TWI759971B - Emergency switch module - Google Patents

Abstract

An emergency switch module includes a casing, a switch body, a cover and a connecting element. The casing includes an outer shell portion and a switch cavity dented relatively to the outer shell portion. The switch body is embedded in the switch cavity and configured to move between an operation position and a shutdown position. The cover is configured to cover or expose the switch body and includes a press portion corresponding to the switch body and a driving portion protruded from an inner surface of the press portion. The press portion is configured to be pressed and push the driving portion to move the switch body to the shutdown position. The connecting element connects the cover and pivotally connected to the outer shell portion to drive the cover to rotate relatively to the casing to cover or expose the switch body.

Description

Emergency switch module

The present invention relates to a switch module, and particularly to an emergency switch module.

In recent years, with the continuous increase of labor costs, more and more enterprises need more machinery and devices to replace the high labor costs, which can not only save a lot of costs, but also realize partial or complete automation, improving the production efficiency. In the automated warehousing system, the application of automated guided vehicles (AGV) is increasingly showing its advantages, mainly due to its good adaptability, high reliability, good flexibility, and the integration and automation of production and handling functions. , has been widely used in many industries in China.

An automatic navigation vehicle generally refers to a transport vehicle equipped with automatic guidance devices such as electromagnetic or optical, capable of driving along a prescribed guidance path, with safety protection and various transfer functions. It is powered by batteries and is driven by unmanned driving. The handling of goods has been rapidly developed in recent years due to its high degree of automation, flexibility and convenience. However, due to the complex working environment of the automatic navigation vehicle, it is often mixed with the work area of the employees, and its working environment is sometimes narrow, which brings a lot of uncertainty to the work of the automatic navigation vehicle. Therefore, its safety function becomes particularly important, so the setting of the emergency switch has become an indispensable component in the automatic navigation vehicle. The emergency switch can not only ensure the safety of personnel and equipment, but also ensure the safety of the equipment of the automatic navigation vehicle itself.

The present invention provides an emergency switch module, which is easy to operate and can prevent the cover of the emergency switch from being lost.

An emergency switch module of the present invention includes a casing, a switch body, a cover and a connector. The housing includes an outer shell portion and a switch accommodating groove recessed in the outer shell portion. The switch body is embedded in the switch accommodating slot, and is configured to move between the normal operation position and the emergency stop position. The cover is configured to cover or expose the switch body and includes a pressing portion corresponding to the switch body and a driving portion protruding from the pressing portion facing the inner surface of the switch body, the pressing portion being adapted to be pressed to The driving part is driven to press and move the switch body to the emergency stop position. The connecting piece is connected to the cover body and pivoted on the housing portion, so as to drive the cover body to rotate relative to the casing to cover or expose the switch body.

In an embodiment of the present invention, the pressing portion includes an elastic film.

In an embodiment of the present invention, the switch body is configured to rotate between the normal operating position and the emergency stop position.

In an embodiment of the present invention, the cover body is rotated relative to the housing through the connecting member to cover the switch body in a closed position, expose the switch body at an open position, and attach the switch The body is reset to the restart position of the normal operating position.

In an embodiment of the present invention, the open position is located between the closed position and the restart position.

In an embodiment of the present invention, the emergency switch module further includes a pull cord, the opposite ends of which are respectively fixed on the switch body and the cover body, so that when the cover body rotates to the restart position Pulling the switch body correspondingly rotates to the normal operating position.

In an embodiment of the present invention, the switch body further includes a hook member, and one end of the pull cord is fixed to the hook member.

In an embodiment of the present invention, the connecting member includes a fixed end fixed to the cover body, a pivot end pivotally connected to the housing portion, and an arc guide portion connected to the fixed end and the pivot Between the connecting ends, the arc-shaped guiding portion passes through the opening of the casing portion to drive the fixed end to rotate out of the casing portion in an arc-shaped manner.

In an embodiment of the present invention, the emergency switch module further includes a positioning member, one end of which is fixed to the pivoting end, and the other end is supported on the arc-shaped guide portion and includes a positioning protrusion. When the connecting member rotates to a fixed point, the positioning convex point is engaged with the positioning hole of the arc-shaped guide portion.

