Automatic emergency stop switch and safety station

Abstract

The utility model provides an automatic emergency stop switch and a safety station, and relates to the technical field of industrial equipment. The automatic emergency stop switch comprises a mounting plate and a protection box which is vertically arranged on the mounting plate and is provided with an inner space; a trigger plate is arranged at the upper end of the protection box; one end of the trigger plate is rotatably connected to the protection box, so that at least part of the trigger plate is located in the inner space; an elastic switch abutting against the lower end of the trigger plate is arranged in the inner space, so that the other end of the trigger plate is located outside the inner space. A wire of the elastic switch extends to the outside of the protection box and is electrically connected with an emergency stop circuit for triggering the equipment to stop suddenly. Through the simple structure, automatic sudden stop during door opening and automatic recovery during door closing are achieved, the safety of personnel during equipment maintenance is guaranteed, the equipment cost is reduced, and the device is practical, reliable and extremely high in commercial popularization value.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial equipment, in particular to an automatic emergency stop switch and a safety workstation. Background Art

[0002] Industrial development can create a large number of employment opportunities and bring considerable economic benefits to society. Especially for developing countries, industry is also the core driving force for national economic development. Industry is constantly promoting technological innovation and providing more efficient and accurate solutions for all walks of life; these technological innovations also help improve people's quality of life and improve social welfare.

[0003] With the continuous advancement of science and technology, various new types of industrial equipment are constantly emerging. With the continuous use of industrial equipment, the safety issues caused by it are becoming more and more important. This is also an issue that people have always paid attention to. By improving the safety of equipment, the safety of practitioners can be guaranteed.

[0004] At current industrial equipment workstations, when maintaining and inspecting the equipment inside the workstation, or when the workstation door needs to be opened for other reasons, the equipment is usually shut down first using an external emergency stop switch to ensure the safety of the inspection and maintenance personnel. However, this process is often overlooked, and it is often the case that when the door is opened, the equipment is forgotten to be shut down, or the door is accidentally opened, and the relevant personnel do not have time to shut down the equipment using the emergency stop button, which may cause safety accidents. Therefore, there is a need for an automatic emergency stop switch and a safety workstation that can at least partially solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide an automatic emergency stop switch, which can propose solutions to the deficiencies of the prior art. Through a simple structure, it can achieve automatic emergency stop when the door is opened and automatic recovery when the door is closed, thereby ensuring the safety of personnel during equipment maintenance and reducing equipment costs. The utility model is practical and reliable and has great commercial promotion value.

[0006] Another object of the utility model is to provide a safety workstation, which can be combined with the above-mentioned automatic emergency stop switch to achieve the equipment safety emergency stop function with a simple structure, thereby improving equipment safety and reducing equipment costs.

[0007] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0008] An automatic emergency stop switch, comprising: a mounting plate, and a protective box vertically arranged on the mounting plate and having an inner space; a trigger plate is arranged at the upper end of the protective box; one end of the trigger plate is rotatably connected to the protective box so that at least part of the trigger plate is located in the inner space; an elastic switch is arranged in the inner space and abuts against the lower end of the trigger plate so that the other end of the trigger plate is located outside the inner space;

[0009] The wire of the elastic switch extends to the outside of the protective box and is electrically connected to the emergency stop circuit that triggers the emergency stop of the equipment; it has a simple structure, low cost, and is easy to implement. It can be used on a workstation to automatically realize the emergency stop function when the workstation door is opened.

[0010] Furthermore, in the utility model, the above-mentioned protective box is composed of a box body and a box plate; wherein the box plate is fixedly connected to the box body by countersunk screws.

[0011] Furthermore, in the present invention, the countersunk screw is a hexagon socket countersunk screw.

[0012] Furthermore, in the present invention, a protrusion is provided at a position where the box body and the box plate are opposite to each other, so that the box plate is lower than a position on the box body opposite to the box plate; or, an upper end of the box plate is higher than the box body to form a protrusion; wherein the height of the trigger plate is not higher than the protrusion;

[0013] When in use, the protrusion is located in the opening direction of the workstation door.

[0014] Furthermore, in the utility model, a plurality of mounting holes are provided on the mounting plate.

