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CN111223700A - Can realize removable functional components and parts connector of solderless of automatic encapsulation - Google Patents

Can realize removable functional components and parts connector of solderless of automatic encapsulation Download PDF

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Publication number
CN111223700A
CN111223700A CN202010149423.5A CN202010149423A CN111223700A CN 111223700 A CN111223700 A CN 111223700A CN 202010149423 A CN202010149423 A CN 202010149423A CN 111223700 A CN111223700 A CN 111223700A
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cavity
elastic
conductive
functional components
upper cavity
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CN111223700B (en
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钟正祁
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Dongguan Dingte Electronic Technology Co ltd
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Fushan Hongjiachang Electronic Co Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02Details
    • H01H13/10Bases; Stationary contacts mounted thereon
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02Details
    • H01H13/12Movable parts; Contacts mounted thereon

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Abstract

一种可实现自动化封装的免焊可更换功能性元器件连接器,包括弹性腔体、导电弹性体及安装插脚,弹性腔体具有带敞口的上腔体,导电弹性体至少2个或内含至少2个功能型元器件,功能型元器件镶嵌在弹性腔体内且其两端面均设有导电橡胶体,功能型元器件的输入、输出端分别与两端面的导电橡胶体相连,导电弹性体一端面向下伸出弹性腔体底端,另一端面向上伸出上腔体底面,安装插脚设在弹性腔体四角处向上腔体敞口相反方向伸出,通过弹性腔体受挤压实现导电弹性体内含功能型元器件与按键体、PCB线路板迹道之间的连通或断开功能。本发明可满足多个功能型元器件同时连通或断开使用需要且适合自动化安装及免焊、单独更换功能型元器件。

Figure 202010149423

A solder-free replaceable functional component connector that can realize automatic packaging, comprising an elastic cavity, a conductive elastic body and mounting pins, the elastic cavity has an upper cavity with an opening, and the conductive elastic body has at least 2 or inner Contains at least 2 functional components, the functional components are embedded in the elastic cavity and both ends are provided with conductive rubber bodies, the input and output ends of the functional components are respectively connected with the conductive rubber bodies on both ends, and the conductive elastic One end of the body protrudes downward from the bottom end of the elastic cavity, and the other end protrudes upward from the bottom surface of the upper cavity. The installation pins are set at the four corners of the elastic cavity and protrude in the opposite direction of the opening of the upper cavity. The conductive elastomer contains the function of connecting or disconnecting between functional components and the button body and the traces of the PCB circuit board. The invention can meet the need of connecting or disconnecting multiple functional components at the same time, and is suitable for automatic installation, solderless, and individual replacement of functional components.

Figure 202010149423

Description

Can realize removable functional components and parts connector of solderless of automatic encapsulation
Technical Field
The invention relates to the technical field of high polymer elastomer keys, in particular to a welding-free replaceable functional component connector capable of realizing automatic packaging.
Background
The conductive adhesive key industry is an industry born in the 80-90 s of the last century. Aiming at the problem that the traditional non-standard monomer silica gel key is not suitable for the surface mounting process, the surface mounting type silica gel key is provided, namely, a pin support is added to a silica gel key base, and a surface mounting type silica gel key is formed by die pressing.
The invention discloses a switch key with a built-in chip-attachable type replaceable functional component, which is characterized in that an authorized notice number is CN208157288U, the invention name is 'the switch key with a built-in chip-attachable type replaceable functional component', the switch key can realize the switch function by pressing a conductive semi-ring on a control key, staggering a conductive layer structure of a functional component structure area below the conductive semi-ring and connecting and disconnecting with a functional track of a corresponding whole key circuit board open circuit below the conductive semi-ring.
