Elastic reset structure of switch panel

Abstract

An elastic reset structure of a switch panel is characterized in that a circuit board is installed on a bottom box, two ends of a side edge of the circuit board are respectively provided with a touch switch for controlling different circuits, or the touch switches are respectively arranged at opposite positions of two sides of the circuit board, so that different switch structures are formed, and a key board used for pressing the touch switches is of an integrated structure. The corners of the key board are connected with the bottom box, the key board movably presses the touch switch, the middle of the key board abuts against the elastic arm, the key board forms a structure similar to a'seesaw ', the middle of the'seesaw' abuts against the elastic arm, and the two ends of the'seesaw 'can press the touch switch or leave the touch switch in a front-and-back moving mode; when a user presses the position of a certain area of the key board, the positions of other areas are'warped 'to be far away from the corresponding touch switches, so that the aesthetic property and the circuit control requirement are effectively ensured, and meanwhile, misoperation on other electric appliances can be avoided.

Description

Technical Field

[0001] The present invention relates to a circuit switch panel, and particularly to an elastic structure for driving the panel to reset outward within the switch panel. Background Art

[0002] A switch panel is an important device for connecting a circuit and controlling the on / off of the circuit. Traditional switch panels control the contact and separation of metal elastic pieces through rotatable buttons to achieve the on / off of the circuit, and they generally have disadvantages such as easy aging, easy electric shock, large noise, and poor aesthetics. At the same time, with the development of technology, the reduction of the cost of electrical components, and the popularization of intelligent homes, people are now increasingly choosing switch panels with electronic structures; at the same time, the designs of such switch panels are more diverse, which can greatly improve the aesthetics, better suit various indoor decoration styles, and can also concentrate the buttons for controlling different electrical appliances on the same panel, forming an integrated structure in appearance.

[0003] Existing switch panels are as Figure 1 shown. A circuit board 101 is installed on a bottom box 102, and touch switches 103 for controlling the on / off of the circuit are respectively installed at the four corners of the circuit board. A key panel 104 pressed by a user is installed on the bottom box through a buckle assembly 105, and elastic arms 106 are also installed at the four corner positions of the bottom box. The elastic arms push the key panel outward. By pressing different areas of the key panel A, B, C, D as shown in the figure, the user can correspondingly press the four touch switches. After pressing, the elastic arms push the key panel away again. The switch panel with this kind of structure can not only meet the switching needs of electrical appliances but also effectively improve the aesthetics. However, since the force-bearing position between the key panel and the elastic arms is at the four corners, when a certain position of the key panel is pressed and moved, it will inevitably drive other positions to move; for example, when the user presses the area B shown in the figure, the upper right corner position of the key panel will have a large displacement, thus pressing the touch switch at the upper right corner position of the circuit board. At the same time, there will also be a certain degree of displacement in the areas A and D of the key panel, which is very likely to cause the upper left corner and the lower right corner of the key panel to also press the touch switches at the corresponding positions of the circuit board. As Figure 2 shown, the key panel presses the touch switches on both left and right sides at the same time, ultimately resulting in incorrect control operations for other electrical appliances; especially when the elastic force of the elastic arms decreases, the occurrence frequency of incorrect operations is extremely high. Summary of the Invention

[0004] The purpose of the present invention is to provide an elastic reset structure for a switch panel that can accurately control the operation and reset of the key panel to avoid incorrect operations on other electrical appliances.

[0005] The switch panel elastic reset structure described in the present invention comprises a bottom box equipped with an elastic arm, a circuit board installed on the bottom box and equipped with a touch switch, and a key board for pressing the touch switch; more than two touch switches are installed on the circuit board, and the bottom box is equipped with an elastic arm at the middle part between the two touch switches, the middle part of all or part of the key board is against the elastic arm and the two sides are movably in contact with the two touch switches respectively.

