CN219429453U

CN219429453U - Anti-pinch device of escalator

Info

Publication number: CN219429453U
Application number: CN202320763267.0U
Authority: CN
Inventors: 高瑞琦; 邓代安
Original assignee: Shaanxi Special Equipment Inspection And Testing Institute
Current assignee: Shaanxi Special Equipment Inspection And Testing Institute
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-07-28
Anticipated expiration: 2033-04-10

Abstract

The utility model relates to the field of escalator protection devices, and discloses an anti-pinch device of an escalator, which comprises an outer box, wherein a lifting groove is formed in the middle of the inner side of the outer box, a knob is arranged on the right side of the outer box, a worm is fixedly connected to the left part of the knob, worm wheels are connected to the left part and the right part of the rear side of the worm in a meshed mode, a threaded rod is fixedly connected to the middle part of the worm wheel, a first limiting piece is fixedly connected to the top of the threaded rod, a connecting block is connected to the periphery of the threaded rod in a threaded mode, lifting blocks are fixedly connected to the opposite sides of the two connecting blocks, a limiting groove is formed in the lifting block, a second limiting piece is connected to the inside of the limiting groove in a sliding mode, and a limiting rod is fixedly connected to the bottom of the second limiting piece. According to the utility model, the lifting block is lifted according to the required height by rotating the worm through the knob and matching with the worm wheel, the threaded rod and the connecting block, and the gap between the handrail inlet rubber ring and the handrail is sealed through the lifting block.

Description

Anti-pinch device of escalator

Technical Field

The utility model relates to the field of escalator protection devices, in particular to an anti-clamping device of an escalator.

Background

The escalator is composed of a chain conveyor with a special structure and two belt conveyors with special structure, and is provided with a circulating motion ladder path and a fixed electric driving device for conveying passengers upwards or downwards in an inclined manner between different floors of a building. A continuous conveyor for transporting persons up and down. The escalator consists of a ladder way and handrails at two sides. The main components of the elevator comprise steps, a traction chain, a chain wheel, a guide rail system, a main transmission system, a driving main shaft, a ladder way tensioning device, a handrail system, a comb plate, an escalator framework, an electric system and the like. The steps move horizontally at the entrance of the passenger and gradually form steps later; the steps gradually disappear near the outlet, and the steps move horizontally again. The motions are realized by the steps of the main wheel and the auxiliary wheel respectively walking along different step guide rails.

In recent years, the accident of clamping people at the entrance of the escalator handrail is frequent, and basically children play at the entrance of the escalator handrail under the condition of no supervision because of curiosity and curiosity, so that fingers are pinched off, palms or small arms are fractured, even death accidents are caused, and how to avoid the occurrence of the accidents becomes urgent. This proposes an anti-pinch device for an escalator to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides an anti-clamping device of an escalator.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an automatic anti-pinch device of staircase, includes outer box, outer inboard middle part of box is provided with the lift groove, outer box right side is provided with the knob, knob left part fixedly connected with worm, two equal meshing are connected with the worm wheel about the worm rear side, worm wheel middle part fixedly connected with threaded rod, threaded rod top fixedly connected with spacing piece one, threaded rod periphery threaded connection has the connecting block, two equal fixedly connected with lifter in one side in opposite directions of connecting block, the inside spacing groove that is provided with of lift block, spacing inslot portion sliding connection has spacing piece two, spacing piece two bottom fixedly connected with gag lever post.

As a further description of the above technical solution:

the lifting block is in sliding connection with the inside of the lifting groove, the bottom of the limiting rod is fixedly connected with the middle part of the bottom side of the lifting groove, and the upper part of the limiting rod is in sliding connection with the limiting groove.

As a further description of the above technical solution:

the worm and the worm wheel are both rotationally connected to the lower side of the inner part of the outer box, and the lower part of the threaded rod penetrates through the left part and the right part of the inner side of the lifting groove.

As a further description of the above technical solution:

the lifting block groove is fixedly connected with a rubber pad, and a gap is reserved between the two lifting blocks.

As a further description of the above technical solution:

the diameter of the notch of the limiting groove is smaller than the inner diameter of the limiting groove, and the diameter of the second limiting piece is larger than the notch of the limiting groove and matched with the inner part of the limiting groove.

As a further description of the above technical solution:

the outer box and the lifting block are made of stainless steel, and the knob is made of plastic and is provided with anti-skidding patterns on the surface.

As a further description of the above technical solution:

the left and right sides of the bottom end of the outer box are provided with sliding grooves, and the inside of each sliding groove is slidably connected with a supporting bar.

The utility model has the following beneficial effects:

according to the utility model, the lifting block is lifted according to the required height by rotating the worm through the knob and matching with the worm wheel, the threaded rod and the connecting block, and the gap between the handrail inlet rubber ring and the handrail is blocked through the lifting block, so that the phenomenon that the fingers are pinched off, the palm or the forearm is fractured and even the accident is dead because children play at the handrail inlet of the escalator under the condition of no supervision due to curiosity and curiosity is avoided.

Drawings

Fig. 1 is a schematic structural view of a supporting bar of an anti-pinch device of an escalator according to the present utility model;

fig. 2 is a schematic diagram of the outer box structure of the anti-pinch device of the escalator;

fig. 3 is a schematic view of a lifting block structure of an anti-pinch device of an escalator according to the present utility model;

fig. 4 is an enlarged view at a in fig. 2.

