CN216766732U

CN216766732U - Slope-adjustable movable stair

Info

Publication number: CN216766732U
Application number: CN202220016016.1U
Authority: CN
Inventors: 范金雄
Original assignee: Dalian Huafeng Baigang Aluminum Co ltd
Current assignee: Dalian Huafeng Baigang Aluminum Co ltd
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2022-06-17
Anticipated expiration: 2032-01-05

Abstract

The utility model discloses a slope-adjustable movable stair, which comprises a platform and an auxiliary supporting mechanism, wherein two opposite side walls of the platform are respectively and rotatably connected with two mutually parallel swinging plates, a plurality of pedals are horizontally arranged between the two opposite swinging plates, and one side of the lower end of the platform, which is far away from the pedals, is vertically and fixedly connected with a supporting rod. The efficiency of the swash plate slope adjustment is improved.

Description

Slope-adjustable movable stair

Technical Field

The utility model relates to the technical field of movable stairs, in particular to a movable stair with an adjustable gradient.

Background

In order to ascend the movable working platform, a stair is arranged between the platform and the ground, so that workers can conveniently ascend the stair, and the ascending efficiency of the workers is improved.

Current work platform is used for the stair to adopt fixed setting mostly, and the slope can not be adjusted, can't change the shared space of removal stair, and in the comparatively narrow and small position in space, fixed volume's work platform is difficult to put the assigned position, influences the normal work of staff, and the person of not being convenient for uses.

In view of the above problems, an improved stair with adjustable gradient is designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a movable stair with an adjustable gradient, which aims to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a movable stair with adjustable gradient comprises a platform and an auxiliary supporting mechanism, wherein two opposite side walls of the platform are respectively and rotatably connected with two swinging plates which are parallel to each other, a plurality of pedals which are convenient to use and tread for ascending are horizontally arranged between the two opposite swinging plates at equal intervals, two sides of each pedal are respectively and fixedly connected with a rotating column, the rotating columns are rotatably connected on the side walls of the swinging plates, the lower end of the pedal farthest from the platform is fixedly connected with a fixed frame, one side of the lower end of the platform, far away from the pedals, is vertically and fixedly connected with a supporting rod for supporting the platform, the lower end of the supporting rod is fixedly connected with a supporting block, the lower ends of the supporting block and the fixed frame are respectively provided with a movable wheel, the movable wheels at the lower ends of the supporting blocks are fixedly installed at the lower ends of the supporting blocks, one side of the supporting block, close to the pedals, is rotatably connected with an electric telescopic rod through a hinge, the output end of the electric telescopic rod is rotatably connected to the lower end of the side wall of the swinging plate through a hinge.

The auxiliary supporting mechanism is arranged in the fixed frame and used for still enabling the moving wheel below the fixed frame to be in contact with the ground after the swinging plate swings and keeping the platform horizontal.

As a further scheme of the utility model: the auxiliary supporting mechanism comprises a bidirectional screw rod, the bidirectional screw rod is rotatably connected inside the fixed frame, one end of the bidirectional screw rod penetrates through a rotating disc of the fixed frame fixedly connected with a user convenient to rotate the bidirectional screw rod, two opposite-direction threads of the bidirectional screw rod are respectively connected with a moving block in a rotating mode through threads, the lower end of the moving block is connected with a swinging rod through a hinge in a rotating mode, the lower end of the swinging rod is connected with a mounting plate through a hinge in a rotating mode, the swinging rod is inclined to one side away from the central position of the fixed frame, and a moving wheel below the fixed frame is fixedly mounted at the lower end of the mounting plate.

As a still further scheme of the utility model: the platform and the swinging plate are fixedly connected with railings for protecting users.

As a still further scheme of the utility model: the upper end of the pedal is fixedly connected with a friction lug used for increasing the friction force at the upper end of the pedal.

As a still further scheme of the utility model: and a rocking handle which is convenient for a user to rotate the rotating disc is arranged on the rotating disc.

As a still further scheme of the utility model: the inside fixedly connected with of bracing piece is used for improving the strengthening rib of bracing piece structural strength.

As a still further scheme of the utility model: the shock pad that is used for carrying out the buffering shock attenuation to removing the wheel is fixedly connected with on the removal wheel lateral wall.