[0006] The switch panel elastic reset structure described in the present invention is a circuit board installed on a base box, and touch switches for controlling different circuits are respectively arranged at both ends of its side, or touch switches are respectively arranged at opposite positions on both sides of the circuit board, thereby forming more than two circuit switch structures, such as a double switch structure with one switch arranged on each side, or a four switch structure with one switch arranged on each corner; on the other hand, the key panel used to press the touch switch is an integrated structure, and its corner positions are interconnected with the base box, so that the key panel can movably press the touch switch, and the middle part of the key panel abuts against the elastic arm, so that the key panel forms a structure similar to a "seesaw", the middle part of the "seesaw" abuts against the elastic arm, and the two ends can move forward and backward to press the touch switch or leave the touch switch. At the same time, through the joint action of multiple elastic arms, when there is no need to press the touch switch, the multiple elastic arms can push the entire key panel outward, so that all positions of the key panel are separated from the touch switches. With this type of elastic reset structure of the switch panel, when the user presses a certain area of ​​the keypad, other areas will "lift up" and move away from the corresponding touch switches, thereby effectively ensuring aesthetics and circuit control requirements while avoiding misoperation of other electrical appliances.

[0007] Preferably, touch switches are respectively installed at the four corners of the circuit board, elastic arms are respectively installed at the middle of the four sides of the bottom box, and the middle of the four sides of the keypad are respectively against the four elastic arms.

[0008] Preferably, there are more than two key panels, touch switches are respectively arranged on the circuit board at two ends opposite to each key panel, and elastic arms are arranged on the bottom box at two sides opposite to the middle of each key panel.

[0009] Preferably, an elastic arm is connected between part of the key panel and the bottom box; the middle of the part of the key panel is opposite to the touch switch on the circuit board, and fixed elastic arms are respectively arranged on the bottom box at positions opposite to both sides of the key panel.

[0010] Preferably, the elastic arm comprises a positioning seat fixedly arranged on the bottom box, and elastic strips are respectively arranged on both sides of the positioning seat, and the ends of the two elastic strips are respectively against the key plate.

[0011] Preferably, one end of the two elastic strips is obliquely extended from the positioning seat toward the key plate, and the other end of the elastic strip is parallel to the inner side surface of the key plate.

[0012] Preferably, the end of the elastic strip is provided with a protruding positioning bump.

[0013] Preferably, positioning holes are provided on all or part of the positioning seats, and corresponding positioning columns inserted into the positioning holes are provided on the key board.

[0014] Preferably, a decorative panel is installed on the outside of the key board.

[0015] Preferably, a display screen is installed on the decorative panel, several protruding fixing bosses are provided in the middle of the bottom box, relief holes are provided at the positions of the circuit board opposite to the fixing bosses, and the fixing bosses are opposite to and in contact with the middle of the key board.

[0016] By setting the elastic reset structure of the switch panel as described above, switch panels with different numbers of keys can be formed to meet different application scenarios, and the structural strength and working stability of the switch panel can also be improved. Description of the Drawings

[0017] Figure 1 is a schematic structural diagram of an existing switch panel.

[0018] Figure 2 is a schematic working diagram of an existing switch panel.

[0019] Figure 3 is a schematic structural diagram of Embodiment 1 of the elastic reset structure of the switch panel of the present invention.

[0020] Figure 4 is Figure 3 an exploded structural diagram of the elastic reset structure of the switch panel shown.

[0021] Figure 5 is a sectional view of the elastic reset structure of the switch panel.

[0022] Figure 6 is a schematic structural diagram of the bottom box and the elastic arms thereon.

[0023] Figure 7 is a schematic structural diagram of the key board.

[0024] Figure 8 is a schematic structural diagram of Embodiment 2 of the elastic reset structure of the switch panel.

[0025] Figure 9 is Figure 8 an exploded structural diagram of the elastic reset structure of the switch panel shown.

[0026] Figure 10 is a schematic structural diagram of Embodiment 3 of the elastic reset structure of the switch panel.

[0027] Figure 11It is a schematic structural diagram of the fourth embodiment of the elastic reset structure of the switch panel. Detailed implementation manners

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0029] It should be noted that if there are directional indications (such as up, down, left, right, front, back, top, bottom, inner, outer, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial...) involved in the embodiments of the present invention, then the directional indications are only used to explain the relative positional relationship and movement conditions between components in a certain specific posture (as shown in the accompanying drawings). If this specific posture changes, the directional indications will also change accordingly.

[0030] If there is a description involving "first" or "second" in the embodiments of the present invention, then the description of "first" or "second" is only for descriptive purposes and cannot be understood as indicating or implying its relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present invention.

[0031] The present invention provides an elastic reset structure for a switch panel.

[0032] Embodiment 1 is as Figures 1-7 shown.

