CN216671494U

CN216671494U - Elastic pressure sensing trigger switch and earphone applying same

Info

Publication number: CN216671494U
Application number: CN202122901538.8U
Authority: CN
Inventors: 劳廉旭
Original assignee: Shenzhen Dengchenyi Technology Co ltd
Current assignee: Shenzhen Dengchenyi Technology Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-06-03
Anticipated expiration: 2031-11-24

Abstract

The utility model discloses an elastic pressure sensing trigger switch and an earphone applying the same, and belongs to the technical field of switches. The switch circuit comprises a pad and an elastic pressure-sensitive structure, wherein the pad is connected with the elastic pressure-sensitive structure, the pad is provided with a switch circuit, and the switch circuit can be switched on by pressing the elastic pressure-sensitive structure. Compared with the prior art, the switch is arranged in the earphone, the integrity of a shell of the earphone cannot be damaged, and the switch has excellent waterproof and oil-proof performances; secondly, the switch is triggered by adopting a pressing mode, is not influenced by the change of the ambient temperature and humidity, is more sensitive to use and has more stable performance; thirdly, the elastic pressure-sensitive structure of the switch adopts a structural design similar to Pogo Pin, has the characteristics of good elasticity, strong conductivity, good elasticity, small volume and the like, and is very suitable for being used in electronic products such as earphones and the like; finally, the earphone product using the switch has good integrity, simple structure, low cost and convenient use and popularization.

Description

Elastic pressure sensing trigger switch and earphone applying same

Technical Field

The utility model belongs to the technical field of switches, and particularly relates to an elastic pressure sensing trigger switch and an earphone applying the same.

Background

The switch is a device often used in electronic products, and the switches mainly used in the electronic products at present include a touch switch and a push switch. When the touch switch is used, the sensitivity of the touch switch is influenced by factors such as ambient temperature, humidity, water, dust, oil and the like, the phenomena of mistaken touch, disordered functions and the like easily occur, and the use reliability of the touch switch is seriously influenced. Push switch all sets up outside the casing, need be provided with the pore pair switch on the casing and install, and this kind of setting can influence the integrality and the leakproofness of product casing, and the downthehole water, dust, oil impurity that can be at switch edge can cause the damage to the inside circuit board of product after long-time use, influences the performance and the life of product.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the primary objective of the present invention is to provide an elastic pressure sensing trigger switch, which does not damage the integrity of the product housing and has excellent waterproof and oil-proof properties;

another object of the present invention is to provide an elastic pressure sensing trigger switch, which is more sensitive and has more stable performance;

the final purpose of the utility model is to provide the earphone applying the elastic pressure sensing trigger switch, which has the advantages of stable and simple structure, low research and development and production cost, short customized research and development period and convenient use and popularization.

In order to realize the purpose, the technical scheme of the utility model is as follows:

the utility model provides an elastic pressure sensing trigger switch which comprises a bonding pad and an elastic pressure sensing structure, wherein the bonding pad is connected with the elastic pressure sensing structure, a switch circuit is arranged on the bonding pad, and the switch circuit can be conducted by pressing the elastic pressure sensing structure.

Furthermore, the pad comprises a central pad and an outer ring pad, the outer ring pad surrounds the central pad, a pad isolation region is arranged between the central pad and the outer ring pad, the switch circuit comprises a first circuit and a second circuit, the first circuit is connected to the outer ring pad, the second circuit is connected to the central pad, and the first circuit and the second circuit are disconnected through the pad isolation region. The elastic pressure-sensitive structure comprises a conduction plate, wherein the conduction plate is movably arranged above the bonding pad and can cover the bonding pad isolation region to contact the outer ring bonding pad under the pushing of external pressure so as to realize the conduction of the first circuit and the second circuit. The elastic pressure-sensitive structure further comprises an elastic piece for driving the conduction plate to be separated from the bonding pad isolation area, and the elastic piece is elastically connected with the conduction plate. In the utility model, when pressure is applied to the conduction plate, the conduction plate can be pushed to move downwards to be contacted with the bonding pad, the bonding pad isolation area is covered, the conduction of the first circuit and the second circuit is realized, the switch circuit is switched on, and at the moment, the elastic piece is compressed; when the external pressure is removed, the elastic piece rebounds to drive the conduction plate to be separated from the bonding pad isolation area, and the switch circuit is disconnected.

Furthermore, the central bonding pad is provided with a bonding pad hole, the elastic pressure-sensitive structure further comprises a positioning head matched with the bonding pad hole, the positioning head is arranged below the conduction plate and is installed in the bonding pad hole, the fixing structure is better played, and deflection and structural deflection caused by patch production are prevented.

