CN207282375U - A kind of single-phase meter silica gel push-button - Google Patents
A kind of single-phase meter silica gel push-button Download PDFInfo
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- CN207282375U CN207282375U CN201721308208.5U CN201721308208U CN207282375U CN 207282375 U CN207282375 U CN 207282375U CN 201721308208 U CN201721308208 U CN 201721308208U CN 207282375 U CN207282375 U CN 207282375U
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- gel push
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Abstract
A kind of single-phase meter silica gel push-button, including key panel and the silica gel push-button that is arranged on key panel, it is characterised in that：The key panel is silica gel push-button panel, silica gel push-button includes button column and button cap, the projection of button column is in the front of key panel, the bottom of button column is connected with button cap, the bottom of button cap is equipped with the conducting film that conducting is contacted with the carbon Key Pad being arranged on the button circuit board at the key panel back side, the key hole planted for button column is offered on button case, the front edge of key panel is convex to be equipped with the sealing strip edge for coordinating the anti-static effect to obtain reinforcing with the installation inner wall sealing of button case.The utility model is not only simple in structure rationally, and cost is low, and installation and removal are very convenient, and obtains preferable water proof and dust proof performance and antistatic effect effect, substantially prolongs the service life of button.
Description
Technical field
It the utility model is related to the technical field of single-phase meter, and in particular to a kind of single-phase meter silica gel push-button.
Background technology
Traditional single-phase meter is by two pieces of board designs, but the design of existing single-phase meter is by one piece of Printed Circuit Board Design
Form.There are following defect during actual use for the single-phase meter of the type：Printed circuit board quantity is more, connects accessory
It is more, it is of high cost, and silica gel push-button area on single-phase meter is small, thickness is broad, and water resistance and antistatic effect are poor, for a long time
After use, dust, water can enter chip internal at button, make the easy failure of button, and not only button service life is shorter, and produce
Moral character can be also extremely unstable.
Through looking into, the Chinese patent of existing Patent No. CN201520836732.4《A kind of digital display intelligent single-phase meter》Button bag
The housing for accommodating button is included, housing is integrally cup-shaped, and the bottom of housing is provided with bow-shaped shrapnel, is provided with above shrapnel
Button, two shoulders and the housing tip wall of button are provided with elastic sealed body, the elasticity on the outside of same plane, button
Seal is coated on the outside of button and housing, and the outside of elastic sealed body is set for fixed pressing plate.Further, institute
Stating elastic sealed body includes sealing matrix, and the sealing matrix is groove-like, and the both ends of groove are extended to both sides and groove-bottom
The parallel extension section in face.This button improves anti-dust performance, but waterproof and antistatic effect or not ideal enough, in structure
On also need to further improve.
The also Chinese patent of Patent No. CN201521007414.3《A kind of water-proof silica-gel button》, it is arranged on panel
Centre and circuit board upper end, it includes button column, and the button column is integrally T-shaped, its both ends is connected by spring respectively
The circuit board is connected to, the lower end of the button column is equipped with contact block, and the upper end of the button column is connected to metallic plate, the metal
The upper end of plate is equipped with upper layer of silica gel, and the lower end of the metallic plate is equipped with lower layer of silica gel, and the lower layer of silica gel surrounds the button
Column, the upper layer of silica gel, the metallic plate and the button column are hemispherical, the upper layer of silica gel, the metallic plate and institute
The edge for stating button column is all connected to the metal fixture block for being arranged on the panel itself, the metal fixture block in a ring, it is described on
Layer of silica gel and the junction of the panel are equipped with antiseepage block, and the antiseepage block is connected by adhesive layer with the panel.It is this
Silica gel push-button has preferable water resistance, but antistatic effect is not improved, it is therefore desirable to designs a kind of tool
Have good waterproof, antistatic property single-phase meter silica gel push-button come meet single-phase meter produce needs.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of conjunction simple in structure for the above-mentioned state of the art
Manage, the single-phase meter silica gel push-button that waterproof and antistatic effect are good.