[0033] The elastic reset structure of the switch panel in this embodiment includes a bottom box 1 equipped with elastic arms 4, a circuit board 2 installed on the bottom box and equipped with a touch switch 5, and a key board 3 for pressing the touch switch; touch switches 5 are respectively installed at the four corner positions of the circuit board 2, elastic arms 4 are respectively installed in the middle parts of the four sides of the bottom box 1, and the middle parts of the four sides of the key board 3 are respectively abutted against the four elastic arms.

[0034] For the elastic reset structure of the switch panel, the four opposite corners of the bottom box 1 and the key board 3 are respectively connected by a buckle assembly 6. In addition, a decorative panel 7 is installed on the outside of the key board 3 to improve the aesthetics.

[0035] As Figure 3 、 4As shown in the figure, the circuit board installed on the bottom box has touch switches at its four corners, which are respectively used for on and off control of four different circuits; the keypad is a complete straight board, and the four corners of the keypad are connected to the bottom box through buckle components, so that the keypad will not fall off and can be pressed inward smoothly; and the middle of each side of the keypad interacts with the elastic arms in the middle of each side of the bottom box respectively, and the elastic arms use elastic force to push the keypad outward, and can also allow the user to press the keypad inward through deformation; at the same time, any side of the keypad and its corresponding elastic arm and the two touch switches can form a structure similar to a "seesaw", when the user presses a certain area of ​​the keypad, such as pressing Figure 5 As shown, the A area moves inward, and the B, C, and D areas of the keypad will tilt outward, thereby accurately controlling the on and off of the corresponding circuits while avoiding misoperation of other circuits.

[0036] like Figure 6 , 7 As shown, the elastic arm 4 includes a positioning seat 41 fixedly arranged on the bottom box 1, and elastic strips 42 are respectively arranged on both sides of the positioning seat, and the ends of the two elastic strips are respectively against the key board 3. Through the action of the two elastic strips, not only the working stability of the key board can be improved, but also the other side can be tilted more stably when the user presses one side; in addition, one end of the two elastic strips 42 is inclined and extended from the positioning seat 41 toward the key board 3, and the other end of the elastic strip is arranged parallel to the inner side of the key board, and the end of the elastic strip 42 is provided with a raised positioning bump 43, which can further improve the working stability and accuracy of the key board. In addition, positioning holes 44 can be arranged on all or part of the positioning seat 41, and the key board 3 is correspondingly provided with positioning columns 31 inserted into the positioning holes, so as to improve the positioning accuracy and connection strength, and prevent the key board from sliding horizontally relative to the bottom box and the circuit board to affect the working accuracy.

[0037] like Figure 7 As shown, the key board 3 is provided with protruding pressing columns 32 at the positions opposite to each touch switch 5, and the pressing columns are cross-shaped; the touch switch can be pressed more accurately by pressing the columns. The buckle assembly 6 includes hooks respectively provided on the bottom box 1 and the key board 3, and the hooks are of a "7"-shaped structure, which extend vertically from the bottom box or the key board and then extend horizontally to form a hook portion, and the hook portions of the two hooks face opposite directions, so that the hooks on the bottom box restrict the hooks on the key board to prevent the key board from falling off, and the structure is simple and easy to assemble and disassemble.

[0038] like Figure 4 As shown, the bottom box 1 is provided with a fixing hook 11 for fixing the circuit board 2 and a fixing column 12 abutting against the circuit board, so that the circuit board can be fixedly installed on the bottom box.

[0039] Embodiment 2, as Figure 8 , 9 shown.

[0040] The switch panel elastic reset structure of this embodiment has a display screen 8 installed on the decorative panel 7, so that it can display the on and off conditions of different circuits. A temperature and humidity detector can also be installed on the switch panel, and the corresponding temperature and humidity can be displayed on the display screen, thereby improving the performance and technology of the switch panel. The middle part of the bottom box 1 is provided with a plurality of protruding fixed bosses 13, and a clearance hole 21 is provided at the position where the circuit board and the fixed boss are opposite to each other, which can not only increase the positioning effect, but also make the fixed boss relative to and contact the middle part of the key board. The fixed boss is used as the central fulcrum of the whole "seesaw", so that the panel of the whole four-switch structure can better realize the downward pressure of a certain corner and the tilting of other corners. In addition, this position is also the place least affected by the tilting of the "seesaw", and basically there will be no small movement range, which can facilitate the connection of the display screen on the decorative panel, thereby ensuring the stability and safety performance of the display screen.