The invention discloses a luminous patch type elastic key, which is characterized in that the name of the invention with the authorization notice number of CN105655174B is 'a luminous patch type elastic key', the elastic key comprises a base and a key software, the key software comprises a key convex body, an elastic software and a conductive contact, the conductive contact is arranged on the lower end face of the key convex body, the conductive contact is annular, the middle part of the annular conductive contact is provided with an encapsulation body of an LED chip, the LED chip and the conductive contact realize electrical interconnection through the wiring of the encapsulation body, the conductive contact, the LED chip and the encapsulation body are connected into a whole, and the on-off control of the luminous LED chip and the PCB circuit function track below the luminous LED chip is realized by pressing the elastic key.
However, the silica gel key in the prior art can only play a role in controlling the connection or disconnection of related function traces or single functions of elements on a PCB (printed circuit board) circuit, cannot be simultaneously connected or disconnected for a plurality of complex application scenes needing to be simultaneously applied to various functional components, and is manually installed with the PCB circuit more than needed, so that the silica gel key is low in working efficiency, is not suitable for large-scale industrial automatic installation and cannot be used for independently replacing damaged functional components, and the application and popularization prospects of the silica gel key are limited.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a key structure which can meet the requirement that a plurality of functional components are connected or disconnected simultaneously so as to meet the use requirement in a complex application scene, and is suitable for large-scale industrial automatic packaging and can replace the damaged functional components individually.
In order to solve the technical problems, one of the technical solutions adopted by the present invention is a solder-free replaceable functional component connector capable of realizing automatic packaging, comprising an elastic cavity, a conductive elastomer and mounting pins, wherein the elastic cavity has an upper cavity with an opening, at least 2 conductive elastomers are embedded in the elastic cavity and contain functional components, and conductive rubber bodies are arranged on two end faces of the conductive elastomers, input ends and output ends of the functional components are respectively connected with the conductive rubber bodies on the two end faces, one end face of the conductive elastomer extends downwards from the bottom end of the elastic cavity, the other end face of the conductive elastomer extends upwards from the bottom surface of the upper cavity, the mounting pins are arranged at four corners of the elastic cavity and extend towards the opposite direction of the opening of the upper cavity, and the functional components and the key body contained in the conductive elastomer are realized by extrusion of the elastic cavity, And the connection or disconnection function between the PCB circuit board traces.
In order to solve the technical problem, the second technical scheme adopted by the invention is a welding-free replaceable functional component connector capable of realizing automatic packaging, which comprises an elastic cavity, a conductive elastomer and mounting pins, wherein the elastic cavity is provided with an upper cavity with an opening, the conductive elastomer is a geometric body provided with at least 2 functional components, the geometric body is embedded in the elastic cavity, the functional components are embedded in the geometric body and are two end surfaces of the geometric body, the two end surfaces of the functional components are respectively provided with a conductive rubber body, the input end and the output end of the functional components are respectively connected with the conductive rubber bodies on the two end surfaces, one end surface of the conductive elastomer downwards extends out of the bottom end of the elastic cavity, the other end surface upwards extends out of the bottom surface of the upper cavity, the mounting pins are arranged at four corners of the elastic cavity and extend out in the opposite direction of the opening of the upper cavity, through the elastic cavity is extruded to realize the function of communication or disconnection between the functional component contained in the conductive elastomer and the key body and between the functional component contained in the conductive elastomer and the PCB trace channel.
In the two schemes:
in order to enhance the heat dissipation performance of the end face of the conductive elastomer, as an improvement of the invention, the end face of the conductive rubber body at the two ends of the conductive elastomer is provided with a nanoparticle layer and a ventilation groove to facilitate heat dissipation.
In order to facilitate the insertion and the positioning of the installation plug pin, the head part of the installation plug pin is a conical body, and the tail part of the installation plug pin is provided with an axial positioning counter bore.
The elastic cavity body is provided with an upper cavity body with an opening, the bottom surface of the upper cavity body is provided with through holes matched with the conductive elastic bodies in number, the inner diameters of the through holes are smaller than the outer diameters of the conductive elastic bodies so that the conductive elastic bodies can be embedded and installed in an interference fit mode, and the opening shape can be any geometric shape.
