CN211350413U

CN211350413U - Self-generating switch

Info

Publication number: CN211350413U
Application number: CN202020122888.7U
Authority: CN
Inventors: 程小科
Original assignee: Wuhan Linptech Co Ltd
Current assignee: Wuhan Linptech Co Ltd
Priority date: 2020-01-18
Filing date: 2020-01-18
Publication date: 2020-08-25
Anticipated expiration: 2030-01-18

Abstract

The utility model provides a from electricity generation switch, include: the key comprises a bottom shell, a circuit board, an elastic component, a transmission component and a key body, wherein the circuit board is arranged in the bottom shell and is electrically connected with a switching device and a generator, and the bottom shell is directly or indirectly connected with the elastic component; the switch device is electrically connected with the processing module; the key body is positioned on one side of the circuit board, which is far away from the bottom surface of the bottom shell, and can swing by taking a rotating shaft part supported on the key body as a fulcrum; the rotating shaft part is arranged on the bottom shell or a middle shell connected with the bottom shell. In the mode, the swing based on the fulcrum replaces the rotary motion based on the rotating shaft and the shaft hole, and the swing type motor has the positive effects of simpler structure and convenience in processing.

Description

Self-generating switch

Technical Field

The utility model relates to a switch field especially relates to a from electricity generation switch.

Background

The installation of traditional wall switch needs the buried wiring, and the power consumptive wire rod of consuming time and manpower cost is with higher risk when being used for moist environment such as bathroom, open air moreover. With the development of the technology, switch products using batteries gradually appear in the market, however, the pollution of the waste batteries to the environment is inevitable, and the batteries are replaced regularly to bring inconvenience to users.

In order to avoid the defects of the wall switch and the battery switch, in the related art, a self-generating switch is provided, is a passive and wireless switch, and cannot cause the problems of wiring, battery pollution and the like. However, in the conventional self-generating switch, the key usually rotates through a rotating shaft, however, the rotating shaft and the shaft hole are formed in the rotating shaft manner when the key and the housing are molded, and if the key is not circular, the rotation is not facilitated.

Therefore, the rotation of the existing rotating shaft mode is limited by process capability, the requirement on process precision is high, and if the process capability is insufficient, the situation that the key of the self-generating switch cannot rotate is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a from power generation switch to if the solution is not enough, then easily cause the unable problem that realizes the pivoted situation of button from power generation switch.

According to the utility model discloses an aspect provides a from electricity generation switch, include: the key comprises a bottom shell, a circuit board, an elastic component, a transmission component and a key body, wherein the circuit board is arranged in the bottom shell and is electrically connected with a switching device and a generator, and the bottom shell is directly or indirectly connected with the elastic component; the switch device is electrically connected with the processing module; the key body is positioned on one side of the circuit board, which is deviated from the bottom surface of the bottom shell,

when any one of the key bodies is pressed down, the transmission part can be directly or indirectly pushed to change from a first position state to a second position state, and when the transmission part changes from the first position state to the second position state, the switch device can be directly or indirectly triggered by the key body;

the elastic component can directly or indirectly provide the transmission component with a reset acting force for resetting the transmission component from the second position state to the first position state so as to reset the transmission component from the second position state to the first position state; the key body can change the position state along with the transmission component; when the transmission component changes from the first position state to the second position state and/or changes from the second position state to the first position state, the generator can be triggered by the transmission component to generate electricity;

the key body can swing by taking a rotating shaft part supported on the key body as a fulcrum; the rotating shaft part is arranged on the bottom shell or a middle shell connected with the bottom shell.

Optionally, the middle shell covers the bottom shell to form an internal space, the circuit board and the generator are both located in the internal space, and the key body is located on one side of the middle shell, which is away from the internal space;

a rotating shaft part is arranged on one side of the middle shell, which is connected with the key body, and the key body can swing by taking the rotating shaft part as a fulcrum; the button body can swing when being pressed.

Optionally, the rotation shaft portion is disposed at an edge position of a non-pressing end of the middle shell or the bottom shell, and a first buckle is disposed on an outer side of the rotation shaft portion, which is far away from the pressing end; a second buckle is arranged at the non-pressing end of the key body; the first buckle is connected to the middle shell or the bottom shell;

the first buckle is in butt joint with the second buckle so as to limit the non-pressing end of the key body to move towards the direction far away from the bottom shell.

Optionally, a third buckle is arranged on one side of the pressing end of the middle shell or the bottom shell; a fourth buckle is arranged at the pressing end of the key body; the third buckle is connected to the middle shell or the bottom shell;

the third buckle is in butt joint with the fourth buckle so as to limit the pressing end of the key body to move towards the direction far away from the bottom shell.

Optionally, the generator has a power generation paddle for being triggered by the transmission component; the power generation shifting sheet of the generator is positioned on one side of the generator, which is close to the non-pressing end of the key body;

the first end of the transmission component is used for being directly or indirectly pressed down by the key body, and the second end of the transmission component is used for triggering the power generation poking sheet when the first end of the transmission component is pressed down and/or is reset under the driving of the reset acting force, so that the power generator generates power.

Optionally, a supporting part is arranged on the bottom shell,

the supporting part penetrates through the circuit board and extends to one side of the circuit board, which is far away from the bottom surface of the bottom shell, and the supporting part is supported on the transmission component;

the transmission member is capable of swinging about the support portion as a fulcrum and changing between the first position state and the second position state by the swinging.

Optionally, the bottom shell is further provided with a first movable limiting rib, and the transmission part is provided with a movable limiting boss;

the first movement limiting rib penetrates through the circuit board and extends to one side, away from the bottom surface of the bottom shell, of the circuit board, the first movement limiting rib can limit the movement limiting boss and the transmission component to move along a first reference direction and/or a second reference direction, the first reference direction is the direction from the pressing end to the non-pressing end of the key body, and the second reference direction is the direction from the non-pressing end to the pressing end of the key body.

Optionally, a base is disposed on the bottom case, the base is provided with a first shaft portion, the base penetrates through the circuit board and extends to a side of the circuit board, which is away from the bottom surface of the bottom case, and the first shaft portion is located at the side of the circuit board, which is away from the bottom surface of the bottom case; the transmission component is connected to the first shaft part through a second shaft part;

the transmission component can rotate around the axes of the first shaft part and the second shaft part and is changed between the first position state and the second position state through the rotation;

if the first shaft part is a shaft hole, the second shaft part is a rotating shaft;

if the first shaft part is a rotating shaft, the second shaft part is a shaft hole.