In one embodiment of the present invention, the cover is configured to rotate relative to the housing to a reset position to reset the switch body to the normal operating position. When the cover is rotated to the reset position When in position, the positioning protrusion is engaged with the positioning hole of the arc-shaped guide portion.

Based on the above, the emergency switch module of the present invention may include a cover, which is pivotally connected to the casing through the connecting member, so as to cover or expose the switch body by rotating relative to the casing. Under such a configuration, when an emergency occurs, the operator can immediately press the cover to drive the switch body to move to the emergency stop position, so as to quickly stop the operation of the device. In addition, when the operator wants to restart the device, he can easily open the cover to the open position to expose the switch body and restore the switch body to the normal operating position to make the device operate again. In this configuration, the switch body is covered with a cover in a normal state, which can prevent dust from running into the casing, and can also make the device applying the emergency switch module have a simple appearance. Moreover, since the cover body is pivotally connected to the housing through the connecting piece, the operator can easily open the cover body when restarting the device, and can avoid the loss of the cover body due to opening the cover.

The foregoing and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of each embodiment with reference to the drawings. The directional terms mentioned in the following embodiments, such as "up", "down", "front", "rear", "left", "right", etc., only refer to the directions of the attached drawings. Accordingly, the directional terms used are intended to illustrate rather than limit the present invention. Also, in the following embodiments, the same or similar elements will be given the same or similar reference numerals.

1 is a schematic diagram of a cover of an emergency switch module in a closed position according to an embodiment of the present invention. 2 is a schematic diagram of a cover of an emergency switch module in an open position according to an embodiment of the present invention. Please refer to FIG. 1 and FIG. 2 at the same time, in some embodiments, the emergency switch module 100 can be applied to any automatic operation device 10, which can immediately shut down the device 10 (power off or stop running) in an emergency situation Wait). This emergency can be a situation where there is a danger to the operator, overloading of the machine, loss of control or malfunction of the machine function. In this embodiment, the emergency switch module 100 can be applied to an automated guided vehicle (AGV), which is adapted to move along a wire on the floor, a marker block, a magnetic strip, or by visual navigation or laser Navigation and other methods perform automatic navigation, and can be applied to industrial production or transporting goods in workshops and warehouses. Of course, this embodiment does not limit the application scope of the emergency switch module 100 .

In some embodiments, the emergency switch module 100 may include a housing 110 , a switch body 120 , a cover 130 and a connector 140 . In the present embodiment, the housing 110 may be the housing of the device 10 (eg, AGV) to which the emergency switch module 100 is applied, and may include a housing portion 112 and a switch accommodating groove 114 recessed inwardly in the housing portion 112 . , the switch body 120 can be embedded in the switch accommodating slot 114 and move between the normal operation position and the emergency stop position. In this embodiment, the switch body 120 can be a button structure, and the operator can press the button structure with fingers to move the switch body 120 between the normal operation position and the emergency stop position. In this configuration, in the normal operating state of the device 10 , the cover 130 covers the switch accommodating groove 114 and the switch body 120 , and is substantially coplanar with the housing portion 112 , so as to maintain the simple appearance of the device 10 .

3 is a schematic cross-sectional view of a cover of an emergency switch module in a closed position according to an embodiment of the present invention. 4 is a schematic cross-sectional view of a cover of an emergency switch module in an open position according to an embodiment of the present invention. 3 and 4, in some embodiments, the cover 130 selectively covers the switch body 120 and includes a pressing portion 132 and a driving portion 134, wherein the pressing portion 132 corresponds to the switch body 120, and the driving portion 134 corresponds to the switch body 120. protrudes from the inner surface of the pressing portion 132 . For example, the pressing portion 132 may include an elastic element such as an elastic film, which may be deformed by pressing. With this configuration, when an emergency occurs, the operator only needs to directly press the pressing portion 132 of the cover body 130, and the pressing portion 132 can be pressed to move inward, thereby driving the driving portion 134 to move into the switch accommodating slot 114, so as to Push the switch body 120 to the emergency stop position to emergency stop the operation of the device 10 .