[0015] A safety workstation, comprising a workstation frame, a workstation door and an operating table; the workstation door is connected to the workstation frame via a hinge;

[0016] The station door is connected to one side of the hinge, and an automatic emergency stop switch is provided at the position of the station frame corresponding to the lower end thereof, and when the station door is opened, the lower end of the station door abuts against the trigger plate of the automatic emergency stop switch, and the trigger plate triggers the elastic switch in the automatic emergency stop switch;

[0017] The elastic switch is electrically connected to the emergency stop circuit in the operating console.

[0018] Furthermore, in the utility model, the workstation door is provided with an automatic lock.

[0019] Furthermore, in the utility model, it also includes a lighthouse arranged on the workstation frame; the lighthouse is electrically connected to the status indication circuit in the operating table.

[0020] Furthermore, in the present invention, the lighthouse comprises a sound unit and a light unit electrically connected to the status indication circuit.

[0021] The utility model has at least the following advantages or beneficial effects:

[0022] Through a mounting plate, and a protective box vertically arranged on the mounting plate and having an inner space; a trigger plate is provided at the upper end of the protective box; one end of the trigger plate can be rotatably connected to the protective box so that it is at least partially located in the inner space; an elastic switch is provided in the inner space and abuts against the lower end of the trigger plate so that the other end of the trigger plate is located outside the inner space; the wire of the elastic switch extends to the outside of the protective box and is electrically connected to the emergency stop circuit that triggers the emergency stop of the equipment. Through a simple structure, an automatic emergency stop switch is realized, which is applied to non-open workstations, realizing automatic emergency stop when the door is opened, and automatic recovery when the door is closed;

[0023] Through the workstation frame, workstation door and operating table; the workstation door is connected to the workstation frame through a hinge; the workstation door is connected to one side of the hinge, and an automatic emergency stop switch is provided at the position of the workstation frame corresponding to the lower end thereof, and when the workstation door is opened, the lower end of the workstation door abuts against the trigger plate of the automatic emergency stop switch, and the trigger plate triggers the elastic switch in the automatic emergency stop switch; the elastic switch is electrically connected to the emergency stop circuit in the operating table. By combining the workstation with the above-mentioned automatic emergency stop switch, the equipment safety emergency stop function is realized with a simple structure, the equipment safety is improved, and the equipment cost is reduced. It ensures the safety of personnel during equipment maintenance and reduces the equipment cost. It is practical and reliable, and has great commercial promotion value. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 A schematic diagram of the structure of an automatic emergency stop switch provided in one embodiment of the utility model;

[0026] Figure 2 The present invention is a schematic structural diagram of a safety workstation provided in one embodiment of the present invention.

[0027] Icons: 1-automatic emergency stop switch, 2-safety workstation, 11-mounting plate, 12-protection box, 13-elastic switch, 14-trigger plate, 15-wire, 21-workstation frame, 22-workstation door, 23-hinge, 24-operating table, 25-lighthouse, 111-mounting hole, 121-box body, 122-box plate, 123-protrusion, 124-countersunk screw, 221-automatic lock, 251-sound unit, 252-light unit. DETAILED DESCRIPTION

[0028] Example 1

[0029] Please refer to Figure 1 , Figure 1 As shown, the present embodiment provides an automatic emergency stop switch 1, which includes: a mounting plate 11, and a protective box 12 vertically arranged on the mounting plate 11 and having an inner space; a trigger plate 14 is provided at the upper end of the protective box 12; one end of the trigger plate 14 is rotatably connected to the protective box 12 so that it is at least partially located in the inner space; an elastic switch 13 is provided in the inner space and abuts against the lower end of the trigger plate 14 so that the other end of the trigger plate 14 is located outside the inner space; the wire 15 of the elastic switch 13 extends to the outside of the protective box 12 and is electrically connected to the emergency stop circuit that triggers the emergency stop of the device.

