Long-life infrared mechanical button

Abstract

The utility model provides a long-service-life infrared mechanical button which comprises a shell, a bottom plate is arranged at the bottom of the shell, a microswitch and an infrared transceiver are arranged on the bottom plate, the microswitch is arranged in the middle of the bottom plate, the infrared transceiver is arranged on one side of the microswitch, a guide ring is arranged at the top of the shell, and the infrared transceiver is arranged on the guide ring. A guide ring is arranged on the bottom plate, a transmission block matched with the microswitch is arranged in the guide ring in a sliding mode, an avoiding hole matched with the infrared transceiver is formed in the transmission block, a plurality of springs are arranged between the transmission block and the bottom plate, a pressing piece is arranged on the side, away from the bottom plate, of the transmission block, and a light transmitting part matched with the infrared transceiver is arranged on the pressing piece. According to the long-service-life infrared type mechanical button, the elevator call-out button is provided with mechanical pressing excitation and infrared induction excitation to complete man-machine interaction, the two excitation modes are matched with each other, the service life of the button is prolonged, even if one excitation mode breaks down, the other excitation mode can be used normally, and the service life of the button is prolonged. And normal operation of the elevator is not influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator call devices, in particular to a long-life infrared mechanical button. Background Art

[0002] Elevators are divided into internal call communication and external call communication. Internal call refers to the button command communication system in the car, and external call refers to the elevator call system of each floor button outside the elevator. At present, the life of elevator buttons is only determined by the life of the micro switch itself and the fatigue life of the shell. The life of buttons is relatively not too long, and maintenance personnel need to maintain them frequently, which affects the normal use of the elevator. Utility Model Content

[0003] The technical problem to be solved by the utility model is: in order to overcome the disadvantage that the life of an elevator button in the prior art is only determined by the life of the micro switch itself and the fatigue life of the shell, the button life is relatively not very long, and maintenance personnel need to perform frequent maintenance, the utility model provides a long-life infrared mechanical button.

[0004] The technical solution to be adopted by the utility model to solve its technical problems is: a long-life infrared mechanical button, including a shell, a bottom plate is provided at the bottom of the shell, a micro switch and an infrared transceiver are provided on the bottom plate, the micro switch is arranged in the middle position of the bottom plate, the infrared transceiver is arranged on one side of the micro switch, a guide ring is provided on the top of the shell, a transmission block cooperating with the micro switch is slidably provided in the guide ring, the transmission block is provided with an avoidance hole cooperating with the infrared transceiver, a plurality of springs are provided between the transmission block and the bottom plate, a pressing sheet is provided on the side of the transmission block away from the bottom plate, and a light-transmitting portion cooperating with the infrared transceiver is provided on the pressing sheet.

[0005] The button has two excitation modes, one is conventional mechanical pressing excitation, and the other is infrared sensing excitation; mechanical pressing excitation, specifically, by pressing the pressing piece to drive the transmission block to squeeze the micro switch, thereby stimulating the button's output signal and completing human-computer interaction; the infrared transceiver emits infrared light to the outside of the button through the avoidance hole and the light-transmitting part. When the finger or other object is suspended 10~20mm above the button surface, the infrared light is reflected to the infrared transceiver, thereby stimulating the button's output signal and completing human-computer interaction; the two excitation modes cooperate with each other to increase the service life of the button. Moreover, infrared sensing excitation can complete human-computer interaction without touching the button, which can be used in crowded places such as hospitals and hotels to avoid cross-transmission of germs and cut off the transmission path of germs.

[0006] Furthermore, a limiting plate is provided on the top of the shell, an embedding groove is provided on the limiting plate, and a clamping portion which is interference-fitted with the embedding groove is provided on the guide ring.

[0007] Furthermore, the limiting plate is provided with a through hole for the transmission block to pass through, and the bottom of the transmission block is provided with a limiting block that cooperates with the limiting plate.

[0008] Furthermore, the pressing plate includes a stainless steel substrate, which is provided with a number hole and a light-transmitting hole cooperating with an infrared transceiver. An ABS character piece corresponding to the position of the number hole is injection-molded on one side of the stainless steel substrate, and a light-transmitting piece corresponding to the position of the light-transmitting hole is secondary-molded on one side of the ABS character piece. The light-transmitting piece and the light-transmitting hole cooperate to form a light-transmitting part.

[0009] Furthermore, the diameter of the pressing plate is the same as the inner diameter of the guide ring, and a rubber ring is provided between the pressing plate and the transmission block.

[0010] The beneficial effects of the utility model are as follows: the utility model provides a long-life infrared mechanical button, which adopts an elevator call button equipped with mechanical pressing excitation and infrared sensing excitation to complete human-computer interaction. The two excitation modes cooperate with each other to increase the service life of the button. Even if one excitation mode fails, the other excitation mode can be used normally without affecting the normal operation of the elevator. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0012] Figure 1 It is a structural schematic diagram of the best embodiment of the utility model;

[0013] Figure 2 It is a cross-sectional schematic diagram of the best embodiment of the utility model;

[0014] Figure 3 It is an exploded schematic diagram of the best embodiment of the utility model.

[0015] In the figure: 1, shell, 11, limit plate, 111, embedding groove, 2, bottom plate, 3, micro switch, 4, infrared transceiver, 5, guide ring, 51, clamping part, 6, transmission block, 61, avoidance hole, 62, limit block, 7, spring, 8, pressing piece, 81, stainless steel base plate, 811, light-transmitting hole, 82, ABS letter piece, 83, light-transmitting piece, 9, rubber ring. DETAILED DESCRIPTION

[0016] Now the utility model is described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, which only illustrates the basic structure of the utility model in a schematic manner, so it only shows the components related to the utility model.

