CN211555746U - Push button locking device - Google Patents

Abstract

The utility model provides a button blocking device, include: the bottom shell is arranged on the equipment panel around the button; the upper cover is movably connected with the bottom shell and forms an accommodating cavity which is used for surrounding the button and can be opened and closed with the bottom shell, and one side of the upper cover is provided with a locking position; a latch member rotatably connected to the bottom case, the latch member having a latched position and an unlatched position; the locking pin is movably arranged in the bottom shell and can extend into or withdraw from a rotating path of the locking piece so as to lock or unlock the locking piece at the locking position; the lock cylinder is rotatably arranged on the bottom shell, and the driving end of the lock cylinder is in driving connection with the lock pin and can drive the lock pin to move between positions extending into or withdrawing from the rotating path of the locking piece. The utility model provides an emergency stop button blocking device among the prior art use inconvenient problem.

Description

Push button locking device

Technical Field

The utility model relates to a tool to lock technical field particularly, relates to a button blocking device.

Background

In order to cope with an emergency situation, a mechanical device is generally provided with an emergency stop button. When the operator finds that the equipment is abnormally operated, the emergency stop button is conveniently and quickly pressed to stop the equipment, so that the equipment is prevented from being damaged or personal and property losses are avoided. When an operator presses the emergency stop button to enable the equipment to be in a shutdown maintenance state, a maintainer carries out inspection maintenance operation on the equipment, and then the fault is eliminated, but when the maintainer leaves the emergency stop button area, the emergency stop button state cannot be monitored, and therefore potential safety hazards are caused easily.

The form that adopts shutting annex cooperation padlock mostly locks the management and control to the scram button in the market, has solved the safe shutting of scram switch to a certain extent, but still has complex operation, and the cost is higher, and the external dimension is great, installs and probably influence the operation in the restricted position of structure, and the padlock easily loses and causes and use inconvenient scheduling problem.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a button locking device to solve the problem of inconvenience in use of the emergency stop button locking device in the prior art.

In order to achieve the above object, the present invention provides a button locking device, including: the bottom shell is arranged on the equipment panel around the button; the upper cover is movably connected with the bottom shell and forms an accommodating cavity which is used for surrounding the button and can be opened and closed with the bottom shell, and one side of the upper cover is provided with a locking position; the locking piece is rotatably connected with the bottom shell and has a locking position and an unlocking position, when the locking piece is located at the locking position, the locking end of the locking piece rotates to the movement path of the locking position and blocks the opening of the upper cover and the bottom shell, and when the locking piece is located at the unlocking position, the locking end of the locking piece exits the movement path of the locking position, and the upper cover can be rotatably opened relative to the bottom shell; the locking pin is movably arranged in the bottom shell and can extend into or withdraw from a rotating path of the locking piece so as to lock or unlock the locking piece at the locking position; the lock cylinder is rotatably arranged on the bottom shell, and the driving end of the lock cylinder is in driving connection with the lock pin and can drive the lock pin to move between positions extending into or withdrawing from the rotating path of the locking piece.

Further, the locking piece is provided with a U-shaped structure, one end of the U-shaped structure serves as a locking end, the locking position can stretch into the U-shaped structure from the opening end of the U-shaped structure, the U-shaped structure is further provided with a notch, and the locking pin stretches into the notch and blocks the U-shaped structure from rotating so as to lock the upper cover at a position closed with the bottom shell.

Further, the axis of rotation of the latch is perpendicular to the surface of the U-shaped structure.

Further, the notch is located at the bottom of the outer side of the U-shaped structure, and when the locking piece is located at the unlocking position, the side face of the locking piece is abutted to the side wall of the bottom shell so as to control the rotating range of the locking piece.

Further, the U-shaped structure is provided with a non-locking end, when the locking piece is located at the unlocking position, the non-locking end extends into a rotating path of the locking position, and when the upper cover is closed with the bottom shell again, the locking position presses the non-locking end and drives the locking piece to rotate to the locking position.

Further, button blocking device still includes the shutting piece that resets, and the both ends of shutting piece that resets respectively with shutting and drain pan butt to for the shutting provides the reset force who rotates to the unblock position.

Furthermore, the button locking device also comprises a lock pin resetting piece, wherein two ends of the lock pin resetting piece are respectively abutted with the lock pin and the bottom shell, and provide resetting force stretching into the locking piece for the lock pin.

