CN111739749B - Push button - Google Patents
Push button Download PDFInfo
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- CN111739749B CN111739749B CN201910561977.3A CN201910561977A CN111739749B CN 111739749 B CN111739749 B CN 111739749B CN 201910561977 A CN201910561977 A CN 201910561977A CN 111739749 B CN111739749 B CN 111739749B
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- Prior art keywords
- pressing
- circuit board
- cover
- middle frame
- connecting plate
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/14—Operating parts, e.g. push-button
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- Switch Cases, Indication, And Locking (AREA)
- Push-Button Switches (AREA)
Abstract
The invention discloses a button, and belongs to the technical field of electronic products. The button includes press cap and bottom, and sets up the press cap with circuit board between the bottom, the circuit board orientation one side of press cap is provided with trigger switch, still includes the center subassembly, the center subassembly sets up the press cap with between the bottom, the circuit board with the bottom all with center subassembly joint, the press cap with center subassembly selectivity joint, when the press cap is pressed, the press cap can break away from with joint between the center subassembly and trigger switch. According to the invention, the middle frame assembly is arranged, so that the circuit board, the press cover and the bottom cover are connected with the middle frame assembly in a clamping manner, the whole button can be assembled without an installation tool, the assembly efficiency of the button is improved, and the processing cost of the button is reduced.
Description
Technical Field
The invention relates to the technical field of electronic products, in particular to a button.
Background
With the diversification of the types of intelligent equipment of household appliances, one or more intelligent appliances can be controlled by one button, for example, the matching of the button and an intelligent sound box can realize the automatic playing of the sound box and can also realize the function of a doorbell in a matching way; or the button can be matched with the intelligent sound box and the air conditioner at the same time, and different pressing modes can be selected to further realize the control of the intelligent sound box and the air conditioner by setting the operation mode when the button is matched with the intelligent sound box and the air conditioner for use.
Because the button is as the accessory of intelligent electrical apparatus, it is leading to small and exquisite practicality, and the selling mode is mainly given for more, but the equipment mode of present button is complicated, and wherein circuit board etc. of button need screw etc. fixed with the casing, needs special mounting tool to carry out the equipment of each part promptly, and the packaging efficiency is low, has directly influenced the processing cost of button.
Therefore, it is desirable to provide a button to solve the above problems.
Disclosure of Invention
The invention aims to provide a button which is simple in assembly process and does not need to use an installation tool.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a button, includes press cover and bottom, and sets up the press cover with circuit board between the bottom, the circuit board orientation one side of press cover is provided with trigger switch, still includes the center subassembly, the center subassembly sets up the press cover with between the bottom, the circuit board with the bottom all with center subassembly joint, the press cover with center subassembly selectivity joint, when the press cover is pressed, the press cover can break away from with joint between the center subassembly and trigger switch.
As an alternative to the above-mentioned button, the middle frame assembly includes:
a connection board on which the circuit board can be placed;
the frame is arranged along the circumferential direction of the connecting plate, and a first clamping hook extending towards the interior of the frame is arranged on the frame;
one side of the circuit board is supported by the connecting plate, and the other side of the circuit board is abutted against the first clamping hook.
As an alternative of the button, the bottom cover is located on one side of the connecting plate, the bottom cover is provided with a second clamping hook, the connecting plate is provided with a first through hole, and the second clamping hook penetrates through the first through hole and is clamped with the other side of the connecting plate.
As the alternative of above-mentioned button, the frame be provided with can with press the block portion of pressing of press cap selectivity joint, press the block portion and include along the spacing portion and the movable groove that reset that press the direction to set up, the press cap is provided with the third trip, the third trip can with the spacing portion butt that resets, just when the press cap is pressed, the third trip can move in the movable groove in order to keep away from spacing portion resets.
As an alternative of the above-mentioned button, the pressing fastening portion is disposed on the outer side of the frame, the pressing cover includes a flange capable of covering the frame, the inner side of the flange is provided with the third hook, and the third hook is capable of being fastened to the pressing fastening portion from the outer side of the frame.
As an alternative to the above-described button, the connecting plate is provided opposite to the pressing surface of the pressing cap, and the connecting plate is provided with a returning piece configured to move the pressing cap in a direction opposite to the pressing direction.
The pressing cover is provided with a pressing reset column, a second through hole is formed in the position, corresponding to the reset piece, of the circuit board, and the pressing reset column penetrates through the second through hole and abuts against the reset piece.
