Emergency switch

Abstract

The utility model provides an emergency switch, which comprises a base, a circuit board, an induction cover and a protective cover, the base is arranged in the protective cover and partially penetrates through the protective cover, the circuit boards are fixed to the side, close to the protective cover, of the base at intervals, and the sensing cover is fixed to the side, close to the protective cover, of the base in a covering mode to form sealing. The circuit board penetrates through the base through a wire and is used for being electrically connected with an external power source. The emergency switch provided by the utility model can effectively reduce mechanical wear, and is high in overall dustproof, waterproof and anti-interference performance, convenient to operate and better in user experience effect.

Description

Technical Field

[0001] The utility model relates to the technical field of switches, in particular to an emergency switch. Background Art

[0002] Emergency switches are widely used in various places for safety control. In order to make our daily life and production safer, many machines are equipped with emergency switches. When an emergency occurs, we can use the emergency switch to quickly cut off the power supply to the machine and stop it from running.

[0003] However, the connection between the switch button and the control device of the emergency switch currently on the market is not stable. It is easy for people to unplug the button without affecting the power supply of the equipment, which often leads to the situation that the switch button is missing. When an emergency occurs, the power cannot be cut off in time due to the lack of the button, resulting in accidents. At the same time, the unstable connection between the switch button and the control device will also lead to poor sealing and poor waterproof effect.

[0004] However, the above emergency switch has poor safety, poor waterproof effect and poor user experience. Utility Model Content

[0005] In view of the above deficiencies in the prior art, the utility model proposes an emergency switch to solve the technical problems of poor safety, poor waterproof effect and poor user experience of the existing emergency switch.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] The utility model provides an emergency switch, comprising a base, a circuit board, a sensing cover and a protective cover; the base is arranged in the protective cover and partially penetrates the protective cover, the circuit board is fixed at intervals on a side of the base close to the protective cover, the sensing cover is fixed on a side of the base close to the protective cover and forms a seal, and the circuit board passes through the base through a wire for electrical connection with an external power supply.

[0008] Preferably, the base includes a base body, a mounting groove formed by a depression of the base body, and a connecting portion formed by extending from a side of the base body away from the mounting groove, the circuit board is arranged in the mounting groove, and the sensing cover is fixed to a side of the base body close to the protective cover.

[0009] Preferably, the emergency switch further comprises a nut, the outer peripheral side of the connecting portion is recessed to form a threaded structure, and the nut is connected to the threaded structure to fix the base and the protective cover.

[0010] Preferably, the protective cover includes a protective body with a hollow structure, a plurality of limiting portions extending from a side of the protective body close to the base to a side away from the base, and a through groove penetrating the side of the protective body close to the base; the base body is arranged in the protective body, and the peripheral side of the base body abuts against the plurality of limiting portions; the connecting portion is arranged in the through groove, and the nut abuts against the side of the protective body close to the base.

[0011] Preferably, the sensing cover comprises a sensing cover body which is fixed to the base and a pressing portion which is formed by being recessed from a side of the sensing cover body close to the protective cover to a side away from the protective cover.

[0012] Preferably, the emergency switch further comprises a fixing column fixed in the base, and the circuit board is fixed to a side of the fixing column away from the base.

[0013] Preferably, the circuit board is provided with a first pad, a second pad, a third pad and a fourth pad, the first pad is connected to the negative voltage of the external power supply, and the second pad, the third pad and the fourth pad are respectively connected to the positive voltage of the external power supply.

[0014] Compared with the related art, in the embodiment of the utility model, the base is arranged in the protective cover and partially penetrates the protective cover, the circuit board is fixed at intervals on the side of the base close to the protective cover, the sensing cover is fixed on the side of the base close to the protective cover and forms a seal, and the circuit board passes through the base through a wire to achieve electrical connection with an external power supply; mechanical wear is reduced, the overall dustproof, waterproof and anti-interference performance is strong, the operation is convenient, and the user experience effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is described in detail below in conjunction with the accompanying drawings. The above and other aspects of the utility model will become clearer and easier to understand through the detailed description made in conjunction with the following drawings. In the accompanying drawings:

[0016] Figure 1 This is a schematic diagram of the structure of the emergency switch in the embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the emergency switch in the embodiment of the utility model;

[0018] Figure 3 for Figure 1 AA section view;

[0019] Figure 4 Schematic diagram of the pad structure of the circuit board in the embodiment of the utility model

[0020] Among them, 100, emergency switch, 1, base, 11, base body, 12, mounting groove, 13, connecting part, 2, circuit board, 3, sensing cover, 31, sensing cover body, 32, pressing part, 4, protective cover, 41, protective body, 42, limiting part, 43, through groove, 5, nut, 6, fixing column, 7, first welding pad, 8, second welding pad, 9, third welding pad, 10, fourth welding pad. DETAILED DESCRIPTION

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of the present application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit the present application; the terms "including" and "having" and any variations thereof in the specification and claims of the present application 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 application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0022] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 4 As shown, an emergency switch 100 provided by the embodiment of the utility model includes a base 1, a circuit board 2, a sensing cover 3 and a protective cover 4; the base 1 is arranged in the protective cover 4 and partially penetrates the protective cover 4, the circuit board 2 is fixed at intervals on the side of the base 1 close to the protective cover 4, the sensing cover 3 is fixed on the side of the base 1 close to the protective cover 4 and forms a seal, and the circuit board 2 passes through the base 1 through a wire for electrical connection with an external power supply. Effectively reduce mechanical wear, strong overall dustproof, waterproof, anti-interference performance, easy operation, and better user experience.

