Double-key self-generating switch

Abstract

The utility model belongs to the technical field of switches, in particular to a double-key self-generating switch, which comprises a base and two pressing cover plates, an electric control board and a self-generating module are arranged on the base, a position switch is arranged on the upper surface of the electric control board, and a driving frame and a resetting frame are hinged on the base. The rear end of the driving frame and the rear end of the reset frame are arranged in an up-down stacked mode, the rear end of the driving frame and the rear end of the reset frame vertically clamp the driving end of the self-generating module, a reset spring is arranged in the base, and the front end of the driving frame can abut against the front ends of the two pressing cover plates. According to the utility model, the two pressing cover plates share one self-generating module, when one pressing cover plate is pressed down, the position switch corresponding to the pressing cover plate is turned on, and the self-generating module can generate electric energy, so that the electric control board outputs a corresponding control signal to the outside according to the position switch. The self-generating switch can meet two control requirements at the same time, and the cost is effectively saved.

Description

Technical field:

[0001] The utility model belongs to the technical field of switches, in particular to a double-key self-generating switch. Background technology:

[0002] A self-generating switch is a switch that can generate electrical energy when triggered by an external force, and at the same time use the electrical energy to output a control signal to control the state of a corresponding electrical appliance when triggered by the external force.

[0003] The self-generating switch disclosed in the existing Chinese utility model patent (authorization announcement number CN216528537U) includes a housing; a power generation component fixedly connected to the housing; a key body, in a first direction, one end of the key body is connected to the housing, and the other end of the key body opposite to the one end can move between a first position and a second position; a trigger part fixedly connected to the key body, and the trigger part can trigger the power generation component to generate electric energy during the movement of the other end from the first position to the second position, and / or the movement of the other end from the second position to the first position; a control component connected to the power generation component for receiving electric energy and outputting a control signal; wherein, in the first direction, the trigger part is located between one end and the other end. The above structure triggers the power generation component when the trigger part moves with the key body to generate an electric energy output control signal, but the structure has the problem that a single switch can only meet a single control requirement, that is, multiple control requirements require the configuration of the same number of switches, which is costly. Summary of the invention:

[0004] The utility model aims to provide a double-button self-generating switch, wherein two pressing covers share a self-generating module, and an electric control board effectively outputs corresponding control signals by means of position switches corresponding to the pressing covers.

[0005] The utility model is achieved in this way:

[0006] A double-button self-generating switch comprises a base and two push cover plates whose rear ends are hinged on the base; an electric control board and a self-generating module electrically connected to the electric control board are arranged in sequence from top to bottom on the base below the push cover plates; a position switch corresponding to the push cover plates is arranged on the upper surface of the electric control board; a driving frame and a reset frame are hinged on the base outside the self-generating module; the rear end of the driving frame and the rear end of the reset frame are stacked up and down, and the rear end of the driving frame and the rear end of the reset frame clamp the driving end of the self-generating module up and down; a reset spring whose elastic force can push the rear end of the reset frame to rotate downward is arranged in the base; the front end of the driving frame is a free end and can abut against the front ends of the two push cover plates.

[0007] In the above-mentioned double-key self-generating switch, a accommodating groove is provided on the base, the rear end of the pressing cover is hinged in the accommodating groove, and a limiting groove is provided on the lower surface of the front end, and a matching plug plate located in the limiting groove is provided on the bottom surface of the accommodating groove, and the matching plug plate can limit the rotation angle of the hinged rotation of the pressing cover in the limiting groove.

[0008] In the above-mentioned double-key self-generating switch, the driving frame is in an annular structure, the reset frame is in a U-shaped structure, the self-generating module is located between the inner ring side of the driving frame and the two end arms of the U-shape of the reset frame, the middle part of the driving frame and the two end arms of the U-shape of the reset frame are hinged on the base, and the U-shaped middle part of the reset frame is stacked up and down at the rear end of the driving frame to clamp the driving end of the self-generating module.

