CN215578322U

CN215578322U - Wireless switch panel

Info

Publication number: CN215578322U
Application number: CN202122002227.8U
Authority: CN
Inventors: 钟小宏; 丘赛钦; 李建波; 周军
Original assignee: Guangdong Seneasy Intelligent Technology Co ltd
Current assignee: Guangdong Seneasy Intelligent Technology Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-01-18
Anticipated expiration: 2031-08-24

Abstract

The utility model relates to a wireless switch panel which comprises a detachable key panel, a middle frame, a base and a PCB, wherein the key panel is connected with the middle frame through a first buckle, the PCB is positioned between the base and the middle frame and is fixed on the base through a fixing pin, and the middle frame is buckled with the base through a second buckle. The key panel is in linkage with the first clamping groove after being pressed by the first buckle, and when a key is pressed, the elastic arm on the middle frame plays a role in balancing the key panel and rebounding, so that the key panel is not loosened, neat and not easy to distort; the button panel is connected with the middle frame through the dome spring, and when the button is pressed down, the dome spring acts to generate resilience force and click sound, so that the pressing hand feeling of the button is well reflected; the utility model has simple structure and convenient assembly, is beneficial to reducing the cost and promoting the development of the industry.

Description

Wireless switch panel

Technical Field

The utility model relates to the technical field of switch panel keys, in particular to a wireless switch panel.

Background

The switch is an important component of a home, the switch gradually becomes wireless and intelligent along with the development, and meanwhile, the experience and hand feeling requirements of people on the switch are higher and higher.

The existing switch is mainly characterized in that the difference of the hand feeling of pressing is large, the hand feeling is mainly realized by an internal structure mechanism, some mechanism components are multiple, complex and tedious, the production and assembly of products are difficult, the cost is high, the key board is easy to loosen, and the key panel can be distorted and deformed after the key is used for a long time.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a wireless switch panel for solving the problems of poor hand feeling of the switch keys, complex and tedious components, difficult assembly, short service life and high cost.

A wireless switch panel comprises a key panel, a middle frame, a base and a PCB, wherein the key panel is clamped into the middle frame through a first buckle, the PCB is positioned between the base and the middle frame, the middle frame is buckled with the base through a second buckle,

the key panel comprises a face shell and a metal dome elastic sheet, and the metal dome elastic sheet is positioned on the inner side of the face shell.

In one embodiment, the front shell comprises a key contact and the first buckle, the first buckle is located on the inner side of the front shell and is integrally formed with the front shell, and the key contact is located on one side of the metal dome spring.

In one embodiment, a round small hole is formed in the middle of the first buckle, a guide block is arranged below the round small hole, and the guide block is provided with a first inclined part.

In one embodiment, the middle frame comprises elastic arms, a snap dome contact and first clamping grooves, the elastic arms are located on two sides of the snap dome contact, and the first clamping grooves are matched with the first buckles.

In one embodiment, a clamping column matched with the round small hole is arranged in the first clamping groove, and a second inclined part is arranged on the top side of the clamping column.

In one embodiment, a through hole is further formed in the middle frame, and a return spring is arranged in the through hole.

In one embodiment, the second buckle is located at the bottom of the middle frame and is composed of an elastic rod and a hook claw, the elastic rod is integrally formed with the bottom of the middle frame, and the hook claw is integrally formed with the elastic rod.

In one embodiment, a second clamping groove is formed in the base, the second clamping groove is matched with the second buckle, a downward-inclined limiting buckle is arranged in the second clamping groove, and the limiting buckle and the inner side wall of the second clamping groove are integrally formed.

In one embodiment, a support is arranged on the PCB, the support is fixed on the PCB by a fixing pin, and the PCB is fixed on the base by the fixing pin.

In one embodiment, the wireless switch panel further comprises a rotating shaft, a frame extending downwards is arranged on the periphery of the panel shell, a first groove is arranged on the inner side of the peripheral edge of the middle frame, and the frame falls into the first groove through the rotating shaft.

The wireless switch panel comprises a key panel, a middle frame, a base and a PCB, wherein the key panel is clamped by the first buckle, the PCB is located between the base and the middle frame, the PCB is fixed on the base through the fixing pin, and the middle frame is buckled by the second buckle. The button panel is in linkage with the first clamping groove after being pressed, when the button panel is pressed, the button panel is made to rotate through the rotating shaft, the metal dome elastic sheet contact on the middle frame touches the metal dome elastic sheet to deform, meanwhile, the button panel extrudes the elastic arm to deform under stress, at the moment, the button contact presses the switch, and when the button panel is pressed, the force on the button panel is cancelled, so that the button panel is rebounded to the original state through the rebounding force of the elastic arm and the rebounding force of the metal dome elastic sheet.

According to the utility model, when the key is pressed, the elastic arm on the middle frame plays a role in balancing the key panel and rebounding, so that the key panel is not loosened, neat and not easy to distort and deform; the button panel is connected with the middle frame through the dome spring, and when the button is pressed down, the dome spring acts to generate resilience force and click sound, so that the pressing hand feeling of the button is well reflected; the utility model has simple structure and convenient assembly, and is beneficial to reducing the cost, thereby promoting the development of industry.