Furthermore, the button locking device also comprises a switching block, the switching block is connected with the driving end of the lock cylinder and synchronously rotates with the driving end of the lock cylinder, the lock pin is provided with a driving groove, the switching block is provided with a non-circular driving part, and the driving part extends into the driving groove and extrudes the inner wall of the driving groove so as to drive the lock pin to move.

Furthermore, the inner wall of the bottom shell is provided with a limiting ring groove along the rotating circumference of the switching block, the switching block is provided with a limiting bulge, and the limiting bulge extends into the limiting ring groove and moves in the limiting ring groove.

Furthermore, the button locking device also comprises a wireless code sheet which is sleeved at the unlocking hole of the lock cylinder and can be read by a computer key to authenticate the identity of the lock cylinder.

Use the technical scheme of the utility model, through the latch, cooperation between lockpin and the lock core, during the shutting, because the lockpin stretches into the latch, therefore the latch can't rotate, the lockpin locks the position of latch in the shutting position, the latch with the upper cover locking with drain pan closed position, thereby make the upper cover can't open, the emergency button that seals holding the intracavity also can't be operated just, when the upper cover is opened to needs, through computer key unblock lock core, the lock core drives the lockpin motion, thereby the lockpin withdraws from the latch and no longer hinders the rotation of latch, the latch can switch to the unblock position, thereby remove the locking to the upper cover, the upper cover can normally open. Above-mentioned mode of setting up can carry out the management and control to the operation of scram button on the one hand, avoids unconscious operating personnel to reset scram button, opening equipment and causes harm to the maintainer, causes the condition of mechanical damage accident, and on the other hand whole integrated level is high, compact structure, and it is convenient to use easy operation, and safe and reliable need not additionally to dispose the padlock, also does not receive the installation condition restriction.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 shows an exploded view of the push button lockout device of the present invention;

FIG. 2 shows a schematic view of the push button latch of FIG. 1 in the latched configuration;

fig. 3 shows a schematic view of the push-button locking device of fig. 1 in an unlocked state.

Wherein the figures include the following reference numerals:

10. a bottom case; 11. an accommodating chamber; 20. an upper cover; 21. a lock position; 30. a latch; 31. a locking end; 32. a non-locking end; 33. a notch; 40. a lock pin; 41. a drive slot; 50. a lock cylinder; 60. a latching reset member; 70. a latch reset member; 80. a transfer block; 81. a drive section; 82. a limiting bulge; 90. wireless chip.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

In order to solve the problem that the emergency stop button locking device in the prior art is inconvenient to use, the utility model provides a button locking device.

A button latch apparatus as shown in fig. 1 to 3 includes a base case 10, an upper cover 20, a latch member 30, a latch pin 40, and a key cylinder 50, the base case 10 being disposed on a device panel around a button; the upper cover 20 is movably connected with the bottom shell 10, and forms an accommodating cavity 11 which is used for surrounding the button and can be opened and closed with the bottom shell 10, and one side of the upper cover 20 is provided with a locking position 21; the locking piece 30 is rotatably connected with the bottom case 10, the locking piece 30 has a locking position and an unlocking position, when the locking piece 30 is located at the locking position, the locking end 31 of the locking piece 30 rotates to the movement path of the locking position 21 and blocks the opening of the upper cover 20 and the bottom case 10, when the locking piece 30 is located at the unlocking position, the locking end 31 of the locking piece 30 exits the movement path of the locking position 21, and the upper cover 20 can rotate to open relative to the bottom case 10; the lock pin 40 is movably disposed in the bottom case 10 and can extend into or withdraw from a rotation path of the latch member 30 to lock or unlock the latch member 30 at or from the latched position; the lock cylinder 50 is rotatably disposed on the base 10, and the driving end of the lock cylinder 50 is drivingly connected to the latch 40 and is capable of moving the latch 40 between positions extending into or out of the rotational path of the latch 30.