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

1. the electric telescopic rod pushes the swing plate to swing, and the parallelogram is formed between the swing plate and the pedal, so that the level of the pedal can be kept, the gradient of the swing plate can be adjusted, and the gradient adjusting efficiency of the swing plate can be effectively improved.

2. The auxiliary support mechanism is arranged, after the swing plate swings, the lower end of the swing plate is far away from the ground, the two moving blocks are driven to move relatively through the bidirectional screw rod, so that the height of the mounting plate is adjusted through the swing rod, the moving wheels are in close contact with the ground, the level of the platform is kept, and the gradient adjustment efficiency of the swing plate is improved.

Drawings

FIG. 1 is a schematic three-dimensional structure of the present invention.

Fig. 2 is a schematic structural view of the auxiliary supporting mechanism of the present invention.

FIG. 3 is a schematic view showing the structure of the swing plate of the present invention.

Wherein: 1. a platform; 2. a support bar; 3. a support block; 4. a moving wheel; 5. an electric telescopic rod; 6. rotating the column; 7. rotating the disc; 8. mounting a plate; 9. a fixing frame; 10. a pedal; 11. a swing plate; 12. a railing; 13. a bidirectional screw; 14. a moving block; 15. a swing lever.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, in the embodiment of the present invention, a slope-adjustable moving staircase includes a platform 1 and an auxiliary supporting mechanism, two opposite side walls of the platform 1 are rotatably connected to two parallel swing plates 11, a plurality of pedals 10 convenient for stepping and ascending are horizontally disposed between the two opposite swing plates 11, the pedals 10 are equidistantly disposed, two sides of the pedals 10 are fixedly connected to rotation columns 6, the rotation columns 6 are rotatably connected to side walls of the swing plates 11, wherein a lower end of the pedal 10 farthest from the platform 1 is fixedly connected to a fixed frame 9, a side of the lower end of the platform 1 far from the pedals 10 is vertically and fixedly connected to a supporting rod 2 for supporting the platform 1, a supporting block 3 is fixedly connected to the lower end of the supporting rod 2, and moving wheels 4 are disposed at lower ends of the supporting block 3 and the fixed frame 9, the movable wheel 4 of supporting shoe 3 lower extreme fixed mounting is at the 3 lower extremes of supporting shoe, equal fixedly connected with carries out the railing 12 that the user protected on platform 1 and the swinging plate 11, one side that supporting shoe 3 is close to footboard 10 is rotated through the hinge and is connected with electric telescopic handle 5, electric telescopic handle 5's output is rotated through the hinge and is connected at the 11 lateral wall lower extremes of swinging plate.

During the use, promote swing plate 11 through electric telescopic handle 5 and swing, because form parallelogram between swing plate 11 and the footboard 10, consequently can keep the level of footboard 10, realize the regulation to swing plate 11 slope simultaneously, can effectively improve the efficiency that swing plate 11 slope was adjusted, convenient to use person uses.

The auxiliary supporting mechanism is arranged in the fixed frame 9 and is used for enabling the moving wheel 4 below the fixed frame 9 to be in contact with the ground after the swinging plate 11 swings, and keeping the platform 1 horizontal.

The auxiliary supporting mechanism comprises a bidirectional screw 13, the bidirectional screw 13 is rotatably connected inside a fixed frame 9, one end of the bidirectional screw 13 penetrates through a rotating disc 7 fixedly connected with the fixed frame 9 and used for facilitating a user to rotate the bidirectional screw 13, two opposite-direction threads of the bidirectional screw 13 are respectively connected with a moving block 14 in a rotating mode through threads, the lower end of the moving block 14 is connected with a swinging rod 15 in a rotating mode through a hinge, the lower end of the swinging rod 15 is connected with a mounting plate 8 in a rotating mode through the hinge, the lower end of the swinging rod 15 inclines towards one side away from the central position of the fixed frame 9, and a moving wheel 4 below the fixed frame 9 is fixedly mounted at the lower end of the mounting plate 8.