[0009] In the above-mentioned double-key self-generating switch, an electric control slot is provided on the base, the electric control board, the self-generating module, the driving frame and the reset frame are all arranged in the electric control slot, a protective cover is provided at the slot of the electric control slot, the reset spring is arranged between the lower surface of the protective cover and the rear end of the reset frame, a driving boss is provided on the front upper surface of the driving frame, through holes corresponding to the position switch and the driving boss are provided on the protective cover, and a waterproof rubber sleeve is provided on the through hole, and the lower surface of the pressing cover plate is provided with linkage bosses corresponding to the through holes one by one, and when the pressing cover plate is rotated downward, the linkage boss presses down the waterproof rubber sleeve and abuts against the corresponding position switch or driving boss.

[0010] In the above-mentioned double-key self-generating switch, a positioning groove is provided on the upper surface of the rear end of the reset frame, a positioning boss is provided on the lower surface of the protective cover corresponding to the positioning groove, the upper end of the reset spring is sleeved on the positioning boss, and the lower end is inserted into the positioning groove.

[0011] In the above-mentioned double-key self-generating switch, the base extends upward to form an annular protrusion that can surround the electric control groove, and a plurality of connecting blocks are circumferentially distributed on the outer wall surface of the annular protrusion. The lower surface of the protective cover is provided with a cover-mounted groove for the annular protrusion to be inserted, and the groove wall of the cover-mounted groove is provided with connecting grooves that correspond one-to-one with the connecting blocks and snap-fit ​​with them.

[0012] The outstanding advantages of the utility model compared with the prior art are:

[0013] The two push cover plates of the utility model share a self-generating module. When one of the push cover plates is pressed down, the position switch corresponding to the push cover plate is turned on, and the self-generating module is enabled to generate electrical energy, so that the electric control board outputs a corresponding control signal to the outside world according to the position switch. Compared with the prior art, the self-generating switch can meet two control requirements at the same time, effectively saving costs. Description of the drawings:

[0014] Figure 1It is an overall stereogram of the utility model;

[0015] Figure 2 The utility model is an overall explosion Figure 1 ;

[0016] Figure 3 The utility model is an overall explosion Figure 2 .

[0017] In the figure: 1. base; 2. pressing cover plate; 3. electric control board; 4. self-generating module; 5. position switch; 6. driving frame; 7. reset frame; 8. reset spring; 9. accommodating groove; 10. limiting groove; 11. matching plug-in board; 12. electric control groove; 13. protective cover; 14. driving boss; 15. through hole; 16. waterproof rubber sleeve; 17. linkage boss; 18. positioning groove; 19. positioning boss; 20. annular protrusion; 21. connecting block; 22. cover groove; 23. connecting slot. Specific implementation method:

[0018] The present invention is further described below with reference to specific embodiments. Figure 1 —3:

[0019] A double-button self-generating switch includes a base 1, and two push-on cover plates 2 whose rear ends are hinged on the base 1. An electric control board 3 and a self-generating module 4 electrically connected to the electric control board 3 are arranged on the base 1 below the push-on cover plates 2 from top to bottom. A position switch 5 corresponding to the push-on cover plates 2 is arranged on the upper surface of the electric control board 3. A driving frame 6 and a reset frame 7 are hinged on the base 1 outside the self-generating module 4. The rear end of the driving frame 6 and the rear end of the reset frame 7 are stacked up and down, and the rear end of the driving frame 6 and the rear end of the reset frame 7 clamp the driving end of the self-generating module 4 up and down. A reset spring 8 whose elastic force can push the rear end of the reset frame 7 to rotate downward is arranged in the base 1. The front end of the driving frame 6 is a free end and can abut against the front ends of the two push-on cover plates 2. It should be noted that the specific structure adopted by the self-generating module 4 of this product is the prior art, and the principle of how it generates electricity is also the prior art.

[0020] The working principle of the utility model is as follows: one of the pressing cover plates 2 is pressed down so that the position switch 5 corresponding to the pressing cover plate 2 can be opened, and at the same time, the front end of the pressing cover body pushes the front end of the driving frame 6 downward to rotate, so that the rear end of the driving frame 6 overcomes the elastic force of the reset spring 8 to push the driving end of the self-generating module 4 and the rear end of the reset frame 7 upward, and then the self-generating module 4 generates electric energy and transmits it to the electric control board 3, and the electric control board 3 outputs a control signal to the outside according to the position switch 5; and the pressing cover plate 2 is released, and the reset frame 7 pushes the driving end of the self-generating module 4 and the rear end of the driving frame 6 downward under the elastic force of the reset spring 8 to reset, and then the pressing cover plate 2 is pushed by the front end of the driving frame 6 and rotates upward, and at this time, the position switch 5 is closed.

