CN219012450U

CN219012450U - Folding ladder

Info

Publication number: CN219012450U
Application number: CN202320132186.0U
Authority: CN
Inventors: 马学良
Original assignee: Anhui Zhongqiao Decoration Design Co ltd
Current assignee: Anhui Zhongqiao Decoration Design Co ltd
Priority date: 2023-01-11
Filing date: 2023-01-11
Publication date: 2023-05-12
Anticipated expiration: 2033-01-11

Abstract

The utility model relates to the technical field of ladders, in particular to a folding ladder which comprises main ladder legs, reinforcing rods, pedal rods, pedals, auxiliary ladder legs, connecting hinges and a folding workbench. The utility model is convenient for arranging the planar pedal on the herringbone ladder by arranging the reinforcing rods and the pedal rods, and the planar pedal is more stable relative to the rod-shaped pedal. Simultaneously, the connection of the reinforcing rods and the auxiliary ladder legs is utilized, so that the connection of a group of reinforcing rods is added between the main ladder legs and the auxiliary ladder legs of the herringbone ladder, the overall stability of the ladder is improved, and the stability of the overall ladder is prevented from losing guarantee after the bottom of the ladder slips or the connecting hinge is in a problem. The folding workbench is arranged at the top end of the ladder, and is provided for workers to place tools and handrails, so that the practicability of the ladder is improved.

Description

Folding ladder

Technical Field

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

Background

Ladders are a common tool for people's life and work. At present, a folding ladder commonly used in the market is divided into two ladders hinged together, when the folding ladder is used, the two hinged ladders are unfolded, the whole folding ladder is supported on the ground in a herringbone manner, a person can stand on the ladder or pedals on the ladder to work, and when the folding ladder does not work, the two ladders can be combined together, so the folding ladder is also called a herringbone ladder.

The utility model with the publication number of CN213418986U discloses a folding ladder, which comprises two ladders which are connected in a rotating way, wherein each ladder comprises two ladder legs which are parallel to each other, the folding ladder is provided with a folding structure which enables the two ladder legs to be close to or far away from each other, and the folding ladder is also provided with a locking structure which enables the two ladder legs to be kept locked when the two ladder legs are far away from each other and reach a working state.

However, the above technical solution has the following drawbacks: the device mainly maintains the stability of the whole structure through two hinged ladders, and if the bottom of the ladder slides with the ground or the hinged parts are separated, the stability of the whole ladder can be seriously affected. And the top end of the herringbone ladder lacks a space for placing tools and handrails, so that the working of workers at the top end of the ladder is very inconvenient.

Disclosure of Invention

The utility model provides a folding ladder aiming at the technical problems in the background technology.

The technical scheme of the utility model is as follows: a folding ladder comprises main ladder legs, reinforcing rods, pedal rods, pedals, auxiliary ladder legs, connecting hinges and a folding workbench.

The main ladder leg and the auxiliary ladder leg are rotationally connected through a connecting hinge. The pedal rods are provided with a plurality of groups, one end of each pedal rod is rotationally connected with the main ladder leg, and the other end of each pedal rod is rotationally connected with the reinforcing rod; the pedal is arranged on the pedal rod; the reinforcing rod is connected with the auxiliary ladder leg in a sliding way. The folding workbench is arranged at the top ends of the main ladder leg and the auxiliary ladder leg.

Preferably, the device further comprises a reinforcing rod; the reinforcing rod sets up the both ends at main ladder leg and vice ladder leg, reinforcing rod and footboard parallel arrangement.

Preferably, the folding workbench comprises a lifting frame, a scissor-type folding frame and a fixing frame; the fixing frame is arranged at the top ends of the main ladder legs and the auxiliary ladder legs; two ends of the scissor type folding frame are respectively arranged on the lifting frame and the fixing frame.

Preferably, the device further comprises a sliding connecting piece; one end of the sliding connecting piece is rotatably arranged on the auxiliary ladder leg, and the other end of the sliding connecting piece is arranged on the reinforcing rod in a sliding manner.

Preferably, the device further comprises a rotary connecting piece; the rotating connecting piece is arranged at the rotating connecting end of each group of pedal rods and the reinforcing rods, and fastening nuts used for fixing the pedal rods and the reinforcing rods are arranged on the rotating connecting piece.

Preferably, the device also comprises a top working frame, a top fixing plate and a turnover surface; the top working frame is arranged at the top ends of the main ladder legs and the auxiliary ladder legs and is rotationally connected with the reinforcing rod; the top fixing plate is arranged on the top working frame; the overturning surface is rotatably arranged on the top fixing plate; the folding workbench is arranged on the overturning surface.

