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CN-224232562-U - Button assembly and device of electronic instrument

CN224232562UCN 224232562 UCN224232562 UCN 224232562UCN-224232562-U

Abstract

The utility model provides a button assembly of an electronic instrument, which comprises a shell, a button body, a silica gel button and a circuit board, wherein the button body is assembled in the shell, the silica gel button is assembled between the shell and the circuit board, a circle of elastic wall is arranged at the lower part of the silica gel button, a conductive particle layer is arranged at the bottom of the silica gel button, when the button body is pressed, the elastic wall is deformed downwards to enable the conductive particle layer to contact the circuit board, a circuit is conducted, when the button body is released, the elastic wall upwards rebounds to support the button body, so that the conductive particle layer is separated from the circuit board, and the circuit is disconnected. The button assembly does not fall off after being matched with the shell by virtue of the elastic stop block of the button body, realizes the on-off function with the circuit board by virtue of the elastic wall and the conductive particles of the silica gel button, does not need additional welding devices, and has high assembly efficiency and low processing cost.

Inventors

  • YAN YANQING
  • LU HONGLIANG
  • FAN LIANG

Assignees

  • 江苏林洋能源股份有限公司

Dates

Publication Date
20260512
Application Date
20250424

Claims (10)

  1. 1. The button assembly of the electronic instrument is characterized by comprising a shell (1), a button body (2), a silica gel button (7) and a circuit board (10), wherein the button body (2) is assembled in the shell (1), and the silica gel button (7) is assembled between the shell (1) and the circuit board (10); The lower part of the silica gel button (7) is provided with a circle of elastic wall (8) and the bottom is provided with a conductive particle layer (9); When the button body (2) is pressed, the elastic wall (8) is deformed downwards, so that the conductive particle layer (9) contacts the circuit board (10), and the circuit is conducted; When the button body (2) is released, the elastic wall (8) rebounds upwards to support the button body (2) so that the conductive particle layer (9) is separated from the circuit board (10), and at the moment, the circuit is disconnected.
  2. 2. The electronic meter button assembly of claim 1, wherein: A retainer ring (4) is arranged in the middle of the inner wall of the shell (1); The button body (2) be equipped with two symmetrical elastic stop (5), two the distance after elastic stop (5) compress is less than the diameter of retaining ring (4), the distance after the resilience is greater than the diameter of retaining ring (4), can make button body (2) follow the front assembly of shell (1) but not drop.
  3. 3. The button assembly of electronic instrument as claimed in claim 1, wherein the button body (2) is circular, square or elliptical.
  4. 4. The button assembly of the electronic instrument as set forth in claim 2, wherein a blocking rib (3) is arranged in the housing (1), and the blocking rib (3) is located above the retainer ring (4) to form a travel path of the button body (2).
  5. 5. The button assembly of the electronic instrument according to claim 2, wherein the pressing rib (6) is arranged in the shell (1), the pressing rib (6) is positioned below the check ring (4), the silica gel button (7) is assembled on the pressing rib (6) and is pressed between the shell (1) and the circuit board (10).
  6. 6. The button assembly of electronic instrument according to claim 5, wherein the bead (6) is circular.
  7. 7. The button assembly of electronic instrument according to claim 1, wherein the wiring board (10) is a carbon film wiring board.
  8. 8. The button assembly of electronic instrument according to claim 1, wherein the button body (2) is a PC button, a PC+10% GF button, a PC+20% GF button or a POM button.
  9. 9. A button device of an electronic instrument, characterized in that the button device comprises at least two button assemblies according to any one of claims 1-8.
  10. 10. The button device of an electronic instrument according to claim 9, wherein the housings (1) of adjacent button assemblies are connected to each other to form a single body.

Description

Button assembly and device of electronic instrument Technical Field The utility model relates to the field of electric energy meters, in particular to a button assembly and a button assembly device of an electronic instrument. Background In the process of reading and running of an electronic instrument, buttons are usually required to realize functions of waking up, turning up and down, programming and the like. But most of the existing buttons use springs and sealing rings as components, and are matched with mechanical key switches to realize the on-off function of a circuit, so that the following defects exist: 1. The environment of some countries and regions is moist, the temperature difference between day and night is large, the content of air salt fog is high, and metal elements in the mechanical key can be aged rapidly, so that the service life is influenced. 2. The spring and the sealing ring are used as components, so that the material cost and the assembly cost are high, and the assembly efficiency is low. The mechanical key switch needs to be used after being welded with the circuit board, so that the material and processing cost are increased. Disclosure of Invention The utility model aims to solve the problems of low assembly efficiency, high cost and high quality hidden trouble of the existing button assembly, and provides a button assembly and a button assembly device of an electronic instrument, which are simple to assemble, low in cost and reliable in quality. The technical scheme of the utility model is as follows: The utility model provides a button assembly of an electronic instrument, which comprises a shell, a button body, a silica gel button and a circuit board, wherein the button body is assembled in the shell, and the silica gel button is assembled between the shell and the circuit board; The lower part of the silica gel button is provided with a circle of elastic wall, and the bottom of the silica gel button is provided with a conductive particle layer; When the button body is pressed, the elastic wall is deformed downwards, so that the conductive particle layer contacts the circuit board, and the circuit is conducted at the moment; When the button body is released, the elastic wall rebounds upwards to support the button body, so that the conductive particle layer is separated from the circuit board, and the circuit is disconnected. Further, a retainer ring is arranged in the middle of the inner wall of the shell; the button body be equipped with two symmetrical elastic stop, two the elastic stop compresses the back distance and is less than the diameter of retaining ring, the distance after the resilience is greater than the diameter of retaining ring, can make the button body assemble but not drop from the front of shell. Further, the button body is round, square or oval. Further, a blocking rib is arranged in the shell and is positioned above the check ring, so that a travel channel of the button body is formed. Further, the inside of the shell is provided with a pressing rib, the pressing rib is located below the check ring, and the silica gel button is assembled on the pressing rib and is pressed between the shell and the circuit board. Further, the beading is circular. Further, the circuit board adopts a carbon film circuit board. Further, the button body adopts a PC button, a PC+10% GF button, a PC+20% GF button or a POM button. A button device for an electronic meter, said button device comprising at least two of said button assemblies. Further, the housings of adjacent button assemblies are integrally connected to each other. The utility model has the beneficial effects that: The button assembly does not fall off after being matched with the shell by virtue of the elastic stop block of the button body, realizes the on-off function with the circuit board by virtue of the elastic wall and the conductive particles of the silica gel button, does not need additional welding devices, and has high assembly efficiency and low processing cost. The button assembly provided by the utility model adopts the plastic button body and the silica gel button for elastic fit, and has the advantages of good sealing performance, good high temperature resistance, low temperature resistance, good salt spray resistance, long service life and small quality hidden trouble. The button device is used in the electronic instrument, so that the simplification of the processing and manufacturing process of the product is realized, the quality performance of the product is improved, and the comprehensive cost of the instrument is reduced. Additional features and advantages of the utility model will be set forth in the detailed description which follows. Drawings The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular descriptions of exemplary embodiments of the utility model as illustrated in the accompanying drawings wherein like ref