CN219009640U

CN219009640U - Platform ladder anti-clamping device

Info

Publication number: CN219009640U
Application number: CN202223261930.1U
Authority: CN
Inventors: 杨树明; 李军; 孟凡全; 王壮壮; 李林昊; 刘安昊
Original assignee: Shandong Jinggong Elevator Co ltd
Current assignee: Shandong Jinggong Elevator Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-05-12
Anticipated expiration: 2032-12-06

Abstract

The utility model discloses a platform ladder anti-clamping device, which belongs to the technical field of elevators and comprises a car bottom platform, wherein a protective wall is arranged on one side, close to a lifting mechanism, of the car bottom platform, a mounting groove is formed in the side, except for the protective wall, of the car bottom platform, a plurality of supporting springs are arranged in the mounting groove, a touch plate is arranged on the supporting springs, a plurality of micro switches which can be pressed and touched by the touch plate are arranged in the mounting groove, and the micro switches are electrically connected with the lifting mechanism. The beneficial effects are that: when a passenger steps on the touch plate, the touch plate triggers the micro switch, and the micro switch stops the operation of the lifting mechanism, so that the safety of the passenger is ensured.

Description

Platform ladder anti-clamping device

Technical Field

The utility model relates to the technical field of elevators, in particular to a platform ladder clamping-preventing device.

Background

The platform ladder is a small elevator without a lift car, is generally used for a small hoistway sightseeing ladder, a villa ladder and the like, has no surrounding wall around the bottom of the lift car of the platform ladder, so that the edge of the bottom of the lift car is close to the side wall of the lifting mechanism, other three side walls are close to the hoistway wall of the lift car, gaps exist between the side edges of the bottom of the lift car and the hoistway wall, foreign matters are easy to block between the side walls of the bottom of the lift car and the hoistway wall, and normal operation of the lift is influenced. If the passengers carelessly clamp the feet into the gaps in the using process, the elevator host still operates to drive the elevator to continuously ascend, so that the passengers are more seriously injured, and potential safety hazards exist.

In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.

Disclosure of Invention

The utility model aims to overcome the defects, and provides a platform ladder clamping prevention device which solves the problem that foreign matters are clamped between a car bottom platform and a hoistway wall, and a platform ladder cannot be stopped.

In order to achieve the above purpose, the utility model provides a platform ladder anti-clamping device, which comprises a car bottom platform, wherein a protective wall is arranged on one side, close to a lifting mechanism, of the car bottom platform, a mounting groove is formed in the side, except for the protective wall, of the car bottom platform, a plurality of supporting springs are arranged in the mounting groove, a touch plate is arranged on the supporting springs, a plurality of micro switches which can be pressed and touched by the touch plate are arranged in the mounting groove, and the micro switches are electrically connected with the lifting mechanism. When a person presses the touch plate, the touch plate touches the micro switch, and the micro switch controls the lifting mechanism to stop running so as to ensure the safety of passengers.

Further, the mounting groove is of a U-shaped groove structure with an upward opening, and the side edge of the mounting groove is fixedly connected with the platform at the bottom of the car. The U-shaped groove structure can enable the installation of the micro switch to be more firm, and the switch insensitivity caused by the displacement of the micro switch is avoided.

Further, the touch plate is of a U-shaped groove structure with a downward opening, and is fixedly arranged on the supporting spring. The U-shaped groove structure can reduce the gap between the touch plate and the platform at the bottom of the car, so as to avoid the situation that foreign matters block the touch plate, and the touch plate is pressed and can not touch the micro switch.

Further, the three sides of the platform at the bottom of the car are provided with mounting grooves, and two micro switches are arranged in the corresponding part of the mounting grooves on the side of each platform at the bottom of the car. Two micro switches are respectively arranged at the side edges of the non-side of the platform at the bottom of the car, so that the touch plate can smoothly touch the micro switches, and even if one micro switch has a problem, the other micro switch can also smoothly stop the operation of the elevator.

Further, four supporting springs are arranged in the mounting groove. The touch plate is an integral body, and four supporting springs can ensure the normal operation of the touch plate and reduce the cost.

Further, the touch plate comprises three sections of U-shaped grooves with downward openings, which are fixedly connected, and two ends of the bottom of each section of U-shaped groove with downward openings are respectively provided with a supporting spring. This is one embodiment, the U-shaped grooves of each section do not affect each other, and even if one section of the U-shaped groove is blocked and cannot be pressed down, the pressed protection of the other side is not affected.

The utility model aims to provide a platform ladder anti-clamping device which comprises a car bottom platform, wherein a protective wall is arranged on one side, close to a lifting mechanism, of the car bottom platform, a mounting groove is formed in the side, except for the protective wall, of the car bottom platform, a plurality of supporting springs are arranged in the mounting groove, a touch plate is arranged on the supporting springs, a plurality of micro-switches which can be pressed and touched by the touch plate are arranged in the mounting groove, and the micro-switches are electrically connected with the lifting mechanism. The beneficial technical effects of the utility model are as follows: when a passenger steps on the touch plate, the touch plate triggers the micro switch, and the micro switch stops the operation of the lifting mechanism, so that the safety of the passenger is ensured.