In order to enhance the heat dissipation of the bottom surface of the elastic cavity, as an improvement of the invention, the bottom surface of the elastic cavity is provided with a heat dissipation air duct to facilitate heat dissipation.
In order to prevent the conductive elastomer from being pressed and switched on by mistake and ensure the correctness of the pressed switching on, as an improvement of the invention, the lower end of the upper cavity is provided with an elastic inclined wall to form a lower cavity with the bottom surface, one end of the conductive elastomer downwards penetrates through the upper cavity and extends to the upper part of the lower cavity, and the other end upwards extends out of the bottom surface of the upper cavity.
Compared with the prior art, the invention can meet the requirement that a plurality of functional components are connected or disconnected simultaneously so as to meet the use requirement in a complex application scene, is suitable for large-scale industrial automatic installation and welding-free, and can replace the damaged functional components independently.
Drawings
FIG. 1 is a top view of one of the structures of the present invention;
3 FIG. 3 2 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 plane 3 A 3- 3 A 3 of 3 one 3 of 3 the 3 structures 3 of 3 the 3 present 3 invention 3; 3
FIG. 3 is a top view of a second structure of the present invention;
3 FIG. 3 4 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 the 3 line 3 A 3- 3 A 3 of 3 a 3 second 3 embodiment 3 of 3 the 3 present 3 invention 3; 3
FIG. 5 is a top view of a third structure of the present invention;
3 FIG. 3 6 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 the 3 line 3 A 3- 3 A 3 of 3 a 3 third 3 embodiment 3 of 3 the 3 present 3 invention 3; 3
FIG. 7 is a top view of a fourth structure of the present invention;
3 FIG. 3 8 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 plane 3 A 3- 3 A 3 of 3 a 3 fourth 3 embodiment 3 of 3 the 3 present 3 invention 3; 3
FIG. 9 is a top view of a fifth embodiment of the present invention;
3 FIG. 3 10 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 plane 3 A 3- 3 A 3 of 3 a 3 fifth 3 embodiment 3 of 3 the 3 present 3 invention 3; 3
FIG. 11 is a top view of a sixth structure of the present invention;
3 FIG. 3 12 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 plane 3 A 3- 3 A 3 of 3 a 3 sixth 3 embodiment 3 of 3 the 3 inventive 3 structure 3; 3
FIG. 13 is a top view of a seventh structure of the present invention;
3 FIG. 3 14 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 plane 3 A 3- 3 A 3 of 3 a 3 seventh 3 embodiment 3 of 3 the 3 inventive 3 structure 3; 3
FIG. 15 is a top view of an eighth embodiment of the inventive structure;
3 FIG. 3 16 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 plane 3 A 3- 3 A 3 of 3 an 3 eighth 3 embodiment 3 of 3 the 3 inventive 3 structure 3; 3
FIG. 17 is a top view of a ninth structure of the present invention;
3 FIG. 3 18 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 plane 3 A 3- 3 A 3 of 3 a 3 ninth 3 embodiment 3 of 3 the 3 inventive 3 structure 3; 3
FIG. 19 is a top view of a tenth aspect of the inventive structure;
3 FIG. 3 20 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 plane 3 A 3- 3 A 3 of 3 a 3 tenth 3 aspect 3 of 3 the 3 inventive 3 structure 3. 3
Detailed Description
The following description will be made with reference to the accompanying drawings and examples, but the present invention is not limited thereto.
