CN215299107U

CN215299107U - Electromagnetic drive type automatic reset emergency stop device

Info

Publication number: CN215299107U
Application number: CN202121375584.2U
Authority: CN
Inventors: 许可; 赵肖庆; 吴子寒
Original assignee: Hangzhou Weilian Zhikong Technology Co ltd
Current assignee: Hangzhou Weilian Zhikong Technology Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-12-24
Anticipated expiration: 2031-06-21

Abstract

The utility model relates to an electrical equipment specifically discloses an electromagnetic drive formula automatic re-setting scram device. The electromagnetic drive type automatic reset emergency stop device comprises a shell and a knob; the knob comprises a clamping ring, and a clamping block is arranged on the clamping ring; a sliding block is arranged in the shell and corresponds to the clamping block, and an elastic part is arranged between the sliding block and the shell; the driving assembly is used for driving the sliding block to slide relative to the shell in a direction away from the clamping ring; the driving component comprises an electromagnet and a sliding tongue made of magnetic materials, and the sliding tongue and the sliding block synchronously move relative to the shell; when the sliding block is reset, the electromagnet is electrified to generate a magnetic field to attract the sliding tongue and drive the sliding block to slide relative to the shell and to be far away from the clamping block. The electromagnetic drive type automatic reset emergency stop device can realize the automatic reset of the emergency stop device, and simultaneously improves the working stability of the emergency stop device.

Description

Electromagnetic drive type automatic reset emergency stop device

Technical Field

The utility model relates to an electrical equipment, concretely relates to electromagnetic drive formula automatic re-setting scram device.

Background

The emergency stop device is a device which is pressed down in an emergency, quickly stops the work of equipment and protects personnel and equipment. The machine tool is widely used in various machines in factories, for example, various processing machines, and is also widely used in electric equipment in public places, for example, elevators.

Most of the existing emergency stop devices are in manual operation modes, and after the emergency stop devices are pressed down, the knobs are locked, and the equipment stops working. After the emergency factors are eliminated, the knob is rotated and released, and then the equipment can be restarted.

However, in some end-user oriented devices, due to the lack of expertise of ordinary users, the situation of pressing the emergency stop device by mistake often occurs; or after pressing the scram device and removing the emergency factor, there is often no awareness of restarting the equipment. At the moment, workers are required to go to the site to reset the emergency stop device, and the labor cost is high.

Especially, at present that the sharing economy is rapidly developed, a large amount of shared electric equipment such as electric pile that fills is put on the market. Due to the product characteristics of the shared equipment, the staff only carries out maintenance regularly, and the staff only carries out remote monitoring in most of the time. For the safety of the electric equipment and the user, part of the shared electric equipment is also provided with an emergency stop device, and the user can quickly stop the equipment in an emergency. Common users often lack of speciality, and if workers cannot timely restart the equipment on site, the equipment is idle, and the maintenance cost is high.

In order to solve the above problems, the chinese patent application with application publication No. CN 110911183a discloses a novel emergency stop switch, in which a motor is disposed in a fixing buckle, and the motor drives a spline shaft to rotate, so as to realize automatic reset of the emergency stop switch. However, in the novel emergency stop switch disclosed in the above patent application, in the process of pressing the emergency stop switch, the second protrusion on the spline shaft and the first protrusion on the shifting piece have the possibility of mutual interference, so that the risk that the emergency stop button cannot be pressed in place exists, and the reliability of the operation of the emergency stop switch is affected.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide an electromagnetic drive formula automatic re-setting emergency stop device realizes emergency stop device's automatic re-setting, improves emergency stop device's job stabilization nature simultaneously.