Drawings

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

FIG. 2 is an enlarged schematic view of the portion A of FIG. 1;

fig. 3 is a schematic side view of a platform of the car bottom.

In the figure: 1-a platform at the bottom of the car; 2-a protective wall; 3-mounting grooves; 4-supporting springs; 5-a micro switch; 6-touch plate.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 and 3, the utility model provides a platform ladder anti-clamping device, which comprises a car bottom platform 1, wherein a protection wall 2 is arranged on one side, close to a lifting mechanism, of the car bottom platform 1, a mounting groove 3 is formed in the side, except for the protection wall 2, of the car bottom platform 1, a plurality of supporting springs 4 are arranged in the mounting groove 3, a touch plate 6 is arranged on the supporting springs 4, a plurality of micro switches 5 which can be pressed and touched by the touch plate 6 are arranged in the mounting groove 3, and the micro switches 5 are electrically connected with the lifting mechanism. When a person presses the touch plate 6, the touch plate 6 touches the micro switch 5, and the micro switch 5 controls the lifting mechanism to stop running, so that the safety of passengers is ensured.

Referring to fig. 1 and 2, the installation groove 3 is of a U-shaped groove structure with an upward opening, and the side edge of the installation groove 3 is fixedly connected with the platform 1 at the bottom of the car. The U-shaped groove structure can enable the installation of the micro switch 5 to be more firm, and the situation that the switch is insensitive due to the fact that the micro switch 5 is shifted is avoided.

Referring to fig. 1 and 2, the touch plate 6 has a U-shaped groove structure with a downward opening, and the touch plate 6 is fixedly mounted on the supporting spring 4. The U-shaped groove structure can reduce the gap between the touch plate 6 and the car bottom platform 1, and avoid the situation that foreign matters block the touch plate 6, so that the touch plate 6 is pressed and cannot touch the micro switch 5.

Referring to fig. 1, three sides of the platform 1 are provided with mounting grooves 3, and two micro switches 5 are arranged in the corresponding part of the mounting grooves 3 on the sides of each platform 1. Two micro switches 5 are respectively arranged at the side edges of the non-side of the car bottom platform 1, so that the touch plate 6 can smoothly touch the micro switches 5, and even if one micro switch 5 has a problem, the other micro switch can smoothly stop the operation of the elevator.

Referring to fig. 1, four support springs 4 are provided in the installation groove 3. The touch plate 6 is an integral body, and the four supporting springs 4 can ensure the normal operation of the touch plate 6 and reduce the cost.

In one embodiment of the scheme, the touch plate 6 comprises three sections of U-shaped grooves which are fixedly connected and are downward in opening, and two ends of the bottom of each section of U-shaped groove which is downward in opening are respectively provided with a supporting spring 4. This is one embodiment, the U-shaped grooves of each section do not affect each other, and even if one section of the U-shaped groove is blocked and cannot be pressed down, the pressed protection of the other side is not affected.

In summary, according to the utility model, the touch plate 6 fixedly installed on the supporting spring 4 is pressed to move downwards, the touch plate 6 touches the micro switch 5, and the micro switch 5 controls the lifting mechanism to stop running, so that the safety of passengers is protected. The beneficial effects of the utility model are as follows: when a passenger steps on the touch plate 6, the touch plate 6 triggers the micro switch 5, and the micro switch 5 stops the operation of the lifting mechanism, so that the safety of the passenger is ensured, the installation space required by the scheme is small, the elevator space is maximized, the safety and riding comfort of the passenger are ensured, the triggering is more sensitive, the structure is simple, and the fault is not easy to happen.

Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model, as will be apparent to those skilled in the art, without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. The utility model provides a platform ladder prevents pressing from both sides device, includes the platform at the bottom of the sedan-chair, and platform at the bottom of the sedan-chair is close to lifting means one side and is provided with the protection wall, and its characterized in that, platform at the bottom of the sedan-chair is provided with the mounting groove except that setting up the side of protection wall on, is provided with a plurality of supporting springs in the mounting groove, is provided with the touch board on the supporting spring, is provided with a plurality of micro-gap switches that can be touched by the touch board pushing down in the mounting groove, and the lifting means is connected to the micro-gap switch electricity.

2. The platform ladder anti-pinch device according to claim 1, wherein the mounting groove is of a U-shaped groove structure with an upward opening, and the side edge of the mounting groove is fixedly connected with the platform at the bottom of the car.

3. The anti-pinch device of claim 2, wherein the trigger plate is a U-shaped slot structure with a downward opening, and is fixedly mounted on the support spring.

4. The platform ladder clamping prevention device according to claim 3, wherein the three sides of the platform are provided with mounting grooves, and two micro switches are arranged in the corresponding mounting grooves of the sides of each platform.

5. The platform ladder anti-pinch device of claim 4, wherein four support springs are disposed in the mounting groove.

6. A landing ladder anti-pinch device as claimed in claim 3, wherein the trigger plate comprises three fixedly connected open-ended down U-shaped slots.