In the present embodiment, through the cooperation among the locking member 30, the latch 40 and the key cylinder 50, when locked, as shown in fig. 2, since the latch 40 extends into the locking member 30, the locking member 30 cannot rotate, the latch 40 locks the position of the locking member 30 at the locking position, and the locking member 30 locks the upper cover 20 at the position closed with the bottom case 10, so that the upper cover 20 cannot be opened, and the emergency button enclosed in the accommodating chamber 11 cannot be operated; when the upper cover 20 needs to be opened, the lock cylinder 50 is unlocked through a computer key, the lock cylinder 50 drives the lock pin 40 to move, the lock pin 40 exits the locking member 30 so as not to block the rotation of the locking member 30, as shown in fig. 3, the locking member 30 can be switched to the unlocking position, so that the locking of the upper cover 20 is released, and the upper cover 20 can be normally opened. Above-mentioned mode of setting up can carry out the management and control to the operation of scram button on the one hand, avoids unconscious operating personnel to reset scram button, opening equipment and causes harm to the maintainer, causes the condition of mechanical damage accident, and on the other hand whole integrated level is high, compact structure, and it is convenient to use easy operation, and safe and reliable need not additionally to dispose the padlock, also does not receive the installation condition restriction.

In the embodiment, the button locking device is applied to the emergency stop button as an example, the bottom case 10 is adhered to the equipment panel in an adhesive manner, so that the equipment panel does not need to be damaged, and the installation is convenient. Of course, the bottom case 10 may also be mounted on the panel of the device by using screws, and the bottom case is firmly fixed and is not easy to fall off. The button locking device can be applied to other types of buttons besides the emergency stop button, and accordingly, parameters such as the shape and the size of the accommodating cavity 11 defined by the upper cover 20 and the bottom case 10 can be set correspondingly according to specific parameters of the button.

In the present embodiment, the locking member 30 has a U-shaped structure, one end of the U-shaped structure is used as the locking end 31, the locking position 21 is a convex column arranged on the side surface of the upper cover 20, and the convex column can extend into the U-shaped structure from the open end of the U-shaped structure, when the locking member 30 is located at the locking position, the locking position 21 extends into the U-shaped structure and is stopped by the locking end 31 of the U-shaped structure, so that the locking member cannot move. The rotation of the locking member 30 is controlled by the movement of the locking pin 40, the locking pin 40 of the present embodiment is slidably disposed in the bottom case 10, the outer side surface of the U-shaped structure is provided with a notch 33, and the sliding of the locking pin 40 can extend into the notch 33 and block the U-shaped structure from rotating, so as to lock the upper cover 20 at the position closed with the bottom case 10. The sliding of the lock pin 40 is controlled by the lock cylinder 50, the driving end of the lock cylinder 50 is directly or indirectly matched with the lock pin 40, and the driving end is driven by a computer key to rotate so as to drive the lock pin 40 to move, so that the control of the lock pin 40 is realized.

The locking member 30 of this embodiment is a block member formed of a U-shaped structure having a certain thickness, and the rotation axis thereof is perpendicular to the surface of the U-shaped structure, i.e., parallel to the thickness direction thereof, and is preferably located at a position where the U-shaped structure is bent, so that when the locking member 30 is rotated, one end of the locking member 30 is extended into or withdrawn from the movement path of the locking position 21 during the rotation. And when the locking member 30 is in the locking position, the opening of the U-shaped structure faces the upper cover 20, so that the locking position 21 is stopped by the end of the U-shaped structure, and when the locking member 30 is in the unlocking position, the locking position 21 is released by rotating the locking member 30 by a certain angle.

The upper cover 20 and the bottom case 10 of the present embodiment are also rotatably connected by the rotating shaft, and the locking position 21 is located on the other side of the upper cover 20 opposite to the rotating shaft, and the rotating axis of the locking member 30 is also located on the side, that is, the rotating axis of the locking member 30 and the rotating axis of the upper cover 20 are parallel and located on the two opposite sides of the upper cover 20.

In the present embodiment, the notch 33 is located at the bottom of the outside of the U-shaped structure, where the bottom is the bend of the U-shaped structure, and a stop surface located on the rotation path of the locking member 30 is formed on the side wall of the bottom case 10, and depending on the states of the locking pin 40 and the locking member 30, the locking member 30 can be switched between the engagement of the notch 33 with the locking pin 40 or the engagement of the side surface of the locking member 30 with the stop surface, specifically, when the locking member 30 is located at the locking position, the locking pin 40 is aligned with the notch 33, and the locking pin 40 can extend into the notch 33 to abut against the inner wall of the notch 33, so as to lock the locking member 30; when the locking member 30 rotates to the unlocking position after unlocking, the notch 33 rotates over the locking pin 40 because the locking pin 40 no longer stops the locking member 30, and the side surface of the locking member 30 abuts against the stop surface of the bottom case 10, so that the rotation range of the locking member 30 can be controlled, the locking member 30 rotates in a certain range, and the condition that the locking member cannot be reset due to over-rotation is avoided.

