CN220955430U - Folding engineering ladder - Google Patents

Abstract

The utility model provides a folding engineering ladder, which relates to the technical field of engineering ladders and comprises engineering ladder frames and pedals, wherein the pedals are fixedly arranged in the engineering ladder frames, connecting rods A and B are symmetrically and fixedly arranged at the top ends of two groups of the engineering ladder frames respectively, the connecting rods A and B are rotationally connected, a top plate is rotationally connected between the two groups of the engineering ladder frames, a connecting hole is formed in one side of the top plate, a fixing rod A and a fixing rod B are fixedly arranged in the engineering ladder frames respectively, an arc-shaped groove is formed in the other side of the top plate, and a bottom plate is fixedly arranged at the bottom end of the engineering ladder frames. According to the folding storage device, the connecting rod A, the connecting rod B and the top plate are arranged, the connecting rod A is rotationally connected with the connecting rod B, so that folding storage of the engineering ladder is realized, meanwhile, the top plate is rotated upwards, folding storage is realized, the top plate is folded into the engineering ladder, and after folding, the engineering ladder is convenient to store and occupies a small space.

Description

Folding engineering ladder

Technical Field

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

Background

The engineering ladder is a tool for high-altitude operation, is generally made of aluminum alloy or steel pipe, has different types such as foldable, telescopic and multi-functional, uses extensively, and publication number CN213627408U has disclosed an engineering ladder, mainly through setting up receiver, roof and fixed knot, the receiver makes the staff accomodate the required accessory of installation prevent, the roof makes the staff can more stable stand on the engineering ladder, fixed knot makes the engineering body fixed, but this engineering ladder can't fold in practical application, occupation space is great when depositing, simultaneously, the roof can't accomodate after the engineering ladder is folding, need improve.

Disclosure of utility model

The present utility model is directed to solving the technical problems set forth in the background art.

The utility model adopts the following technical scheme: the utility model provides a folding engineering ladder, includes engineering ladder frame, footboard fixed mounting is in the inside of engineering ladder frame, two sets of symmetrical fixed mounting respectively has connecting rod A and connecting rod B on the top of engineering ladder frame, connecting rod A and connecting rod B rotate to be connected, two sets of rotate between the engineering ladder frame and be connected with the roof, the connecting hole has been seted up to one side of roof, fixed mounting has dead lever A and dead lever B respectively in the inside of engineering ladder frame, the arc wall has been seted up to the opposite side of roof, the equal fixed mounting in bottom of engineering ladder frame has the bottom plate.

Preferably, the adjacent side of the connecting rod A and the connecting rod B are symmetrically and fixedly provided with convex blocks, and the upper surface of the top plate is symmetrically provided with limiting grooves. Here, the lug is clamped into the limit groove to retract the top plate.

Preferably, the lower surface of the top plate is fixedly provided with a thick plate, and the upper surface of the top plate is fixedly provided with a storage box. Here, the thick plate can consolidate the intermediate position department of roof, and parts such as maintenance gadgets can be placed to the receiver.

Preferably, the fixing rod A is sleeved in the connecting hole, and the fixing rod B is inserted in the arc-shaped groove. Here, dead lever A runs through in the inside of roof, and dead lever B card goes into in the arc wall, puts down the roof, makes things convenient for the staff more stable work of standing on the engineering ladder.

Preferably, hinge rods are rotatably connected between the two groups of engineering ladder frames, and anti-skid pads are fixedly arranged on the surfaces of the pedals, the top plate and the bottom plate. Here, articulated pole makes the engineering ladder place more stably after expanding, and the slipmat can increase frictional force, improves engineering ladder's security.

Preferably, the two sides of the engineering ladder frame are fixedly provided with handrails, the surface of the bottom plate is symmetrically provided with grooves, and the interiors of the grooves are rotationally connected with rollers. Here, the handrails facilitate the unfolding and folding storage of the engineering ladder, and the rollers facilitate the carrying of the engineering ladder.