Example 1
Fig. 1, fig. 2 shows a can realize removable functional components and parts connector of exempting from to weld of automatic encapsulation, including elastic cavity 1, electrically conductive elastomer 2 and installation participate in 3, elastic cavity 1 has the upper cavity 11 of taking circular open, electrically conductive elastomer 2 includes that functional components and parts are inlayed in elastic cavity 1 and its both ends face all is equipped with the conductive rubber body, functional components and parts's input, the output links to each other with the conductive rubber body of both ends face respectively, 2 terminal surfaces of electrically conductive elastomer stretch out elastic cavity 1 bottom downwards, another terminal surfaces upwards stretches out upper cavity 11 bottom surface, installation is participated in 3 and is established and stretch out to the uncovered opposite direction of upper cavity 11 in elastic cavity 1 four corners department, realize that functional components and parts and button body are contained in the electrically conductive elastomer 2 through elastic cavity 1 by the extrusion, intercommunication or disconnection function between the PCB circuit board track.
The number of the conductive elastic bodies 2 is 4, 1 of the conductive elastic bodies is used as a circle center, and the other 3 conductive elastic bodies are uniformly distributed in an annular array at intervals around the circle center so as to meet the application requirement of a complex scene.
In order to enhance heat dissipation, as an improvement of the present invention, the end faces of the conductive rubber bodies at the two ends of the conductive elastic body 2 are provided with nanoparticle layers and ventilation slots (not shown) for facilitating heat dissipation.
In order to facilitate the insertion of the mounting pin 3, the head of the mounting pin 3 is conical, and the tail of the mounting pin 3 is provided with an axial positioning counter bore 31.
The elastic cavity 1 is provided with an upper cavity 11 with a circular opening, the bottom surface of the upper cavity 11 is provided with through holes matched with the number of the conductive elastic bodies 2, and the inner diameter of each through hole is smaller than the outer diameter of each conductive elastic body 2 so as to be embedded and installed in an interference fit mode.
In order to enhance the heat dissipation of the bottom surface of the elastic cavity 1, as an improvement of the present invention, a heat dissipation air duct (not shown) is disposed on the bottom surface of the elastic cavity 1 to facilitate heat dissipation.
Example 2
Fig. 3 and 4 show a solderless replaceable functional component connector capable of realizing automated packaging, in comparison with embodiment 1, the elastic cavity 1 is changed from an upper cavity 11 with a circular opening to an upper cavity 11 with a square opening, and the rest of the structure is completely the same as that of embodiment 1.
Example 3
FIG. 5 and FIG. 6 show a solder-free replaceable functional device connector capable of realizing automatic packaging, comprising an elastic cavity 1, a conductive elastomer 2 and a mounting pin 3, wherein the elastic cavity 1 has an upper cavity 11 with a circular opening, the lower end of the upper cavity 11 is provided with an elastic inclined wall and a bottom surface to form a lower cavity 12 for preventing the conductive elastomer 2 from being pressed by mistake and ensuring the correctness of the pressed connection, the conductive elastomer 2 contains functional devices embedded in the elastic cavity 1 and both end surfaces thereof are provided with conductive rubber bodies, the input and output ends of the functional devices are respectively connected with the conductive rubber bodies on both end surfaces, one end of the conductive elastomer 2 downwards passes through the upper cavity 11 and extends out of the lower cavity 12, the other end upwards extends out of the bottom surface of the upper cavity 11, the mounting pin 3 is arranged at four corners of the elastic cavity 1 and extends out in the opposite direction of the opening of the upper cavity 11, the elastic cavity 1 is extruded to realize that the functional devices and the key body contained in the conductive, And the connection or disconnection function between the PCB circuit board traces.
The number of the conductive elastic bodies 2 is 4, 1 of the conductive elastic bodies is used as a circle center, and the other 3 conductive elastic bodies are uniformly distributed in an annular array at intervals around the circle center so as to meet the application requirement of a complex scene.
In order to enhance heat dissipation, as an improvement of the present invention, the end faces of the conductive rubber bodies at the two ends of the conductive elastic body 2 are provided with nanoparticle layers and ventilation slots (not shown) for facilitating heat dissipation.