Preferably, the safety handrail is also included; the safety handrail is arranged on the top working frame.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial technical effects: through setting up stiffening rod and footboard pole, be convenient for set up planar footboard on the ladder of chevron shape, planar footboard is more stable for the shaft-like footboard. Simultaneously, the connection of the reinforcing rods and the auxiliary ladder legs is utilized, so that the connection of a group of reinforcing rods is added between the main ladder legs and the auxiliary ladder legs of the herringbone ladder, the overall stability of the ladder is improved, and the stability of the overall ladder is prevented from losing guarantee after the bottom of the ladder slips or the connecting hinge is in a problem. The folding workbench is arranged at the top end of the ladder, and is provided for workers to place tools and handrails, so that the practicability of the ladder is improved. The ladder solves the defects that the top end of the ladder in the prior art lacks a workbench, the overall practicability is low, and tools or handrails are inconvenient to place by workers. And meanwhile, the stability of the whole ladder is improved by arranging the reinforcing rods.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.

Fig. 2 is a schematic diagram of a second embodiment of the present utility model.

Fig. 3 is a schematic diagram of a third embodiment of the present utility model.

Fig. 4 is a schematic structural diagram of an embodiment of the present utility model.

Reference numerals: 1. a main ladder leg; 2. a reinforcing rod; 3. a pedal lever; 4. a pedal; 5. a reinforcing rod; 6. auxiliary ladder legs; 7. a connecting hinge; 8. a top work frame; 9. a top fixing plate; 10. a turnover surface; 11. a folding workbench; 12. rotating the connecting piece; 13. a safety armrest; 14. a lifting frame; 15. a scissor-type folding frame; 16. a fixing frame; 17. a sliding connection.

Detailed Description

Example 1

The folding ladder provided by the embodiment comprises a main ladder leg 1, a reinforcing rod 2, a pedal rod 3, a pedal 4, an auxiliary ladder leg 6, a connecting hinge 7 and a folding workbench 11.

As shown in fig. 1, the main ladder leg 1 and the auxiliary ladder leg 6 are rotatably connected by a connecting hinge 7. The pedal rods 3 are provided with a plurality of groups, one end of each pedal rod 3 is rotationally connected with the main ladder leg 1, and the other end of each pedal rod 3 is rotationally connected with the reinforcing rod 2; the pedal 4 is arranged on the pedal rod 3; the reinforcing rod 2 is in sliding connection with the auxiliary ladder leg 6. The folding table 11 is provided at the top ends of the main ladder leg 1 and the auxiliary ladder leg 6.

In this embodiment, by providing the reinforcement bar 2 and the step bar 3, it is convenient to provide a planar step on the herringbone ladder, which is more stable relative to the stick-shaped step. Simultaneously, the connection of the reinforcing rods 2 is utilized between the reinforcing rods 2 and the auxiliary ladder legs 6, so that the connection of a group of reinforcing rods 2 is added between the main ladder legs 1 and the auxiliary ladder legs 6 of the herringbone ladder, the overall stability of the ladder is improved, and the stability of the overall ladder is prevented from losing guarantee after slipping at the bottom of the ladder or the occurrence of problems of the connecting hinges 7. The folding workbench 11 is arranged at the top end of the ladder and provides a place for workers to place tools and handrails, so that the practicability of the ladder is improved.

Example two

Further, the device also comprises a reinforcing rod 5; the reinforcing rods 5 are arranged at two ends of the main ladder leg 1 and the auxiliary ladder leg 6, and the reinforcing rods 5 are arranged in parallel with the pedals 4. The reinforcing rod 5 is arranged, so that the stability of the whole ladder is improved.

Example III

As shown in fig. 1-2, the main ladder leg 1 and the auxiliary ladder leg 6 are rotatably connected by a connecting hinge 7. The pedal rods 3 are provided with a plurality of groups, one end of each pedal rod 3 is rotationally connected with the main ladder leg 1, and the other end of each pedal rod 3 is rotationally connected with the reinforcing rod 2; the pedal 4 is arranged on the pedal rod 3; the reinforcing rod 2 is in sliding connection with the auxiliary ladder leg 6. The folding table 11 is provided at the top ends of the main ladder leg 1 and the auxiliary ladder leg 6.

Further, the folding workbench 11 comprises a lifting frame 14, a scissor type folding frame 15 and a fixing frame 16; the fixing frame 16 is arranged at the top ends of the main ladder leg 1 and the auxiliary ladder leg 6; the two ends of the scissor type folding frame 15 are respectively arranged on the lifting frame 14 and the fixed frame 16.

Example III

Further, a sliding connector 17 is also included; one end of the sliding connecting piece 17 is rotatably arranged on the auxiliary ladder leg 6, and the other end of the sliding connecting piece 17 is slidably arranged on the reinforcing rod 2.