Preferably, the both sides of gyro wheel are all fixed mounting has the bull stick, the circular slot has been seted up to the inside symmetry of recess, the bull stick rotates with the circular slot to be connected. Here, the rotating rod rotates in the circular groove, so that the roller can rotate in the groove.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. According to the folding storage device, the connecting rod A, the connecting rod B and the top plate are arranged, the connecting rod A is rotationally connected with the connecting rod B, so that folding storage of the engineering ladder is realized, meanwhile, the top plate is rotated upwards when being folded and stored until the protruding blocks are inserted into the limiting grooves, the top plate is fixed after rotation, the top plate is stored in the engineering ladder after being folded, and after being folded, the engineering ladder is convenient to store and occupies small space.

2. According to the utility model, the roller, the rotating rod and the groove are arranged, and the rotating rod rotates in the circular groove, so that the roller rotates in the groove, and the roller is rotated out, thereby being convenient for carrying the engineering ladder.

Drawings

Fig. 1 is a schematic perspective view of a folding engineering ladder according to the present utility model;

Fig. 2 is a schematic diagram of an explosion structure of a folding engineering ladder according to the present utility model;

FIG. 3 is a partial cross-sectional view of a folding engineering ladder according to the present utility model;

Fig. 4 is a schematic structural view of a top plate of a folding engineering ladder according to the present utility model;

fig. 5 is a schematic structural view of a connection between a roller and a groove of a folding engineering ladder according to the present utility model.

Legend description:

1. Engineering ladder rack; 2. a pedal; 3. a connecting rod A; 4. a connecting rod B; 5. a fixed rod A; 6. a fixed rod B; 7. a top plate; 8. a thick plate; 9. a storage box; 10. an anti-slip pad; 11. a connection hole; 12. an arc-shaped groove; 13. a limit groove; 14. a bump; 15. a hinge rod; 16. an armrest; 17. a bottom plate; 18. a groove; 19. a roller; 20. a rotating rod; 21. a circular groove.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Example 1

Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a folding engineering ladder, including engineering ladder frame 1, footboard 2 fixed mounting is in the inside of engineering ladder frame 1, symmetrical fixed mounting has connecting rod A3 and connecting rod B4 respectively on the top of two sets of engineering ladder frame 1, connecting rod A3 and connecting rod B4 rotate to be connected, rotate between two sets of engineering ladder frame 1 and be connected with roof 7, connecting hole 11 has been seted up to one side of roof 7, the inside of engineering ladder frame 1 has dead lever A5 and dead lever B6 respectively, arc wall 12 has been seted up to the opposite side of roof 7, the equal fixed mounting in bottom of engineering ladder frame 1 has bottom plate 17, roof 7 provides more stable operation platform for the staff, bottom plate 17 can increase engineering ladder frame 1 and the area of contact on ground, make engineering ladder frame 1 place more stably.

Referring to fig. 1-4, a bump 14 is symmetrically and fixedly installed on one side of a connecting rod A3 and a connecting rod B4, a limit groove 13 is symmetrically formed in the upper surface of a top plate 7, the bump 14 is clamped into the limit groove 13, the top plate 7 is retracted, a thick plate 8 is fixedly installed on the lower surface of the top plate 7, a storage box 9 is fixedly installed on the upper surface of the top plate 7, the thick plate 8 can strengthen the middle position of the top plate 7, parts such as maintenance accessories can be placed in the storage box 9, a fixing rod A5 is sleeved in a connecting hole 11, a fixing rod B6 is inserted in an arc groove 12, the fixing rod A5 penetrates through the inside of the top plate 7, the fixing rod B6 is clamped into the arc groove 12, the top plate 7 is put down, a worker can conveniently and stably stand on an engineering ladder, a hinging rod 15 is rotationally connected between two groups of engineering ladder frames 1, anti-slip pads 10 are fixedly installed on the surfaces of the pedal 2, the top plate 7 and the bottom plate 17, the anti-slip pads 10 can be increased in friction after being placed after being unfolded, and the engineering ladder safety is improved.

