CN210200601U - Double-layer waterproof key panel structure - Google Patents
Double-layer waterproof key panel structure Download PDFInfo
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- CN210200601U CN210200601U CN201921420714.2U CN201921420714U CN210200601U CN 210200601 U CN210200601 U CN 210200601U CN 201921420714 U CN201921420714 U CN 201921420714U CN 210200601 U CN210200601 U CN 210200601U
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- circuit board
- casing
- silica gel
- double
- support piece
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000000741 silica gel Substances 0.000 claims abstract description 43
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 43
- 210000003205 muscle Anatomy 0.000 claims abstract description 28
- 230000000694 effects Effects 0.000 abstract description 10
- 238000005516 engineering process Methods 0.000 description 5
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
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- Push-Button Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model discloses a double-deck waterproof key panel structure, including last casing, silica gel cover, circuit board and lower casing, silica gel cover is located the lower extreme of going up the casing, the outward flange clamp of silica gel cover in go up the casing with between the casing down, the circuit board is fixed in the inside of casing down, the lower extreme of going up the casing is fixed in the upper end of casing down, the bottom of going up the casing is equipped with the first protruding muscle of annular, first protruding muscle imbed in the outward flange of silica gel cover, the top of casing is equipped with the protruding muscle of annular second down, the protruding muscle of second is close to the outward flange setting of silica gel cover, just the protruding muscle of second imbed in go up the bottom of casing. The utility model provides the high leakproofness need not add waterproof part, simple structure, and water-proof effects is high.
Description
Technical Field
The utility model relates to a keypad technical field especially relates to a double-deck waterproof keypad structure.
Background
Domestic appliance is modern life and uses more product, and the structural style that adopts key switch control is more general, and domestic appliance uses under environment such as moist kitchen usually, and waterproof performance can lead to inefficacy inadequately, and life-span reduces under the long-term use.
At present, products on the market only carry out ordinary protection, if waterproof through modes such as adding waterproof packing ring, waterproof glue, the water-proof effects of these modes are not ideal, long-term use can lead to into steam, leads to button panel circuit short circuit and inefficacy.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a double-deck waterproof key panel structure adopts double-deck waterproof mode, need not add waterproof part, and simple structure effectively improves key panel's water-proof effects.
To achieve the purpose, the utility model adopts the following technical proposal:
a double-layer waterproof key panel structure comprises an upper shell, a silica gel sleeve, a circuit board and a lower shell, wherein the silica gel sleeve is sleeved at the lower end of the upper shell, the outer edge of the silica gel sleeve is clamped between the upper shell and the lower shell, the circuit board is fixed inside the lower shell, and the lower end of the upper shell is fixed at the upper end of the lower shell;
the bottom of going up the casing is equipped with annular first protruding muscle the first protruding muscle imbed in the outward flange of silica gel cover, the top of casing is equipped with annular second protruding muscle down, the protruding muscle of second is close to the outward flange setting of silica gel cover, just the protruding muscle of second imbed in the bottom of going up the casing.
Preferably, still include at least one first switch that dabs, the upper surface of going up the casing be equipped with the corresponding touch button of first switch that dabs, the one end of first switch that dabs is fixed in the top of circuit board, the other end of first switch that dabs passes the silica gel cover and with the touch button pastes mutually.
Preferably, the top of circuit board is equipped with at least one second and lightly touches the switch, the silica gel cover be equipped with protruding in the key cap of silica gel cover, the inside of key cap is hollow structure, every the bottom of key cap is equipped with the orientation respectively the first boss that the top of circuit board extends, first boss with the second lightly touches the switch one-to-one setting, just the top that the second lightly touched the switch is close to the bottom setting of first boss, the upper surface of going up the casing be equipped with the corresponding mechanical button of key cap, the key cap cover is located the lower extreme of button, just the upper surface of key cap is close to the button setting.
Preferably, the bottom of first boss is equipped with first calorie of hole, the second is touched the switch and is inserted first calorie of hole, just the top of second is touched the switch lightly and is close to the hole bottom setting in first calorie of hole.
Preferably, the bottom of silica gel cover is equipped with a plurality of first supports piece, first support piece with the circuit board offsets, and every first light touch switch sets up respectively between two adjacent first supports piece.
Preferably, the bottom of silica gel cover is equipped with a plurality of second support piece, the second support piece with the circuit board offsets, and every the second light touch switch sets up respectively between two adjacent second support piece.
Preferably, the left end and the right end of the lower shell are provided with first grooves, the left end and the right end of the upper shell are provided with supporting columns matched with the first grooves of the lower shell, and the supporting columns are inserted into the first grooves of the lower shell.
Preferably, the outward flange of silica gel cover is equipped with the orientation the second boss that extends of casing direction down, the second boss is ring structure, down the casing be equipped with the corresponding second recess of second boss, the embedding of second boss the second recess.
