CN111341575B - Error touch preventing device for electric button - Google Patents

Abstract

The present invention relates to the technical field of electric button protection devices, and in particular to an electric button anti-mistouch device. A sleeve with coincident axes, the inner cavity of the sleeve is guided and slid in the up and down direction with a cuboid-shaped plug-in block, and a plug-in plate is arranged in the through hole below the plug-in block, and the plug-in plate is provided with The plug is fitted with a rectangular slot, the jack is perpendicular to the extending direction of the plug in the horizontal direction so as to prevent the plug from being inserted into the slot downwards, and the sleeve is rotated so that After the inserting block is plugged corresponding to the slot, the inserting block is driven down to pass through the slot so as to trigger the button located in the through hole. The invention can greatly reduce the triggering range, and has higher reliability in preventing false touches.

Description

Button anti-mistouch device

technical field

The invention relates to the technical field of electric button protection devices, in particular to an electric button anti-mistouch device.

Background technique

Buttons usually refer to buttons used to turn on or off a circuit, and are divided into normally open and normally closed according to commonly used types. Normally, the button is installed on the casing of the electrical appliance and is electrically connected to the circuit board inside the casing. In order to facilitate the pressing operation of people, the pressing end of the button often extends out of the casing, but this kind of button is easy to press at the same time. , will also form a higher risk of false touch, false touch operation will directly cause economic losses, and even threaten the safety of personnel.

The existing anti-mistouch device is usually a protective cover or a protective plate arranged outside the button. For example, the Chinese patent document with the authorized announcement number CN209232691U discloses an anti-mistouch structure of a molded case circuit breaker. The anti-mistouch structure includes Cover plate, an operation hole opened on the cover plate and protruding from the button, the surface of the cover plate located around the operation hole is provided with a protective groove, a protective plate is rotated in the protective groove, and the free end of the protective plate is set There is a self-locking component acting on the inner wall of the protective groove. The anti-mistouch structure protects the button by setting a protective plate and a self-locking component. However, after the protective plate is opened, regardless of the size of the opening, the buttons may be touched due to improper actions of objects or people.

Contents of the invention

The invention provides a push button anti-mistouch device to solve the problem of low protection reliability in the prior art.

The push button anti-mistouch device of the present invention adopts the following technical scheme:

The button anti-mistouch device includes a base plate, and the base plate is provided with a through hole extending in the up and down direction for the corresponding push button to enter. The upper side of the base plate is rotatably equipped with a rotation axis and the axis of the through hole. Overlapped sleeves, the sleeve is hollow cylindrical and a cuboid-shaped plug is installed in its inner cavity to guide and slide in the up and down direction, and a plug-in plate is arranged in the through hole below the plug-in block, and the plug-in plate There is a rectangular slot adapted to the plug, and the slot is perpendicular to the extending direction of the plug in the horizontal direction so as to prevent the plug from being inserted downward into the slot. The sleeve makes the plug correspond to the slot, and then drives the plug downward to pass through the slot so as to trigger the button located in the through hole.

The lower end of the sleeve is inserted into the through hole and is in sliding contact with the inserting plate, and the outer wall of the lower end of the sleeve is rotatably engaged with the inner wall of the through hole.

The upper end of the sleeve protrudes upwards from the upper side of the base plate and is provided with a handle for driving the sleeve to rotate.

A block for limiting the rotation range of the handle is arranged on the base plate.

The part of the sleeve inserted into the through hole is provided with a protruding ring protruding in the radial direction, and the protruding ring is rotatably engaged with the through hole.

The sleeve located on the lower side of the protruding ring is provided with a coil spring which is drivingly connected with the inner wall of the through hole and is used to drive the sleeve to return to its original position after being rotated.

The upper end of the through hole is provided with a retaining ring for preventing the protruding ring from going out of the through hole.

The insert is provided with a slider, and the inner wall of the sleeve is provided with a chute for guiding and sliding assembly with the slider up and down. off the ring.

The upper end of the plug-in block is provided with a pressing portion protruding upward from the sleeve, the upper end of the pressing portion is provided with a retaining edge, and an elastic connection is provided between the retaining edge and the upper end surface of the sleeve. And support the elastic support of the retaining edge.

The elastic supporting member is a spring.

The beneficial effects of the present invention are: the plug set in the sleeve of the present invention does not correspond to the slot on the plug board when it is in the false touch prevention state, therefore, under the isolation of the plug board, it can well prevent accidents caused by people or people. The accidental touch of the object on the insert block will trigger the button, which can completely prevent the button from being accidentally touched. When the button needs to be triggered, the operator needs to turn the sleeve to a set angle, that is, 90°, to make the insert block and the slot Correspondingly, the plug can be driven down to pass through the slot to trigger the button. Since the rotation of the sleeve must reach a specific angle to trigger the button, the trigger range is greatly reduced, and the reliability of false touch prevention is higher.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to these drawings without any creative effort.