In some embodiments, the cover 130 can be pivotally connected to the pivoting member 150 of the housing 110 through the connecting member 140 . Specifically, the connecting member 140 is connected to the cover body 130 and pivoted to the outer shell portion 112 of the casing 110 to drive the cover body 130 to rotate relative to the casing 110 along the rotation direction R1 to cover (as shown in FIG. 3 ) or The switch body 120 is exposed (in the state shown in FIG. 4 ). In this embodiment, the cover body 130 rotates relative to the casing 110 through the connecting member 140 between the closed position shown in FIGS. 1 and 3 and the open position shown in FIGS. 2 and 4 , when the cover body 130 In the closed position, the cover body 130 covers the switch body 120 , and the operator can directly press the cover body 130 to activate the emergency switch (ie, press the switch body 120 inward to the emergency stop position) to stop the emergency stop device 10 . run.

In some embodiments, when the switch body 120 is pressed to the emergency stop position, the switch body 120 will be locked in the emergency stop position (retracted position) to maintain the emergency stop state. Therefore, the operator may not be able to touch the switch body 120 in the emergency stop position by pressing the cover body 130 again. At this time, if the operator wants to restart the device 10, that is, when the switch body 120 is returned from the emergency stop position to the normal operation position (the more convex position), the cover body 130 must be opened along the rotation direction R1 to make the cover When the body 130 is in the open position, the switch body 120 is exposed. At this time, the operator can restore the switch body 120 to the normal operating position by rotating the switch body 120, so that the device 10 can be operated again.

Under such a configuration, when an emergency occurs, the operator can immediately press the cover 130 to drive the switch body 120 to move to the emergency stop position, so as to quickly stop the operation of the device 10 . Moreover, when the operator wants to restart the device 10 , he can easily open the cover 130 to the open position to expose the switch body 120 and restore the switch body 120 to the normal operating position to enable the device 10 to operate again. In this way, the switch body 120 is covered by the cover body 130 in a normal state, which can prevent dust from running into the casing 110 , and further enables the device 10 using the emergency switch module to have a simple appearance. Moreover, since the cover body 130 is pivotally connected to the housing 110 through the connecting member 140 , the operator can easily open the cover body 130 when restarting the device 10 , thereby avoiding loss of the cover body 130 due to opening the cover.

5 is a schematic diagram of a cover of an emergency switch module in an open position according to another embodiment of the present invention. FIG. 6 is an exploded schematic view of some components of the emergency switch module of FIG. 5 . FIG. 7 is a schematic cross-sectional view of the cover of the emergency switch module of FIG. 5 in a closed position. FIG. 8 is a schematic cross-sectional view of the cover of the emergency switch module of FIG. 5 in a restarting position. It must be noted here that the emergency switch module 100a of this embodiment is similar to the emergency switch module 100 of FIG. 1 to FIG. 4 . Therefore, this embodiment uses the component numbers and parts of the previous embodiment, and uses the same Reference numerals are used to denote the same or similar elements, and descriptions of the same technical contents are omitted. For the description of the omitted part, reference may be made to the foregoing embodiments, which will not be repeated in this embodiment. The difference between the emergency switch module 100a of this embodiment and the emergency switch module 100 of FIGS. 1 to 4 will be described below.

Referring to FIG. 5 and FIG. 6 , in some embodiments, the emergency switch module 100 a can achieve the effect of restarting the device by opening the cover 130 . For example, in this embodiment, the cover 130 can be rotated relative to the housing 110 through the connecting member 140 in the closed position (the closed position shown in FIGS. 1 and 3 ), the open position (as shown in FIGS. 2 and 3 ) open position shown in Figure 4) and the restart position shown in Figure 5. When the cover body 130 is rotated to the restart position, the switch body 120 can be reset to the normal operation position to restart the device. In this embodiment, the open position is between the closed position and the restart position, that is, when the cover body 130 is rotated to the open position, the operator can manually reset the switch body 120 to the normal operation position, or the operator can manually reset the switch body 120 to the normal operation position. The cover body 130 can continue to be rotated along the rotation direction R1 to the reset position which is farther from the closed position, so as to automatically reset the switch body 120 to the normal operation position through the mechanism operation.

Specifically, the emergency switch module 100a may further include a pull cord 160, wherein opposite ends of the pull cord 160 may be respectively fixed on the switch body 120 and the cover body 130, so that the cover body 130 rotates to the position shown in FIG. 5 . When the switch body 120 is pulled to the reset position, the switch body 120 is rotated to the normal operation position. In this embodiment, the switch body 120 rotates between the normal operation position and the emergency stop position. That is, the switch body 120 can be switched between the normal operation position and the emergency stop position by pressing, and can also be switched between the normal operation position and the emergency stop position by rotating the switch body 120 .