Preferably, the electronic device further comprises a plurality of third supporting members, one end of each third supporting member is fixed to the circuit board, and the other end of each third supporting member is fixed to the bottom surface of the inside of the lower housing.
Preferably, the third supporting member includes a fourth supporting member and a fifth supporting member, the fourth supporting member is a cylindrical structure, one end of the fourth supporting member is fixed to the left side of the circuit board, the other end of the fourth supporting member is fixed to the bottom surface of the inside of the lower case, one end of the fifth supporting member is fixed to the right side of the circuit board, the other end of the fifth supporting member is fixed to the bottom surface of the inside of the lower case, and the horizontal height of the left side of the circuit board is lower than the horizontal height of the right side of the circuit board.
The double-layer waterproof key panel structure adopts double-layer waterproof protection, improves the sealing property, does not need to add waterproof parts, and has simple structure and high waterproof effect. Waterproof layer in the outward flange that the first protruding muscle through last casing compressed tightly the silica gel cover forms, and the protruding muscle of second of casing passes through the bottom of ultrasonic wave technology embedding upper housing and forms outer waterproof layer down, can not only realize double-deck water proof, and the protruding muscle of second of casing passes through the bottom of ultrasonic wave technology embedding upper housing moreover and can increase the fastness of casing and lower casing down, improves the whole fastness of key panel structure, just the protruding muscle of second pass through the ultrasonic wave technology imbed in go up the bottom of casing.
Drawings
The accompanying drawings are provided to further illustrate the present invention, but the content in the accompanying drawings does not constitute any limitation to the present invention.
Fig. 1 is a cross-sectional view of a double-layered waterproof keypad structure according to an embodiment of the present invention;
fig. 2 is a partial enlarged view of view a of one embodiment of the present invention;
fig. 3 is a schematic structural diagram of a double-layer waterproof key panel structure according to an embodiment of the present invention;
fig. 4 is a cross-sectional view of a double-layer waterproof keypad structure according to an embodiment of the present invention;
wherein: an upper case 1; a first rib 11; a support column 12; a silica gel sleeve 2; a key cap 21; a first boss 22; a first chucking hole 23; a first support 24; a second support 25; a circuit board 3; a second tact switch 31; a second boss 32; a lower case 4; the second ribs 41; the first groove 42; a second groove 43; a first tact switch 51; touch keys 52; a mechanical key 53; a third support 6; a fourth support 61; and a fifth support 62.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Example 1
The double-layer waterproof key panel structure of the embodiment is shown in fig. 1 and fig. 2, and includes an upper casing 1, a silica gel sleeve 2, a circuit board 3 and a lower casing 4, where the silica gel sleeve 2 is sleeved on the lower end of the upper casing 1, the outer edge of the silica gel sleeve 2 is clamped between the upper casing 1 and the lower casing 4, the circuit board 3 is fixed inside the lower casing 4, and the lower end of the upper casing 1 is fixed on the upper end of the lower casing 4;
go up the bottom of casing 1 and be equipped with annular first protruding muscle 11, first protruding muscle 11 imbed in the outward flange of silica gel cover 2, the top of casing 4 is equipped with annular second protruding muscle 41 down, second protruding muscle 41 is close to the outward flange setting of silica gel cover 2, just second protruding muscle 41 imbed in go up the bottom of casing 1.
Double-deck waterproof key panel structure adopts double-deck waterproof protection, has improved the leakproofness, need not add waterproof part, simple structure, and water-proof effects is high. Waterproof layer in the outward flange that first protruding muscle 11 through last casing 1 compressed tightly silica gel cover 3 formed, and casing 1's bottom formation outer waterproof layer is gone up in the embedding of casing 4's the protruding muscle 41 of second through ultrasonic wave technology down, can not only realize double-deck water proof, and casing 1's bottom is gone up in the embedding of casing 4's the protruding muscle 41 of second through ultrasonic wave technology down in addition, can increase casing 1 and casing 4's fastness down, improves the whole fastness of keypad structure. And the second rib 41 is embedded in the bottom end of the upper case 1 by an ultrasonic process.
Preferably, as shown in fig. 1, the top of circuit board 3 is equipped with at least one second light touch switch 31, silica gel cover 2 be equipped with protruding in the key cap 21 of silica gel cover, the inside of key cap 21 is hollow structure, every the bottom of key cap 21 is equipped with the orientation respectively the first boss 22 that the top of circuit board 3 extends, first boss 22 with the second light touch switch 31 one-to-one sets up, just the top of second light touch switch 31 is close to the bottom setting of first boss 22, the upper surface of going up casing 1 be equipped with the corresponding mechanical key 53 of key cap 21, key cap 21 cover is located the lower extreme of key 53, just the upper surface of key cap 21 is close to the key 53 sets up.