Legend description:

1. a lifting block; 2. a lifting groove; 3. a connecting block; 4. a first limiting piece; 5. a support bar; 6. an outer case; 7. a threaded rod; 8. a knob; 9. a worm; 10. a limit rod; 11. a limit groove; 12. a second limiting piece; 13. a worm wheel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides an automatic anti-pinch device of staircase, including outer box 6, outer box 6 inboard middle part is provided with lift groove 2, outer box 6 right side is provided with knob 8, knob 8 left portion fixedly connected with worm 9, two parts all mesh is connected with worm wheel 13 about worm 9 rear side, worm wheel 13 middle part fixedly connected with threaded rod 7, threaded rod 7 top fixedly connected with spacing piece one 4, it leads to breaking away from threaded rod 7 to avoid connecting block 3 to rise too much through spacing piece one 4, threaded rod 7 periphery threaded connection has connecting block 3, two connecting block 3 equal fixedly connected with lifting block 1 in one side in opposite directions, lifting block 1 inside is provided with spacing groove 11, spacing piece two 12 inside sliding connection has spacing piece two 12, spacing piece two 12 bottom fixedly connected with gag lever post 10 carries out spacingly through spacing piece two 12, avoid gag lever post 10 to break away from spacing groove 11, rotate knob 8, drive worm 9 through knob 8 rotates, worm 9 drive 13 rotates, 13 drive threaded rod 7 rotates, 7 rotatory promotion connecting block 3 reciprocates, drive lifting block 1 in lift groove 2 worm wheel 2 through connecting block 3.

Lifting block 1 sliding connection is inside lifting groove 2, two gag lever post 10 bottom fixed connection is at lifting groove 2 downside middle part, gag lever post 10 upper portion sliding connection is at spacing groove 11, worm 9 and worm wheel 13 all rotate the connection at the inside downside of outer box 6, threaded rod 7 lower part runs through lifting groove 2 inboard left and right sides two portions, lifting block 1 recess fixedly connected with rubber pad, leave the space between two lifting blocks 1, spacing groove 11 notch diameter is less than spacing groove 11 inside diameter, spacing piece two 12 diameters are greater than spacing groove 11 notch and spacing groove 11 inside assorted, outer box 6 and lifting block 1 are the stainless steel material, knob 8 is the plastic material and the surface is provided with the anti-skidding line, increase frictional force through the anti-skidding line, make more laborsaving when rotatory knob 8, outer box 6 bottom left and right sides all is provided with spout and spout inside all sliding connection has support bar 5, increase the area of contact with the ground through 5, thereby promote anti-pinch device's stability.

Working principle: when needs use prevent pressing from both sides the device and carry out shutoff with the clearance of handrail area entrance, at first rotate knob 8, drive worm 9 through knob 8 and rotate, worm 9 drive worm wheel 13 rotates, worm wheel 13 drives threaded rod 7 and rotates, threaded rod 7 rotation promotes connecting block 3 and reciprocates, drive lifter 1 in lifter groove 2 through connecting block 3, when lifter 1 goes up and down, carry out spacingly lifter 1 through gag lever post 10 cooperation spacing groove 11, avoid lifter 1 to follow and rotate unable vertical lift, thereby the clearance of handrail area entrance is pressed close to through the rising of lifter 1.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. Anti-pinch device of escalator, including outer box (6), its characterized in that: the utility model discloses a lifting device for a motor vehicle, including outer box (6), connecting block (3), spacing piece (10), connecting block (3), lifting block (1), spacing piece (12), spacing piece two (12) bottom fixedly connected with gag lever post (10), outer box (6) inboard middle part is provided with lift groove (2), outer box (6) right side is provided with knob (8), knob (8) left part fixedly connected with worm (9), worm (9) both parts all meshing are connected with worm wheel (13) about the rear side, worm wheel (13) middle part fixedly connected with threaded rod (7), threaded rod (7) top fixedly connected with spacing piece one (4), threaded rod (7) periphery threaded connection has connecting block (3), two equal fixedly connected with lifting block (1) in opposite directions of connecting block (3), lifting block (1) inside is provided with spacing groove (11), spacing piece two (12) are connected with to spacing piece two (12).

2. The anti-pinch device of an escalator as claimed in claim 1, wherein: the lifting block (1) is slidably connected inside the lifting groove (2), the bottoms of the two limiting rods (10) are fixedly connected to the middle of the bottom side of the lifting groove (2), and the upper parts of the limiting rods (10) are slidably connected to the limiting grooves (11).

3. The anti-pinch device of an escalator as claimed in claim 1, wherein: the worm (9) and the worm wheel (13) are both rotationally connected to the lower side of the inner side of the outer box (6), and the lower part of the threaded rod (7) penetrates through the left part and the right part of the inner side of the lifting groove (2).

4. The anti-pinch device of an escalator as claimed in claim 1, wherein: the groove of the lifting block (1) is fixedly connected with a rubber pad, and a gap is reserved between the two lifting blocks (1).

5. The anti-pinch device of an escalator as claimed in claim 1, wherein: the diameter of the notch of the limiting groove (11) is smaller than the inner diameter of the limiting groove (11), and the diameter of the limiting piece II (12) is larger than the diameter of the notch of the limiting groove (11) and is matched with the inner part of the limiting groove (11).

6. The anti-pinch device of an escalator as claimed in claim 1, wherein: the outer box (6) and the lifting block (1) are made of stainless steel, and the knob (8) is made of plastic and provided with anti-skid patterns on the surface.

7. The anti-pinch device of an escalator as claimed in claim 1, wherein: the left side and the right side of the bottom end of the outer box (6) are respectively provided with a chute, and the inside of each chute is respectively and slidably connected with a supporting bar (5).