CN216950209U

CN216950209U - Step ladder with foldable handrail

Info

Publication number: CN216950209U
Application number: CN202220118048.2U
Authority: CN
Inventors: 谢敏敏; 马军; 刘晓
Original assignee: Anhui Kelu Equipment Co ltd
Current assignee: Anhui Kelu Equipment Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-07-12
Anticipated expiration: 2032-01-17

Abstract

The utility model relates to a ladder with folding handrails, which comprises an edge beam, handrails and at least two groups of connecting components for connecting the edge beam and the handrails; coupling assembling including locating the support on the handrail, locating the limit piece on the boundary beam, with limit piece riveted fixing base, with support and fixing base articulated bracing piece, the cover is equipped with two locking sleeves on one of them bracing piece, support and fixing base bottom all are equipped with the screw thread seat, two locking sleeves respectively with the screw thread seat threaded connection of support and fixing base bottom, be used for restricting the bracing piece after the locking sleeve locking and rotate. The handrail is additionally arranged on the basis of the original step ladder, so that the safety of ladder climbers is enhanced, the ladder is more humanized, accidents can be reduced, the safety is improved, the handrail is foldable, the occupied size is small after the handrail is folded, and the ladder is convenient to carry and transport.

Description

Step ladder with foldable handrail

Technical Field

The utility model belongs to the technical field of vehicle steps, and particularly relates to a step with a foldable handrail.

Background

The foundation structure of step is two and sets up parallel boundary beam, then set up a plurality of pedals that are used for the supporting legs between two boundary beams, the step is the equipment that the personnel of being convenient for that military van or military shelter car were equipped with went on the bus, the army is when training or going out the mission, time is nervous, nevertheless the import position of military van or military shelter has a take the altitude apart from ground, if with the help of equipment, it can consume more time and physical power to step on the bus, in personnel arrived carriage or shelter through the climbing step, then can save time and physical power.

Although the normal demand of ascending a height can be satisfied to the ladder among the prior art, does not have safety protection's structure, has certain potential safety hazard to the personnel of ascending a ladder, causes the incident even when serious, consequently needs design on prior art's basis, solves this type of problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a ladder with a folding handrail, which has a simple structure and reasonable design.

The utility model realizes the purpose through the following technical scheme:

a ladder with folding handrails comprises a boundary beam, handrails and at least two groups of connecting components for connecting the boundary beam and the handrails;

coupling assembling including locating the support on the handrail, locating the limit piece on the boundary beam, with limit piece riveted fixing base, with support and fixing base articulated bracing piece, the cover is equipped with two locking sleeves on one of them bracing piece, support and fixing base bottom all are equipped with the screw thread seat, two locking sleeves respectively with the screw thread seat threaded connection of support and fixing base bottom, be used for restricting the bracing piece after the locking sleeve locking and rotate.

As a further optimized scheme of the utility model, one end of the edge beam, which is far away from the ground, is riveted with a hook.

As a further optimization scheme of the utility model, one end of the edge beam, which is close to the ground, is provided with an anti-skidding foot pad.

As a further optimization scheme of the utility model, the edge blocks and the edge beams are connected in a welding mode.

As a further optimization scheme of the utility model, two grooves are arranged on one of the supporting rods and are respectively used for marking the locked positions of the two locking sleeves.

As a further optimization scheme of the utility model, connecting pieces are arranged between the pedal and the two side beam bottom plates for realizing the rotary connection of the pedal and the two side beam bottom plates, a pressing plate is covered above the side beam bottom plates for pressing the pedal on the side beam, and a plurality of groups of fixing assemblies are arranged between the pressing plate and the side beam bottom plates.

As a further optimization scheme of the utility model, the connecting piece comprises a connecting shaft fixedly connected with the edge beam bottom plate and a baffle arranged at the top of the connecting shaft.

As a further optimization scheme of the utility model, the fixing assembly comprises a fixing cylinder arranged on the bottom plate of the boundary beam, a fixing rod in threaded connection with the pressing plate and the fixing cylinder, and a pressing block arranged at the top end of the fixing rod, wherein anti-skid grains are arranged on the pressing block.

As a further optimization scheme of the utility model, a plurality of springs are arranged between the pressure plate and the edge beam bottom plate.

The utility model has the beneficial effects that:

1) according to the utility model, the handrails are additionally arranged on the basis of the original step ladder, so that the safety sense of ladder climbers is increased, the ladder is more humanized, accidents can be reduced, the safety is improved, the handrails are foldable, the folded handrails occupy small volume, and the ladder is convenient to carry and transport;

2) the pedal is connected with the side beam bottom plates through the connecting piece, the pedal can rotate relative to the two side beam bottom plates, the two side beams can be relatively close to each other and contract together, the occupied space is reduced, the carrying is convenient, the pedal can be limited to rotate by pressing the pedal through the fixing assembly and the pressing plate, and the use of ladder climbers is convenient.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a side view of the armrest of the present invention in an expanded state.