[0025] The base 1 is used to support the sensor cover 3, which is convenient for sealing the circuit board 2 and has a good waterproof effect. By arranging the sensor cover 3 and the base 1 in the protective cover 4, the protection effect is better and the safety is strong.

[0026] In this embodiment, the base 1 includes a base body 11, a mounting groove 12 formed by the recess of the base body 11, and a connecting portion 13 formed by extending from a side of the base body 11 away from the mounting groove 12, the circuit board 2 is arranged in the mounting groove 12, and the sensing cover 3 is fixed to a side of the base body 11 close to the protective cover 4. It is convenient to install and fix the sensing cover 3 and to fix the protective cover 4, and the assembly is convenient.

[0027] In this embodiment, the emergency switch 100 further includes a nut 5. The outer peripheral side of the connecting portion 13 is recessed to form a threaded structure. The nut 5 is connected to the threaded structure to fix the base 1 and the protective cover 4. The fixing effect and sealing of the base 1 and the protective cover 4 are improved.

[0028] In this embodiment, the protective cover 4 includes a protective body 41 with a hollow structure, a plurality of limiting portions 42 extending from a side of the protective body 41 close to the base 1 to a side away from the base 1, and a through groove 43 passing through the protective body 41 close to the base 1; the base body 11 is arranged in the protective body 41, and the peripheral side of the base body 11 abuts against the plurality of limiting portions 42; the connecting portion 13 is arranged in the through groove 43, and the nut 5 abuts against the side of the protective body 41 close to the base 1.

[0029] In this embodiment, the sensing cover 3 includes a sensing cover body 31 fixed to the base 1 and a pressing portion 32 formed by a side of the sensing cover body 31 close to the protective cover 4 being recessed toward a side away from the protective cover 4. The pressing is comfortable and the user experience is good.

[0030] In this embodiment, the emergency switch 100 further includes a fixing column 6 fixed in the base 1, and the circuit board 2 is fixed to a side of the fixing column 6 away from the base 1. This facilitates separating the circuit board 2 and the base 1 from the induction cover 3, increases the heat dissipation effect of the circuit board 2, and improves the service life of the emergency switch 100.

[0031] In this embodiment, the circuit board 2 is provided with a first pad 7, a second pad 8, a third pad 9 and a fourth pad 10, the first pad 7 is connected to the negative voltage of the external power supply, the second pad 8, the third pad 9 and the fourth pad 10 are respectively connected to the positive voltage of the external power supply. The first pad 7 is used to input the negative voltage V- of the external power supply, connected to the blue wire of the M12-4 male connector; the second pad 8 is used to input the positive voltage V+ of the external power supply, connected to the brown wire of the M12-4 male connector; the third pad 9 is used for negative polarity normally closed output, connected to the white wire of the M12-4 male connector, and the fourth pad 10 is used for negative polarity normally open output, connected to the black wire of the M12-4 male connector.

[0032] Specifically, the red power indicator light is on after the power is turned on. When there is no touch, the red touch light is on, the normally closed output is connected to V-, and the normally open output is disconnected from V-. When there is touch, the red touch light goes out, the normally closed output is disconnected from V-, and the normally open output is connected to V-.

[0033] It should be noted that the various embodiments described above with reference to the accompanying drawings are only used to illustrate the present invention rather than to limit the scope of the present invention. Those skilled in the art should understand that any modification or equivalent replacement of the present invention without departing from the spirit and scope of the present invention should be included in the scope of the present invention. In addition, unless otherwise indicated by the context, words appearing in the singular include the plural form, and vice versa. In addition, unless otherwise specified, all or part of any embodiment may be used in combination with all or part of any other embodiment.

Claims

1. An emergency switch, characterized in that: It includes a base, a circuit board, a sensing cover and a protective cover; the base is arranged in the protective cover and partially penetrates the protective cover, the circuit board is fixed at intervals on the side of the base close to the protective cover, the sensing cover is fixed on the side of the base close to the protective cover and forms a seal, and the circuit board passes through the base through a wire to achieve electrical connection with an external power supply.

2. The emergency switch according to claim 1, characterized in that: The base includes a base body, a mounting groove formed by a depression of the base body, and a connecting portion formed by extending from a side of the base body away from the mounting groove. The circuit board is arranged in the mounting groove at intervals, and the sensing cover is fixed to a side of the base body close to the protective cover.

3. The emergency switch according to claim 2, characterized in that: The emergency switch also includes a nut. The outer peripheral side of the connecting portion is recessed to form a threaded structure. The nut is connected to the threaded structure to fix the base and the protective cover.

4. The emergency switch according to claim 3, characterized in that: The protective cover includes a protective body with a hollow structure, a plurality of limiting portions extending from a side of the protective body close to the base to a side away from the base, and a through slot passing through the protective body close to the base; the base body is arranged in the protective body, and the peripheral side of the base body abuts against the plurality of limiting portions; the connecting portion is arranged in the through slot, and the nut abuts against a side of the protective body close to the base.

5. The emergency switch according to claim 1, characterized in that: The sensing cover comprises a sensing cover body which is fixed to the base and a pressing portion which is formed by being recessed from a side of the sensing cover body close to the protective cover to a side away from the protective cover.

6. The emergency switch according to claim 1, characterized in that: The emergency switch also includes a fixing column fixed in the base, and the circuit board is fixed to a side of the fixing column away from the base.

7. The emergency switch according to claim 1, characterized in that: The circuit board is provided with a first pad, a second pad, a third pad and a fourth pad, the first pad is connected to the negative voltage of the external power supply, and the second pad, the third pad and the fourth pad are respectively connected to the positive voltage of the external power supply.

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