[0017] like Figure 1-3As shown, a long-life infrared mechanical button of the utility model comprises a shell 1, a base plate 2 is provided at the bottom of the shell 1, a micro switch 3 and an infrared transceiver 4 are provided on the base plate 2, the micro switch 3 is arranged in the middle position of the base plate 2, the infrared transceiver 4 is arranged on one side of the micro switch 3, a guide ring 5 is provided on the top of the shell 1, a transmission block 6 cooperating with the micro switch 3 is slidably provided in the guide ring 5, a avoidance hole 61 cooperating with the infrared transceiver 4 is provided on the transmission block 6, a plurality of springs 7 are provided between the transmission block 6 and the base plate 2, a guide column cooperating with the spring 7 is provided on the transmission block 6, a pressing sheet 8 is provided on the side of the transmission block 6 away from the base plate 2, and a light-transmitting portion cooperating with the infrared transceiver 4 is provided on the pressing sheet 8.

[0018] The top of the housing 1 is provided with a limit plate 11 that cooperates with the guide ring 5 and the transmission block 6. The limit plate 11 is provided with an embedding groove 111 on the outer side, and the guide ring 5 is provided with a clamping portion 51 that is interference-fitted with the embedding groove 111. The limit plate 11 is provided with a through hole for the transmission block 6 to pass through, and the bottom of the transmission block 6 is provided with a limit block 62 that cooperates with the limit plate 11. The limit block 62 is pressed against the inner side of the limit plate 11 by the elastic force of the spring 7.

[0019] The pressing sheet 8 includes a stainless steel substrate 81, on which a number hole and a light-transmitting hole 811 cooperating with the infrared transceiver 4 are provided. An ABS letter piece 82 corresponding to the position of the number hole is injection-molded on one side of the stainless steel substrate 81, and a light-transmitting sheet 83 corresponding to the position of the light-transmitting hole 811 is secondary-injected on one side of the ABS letter piece 82. The light-transmitting sheet 83 cooperates with the light-transmitting hole 811 to form a light-transmitting portion.

[0020] The diameter of the pressing piece 8 is the same as the inner diameter of the guide ring 5 , and a rubber ring 9 is provided between the pressing piece 8 and the transmission block 6 .

[0021] Working principle:

[0022] The button has two excitation modes, one is conventional mechanical pressing excitation, the other is infrared sensing excitation;

[0023] Mechanical pressing excitation, specifically, pressing the pressing sheet 8 drives the transmission block 6 to squeeze the micro switch 3, thereby stimulating the output signal of the button to complete the human-computer interaction;

[0024] The infrared transceiver 4 emits infrared light to the outside of the button through the avoidance hole 61 and the light-transmitting part. When a finger or other object is suspended 10 to 20 mm above the button surface, the infrared light is reflected to the infrared transceiver 4, thereby stimulating the output signal of the button and completing the human-computer interaction.

[0025] The two excitation modes cooperate with each other to increase the service life of the button.

[0026] Directions and references (e.g., up, down, left, right, etc.) in the present invention may only be used to assist in the description of features in the accompanying drawings. Therefore, the following detailed description is not to be taken in a limiting sense, and the scope of the subject matter claimed is limited only by the attached claims and their equivalents.

[0027] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without departing from the scope of the utility model through the above description. The technical scope of this utility model is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A long-life infrared mechanical button, characterized in that: The invention comprises a shell (1), wherein a bottom plate (2) is provided at the bottom of the shell (1), a micro switch (3) and an infrared transceiver (4) are provided on the bottom plate (2), the micro switch (3) is provided at the middle position of the bottom plate (2), and the infrared transceiver (4) is provided on one side of the micro switch (3), a guide ring (5) is provided at the top of the shell (1), a transmission block (6) cooperating with the micro switch (3) is slidably provided in the guide ring (5), a avoidance hole (61) cooperating with the infrared transceiver (4) is provided on the transmission block (6), a plurality of springs (7) are provided between the transmission block (6) and the bottom plate (2), a pressing sheet (8) is provided on the side of the transmission block (6) away from the bottom plate (2), and a light-transmitting portion cooperating with the infrared transceiver (4) is provided on the pressing sheet (8).

2. The long-life infrared mechanical button according to claim 1, characterized in that: A limiting plate (11) is provided on the top of the housing (1), an embedding groove (111) is provided on the limiting plate (11), and a clamping portion (51) which is interference-fitted with the embedding groove (111) is provided on the guide ring (5).

3. The long-life infrared mechanical button according to claim 2, characterized in that: The limiting plate (11) is provided with a through hole for the transmission block (6) to pass through, and the bottom of the transmission block (6) is provided with a limiting block (62) that cooperates with the limiting plate (11).

4. The long-life infrared mechanical button according to claim 1, characterized in that: The pressing sheet (8) comprises a stainless steel substrate (81), the stainless steel substrate (81) being provided with a number hole and a light-transmitting hole (811) cooperating with the infrared transceiver (4), an ABS letter sheet (82) corresponding to the position of the number hole being injection-molded on one side of the stainless steel substrate (81), a light-transmitting sheet (83) corresponding to the position of the light-transmitting hole (811) being secondary-injected on one side of the ABS letter sheet (82), the light-transmitting sheet (83) cooperating with the light-transmitting hole (811) forming a light-transmitting portion.

5. The long-life infrared mechanical button according to claim 1, characterized in that: The diameter of the pressing plate (8) is the same as the inner diameter of the guide ring (5), and a rubber ring (9) is provided between the pressing plate (8) and the transmission block (6).

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