In some embodiments, the switch body 120 may further include a hook member 122 , and one end of the pull cord 160 is fixed to the hook member 122 . For example, the hook member 122 can be a pull-ear structure as shown in FIG. 6 , and the pull cord 160 can pass through (or wrap around, bind, etc.) the hook member 122 to be fixed on the switch body 120 . The pull cord fixed on one side of the switch body 120 through the hook member 122 can be wound around the other side of the switch body 120 and fixed on the cover body 130. In some embodiments, the switch body 120 is opposite to the hook. The other side of the location where the piece 122 is disposed may have a steering guide structure 170 to help ensure that the pull cord 160 wraps around to the other side of the switch body 120 and locates the turning point of the pull cord 160 . In this embodiment, the steering guide structure 170 can be any structure through which the pull cord 160 can pass, and the pull cord 160 can slide freely in the steering guide structure 170 . Under such a configuration, when the operator wants to restart the device, the operator only needs to continue to press the cover 130 in the open position along the rotation direction R1 to rotate the cover 130 to the restarting position, and then the operator can use the pull cord The pulling force of 160 rotates (pulls) the switch body 120 from the emergency stop position along the rotation direction R2 to the normal operation position.

Referring to FIGS. 7 and 8 , further, in some embodiments, the connecting member 140 may include a fixed end 142 , a pivoting end 144 and an arc-shaped guiding portion 146 that are connected to each other. The fixed end 142 is fixed to the cover body 130 , and the pivotal end 144 is pivotally connected to the housing portion 112 , so that the connecting member 140 can pivot relative to the housing 110 . The arc guide portion 146 is connected between the fixed end 142 and the pivot end 144 and passes through the opening of the housing portion 112 to drive the fixed end 142 to rotate out of the housing portion 112 in an arc.

In some embodiments, the emergency switch module 100 a further includes a positioning member 180 , wherein one end of the positioning member 180 is fixed to the pivot member 150 , and the other end of the positioning member 180 is supported against the arc guide of the connecting member 140 . Section 146. In this way, when the connecting member 140 rotates along the rotation direction R1 , the positioning member 180 does not rotate along with it, but bears against the arc-shaped guide portion 146 and slides relatively with the arc-shaped guide portion 146 as the arc-shaped guide portion 146 rotates. Moreover, as shown in FIG. 6 , the positioning member 180 may include positioning protrusions 182, and the arc-shaped guide portion 146 may correspondingly include positioning holes 148 and 149. In this configuration, when the connecting member 140 rotates along the rotation direction R1 to the fixed point (for example, In the opening position, the restarting position and/or the closing position), the positioning protrusions 182 of the positioning member 180 can be engaged with the positioning holes 148 and 149 of the arc-shaped guide portion 146, so that the connecting member 140 can be temporarily positioned at this fixed point (eg open position, restart position and/or closed position) and stop continuing to rotate. For example, when the operator rotates the cover body 130 to the open position, the positioning protrusions 182 are engaged with the positioning holes 149 of the arc guide portion 146 to temporarily fix the cover body 130 at the open position. When the operator rotates the cover body 130 to the restart position, the positioning bumps 182 are engaged with the positioning holes 148 of the arc guide portion 146 to temporarily fix the cover body 130 at the restart position. It should be understood that the positioning protrusion 182 and the positioning holes 148 and 149 are in a reversible engaging relationship, that is to say, the engaging relationship can be released by, for example, additional force by the operator, so that the connecting member 140 can be moved along the Rotation direction R1 rotates.

To sum up, the emergency switch module of the present invention may include a cover, which is pivotally connected to the casing through the connecting member, so as to cover or expose the switch body by rotating relative to the casing. Under such a configuration, when an emergency occurs, the operator can immediately press the cover to drive the switch body to move to the emergency stop position, so as to quickly stop the operation of the device. In addition, when the operator wants to restart the device, he can easily open the cover to the open position to expose the switch body and restore the switch body to the normal operating position to make the device operate again.

In this configuration, the switch body is covered with a cover in a normal state, which can prevent dust from running into the casing, and can also make the device applying the emergency switch module have a simple appearance. Moreover, since the cover body is pivotally connected to the housing through the connecting piece, the operator can easily open the cover body when restarting the device, and can avoid the loss of the cover body due to opening the cover.