Optionally, a first upper limiting buckle is further disposed on the bottom case, the first upper limiting buckle penetrates through the circuit board and extends to one side of the circuit board, which is away from the bottom surface of the bottom case, and the first upper limiting buckle is used for limiting the transmission component to move in a direction away from the circuit board.

Optionally, the generator has a power generation paddle for being triggered by the transmission component; the power generation shifting sheet of the generator is positioned on one side of the generator, which is close to the pressing end of the key body;

the middle part or the part close to the first end of the transmission part is used for being directly or indirectly pressed down by the key body, and the first end of the transmission part is used for triggering the power generation plectrum when the transmission part is pressed down and/or is driven by the reset acting force to reset so as to enable the power generator to generate power.

Optionally, a second upper limit buckle and a support are disposed on the bottom case at a position close to the pressing end, the second upper limit buckle penetrates through the circuit board and extends to a side of the circuit board away from the bottom surface of the bottom case, the transmission component is inserted into the second upper limit buckle, the support is supported on the transmission component, and the transmission component can pivot around the support as a fulcrum and change between the first position state and the second position state through the pivoting.

Optionally, a second movable limiting rib is further arranged on the bottom shell;

the second moving limiting rib penetrates through the circuit board and extends to one side, away from the bottom surface of the bottom shell, of the circuit board, the second moving limiting rib can limit the transmission component to move along a first reference direction and/or a second reference direction, the first reference direction is the direction from the pressing end to the non-pressing end of the key body, and the second reference direction is the direction from the non-pressing end to the pressing end of the key body.

Optionally, the elastic component and the transmission component are both connected to the power generation shifting piece, and the elastic component can directly or indirectly push the power generation shifting piece to reset and indirectly enable the transmission component to reset.

Optionally, a third movable limiting rib is arranged on the bottom case, the third movable limiting rib is used for limiting the transmission component to move along a third reference direction, and the third reference direction is perpendicular to the direction from the pressing end to the non-pressing end.

Optionally, if the number of the key bodies is at least two, the transmission part is butted with all the key bodies, so that: when any at least one key body is pressed down, the transmission part can be pushed to change the position state.

Optionally, the elastic component is at least one of: torsion spring, shell fragment, spring.

Optionally, if the elastic component is a torsion spring, then: be equipped with torsional spring base on the drain pan, torsional spring base passes the circuit board extend to the circuit board with the one side that the bottom surface of drain pan deviates from mutually, torsional spring base is equipped with torsional spring installation axle, the torsional spring install in torsional spring installation axle, the torsional spring is still direct or is located through the connecting rod contact the torsional spring connecting portion of drive disk assembly, with through torsional spring connecting portion will the effort of restoring to the throne acts on drive disk assembly.

Optionally, the self-generating switch further comprises a waterproof layer, and the waterproof layer is arranged between the middle shell and the circuit board.

Optionally, the waterproof layer is provided with a switch key matching portion, the switch key matching portion protrudes from one side of the waterproof layer, which is far away from the circuit board, the middle shell is provided with a key hole, the switch key matching portion penetrates through the key hole, the switch device extends into the switch key matching portion, and the switch key matching portion is along the direction in which the key body is pressed to be respectively butted with the key body and the switch device.

Optionally, the middle shell is provided with a runway-shaped screw receiving hole, and the bottom shell is provided with a runway-shaped screw mounting hole matched with the screw receiving hole.

Optionally, the periphery of the screw mounting hole is provided with a runway-shaped rib portion, and a connecting rib portion is arranged between the inner edge of the runway-shaped rib portion and the outer edge of the screw receiving hole.

Optionally, the bottom shell is provided with a waterproof wall, and the waterproof wall is annularly arranged on the outer side of the circuit board.

The utility model provides a self-generating switch, can form the rotation axial region on drain pan or mesochite, this rotation axial region the button body can regard the rotation axial region as the fulcrum swing; furthermore, the key body can swing when being pressed. In this mode, replaced the rotary motion based on pivot and shaft hole with the swing based on the fulcrum, it can have the structure comparatively simple, and simultaneously, it does not need the structure in accurate formation axle or shaft hole, and is not high to processing technology's precision requirement, so, the utility model discloses still can have the positive effect of the processing of being convenient for.

And simultaneously, the utility model discloses in the alternative, because the rotation axial region sets up in the position that is close to the edge, can make the stroke of pressing the end when rotating can further increase, guarantee the feeling of pressing. The utility model discloses in the alternative, still can both satisfy the pivoted demand through the cooperation between first buckle, second buckle, third buckle and the fourth buckle, ensured again after the installation that the button body can not break away from.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic view illustrating the swinging of the key body according to an embodiment of the present invention;

fig. 2 is a first schematic diagram illustrating an explosion of a self-generating switch according to an embodiment of the present invention;

fig. 3a and 3b are schematic views illustrating the operation principle of the key pressing according to an embodiment of the present invention;

fig. 4 is a first schematic structural diagram of a bottom case according to an embodiment of the present invention;

fig. 5 is a first schematic view of a bottom case, a circuit board and a combination structure constructed thereon according to an embodiment of the present invention;

fig. 6 is a first schematic structural diagram of a transmission component according to an embodiment of the present invention;

fig. 7 is a schematic view of a bottom case, a circuit board and a combined structure constructed thereon according to an embodiment of the present invention;

fig. 8 is a second schematic structural diagram of the bottom case according to an embodiment of the present invention;

fig. 9 is a second schematic structural diagram of a transmission component according to an embodiment of the present invention;

fig. 10 is a first schematic structural view of a waterproof layer according to an embodiment of the present invention;

fig. 11 is a schematic view of a combination structure of the bottom shell, the middle shell and the waterproof layer according to an embodiment of the present invention;

fig. 12 is a first schematic structural diagram of a middle shell according to an embodiment of the present invention;

fig. 13 is a second schematic structural view of the middle shell according to an embodiment of the present invention;

fig. 14 is a schematic structural view of a bottom case and a key body according to an embodiment of the present invention;

fig. 15 is a first schematic structural diagram of a key body according to an embodiment of the present invention;

fig. 16 is an explosion diagram of a self-generating switch according to an embodiment of the present invention;

fig. 17 is a third schematic structural view of the bottom case according to an embodiment of the present invention;

fig. 18 is a third schematic view of a bottom case, a circuit board and a combination structure constructed thereon according to an embodiment of the present invention;

fig. 19 is a third schematic structural view of a transmission member according to an embodiment of the present invention;

fig. 20 is a schematic structural view of a waterproof layer in an embodiment of the present invention;

fig. 21 is a third schematic structural view of the middle shell according to an embodiment of the present invention;

fig. 22 is a schematic view of a combination structure of the bottom shell and the middle shell according to an embodiment of the present invention;

fig. 23 is a second schematic structural view of the key body according to an embodiment of the present invention;

fig. 24 is a first schematic view illustrating a combination structure of the bottom case and the key body according to an embodiment of the present invention;

fig. 25 is a schematic view of a combined structure of the bottom case and the key body according to an embodiment of the present invention;

fig. 26 is a third schematic view of a combined structure of the bottom case and the key body according to an embodiment of the present invention.