In order to solve the technical problem, the utility model provides a technical scheme as follows: an electromagnetic drive type automatic reset emergency stop device comprises a shell and a knob, wherein a mounting cavity is arranged in the shell, the knob is partially inserted into the mounting cavity and is movably connected with the shell, and a reset spring is arranged between the knob and the shell; the knob comprises a clamping ring, and a clamping block is arranged on the clamping ring; a sliding block is arranged in the shell and corresponds to the clamping block, and an elastic part is arranged between the sliding block and the shell;

the driving assembly is used for driving the sliding block to slide relative to the shell in a direction away from the clamping ring; the driving component comprises an electromagnet and a sliding tongue made of magnetic materials, and the sliding tongue and the sliding block synchronously move relative to the shell; when the sliding block is reset, the electromagnet is electrified to generate a magnetic field to attract the sliding tongue and drive the sliding block to slide relative to the shell and to be far away from the clamping block.

During scram, the knob is pressed manually, the clamping ring compresses the elastic piece in a descending process, the clamping ring can pass through the sliding block, and after the clamping ring passes through the sliding block, the sliding block resets and is matched with the clamping block to clamp the knob, so that the scram device is kept in a scram state. When the reset is performed, the electromagnet is electrified to attract the sliding tongue, the sliding tongue drives the sliding block to slide relative to the shell, the sliding block is separated from the clamping block, the knob is released, and the knob is reset upwards under the pushing of the reset elastic piece.

The automatic reset emergency stop device can realize automatic reset of the emergency stop device, and an operator can remotely control the emergency stop device, so that the workload of the operator is reduced, and the use and maintenance cost is reduced.

Compared with the background art, the knob is released in a sliding mode of the driving sliding block, the possibility of conflict between the first projection and the second projection is ingeniously avoided, the knob can be smoothly put in place for scram when pressed down, and the safety and the reliability of the work of the scram device are guaranteed.

Preferably, the sliding tongue and the sliding block are integrally or separately arranged.

Preferably, a trigger element is further arranged in the shell and electrically connected with the electromagnet; when the electromagnet is reset, the sliding tongue moves to the trigger element for a preset distance, the trigger element works, and the electromagnet is controlled to be powered off.

The working time of the electromagnet and the movement distance of the sliding tongue are limited by the trigger element, the sliding block can be timely reset on the premise of ensuring the reset of the knob, the advantage of quick response of the electromagnet form is fully exerted, and preparation is made for emergency stop again.

Preferably, a guide hole is axially formed in the electromagnet, the sliding tongue comprises a guide rod, and the guide rod is inserted into the guide hole and axially slides along the guide hole; the trigger element is arranged in the guide hole.

The guide rod is matched with the guide hole, so that the motion of the sliding tongue and the sliding block is guided, and meanwhile, the element is convenient to trigger.

Preferably, the trigger element comprises a travel switch.

Drawings

FIG. 1 is an exploded view of an electromagnetic drive type automatic reset emergency stop device according to the present embodiment;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a sectional view of the electromagnetic drive type automatic reset emergency stop device of the embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Examples

As shown in fig. 1-3, an electromagnetic drive type automatic reset emergency stop device comprises a housing 1 and a knob 2, wherein a mounting cavity is arranged in the housing 1, a part of the knob 2 is inserted into the mounting cavity and is movably connected with the housing 1, and a reset spring 3 is arranged between the knob 2 and the housing 1. The knob 2 comprises a clamping ring 21, and a clamping block 22 is arranged on the clamping ring 21. The shell 1 is internally provided with a sliding block 4, the sliding block 4 corresponds to the clamping block 22, and an elastic part 5 is arranged between the sliding block 4 and the shell 1.

As shown in fig. 1-3, the device further comprises a driving assembly 6, wherein the driving assembly 6 is used for driving the sliding block 4 to slide relative to the shell 1 in a direction away from the collar 21. The driving assembly 6 includes an electromagnet 81 and a sliding tongue 84 made of magnetic material, and the sliding tongue 84 and the sliding block 4 synchronously move relative to the shell 1. When the slide block 22 is reset, the electromagnet 81 is electrified to generate a magnetic field to attract the slide tongue 84 and drive the slide block 4 to slide relative to the shell 1 and be far away from the fixture block 22. The sliding tongue 84 and the sliding block 4 are arranged integrally or separately.