Fig. 3 is a cross-sectional view of the connection assembly of the present invention.

Fig. 4 is a side view of the armrest of the present invention in a folded state.

Fig. 5 is a top view of the sill and deck of the present invention in an expanded condition.

Fig. 6 is a top view of the sill and running board of the present invention in a collapsed condition.

Fig. 7 is an elevation view of a connector and fixation assembly of the present invention.

In the figure: 1. a boundary beam; 2. a pedal; 3. hooking; 4. anti-skid foot pads; 5. an edge block; 6. a handrail; 7. a support; 8. a fixed seat; 9. a support bar; 10. a locking sleeve; 11. a groove; 12 a threaded seat; 13. pressing a plate; 14. a fixed cylinder; 15. a fixing rod; 16. briquetting; 17. a connecting shaft; 18. a baffle plate; 19. a spring.

Detailed Description

The present application will now be described in further detail with reference to the drawings, and it should be noted that the following detailed description is given for purposes of illustration only and should not be construed as limiting the scope of the present application, as these numerous insubstantial modifications and variations can be made by those skilled in the art based on the teachings of the present application.

Example 1

As shown in fig. 1-4, a ladder with foldable handrails comprises handrails 6 and at least two groups of connecting components for connecting the side beams 1 and the handrails 6;

coupling assembling is including locating support 7 on handrail 6, locating limit piece 5 on boundary beam 1, with limit piece 5 riveted fixing base 8, with

support

7 and 8 articulated bracing piece 9 of fixing base, the cover is equipped with two locking sleeve 10 on one of them bracing piece 9, support 7 and 8 bottoms of fixing base all are equipped with screw thread seat 12, two locking sleeve 10 respectively with the screw thread seat 12 threaded connection in support 7 and the 8 bottoms of fixing base, be used for restricting the bracing piece 9 after locking sleeve 10 locks and rotate.

Preferably, one end, far away from the ground, of the boundary beam 1 is riveted with a hook 3, the hook 3 is hung on a hanging ring or a hanging rod used for fixing on the vehicle, and at the moment, the equipment and the vehicle are connected together through the hook 3.

Preferably, the one end that boundary beam 1 is close to ground is provided with anti-skidding callus on the sole 4, and anti-skidding callus on the sole 4 and ground or bottom sprag face contact for support this equipment, anti-skidding callus on the sole 4 and ground or bottom sprag face contact can increase frictional force, play anti-skidding effect, increase stability, safer.

In this embodiment, the edge block 5 and the edge beam 1 are connected by welding, and the edge block 5 is welded on the edge beam 1, so that the edge block is firmer and more stable.

Furthermore, two grooves 11 are formed in one of the support rods 9, the two grooves 11 are used for marking the positions of the two locking sleeves 10 after being locked respectively, the two locking sleeves 10 are rotated to connect the two locking sleeves 10 with the support 7 and the fixing seat 8 respectively, and the grooves 11 are used for being used as locking position marks, so that the safety and the reliability of operation are mainly considered.

The implementation mode is specifically as follows: when in use, the hook 3 is firstly hung on a hanging ring or a hanging rod which is used for fixing on a vehicle, the anti-skid foot pad 4 is contacted with the ground or a bottom supporting surface, after the anti-skid foot pad is placed, the handrail 6 is held by hands to be lifted upwards, the supporting rod 9 is hinged with the supporting seat 7 and the fixing seat 8, therefore, when the handrail 6 is lifted upwards, the supporting rod 9 can rotate relative to the supporting seat 7 and the fixing seat 8, then the two locking sleeves 10 are moved to the two ends of the supporting rod 9 and are respectively connected with the two threaded seats 12 in a threaded way, the side block 5, the supporting seat 7, the fixing seat 8 and the supporting rod 9 are used for supporting the handrail 6, when a person climbs a ladder, the handrail 6 can be held by the hands, the safety can be improved, when the hand is not used, the fixed relation between the two locking sleeves 10 and the threaded seats 12 is released, the supporting rod 9 is hinged with the supporting seat 7 and the fixing seat 8, therefore, under the action of gravity of the handrail 6, the supporting rod 9 can rotate relative to the supporting seat 7 and the fixing seat 8, the handrail 6 and the connecting component can be stored in the state shown in figure 4 by pressing the handrail 6 downwards, so that the ladder is convenient to carry and transport, the occupied space is reduced, and the ladder is more convenient.

Example 2

As shown in fig. 1 and fig. 5-7, a step ladder with foldable handrails, wherein connecting pieces are arranged between a pedal 2 and two bottom plates of a side beam 1 of the step ladder for realizing the rotary connection of the pedal 2 and the two bottom plates of the side beam 1, a pressing plate 13 is covered above the bottom plate of the side beam 1 for pressing the pedal 2 on the side beam 1, and a plurality of groups of fixing assemblies are arranged between the pressing plate 13 and the bottom plate of the side beam 1.