As an alternative to the above-mentioned push button, the connecting plate is provided with a plurality of the resetting pieces, which are evenly distributed around the center of the connecting plate.
As an alternative of the above-mentioned button, the reset piece is an elastic piece integrally formed with the connecting plate.
As an alternative of the button, the connecting plate is provided with a middle frame positioning column, and the circuit board is provided with a first positioning hole capable of being sleeved with the middle frame positioning column.
As an alternative of the above button, the middle frame positioning column is provided with a second positioning hole along the axis direction thereof, the pressing cover is provided with a pressing positioning column, the bottom cover is provided with a bottom cover positioning column, and the pressing positioning column and the bottom cover positioning column are all arranged in the second positioning hole in a penetrating manner.
As an alternative of the above button, the second positioning hole is a stepped hole, and includes a bottom cover positioning portion with a larger diameter and a pressing cover positioning portion with a smaller diameter, and the bottom cover positioning column can abut against a stepped surface of the stepped hole.
As an alternative of the above button, the pressing positioning column includes a pressing limiting portion and a pressing positioning portion arranged along the pressing direction, the pressing positioning portion can extend into the second positioning hole, and the pressing limiting portion can abut against an end surface of the second positioning hole.
As an alternative to the above button, the bottom cover positioning column is provided with a third positioning hole, and the pressing positioning column can pass through the second positioning hole to reach the third positioning hole.
As an alternative of the above button, the circuit board is located on one side of the connecting plate close to the pressing cover, a power supply installation position is arranged on one side of the circuit board facing the bottom cover, and a third through hole convenient for power supply replacement is arranged on the connecting plate corresponding to the power supply installation position.
As an alternative to the above-described button, the bottom cover is provided with a wrench slot configured to facilitate disengagement of the bottom cover from the center frame assembly.
As an alternative to the above-mentioned button, a side of the bottom cover facing the third through hole is provided with a protrusion for abutting against the power supply in the power supply mounting position.
As an alternative to the above-described push button, a pressing post is provided on a side of the pressing cover facing the circuit board, the pressing post abutting against the trigger switch.
The embodiment of the invention has the following beneficial effects:
through setting up the center subassembly for circuit board, press cap and bottom all are connected with the center subassembly through the mode of joint, and the equipment of whole button need not to accomplish with the help of mounting tool and is connected, has improved the packaging efficiency of button, has reduced the processing cost of button.
Drawings
FIG. 1 is a schematic diagram of a button according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a push button in an embodiment of the invention;
FIG. 3 is a schematic view of a pressing cap according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a bottom cover in an embodiment of the invention;
fig. 5 is a schematic diagram of a first view of a circuit board provided with a trigger switch and a power supply in an embodiment of the present invention;
fig. 6 is a schematic diagram of a second view of a circuit board provided with a trigger switch and a power supply in an embodiment of the present invention;
FIG. 7 is a schematic diagram of a first perspective view of a center frame assembly in an embodiment of the present invention;
FIG. 8 is a structural schematic diagram of a second perspective of a center frame assembly in an embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a clamping connection between the middle frame assembly and the circuit board according to an embodiment of the present invention;
FIG. 10 isbase:Sub>A schematic cross-sectional view A-A of FIG. 1;
FIG. 11 is a schematic cross-sectional view B-B of FIG. 1;
FIG. 12 is an enlarged view at D of FIG. 10;
fig. 13 is a schematic cross-sectional view of C-C in fig. 1.
