CN219546453U

CN219546453U - Anti-pinch mechanism of escalator

Info

Publication number: CN219546453U
Application number: CN202320658444.9U
Authority: CN
Inventors: 秦宇杰; 雷鹏; 黄畅; 余宋大
Original assignee: HUNAN SPECIAL EQUIPMENT INSPECTION & TESTING RESEARCH INSTITUTE
Current assignee: HUNAN SPECIAL EQUIPMENT INSPECTION & TESTING RESEARCH INSTITUTE
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-08-18
Anticipated expiration: 2033-03-28

Abstract

The utility model discloses an anti-pinch mechanism of an escalator, and belongs to the technical field of escalators. The mechanism comprises a base, an elastic strip and a triggering component, wherein the elastic strip is arranged on the base, a cavity is formed in the elastic strip, and the triggering component is arranged in the elastic strip and partially extends into the cavity. The base, the elastic strip and the triggering component are matched with the escalator in length, and the same escalator can form effective anti-pinch protection for passengers only by installing two sets of anti-pinch mechanisms, so that the installation process of the anti-pinch mechanisms is simplified.

Description

Anti-pinch mechanism of escalator

Technical Field

The utility model relates to an anti-pinch mechanism of an escalator, and belongs to the technical field of escalators.

Background

In the daily use process of the escalator, the accident that the feet of passengers are squeezed and clamped by the steps and the apron boards happens occasionally, so that anti-clamping measures are needed to be taken for the escalator to prevent the accident.

The Chinese patent document with the publication number of CN208516735U discloses an elevator safety touch plate anti-clamping mechanism, which comprises a contact plate, a buffer spring, a fixed plate A, a fixed rod and a fixed plate B, wherein the contact plate is connected with the fixed plate A through the buffer spring, the fixed plate A is connected with the fixed plate B through the fixed rod, a plastic cylinder is arranged between the fixed plate A and the fixed plate B, a positive magnet B and a positive magnet A are sequentially arranged on the plastic cylinder from left to right, the positive magnet A is arranged in a groove A, and the groove A is fixedly connected with the contact plate through a transmission rod; the positive pole magnet B is arranged in the groove B, and the left end of the groove B is connected with a direct-acting travel switch. When the contact plate is pressed, the connecting end transmission rod pushes the positive magnet A, the magnetic force generated by the positive magnet A pushes the positive magnet B with the same polarity to move in the same direction, the positive magnet B pushes the movable contact of the push rod to move, the door opening motor control circuit is connected, and the elevator door is opened. The safety protection device is simple in structure, convenient to implement and capable of protecting the safety of passengers safely.

The safety touch plate anti-clamping mechanism of the elevator is mainly suitable for an elevator, and when the safety touch plate anti-clamping mechanism is applied to an escalator, anti-clamping protection can be effectively formed only by fully distributing the anti-clamping mechanism along the length direction of the escalator, and the installation process of a plurality of anti-clamping mechanisms is complex.

Disclosure of Invention

In order to solve the technical problems, the utility model provides an anti-clamping mechanism of an escalator.

The utility model is realized by the following technical scheme:

the utility model provides a mechanism is prevented pressing from both sides by staircase, includes base, elastic strip and trigger assembly, the elastic strip is established on the base, and has seted up the cavity in the elastic strip, trigger assembly establishes in the elastic strip to in the part extends to the cavity.

The base includes the C shaped plate and establishes the polylith mounting panel on the C shaped plate side by side, and the C shape opening on the C shaped plate is kept away from the direction of mounting panel.

The elastic strip is a rubber strip.

The triggering component comprises a conductive piece A and a conductive piece B, wherein a cavity is arranged between the conductive piece A and the conductive piece B, a plurality of static contact pieces are arranged on the conductive piece A side by side, and a movable contact piece is arranged on the conductive piece B at a position corresponding to the static contact pieces.

The conductive piece A and the conductive piece B are made of steel wire ropes.

One end of the static contact piece far away from the conductive piece A and one end of the movable contact piece far away from the conductive piece B extend into the cavity.

The movable contact piece is positioned at the lower side of the static contact piece.

The anti-pinch mechanism of the escalator further comprises a controller and an alarm assembly, wherein the controller is electrically connected with the trigger assembly, and the alarm assembly is electrically connected with the controller.

The alarm component is an audible and visual alarm.

The utility model has the beneficial effects that: the base, the elastic strip and the triggering component are matched with the escalator in length, and the same escalator can form effective anti-pinch protection for passengers only by installing two sets of anti-pinch mechanisms, so that the installation process of the anti-pinch mechanisms is simplified.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a schematic view of the trigger assembly of the present utility model;

FIG. 4 is a schematic diagram of the connection of the trigger assembly to the controller according to the present utility model;

fig. 5 is a schematic view of the structure of the present utility model mounted to an escalator;

fig. 6 is a cross-sectional view taken along A-A of fig. 5.

In the figure: the device comprises a base, a 10-C-shaped plate, a 11-mounting plate, a 2-elastic strip, a 20-cavity, a 3-triggering assembly, a 30-conductive piece A, a 31-static contact piece, a 32-conductive piece B, a 33-movable contact piece, a 4-controller, a 5-skirt board and 6-steps.

Detailed Description

The technical solution of the present utility model is further described below, but the scope of the claimed utility model is not limited to the above.