Description of reference numerals:

1-a bottom shell;

101-a support;

102-a first movement limiting rib;

103-a first upper limit buckle;

104-torsion spring base;

1041-torsion spring mounting shaft;

1042-torsion spring limit part;

105-a waterproof wall;

106-a base;

1061-a first shaft portion;

107-generator mounting buckle;

108-a second movement limiting rib;

109-a second upper limit buckle;

110-a support;

111-third movement limiting ribs;

112-screw mounting holes;

113-racetrack-shaped ribs;

114-connecting ribs;

115-a first snap;

116-a third catch;

2-a circuit board;

201-a switching device;

3-waterproof layer;

301-switch key mating part;

302-a light-transmitting part of the waterproof layer;

303-mating key mating part;

304-press-fit;

4-mesochite;

401-switch key hole;

402-light-transmitting holes;

403-pairing key holes;

404-a pressing part accommodating structure;

405-a rotating shaft portion;

406-a first catch;

407-a third buckle;

408-mounting holes;

409-screw receiving holes;

5-key body;

501-a fourth buckle;

502-a second snap;

503-switch pressing part;

504-transmission pressing part;

505-a light emitting portion;

6-a transmission component;

601-branch point location;

602-a switch pressing portion;

603-moving a limit boss;

604-a limit snap-fit portion;

605-insert hole;

606-torsion spring connections;

607-generator drive;

608-a second shaft portion;

609-fixed end;

7-a generator;

701-a power generation plectrum;

8-an elastic member;

9-light guide.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, 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 invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The technical solution of the present invention will be described in detail with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.

Fig. 1 is a schematic view illustrating the swinging of the key body according to an embodiment of the present invention; fig. 2 is a first schematic diagram illustrating an explosion of a self-generating switch according to an embodiment of the present invention; fig. 3a and 3b are schematic diagrams illustrating the operation principle of the key pressing according to an embodiment of the present invention.

Referring to fig. 1, fig. 2, fig. 3a and fig. 3b, the self-generating switch includes: the key comprises a bottom shell 1, a circuit board 2, an elastic component 8 and a key body 5, wherein the circuit board 2 is arranged in the bottom shell 1, and the key body 5 is positioned on one side of the circuit board 2, which is deviated from the bottom surface of the bottom shell 1.

In this embodiment, the key body 5 can swing with a rotation shaft supported by the key body 5 as a fulcrum; the rotating shaft part is arranged on the bottom shell or a middle shell connected with the bottom shell. In fig. 1, the rotation shaft may be the rotation shaft 405 provided in the middle case 4 or the rotation shaft provided in the bottom case.

The rotation shaft portion may be disposed at an edge position of a non-pressing end of the middle case 4 or the bottom case 1, so that the pressing end has a large rotation stroke, thereby improving a pressing touch.

In this mode, replaced the rotary motion based on pivot and shaft hole with the swing based on the fulcrum, it can have the structure comparatively simple, and simultaneously, it does not need the structure in accurate formation axle or shaft hole, and is not high to processing technology's precision requirement, so, the utility model discloses still can have the positive effect of the processing of being convenient for.

In one embodiment, the circuit board 2 may be electrically connected to the switching device 201 and the generator 7, and in one example, both the switching device 201 and the light emitting module may be disposed on the circuit board 2;

in addition, the circuit board 2 may further be electrically connected to a light emitting module (not shown), which may be, for example, a light emitting module for indicating that the corresponding key body is fully pressed (for example, any key may emit light or flash when fully pressed, or emit light or flash when the corresponding key is fully pressed), and this embodiment does not exclude the light emitting module indicating whether the key is damaged, and the bottom case 1 is directly or indirectly connected to the elastic component 8.

The light emitting module can emit light directly or indirectly through the light emitting portion 505. The light emitting portion 505 may be a hole or a solid body that is transparent to light, and if the hole is a hole, the hole may be a hole only for transmitting light or a hole that allows the light guide member to be inserted. The light emitting portion 505 may be provided in the key main body 5 as shown in the drawing, or may be provided in a structure such as an upper case or a frame in another embodiment.

In one example, the switching device 201 and the light emitting module (not shown) are connected to a processing module (not shown). The light emitting module may include, for example, an LED, which may include a single LED, and further connect to an IO port of the processor directly or via a current limiting resistor, or may include a plurality of LEDs connected in series and/or in parallel, and the LEDs connected in series and/or in parallel may be connected to the IO port of the processor, and further, in an example, the processing module may send an electrical signal to a corresponding IO port according to a connection and disconnection condition of the switch device, so that the corresponding light emitting module emits light. The processing module can drive the light to emit light according to other events, and is not limited to the on-off condition.

In another example, when the switch device 201 is an LED, it may also be directly connected to a generator, for example, it may be connected to two ends of a coil of the generator in parallel, and then the generator is turned on to emit light when generating power.

The switching device may be, for example, a circuit device that can be changed to a conducting state by being activated, and may be, for example, a microswitch.

In the above solution, since the circuit board is provided with the light emitting module, and the light emitting module is connected to the processing module, a channel for providing feedback to the user by using the light emitting module is generated.

In this embodiment, when any one of the key bodies 5 is pressed down, the transmission member 6 can be directly or indirectly pushed to change from the first position state to the second position state, and when the transmission member 6 changes from the first position state to the second position state, the switch device 201 can be directly or indirectly triggered by the key body 5;

the elastic component 8 can directly or indirectly provide the transmission component 6 with a reset acting force for resetting the transmission component 6 from the second position state to the first position state, so that the transmission component is reset from the second position state to the first position state;

when the transmission component 6 changes from the first position state to the second position state and/or from the second position state to the first position state, the generator 7 can be triggered by the transmission component 6 to generate electricity;

the key body can change the position state along with the transmission component.

