Self-generating multi-key switch

Abstract

The utility model discloses a self-generating multi-key switch which comprises a switch base, a detachable magnetic assembly is arranged in the switch base, the magnetic assembly is inserted into a fixing hole of the switch base through a micro-motion main body rotating column to be fixed, and the magnetic assembly is matched with a magnetic induction assembly. The magnetic assembly is fixed on the switch base through cooperation of screws and screw holes, the switch base is provided with a PCBA placing area, a PCBA transmitting module is installed in the PCBA placing area, pressing plate rotating columns are symmetrically arranged on the switch base, pressing plates are arranged on the pressing plate rotating columns in a sleeved mode, reset springs are arranged at the positions, close to the pressing plate rotating columns, of the switch base, and the reset springs are connected with the PCBA transmitting module. One section of the reset spring is matched with a spring hole formed in the pressing plate. The spring contact control circuit is used, the emission module has few parts, the structure is simple, and the cost is low. And conductive springs are arranged on the keys and are in contact with contact points on the PCB to control the connection and disconnection of the PCB circuit.

Description

Technical Field

[0001] The utility model belongs to the technical field of self - generating electricity, and particularly relates to a self - generating multi - key switch. Background Art

[0002] With the development of electronic technology and the troubles brought by replacing batteries and the environmental pollution caused by batteries, etc. Using a micro - kinetic energy - generating switch to replace the original battery power supply to provide continuous electrical energy. Using a micro - kinetic energy - generating device to replace the trouble of wired power wiring to provide electrical energy for electronic products is a solution that is increasingly popular among people. Some self - generating switches have emerged on the market. The existing self - generating multi - key wireless switches have the following defects:

[0003] Using a travel switch to control the on and off of the PCB circuit, limited by the travel of the travel switch, it is difficult to control the travel of the switch button; using a travel switch to control the on and off of the PCB circuit, limited by the height interference of the travel switch, it is impossible to realize the sharing of the PCB control circuit by multiple - position and more - position switches; using a travel switch, the signal - emitting module has many parts, a complex structure, and a high cost; when pressing one button, other buttons will lose the supporting force and be in a falling state; furthermore, with the action of a spring and a reset plate for reset, it increases the difficulty of reset and the spring - back force, is not beautiful, and the functions are not clear.

[0004] In view of the above factors, a self - generating multi - key switch is specially designed. Multiple circuit contact points are arranged on the PCB board, a conductive spring is arranged on the button, and a supporting spring is arranged between the button and the base to prevent other buttons from losing the supporting force and being in a falling state when pressing one button. Content of the Utility Model

[0005] The purpose of the utility model is to provide a self - generating multi - key switch to solve the problems raised in the above background art.

[0006] The purpose of the utility model is realized by the following technical solutions: a self - generating multi - key switch, including a switch base, a detachable magnetic component is arranged inside the switch base. The magnetic component is fixed by inserting a micro - motion main body rotating column into a fixing hole of the switch base. The magnetic component cooperates with a magnetic induction component, and the magnetic component is fixed on the switch base through the cooperation of a screw and a screw hole;

[0007] The switch base is provided with a PCBA placement area, and a PCBA transmitting module is installed in the PCBA placement area;

[0008] Rotating columns for the pressing plate are symmetrically arranged on the switch base, a pressing plate is sleeved on the rotating columns for the pressing plate, and a reset spring is arranged on the switch base adjacent to the rotating columns for the pressing plate. One end of the reset spring cooperates with a spring hole opened on the pressing plate.

[0009] A key is provided on the switch base, and the key is inserted into the key rotation hole through the key rotation column.

[0010] Further, support spring holes are provided on the switch base at intervals, and support springs are provided in the support spring holes.

[0011] Further, pressing ribs and lifting ribs are respectively provided on the pressing plate, and the end faces of the pressing ribs and the lifting ribs are respectively in contact with the magnetic component.

[0012] Further, a circuit bridging area is provided on the PCBA transmitting module, and the circuit bridging area is in contact and cooperation with the conductive spring provided on the key.

[0013] Further, the magnetic component rotates around the switch base fixing hole under the action of the pressing force of the pressing rib on the pressing plate.

[0014] Further, at least two groups of switches are provided on the key.

[0015] Further, the pressing plate is bounced up under the action of the reset spring force, the lifting rib on the pressing plate drives the magnetic component to reset, the conductive spring is separated from the bridging area on the PCBA transmitting module, and the circuit is in an off state.

[0016] Further, the magnetic component includes a micro-motion main body, a magnet and a magnetic conduction sheet. The micro-motion main body is of a frame structure, a magnetic conduction sheet groove for installing the magnetic conduction sheet is provided on the micro-motion main body, and the magnet is installed in a magnet groove opened on the micro-motion main body.