In this embodiment, the other of the two free ends of the U-shaped structure is a non-locking end 32 except for the locking end 31, and the non-locking end 32 is used for achieving the effect that the reset can be performed without using a computer key. Specifically, when the device is unlocked, the locking member 30 rotates to the unlocked position, the locking end 31 already exits the movement path of the locking position 21 and does not affect the locking position 21, the non-locking end 32 extends into the rotation path of the locking position 21, when the upper cover 20 rotates reversely and the bottom case 10 is closed, the locking position 21 passes over the locking end 31 and abuts against the non-locking end 32, and the locking position 21 presses the non-locking end 32 with the application of force of an operator, so that the locking member 30 rotates reversely as a whole until the locking member 30 rotates back to the locking position, and the lock pin 40 extends into the notch 33 to lock the locking member 30 at the locking position, and the resetting is completed. Through the arrangement mode, locking can be realized by manually pressing the upper cover 20 during resetting, a computer key is not needed, and the operation is convenient.

In this embodiment, the button locking device further includes a locking reset member 60, the locking reset member 60 is a torsion spring, which is sleeved on the rotating shaft of the locking member 30, and two ends of the torsion spring are respectively abutted against the locking member 30 and the bottom case 10, so as to provide a reset force for the locking member 30 to rotate to the unlocking position, when the lock pin 40 exits the notch 33, the locking member 30 can automatically rotate to the unlocking position under the effect of the locking reset member 60, and when the upper cover 20 is pressed to reset, the rotation of the locking member 30 can twist the locking reset member 60, so that the locking reset member 60 stores a certain twisting force.

Similarly, the push button locking device further includes a locking pin resetting member 70, the locking pin resetting member 70 is a spring, two ends of the spring abut against the locking pin 40 and the bottom case 10 respectively, and provides a resetting force for the locking pin 40 to extend into the locking member 30, when the locking member 30 is not rotated to the locking position, the locking pin 40 has a movement tendency to extend into the notch 33 under the action of the locking pin resetting member 70 so as to abut against an outer wall of the locking member 30, and when the locking member 30 is rotated to the locking position again, the locking pin 40 can automatically extend into the notch 33 under the action of the locking pin resetting member 70, so that automatic locking is realized.

Optionally, the button locking device further includes a transfer block 80, the transfer block 80 is connected to the driving end of the lock cylinder 50 and rotates synchronously with the driving end of the lock cylinder 50, the lock pin 40 has a square driving groove 41, the transfer block 80 has a non-circular driving portion 81, the driving portion 81 of the embodiment is configured as a square block, the driving portion 81 extends into the driving groove 41, when the lock cylinder 50 is unlocked by a computer key, the driving end drives the transfer block 80 to rotate, and the driving portion 81 presses the inner wall of the driving groove 41, so as to drive the lock pin 40 to exit the locking member 30.

Optionally, a limit ring groove is formed in the inner wall of the bottom case 10 along the circumferential direction of the rotation of the adapting block 80, the adapting block 80 has a limit protrusion 82, and the limit protrusion 82 extends into the limit ring groove and moves in the limit ring groove, so that the rotation range of the adapting block 80 and the sliding range of the lock pin 40 are both controlled.

In this embodiment, the button locking device further includes a wireless code sheet 90, and the wireless code sheet 90 is sleeved at the unlocking hole of the lock cylinder 50 and can be read by a computer key to perform identity authentication on the lock cylinder 50.

Preferably, the upper cover 20 of the present embodiment is a transparent cover made of a transparent material, and an operator can observe the actual state of the emergency stop button through the upper cover 20. And still can set up the torsional spring between upper cover 20 and the drain pan 10, after the unblock, upper cover 20 can be opened by automatic bullet under the effect of torsional spring elasticity to open and hold chamber 11, can simplify operating personnel's operation step, easy operation is convenient.