In the figure:
1. pressing the cover; 11. pressing the column; 12. a third hook; 121. a sliding ramp; 13. pressing the reset column; 14. pressing the positioning column; 141. a pressing limiting part; 142. pressing the positioning part;
2. a bottom cover; 21. a second hook; 22. a bottom cover positioning column; 221. a third positioning hole; 23. a wrench groove; 24. a protrusion;
3. a circuit board; 31. a circuit board is buckled; 32. a card slot; 33. a first positioning hole; 34. a second through hole;
4. a middle frame component;
41. a frame; 411. a first hook; 412. a pressing engagement part; 4121. a reset limiting part; 4122. a movable groove; 4123. a guide slope;
42. a connecting plate; 421. a support portion; 422. a second snap projection; 423. a first through hole; 424. a middle frame positioning column; 4241. a second positioning hole; 425. a spring plate; 426. a third through hole; 4261. an accommodating portion; 4262. the battery is buckled with the hand part; 427. a flange;
5. a trigger switch; 6. a button cell.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements to be referred to must have specific orientations, be constructed in specific orientations, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation that the first and second features are not in direct contact, but are in contact via another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
FIG. 1 is a schematic structural diagram of a push button in the present embodiment; FIG. 2 is a schematic cross-sectional view of a push button in an embodiment of the invention; FIG. 3 is a schematic view of a pressing cap according to an embodiment of the present invention; FIG. 4 is a schematic view of a bottom cover according to an embodiment of the present invention; fig. 5 is a schematic diagram of a first view of a circuit board provided with a trigger switch and a power supply in an embodiment of the present invention; fig. 6 is a schematic diagram of a second view of a circuit board provided with a trigger switch and a power supply in an embodiment of the present invention; FIG. 7 is a schematic diagram of a first perspective view of a center frame assembly in an embodiment of the present invention; FIG. 8 is a structural schematic diagram of a second perspective of a center frame assembly in an embodiment of the present invention; fig. 9 is a schematic structural diagram of clamping the middle frame assembly and the circuit board according to an embodiment of the present invention.
As shown in fig. 1, the present embodiment provides a button, which is an electronic accessory, and can be used in combination with one or more intelligent electronic devices, such as an intelligent sound box, an air conditioner, and a refrigerator, and serve as a remote controller for the intelligent electronic devices to control corresponding operations of the electronic devices. The button comprises a pressing cover 1, a bottom cover 2 and a circuit board 3 provided with a controller, the controller can be in communication connection with other intelligent electronic equipment, and a trigger switch 5 which can be triggered by the pressing cover 1 is arranged on the circuit board 3. After the controller of the button is in communication connection with other electronic equipment, a user can trigger the trigger switch 5 by pressing the pressing cover 1 of the button, so that the other electronic equipment can be controlled indirectly. Specifically, as shown in fig. 3, a pressing column 11 abutting against the trigger switch 5 is provided in the pressing cap 1. Wherein, the optional pressing column 11 is arranged at the center of the pressing cover 1, so that the user can directly apply the pressing force on the pressing column 11 when pressing the pressing cover 1.
As shown in fig. 2, the button further comprises a middle frame assembly 4 which can be clamped with the pressing cover 1, the bottom cover 2 and the circuit board 3, wherein the middle frame assembly 4 is arranged between the pressing cover 1 and the bottom cover 2, the circuit board 3 and the bottom cover 2 are both clamped with the middle frame assembly 4, the pressing cover 1 is selectively clamped with the middle frame assembly 4, and when the pressing cover 1 is pressed, the pressing cover 1 can be separated from the clamping with the middle frame assembly 4 and trigger the trigger switch 5. Through setting up center subassembly 4 for circuit board 3, press cap 1 and bottom 2 all are connected with center subassembly 4 through the mode of joint, and the equipment of whole button need not to accomplish with the help of mounting tool and connect, has improved the packaging efficiency of button, has reduced the processing cost of button.
In this embodiment, as shown in fig. 3, the button is in the shape of an oblate box, and the pressing cover 1 is in the shape of a bowl and includes a pressing portion and a flange axially arranged along the pressing portion; the bottom cover 2 is disc-shaped, and the bottom cover 2 can be matched with the opening of the pressing cover 1 to form an accommodating cavity which can accommodate the circuit board 3; wherein, the middle frame assembly 4 and the circuit board 3 can be positioned in the accommodating cavity, and the turned-over edge can completely cover the frame 41 in the embodiment, so that the internal elements of the button can be positioned in the accommodating cavity, thereby having certain aesthetic property.