Further, the structure is felt to elasticity pressure still including pressing the splenium, press the splenium setting in the top of conducting plate, the elastic component is including the spring, the top of location head is provided with connecting portion, the upper end of spring with press splenium fixed connection, the lower extreme and the connecting portion fixed connection of spring, just it dodges the cavity to be provided with and to hold connecting portion and location head with conducting plate according to the splenium. In the utility model, a downward pressure is applied to the pressing part, the pressing part can push the conduction plate to move downwards to be in contact with the bonding pad, the bonding pad isolation region is covered, the conduction of the first circuit and the second circuit is realized, the switch circuit is communicated, at the moment, the spring can contract, and the connecting part and the positioning head can enter the avoiding cavity; when the external pressure is removed, the spring can rebound, the pressing part and the conducting plate can reset under the driving of the resilience force of the spring, and the switch circuit is disconnected.

The utility model provides an earphone applying the elastic pressure sensing trigger switch, which comprises a shell, wherein a PCB (printed circuit board) is arranged in the shell, an installation space is arranged between one side of the shell and the PCB, and the elastic pressure sensing structure is arranged in the installation space.

Furthermore, the pad is installed on the PCB, the pressing part is arranged on the inner surface of the shell, a groove position which is convenient to press is further arranged on the outer surface of the shell, and the groove position corresponds to the pressing part. In the utility model, the casing can be slightly deformed by applying pressure to the slot position, so that the pressing part is pressed, and the control of the switch is realized.

Further, the pressing part is tightly attached to the inner surface of the shell. When the sensitivity of the elastic pressure-sensitive structure is insufficient, the pressing part can be conveniently pressed in a clinging manner.

Further, a buffer space is arranged between the pressing part and the inner surface of the shell. The sensitivity of the elastic pressure-sensitive structure can meet the requirement of the user on the triggering force by customizing the gram number of the spring force. Also can avoid causing unnecessary to press down to pressing the splenium through buffering space, avoid operating the maloperation, promote the user and use experience.

Compared with the prior art, the utility model has the beneficial effects that:

firstly, the elastic pressure sensing trigger switch is arranged in the earphone, so that the integrity of a shell of the earphone cannot be damaged, and the earphone has excellent waterproof and oil-proof properties;

secondly, the switch is triggered by adopting a pressing mode, is not influenced by the change of the ambient temperature and humidity, is more sensitive to use and has more stable performance;

thirdly, the elastic pressure-sensitive structure of the switch adopts a structural design similar to the Pogo Pin, has the characteristics of good elasticity, strong conductivity, good elasticity, small volume and the like, and is very suitable for being used in electronic products such as earphones and the like;

finally, the earphone product using the switch has good integrity, simple structure, low research and development and production cost, short customization and research and development period and convenient use and popularization.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is an internal structural view of the present embodiment.

Fig. 3 is a schematic structural diagram of the elastic pressure sensing trigger switch of the present embodiment.

Fig. 4 is a schematic structural diagram of the elastic pressure-sensitive structure of the present embodiment.

Fig. 5 is a schematic structural diagram of the pad of the present embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As shown in fig. 1-5, the implementation of the present invention is as follows:

the earphone comprises a shell 1 and an elastic pressure sensing trigger switch 2, wherein the elastic pressure sensing trigger switch 2 is arranged in the shell 1.

Elastic pressure sensing trigger switch 2 is including pad 21 and elasticity pressure sensing structure 22, pad 21 is connected with elasticity pressure sensing structure 22, be provided with switch circuit 211 on the pad 21, and can realize through pressing elasticity pressure sensing structure 22 switch circuit 211 switches on.

Including center pad 212 and outer lane pad 213 on the pad 21, outer lane pad 213 encircles outside center pad 212, be provided with pad isolation region 214 between center pad 212 and the outer lane pad 213, switch circuit 211 is including first circuit 215 and second circuit 216, first circuit 215 is connected on outer lane pad 213, second circuit 216 is connected on center pad 212, just first circuit 215 passes through with second circuit 216 pad isolation region 214 disconnection. The elastic pressure-sensitive structure 22 includes a conducting plate 221, and the conducting plate 221 is movably disposed above the pad 21 and can cover the pad isolation region 214 to contact the outer ring pad under the pushing of an external pressure force to realize the conduction between the first line 215 and the second line 216. The elastic pressure-sensitive structure 22 further includes a spring 222 for driving the conducting plate 221 to separate from the pad isolation region 214, and the spring 222 is elastically connected to the conducting plate 221. In this embodiment, when a pressure is applied to the conducting plate 221, the conducting plate 221 can be pushed to move down to contact with the pad 21, the pad isolation region 214 is covered, the first line 215 and the second line 216 are conducted, the switch circuit 211 is turned on, and the spring 222 is compressed; when the applied pressure is removed, the spring 222 rebounds to drive the conducting plate 221 to separate from the pad isolation region 214, and the switch circuit 211 is turned off.