In order to facilitate the insertion of the mounting pin 3, the head of the mounting pin 3 is conical, and the tail of the mounting pin 3 is provided with an axial positioning counter bore 31.
The elastic cavity 1 is provided with an upper cavity 11 with a circular opening, the bottom surface of the upper cavity 11 is provided with through holes matched with the number of the conductive elastic bodies 2, and the inner diameter of each through hole is smaller than the outer diameter of each conductive elastic body 2 so as to be embedded and installed in an interference fit mode.
In order to enhance the heat dissipation of the bottom surface of the elastic cavity 1, as an improvement of the present invention, a heat dissipation air duct (not shown) is disposed on the bottom surface of the elastic cavity 1 to facilitate heat dissipation.
Example 4
Fig. 7 and 8 show a solderless replaceable functional component connector capable of realizing automated packaging, in comparison with embodiment 3, the elastic cavity 1 is changed from having an upper cavity 11 with a circular opening to having an upper cavity 11 with a square opening, and the rest of the structure is completely the same as that of embodiment 3.
Example 5
Fig. 9, fig. 10 shows a can realize removable functional components and parts connector of exempting from to weld of automatic encapsulation, including elastic cavity 1, electrically conductive elastomer 2 and installation participate in 3, elastic cavity 1 has the upper cavity 11 of taking circular open, electrically conductive elastomer 2 includes that functional components and parts are inlayed in elastic cavity 1 and its both ends face all is equipped with the conductive rubber body, functional components and parts's input, the output links to each other with the conductive rubber body of both ends face respectively, 2 terminal surfaces of electrically conductive elastomer stretch out elastic cavity 1 bottom downwards, another terminal surfaces upwards stretches out upper cavity 11 bottom surface, installation is participated in 3 and is established and stretch out to the uncovered opposite direction of upper cavity 11 in elastic cavity 1 four corners department, realize that functional components and parts and button body are contained in the electrically conductive elastomer 2 through elastic cavity 1 extrusion, intercommunication or disconnection function between the PCB circuit board track.
The conductive elastomer 2 is a cuboid, and the number of the functional components on the conductive elastomer is 5, and the functional components are arranged in a line at intervals to meet the application requirement of a complex scene.
In order to enhance heat dissipation, as an improvement of the present invention, the end faces of the conductive rubber bodies at the two ends of the conductive elastic body 2 are provided with nanoparticle layers and ventilation slots (not shown) for facilitating heat dissipation.
In order to facilitate the insertion of the mounting pin 3, the head of the mounting pin 3 is conical, and the tail of the mounting pin 3 is provided with an axial positioning counter bore 31.
The elastic cavity 1 is provided with an upper cavity 11 with a circular opening, the bottom surface of the upper cavity 11 is provided with through holes matched with the number of the conductive elastic bodies 2, and the inner diameter of each through hole is smaller than the outer diameter of each conductive elastic body 2 so as to be embedded and installed in an interference fit mode.
In order to enhance the heat dissipation of the bottom surface of the elastic cavity 1, as an improvement of the present invention, a heat dissipation air duct (not shown) is disposed on the bottom surface of the elastic cavity 1 to facilitate heat dissipation.
Example 6
Fig. 11 and 12 show a solderless replaceable functional component connector capable of realizing automated packaging, in comparison with embodiment 5, the elastic cavity 1 is changed from an upper cavity 11 with a circular opening to an upper cavity 11 with a square opening, and the rest of the structure is completely the same as that of embodiment 5.