It should be noted that, a plurality in the above embodiments means at least two.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

1. the problem that the emergency stop button locking device in the prior art is inconvenient to use is solved;

2. the operation of the emergency stop button is controlled, so that the condition that the maintenance personnel are harmed and mechanical damage accidents are caused due to the fact that the unknown operation personnel reset the emergency stop button and start equipment is avoided;

3. the integrated circuit has the advantages of high integral degree, compact structure, simple and convenient use and operation, safety and reliability, no need of additionally arranging a padlock and no limitation of installation conditions;

4. the locking can be realized by manually pressing the upper cover, a key is not needed, and the operation is convenient.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A push button latch, comprising:

a bottom case (10), the bottom case (10) being disposed on the device panel around the button;

the upper cover (20) is movably connected with the bottom shell (10), an accommodating cavity (11) which is used for enclosing the button and can be opened and closed is formed by the upper cover (20) and the bottom shell (10), and one side of the upper cover (20) is provided with a locking position (21);

a locking member (30), the locking member (30) being rotatably connected to the bottom case (10), the locking member (30) having a locked position and an unlocked position, when the locking member (30) is in the locked position, a locking end (31) of the locking member (30) being rotated to a movement path of the locking position (21) and obstructing the opening of the upper cover (20) and the bottom case (10), when the locking member (30) is in the unlocked position, the locking end (31) of the locking member (30) being withdrawn from the movement path of the locking position (21), the upper cover (20) being rotatably openable relative to the bottom case (10);

a latch (40), the latch (40) being movably disposed in the bottom case (10) and capable of extending into or exiting from a rotation path of the latch (30) to lock or unlock the latch (30) in or from the latched position;

the lock cylinder (50) is rotatably arranged on the bottom shell (10), the driving end of the lock cylinder (50) is in driving connection with the lock pin (40) and can drive the lock pin (40) to move between positions extending into or exiting from the rotating path of the locking piece (30).

2. Push button latch according to claim 1, characterized in that the latch (30) has a U-shaped structure with one end as the latch end (31), into which the locking position (21) can protrude from the open end of the U-shaped structure, and a notch (33), into which the locking pin (40) protrudes and blocks the U-shaped structure from rotating in order to lock the upper lid (20) in a position closed with the bottom shell (10).

3. A push button latch according to claim 2, characterized in that the axis of rotation of the latch (30) is perpendicular to the surface of the U-shaped structure.

4. A push button latch according to claim 2, wherein the notch (33) is located at the outer bottom of the U-shaped structure and the side of the latch (30) abuts the side wall of the base (10) when the latch (30) is in the unlocked position to control the range of rotation of the latch (30).

5. Push button latch according to claim 2, characterized in that the U-shaped structure also has a non-latching end (32), which non-latching end (32) projects into the rotational path of the locking position (21) when the latch (30) is in the unlocked position, the locking position (21) pressing against the non-latching end (32) and bringing about the rotation of the latch (30) into the latched position when the upper cover (20) is closed again with the bottom shell (10).

6. The push button latch according to claim 1, further comprising a latch reset member (60), both ends of the latch reset member (60) abutting against the latch member (30) and the bottom case (10), respectively, and providing a reset force for the latch member (30) to rotate to the unlocked position.

7. The push button latch of claim 1, further comprising a lock pin reset member (70), both ends of the lock pin reset member (70) abutting the lock pin (40) and the bottom case (10), respectively, and providing a reset force for the lock pin (40) to protrude into the latch member (30).

8. The push button latch according to claim 1, further comprising a transfer block (80), wherein the transfer block (80) is connected to the driving end of the key cylinder (50) and rotates synchronously therewith, the lock pin (40) has a driving groove (41), the transfer block (80) has a non-circular driving portion (81), and the driving portion (81) protrudes into the driving groove (41) and presses the inner wall of the driving groove (41) to drive the lock pin (40) to move.

9. The push button lock device according to claim 8, wherein the inner wall of the bottom case (10) is provided with a limiting ring groove along the circumferential direction of rotation of the transfer block (80), the transfer block (80) is provided with a limiting protrusion (82), and the limiting protrusion (82) extends into the limiting ring groove and moves in the limiting ring groove.

10. The push button lock device according to claim 1, further comprising a wireless code chip (90), wherein the wireless code chip (90) is sleeved at the unlocking hole of the lock cylinder (50) and can be read by a computer key to authenticate the identity of the lock cylinder (50).

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