Wherein, regarding the joint of center subassembly 4 and circuit board 3: referring to fig. 4, 7 and 9, the middle frame assembly 4 includes a connection plate 42 capable of placing the circuit board 3, and a frame 41 disposed along a circumferential direction of the connection plate 42, wherein optionally, a support portion 421 is protruded from one side of the connection plate 42 facing the press cover 1, and the support portion 421 is located in the frame 41; be provided with on the frame 41 towards the inside first trip 411 that extends of frame 41, one side of circuit board 3 is supported by supporting part 421, and the opposite side is by first trip 411 joint to restriction circuit board 3 breaks away from center subassembly 4, wherein the both sides of circuit board 3 are restricted by supporting part 421 and first trip 411 respectively, thereby have avoided reciprocating of circuit board 3 along pressing the direction. In order to better clamp the circuit board 3, a circuit board clamp 31 may be disposed at a position of the circuit board 3 corresponding to the first clamp hook 411. Meanwhile, a plurality of first hooks 411 may be disposed on the frame 41. In the present embodiment, the outline of the circuit board 3 is matched with the inner outline of the frame 41, and is circular, and three first hooks 411 are uniformly distributed on the frame 41 along the circumferential direction thereof. In addition, in order to prevent the circuit board 3 from rotating around the center frame assembly 4, a first clamping protrusion is arranged on the optional frame 41, and the circuit board 3 is provided with a clamping groove 32 which can be matched with the first clamping protrusion, so that the circuit board 3 is limited to move in the circumferential direction in the center frame assembly 4.
Regarding the clamping of the middle frame assembly 4 and the bottom cover 2: referring to fig. 4, 7, 10 and 11, the bottom cover 2 is provided with a second hook 21, and the bottom cover 2 is located at one side of the connecting plate 42, as shown in fig. 10 and 11, the bottom cover 2 is located below the connecting plate 42, the connecting plate 42 is provided with a first through hole 423, and the second hook 21 passes through the first through hole 423 to be clamped with the other side of the connecting plate 42. Optionally, in order to stably clamp the second hook 21 with the connecting plate 42, a clamping protrusion adapted to the second hook 21 is disposed at a position where the connecting plate 42 is connected to the second hook 21. Wherein the second hook 21 can be engaged with the connecting plate 42 in any direction after passing through the first through hole 423. In this embodiment, four second hooks 21 are uniformly distributed on the bottom cover 2 around the center thereof, wherein one set of two opposite second hooks 21 are both disposed toward the center of the middle frame assembly 4, and the other set of two opposite second hooks 21 are disposed toward the side frame 41, i.e., away from the center of the middle frame assembly 4. Of course, in other embodiments, the second hooks 21 may be disposed toward the frame 41, and may also be disposed toward the center of the middle frame assembly 4. Wherein, the supporting part 421 supports the circuit board 3 back, forms connection space between connecting plate 42, frame 41, circuit board 3 and the supporting part 421, and first through-hole 423 is located circuit board 3 below, and second trip 21 stretches into in connection space from first through-hole 423 to with connecting plate 42 joint, connection space's setting can provide accommodation space for second trip 21, in order to reduce the occupation of button volume on the perpendicular to direction of pressing, does benefit to the miniaturization of button.
Regarding the selective clamping of the middle frame assembly 4 with the press cover 1: referring to fig. 3, 7, 10 and 12, in the present embodiment, the pressing cover 1 is provided with a third hook 12 at the inner side of the flange, and correspondingly, the outer side of the frame 41 is provided with a pressing engaging portion 412 capable of being selectively connected with the pressing cover 1, wherein the pressing direction is opposite to the resetting direction based on that the pressing cover 1 needs to be capable of pressing along the pressing direction and resetting along the resetting direction, so that the pressing engaging portion 412 includes a resetting limiting portion 4121 and a movable groove 4122 arranged along the pressing direction, and the third hook 12 can be limited by the resetting limiting portion 4121 to move along the resetting direction and can move in the movable groove 4122 to approach or depart from the resetting limiting portion 4121. Specifically, the reset limiting portion 4121 includes a first limiting plane perpendicular to the pressing direction, the groove bottom of the movable groove 4122 is provided with a guiding inclined plane 4123, correspondingly, the third hook 12 is provided with a second limiting plane capable of abutting against the first limiting plane, and the third hook 12 is further provided with a sliding inclined plane 121 capable of contacting with the guiding inclined plane 4123. When the pressing cover 1 is pressed, the second limit plane and the first limit plane are away from each other, and the sliding inclined plane 121 is attached to the guide inclined plane 4123; when the pressing cover 1 is reset, the sliding inclined plane 121 and the guiding inclined plane 4123 are away from each other, and the second limiting plane is attached to the first limiting plane to realize clamping. It can be seen that the third hook 12 at the flanging is connected to the pressing engaging portion 412, so that the third hook 12 can abut against the reset limiting portion 4121 along a direction parallel to the pressing direction to prevent the pressing cover 1 from separating from the center frame assembly 4, and meanwhile, the third hook 12 is located in the movable groove 4122 to limit the rotation around the center of the center frame assembly 4. In the present embodiment, three pressing engagement portions 412 are uniformly distributed along the circumferential direction.
