 is 1 to 5, the number of the second combination unit 8 is the same as the number of the first combination unit 5, and the first combination unit 5, the second combination unit 8 The height of the elevator is 80cm, so that two first combination units 5 and two second combination units 8 can be selected to form a herringbone ladder with a height of 1.6m; you can also choose 3 first combination units 5 and 3 second combination units. 8 constitute a 2.4m herringbone ladder; when the selected number is 5, the height of the combined herringbone ladder is 4m, which is also the height currently used in the safety line; ladders of various heights are suitable for use by decorators of different types, such as Plumbers, carpenters or painters assemble according to actual needs in indoor and outdoor decoration projects; and the entire ladder is only 80cm long after dismantling, which can be easily stored and placed in the trunk of the decorator's battery car or trolley, and the handling process is more convenient convenient.

In order to reduce the overall weight, the first combination unit 5 and the second combination unit 8 are made of wood.

In order to facilitate the stable positioning through the limit chain 4 when the first ladder frame 1 and the second ladder frame 2 are placed at different angles, the limit chain 4 includes a chain 41 and two hooks 42. The hook 42 includes a rod body, and the rod body has a One end is bent into a hook portion with an arc structure, and the other end of the rod body is bent into a buckling portion for buckling the chain 41 , wherein the hook 42 is integrally formed, and the connection position of the buckling portion to the chain 41 is changed to adjust the The length of the entire limit chain 4 is adapted to ensure its stability after the first ladder frame 1 and the second ladder frame 2 are unfolded at different angles.

One end of the rotating pin 3 is provided with a threaded structure and sleeved with a locking nut 9, the other end of the rotating pin 3 is provided with a limit plate 10, and the end of the rotating pin 3 extending out of the limit plate 10 is fixed with a hook 11 , the rotating pin 3 is locked by the locking nut 9, so as to fix the connection position of the first ladder frame 1 and the second ladder frame 2, and at the same time, the hook 11 is convenient for the decorator to hang a bucket or a bucket when working on the ladder. Toolkit.

At the same time, in order to facilitate placing tools on the ladder, a cloth pocket 12 located below the rotating pin 3 is hung between the first ladder frame 1 and the second ladder frame 2. The cloth pocket 12 includes a carrying cloth 121 and is fixed on the carrying cloth The limit hook plates at both ends of the cloth 121, through the two limit hook plates, the entire cloth pocket 12 is hung between the first ladder frame 1 and the second ladder frame 2 and is located at the top of the first combination unit 5 and the second combination between the units 8 to facilitate the placement of tools during upholstery work.

In the explanation of the present invention, it should be noted that the terms "first", "second" and the like are only for the convenience of description and understanding, and do not limit the installation sequence, usage quantity or importance of specific technical features.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should The technical solutions are modified or equivalently replaced without departing from the purpose and scope of the technical solutions of the present invention, and all of them should be included in the scope of the claims of the present invention.

Claims (10)

1. A decorative steel-wood herringbone ladder, characterized in that: comprising a first ladder frame (1) and a second ladder frame (2), the first ladder frame (1) and the second ladder frame (2) The top end is connected by a rotating pin shaft (3), and a limit chain (4) is detachably connected between the first ladder frame (1) and the second ladder frame (2); the first ladder frame (1) includes a sequence of A plurality of first combined units (5) are spliced, and two adjacent first combined units (5) are connected by a connecting steel frame (6) of a trough structure, and the connecting steel frame (6) is provided with a through-hole. through the locking screw (7) of the first combination unit (5); the second ladder frame (2) includes a plurality of second combination units (8) spliced in sequence, and two adjacent second combination units (8) They are also connected by connecting steel frame (6) and locking screw (7). 2. A decorative steel-wood herringbone ladder according to claim 1, characterized in that: the first combination unit (5) comprises two parallel first tread bars (51) and two first connecting bars (52), the two first connecting rods (52) are fixedly connected to the two ends of the two first stepping rods (51) and have an "eight"-shaped structure. 3. A decorative steel-wood herringbone ladder according to claim 2, characterized in that: the second combination unit (8) comprises two parallel second tread bars (81), two second connecting bars (82), the two second connecting rods (82) are fixedly connected to the two ends of the two first stepping rods (51) and have an "eight"-shaped structure. 4. A decorative steel-wood herringbone ladder according to claim 3, characterized in that: the first connecting rod (52) and the second connecting rod (82) are both provided with a pivot pin (3) for inserting ) mounting holes. 5. A decorative steel-wood herringbone ladder according to claim 4, characterized in that: the distance between the two first connecting rods (52) is greater than that between the two second connecting rods (82). The interval distance is , the length of the first connecting rod (52) is the same as the length of the second connecting rod (82). 6 . The decorative steel-wood herringbone ladder according to claim 5 , wherein the number of the first combination unit ( 5 ) is 1 to 5, and the number of the second combination unit ( 8 ) is 1 to 5. 7 . The same number as the first combination unit (5). 7. The decorative steel-wood herringbone ladder according to any one of claims 1 to 6, wherein the material of the first combination unit (5) and the second combination unit (8) is wood. 8 . The decorative steel-wood herringbone ladder according to claim 7 , wherein the limit chain ( 4 ) comprises a chain ( 41 ) and two hooks ( 42 ), and the hooks ( 42 ) include A rod body, one end of the rod body is bent into an arc-shaped hooking part, and the other end of the rod body is bent into a buckling part for buckling the chain (41). 9. A decorative steel-wood herringbone ladder according to claim 8, characterized in that: one end of the rotating pin (3) is provided with a threaded structure and sleeved with a locking nut (9), and the rotating pin (3) is provided with a threaded structure at one end. The other end of (3) is provided with a limit plate (10), and a hook (11) is fixedly connected to the end of the rotating pin (3) extending out of the limit plate (10). 10. A decorative steel-wood herringbone ladder according to claim 9, characterized in that: between the first ladder frame (1) and the second ladder frame (2), there is also hung a rotating pin (3) The cloth pocket (12) below the ), the cloth pocket (12) includes a carrier cloth (121) and limit hook plates fixed on both ends of the carrier cloth (121).

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