[0017] Further, the magnetic induction component includes an iron core and a coil. The iron core is sleeved with the coil and is installed in an iron core groove opened on the micro-motion main body.

[0018] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0019] When the key of the present utility model is pressed, the spring immediately contacts the contact point on the PCB board to conduct the circuit; when the key is continuously pressed, the circuit is still in a conductive state, only the spring is compressed; the limitation of the travel of the key switch by the travel switch is cancelled; and there are more application scenarios for the switch key.

[0020] The present utility model uses a spring to contact and control the circuit, and the transmitting module has fewer parts, a simple structure and low cost.

[0021] The present utility model sets a conductive spring on the key to contact the contact point on the PCB board to control the on and off of the PCB circuit. There is no travel switch on the PCB circuit, so there will be no interference when adding or reducing the switch keys; there are more application scenarios and spaces.

[0022] When a button of the present utility model is pressed, other buttons are supported by springs and remain in a static state, without losing the supporting force and being in a falling-back state; it will not cause difficulties in resetting again and the rebound force; it is beautiful and has clear functions. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the switch base of the present utility model;

[0024] Figure 2 It is a schematic diagram of the button of the present utility model;

[0025] Figure 3 It is a schematic diagram of the PCBA transmitting module of the present utility model;

[0026] Figure 4 It is a schematic diagram of the pressing plate of the present utility model;

[0027] Figure 5 It is a schematic sectional view of the switch of the present utility model;

[0028] Figure 6 It is a schematic diagram of the microswitch main body of the present utility model;

[0029] Figure 7 It is a schematic diagram of the connection seat of the microswitch main body of the present utility model;

[0030] Figure 8 It is a schematic diagram of the cooperation of the microswitch main body with the magnetic component and the magnetic induction component of the present utility model;

[0031] Figure 9 It is a schematic diagram of the first form of the self-powered multi-button switch of the present utility model;

[0032] Figure 10 It is a schematic diagram of the second form of the self-powered multi-button switch of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0033] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0036] like Figure 1-10 As shown, a self-generating multi-button switch includes a switch base 1, wherein a detachable magnetic component 15 is disposed inside the switch base 1, and the magnetic component 15 is inserted into a fixing hole of the switch base 1 through a micro-movement main body rotating column 151 and fixed, and the magnetic component 15 cooperates with a magnetic induction component 14, and the magnetic component 15 is fixed on the switch base 1 through a screw 141 and a screw hole 142;

[0037] The switch base 1 is provided with a PCBA placement area 13, in which the PCBA transmitting module 3 is installed;

[0038] The switch base 1 is symmetrically provided with a pressing plate rotating column 121, on which a pressing plate 2 is sleeved, and the switch base 1 is provided with a return spring 122 adjacent to the pressing plate rotating column 121, and a section of the return spring 122 cooperates with a spring hole 22 opened on the pressing plate 2.

[0039] The switch base 1 is provided with a button 4 , and the button 4 is inserted into the button rotation hole 162 through a button rotation column 41 .

[0040] Support spring holes 161 are arranged at intervals on the switch base 1 , and support springs 6 are arranged in the support spring holes 161 .

[0041] The pressing plate 2 is provided with a pressing rib 23 and a tilting rib 24 , respectively. The end surfaces of the pressing rib 23 and the tilting rib 24 are in contact with the magnetic assembly 15 .

[0042] The PCBA transmitting module 3 is provided with a circuit bridging area 31 , and the circuit bridging area 31 is in contact with and matched with a conductive spring 7 provided on the key 4 .

[0043] The button 4 is provided with a conductive spring fixing groove 472 , a conductive spring column 471 is provided in the conductive spring fixing groove 472 , and the conductive spring 7 cooperates with the conductive spring column 471 .

[0044] The magnetic assembly 15 is rotated around the fixing hole of the switch base 1 by the force of the pressing rib 23 on the pressing plate 2 .

[0045] The button 4 is provided with at least two groups of switches.

[0046] The pressing plate 2 is bounced up by the force of the reset spring 122, and the raised rib 24 on the pressing plate 2 drives the magnetic component 15 to reset, and the conductive spring 7 is separated from the bridge area 31 on the PCBA transmitting module 3, and the circuit is in a disconnected state.

[0047] The magnetic assembly 15 includes a micro-motion body, a magnet and a magnetic conductive sheet. The micro-motion body is a frame structure. The micro-motion body is provided with a magnetic conductive sheet slot for installing the magnetic conductive sheet. The magnet is installed in the magnet slot provided on the micro-motion body.

[0048] A micro-switch body rotating column 151 is provided on the micro-switch body and is inserted into a fixing hole of the switch base 1 for fixing. The micro-switch body cooperates with the fixing base and is connected to the switch base through bolts.

