Elevator door opening and closing anti-collision mechanism

Abstract

The utility model discloses an elevator door opening and closing anti-collision mechanism which comprises a lift car, damping mechanisms are fixedly arranged at the top and the bottom of the lift car respectively, electric doors are arranged on the two sides of the front face of the lift car respectively and electrically connected with a controller, anti-collision mechanisms are fixedly arranged on the opposite sides of the two electric doors, and each anti-collision mechanism comprises a fixing plate. The fixing plate is fixedly connected with the electric door, a containing groove is formed in the side, away from the electric door, of the fixing plate, a movable plate is slidably arranged in the containing groove, a plurality of second telescopic rods are fixedly arranged on the inner side of the containing groove, the telescopic ends of the second telescopic rods are fixedly connected with the movable plate, and the second telescopic rods are sleeved with buffer springs. A pressure sensor is fixedly arranged in the middle of the inner side of the containing groove and electrically connected with the controller, and the problems that although an existing elevator has a certain protection capacity, palms and fingers of small people such as children are clamped and are difficult to sense, and the anti-clamping effect is poor are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to an anti-collision mechanism for an elevator door switch. Background Art

[0002] The elevator door is a very important part of the elevator. There are two doors. The one that can be seen from the outside of the elevator and is fixed on each floor is called the hall door, and the one that can be seen from the inside and is fixed to the car and moves with the car is called the car door. The elevator door is usually opened and closed by the car door driving the hall door. Its stability, rationality, and safety are key factors in determining the grade of the elevator.

[0003] Although the existing elevators have certain protection capabilities, it is difficult to sense the pinching of the palms and fingers of smaller people such as children, and the anti-pinch effect is poor. Therefore, the utility model proposes an elevator door switch anti-collision mechanism to solve the above problem. Utility Model Content

[0004] In view of the defects of the above-mentioned prior art, the purpose of the utility model is to provide an elevator door switch anti-collision mechanism.

[0005] To achieve the above-mentioned purpose, the utility model provides an elevator door switch anti-collision mechanism, including a car, wherein shock absorbing mechanisms are fixedly arranged on the top and bottom of the car, respectively, electric doors are respectively arranged on both sides of the front of the car, the electric doors are electrically connected to a controller, and anti-collision mechanisms are fixedly arranged on opposite sides of the two electric doors, the anti-collision mechanism includes a fixed plate, the fixed plate is fixedly connected to the electric door, a placement groove is provided on the side of the fixed plate away from the electric door, a movable plate is slidably arranged in the placement groove, a plurality of second telescopic rods are fixedly arranged on the inner side of the placement groove, the telescopic end of the second telescopic rod is fixedly connected to the movable plate, a buffer spring is sleeved on the second telescopic rod, a pressure sensor is fixedly arranged at the middle position inside the placement groove, and the pressure sensor is electrically connected to the controller.

[0006] Furthermore, the shock absorbing mechanism includes a connecting plate, which is made of rubber material. A hollow groove is opened inside the connecting plate, and a plurality of shock absorbing parts are fixedly arranged in the hollow groove. The shock absorbing part includes a shock absorber, and the shock absorber is fixedly arranged in the hollow groove.

[0007] Furthermore, the shock absorbing part also includes a buffer block and a first telescopic rod, the buffer block is fixedly arranged in the empty slot, the top and bottom ends of the first telescopic rod are respectively fixedly provided with mounting blocks, the mounting blocks are fixedly arranged on the inner wall of the empty slot, and a spring is sleeved on the first telescopic rod.

[0008] Furthermore, a support plate is fixedly provided on one side of the connecting plate away from the car, the support plate is made of stainless steel, telescopic columns are fixedly provided on both sides of the top of the support plate, and one end of the telescopic column away from the support plate is fixedly connected to the car.

[0009] Furthermore, an anti-pinch pad is fixedly provided on a side of the movable plate away from the fixed plate, and the anti-pinch pad is elastic.

[0010] Furthermore, sliders are fixedly provided on the top and bottom of the movable plate respectively, the sliders are arranged in slide grooves, the sliders are slidably matched with the slide grooves, and the slide grooves are transversely opened on the inner side of the placement grooves.

[0011] Furthermore, the surfaces of the spring and the buffer spring are coated with anti-rust paint.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] Through the structures such as the movable plate, the placement groove, the second telescopic rod, the buffer spring and the pressure sensor, the movable plate is arranged on the outer side of the electric door. When a foreign object is sandwiched between the two movable plates, the buffer spring and the second telescopic rod can play a certain buffering and protective role for the foreign object. At the same time, the movable plate moves and squeezes the pressure sensor in the placement groove. After the pressure sensor senses the pressure signal, it transmits the pressure signal to the controller, and the controller controls the electric door to open, thereby playing a protective role. The existing elevator has a certain protective ability, but it is difficult to sense the pinching of the palms and fingers of children and other small people, and the anti-pinch effect is poor.