The electric energy used by the light-emitting module for emitting light is provided by the electric energy generated by the generator, for example, the light-emitting module can be directly connected in parallel with two ends of a coil of the generator so as to be powered, for example, the light-emitting module can be connected with an energy storage module (such as a capacitor), the energy storage module can obtain the electric energy of the generator and then directly or indirectly supply the electric energy to the light-emitting module, wherein the energy storage module can be connected to the generator through a rectifying module.

In one embodiment, the self-generating switch may further include a middle shell 4, the middle shell 4 covers the bottom shell 1 to form an internal space, the circuit board 2, the transmission part 6, the power generator, and the like may be located in the internal space, and the key body 5 is located on a side of the middle shell 4 away from the internal space. In other embodiments, the middle shell 4 may not be provided.

The middle shell 4 is a waterproof middle shell and can be selected or not according to the waterproof requirement; the middle shell 4 and further water barrier can be omitted if water barrier is not required.

Fig. 4 is a first schematic structural diagram of a bottom case according to an embodiment of the present invention; fig. 5 is a first schematic view of a bottom case, a circuit board and a combination structure constructed thereon according to an embodiment of the present invention; fig. 6 is a first schematic structural diagram of a transmission component according to an embodiment of the present invention; fig. 7 is a schematic view of a bottom case, a circuit board and a combined structure constructed thereon according to an embodiment of the present invention; fig. 8 is a second schematic structural diagram of the bottom case according to an embodiment of the present invention; fig. 9 is a schematic structural diagram of a transmission component according to an embodiment of the present invention.

Referring to fig. 4 to 9, the generator 7 has a generating pick 701 for being triggered by the transmission component, wherein the generating pick 701 can be understood as any structure that can be triggered to generate electric energy by using mechanical energy, and the generating pick 701 can be in a sheet shape, a rod shape, a ring shape, or any other shape.

Referring to fig. 4 to 6, the power generating pick 701 of the power generator 7 is located at a side of the power generator 7 close to the non-pressing end of the key body 5, that is: the power generation paddle 701 is located on the side of one end of the generator 7, and the switching device 201 is located on the side of the other end of the generator 7.

The first end of the transmission member 6 is used to be pressed by the key body 5 directly or indirectly, for example, it can be pressed by the switch pressing portion 602, wherein the switch pressing portion 602 can protrude from the surface of the transmission member 6.

The second end of the transmission member 6 is used for triggering the power generation shifting piece 701 when the first end of the transmission member is pressed down and/or driven by the reset acting force to reset so as to enable the power generator 7 to generate power.

The moving directions of the first end and the second end of the transmission component 6 may be the same or different, and in any way, as long as the above controlled pressing and the triggering of the power generation shifting piece are realized, the method does not depart from the description of the embodiment.

Wherein, the transmission component 6 can be provided with an insertion hole 605 for inserting the power generation shifting piece 701.

In one embodiment, the bottom case 1 is provided with a supporting portion 101, the supporting portion 101 passes through the circuit board 2 and extends to a side of the circuit board 2 away from the bottom surface of the bottom case 1, correspondingly, the circuit board 2 may be provided with a through hole for the circuit board to pass through, and the supporting portion 101 is supported on the transmission component 6, wherein the switch device 201 and the power generation toggle piece 701 may be respectively located at two sides of the supporting portion 101 along the reference direction, for example, in other examples, other sub-portions may also be adopted. The transmission member 6 is swingable about the support portion 101 as a fulcrum, and is changeable between the first position state and the second position state by the swing. Here, the number of the supporting portions 101 may be two or more, and they may be uniformly distributed on the lower side of the transmission member 6.

Taking fig. 5 as an example, the supporting portion 101 may abut against a fulcrum point 601 of the transmission member 6, the fulcrum point 601 may be provided with or without a structure for realizing abutment, the fulcrum point may be a single position or a variable position, and further, as the swing occurs, the contact position of the supporting portion 101 and the transmission member 6 may or may not change. The circuit board 2 (including a switch device) can be assembled in an inner space formed by the bottom shell 1, the generator 7 is connected with the circuit board 2, wherein the generator 7 can be installed on the bottom shell 1 by using a generator installation buckle 107, and the generator 7 can provide electric energy for the circuit board 2; the transmission component 6 is connected with the bottom shell 1 through two branch point positions on two sides of the bottom shell 1, a structure formed by connecting lines of the two branch point positions can be used for forming a rocker structure, one side end part of the transmission component 6 is connected with a power generation shifting sheet 71 extending out of the power generator 7, the elastic component 8 is installed on the bottom shell 1 and is connected with the other end of the transmission component 6 or a position close to the other end, the power generator 7 can be reset through the transmission component 6, and the other side end part of the transmission component 6 can be provided with a switch pressing part 602.

Comparing fig. 3a and fig. 3b, and combining fig. 4 to fig. 9, after pressing the key body 5, the key body 5 triggers the transmission part 6 to perform seesaw rotation, i.e. the pressing end moves downwards, the other end moves upwards, thereby driving the power generation shifting piece 701 of the generator 7 to move, the kinetic energy of the generator 7 is converted into electric energy to supply power to the circuit board 2, meanwhile, the pressed key triggers the switch device in the pressing process, the circuit board 2 can identify the switch device, thereby transmitting a corresponding signal, each key corresponds to one switch device, and which key is pressed triggers the corresponding switch device. Meanwhile, the circuit board 2 is provided with light emitting modules (such as LEDs) with the same number as the keys, and the LEDs can flash once when the light emitting modules are pressed to emit signals each time.

After pressing, the transmission member 6 can return to the initial position under the action of the elastic member 8 of the torsion spring 4, for example, and thus the power generation paddle of the generator 7 can also return to the initial position. The key body 5 can also return to the initial position under the action of the transmission part 6.

Referring to fig. 4 and 6, the bottom case 1 is further provided with a first movement limiting rib 102, and the transmission member 6 is provided with a movement limiting boss 603.

The first movement limiting rib 102 penetrates through the circuit board 2 and extends to one side of the circuit board 2, which is far away from the bottom surface of the bottom case 1, correspondingly, the circuit board 2 may be provided with a through hole for the circuit board to penetrate through, the first movement limiting rib 102 may limit the movement limiting boss 603 and the transmission component 6 to move along a first reference direction and/or a second reference direction, for example, when moving, the first movement limiting rib 102 may block the movement limiting boss 603.

The first reference direction is a direction from a pressing end to a non-pressing end of the key body, and the second reference direction is a direction from the non-pressing end to the pressing end of the key body.