The button adopts mechanical button's mode, lightly touches the top contact of switch 31 through pressing button 53 messenger first boss 22's bottom and second, reaches the effect of opening or closing second and lightly touching switch 31 to through directly integrating key cap 21 on silica gel cover 3, reduced key cap 21, the cost is reduced, and the equipment has been simplified, and silica gel cover 3 has elasticity moreover, has certain cushioning effect, makes to press and feels better.
Preferably, as shown in fig. 1, a first fastening hole 23 is formed at a bottom end of the first boss 22, the second tact switch 31 is inserted into the first fastening hole 23, and a top end of the second tact switch 31 is disposed near a bottom of the first fastening hole 23.
The second light touch switch 31 is inserted into the first clamping hole 23 to limit the left and right displacement of the second light touch switch 31, so that the bottom end of the first boss 22 is better contacted with the top end of the second light touch switch 31 in the pressing process, the pressing is more stable, and the pressing hand feeling is improved.
Preferably, as shown in fig. 1, the bottom end of the silica gel sleeve 2 is provided with a plurality of second supporting members 25, the second supporting members 25 abut against the circuit board 3, and each of the second tact switches 31 is respectively disposed between two adjacent second supporting members 25.
When the LED lamp on the second light touch switch 31 lights up or the display screen of key panel lights up, because the light intensity is stronger and spread to adjacent region, the phenomenon of scurrying light takes place easily, leads to the erroneous judgement easily, and second support piece 25 effectively prevents that light from spreading to adjacent region, plays and avoids the emergence of display screen, LED lamp scurrying light, leads to the phenomenon of erroneous judgement.
Preferably, as shown in fig. 2 and 3, first grooves 42 are provided at left and right ends of the lower case 4, support columns 12 matched with the first grooves 42 of the lower case 4 are provided at left and right ends of the upper case 1, and the support columns 12 are inserted into the first grooves 42 of the lower case 4.
The first groove 42 is matched with the supporting column 12 to enable the upper shell 1 and the lower shell 4 to be assembled into a whole body in a detachable mode in a mechanical matching mode, and subsequent detachment and maintenance are facilitated.
Preferably, as shown in fig. 2, a second boss 32 extending toward the lower case 4 is provided at an outer edge of the silicone rubber sleeve 3, the second boss 32 is of an annular structure, the lower case 4 is provided with a second groove 43 corresponding to the second boss 32, and the second boss 32 is embedded in the second groove 43.
The outward flange that first protruding muscle 11 imbeds silica gel cover 2 only plays the waterproof effect of enhancement to going up between casing 1 and the silica gel cover 2, does not strengthen water-proof effects down between casing 4 and the silica gel cover 2, imbeds second recess 43 through second boss 32 and plays waterproof effect down between casing 4 and the silica gel cover 2, can strengthen overall structure ground steadiness moreover.
Preferably, as shown in fig. 3, the electronic device further includes a plurality of third supporting members 6, one end of each of the third supporting members 6 is fixed to the circuit board 3, and the other end of each of the third supporting members 6 is fixed to the bottom surface of the inside of the lower case 4.
The third supporting member 6 is used for supporting the circuit board 3, and when the key 53 is pressed, the corresponding area of the circuit board 3 can move downwards under the action of the pressing force, so that the pressing hand feeling is improved.
Preferably, as shown in fig. 3, the third supporting member 6 includes a fourth supporting member 61 and a fifth supporting member 62, the fourth supporting member 61 is a cylindrical structure, one end of the fourth supporting member 61 is fixed to the left side of the circuit board 3, the other end of the fourth supporting member 61 is fixed to the bottom surface of the inside of the lower housing 4, one end of the fifth supporting member 62 is fixed to the right side of the circuit board 3, the other end of the fifth supporting member 62 is fixed to the bottom surface of the inside of the lower housing 4, and the horizontal height of the left side of the circuit board 3 is lower than the horizontal height of the right side of the circuit board 3.
Example 2
As shown in fig. 4, the present embodiment is different from embodiment 1 in that the present embodiment adopts a touch key manner, and embodiment 1 adopts a mechanical key manner.
Specifically, including at least one first light touch switch 51, the upper surface of going up casing 1 is equipped with the corresponding touch button 52 of first light touch switch 51, the one end of first light touch switch 51 is fixed in the top of circuit board 3, the other end of first light touch switch 51 passes silica gel cover 2 and with touch button 52 pastes mutually.
The keys adopt a touch sensing mode, so that the mode has the advantages of few parts, long service life, simple structure and more convenient operation.
Preferably, the bottom end of the silica gel sleeve 2 is provided with a plurality of first supporting members 24, the first supporting members 24 are abutted to the circuit board 3, and each first tact switch 51 is respectively arranged between two adjacent first supporting members 24.