[0014] Through the set structures such as shock absorbers, buffer blocks, telescopic columns and springs, when the car is damaged and falls to the ground quickly, the buffer blocks, telescopic columns and springs can buffer the car, and the shock absorbers can reduce shock to the car, which can provide certain protection for the people in the car. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the scheme in the utility model, a brief introduction is given below to the drawings required for use in the description of the embodiments of the utility model. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is the front view provided by the utility model;

[0017] Figure 2 It is a cross-sectional view provided by the utility model;

[0018] Figure 3 It is an enlarged schematic diagram of part A provided by the utility model;

[0019] Figure 4 It is an enlarged schematic diagram of part B provided by the utility model;

[0020] Figure 5 It is an enlarged schematic diagram of the C part provided by the utility model;

[0021] Description of reference numerals:

[0022] 1. Support plate; 2. Telescopic column; 3. Car; 4. Electric door; 5. Buffer block; 6. Mounting block; 7. Shock absorber; 8. Empty slot; 9. First telescopic rod; 10. Shock absorbing mechanism; 11. Slider; 12. Slide slot; 13. Fixed plate; 14. Placement slot; 15. Second telescopic rod; 16. Buffer spring; 17. Movable plate; 18. Anti-pinch pad; 19. Anti-collision mechanism; 20. Pressure sensor; 21. Spring; 22. Connecting plate. Implementation

[0023] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more explicit definition of the protection scope of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0024] The terms "including" and "having" and any variations thereof in the specification and claims of the present utility model and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of the present utility model or the above-mentioned drawings are used to distinguish different objects rather than to describe a specific order.

[0025] See also Figure 1-5, an elevator door switch anti-collision mechanism, including a car 3, a shock absorbing mechanism 10 is fixedly arranged on the top and bottom of the car 3, electric doors 4 are respectively arranged on both sides of the front of the car 3, the electric doors 4 are electrically connected to the controller, and anti-collision mechanisms 19 are fixedly arranged on the opposite sides of the two electric doors 4, and the anti-collision mechanism 19 includes a fixed plate 13, the fixed plate 13 is fixedly connected to the electric door 4, a placement groove 14 is opened on the side of the fixed plate 13 away from the electric door 4, a movable plate 17 is slidably arranged in the placement groove 14, a plurality of second telescopic rods 15 are fixedly arranged on the inner side of the placement groove 14, the telescopic end of the second telescopic rod 15 is fixedly connected to the movable plate 17, a buffer spring 16 is sleeved on the second telescopic rod 15, a pressure sensor 20 is fixedly arranged at the middle position inside the placement groove 14, the pressure sensor 20 is electrically connected to the controller, an anti-pinch pad 18 is fixedly arranged on the side of the movable plate 17 away from the fixed plate 13, and the anti-pinch pad 18 has elasticity, and the top and The bottom is fixed with a slider 11, which is arranged in a slide groove 12. The slider 11 and the slide groove 12 are slidably matched. The slide groove 12 is horizontally opened on the inner side of the placement groove 14. Through the movable plate 17, the placement groove 14, the second telescopic rod 15, the buffer spring 16 and the pressure sensor 20 and other structures, the movable plate 17 is arranged on the outer side of the electric door 4. When a foreign object is sandwiched between the two movable plates 17, under the action of the buffer spring 16 and the second telescopic rod 15, it can play a certain buffering and protective role for the foreign object. At the same time, the movable plate 17 moves and squeezes the pressure sensor 20 in the placement groove 14. After the pressure sensor 20 senses the pressure signal, it transmits the pressure signal to the controller. The controller controls the electric door 4 to open, thereby playing a protective role, solving the problem that although the existing elevator has a certain protection capability, it is difficult to sense the pinching of the palms and fingers of people with smaller bodies such as children, and the anti-pinch effect is poor.

[0026] As an improvement of the above technical solution, the shock absorbing mechanism 10 includes a connecting plate 22, which is made of rubber material. An empty slot 8 is opened inside the connecting plate 22, and a plurality of shock absorbing parts are fixedly arranged in the empty slot 8. The shock absorbing part includes a shock absorber 7, and the shock absorber 7 is fixedly arranged in the empty slot 8. The shock absorbing part also includes a buffer block 5 and a first telescopic rod 9. The buffer block 5 is fixedly arranged in the empty slot 8. The top and bottom ends of the first telescopic rod 9 are respectively fixedly arranged with mounting blocks 6, and the mounting block 6 is fixedly arranged on the inner wall of the empty slot 8. The first telescopic rod 9 is sleeved with a spring 21, and the connecting plate 22 is fixedly arranged on the side away from the car 3. A support plate 1 is provided, and the support plate 1 is made of stainless steel. Telescopic columns 2 are fixedly arranged on both sides of the top of the support plate 1. The end of the telescopic column 2 away from the support plate 1 is fixedly connected to the car 3. The surfaces of the spring 21 and the buffer spring 16 are coated with anti-rust paint. Through the structures such as the shock absorber 7, the buffer block 5, the telescopic column 2 and the spring 21, when the car 3 is damaged and falls to the ground quickly, under the action of the buffer block 5, the telescopic column 2 and the spring 21, the car 3 can be buffered. The shock absorber 7 can reduce the shock of the car 3 and can provide certain protection for the personnel in the car 3.