[0041] Embodiment three, as Figure 10 shown.

[0042] The switch panel elastic reset structure of this embodiment has more than two keypads 3, and touch switches 5 are respectively provided at the two ends of the circuit board 2 that are opposite to each keypad, and elastic arms 4 are provided at the two sides of the bottom box 1 that are opposite to the middle of each keypad. For example, in this embodiment, two keypads are provided, and elastic arms are provided at the two sides of the bottom box that are opposite to the middle of the two keypads, so as to exert an effect on the two keypads, so that each keypad forms a "seesaw" structure; thereby meeting the use needs of different application scenarios and improving the application range of the switch panel.

[0043] Embodiment 4, as Figure 11 shown.

[0044] The switch panel of the present embodiment has an elastic reset structure, in which an elastic arm 4 is connected between a part of the key panel 3 and the bottom box 1, so that this part of the key panel forms the aforementioned "seesaw" structure; and the middle part of the part of the key panel 3 is opposite to the touch switch on the circuit board 2, and fixed elastic arms 9 are respectively provided at the opposite positions of the bottom box and the two sides of the key panel, so that this part of the key panel forms a single button, which further meets the use needs of different application scenarios and further improves the application range of the switch panel.

[0045] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An elastic reset structure for a switch panel, comprising a bottom box (1) equipped with elastic arms (4), a circuit board (2) mounted on the bottom box and equipped with a touch switch (5), and a key board (3) for pressing the touch switch, characterized in that: The circuit board is equipped with more than two touch switches, and the bottom box is equipped with an elastic arm in the middle between the two touch switches. The middle of all or part of the keypad is against the elastic arm and the two sides are movably in contact with the two touch switches respectively.

2. The elastic reset structure of the switch panel according to claim 1, wherein: Touch switches (5) are respectively installed at the four corners of the circuit board (2), elastic arms (4) are respectively installed at the middle of the four sides of the bottom box (1), and the middle of the four sides of the key board (3) are respectively against the four elastic arms.

3. The elastic reset structure of the switch panel according to claim 1, wherein: There are more than two key panels (3), touch switches (5) are respectively arranged on the circuit board (2) at the two ends opposite to each key panel, and elastic arms (4) are respectively arranged on the bottom box (1) at the two sides opposite to the middle of each key panel.

4. The elastic reset structure of the switch panel according to claim 1, wherein: An elastic arm (4) is connected between the partial key panel (3) and the bottom box (1); the middle of the partial key panel (3) is opposite to the touch switch on the circuit board (2), and fixed elastic arms (9) are respectively arranged at positions on the bottom box opposite to the two sides of the key panel.

5. The elastic reset structure of the switch panel according to any one of claims 1-4, characterized in that: The elastic arm (4) comprises a positioning seat (41) fixedly arranged on the bottom box (1), and elastic strips (42) are respectively arranged on both sides of the positioning seat, and the ends of the two elastic strips are respectively abutted against the key plate (3).

6. The elastic reset structure of the switch panel according to claim 5, wherein: One end of the two elastic strips (42) is obliquely extended from the positioning seat (41) toward the key plate (3), and the other end of the elastic strip is parallel to the inner side surface of the key plate.

7. The elastic reset structure of the switch panel according to claim 6, wherein: A raised positioning bump (43) is provided at the end of the elastic strip (42).

8. The elastic reset structure of the switch panel according to claim 5, wherein: A positioning hole (44) is provided on all or part of the positioning seat (41), and a positioning column (31) inserted into the positioning hole is correspondingly provided on the key plate (3).

9. The elastic reset structure of the switch panel according to any one of claims 1-4, characterized in that: A decorative panel (7) is arranged on the outer side of the key plate (3).

10. The elastic reset structure of the switch panel according to claim 9, wherein: A display screen (8) is mounted on the veneer panel (7), a plurality of protruding fixing bosses (13) are provided in the middle of the bottom box (1), a clearance hole (21) is provided at a position where the circuit board and the fixing bosses are opposite to each other, and the fixing bosses are opposite to and in contact with the middle of the keypad.

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