Technical solution is used by the utility model solves above-mentioned technical problem：A kind of single-phase meter silica gel push-button, including
Key panel and the silica gel push-button being arranged on key panel, it is characterised in that：The key panel is silica gel push-button panel,
Silica gel push-button includes button column and button cap, and the projection of button column is in the front of key panel, bottom and the button cap phase of button column
Connection, the bottom of button cap, which is equipped with, contacts leading for conducting with the carbon Key Pad being arranged on the button circuit board at the key panel back side
Electrolemma, offers the key hole planted for button column on button case, and the front edge of key panel is convex to be equipped with and button
The installation inner wall sealing of case coordinate with obtain reinforcing anti-static effect sealing strip edge.
As an improvement, the button column is oval solid construction, button cap is arc-shaped, the bottom of button column thickeied
Fixation is connected with button cap through key hole.
As an improvement, the key panel is in the corresponding rectangular panel of internal face with button case, key panel week
While projection sealing strip along be rectangle thickening frame while, thickness 1~5mm scopes.
As an improvement, the button column is 12, the key hole on key panel is corresponding 12, arranges and arranges in 3 rows 4
Row, the upper surface of button column is printed with 1 respectively, 2,3,4,5,6,7,8,9, forward arrow, 0, carriage return arrow, totally 12 numerals and
Arrow logo.
Improve again, the outside that the back side of the key panel is located at 12 key holes offers lead key hole mutually respectively
Logical criss-cross groove.
Further, the button circuit board is the corresponding rectangular configuration in the back side with key panel, on button circuit board
12 carbon Key Pads being in contact equipped with the conducting film with silica gel push-button bottom.
Finally, the corner location of the key panel is convexly equipped with the lug being connected with button cap shell phase respectively, on lug
Location hole is offered, button case is equipped with corresponding pin, is connected key panel with button case by pin connection
Positioning.
Compared with prior art, the utility model has the advantage of：In the sealing strip that the surrounding shaping of key panel thickeies
Edge so that sealing strip coordinates along with the inner wall sealing of button case, not only acts as good water proof and dust proof effect, and obtain strong
The anti-static effect of change；Button column is solid construction, and button cap is arc-shaped for what is thickeied, and not only intensity is good and can strengthen anti-quiet
Electric energy power；The corner of key panel is equipped with the location hole being connected with button case so that key panel is connected surely with button case
It is fixed, without departing from.The utility model is not only simple in structure rationally, and cost is low, and installation and removal are very convenient, and is obtained
Preferable water proof and dust proof performance and antistatic effect effect, substantially prolongs the service life of button.
Brief description of the drawings
Fig. 1 is the positive structure schematic of the utility model embodiment；
Fig. 2 is the structure schematic diagram of the utility model embodiment；
Fig. 3 is the key panel and the structure diagram of button case assembling of the utility model embodiment.
Embodiment
The utility model is described in further detail below in conjunction with attached drawing embodiment.
As shown in Figure 1, 2, 3, a kind of single-phase meter silica gel push-button, including key panel 1, the silicon that is arranged on key panel 1
Glue button and the button circuit board arranged on 1 back side of key panel, key panel 1 are silica gel push-button panel, key panel 1 be in
The corresponding rectangular configuration of internal face of button case 20, silica gel push-button include button column 2 and button cap 3, on button case 20
The key hole 21 planted for button column 2 is offered, 2 projection of button column is in the front of key panel 1, and the bottom of button column 2 is with pressing
Keycap 3 is connected, and the bottom of button cap 3 is equipped with the conducting film 4 that conducting is contacted with the carbon Key Pad on button circuit board, key face
The front edge of plate 1 is convex to be equipped with the sealing strip that the sealing of the mounting wall 22 of button case 20 coordinates along 12, and sealing strip is along 12
For the thickening frame side of rectangle, thickness 1~5mm scopes, during installation, key panel 1 is by sealing strip along 12 and button case 20
The sealing of mounting wall 22 coordinates, such to design not only good seal performance, plays dust-proof, waterproof action, avoids dust and water from entering
Key inside, can also obtain the anti-static effect of reinforcing；Button column 2 is oval solid construction, and button cap 3 is the circle thickeied
Arc, can strengthen antistatic effect, and the bottom of button column 2 is connected fixation with button cap 3 through key hole 21, and button column 2 is
12, the key hole 21 on key panel 1 is corresponding 12, and key hole 21 is in the row arrangement of 3 rows 4, the upper surface point of button column 2
Be not printed with 1,2,3,4,5,6,7,8,9, forward arrow, 0, carriage return arrow, totally 12 numerals and arrow logo, button circuit board
For the rectangular configuration to fit with the back side of key panel 1, button circuit board is equipped with 4 phase of conducting film with silica gel push-button bottom
12 carbon Key Pads of contact, the outside that 12 key holes 21 are located at the back side of key panel 1 is also offered button respectively
The criss-cross groove 15 that hole 21 is mutually conducted；Corner location, sealing strip in key panel 1 are convexly equipped with respectively along 12 outside
The lug 13 being connected with button case 20, offers location hole 14 on lug 13, and button case 20 is equipped with corresponding pin
Column 23, positioning is connected by 23 connector of pin by key panel 1 with button case 20.