When the LED lamp on the first tact switch 51 is on or the display screen of the key panel is on, because the light intensity is more strongly diffused to the adjacent region, the phenomenon of fleeing light easily occurs, and misjudgment is easily caused, and the first support member 24 effectively prevents the light from being diffused to the adjacent region, and plays a role in avoiding the phenomenon of fleeing light and causing misjudgment in the occurrence of the display screen and the LED lamp.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. The utility model provides a double-deck waterproof key panel structure which characterized in that: the circuit board is fixed in the lower shell, and the lower end of the upper shell is fixed at the upper end of the lower shell;
the bottom of going up the casing is equipped with annular first protruding muscle, first protruding muscle embedding in the outward flange of silica gel cover, the top of casing is equipped with annular second protruding muscle down, the protruding muscle of second is close to the outward flange setting of silica gel cover, just the protruding muscle of second imbed in the bottom of going up the casing.
2. The double-layer waterproof key panel structure of claim 1, wherein: the touch switch comprises a circuit board and is characterized by further comprising at least one first light touch switch, wherein the upper surface of the upper shell is provided with a touch key corresponding to the first light touch switch, one end of the first light touch switch is fixed at the top of the circuit board, and the other end of the first light touch switch penetrates through the silica gel sleeve and is attached to the touch key.
3. The double-layer waterproof key panel structure of claim 1, wherein: the top of circuit board is equipped with at least one second and lightly touches the switch, the silica gel cover be equipped with protruding in the key cap of silica gel cover, the inside of key cap is hollow structure, every the bottom of key cap is equipped with the orientation respectively the first boss that the top of circuit board extends, first boss with the second lightly touches the switch one-to-one setting, just the top that the second lightly touched the switch is close to the bottom setting of first boss, the upper surface of going up the casing be equipped with the corresponding mechanical button of key cap, the key cap cover is located the lower extreme of button, just the upper surface of key cap is close to the button setting.
4. The double-layer waterproof key panel structure of claim 3, wherein: the bottom of first boss is equipped with first card hole, the second is touched the switch gently and is inserted first card hole, just the top that the second touched the switch gently is close to the hole bottom setting in first card hole.
5. The double-layer waterproof key panel structure of claim 2, wherein: the bottom of silica gel cover is equipped with a plurality of first supports piece, first support piece with the circuit board offsets, and every first dabbing switch sets up respectively between two adjacent first supports piece.
6. The double-layer waterproof key panel structure of claim 3, wherein: the bottom of silica gel cover is equipped with a plurality of second support piece, the second support piece with the circuit board offsets, and every the second light touch switch sets up respectively adjacent two between the second support piece.
7. The double-layer waterproof key panel structure of claim 1, wherein: the left end and the right end of the lower shell are provided with first grooves, the left end and the right end of the upper shell are provided with supporting columns matched with the first grooves of the lower shell, and the supporting columns are inserted into the first grooves of the lower shell.
8. The double-layer waterproof key panel structure of claim 1, wherein: the outward flange of silica gel cover is equipped with the orientation the second boss that the casing direction extends down, the second boss is ring structure, down the casing be equipped with the corresponding second recess of second boss, the embedding of second boss the second recess.
9. The double-layer waterproof key panel structure of claim 3, wherein: the circuit board is characterized by further comprising a plurality of third supporting pieces, one ends of the third supporting pieces are fixed to the circuit board, and the other ends of the third supporting pieces are fixed to the bottom surface of the inner portion of the lower shell.
10. The double-layer waterproof key panel structure of claim 9, wherein: the third support piece comprises a fourth support piece and a fifth support piece, the fourth support piece is of a cylinder structure, one end of the fourth support piece is fixed to the left side of the circuit board, the other end of the fourth support piece is fixed to the bottom surface of the inner portion of the lower shell, one end of the fifth support piece is fixed to the right side of the circuit board, the other end of the fifth support piece is fixed to the bottom surface of the inner portion of the lower shell, and the horizontal height of the left side of the circuit board is lower than the horizontal height of the right side of the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921420714.2U CN210200601U (en) | 2019-08-29 | 2019-08-29 | Double-layer waterproof key panel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921420714.2U CN210200601U (en) | 2019-08-29 | 2019-08-29 | Double-layer waterproof key panel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210200601U true CN210200601U (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201921420714.2U Active CN210200601U (en) | 2019-08-29 | 2019-08-29 | Double-layer waterproof key panel structure |
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| CN (1) | CN210200601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112074110A (en) * | 2020-08-03 | 2020-12-11 | 安徽辰吉新能源科技有限公司 | Electric control shell with waterproof and breathable design |
-
2019
- 2019-08-29 CN CN201921420714.2U patent/CN210200601U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112074110A (en) * | 2020-08-03 | 2020-12-11 | 安徽辰吉新能源科技有限公司 | Electric control shell with waterproof and breathable design |
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