Example two

Referring to fig. 1 and 5, handrails 16 are fixedly installed on two sides of an engineering ladder frame 1, grooves 18 are symmetrically formed in the surface of a bottom plate 17, rollers 19 are rotatably connected in the grooves 18, the handrails 16 facilitate the unfolding and folding storage of the engineering ladder, the rollers 19 facilitate the transportation of the engineering ladder, rotating rods 20 are fixedly installed on two sides of the rollers 19, round grooves 21 are symmetrically formed in the grooves 18, the rotating rods 20 are rotatably connected with the round grooves 21, the rotating rods 20 rotate in the round grooves 21, the rollers 19 can rotate in the grooves 18, when the engineering ladder is unfolded and used, the rollers 19 rotate to a horizontal position, and when the engineering ladder is transported, the rollers 19 rotate to a vertical position.

Working principle: before using this engineering ladder, when needing to fold and expand engineering ladder 1 and use, the user is through outwards pulling handrail 16, two sets of engineering ladder 1 are later outwards moved, make and rotate between connecting rod A3 and the connecting rod B4 and expand, articulated lever 15 expands to horizontal angle, roof 7 is later downwards rotated, until dead lever B6 contacts with arc groove 12, dead lever B6 inserts and fixes in arc groove 12, at this moment, roof 7 is in horizontal position department, thereby make engineering ladder 1 fold and expand, after using this engineering ladder, when needing to fold engineering ladder 1 and deposit, the user is through inwards pushing handrail 16, two sets of engineering ladder 1 are later inwards moved, make and rotate between connecting rod A3 and the connecting rod B4 and fold, articulated lever 15 folds to vertical angle, roof 7 is later upwards rotated, until lug 14 contacts with spacing groove 13, lug 14 inserts and fixes in spacing groove 13, at this moment, roof 7 is in vertical position department, roof 7 can accomodate in engineering ladder 1's inside, and make engineering ladder 1 fold, make engineering ladder fold, moreover, it is convenient to fold and store in the round groove 19 through the roll-out at the recess, thereby reduce the gyro wheel is convenient to store in the roll wheel 19, the roll-out is convenient for carrying.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (7)

1. The utility model provides a folding engineering ladder, includes engineering ladder frame (1), footboard (2), its characterized in that: footboard (2) fixed mounting is in the inside of engineering ladder frame (1), two sets of the top of engineering ladder frame (1) symmetry fixed mounting has connecting rod A (3) and connecting rod B (4) respectively, connecting rod A (3) and connecting rod B (4) rotate to be connected, two sets of rotate between engineering ladder frame (1) and be connected with roof (7), connecting hole (11) have been seted up to one side of roof (7), the inside of engineering ladder frame (1) is fixed mounting respectively has dead lever A (5) and dead lever B (6), arc wall (12) have been seted up to the opposite side of roof (7), the equal fixed mounting in bottom plate (17) of the bottom of engineering ladder frame (1).

2. The folding engineering ladder of claim 1, wherein: the connecting rod A (3) and the connecting rod B (4) are symmetrically and fixedly provided with protruding blocks (14) on one side close to each other, and limit grooves (13) are symmetrically formed in the upper surface of the top plate (7).

3. The folding engineering ladder of claim 1, wherein: the lower surface of roof (7) is fixed mounting has thick plate (8), the upper surface of roof (7) is fixed mounting has receiver (9).

4. The folding engineering ladder of claim 1, wherein: the fixing rod A (5) is sleeved in the connecting hole (11), and the fixing rod B (6) is inserted in the arc-shaped groove (12).

5. The folding engineering ladder of claim 1, wherein: the two groups of engineering ladder frames (1) are rotationally connected with a hinging rod (15), and anti-skid pads (10) are fixedly arranged on the surfaces of the pedals (2), the top plate (7) and the bottom plate (17).

6. The folding engineering ladder of claim 1, wherein: the two sides of the engineering ladder frame (1) are fixedly provided with handrails (16), grooves (18) are symmetrically formed in the surface of the bottom plate (17), and rollers (19) are rotatably connected in the grooves (18).

7. The folding engineering ladder of claim 6 wherein: the two sides of the roller (19) are fixedly provided with rotating rods (20), round grooves (21) are symmetrically formed in the grooves (18), and the rotating rods (20) are rotationally connected with the round grooves (21).