Drawings

FIG. 1 is an exploded view of a wireless switch panel according to the present invention;

FIG. 2 is a diagram of the inner structure of a key panel of a wireless switch panel according to the present invention;

FIG. 3 is an enlarged view of a portion of a wireless switch panel according to the present invention;

fig. 4 is a cross-sectional view of a wireless switch panel according to the present invention.

10. The key comprises a key panel, 110, a panel shell, 111, a frame, 112, key contacts, 113, a first buckle, 1131, a round small hole, 1132, a guide connecting block, 1133, a first inclined part, 120, a metal dome elastic sheet, 20, a middle frame, 21, a first groove, 211, a first frame body, 2111, an elastic arm, 2112, a metal dome elastic sheet contact, 2113, a first clamping groove, 21131, a clamping column, 21132, a second inclined part, 212, a second frame body, 213, a separating groove, 2131, a second groove, 2132, a third groove, 214, a through hole, 22, a second buckle, 221, an elastic rod, 222, a claw, 30, a PCB board, 310, a support, 40, a base, 410, a second clamping groove, 420, a limit buckle, 50 and a rotating shaft.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 3, a wireless switch panel for connecting an electric appliance and controlling the switch of the electric appliance to power on and off the electric appliance comprises a detachable key panel 10, a middle frame 20, a base 40 and a PCB 30, wherein the key panel 10 is connected with the middle frame 20, the PCB 30 is located between the base 40 and the middle frame 20, a support 310 is arranged on the PCB 30, the support 310 is fixed on the PCB 30 by a fixing pin, the PCB 30 is fixed on the base 40 by a fixing pin, and the middle frame 20 is buckled with the base 40. The wireless switch panel is used as a switch for controlling the electric appliance, and when the wireless switch panel is touched, the wireless switch panel can change the on-off state of a circuit where the wireless switch panel is located, so that the electric appliance is started and closed.

Further, the key panel 10 includes a face shell 110 and a snap dome 120, and the snap dome 120 is located on the inner side of the face shell 110. Specifically, the bottom of the face shell 110 includes a frame 111, a key contact 112 and a first buckle 113, the key contact 112 and the first buckle 113 are both located in the frame 111, at least two of the first buckles 113 are integrally formed with the bottom of the face shell 110, and the key contact 112 is located on one side of the metal dome 120, so that when a user presses the key panel 10, the hand feeling is well embodied.

Further, the middle of the first buckle 113 is provided with a circular small hole 1131, a guiding block 1132 is arranged below the circular small hole 1131, the guiding block 1132 is provided with a first inclined part 1133, and in the assembling process, the key panel 10 is connected with the middle frame 20, so that the firmness is enhanced.

Furthermore, a first groove 21 is formed in the inner side of the outer peripheral edge of the middle frame 20, a first frame body 211 and a second frame body 212 are symmetrically distributed in the first groove 21, the first frame body 211 and the second frame body 212 have the same structure, a separation groove 213 is formed between the first frame body 211 and the second frame body 212, a second groove 2131 and a third groove 2132 are formed in the separation groove 213, the second groove 2132 is used for placing an LED lamp cover, the third groove 2131 is used for placing a TPU chip, the TPU chip has higher efficiency, and the user experience effect is better.

Still further, the first frame 211 includes elastic arms 2111, snap spring contacts 2112 and first slots 2113, wherein the first slots 2113 are adapted to the first fasteners 113, the number of the first slots 2113 is the same as that of the first fasteners 113, a locking post 21131 adapted to the circular aperture 1131 is disposed in the first slot 2113, a second inclined portion 21132 is disposed on the top side of the locking post 21131, when the key panel 10 is connected to the middle frame 20, the first inclined portion 1133 contacts with the second inclined portion 21132, so that the first fasteners 113 fall into the first slots 2113, and the locking post 31 is locked into the circular aperture 1131, so that the key panel 10 is connected to the middle frame 21120; the arrangement of the first inclined portion 1133 and the second inclined portion 21132 is beneficial to the smoothness during assembly and time and labor saving, and the cooperation of the clamping posts 21131 and the circular small holes 1131 can prevent the key panel 10 from falling off, enhance the connection stability, make the key panel 10 not easy to damage, and help to prolong the service life of the key panel 10; the elastic arms 2111 are positioned at two sides of the snap dome contact 2112 and are used for providing elastic force for the key panel 10; the metal dome contact 2112 is matched with the metal dome 120, when the key panel 10 is pressed, the metal dome contact 2112 touches the metal dome 120 so as to deform the metal dome 120, and the resilience force and the click sound generated by the action of the metal dome 120 can enhance the use hand feeling of a user; in addition, the first frame 211 is further provided with a through hole 214, and the through hole 214 is located on the top side of the elastic arm 2111, and is used for placing a return spring, so as to support the key panel 10.