The central pad 212 is provided with a pad hole 217, the elastic pressure-sensitive structure 22 further comprises a positioning head 223 matched with the pad hole 217, and the positioning head 223 is arranged below the conduction plate 221 and installed in the pad hole 217, so that a fixing structure effect is better achieved, and deflection and structural deflection caused by patch production are prevented.

The elastic pressure-sensitive structure 22 further includes a pressing portion 224, the pressing portion 224 is disposed above the conducting plate 221, a connecting portion 225 is disposed above the positioning head 223, the upper end of the spring 222 is fixedly connected to the pressing portion 224, the lower end of the spring 222 is fixedly connected to the connecting portion 225, and an avoiding cavity (not shown) capable of accommodating the connecting portion 225 and the positioning head 223 is disposed in the pressing portion 224 and the conducting plate 221. In this embodiment, by applying a downward pressure to the pressing portion 224, the pressing portion 224 pushes the conducting plate 221 to move downward to contact with the pad, covering the pad isolation region 214, so as to conduct the first line 215 and the second line 216, and the switch circuit 211 is connected, at this time, the spring contracts, and the connecting portion 225 and the positioning head 223 enter the avoiding cavity; when the applied pressure is removed, the spring will rebound, the pressing portion 224 and the conducting plate 221 will be reset by the resilience of the spring, and the switch circuit 211 is turned off.

The PCB is arranged in the shell 1, an installation space 4 is arranged between one side of the shell 1 and the PCB 3, and the elastic pressure-sensitive structure 22 is arranged in the installation space 4.

The bonding pad 21 is installed on the PCB board 3, the pressing portion 224 is arranged on the inner surface of the housing 1, a slot 5 convenient to press is further arranged on the outer surface of the housing 1, and the slot 5 corresponds to the pressing portion 224. In the present invention, by applying pressure to the slot 5, the housing 1 is slightly deformed, and further presses the pressing portion 224, thereby realizing the switch control.

The pressing portion 224 is tightly attached to the inner surface of the housing 1 on the outer surface of the housing 1. When the sensitivity of the elastic pressure-sensitive structure is not sufficient, the pressing portion 224 can be conveniently pressed in a close-fitting manner.

A buffer space 6 is provided between the pressing portion 224 and the inner surface of the housing 1. The sensitivity of the elastic pressure-sensitive structure can meet the requirement of the user on the triggering force by customizing the gram number of the spring force. Also can avoid causing unnecessary to press to pressing the splenium 224 through buffer space 6, avoid the maloperation of operation, promote user to use and experience.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An elastic pressure sensing trigger switch is characterized by comprising a bonding pad and an elastic pressure sensing structure, wherein the bonding pad is connected with the elastic pressure sensing structure, a switch circuit is arranged on the bonding pad, and the switch circuit can be switched on by pressing the elastic pressure sensing structure; including central pad and outer lane pad on the pad, the outer lane pad encircles outside central pad, be provided with the pad isolation region between central pad and the outer lane pad, switch circuit is including first circuit and second circuit, first circuit connection is on the outer lane pad, the second circuit is connected on central pad, just first circuit and second circuit are passed through the pad isolation region disconnection, elasticity pressure is felt the structure including switching on the board, the activity of switching on the board sets up in the top of pad and can cover the pad isolation region under the promotion of external pressure and contact the switching on of outer lane pad realization first circuit and second circuit, elasticity pressure is felt the structure and still including driving the elastic component that switches on the board and break away from the pad isolation region, elastic component and the board elastic connection that switches on.

2. The elastic pressure sensing trigger switch of claim 1, wherein the central pad is provided with a pad hole, and the elastic pressure sensing structure further comprises a positioning head matched with the pad hole, the positioning head is arranged below the conducting plate and mounted in the pad hole.

3. The elastic pressure sensing trigger switch according to claim 2, wherein the elastic pressure sensing structure further comprises a pressing portion disposed above the conduction plate, the elastic member comprises a spring, a connecting portion is disposed above the positioning head, an upper end of the spring is fixedly connected to the pressing portion, a lower end of the spring is fixedly connected to the connecting portion, and an avoiding cavity capable of accommodating the connecting portion and the positioning head is disposed in the pressing portion and the conduction plate.

4. The earphone using the elastic pressure sensing trigger switch according to claim 3, wherein the earphone comprises a housing, a PCB is disposed in the housing, a mounting space is disposed between one side of the housing and the PCB, and the elastic pressure sensing structure is disposed in the mounting space.

5. The earphone according to claim 4, wherein the pad is mounted on a PCB, the pressing portion is disposed on an inner surface of the housing, and a slot for facilitating pressing is further disposed on an outer surface of the housing, the slot corresponding to the pressing portion.

6. The earphone according to claim 4, wherein the pressing portion is closely attached to an inner surface of the casing.

7. The earphone according to claim 4, wherein a buffer space is provided between the pressing part and the inner surface of the casing.