Example IV

As shown in fig. 1-3, the main ladder leg 1 and the auxiliary ladder leg 6 are rotatably connected by a connecting hinge 7. The pedal rods 3 are provided with a plurality of groups, one end of each pedal rod 3 is rotationally connected with the main ladder leg 1, and the other end of each pedal rod 3 is rotationally connected with the reinforcing rod 2; the pedal 4 is arranged on the pedal rod 3; the reinforcing rod 2 is in sliding connection with the auxiliary ladder leg 6. The folding table 11 is provided at the top ends of the main ladder leg 1 and the auxiliary ladder leg 6.

Further, a rotary connector 12 is included; the rotating connecting piece 12 is arranged at the rotating connecting end of each group of pedal rods 3 and the reinforcing rods 2, and the rotating connecting piece 12 is provided with a fastening nut for fixing the pedal rods 3 and the reinforcing rods 2. The fastening nut is used for fixedly connecting the fixed pedal rod 3 and the reinforcing rod 2 after the ladder is placed, so that the stability of the ladder and the pedal 4 is improved.

Example five

As shown in fig. 1-4, the main ladder leg 1 and the auxiliary ladder leg 6 are rotatably connected by a connecting hinge 7. The pedal rods 3 are provided with a plurality of groups, one end of each pedal rod 3 is rotationally connected with the main ladder leg 1, and the other end of each pedal rod 3 is rotationally connected with the reinforcing rod 2; the pedal 4 is arranged on the pedal rod 3; the reinforcing rod 2 is in sliding connection with the auxiliary ladder leg 6. The folding table 11 is provided at the top ends of the main ladder leg 1 and the auxiliary ladder leg 6.

Further, the device also comprises a top working frame 8, a top fixing plate 9 and a turnover surface 10; the top working frame 8 is arranged at the top ends of the main ladder legs 1 and the auxiliary ladder legs 6, and the top working frame 8 is rotationally connected with the reinforcing rod 2; the top fixing plate 9 is arranged on the top working frame 8; the turnover surface 10 is rotatably arranged on the top fixing plate 9; the folding table 11 is provided on the turn-over surface 10. The provision of the flip top 10 facilitates the storage of the folding work bench 11 when the folding work bench 11 is not required.

Example six

Further, a safety handrail 13 is also included; a safety arm rest 13; a safety arm rest 13 is provided on the top work frame 8.

It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.

Claims

1. The folding ladder comprises a main ladder leg (1), pedals (4), auxiliary ladder legs (6) and a connecting hinge (7), and is characterized by comprising a reinforcing rod (2), pedal rods (3) and a folding workbench (11);

the main ladder leg (1) and the auxiliary ladder leg (6) are rotationally connected through a connecting hinge (7);

the pedal rods (3) are provided with a plurality of groups, one end of each pedal rod (3) is rotationally connected with the main ladder leg (1), and the other end of each pedal rod (3) is rotationally connected with the reinforcing rod (2); the pedal (4) is arranged on the pedal rod (3); the reinforcing rod (2) is in sliding connection with the auxiliary ladder leg (6);

the folding workbench (11) is arranged at the top ends of the main ladder leg (1) and the auxiliary ladder leg (6).

2. A folding ladder according to claim 1, characterized by further comprising a reinforcement bar (5); the reinforcing rods (5) are arranged at two ends of the main ladder leg (1) and the auxiliary ladder leg (6), and the reinforcing rods (5) are arranged in parallel with the pedals (4).

3. A folding ladder according to claim 1, characterized in that the folding work bench (11) comprises a lifting frame (14), a scissor folding frame (15) and a fixing frame (16); the fixing frame (16) is arranged at the top ends of the main ladder leg (1) and the auxiliary ladder leg (6); the two ends of the scissor type folding frame (15) are respectively arranged on the lifting frame (14) and the fixing frame (16).

4. A folding ladder according to claim 1, characterized by further comprising a sliding connection (17); one end of the sliding connecting piece (17) is rotatably arranged on the auxiliary ladder leg (6), and the other end of the sliding connecting piece (17) is slidably arranged on the reinforcing rod (2).

5. A folding ladder according to claim 1, characterized by further comprising a swivel connection (12); the rotating connecting piece (12) is arranged at the rotating connecting end of each group of pedal rods (3) and the reinforcing rods (2), and the rotating connecting piece (12) is provided with a fastening nut for fixing the pedal rods (3) and the reinforcing rods (2).

6. A folding ladder according to claim 1, characterized by further comprising a top work frame (8), a top fixing plate (9) and a tilting surface (10); the top working frame (8) is arranged at the top ends of the main ladder leg (1) and the auxiliary ladder leg (6), and the top working frame (8) is rotationally connected with the reinforcing rod (2); the top fixing plate (9) is arranged on the top working frame (8); the overturning surface (10) is rotatably arranged on the top fixing plate (9); the folding workbench (11) is arranged on the overturning surface (10).

7. A folding ladder according to claim 6, characterized by further comprising safety rails (13); a safety handrail (13); the safety handrail (13) is arranged on the top working frame (8).