Fig. 1 is the structural schematic diagram of the front view of the specific embodiment of the push button anti-mistouch device of the present invention;

Figure 2 is a top view corresponding to Figure 1;

Fig. 3 is the enlarged schematic diagram of partial view A in Fig. 1;

Fig. 4 is the enlarged schematic diagram of partial view B in Fig. 1;

Fig. 5 is the enlarged schematic diagram of partial view C in Fig. 1;

Fig. 6 is a front view of the assembly of the insert block, the pressing part and the retaining edge in Fig. 1;

Figure 7 is a bottom view corresponding to Figure 6;

Fig. 8 is a schematic structural diagram of the board in Fig. 1;

In the figure: 1. base plate; 2. stop ring; 3. sleeve; 31. handle; 32. protruding ring; 33. chute; 4. retaining edge; 41. pressing part; 42. spring; 43. insert block; 44, anti-off ring; 45, slide block; 5, first stopper; 51, second stopper; 6, plug-in plate; 61, slot; 7, through hole; 8, coil spring.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The embodiment of the button anti-mistouch device of the present invention, as shown in Figure 1 to Figure 8, the button anti-mistouch device includes a substrate 1, and the substrate 1 is provided with a channel extending along the up and down direction for the corresponding button to extend into. Hole 7, on the upper side of the base plate 1, a sleeve 3 whose axis of rotation coincides with the axis of the through hole 7 is rotated and installed. The sleeve 3 is hollow cylindrical and its inner cavity is guided and slid in the up and down direction. A cuboid-shaped insert is installed. 43, a plugboard 6 is provided in the through hole 7 below the plug-in block 43 and a rectangular slot 61 adapted to the plug-in block 43 is provided on the plug-in board 6, and the extension direction of the slot and the plug-in block 43 in the horizontal direction They are perpendicular to each other so as to prevent the insertion block 43 from being inserted downward into the slot 61. Turn the sleeve 3 to make the insertion block 43 correspond to the slot 61, and then drive the insertion block 43 downwards through the slot 61 to trigger the button located in the through hole 7. .

In this embodiment, the through hole 7 takes the board 6 as a boundary and presents a shape that is large up and down small. In other embodiments, the through holes may also be shaped with the same upper and lower dimensions, and the specific shape is based on actual installation requirements.

The lower end of the sleeve 3 is inserted into the through hole 7 and is in sliding contact with the board 6. The outer wall of the lower end of the sleeve 3 is rotatably matched with the inner wall of the through hole 7. The upper end of the sleeve 3 protrudes upwards from the upper side of the substrate 1 and is provided with a The handle 31 that drives the sleeve 3 to rotate, in addition, the base plate 1 is also provided with stops for limiting the rotation range of the handle 31, that is, the first stop 5 and the second stop 51, the first stop 5 and the second stop 51 together limit the 90° rotation range of the handle 31 .

In this embodiment, the part of the sleeve 3 inserted into the through hole 7 is provided with a protruding ring 32 protruding in the radial direction, and the protruding ring 32 is rotatably matched with the through hole 7. 32 upwards out of the retaining ring 2 of the through hole 7, and the sleeve 3 located on the lower side of the protruding ring 32 is provided with a coil spring 8 connected with the inner wall of the through hole 7 for driving the sleeve 3 to return to its original position after rotation.

In this embodiment, the upper end of the insert block 43 is provided with a pressing portion 41 protruding upward from the sleeve 3 , the pressing portion 41 is a cylindrical shape adapted to the through hole 7 , and the upper end of the pressing portion 41 is provided with a retaining edge 4 . Between the stop edge 4 and the upper end surface of the sleeve 3, an elastic support member for elastic connection and supporting the stop edge 4 is provided. The elastic support member is a spring 42 worn on the outside of the pressing part 41. The stop edge 4, the press part 41 and the The insert block 43 is an integrally formed assembly.

The pressing part 41 is provided with a slider 45, and the inner wall of the sleeve 3 is provided with a chute 33 that is adapted to the slider 45 and extends in the up and down direction. The slider 45 guides and slides up and down in the chute 33 to realize the slider 45 It is assembled with the inner cavity of the sleeve 3 along the guide sliding in the up-and-down direction, and the upper end of the chute 33 is provided with an anti-off ring 44 to prevent the slider 45 from coming out upwards.