Through the cooperation of spacing boss and spacing muscle, can less processing degree of difficulty realize spacingly.

Referring to fig. 4, a first upper limiting buckle 103 is further disposed on the bottom case 1, the first upper limiting buckle 103 passes through the circuit board 2 and extends to a side of the circuit board 2 that is away from the bottom surface of the bottom case 1, and the first upper limiting buckle 103 is used for limiting the transmission component 6 to move in a direction away from the circuit board 2. Correspondingly, the edge of the transmission component can be provided with a limit buckle matching part 604, and the upper limit buckle can block the limit buckle matching part 604 when the transmission component swings, so that the limiting effect is achieved.

Taking fig. 4 to 6 as an example, since the power generating paddle 7 is close to the non-pressing end, the upper limit catch can limit the movement of the end of the transmission member 6 close to the non-pressing end away from the circuit board 2, and in the examples of fig. 16 to 23, since the power generating paddle 7 is close to the pressing end, the upper limit catch can limit the movement of the end of the transmission member 6 close to the pressing end away from the circuit board 2.

It can be seen that the limiting buckle, the first movement limiting rib 102, can facilitate the limitation of the movement position of the transmission component 6.

Referring to fig. 7 to 9, a base 106 is disposed on the bottom case 1, the base 106 is provided with a first shaft portion 1061, the base 106 passes through the circuit board 2 and extends to a side of the circuit board 2 away from the bottom surface of the bottom case 1, and the first shaft portion 1061 is located at the side of the circuit board 2 away from the bottom surface of the bottom case 1, correspondingly, the circuit board 2 may be provided with a corresponding through hole, and the transmission member 6 is connected to the first shaft portion 1061 through a second shaft portion 608.

The transmission member 6 can rotate around the axes of the first shaft portion 1061 and the second shaft portion 608, and can change between the first position state and the second position state by the rotation.

Taking fig. 7 to 9 as an example, the first shaft portion 1061 may be a rotating shaft, and correspondingly, the second shaft portion 608 is a shaft hole. In another example, the first shaft portion 1061 may be a shaft hole, and correspondingly, the second shaft portion 608 may be a rotating shaft.

The transmission component 6 can be used as a rocker, and the scheme of swinging by using the supporting part has the advantages of easy processing, easy control of part size and the like; the scheme of utilizing the shaft part to rotate can have the advantages of high stability, easy installation and disassembly and the like.

In a specific implementation process, if the number of the key bodies 5 is at least two, for example, three as shown in the figure, then: the transmission member 6 abuts all the key bodies 5 so that: when any at least one key body 5 is pressed down, the transmission part 6 can be pushed to change the position state.

In one embodiment, the elastic member 8 may be at least one of: torsion spring, shell fragment, spring.

If the elastic component 8 is a torsion spring, then: be equipped with torsional spring base 104 on drain pan 1, torsional spring base 104 passes circuit board 2 extend to circuit board 2 with the one side that the bottom surface of drain pan 1 deviates from mutually, torsional spring base 104 is equipped with torsional spring installation axle 1041, the torsional spring install in torsional spring installation axle 1041, the torsional spring still locates through the connecting rod contact the torsional spring connecting portion 606 of drive disk assembly 6, in order to pass through the connecting rod with torsional spring connecting portion 606 will the effort of reseing acts on drive disk assembly 6.

In a specific implementation, the torsion spring base 104 may further include a torsion spring limiting portion 1042 for limiting a rotational position of the torsion spring.

In one embodiment, please refer to fig. 4, the bottom casing is provided with a waterproof wall 105, and the waterproof wall 105 is disposed around the outer side of the circuit board 2.

Fig. 10 is a first schematic structural view of a waterproof layer according to an embodiment of the present invention; fig. 11 is a schematic view of a combination structure of the bottom shell, the middle shell and the waterproof layer according to an embodiment of the present invention.

Referring to fig. 10 and 11 in combination with fig. 1 and 2, the self-generating switch further includes a waterproof layer 3, and the waterproof layer 3 is disposed between the middle case 4 and the circuit board 2. The waterproof layer 3 may be attached to the middle shell 4 at a surface thereof opposite to the middle shell 4.

Specifically, the waterproof layer 3 may be provided with a switch key matching portion 301, the switch key matching portion 301 protrudes from one side of the waterproof layer 3, which is away from the circuit board 2, the middle shell 4 is provided with a switch key hole 401, the switch key matching portion 301 penetrates through the switch key hole 401, the switch device 201 extends into the switch key matching portion 301, and the switch key matching portion 301 is abutted to the key body 5 and the switch device 201 along a direction in which the key body 5 is pressed. Further, when the key body 5 is pressed down, the switch device 201 can be clicked through the key fitting portion 301, thereby triggering the switch device 201.

In addition, the waterproof layer 3 may further include a mating key mating portion 303, where the position of the mating key mating portion 303 may be matched with the position of the mating key, and meanwhile, may be matched with a mating switch device of a mating circuit on the circuit board 2, and by pressing the mating key, the mating switch device passing through the mating key hole 403 may be triggered by the mating key mating portion 303, where the structural relationship among the mating switch device, the mating key hole, the mating key mating portion, and the mating key may be understood with reference to the structural relationship among the switch device 201, the switch key hole 401, the switch key mating portion 301, and the key body 5.

The waterproof layer 3 may further have a press-fit portion 304, the position of which can be matched with the press-fit portion receiving structure 404 of the middle shell 4. The pressing portion accommodating structure 404 can be understood as a structure for accommodating the switch pressing portion 602 when the switch pressing portion 602 is lifted, and the mating key hole 403 can be disposed in the switch pressing portion 602.

In the specific implementation process, the waterproof layer 3 can be made of waterproof silica gel.

Fig. 12 is a first schematic structural diagram of a middle shell according to an embodiment of the present invention; fig. 13 is a schematic structural diagram of a middle shell in an embodiment of the present invention.

In one embodiment, referring to fig. 1, 10 and 12, the self-generating switch further includes a light guide member 9, the middle housing 4 has a middle housing light hole 402, the waterproof layer 3 has a waterproof layer light hole 302, the key body 5 has the light emitting portion 505, the light guide member 9 passes through the middle housing light hole 402, two ends of the light guide member 9 respectively extend to the light emitting portion 505 and the waterproof layer light hole 302, the positions of the light guide member 9, the middle housing light hole 402, the waterproof layer light hole 302 and the light emitting portion 505 are matched with the position of the light emitting module, which may be any matching manner with adjacent positions, meanwhile, the positions and the numbers of the waterproof layer light hole 302, the light emitting portion 505 and the light guide member 9 are the same, the number of the middle housing light holes 402 may be the same as or different from the same, and the middle housing light holes 402 and the light emitting modules may be in one-to-one correspondence, or many-to-one or one-to-many.