[0030] When in use, the lower end of the door installed on the workstation device, when the workstation door is opened, the lower end of the workstation door presses the trigger plate 14 downward, so that it triggers the elastic switch 13 located in the above-mentioned protective box 12. The elastic switch 13 is connected to the circuit of the emergency stop switch through the wire 15, and can be connected in parallel with the wire on the emergency stop switch on the equipment, so that when the door is opened, the switch will automatically trigger the emergency stop. When the door is closed, due to the elasticity of the elastic switch 13, it returns to its original state and lifts the above-mentioned trigger plate 14, realizing automatic emergency stop when the workstation door is opened, and automatically recovering after the workstation door is closed, solving the problem in the prior art that the emergency stop switch is not activated when the door is opened due to various reasons, avoiding the safety hazards caused by this, and ensuring the safety of the maintenance and repair of the workstation equipment.

[0031] It should be noted that the automatic emergency stop switch 1 can also be applied to other similar environments, triggering the emergency stop when the door is opened and automatically restoring it after closing. In addition, the automatic emergency stop switch 1 can also be installed on the side of the door or inside the door. For example, when used inside the door, it is used as a normally closed mode. When the door is opened, the elastic switch 13 in the automatic emergency stop switch 1 is normally open, and the emergency stop is triggered by the normally open mode, and the operation is triggered by the normally closed mode.

[0032] As a preferred embodiment, the protective box 12 is composed of a box body 121 and a box plate 122, wherein the box plate 122 is fixedly connected to the box body 121 by countersunk screws 124. After the countersunk screws 124 are installed, the screw heads can be flush with the surface without protruding, making the appearance of the automatic emergency stop switch 1 more beautiful and neat, and the countersunk screws 124 can avoid the safety risks caused by the protruding screw heads due to collision.

[0033] Furthermore, the countersunk screw 124 is a hexagon socket countersunk screw 124. The hexagon socket countersunk screw 124 has both the aesthetics and anti-slip properties of a countersunk screw and the firmness and easy operation of a hexagon socket screw; at the same time, the hexagon socket head provides a larger torque transmission area, making the fastening more firm and reliable.

[0034] As a preferred embodiment, a protrusion 123 is provided at the position where the box body 121 and the box plate 122 are opposite to each other, so that the box plate 122 is lower than the position on the box body 121 opposite to the box plate; or, the upper end of the box plate 122 is higher than the box body 121 to form a protrusion 123; the height of the trigger plate 14 is not higher than the protrusion 123; when in use, the protrusion 123 is located in the opening direction of the work station door, because the protrusion 123 is higher than the above-mentioned trigger plate 14 or is at the same height as it, the trigger plate 14 will not protrude from the protrusion 123, which is used to avoid the above-mentioned trigger plate 14 from blocking the work station door when the work station door is closed when the above-mentioned work station door is opened too wide.

[0035] It should be noted that the protrusion 123 can be on the box plate 122 or on the box body 121, which can be selected according to the position of the door and the direction of opening the door.

[0036] As a preferred embodiment, a plurality of mounting holes 111 are provided on the mounting plate 11, and the mounting plate 11 can be mounted on the work station by screws so that it can be fixed more firmly.

[0037] Example 2

[0038] Please refer to Figure 2 The present embodiment provides a safety workstation 2, which includes a workstation frame 21, a workstation door 22 and an operating table 24; the workstation door 22 is connected to the workstation frame 21 through a hinge 23; the workstation door 22 is connected to one side of the hinge 23, and an automatic emergency stop switch 1 is provided at a position of the workstation frame 21 corresponding to the lower end thereof, and when the workstation door 22 is opened, the lower end of the workstation door 22 abuts against a trigger plate 14 of the automatic emergency stop switch 1, and the trigger plate 14 triggers the elastic switch 13 in the automatic emergency stop switch 1; the elastic switch 13 is electrically connected to the emergency stop circuit in the operating table 24.

[0039] When the station door 22 is opened, its lower end fits with the upper end of the automatic emergency stop switch 1, so that the elastic switch 13 in the automatic emergency stop switch 1 is triggered, and the equipment in the station is automatically emergency stopped, providing safety protection for equipment maintenance, inspection and other links. In addition, the present application uses the automatic emergency stop switch 1, which has a simple structure, is easy to implement, and has low cost. It does not need to use relatively expensive sensors and related accessories, and reduces costs without ensuring safety.