During installation, key panel 1 is sealed into cooperation by sealing strip along the mounting wall 22 of 12 and button case 20, by button
Location hole 14 on panel 1 is aligned with the pin 23 on button case 20, is fixed with 23 connector of pin, such key panel is not
Only with 20 stable connection of button case, without departing from and good airproof performance has preferable dust-proof, water resistance, also obtains strong
The anti-static effect of change so that button service life is grown, and sensitivity is good.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvements and modifications can also be made, these change
The scope of protection of the utility model is also should be regarded as into retouching.
Claims (7)
1. a kind of single-phase meter silica gel push-button, including key panel and the silica gel push-button that is arranged on key panel, its feature exist
In：The key panel is silica gel push-button panel, and silica gel push-button includes button column and button cap, and button column projection is in key panel
Front, the bottom of button column is connected with button cap, and the bottom of button cap is equipped with the button with being arranged on the key panel back side
Carbon Key Pad on circuit board contacts the conducting film of conducting, and the key hole planted for button column, button are offered on button case
The front edge of panel is convex to be equipped with the cooperation of the installation inner wall sealing of button case to obtain the anti-static effect of reinforcing
Sealing strip edge.
2. single-phase meter silica gel push-button according to claim 1, it is characterised in that：The button column is the solid knot of ellipse
Structure, button cap is arc-shaped for what is thickeied, and the bottom of button column is connected fixation with button cap through key hole.
3. single-phase meter silica gel push-button according to claim 2, it is characterised in that：The key panel be in and button case
The corresponding rectangular panel of internal face, the sealing strip of key panel periphery projection is along the thickening frame side for being rectangle, 1~5mm of thickness
Scope.
4. single-phase meter silica gel push-button according to claim 3, it is characterised in that：The button column is 12, key panel
On key hole be corresponding 12, arrange and arrange in 3 rows 4, the upper surface of button column is printed with 1 respectively, 2,3,4,5,6,7,8,
9th, forward arrow, 0, carriage return arrow, totally 12 numerals and arrow logo.
5. single-phase meter silica gel push-button according to claim 4, it is characterised in that：The back side of the key panel is located at 12
The outside of key hole offers the criss-cross groove that key hole is mutually conducted respectively.
6. single-phase meter silica gel push-button according to claim 5, it is characterised in that：The button circuit board is and key panel
The corresponding rectangular configuration in the back side, button circuit board is equipped with 12 carbon films being in contact with the conducting film of silica gel push-button bottom
Button.
7. the single-phase meter silica gel push-button according to claim 1 to 6 any claim, it is characterised in that：The key face
The corner location of plate is convexly equipped with the lug being connected with button cap shell phase respectively, offers location hole on lug, on button case
Equipped with corresponding pin, key panel is connected by positioning with button case by pin connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721308208.5U CN207282375U (en) | 2017-10-11 | 2017-10-11 | A kind of single-phase meter silica gel push-button |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721308208.5U CN207282375U (en) | 2017-10-11 | 2017-10-11 | A kind of single-phase meter silica gel push-button |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207282375U true CN207282375U (en) | 2018-04-27 |
Family
ID=61989081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721308208.5U Active CN207282375U (en) | 2017-10-11 | 2017-10-11 | A kind of single-phase meter silica gel push-button |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207282375U (en) |
-
2017
- 2017-10-11 CN CN201721308208.5U patent/CN207282375U/en active Active
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