[0027] Working principle and usage of the utility model:

[0028] During use, the movable plate 17 arranged on the outer side of the electric door 4, when there is a foreign object between the two movable plates 17, under the action of the buffer spring 16 and the second telescopic rod 15, can play a certain buffering and protective role for the foreign object. At the same time, the movable plate 17 is placed in the groove 14 to move the squeezing pressure sensor 20. After the pressure sensor 20 senses the pressure signal, it transmits the pressure signal to the controller. The controller controls the electric door 4 to open, thereby playing a protective role. When the car 3 is damaged and falls to the ground quickly, under the action of the buffer block 5, the telescopic column 2 and the spring 21, it can play a buffering role for the car 3, and the shock absorber 7 can play a shock-absorbing role for the car 3, which can play a certain protective role for the people in the car 3.

[0029] The above description is only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings of the utility model, or directly or indirectly used in other related technical fields, are also included in the patent protection scope of the utility model.

Claims

1. An elevator door switch anti-collision mechanism, characterized in that: The invention comprises a car (3), wherein a shock absorbing mechanism (10) is fixedly arranged on the top and bottom of the car (3), electric doors (4) are respectively arranged on both sides of the front of the car (3), the electric doors (4) are electrically connected to a controller, and anti-collision mechanisms (19) are fixedly arranged on opposite sides of the two electric doors (4), wherein the anti-collision mechanism (19) comprises a fixed plate (13), wherein the fixed plate (13) is fixedly connected to the electric doors (4), a placement groove (14) is provided on a side of the fixed plate (13) away from the electric doors (4), a movable plate (17) is slidably arranged in the placement groove (14), a plurality of second telescopic rods (15) are fixedly arranged inside the placement groove (14), the telescopic ends of the second telescopic rods (15) are fixedly connected to the movable plate (17), a buffer spring (16) is sleeved on the second telescopic rod (15), a pressure sensor (20) is fixedly arranged at a middle position inside the placement groove (14), and the pressure sensor (20) is electrically connected to the controller.

2. An elevator door switch anti-collision mechanism according to claim 1, characterized in that: The shock absorbing mechanism (10) comprises a connecting plate (22), the connecting plate (22) being made of a rubber material, a hollow groove (8) being provided inside the connecting plate (22), a plurality of shock absorbing parts being fixedly arranged in the hollow groove (8), the shock absorbing parts comprising a shock absorber (7), and the shock absorber (7) being fixedly arranged in the hollow groove (8).

3. An elevator door switch anti-collision mechanism according to claim 2, characterized in that: The shock absorbing part further comprises a buffer block (5) and a first telescopic rod (9), wherein the buffer block (5) is fixedly arranged in the empty slot (8), the top end and the bottom end of the first telescopic rod (9) are respectively fixedly arranged with mounting blocks (6), the mounting blocks (6) are fixedly arranged on the inner wall of the empty slot (8), and the first telescopic rod (9) is sleeved with a spring (21).

4. An elevator door switch anti-collision mechanism according to claim 3, characterized in that: A support plate (1) is fixedly arranged on one side of the connection plate (22) away from the car (3); the support plate (1) is made of stainless steel; telescopic columns (2) are fixedly arranged on both sides of the top of the support plate (1); one end of the telescopic column (2) away from the support plate (1) is fixedly connected to the car (3).

5. The elevator door switch anti-collision mechanism according to claim 4, characterized in that: An anti-pinch pad (18) is fixedly provided on one side of the movable plate (17) away from the fixed plate (13), and the anti-pinch pad (18) is elastic.

6. An elevator door switch anti-collision mechanism according to claim 5, characterized in that: Slide blocks (11) are fixedly arranged at the top and bottom of the movable plate (17), respectively. The slide blocks (11) are arranged in the slide grooves (12). The slide blocks (11) are slidably matched with the slide grooves (12). The slide grooves (12) are transversely arranged on the inner side of the placement grooves (14).

7. An elevator door switch anti-collision mechanism according to claim 6, characterized in that: The surfaces of the spring (21) and the buffer spring (16) are both coated with anti-rust paint.

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