The auxiliary supporting mechanism is used for keeping the lower end of the oscillating plate 11 away from the ground after the oscillating plate 11 oscillates, and the two moving blocks 14 are driven to move relatively through the bidirectional screw 13, so that the oscillating rod 15 adjusts the height of the mounting plate 8, the moving wheels 4 are in close contact with the ground, the level of the platform 1 is kept, the gradient adjusting efficiency of the oscillating plate 11 is improved, and convenience is brought to a user.

The working principle of the utility model is as follows:

during the use, start electric telescopic handle 5, electric telescopic handle 5's output promotes swing plate 11 and swings, and under parallelogram's effect, swing plate 11 drives footboard 10 and carries out the slope and adjust to keep the level of footboard 10 all the time.

After the adjustment is completed, the rotating disc 7 is rotated, the rotating disc 7 drives the bidirectional screw 13 to rotate, under the action of the threads, the bidirectional screw 13 drives the two moving blocks 14 to move relatively, the moving blocks 14 drive the oscillating rod 15 to move, under the action of the hinge, the oscillating rod 15 drives the mounting plate 8 to lift, the mounting plate 8 drives the moving wheel 4 to move, and therefore the moving wheel 4 is tightly attached to the ground.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.

Claims

1. The utility model provides a slope adjustable removal stair, includes platform (1) and auxiliary stay mechanism, all rotate on two relative lateral walls of platform (1) and be connected with two swing boards (11) that are parallel to each other, its characterized in that, level is provided with a plurality of and tramples footboard (10) of ascending a height between two relative swing boards (11), the equidistance sets up between footboard (10), the equal fixedly connected with rotation post (6) in both sides of footboard (10), rotation post (6) rotate and connect on swing board (11) lateral wall, wherein footboard (10) lower extreme fixedly connected with fixed frame (9) farthest away from platform (1), the vertical fixedly connected with in one side that footboard (10) were kept away from to platform (1) lower extreme has bracing piece (2) that are used for supporting platform (1), bracing piece (2) lower extreme fixedly connected with supporting shoe (3), the lower ends of the supporting block (3) and the fixing frame (9) are respectively provided with a movable wheel (4), the movable wheels (4) at the lower ends of the supporting block (3) are fixedly arranged at the lower ends of the supporting block (3), one side of the supporting block (3) close to the pedal (10) is rotatably connected with an electric telescopic rod (5) through a hinge, and the output end of the electric telescopic rod (5) is rotatably connected with the lower end of the side wall of the swinging plate (11) through the hinge;

the auxiliary supporting mechanism is arranged in the fixed frame (9) and is used for still enabling the moving wheel (4) below the fixed frame (9) to be in contact with the ground after the swinging plate (11) swings, and keeping the platform (1) horizontal.

2. Stair mobile according to claim 1, characterised in that said auxiliary support means comprise a bidirectional screw (13), the bidirectional screw (13) is rotatably connected inside the fixed frame (9), one end of the bidirectional screw (13) penetrates through the fixed frame (9) and is fixedly connected with a rotating disc (7) which is convenient for a user to rotate the bidirectional screw (13), two opposite threads of the bidirectional screw (13) are both connected with a movable block (14) through threads in a rotating way, the lower end of the moving block (14) is rotationally connected with a swinging rod (15) through a hinge, the lower end of the swing rod (15) is rotationally connected with a mounting plate (8) through a hinge, the lower end of the swing rod (15) is inclined to one side far away from the central position of the fixed frame (9), the moving wheel (4) below the fixed frame (9) is fixedly arranged at the lower end of the mounting plate (8).

3. A gradient adjustable mobile staircase according to claim 1, characterised in that railings (12) for protection of the user are fixedly connected to both the platform (1) and the swinging board (11).

4. The stair with adjustable gradient according to claim 1, wherein friction lugs for increasing the friction force at the upper end of the tread (10) are fixedly connected to the upper end of the tread (10).

5. A grade adjustable mobile stairway according to claim 2, wherein the turn disc (7) is provided with a crank for facilitating rotation of the turn disc (7) by a user.

6. The slope-adjustable mobile stair according to claim 1, characterized in that reinforcing ribs for improving the structural strength of the support rods (2) are fixedly connected inside the support rods (2).

7. The slope-adjustable mobile stair according to claim 1, wherein a shock pad for buffering and damping the mobile wheel (4) is fixedly connected to the side wall of the mobile wheel (4).