[0049] The magnetic induction component 14 includes an iron core and a coil. The coil is sleeved on the iron core and installed in an iron core slot opened on the micro-motion body.

[0050] When the switch of the utility model is in the natural state, the pressing plate 2 is bounced up by the force of the reset spring 122; the magnetic component (micro-switch body, two magnets, two magnetic conductive sheets) 15 is tilted up by the force of the tilting rib 24 on the pressing plate 2; the multi-button 4 is in the initial state by the force of the support spring 6; the conductive spring 7 is separated from the bridge area 31 on the PCBA transmitting module 3;

[0051] When any one of the multi-buttons 4 is pressed, the conductive spring 7 first contacts the bridge area 31 on the PCBA transmitter module 3, and the circuit of the pressed button 4 is in the on state (the circuits of other buttons 4 are in the off state), and then the magnetic component (micro-switch body, two magnets, two magnetic conductive sheets) 15 is rotated around the fixing hole 152 of the switch base 1 by the force of the pressing rib 23 on the pressing plate 2;

[0052] The magnetic field of the iron core in the magnetic induction component (iron core, coil) 14 changes, so that the coil generates current, which is transmitted to the PCBA transmitting module.

[0053] The pressed button 4 switches send a signal; the other buttons are kept fixed by the supporting springs.

[0054] Release the pressing of the multi-button 4. The pressing plate 2 is bounced up under the force of the return spring 122. The raised rib 24 on the pressing plate 2 drives the magnetic component (including the microswitch body, 2 magnets, and 2 magnetic conductive sheets, and the 2 magnets and 2 magnetic conductive sheets are installed on the microswitch body) to return to its original position. The conductive spring 7 is separated from the bridging area 31 on the PCBA transmitting module 3, and the circuit is in an open state.

[0055] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be construed as limiting the claimed rights.

[0056] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A self-generating multi-button switch, characterized in that: The switch base (1) comprises a detachable magnetic component (15) arranged inside the switch base (1); the magnetic component (15) is inserted into a fixing hole of the switch base (1) through a micro-movement main body rotating column (151) and fixed; the magnetic component (15) cooperates with a magnetic induction component (14); the magnetic component (15) is fixed to the switch base (1) through a screw (141) and a screw hole (142); The switch base (1) is provided with a PCBA placement area (13), and a PCBA transmitting module (3) is installed in the PCBA placement area (13); The switch base (1) is symmetrically provided with a pressing plate rotating column (121), a pressing plate (2) is sleeved on the pressing plate rotating column (121), a return spring (122) is provided on the switch base (1) adjacent to the pressing plate rotating column (121), and a section of the return spring (122) cooperates with a spring hole (22) provided on the pressing plate (2); The switch base (1) is provided with a button (4), and the button (4) is inserted into the button rotation hole (162) through a button rotation column (41).

2. The self-generating multi-button switch according to claim 1, characterized in that: Support spring holes (161) are arranged at intervals on the switch base (1), and support springs (6) are arranged in the support spring holes (161).

3. The self-generating multi-button switch according to claim 2, characterized in that: The pressing plate (2) is provided with a pressing convex rib (23) and a tilting convex rib (24), respectively, and the end surfaces of the pressing convex rib (23) and the tilting convex rib (24) are in contact with the magnetic component (15) respectively.

4. The self-generating multi-button switch according to claim 3, characterized in that: The PCBA transmitting module (3) is provided with a circuit bridging area (31), and the circuit bridging area (31) is in contact with and cooperates with a conductive spring (7) provided on the key (4).

5. The self-generating multi-button switch according to claim 4, characterized in that: The magnetic component (15) is rotated around the fixing hole of the switch base (1) under the action of the pressing rib (23) on the pressing plate (2).

6. The self-generating multi-button switch according to claim 5, characterized in that: The button (4) is provided with at least two groups of switches.

7. The self-generating multi-button switch according to claim 6, characterized in that: The pressing plate (2) is bounced up by the force of the reset spring (122), the raised rib (24) on the pressing plate (2) drives the magnetic component (15) to reset, the conductive spring (7) is separated from the circuit bridging area (31) on the PCBA transmitting module (3), and the circuit is in a disconnected state.

8. The self-generating multi-button switch according to claim 7, characterized in that: The magnetic component (15) comprises a micro-motion body, a magnet and a magnetic conductive sheet. The micro-motion body is a frame structure. The micro-motion body is provided with a magnetic conductive sheet slot for installing the magnetic conductive sheet. The magnet is installed in the magnet slot provided on the micro-motion body.

9. The self-generating multi-button switch according to claim 8, characterized in that: The magnetic induction component (14) comprises an iron core and a coil. The coil is sleeved on the iron core and installed in an iron core slot provided on the micro-motion body.

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