The above structure capable of realizing light transmission and light guiding is not deviated from the description of the embodiment. Specifically, the number and the position of the light guide member 9 and the light emitting portion may correspond to the key body one by one, and then the external feedback is performed one by one.

Fig. 14 is a schematic structural view of a bottom case and a key body according to an embodiment of the present invention; fig. 15 is a schematic structural diagram of a key body according to an embodiment of the present invention.

Referring to fig. 14 and 15, a rotation shaft 405 is disposed on one side of the middle shell 4 connected to the key body 5, and the key body 5 can swing with the rotation shaft 405 as a fulcrum; the key body 5 can swing when being pressed down, thereby triggering the corresponding switch device. When the pressing action force disappears, the switch device resets and the elastic component acts to drive the key body 5 to reset.

The required swing can be satisfied by utilizing the rotating shaft part, the mode of using the rotating shaft is avoided, and compared with the prior art, the effects of simplifying the structure and facilitating the disassembly and assembly can be achieved. Meanwhile, the embodiment which is realized by adopting a rotating shaft is not excluded.

A limitation therein is to be understood as meaning that when it is not exceeded, movement away from the middle shell can take place, but is blocked from moving away to an exceeded position.

In a specific implementation, the rotating shaft 405 is disposed at an edge position of a non-pressing end of the middle shell, which may be, for example, an upper edge shown in fig. 12, and the rotating shaft 405 may also be disposed at an edge position of a non-pressing end of the bottom shell;

the outer side of the rotating shaft part 405 far away from the pressing end is provided with a first buckle 406;

a third buckle 407 is arranged on one side of the pressing end of the middle shell 4; the third buckle 407 can also be disposed at the pressing end of the bottom case;

a second buckle 502 is arranged at the non-pressing end of the key body 5, and a fourth buckle 501 is arranged at the pressing end of the key body 5; the first buckle 406 and the third buckle 407 are connected to the middle shell 4 or the bottom shell 1; in the figures, it is shown as being provided in the central shell 4, and in other examples, it may be provided in the bottom shell 1, but its position with respect to the central shell 4 is still as previously shown.

In the specific implementation process, only the first buckle and the second buckle or the third buckle and the fourth buckle can be arranged.

The first latch 406 is abutted with the second latch 502 to limit the non-pressing end of the key body 5 from moving in the direction away from the middle shell 4, and the third latch 407 is abutted with the fourth latch 501 to limit the pressing end of the key body 5 from moving in the direction away from the middle shell 4.

In the above scheme, because the rotating shaft part is arranged at a position close to the edge, the stroke of the pressing end in the rotating process can be further increased, and the hand feeling of pressing is guaranteed. Simultaneously, still can both satisfy the pivoted demand through the cooperation between first buckle, second buckle, third buckle and the fourth buckle, ensured again after the installation, the button body can not break away from.

Certain gaps can be reserved between the butted buckles along the reference direction, and each buckle can be provided with a certain chamfer so as to ensure that the swinging implementation and the butting between the buckles can be realized.

It can be seen that the cooperation of whole button body 5 and rotation axial region can be equivalent to forming a lever structure, under this lever structure's effect, because the rotation axial region is located the end of not pressing, the stroke of the end of pressing of button body 5 further increases, and then can be close mechanical switch's stroke, provides the preferred and controls and feel, adjusts the final stroke of button body 5.

In a specific implementation process, the number of the first buckle 406, the third buckle 407, the second buckle 502, and the fourth buckle 501 may be any, and taking fig. 12 to fig. 15 as an example, when the number of the key bodies 5 is three, the number of the first buckle 406 and the second buckle 502 may be six, and then two may be configured for each key body 5, and meanwhile, the number of the third buckle 407 and the fourth buckle 501 may be three, and then one may be configured for each key body 5.

In the above solution, the number of the first buckles is the same as that of the third buckles, the number of the second buckles is the same as that of the fourth buckles, and in other examples, the numbers may also be different, for example: the quantity of second buckle can be for being one of rectangular shape, and then, through this one second buckle, can realize the butt joint with all fourth buckles.

In a specific implementation process, referring to fig. 15, a switch pressing portion 503 may be further disposed on a side surface of the key body 5 opposite to the middle shell 4, and each switch pressing portion 503 is used for pressing corresponding to one switch device 201.

In other optional embodiments, a transmission pressing portion 504 may be further disposed on a side surface of the key body 5 opposite to the middle shell 4, and the transmission pressing portion 504, the press-fit portion 304 and the transmission pressing portion 504 are sequentially activated.

In a specific example, the waterproof layer 6 of the silica gel is connected with the bottom case 1, and the middle case 4 is connected between the outer side of the waterproof layer 6 and the bottom case 1, so as to compress the waterproof layer 6 (wherein, the waterproof layer 6 of the silica gel and the waterproof wall 105 on the bottom case 1 can adopt interference fit in structure), realize that the internal structure is completely sealed and waterproof, and finally assemble the key body 5, the key body 5 can be assembled on the bottom case 1, and also can be assembled on the middle case 4. The key body 5 has one end as a pivot, which is a fixed end, and the other end capable of performing a pivotal reciprocating motion (pressing and resetting), that is, a pressing end of the switch.

In addition, the spontaneous electrical switch that this embodiment is related to both can directly adopt double faced adhesive tape to paste in wall or other places, also can adopt the screw to install in traditional switch end box.

Referring to fig. 8 and 12, the middle case 4 is provided with a racetrack-shaped screw receiving hole 409, and the bottom case 1 is provided with a racetrack-shaped screw mounting hole 112 matching the screw receiving hole 409.

The switch can be mounted by the screw receiving hole 409 and the screw mounting hole 112. Through the runway-shaped mounting hole, the level and the horizontal position of the switch after being mounted can be finely adjusted, and the accumulated deviation in the mounting process of the switch is made up.

The periphery of the screw mounting hole 112 is provided with a runway-shaped rib 113, and a connecting rib 114 is arranged between the inner edge of the runway-shaped rib 113 and the outer edge of the screw mounting hole 112.