As shown in fig. 4, a second buckle 22 is disposed at the bottom of the middle frame 20, the second buckle 22 is composed of an elastic rod 221 and a hook 222, the elastic rod 221 is integrally formed with the bottom of the middle frame 20, and the hook 222 is integrally formed with the elastic rod 221.

Further, the base 40 is provided with a second clamping groove 410 matched with the second buckle 22, a downward-inclined limit buckle 420 is arranged in the second clamping groove 410, the limit buckle 420 and the inner side wall of the second clamping groove 410 are integrally formed, the structural stability can be enhanced, and when the middle frame 20 is connected with the base 40, the claw 222 is in contact with the inclined part of the limit buckle 420, so that the second buckle 22 falls into the second clamping groove 410, and at the moment, the claw 222 abuts against the limit buckle 420, so that the middle frame 20 is buckled with the base 40 to prevent falling off.

Furthermore, the wireless switch panel further comprises a rotating shaft 50, when the user presses the key panel 10, one side of the frame 111 passes through the rotating shaft 50 and falls into the first groove 21, when the user presses the key panel 10, the other side of the frame 111 passes through the rotating shaft 50 and falls into the first groove 21, the rotating shaft 50 is convenient for the key panel 10 to rotate when being switched, the smooth degree of the key panel 10 when being switched is increased, the frame 111 limits the rotating range of the key panel 10 through the first groove 21, and the wireless switch panel can be prevented from being damaged due to excessive force.

The wireless switch panel is used for starting and closing an electric appliance and comprises a detachable key panel, a middle frame, a base and a PCB, wherein the key panel passes through a first buckle and the middle frame is connected, the PCB is located between the base and the middle frame and fixed on the base through a fixing pin, and the middle frame passes through a second buckle and the base is buckled. When the key panel is pressed, the key panel rotates through the rotating shaft, at the moment, a metal dome elastic contact on the middle frame touches the metal dome elastic sheet to deform the metal dome elastic sheet, and meanwhile, the key panel extrudes the elastic arm to enable the elastic arm to be pressed downwards under stress, and meanwhile, the return spring contracts downwards; when the force pressing on the key panel is cancelled, the key panel rebounds to the original state through the resilience force of the elastic arm and the resilience force of the metal dome elastic sheet; when the panel is pressed, the elastic arm and the metal dome elastic sheet can generate elastic force which is opposite to the pressing force, and the elastic force is utilized to realize the rebound of the key and the feedback of hand feeling.

In the utility model, the key panel is in linkage with the first clamping groove after being pressed by the first buckle, and when a key is pressed, the elastic arm on the middle frame plays a role in balancing the key panel and rebounding, so that the key panel is not loosened, neat and not easy to distort; the button panel is connected with the middle frame through the dome spring, and when the button is pressed down, the dome spring acts to generate resilience force and click sound, so that the pressing hand feeling of the button is well reflected; the utility model has simple structure and convenient assembly, is beneficial to reducing the cost and promoting the development of the industry.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A wireless switch panel comprises a key panel, a middle frame, a base and a PCB board, and is characterized in that the key panel is clamped into the middle frame through a first buckle, the PCB board is positioned between the base and the middle frame, the middle frame is buckled with the base through a second buckle,

2. The wireless switch panel according to claim 1, wherein the front shell comprises a key contact and the first buckle, the first buckle is located on the inner side of the front shell and is integrally formed with the front shell, and the key contact is located on one side of the snap dome.

3. The wireless switch panel according to claim 2, wherein a circular hole is formed in the middle of the first clip, a connection block is arranged below the circular hole, and the connection block is provided with a first inclined portion.

4. The wireless switch panel according to claim 3, wherein the middle frame comprises elastic arms, a dome spring contact and a first clamping groove, the elastic arms are located on two sides of the dome spring contact, and the first clamping groove is matched with the first buckle.

5. The wireless switch panel as claimed in claim 4, wherein a clip column is disposed in the first clip groove and is matched with the circular hole, and a second inclined portion is disposed on a top side of the clip column.

6. The wireless switch panel according to claim 5, wherein the middle frame is further provided with a through hole, and a return spring is arranged in the through hole.

7. The wireless switch panel according to claim 1, wherein the second latch is located at the bottom of the middle frame and comprises an elastic rod and a hook, the elastic rod is integrally formed with the bottom of the middle frame, and the hook is integrally formed with the elastic rod.

8. The wireless switch panel according to claim 7, wherein the base has a second slot, the second slot is adapted to the second clip, and a downwardly inclined position-limiting buckle is disposed in the second slot, and the position-limiting buckle and the inner sidewall of the second slot are integrally formed.

9. The wireless switch panel according to claim 8, wherein the PCB is provided with a bracket, the bracket is fixed on the PCB by a fixing pin, and the PCB is fixed on the base by the fixing pin.

10. The wireless switch panel according to any one of claims 1 to 9, further comprising a shaft, wherein the periphery of the panel housing is provided with a downwardly extending rim, the inner side of the peripheral edge of the middle frame is provided with a first groove, and the rim falls into the first groove through the shaft.