[0021] That is, the two pressing cover plates 2 of the utility model share a self-generating module 4. When one of the pressing cover plates 2 is pressed down, the position switch 5 corresponding to the pressing cover plate 2 is turned on, and the self-generating module 4 is enabled to generate electrical energy, so that the electric control board 3 outputs a corresponding control signal to the outside world according to the position switch 5. Compared with the prior art, the self-generating switch can meet two control requirements at the same time, effectively saving costs.

[0022] Furthermore, in the present embodiment, in order to prevent the push cover plate 2 from being hinged and rotated upward and exposing the components on the base 1, the specific hinged matching structure between the base 1 and the push cover plate 2 is as follows: a receiving groove 9 is provided on the base 1, the rear end of the push cover plate 2 is hinged in the receiving groove 9, and a limiting groove 10 is provided on the lower surface of the front end, and a matching plug plate 11 located in the limiting groove 10 is provided on the bottom surface of the receiving groove 9, and the matching plug plate 11 can limit the rotation angle of the hinged rotation of the push cover plate 2 in the limiting groove 10.

[0023] At the same time, in order to enable the driving frame 6 and the reset frame 7 to be stably hinged and rotated on the base 1, the driving frame 6 is annular in structure, the reset frame 7 is U-shaped in structure, the self-generating module 4 is located between the inner ring side of the driving frame 6 and the U-shaped end arms of the reset frame 7, the middle part of the driving frame 6 and the U-shaped end arms of the reset frame 7 are both hinged on the base 1, and the U-shaped middle part of the reset frame 7 is stacked up and down at the rear end of the driving frame 6 to clamp the driving end of the self-generating module 4.

[0024] In addition, in order to prevent external water from penetrating into the electric control board 3 and the self-generating module 4 and causing damage to the electric control board 3 and the self-generating module 4, an electric control slot 12 is provided on the base 1, and the electric control board 3, the self-generating module 4, the driving frame 6 and the reset frame 7 are all arranged in the electric control slot 12, and a protective cover 13 is provided at the notch of the electric control slot 12, and the reset spring 8 is arranged between the lower surface of the protective cover 13 and the rear end of the reset frame 7, and a driving boss 14 is provided on the front upper surface of the driving frame 6, and a through hole 15 corresponding to the position switch 5 and the driving boss 14 is provided on the protective cover 13, and a waterproof rubber sleeve 16 is provided on the through hole 15, and a linkage boss 17 corresponding to the through hole 15 is provided on the lower surface of the pressing cover plate 2. When the pressing cover plate 2 is rotated downward, the linkage boss 17 presses down the waterproof rubber sleeve 16 and abuts against the corresponding position switch 5 or the driving boss 14. That is, the notch of the electric control slot 12 is covered by the protective cover 13 and the waterproof rubber sleeve 16, so that the electric control board 3 and the self-generating module 4 in the electric control slot 12 can be isolated from the outside world, and the cover plate 2 is pressed down to press the waterproof rubber sleeve 16 through the linkage boss 17, and the waterproof rubber sleeve 16 is elastically deformed and abuts against the corresponding position switch 5 or the driving boss 14, so as to open the position switch 5 and push the front end of the driving frame 6 to rotate downward.

[0025] Furthermore, in order to enable the reset spring 8 to be stably assembled between the protective cover 13 and the reset frame 7, a positioning groove 18 is provided on the upper surface of the rear end of the reset frame 7, and a positioning boss 19 is provided on the lower surface of the protective cover 13 opposite to the positioning groove 18, and the upper end of the reset spring 8 is sleeved on the positioning boss 19 and the lower end is inserted into the positioning groove 18.

[0026] Furthermore, in order to allow the protective cover 13 to be removably mounted on the notch of the electric control slot 12, the base 1 extends upward to form an annular protrusion 20 that can surround the electric control slot 12, and a plurality of connecting blocks 21 are circumferentially distributed on the outer wall surface of the annular protrusion 20, and a cover-mounting groove 22 for inserting the annular protrusion 20 is provided on the lower surface of the protective cover 13, and a connecting groove 23 that corresponds to the connecting block 21 one by one and is snap-fitted is provided on the groove wall of the cover-mounting groove 22.