Through the runway-shaped rib parts 113 and the connecting rib parts 114, the strength of the shell around the mounting hole on the bottom shell can be enhanced, and the obvious shell deformation after the screw is mounted is prevented; meanwhile, the contact area with the bottom surface of the nut of the mounting screw can be reduced, so that the friction force between the screw and the shell is increased, and the effect of preventing the screw from loosening is achieved.

Fig. 16 is an explosion diagram of a self-generating switch according to an embodiment of the present invention; fig. 17 is a third schematic structural view of the bottom case according to an embodiment of the present invention; fig. 18 is a third schematic view of a bottom case, a circuit board and a combination structure constructed thereon according to an embodiment of the present invention; fig. 19 is a third schematic structural view of a transmission member according to an embodiment of the present invention; fig. 20 is a schematic structural view of a waterproof layer in an embodiment of the present invention; fig. 21 is a third schematic structural diagram of the middle shell in an embodiment of the present invention.

Referring to fig. 16 to 21, in another embodiment, the power generating shifting piece 701 of the power generator 7 may also be located on a side of the power generator 7 close to the pressing end of the key body.

The middle portion or the portion close to the first end of the transmission member 6 is used for being directly or indirectly pressed by the key body 5, specifically, the transmission member can be pressed by a switch pressing portion 602 disposed at the middle portion or the portion close to the first end, and the first end of the transmission member 6 is used for triggering the power generation shifting piece 701 when the transmission member is pressed and/or when the transmission member is reset under the driving of the reset acting force, so as to enable the power generator 7 to generate power. The first end may be, for example, an end away from the pressing end, and specifically, the power generation paddle 701 may be touched by the power generator driving portion 607 as shown in the figure.

Referring to fig. 17, the bottom case 1 is further provided with a second movable limiting rib 108;

the second movement limiting rib 108 penetrates through the circuit board 2 and extends to one side of the circuit board 2, which is far away from the bottom surface of the bottom shell, the second movement limiting rib 108 can limit the transmission component 6 to move along a first reference direction and/or a second reference direction, the first reference direction is the direction from the pressing end to the non-pressing end of the key body, and the second reference direction is the direction from the non-pressing end to the pressing end of the key body.

Meanwhile, a second upper limit buckle 109 and a support 110 are disposed on the bottom case 1 near the pressing end, the second upper limit buckle 109 passes through the circuit board 2 and extends to a side of the circuit board 2 facing away from the bottom surface of the bottom case 1, the switch device 201 and the power generation pick 701 may be located on the same side of the second upper limit buckle along the first reference direction, in other examples, the distribution manner is not limited thereto, the second end of the transmission member is inserted into the second upper limit buckle 109, the support 110 is supported by the transmission member and can pivot about the support 110, and the support 110 can be changed between the first position state and the second position state by the pivoting.

In a specific implementation process, referring to fig. 18, the bottom case 1 may further be provided with a third movement limiting rib 111; the third movement limiting rib 111 is used for limiting the transmission component to move along a third reference direction, and the third reference direction is perpendicular to the direction from the pressing end to the non-pressing end.

Wherein the elastic member 8, such as a torsion spring, may be first loaded into the bottom case 1; the generator 7 and the circuit board 2 are firstly connected together by welding, then are simultaneously installed in the bottom case 1, the generator 7 is fixed by the bottom case 1 through the generator installation buckle 107, the power generation shifting piece 701 of the generator 7 can be arranged above the torsion spring, and the reset torsion spring can help the generator to drive the shifting piece to reset.

One end of the transmission component 6 can be inserted into the corresponding second upper limit buckle 109 on the bottom case, and meanwhile, the transmission component is placed on the support body 110, and meanwhile, the transmission component 6 can be limited on the left and right by the second movable limit rib 108.

The fixed end 609 of the transmission component is used as a shaft to perform pivoting movement, the switch pressing part of the transmission component 6 can be a convex structure, so that the transmission component 6 can be conveniently acted with the transmission pressing part 504 of the external key 5, and the transmission component 6 is pressed to drive the generator 7 to generate electricity.

In addition, the bottom case 1 may further be provided with a torsion spring base 104, a generator mounting buckle 107, and the like, as well as the waterproof layer 3, the middle case 4, the key body 5 and their related structures (including the pivotal connection of the buckle, and the like) shown in fig. 20 and 21, which can be understood with reference to the foregoing description of the embodiment shown in fig. 1 to 15, and repeated technical features and technical effects are not described again.

Fig. 22 is a schematic view of a combination structure of the bottom shell and the middle shell according to an embodiment of the present invention; fig. 23 is a schematic structural diagram of a key body according to an embodiment of the present invention.

Referring to fig. 22, in one embodiment, the middle shell 4 and the bottom shell 1 can be locked by screws, and correspondingly, the middle shell 4 can be provided with mounting holes 408 for abutting against the screws, specifically, the waterproof layer 3, such as waterproof silica gel, can be disposed between the bottom shell 1 and the middle shell 4, and the waterproof layer 3 and the waterproof wall on the bottom shell 1 are in interference fit, so as to achieve the waterproof purpose.

In one embodiment, referring to fig. 18, the elastic component 9 and the transmission component 6 are both connected to the power generation shifting piece 701, and the elastic component 9 can indirectly reset the transmission component 6 by pushing the power generation shifting piece 701 to reset. The elastic member 9 may be, for example, a torsion spring, wherein the torsion spring may be connected to the power generation paddle 701 through a link. For example, the transmission member 6 may be connected to one side of the power generation paddle 701, and the elastic member 9 may act on the other side of the power generation paddle 701, thereby driving the power generation paddle 701 to move in two directions, respectively.

It can be seen that in the embodiment of fig. 1 to 15, the transmission member 6 is connected to the generator 7 and the torsion spring, respectively, but the torsion spring does not act directly on the generator, and in the solution of fig. 16 to 23, the torsion spring may act directly on the generator to reset the generator and the transmission member 6.

fig. 25 is a schematic view of a combined structure of the bottom case and the key body according to an embodiment of the present invention; fig. 26 is a third schematic view of a combined structure of the bottom case and the key body according to an embodiment of the present invention.

In the embodiment shown in fig. 13 and 14, the middle case and the key body are connected by a snap, and in the embodiment shown in fig. 24 to 26, the key body 5 can also be connected with the bottom case 1.

Here, the non-pressing end of the bottom case 1 is provided with a first catch 115, which is also located outside the rotation shaft 405, and the function of the first catch 115 can be understood by referring to the first catch 406 on the middle case 4, and the pressing end of the bottom case 1 is provided with a third catch 116, the function of which can also be understood by referring to the third catch 407 on the middle case 4.