Preferably, the connecting piece comprises a connecting shaft 17 fixedly connected with the bottom plate of the boundary beam 1 and a baffle 18 arranged at the top of the connecting shaft 17, the connecting shaft 17 penetrates through the pedal 2 and the pressing plate 13 to limit the pedal 2 and the pressing plate 13, when a gap exists between the pressing plate 13 and the bottom plate of the boundary beam 1, the pedal 2 can rotate relative to the bottom plate of the boundary beam 1 so as to conveniently contract the two boundary beams 1 as shown in the state of figure 6, and the baffle 18 plays a role in blocking the pressing plate 13 and prevents the pressing plate 13 from being separated from the top of the connecting shaft 17.

Preferably, the fixing assembly comprises a fixing cylinder 14 arranged on the bottom plate of the boundary beam 1, a fixing rod 15 in threaded connection with the pressing plate 13 and the fixing cylinder 14, and a pressing block 16 arranged at the top end of the fixing rod 15, the pressing block 16 is provided with anti-skid threads, the pressing block 16 is screwed, the fixing rod 15 extends into the fixing cylinder 14, the pressing plate 13 can gradually move downwards, the pressing plate 16 presses the pedal 2 towards the bottom plate of the boundary beam 1, the pressing block 16 is screwed in the opposite direction, the fixing rod 15 is moved out of the fixing cylinder 14, the pressing plate 13 and the bottom plate of the boundary beam 1 are released from a fixed relation, the pressing plate 13 can move upwards, and a gap is reserved between the pressing plate 13 and the bottom plate of the boundary beam 1, so that the pedal 2 can rotate relative to the bottom plate of the boundary beam 1.

Preferably, a plurality of springs 19 are arranged between the pressure plate 13 and the bottom plate of the edge beam 1 to connect the pressure plate 13 and the bottom plate of the edge beam 1, and when a gap is left between the pressure plate 13 and the bottom plate of the edge beam 1, the pressure plate 13 is supported by the springs 19, so that the pedal 2 can rotate more smoothly relative to the bottom plate of the edge beam 1.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. The utility model provides a step ladder with foldable handrail which characterized in that: comprises an edge beam (1), armrests (6) and at least two groups of connecting components for connecting the edge beam (1) and the armrests (6);

coupling assembling is including locating support (7) on handrail (6), locating limit piece (5) on boundary beam (1), with limit piece (5) riveted fixing base (8), with support (7) and fixing base (8) articulated bracing piece (9), the cover is equipped with two locking sleeve (10) on one of them bracing piece (9), support (7) and fixing base (8) bottom all are equipped with screw thread seat (12), two locking sleeve (10) respectively with screw thread seat (12) threaded connection in support (7) and fixing base (8) bottom, be used for restricting bracing piece (9) to rotate after locking sleeve (10) locking.

2. A ladder with foldable handrails as claimed in claim 1, wherein: and one end of the edge beam (1) far away from the ground is riveted with a hook (3).

3. A ladder with foldable handrails as claimed in claim 1, wherein: and an anti-skidding foot pad (4) is arranged at one end of the boundary beam (1) close to the ground.

4. A ladder with foldable handrails as claimed in claim 1, wherein: the edge blocks (5) and the edge beam (1) are connected in a welding mode.

5. A ladder with foldable handrails as claimed in claim 1, characterized in that: two grooves (11) are formed in one of the support rods (9), and the two grooves (11) are used for marking the positions of the two locking sleeves (10) after locking.

6. A ladder with foldable handrails as claimed in claim 1, characterized in that: all be equipped with the connecting piece between footboard (2) and two boundary beam (1) bottom plates and be used for realizing that this footboard (2) is connected with the rotation of two boundary beam (1) bottom plates, boundary beam (1) bottom plate top covers has clamp plate (13) to be used for suppressing footboard (2) on this boundary beam (1), be equipped with the fixed subassembly of multiunit between clamp plate (13) and boundary beam (1) bottom plate.

7. A ladder with foldable handrails according to claim 6, characterized in that: the connecting piece includes connecting axle (17) with boundary beam (1) bottom plate fixed connection, locates baffle (18) at connecting axle (17) top.

8. A ladder with foldable handrails as claimed in claim 6, characterized in that: the fixing assembly comprises a fixing cylinder (14) arranged on a bottom plate of the boundary beam (1), a fixing rod (15) in threaded connection with the pressing plate (13) and the fixing cylinder (14), and a pressing block (16) arranged at the top end of the fixing rod (15), and anti-skidding grains are arranged on the pressing block (16).

9. A ladder with foldable handrails according to claim 6, characterized in that: and a plurality of springs (19) are arranged between the pressure plate (13) and the bottom plate of the edge beam (1).