Example 7
FIG. 13 and FIG. 14 show a solder-free replaceable functional device connector capable of realizing automatic packaging, comprising an elastic cavity 1, a conductive elastomer 2 and a mounting pin 3, wherein the elastic cavity 1 has an upper cavity 11 with a circular opening, the lower end of the upper cavity 11 is provided with an elastic inclined wall and a bottom surface to form a lower cavity 12 for preventing the conductive elastomer 2 from being pressed by mistake and ensuring the correctness of the pressed connection, the conductive elastomer 2 contains functional devices embedded in the elastic cavity 1 and both end surfaces thereof are provided with conductive rubber bodies, the input and output ends of the functional devices are respectively connected with the conductive rubber bodies on both end surfaces, one end of the conductive elastomer 2 downwards passes through the upper cavity 11 and extends out of the lower cavity 12, the other end upwards extends out of the bottom surface of the upper cavity 11, the mounting pin 3 is arranged at four corners of the elastic cavity 1 and extends out in the opposite direction of the opening of the upper cavity 11, the elastic cavity 1 is extruded to realize that the functional devices and the key body contained in the conductive, And the connection or disconnection function between the PCB circuit board traces.
The conductive elastomer 2 is a cuboid, and the number of the functional components on the conductive elastomer is 5, and the functional components are arranged in a line at intervals to meet the application requirement of a complex scene.
In order to enhance heat dissipation, as an improvement of the present invention, the end faces of the conductive rubber bodies at the two ends of the conductive elastic body 2 are provided with nanoparticle layers and ventilation slots (not shown) for facilitating heat dissipation.
In order to facilitate the insertion of the mounting pin 3, the head of the mounting pin 3 is conical, and the tail of the mounting pin 3 is provided with an axial positioning counter bore 31.
The elastic cavity 1 is provided with an upper cavity 11 with a circular opening, the bottom surface of the upper cavity 11 is provided with through holes matched with the number of the conductive elastic bodies 2, and the inner diameter of each through hole is smaller than the outer diameter of each conductive elastic body 2 so as to be embedded and installed in an interference fit mode.
In order to enhance the heat dissipation of the bottom surface of the elastic cavity 1, as an improvement of the present invention, a heat dissipation air duct (not shown) is disposed on the bottom surface of the elastic cavity 1 to facilitate heat dissipation.
Example 8
Fig. 15 and 16 show a solderless replaceable functional component connector capable of realizing automated packaging, in comparison with embodiment 7, the elastic cavity 1 is changed from the upper cavity 11 with a circular opening to the upper cavity 11 with a square opening, and the rest of the structure is completely consistent with embodiment 7.
Example 9
Fig. 17, fig. 18 shows a can realize removable functional components and parts connector of exempting from to weld of automatic encapsulation, including elastic cavity 1, electrically conductive elastomer 2 and installation participate in 3, elastic cavity 1 has the square open upper cavity 11 of area, electrically conductive elastomer 2 includes that functional components and parts are inlayed in elastic cavity 1 and its both ends face all is equipped with the conductive rubber body, functional components and parts's input, the output links to each other with the conductive rubber body of both ends face respectively, 2 terminal surfaces of electrically conductive elastomer stretch out elastic cavity 1 bottom downwards, another terminal surfaces upwards stretches out upper cavity 11 bottom surface, installation is participated in 3 and is established and stretch out to the uncovered opposite direction of upper cavity 11 in elastic cavity 1 four corners department, realize that functional components and parts and button body are contained in the electrically conductive elastomer 2 through elastic cavity 1 extrusion, intercommunication or disconnection function between the PCB circuit board track.
The conductive elastomer 2 is 2 cuboid that set up in opposite directions, and functional type components and parts quantity is 5 and alternate word arrangement in order to satisfy the application needs of complicated scene on every cuboid.
In order to enhance heat dissipation, as an improvement of the present invention, the end faces of the conductive rubber bodies at the two ends of the conductive elastic body 2 are provided with nanoparticle layers and ventilation slots (not shown) for facilitating heat dissipation.
In order to facilitate the insertion of the mounting pin 3, the head of the mounting pin 3 is conical, and the tail of the mounting pin 3 is provided with an axial positioning counter bore 31.