In a specific example, when the key body 5 is connected to the bottom case 1, the first latch 115 and the third latch 116 on the bottom case 1 may be located outside the second latch 502 and the fourth latch 501, and when the key body 5 is connected to the middle case 4, the first latch 406 and the third latch 407 of the middle case 4 may also be located inside the second latch 502 and the fourth latch 501.

In summary, in the self-generating switch provided in this embodiment, a rotation shaft portion may be formed on the bottom casing or the middle casing, and the key body of the rotation shaft portion may swing with the rotation shaft portion as a fulcrum; furthermore, the key body can swing when being pressed. In this mode, replaced the rotary motion based on pivot and shaft hole with the swing based on the fulcrum, it can have the structure comparatively simple, and simultaneously, it does not need the structure in accurate formation axle or shaft hole, and is not high to processing technology's precision requirement, so, the utility model discloses still can have the positive effect of the processing of being convenient for.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A self-generating switch, comprising: the key comprises a bottom shell, a circuit board, an elastic component, a transmission component and a key body, wherein the circuit board is arranged in the bottom shell and is electrically connected with a switching device and a generator, and the bottom shell is directly or indirectly connected with the elastic component; the switch device is electrically connected with the processing module; the key body is positioned on one side of the circuit board, which is deviated from the bottom surface of the bottom shell,

2. The self-generating switch according to claim 1, wherein the middle shell covers the bottom shell to form an inner space, the circuit board and the generator are both located in the inner space, and the key body is located on a side of the middle shell away from the inner space;

3. The self-generating switch according to claim 1, wherein the rotation shaft portion is provided at an edge position of a non-pressing end of the middle case or the bottom case, and an outer side of the rotation shaft portion, which is far away from the pressing end, is provided with a first snap; a second buckle is arranged at the non-pressing end of the key body; the first buckle is connected to the middle shell or the bottom shell;

4. The self-generating switch according to claim 3, wherein the pressing end of the middle case or the bottom case is provided with a third catch; a fourth buckle is arranged at the pressing end of the key body;

5. The self-generating switch according to claim 1, wherein the generator has a generating paddle for being triggered by the transmission member; the power generation shifting sheet of the generator is positioned on one side of the generator, which is close to the non-pressing end of the key body;

6. The self-generating switch according to claim 5, wherein said bottom case is provided with a support portion,

7. The self-generating switch according to claim 6, wherein the bottom case is further provided with a first movement limiting rib, and the transmission part is provided with a movement limiting boss;

8. The self-generating switch according to claim 5, wherein a base is provided on said bottom case, said base being provided with a first shaft portion, said base extending through said circuit board to a side of said circuit board facing away from a bottom surface of said bottom case such that said first shaft portion is located at a side of said circuit board facing away from said bottom surface of said bottom case; the transmission component is connected to the first shaft part through a second shaft part;

9. The spontaneous electrical switch of claim 5, wherein the bottom casing is further provided with a first upper limit catch, the first upper limit catch passes through the circuit board and extends to a side of the circuit board, which is away from the bottom surface of the bottom casing, and the first upper limit catch is used for limiting the transmission component from moving in a direction away from the circuit board.

10. The self-generating switch according to claim 3, wherein said generator has a generating paddle for being triggered by said transmission member; the power generation shifting sheet of the generator is positioned on one side of the generator, which is close to the pressing end of the key body;

11. The self-generating switch according to claim 10, wherein a second upper limit buckle and a support are disposed on the bottom case at a position close to the pressing end, the second upper limit buckle penetrates through the circuit board and extends to a side of the circuit board away from the bottom surface of the bottom case, the transmission member is inserted into the second upper limit buckle, the support is supported by the transmission member, and the transmission member can pivot about the support as a fulcrum and can change between the first position state and the second position state through the pivoting.

12. The self-generating switch according to claim 10, wherein a second movable limiting rib is further arranged on the bottom shell;

13. The self-generating switch according to claim 10, wherein the elastic component and the transmission component are both connected to the power generation shifting piece, and the elastic component can directly or indirectly push the power generation shifting piece to reset and indirectly reset the transmission component.

14. The self-generating switch according to any one of claims 1 to 13, wherein a third movement limiting rib is disposed on the bottom case, the third movement limiting rib is used for limiting the transmission member to move along a third reference direction, and the third reference direction is perpendicular to a direction from the pressing end to the non-pressing end.

15. The self-generating switch according to any one of claims 1 to 13, wherein if the number of the key bodies is at least two, the transmission member abuts all the key bodies so that: when any at least one key body is pressed down, the transmission part can be pushed to change the position state.

16. The self-generating switch according to any one of claims 1 to 13, wherein the elastic member is at least one of: torsion spring, shell fragment, spring.

17. The self-generating switch according to claim 16, wherein if said elastic member is a torsion spring, then: be equipped with torsional spring base on the drain pan, torsional spring base passes the circuit board extend to the circuit board with the one side that the bottom surface of drain pan deviates from mutually, torsional spring base is equipped with torsional spring installation axle, the torsional spring install in torsional spring installation axle, the torsional spring is still direct or is located through the connecting rod contact the torsional spring connecting portion of drive disk assembly, with through torsional spring connecting portion will the effort of restoring to the throne acts on drive disk assembly.

18. The self-generating switch according to any one of claims 1 to 13, further comprising a waterproof layer disposed between the middle case and the circuit board.

19. The self-generating switch according to claim 18, wherein the waterproof layer is provided with a switch key fitting portion protruding from a side of the waterproof layer away from the circuit board, the middle shell is provided with a key hole, the switch key fitting portion penetrates through the key hole, the switch device extends into the switch key fitting portion, and the switch key fitting portion is respectively abutted to the key body and the switch device along a direction in which the key body is pressed.

20. The self-generating switch according to any one of claims 1 to 13, wherein the middle case is provided with a screw receiving hole having a racetrack shape, and the bottom case is provided with a screw mounting hole having a racetrack shape matching the screw receiving hole.

21. The self-generating switch according to claim 20, wherein a racetrack-shaped rib is arranged on the periphery of the screw mounting hole, and a connecting rib is arranged between the inner edge of the racetrack-shaped rib and the outer edge of the screw receiving hole.

22. The self-generating switch according to any one of claims 1 to 13, wherein the bottom case is provided with a waterproof wall, and the waterproof wall is arranged around the outer side of the circuit board.