In addition, in some embodiments, the emergency switch module can achieve the effect of restarting the device through the action of opening the cover. That is to say, when the cover is rotated to the open position, the operator can manually reset the switch body to the normal operating position, or the operator can continue to rotate the cover to the reset position, so as to operate through a mechanism such as a pull cord to reset the switch body to the normal operating position. Automatically reset the switch body to the normal operating position. Therefore, the emergency switch module of the present invention can effectively simplify the operation of the emergency switch.

10: Device 100, 100a: Emergency switch module 110: Shell 112: Shell part 114: Switch accommodating slot 120: switch body 122: hook pieces 130: Cover 132: Pressing part 134: Drive Department 140: Connector 142: Fixed end 144:Pivot end 146: Arc guide 148, 149: Positioning holes 150:Pivoting Pieces 160: drawstring 170: Steering guide structure 180: Positioning pieces 182: Positioning bump R1, R2: direction of rotation

1 is a schematic diagram of a cover of an emergency switch module in a closed position according to an embodiment of the present invention. 2 is a schematic diagram of a cover of an emergency switch module in an open position according to an embodiment of the present invention. 3 is a schematic cross-sectional view of a cover of an emergency switch module in a closed position according to an embodiment of the present invention. 4 is a schematic cross-sectional view of a cover of an emergency switch module in an open position according to an embodiment of the present invention. 5 is a schematic diagram of a cover of an emergency switch module in an open position according to another embodiment of the present invention. FIG. 6 is an exploded schematic view of some components of the emergency switch module of FIG. 5 . FIG. 7 is a schematic cross-sectional view of the cover of the emergency switch module of FIG. 5 in a closed position. FIG. 8 is a schematic cross-sectional view of the cover of the emergency switch module of FIG. 5 in a restarting position.

10: Device

100: Emergency switch module

110: Shell

112: Shell part

114: Switch accommodating slot

120: switch body

130: Cover

140: Connector

Claims (8)

An emergency switch module, comprising: a casing, including a casing part and a switch accommodating groove inwardly recessed in the casing part; a switch body embedded in the switch accommodating groove and moved to a normal operating position; between the emergency stop positions; a cover selectively covers the switch body, and includes a pressing portion corresponding to the switch body and a driving portion protruding from the inner surface of the pressing portion, when the pressing portion is pressed , driving the driving part to move the switch body from the normal operation position to the emergency stop position; and a connecting piece, connecting the cover body and pivoting on the outer shell part, so as to drive the cover body relative to the surrounding The housing is rotated to selectively cover the switch body, wherein the connecting member includes a fixed end fixed to the cover body, a pivot end pivoted to the housing portion, and an arc guide portion connected to the fixed end Between the end and the pivot end, the arc guide portion passes through the opening of the housing portion to drive the fixed end to rotate out of the housing portion in an arc shape. The emergency switch module according to claim 1, wherein the pressing portion comprises an elastic film. The emergency switch module according to claim 1, wherein the cover body is rotated relative to the casing through the connecting member to cover the closed position of the switch body, to expose the open position of the switch body, and to cover the switch body. The switch body is reset to the restart position of the normal operating position. The emergency switch module of claim 3, wherein the open position is between the closed position and the restart position. The emergency switch module according to claim 4, further comprising: a pull rope, the opposite ends of which are respectively fixed on the switch body and the cover body, when the cover body rotates from the open position to the restart position When pulling the switch body, the switch body is correspondingly rotated to the normal operating position. The emergency switch module according to claim 5, wherein the switch body further comprises a hook member, and one end of the pull rope is fixed to the hook member. The emergency switch module according to claim 1, further comprising a positioning member, one end of which is fixed on the pivot end, and the other end is supported on the arc-shaped guide portion and includes a positioning bump, when the connecting member When rotated to a fixed point, the positioning convex point is engaged with the positioning hole of the arc-shaped guide portion. The emergency switch module of claim 7, wherein the cover is configured to rotate relative to the housing to a reset position to reset the switch body to the normal operating position, when the cover is opposite to all When the housing rotates to the restarting position, the positioning protrusion is engaged with the positioning hole of the arc-shaped guide portion.

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