During scram, knob 2 is pressed manually, rand 21 is at the down in-process, and slider 4 compression elastic component 5, and rand 21 can pass through slider 4 to after passing, slider 4 resets and cooperates chucking knob 2 with fixture block 22, makes the scram device keep in the scram state. When the reset is performed, the electromagnet 81 is electrified to attract the sliding tongue 84, the sliding tongue 84 drives the sliding block 4 to slide relative to the shell 1, the sliding block 4 is separated from the clamping block 22, the knob 2 is released, and the knob 2 is reset upwards under the pushing of the reset elastic piece 5.

The remote control device is characterized by further comprising a control module and a remote operation module, wherein the control module is electrically connected with the driving assembly 6 and the remote operation module respectively, and controls the working state of the driving assembly 6 according to the instruction of the remote operation module.

The control module comprises a communication unit, and the remote operation module is connected with the communication unit through wired signals and/or wireless signals for communication. The wired signal is one or more of IO high and low level, 485, 232 and CAN, and the wireless signal is one or more of 4G, 5G, WIFI, LORA and NB-lot. The system can adopt a single communication mode, can also be compatible with a plurality of communication modes simultaneously, can adapt to various use occasions such as workshops and public places, and has good market compatibility.

As shown in fig. 1-3, a triggering element 83 is further disposed in the housing 1, and the triggering element 83 is electrically connected to the electromagnet 81; when the electromagnet 81 is reset, the sliding tongue 84 moves to the trigger element 83 for a preset distance, the trigger element 83 works, and the electromagnet 81 is controlled to be powered off. The trigger element 83 comprises a travel switch.

The working time of the electromagnet 81 and the movement distance of the sliding tongue 84 are limited by the trigger element 83, so that the sliding block 4 can be timely reset on the premise of ensuring the reset of the knob 2, the advantage of quick response of the electromagnet 81 is fully exerted, and the emergency stop is prepared for the emergency stop again.

As shown in fig. 1 to 3, a guide hole 82 is axially formed in the electromagnet 81, the sliding tongue 84 includes a guide rod 83, and the guide rod 83 is inserted into the guide hole 82 and axially slides along the guide hole 82; the trigger element 83 is disposed in the guide hole 82. The guide rod 83 and the guide hole 82 cooperate to guide the movement of the sliding tongue 84 and the slider 4, and also to facilitate the triggering element 83.

In summary, the above description is only a preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. An electromagnetic drive type automatic reset emergency stop device comprises a shell and a knob, wherein a mounting cavity is arranged in the shell, the knob is partially inserted into the mounting cavity and is movably connected with the shell, and a reset spring is arranged between the knob and the shell; the knob comprises a clamping ring, and a clamping block is arranged on the clamping ring; a sliding block is arranged in the shell and corresponds to the clamping block, and an elastic part is arranged between the sliding block and the shell;

the method is characterized in that: the driving assembly is used for driving the sliding block to slide relative to the shell in a direction away from the clamping ring;

the driving component comprises an electromagnet and a sliding tongue made of magnetic materials, and the sliding tongue and the sliding block synchronously move relative to the shell; when the sliding block is reset, the electromagnet is electrified to generate a magnetic field to attract the sliding tongue and drive the sliding block to slide relative to the shell and to be far away from the clamping block.

2. The electromagnetic drive type automatic reset emergency stop device according to claim 1, characterized in that: the sliding tongue and the sliding block are arranged integrally or separately.

3. The electromagnetic drive type automatic reset emergency stop device according to claim 1 or 2, characterized in that: a trigger element is also arranged in the shell and is electrically connected with the electromagnet; when the electromagnet is reset, the sliding tongue moves to the trigger element for a preset distance, the trigger element works, and the electromagnet is controlled to be powered off.

4. The electromagnetic drive type automatic reset emergency stop device according to claim 3, characterized in that: the sliding tongue comprises a guide rod, and the guide rod is inserted into the guide hole and slides along the axial direction of the guide hole; the trigger element is arranged in the guide hole.

5. The electromagnetic drive type automatic reset emergency stop device according to claim 4, characterized in that: the trigger element comprises a travel switch.