[0040] As a preferred embodiment, the station door 22 is provided with an automatic lock 221. Through the automatic lock 221, when the station door is closed, it is automatically locked. When it needs to be opened, it can be unlocked by pulling the pull button above. It can also be set to other types of automatic locks 221, for example, automatic locks 221 that need to be opened with a key, so that the process of opening, closing and locking the door is automated, and the convenience of the user is also improved.

[0041] As a preferred embodiment, it also includes a lighthouse 25 arranged on the workstation frame 21; the lighthouse 25 is electrically connected to the status indication circuit in the operating table 24. Through the above-mentioned lighthouse 25, the status of the equipment, such as working, standby, fault, etc., can be conveyed to the operator by flashing or being always on. The operator can timely understand the status of the equipment according to the prompt of the lighthouse, and take corresponding measures to avoid equipment failure or safety accidents; on the other hand, the lighthouse can send different signals according to the different status of the equipment, helping the operator to quickly understand the operation of the equipment, thereby reducing the number of manual inspections and improving work efficiency; the equipment status is transmitted to the remote monitoring system by flashing or being always on in different colors, so that the maintenance personnel can remotely understand the status of the equipment and deal with it in time; and the equipment failure and maintenance requirements can be prompted to the operator, which helps to remind and encourage the operator to perform equipment maintenance and repair work, and improve the maintainability of the equipment.

[0042] Furthermore, the lighthouse 25 includes a sound unit 251 and a light unit 252 electrically connected to a status indication circuit. The lighthouse 25 can improve the effect and range of device status prompts through the complementary sound and light, adapt to different environments and people's needs, and thus improve the safety and reliability of the equipment.

[0043] In summary, the embodiments of the utility model provide an automatic emergency stop switch and a safety workstation, which, through a simple structure, realizes automatic emergency stop when the door is opened and automatic recovery when the door is closed, thereby ensuring the safety of personnel during equipment maintenance and reducing equipment costs. The utility model is practical and reliable and has great commercial promotion value.

[0044] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An automatic emergency stop switch, characterized in that: The automatic emergency stop switch comprises: a mounting plate, and a protection box vertically arranged on the mounting plate and having an inner space; a trigger plate is arranged at the upper end of the protection box; one end of the trigger plate is rotatably connected to the protection box so that at least part of it is located in the inner space; an elastic switch is arranged in the inner space and abuts against the lower end of the trigger plate so that the other end of the trigger plate is located outside the inner space; The wire of the elastic switch extends to the outside of the protection box and is electrically connected to the emergency stop circuit that triggers the emergency stop of the equipment.

2. The automatic emergency stop switch according to claim 1, characterized in that: The protective box is composed of a box body and a box plate; wherein the box plate is fixedly connected to the box body by countersunk screws.

3. The automatic emergency stop switch according to claim 2, characterized in that: The countersunk screw is a hexagon socket countersunk screw.

4. The automatic emergency stop switch according to claim 2, characterized in that: A protrusion is provided at a position where the box body and the box plate are opposite to each other, so that the box plate is lower than the position on the box body opposite to the box plate; or, the upper end of the box plate is higher than the box body to form a protrusion; wherein the height of the trigger plate is not higher than the protrusion; When in use, the protrusion is located in the opening direction of the workstation door.

5. The automatic emergency stop switch according to claim 1, characterized in that: The mounting plate is provided with a plurality of mounting holes.

6. A safety workstation, characterized in that: The safety workstation includes a workstation frame, a workstation door and an operating table; the workstation door is connected to the workstation frame through a hinge; The station door is connected to one side of the hinge, and an automatic emergency stop switch is provided at a position of the station frame corresponding to the lower end thereof, and when the station door is opened, the lower end of the station door abuts against a trigger plate of the automatic emergency stop switch, and the trigger plate triggers the elastic switch in the automatic emergency stop switch; The elastic switch is electrically connected to the emergency stop circuit in the operating console.

7. The safety station according to claim 6, characterized in that: The station door is provided with an automatic lock.

8. The safety station according to claim 6 or 7, characterized in that: It also includes a lighthouse arranged on the workstation frame; the lighthouse is electrically connected to a status indication circuit in the operating table.

9. The safety station according to claim 8, characterized in that: The lighthouse includes a sound unit and a light unit electrically connected to the status indication circuit.

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