A pressing engagement portion 412, which connects the middle frame assembly 4 and the pressing cap 1, is provided outside the frame 41, and enables the pressing cap 1 to move freely in the pressing direction and the returning direction; the circuit board 3 and the bottom cover 2 are clamped with the inner side structure of the frame 41, wherein a first clamping hook 411 used for clamping the circuit board 3 is arranged on the upper portion of the frame 41, the bottom cover 2 directly penetrates through a first through hole 423 to be clamped with a connecting plate 42 located on the inner side of the frame 41, and the clamping position is located on the lower portion of the frame 41. Through will respectively with each block portion rational arrangement on center subassembly 4 of gland 1, circuit board 3 and 2 joint of bottom for the structure of whole button is compacter, does benefit to the miniaturization of button.
Further, in order to better limit the rotation of the circuit board 3, the pressing cover 1 and the bottom cover 2 around the center of the middle frame assembly 4, as shown in fig. 7, a middle frame positioning post 424 may be optionally disposed on the middle frame assembly 4, wherein the middle frame positioning post 424 is disposed off the center of the middle frame assembly 4, accordingly, as shown in fig. 5 and 6, a first positioning hole 33 may be disposed on the circuit board 3, the middle frame positioning post 424 is disposed through the first positioning hole 33, and the edge of the circuit board 3 is limited by the rim 41, so as to limit the rotation of the circuit board 3 around the center of the middle frame assembly 4. In addition, as shown in fig. 3 and 4, the pressing cover 1 and the bottom cover 2 are respectively provided with a pressing positioning post 14 and a bottom cover positioning post 22, wherein the optional middle frame positioning post 424 is provided with a second positioning hole 4241 along the axial direction thereof, as shown in fig. 13, the pressing positioning post 14 and the bottom cover positioning post 22 can respectively penetrate through the second positioning hole 4241 from two sides of the middle frame positioning post 424, so as to prevent the pressing cover 1 and the bottom cover 2 from rotating around the center of the middle frame assembly 4. Moreover, the middle frame assembly 4 can realize circumferential positioning of the circuit board 3, the press cover 1 and the bottom cover 2 through a middle frame positioning column 424, and has simple and reliable structure and convenient assembly, thereby simplifying the positioning mode of the button and improving the overall connectivity of all parts of the button. In this embodiment, the middle frame assembly 4 has two middle frame positioning pillars 424 symmetrically disposed about the center thereof, and the pressing cover 1 has two pressing positioning pillars 14 disposed on two sides of the pressing pillar 11; the bottom cover 2 is provided with two bottom cover positioning columns 22 to improve the positioning reliability of each part in the button.
Further alternatively, referring to fig. 12, the second positioning hole 4241 is a stepped hole, and includes a bottom cover positioning portion with a larger diameter and a pressing cover positioning portion with a smaller diameter, and the bottom cover positioning column 22 can abut against a stepped surface of the stepped hole. The bottom cover locator posts 22 may be selected to be of a correspondingly larger diameter to provide sufficient strength to the bottom cover locator posts 22. In the present embodiment, the bottom cover positioning posts 22 are provided with third positioning holes 221, and the pressing positioning posts 14 can pass through the second positioning holes 4241 to reach the third positioning holes 221, so as to achieve direct positioning between the pressing cover 1 and the bottom cover 2.
Further, as shown in fig. 7, the middle frame positioning post 424 in this embodiment can be a step post, and after the narrow portion of the positioning post is penetrated through by the first positioning hole 33 on the circuit board 3, the positioning post can abut against the step surface of the middle frame positioning post 424, so that the middle frame positioning post 424 can not only limit the circuit board 3 to rotate in the middle frame assembly 4, but also provide a certain supporting function for the circuit board 3.
Alternatively, as shown in fig. 3 and 13, the pressing positioning posts 14 and the middle frame positioning posts 424 cooperate to limit the pressing cover 1 from rotating around the center of the middle frame assembly 4, and to limit the moving distance of the pressing cover 1 in the pressing direction. Specifically, the pressing positioning column 14 may include a pressing limiting portion 141 and a pressing positioning portion 142 arranged along the pressing direction, where the pressing limiting portion 141 and the positioning portion are in a stepped column structure, the pressing positioning portion 142 may extend into the second positioning hole 4241, and the pressing limiting portion 141 may abut against an end surface of the second positioning hole 4241. When the pressing cover 1 is not pressed, a distance exists between the pressing limiting part 141 and the end face of the second positioning hole 4241; when the pressing cap 1 is pressed, the pressing stopper 141 abuts against the end surface of the second positioning hole 4241, that is, the pressing distance of the pressing cap 1 is limited.