The elastic cavity 1 is provided with an upper cavity 11 with a square opening, the bottom surface of the upper cavity 11 is provided with through holes which are matched with the number of the conductive elastic bodies 2, and the inner diameter of each through hole is smaller than the outer diameter of each conductive elastic body 2 so as to be embedded and installed in an interference fit mode.
In order to enhance the heat dissipation of the bottom surface of the elastic cavity 1, as an improvement of the present invention, a heat dissipation air duct (not shown) is disposed on the bottom surface of the elastic cavity 1 to facilitate heat dissipation.
Example 10
Fig. 19 and 20 show a solderless replaceable functional device connector capable of realizing automatic packaging, which includes an elastic cavity 1, a conductive elastomer 2 and an installation pin 3, wherein the elastic cavity 1 has an upper cavity 11 with a square opening, the lower end of the upper cavity 11 is provided with an elastic inclined wall and a bottom surface to form a lower cavity 12 to prevent the conductive elastomer 2 from being pressed by mistake and ensure the correctness of the pressed connection, the conductive elastomer 2 contains functional devices embedded in the elastic cavity 1 and both end surfaces thereof are provided with conductive rubber bodies, the input and output ends of the functional devices are respectively connected with the conductive rubber bodies on both end surfaces, one end of the conductive elastomer 2 downwards passes through the upper cavity 11 and extends to the upper part of the lower cavity 12, the other end upwards extends out of the bottom surface of the upper cavity 11, the installation pin 3 is arranged at the four corners of the elastic cavity 1 and extends to the opposite direction of the opening of the upper cavity 11, the conductive elastomer 2 contains functional devices and the key body by extrusion of the elastic cavity 1, And the connection or disconnection function between the PCB circuit board traces.
The conductive elastomer 2 is 2 cuboid that set up in opposite directions, and functional type components and parts quantity is 5 and alternate word arrangement in order to satisfy the application needs of complicated scene on every cuboid.
In order to enhance heat dissipation, as an improvement of the present invention, the end faces of the conductive rubber bodies at the two ends of the conductive elastic body 2 are provided with nanoparticle layers and ventilation slots (not shown) for facilitating heat dissipation.
In order to facilitate the insertion of the mounting pin 3, the head of the mounting pin 3 is conical, and the tail of the mounting pin 3 is provided with an axial positioning counter bore 31.
The elastic cavity 1 is provided with an upper cavity 11 with a square opening, the bottom surface of the upper cavity 11 is provided with through holes which are matched with the number of the conductive elastic bodies 2, and the inner diameter of each through hole is smaller than the outer diameter of each conductive elastic body 2 so as to be embedded and installed in an interference fit mode.
In order to enhance the heat dissipation of the bottom surface of the elastic cavity 1, as an improvement of the present invention, a heat dissipation air duct (not shown) is disposed on the bottom surface of the elastic cavity 1 to facilitate heat dissipation.
When the installation tool is used in cooperation with a PCB (printed circuit board) and a key arranged on the elastic cavity 1, when industrial automatic installation is carried out, the installation manipulator inserts the contact pin into the axial positioning counter bore 31 on the tail part of the installation pin 3 to position and fix the elastic cavity 1, and then controls the conical body at the head part of the installation pin 3 to be inserted into the corresponding installation hole on the PCB to carry out interference fit fixation. When the multifunctional keyboard is used, the PCB circuit board is provided with functional traces, the lower end face of the key is provided with a conductor, when the key is pressed down, the elastic cavity 1 is extruded and deformed, the conductor arranged on the lower end face of the key presses the conductive rubber body on the upper end face of the conductive elastomer 2 below, and meanwhile, the conductive rubber body on the lower end face of the conductive elastomer 2 presses the PCB circuit board traces below, and the conductive rubber body is pressed to avoid welding so as to respectively realize the communication among the key, the functional components contained in the conductive elastomer 2, the PCB circuit board traces and the communication among the functional components contained in the adjacent conductive elastomers 2; when the key is released, the key, the functional components and parts contained in the conductive elastic bodies 2 and the PCB trace channel are disconnected, and the functional components and parts contained in the adjacent conductive elastic bodies 2 are disconnected, so that the control of the connection or disconnection of the functional components and parts is finally realized, and the use requirement under a complex application scene is met. When the functional components in the conductive elastic body 2 are damaged, the damaged single functional components can be disassembled and replaced.