[0027] The above embodiment is only one of the preferred embodiments of the present utility model, and is not intended to limit the scope of implementation of the present utility model. Therefore, any equivalent changes made based on the shape, structure, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A double-key self-generating switch, characterized in that: The invention comprises a base (1) and two pressing covers (2) whose rear ends are both hinged on the base (1); an electric control board (3) and a self-generating module (4) electrically connected to the electric control board (3) are arranged in order from top to bottom on the base (1) located below the pressing covers (2); a position switch (5) corresponding to the pressing covers (2) is arranged on the upper surface of the electric control board (3); a driving frame (6) and a reset frame (7) are hingedly connected on the base (1) located outside the self-generating module (4); the rear end of the driving frame (6) and the rear end of the reset frame (7) are stacked up and down, and the rear end of the driving frame (6) and the rear end of the reset frame (7) clamp the driving end of the self-generating module (4) up and down; a reset spring (8) whose elastic force can push the rear end of the reset frame (7) to rotate downward is arranged in the base (1); the front end of the driving frame (6) is a free end and can abut against the front ends of the two pressing covers (2).

2. A double-key self-generating switch according to claim 1, characterized in that: The base (1) is provided with a receiving groove (9), the rear end of the pressing cover plate (2) is hinged in the receiving groove (9), and a limiting groove (10) is provided on the lower surface of the front end; a matching plug plate (11) located in the limiting groove (10) is provided on the bottom surface of the receiving groove (9), and the matching plug plate (11) can limit the rotation angle of the pressing cover plate (2) hinged in the limiting groove (10).

3. A double-key self-generating switch according to claim 1, characterized in that: The driving frame (6) is an annular structure, the reset frame (7) is a U-shaped structure, the self-generating module (4) is located between the inner ring side of the driving frame (6) and the two end arms of the U-shape of the reset frame (7), the middle part of the driving frame (6) and the two end arms of the U-shape of the reset frame (7) are both hinged on the base (1), and the U-shaped middle part of the reset frame (7) is stacked up and down at the rear end of the driving frame (6) to clamp the driving end of the self-generating module (4).

4. A double-key self-generating switch according to claim 1, 2 or 3, characterized in that: The base (1) is provided with an electric control slot (12), the electric control board (3), the self-generating module (4), the driving frame (6) and the reset frame (7) are all arranged in the electric control slot (12), a protective cover (13) is provided at the slot of the electric control slot (12), the reset spring (8) is arranged between the lower surface of the protective cover (13) and the rear end of the reset frame (7), a driving boss (14) is provided on the front upper surface of the driving frame (6), a through hole (15) corresponding to the position switch (5) and the driving boss (14) is provided on the protective cover (13), and a waterproof rubber sleeve (16) is provided on the upper surface of the through hole (15), and a linkage boss (17) corresponding to the through hole (15) is provided on the lower surface of the pressing cover (2), and when the pressing cover (2) is rotated downward, the linkage boss (17) presses down the waterproof rubber sleeve (16) and abuts against the corresponding position switch (5) or the driving boss (14).

5. A double-key self-generating switch according to claim 4, characterized in that: A positioning groove (18) is provided on the upper surface of the rear end of the reset frame (7), a positioning convex column (19) is provided on the lower surface of the protective cover (13) and is opposite to the positioning groove (18), and the upper end of the reset spring (8) is sleeved on the positioning convex column (19) and the lower end is inserted into the positioning groove (18).

6. A double-key self-generating switch according to claim 4, characterized in that: The base (1) extends upward to form an annular protrusion (20) capable of surrounding the electric control slot (12); a plurality of connection blocks (21) are circumferentially distributed on the outer wall surface of the annular protrusion (20); a cover-mounting groove (22) for the annular protrusion (20) to be inserted is provided on the lower surface of the protective cover (13); and a connection card groove (23) corresponding to the connection card block (21) and snap-fitting is provided on the groove wall of the cover-mounting groove (22).

Images