In addition, when the pressing cover 1 in the button is reset along the resetting direction, the pushing force provided by the resetting piece is needed. In this embodiment, as shown in fig. 7, the reset element is located in the connection space and is disposed on the connection plate 42, wherein as shown in fig. 5, the circuit board 3 is provided with a second through hole 34, as shown in fig. 11, the pressing cover 1 is provided with a pressing reset column 13 facing the reset element, and the pressing reset column 13 passes through the second through hole 34 and abuts against the reset element. A user presses the pressing cover 1, so that the pressing column 11 presses the trigger switch 5 along the pressing direction, and simultaneously presses the reset column 13 to press the reset piece, and the reset piece deforms and has a tendency of driving the pressing reset column 13 to move along the reset direction; when the user stops pressing the pressing cover 1, the reset piece can drive the pressing reset column 13 to reset. Optionally, the restoring member and the connecting plate 42 are separately provided, or may be integrally formed. The specific optional reset piece is an elastic sheet 425 integrally formed with the connecting plate 42. Wherein, the connecting plate 42 is provided with a plurality of shrapnels 425 which are evenly distributed around the center of the connecting plate 42, so that the whole pressing cover 1 is evenly stressed and the resetting process is stable. In this embodiment, as shown in fig. 7, the portion of the connecting plate 42 located in the connecting space is provided with four elastic pieces 425 around the center of the connecting plate 42, and correspondingly, the pressing cover 1 is provided with four pressing reset columns 13 respectively abutted to the four elastic pieces 425; four of the pressing and resetting columns 13 are positioned around the pressing column 11.
Further, the circuit board 3 is further connected with a power supply for supplying electric energy to the circuit board, wherein the button cell 6 can be selected, the power supply needs to be replaced periodically when the button cell 6 is used, in order to facilitate the button replacement of the power supply, in this embodiment, as shown in fig. 6, a power supply mounting position for mounting the power supply is provided on one side of the circuit board 3 facing the bottom cover 2, wherein as shown in fig. 7, a third through hole 426 corresponding to the power supply mounting position is provided on the connecting plate 42, and the button cell 6 can be replaced directly by opening the bottom cover 2. Further optionally, as shown in fig. 4, the bottom cover 2 is provided with a wrench slot 23, the wrench slot 23 being configured to facilitate disengagement of the bottom cover 2 from the center frame assembly 4. Optionally, as shown in fig. 7, the third through hole 426 includes a receiving portion 4261 for receiving a battery and a battery fastening hand portion 4262 for taking and placing the battery at an edge, the receiving portion 4261 is communicated with the battery fastening hand portion 4262, and a user can place a finger behind the battery fastening hand portion 4262 and contact with a side wall of the battery, so as to take out the button battery 6.
In addition, in order to ensure that the button cell 6 can provide electric energy for the button, the button cell 6 needs to be stably connected with a power supply mounting position arranged on the circuit board 3, and usually, the bottom cover 2 can be directly placed downwards or placed in a vertical state. When bottom 2 was placed down, the power installation position opening that circuit board 3 set up was towards bottom 2, and button cell 6 is installed very probably down promptly after, for avoiding button cell 6 to break away from the power installation position under self action of gravity, as shown in fig. 4, 10 and 11, bottom 2 is provided with arch 24 towards one side of power installation position, and arch 24 can with button cell 6 terminal surface butt in order to avoid button cell 6 to break away from the power installation position under self action of gravity. Further alternatively, as shown in fig. 8, the connecting plate 42 is provided with a plurality of flanges 427 at intervals at an end of the sidewall of the third through hole 426 close to the bottom cover 2 for clipping the button cell 6. When the bottom cover 2 is placed in a vertical state, the sidewall of the third through hole 426 can limit the button cell 6 to be separated from the battery mounting position under the action of gravity, and meanwhile, the protrusions 24 on the bottom cover 2 and the flanges 427 on the sidewall of the third through hole 426 can realize multi-directional fixation of the button cell 6, so as to ensure stable electrical connection between the button cell 6 and the circuit board 3.