In other embodiments, the upper end of the plug-in block can directly protrude upwards from the sleeve to form a pressing part; the slider can also be arranged on the plug-in block, or the plug-in block can be directly guided and slidably connected with the inner wall of the sleeve up and down; the plug-in block and the sleeve The upper and lower guiding sliding assembly can also be realized by other guiding structures, such as setting a guide rod on the upper end of the sleeve, and setting a sliding sleeve on the insert block that is compatible with the guide rod; the elastic support can be arranged between the pressing part and the inserting plate. The pressing part and the inserting plate are pressed elastically; the elastic supporting member can also be other elastic components, such as rubber rings.

In other embodiments, the lower end of the sleeve can also be rotatably assembled at the position where the upper end plate of the base plate corresponds to the through hole. On the side, the coil spring on the sleeve can be respectively connected with the upper end surface of the sleeve and the base plate and provide a restoring force for the sleeve.

In other embodiments, the shape of the insert block can also be other shapes, such as triangle, pentagram and other shapes suitable for specific needs; the rotation angle of the sleeve can also be set to any angle between 0°-360°.

During specific use, place the device at the position of the button so that the button extends into the through hole 7 from the lower end. Block 43 cannot trigger the button downwards because it does not correspond to the slot 61. Therefore, under the isolation of the plug board 6, it can be well prevented from triggering the button due to people or things touching the plug block 43 by mistake, so that the button can be completely avoided. If it is accidentally touched, when the button needs to be triggered, the operator needs to turn the sleeve 3 to the position of the second stopper 51 through the handle 31 and keep it there. The plug 43 can correspond to the slot 61 only after the sleeve 3 rotates 90°, and then That is, press the pressing part 41 downwards to make the plug 43 pass through the slot 61 and then trigger the button. After the button is triggered, the pressing on the pressing part 41 is released, and then the pressing part 41 and the plug 43 slide upward under the action of the spring 42 so that the plug The block 43 breaks away from the slot 61 upwards, thereby releasing the triggering of the electric button, and then releasing the force to maintain the position of the handle 31, and the sleeve 3 returns to rotate under the action of the coil spring 8 until the handle 31 is blocked by the first block 5, At this moment, the whole device returns to the anti-mis-touch state. Since the rotation of the sleeve 3 must reach a certain angle to press the plug 43 to trigger the button, the trigger range is greatly reduced, and the anti-mis-touch reliability is higher.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (6)

1. The push button anti-mistouch device, including a base plate, the base plate is provided with a through hole extending in the up and down direction for the corresponding push button to enter, and it is characterized in that: the upper side of the base plate is rotatably equipped with a rotation axis and A sleeve with the axes of the through holes coincident, the sleeve is hollow cylindrical and a cuboid insert is installed in the inner cavity of the sleeve to guide and slide along the up and down direction, and an insert is arranged in the through hole below the insert. and the plug-in board is provided with a rectangular slot adapted to the plug-in block, the slot and the extension direction of the plug-in block in the horizontal direction are perpendicular to each other so as to prevent the plug-in block from being inserted downward into the the slot, rotate the sleeve so that the plug corresponds to the slot, and then drive the plug down to pass through the slot so as to trigger the button in the through hole; The upper end of the plug-in block is provided with a pressing portion protruding upward from the sleeve, the upper end of the pressing portion is provided with a retaining edge, and an elastic connection is provided between the retaining edge and the upper end surface of the sleeve. And support the elastic supporting member of the retaining edge, the elastic supporting member is a spring, the pressing part is provided with a slider, and the inner wall of the sleeve is provided with a sliding block adapted to the slider and extending in the up and down direction. chute, the slider guides and slides up and down in the chute so as to realize the guide sliding assembly of the slider and the inner cavity of the sleeve along the up and down direction, and the upper end of the chute is provided to prevent the The anti-drop ring for the slider to come out upward; The lower end of the sleeve is inserted into the through hole and is in sliding contact with the inserting plate, and the outer wall of the lower end of the sleeve is rotatably engaged with the inner wall of the through hole. 2 . The device according to claim 1 , wherein the upper end of the sleeve protrudes upwards from the upper side of the base plate and a handle is provided for driving the sleeve to rotate. 3 . 3. The electric button mis-touch prevention device according to claim 2, wherein a stopper for limiting the rotation range of the handle is provided on the base plate. 4. The electric button mis-touch prevention device according to any one of claims 1-3, characterized in that: the part of the sleeve inserted into the through hole is provided with a protruding ring protruding in the radial direction, and the protruding ring is The ring is in rotational engagement with said through hole. 5. The device according to claim 4, characterized in that: the sleeve located on the lower side of the protruding ring is provided with a driving connection with the inner wall of the through hole for driving the sleeve. A coil spring that returns to its original position after turning. 6 . The device according to claim 5 , wherein the upper end of the through hole is provided with a retaining ring for preventing the protruding ring from going out of the through hole. 7 .