As shown in fig. 1 to 6, the anti-pinch mechanism of the escalator comprises a base 1, an elastic strip 2 and a trigger assembly 3, wherein the elastic strip 2 is installed on the base 1, a cavity 20 is formed in the elastic strip 2, and the trigger assembly 3 is installed in the elastic strip 2 and extends into the cavity 20 partially.

The base 1 comprises a C-shaped plate 10 and a plurality of mounting plates 11 mounted on the C-shaped plate 10 side by side, and the C-shaped opening on the C-shaped plate 10 faces away from the mounting plates 11. When in use, through holes are formed at the two ends of the mounting plate 11, so that the mounting plate 11 and the apron plate 5 of the escalator are conveniently riveted.

The elastic strip 2 is a rubber strip.

The triggering component 3 comprises a conductive piece A30 and a conductive piece B32, the cavity 20 is positioned between the conductive piece A30 and the conductive piece B32, a plurality of static contact pieces 31 are arranged on the conductive piece A30 side by side, and a movable contact piece 33 is arranged on the conductive piece B32 at a position corresponding to the static contact pieces 31. In use, the spacing between the plurality of stationary contacts 31 on the conductive member a30 is 200mm.

The conductive piece A30 and the conductive piece B32 are made of steel wire ropes.

The end of the stationary contact 31 far from the conductive member a30 and the end of the movable contact 33 far from the conductive member B32 extend into the cavity 20.

The movable contact 33 is located at the lower side of the stationary contact 31. As shown in fig. 3, the movable contact 33 and the stationary contact 31 are partially overlapped in space.

The anti-pinch mechanism of the escalator further comprises a controller 4 and an alarm assembly, the controller 4 is electrically connected with the trigger assembly 3, and the alarm assembly is electrically connected with the controller 4. In use, the controller 4 may be electrically connected to the trigger assembly 3 via a relay.

The alarm component is an audible and visual alarm.

The working principle or the using process of the anti-pinch mechanism of the escalator is as follows:

the length of the base 1, the elastic strip 2 and the triggering component 3 is matched with the length of the escalator.

As shown in fig. 5 and 6, two sets of anti-pinch mechanisms are symmetrically installed on the inner side of the escalator, namely, one set of anti-pinch mechanism is installed on the lower parts of two side wall skirtboards 5 of the step 6 respectively, then the conductive piece a30 and the conductive piece B32 are electrically connected with the controller 4, and the controller 4 is electrically connected with the audible and visual alarm and a control system of the escalator.

When a passenger takes the escalator, if feet touch the elastic strips 2, the elastic strips 2 are deformed, when the deformation reaches a certain degree, a certain movable contact piece 33 is closed with a corresponding static contact piece 31, after receiving a relevant signal, the controller 4 controls the audible and visual alarm to send out an audible and visual alarm, and the passenger is reminded to move the feet, so that the passenger is prevented from being clamped by the steps 6 and the apron board 5. At the same time, the controller 4 transmits relevant signals to the control system of the escalator to control the escalator to stop running, and further prevent passengers from being injured.

According to the anti-pinch mechanism of the escalator, the lengths of the base 1, the elastic strip 2 and the triggering component 3 are matched with those of the escalator, and the same escalator can form effective anti-pinch protection for passengers only by installing two sets of anti-pinch mechanisms, so that the installation process of the anti-pinch mechanism is simplified.

Claims

1. The utility model provides a mechanism is prevented pressing from both sides by staircase which characterized in that: the novel elastic strip comprises a base (1), an elastic strip (2) and a triggering component (3), wherein the elastic strip (2) is arranged on the base (1), a cavity (20) is formed in the elastic strip (2), and the triggering component (3) is arranged in the elastic strip (2) and partially extends into the cavity (20).

2. The escalator anti-pinch mechanism of claim 1, wherein: the base (1) comprises a C-shaped plate (10) and a plurality of mounting plates (11) which are arranged on the C-shaped plate (10) side by side, and a C-shaped opening on the C-shaped plate (10) faces a direction away from the mounting plates (11).

3. The escalator anti-pinch mechanism of claim 1, wherein: the elastic strip (2) is a rubber strip.

4. The escalator anti-pinch mechanism of claim 1, wherein: the trigger assembly (3) comprises a conductive piece A (30) and a conductive piece B (32), the cavity (20) is located between the conductive piece A (30) and the conductive piece B (32), a plurality of static contact pieces (31) are arranged on the conductive piece A (30) side by side, and a movable contact piece (33) is arranged on the conductive piece B (32) at a position corresponding to the static contact pieces (31).

5. The escalator anti-pinch mechanism of claim 4, wherein: the conductive piece A (30) and the conductive piece B (32) are made of steel wire ropes.

6. The escalator anti-pinch mechanism of claim 4, wherein: one end of the static contact piece (31) far away from the conductive piece A (30) and one end of the movable contact piece (33) far away from the conductive piece B (32) extend into the cavity (20).

7. The escalator anti-pinch mechanism of claim 4, wherein: the movable contact piece (33) is positioned at the lower side of the static contact piece (31).

8. The escalator anti-pinch mechanism of claim 1, wherein: the anti-pinch mechanism of the escalator further comprises a controller (4) and an alarm assembly, the controller (4) is electrically connected with the trigger assembly (3), and the alarm assembly is electrically connected with the controller (4).

9. The escalator anti-pinch mechanism of claim 8, wherein: the alarm component is an audible and visual alarm.