In the description herein, it is to be understood that the terms "upper", "lower", "right", and the like are based on the orientations and positional relationships shown in the drawings and are used for convenience in description and simplicity in operation, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be constructed in a particular operation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single technical solution, and such description is for clarity only, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that may be understood by those skilled in the art.
The technical principles of the present invention have been described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (8)
1. A button comprises a pressing cover (1), a bottom cover (2) and a circuit board (3) arranged between the pressing cover (1) and the bottom cover (2), wherein a trigger switch (5) is arranged on one side, facing the pressing cover (1), of the circuit board (3), and is characterized by further comprising a middle frame assembly (4), the middle frame assembly (4) is arranged between the pressing cover (1) and the bottom cover (2), the circuit board (3) and the bottom cover (2) are both clamped with the middle frame assembly (4), the pressing cover (1) is selectively clamped with the middle frame assembly (4), and when the pressing cover (1) is pressed, the pressing cover (1) can be separated from the clamping with the middle frame assembly (4) and trigger the trigger switch (5);
the middle frame assembly (4) comprises a connecting plate (42) and a frame (41), the frame (41) is arranged along the circumferential direction of the connecting plate (42), the frame (41) is provided with a pressing clamping part (412) capable of being selectively clamped with the pressing cover (1), the pressing clamping part (412) comprises a reset limiting part (4121) and a movable groove (4122) which are arranged along the pressing direction, the pressing cover (1) is provided with a third clamping hook (12), the third clamping hook (12) can be abutted against the reset limiting part (4121), and when the pressing cover (1) is pressed, the third clamping hook (12) can move in the movable groove (4122) to be far away from the reset limiting part (4121);
the connecting plate (42) is provided with a middle frame positioning column (424), the middle frame positioning column (424) is provided with a second positioning hole (4241) along the axis direction of the middle frame positioning column, the pressing cover (1) is provided with a pressing positioning column (14), the bottom cover (2) is provided with a bottom cover positioning column (22), and the pressing positioning column (14) and the bottom cover positioning column (22) are arranged in the second positioning hole (4241) in a penetrating mode.
2. The push button according to claim 1, characterized in that the connection board (42) can be placed on the circuit board (3), and the rim (41) is provided with a first hook (411) extending towards the inside of the rim (41);
one side of the circuit board (3) is supported by the connecting plate (42), and the other side of the circuit board is abutted against the first clamping hook (411).
3. The push button according to claim 1, wherein the bottom cover (2) is located at one side of the connecting plate (42), the bottom cover (2) is provided with a second hook (21), the connecting plate (42) is provided with a first through hole (423), and the second hook (21) is engaged with the other side of the connecting plate (42) through the first through hole (423).
4. The button according to claim 1, wherein the pressing engagement portion (412) is disposed on an outer side of the frame (41), the pressing cover (1) comprises a flange capable of covering the frame (41), the third hook (12) is disposed on an inner side of the flange, and the third hook (12) is capable of engaging with the pressing engagement portion (412) from an outer side of the frame (41).
5. Push button according to claim 1, wherein the connecting plate (42) is arranged opposite to a pressing surface of the press cap (1), the connecting plate (42) being provided with a reset element configured to enable a movement of the press cap (1) in a direction opposite to the pressing direction.
6. The pushbutton as recited in claim 2, wherein the circuit board (3) is provided with a first positioning hole (33) capable of being sleeved with the middle frame positioning post (424).
7. The pushbutton according to claim 2, characterized in that the circuit board (3) is located on a side of the connecting plate (42) close to the pressing cap (1), a side of the circuit board (3) facing the bottom cap (2) is provided with a power supply mounting location, and the connecting plate (42) is provided with a third through hole (426) corresponding to the power supply mounting location for facilitating power supply replacement.
8. Button according to claim 7, wherein the bottom cover (2) is provided with a wrench groove (23), the wrench groove (23) being configured to facilitate disengagement of the bottom cover (2) from the middle frame assembly (4).
Priority Applications (1)
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CN201910561977.3A CN111739749B (en) | 2019-06-26 | 2019-06-26 | Push button |
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CN201910561977.3A CN111739749B (en) | 2019-06-26 | 2019-06-26 | Push button |
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CN111739749B true CN111739749B (en) | 2022-12-02 |
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