Compared with the prior art, the invention can meet the requirement that a plurality of functional components are connected or disconnected simultaneously so as to meet the use requirement in a complex application scene, is suitable for large-scale industrial automatic installation and welding-free, and can replace the damaged functional components independently.
The embodiments of the present invention have been described in detail with reference to the drawings and examples, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention.

Claims (8)

1. A welding-free replaceable functional component connector capable of realizing automatic packaging comprises an elastic cavity, a conductive elastomer and a mounting pin, wherein the elastic cavity is provided with an upper cavity with an opening, it is characterized in that at least 2 conductive elastic bodies are embedded in the elastic cavity and internally provided with functional components, conductive rubber bodies are arranged on two end faces of each conductive elastic body, the input end and the output end of the functional component are respectively connected with the conductive rubber bodies on the two end faces, one end surface of the conductive elastic body extends downwards out of the bottom end of the elastic cavity body, the other end surface of the conductive elastic body extends upwards out of the bottom surface of the upper cavity body, the installation pins are arranged at the four corners of the elastic cavity and extend out to the opposite direction of the opening of the upper cavity, through the elastic cavity is extruded to realize the function of communication or disconnection between the functional component contained in the conductive elastomer and the key body and between the functional component contained in the conductive elastomer and the PCB trace channel.
2. The utility model provides a can realize removable functional components and parts connector of solderless of automatic encapsulation, includes elastic cavity, conductive elastomer and installation and participates in, elastic cavity has the upper cavity of taking the open, its characterized in that, conductive elastomer is the geometry that is equipped with at least 2 functional components and parts, the geometry is inlayed in the elastic cavity, functional components and parts are inlayed in the geometry and the plane geometry both ends face in both ends, functional components and parts both ends face all is equipped with the conductive rubber body, functional components and parts's input, output link to each other with the conductive rubber body of both ends face respectively, conductive elastomer one end face stretches out downwards elastic cavity bottom, and the other end faces upwards stretches out the upper cavity bottom surface, installation is participated in the elastic cavity four corners department to the open opposite direction of upper cavity stretches out, through the elastic cavity is extruded to realize the function of communication or disconnection between the functional component contained in the conductive elastomer and the key body and between the functional component contained in the conductive elastomer and the PCB trace channel.
3. The device connector of claim 1 or 2, wherein the conductive rubber body has a nanoparticle layer and a ventilation slot on the end surface thereof.
4. The device connector of claim 1 or 2, wherein the mounting pins are tapered at the head and have axial positioning counter bores at the tail.
5. The device connector according to claim 1 or 2, wherein the elastic cavity has an upper cavity with an opening, the bottom of the upper cavity has a number of through holes corresponding to the number of the conductive elastic bodies, and the inner diameter of the through holes is smaller than the outer diameter of the conductive elastic bodies.
6. The solder-free replaceable functional component connector capable of realizing automated packaging according to claim 5, wherein the shape of the opening is any geometric shape.
7. The device connector of claim 6, wherein the bottom surface of the elastic cavity is provided with a heat dissipation channel.
8. The device connector of claim 7, wherein the lower end of the upper cavity has an elastic inclined wall to form a lower cavity with a bottom surface, one end of the conductive elastomer passes through the upper cavity and extends out of the lower cavity, and the other end of the conductive elastomer extends out of the bottom surface of the upper cavity.
CN202010149423.5A 2020-03-04 2020-03-04 A solder-free replaceable functional component connector capable of realizing automated packaging Active CN111223700B (en)

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