CN211455578U - Side button waterproof construction at metal three proofings terminal - Google Patents
Side button waterproof construction at metal three proofings terminal Download PDFInfo
- Publication number
- CN211455578U CN211455578U CN202020442674.8U CN202020442674U CN211455578U CN 211455578 U CN211455578 U CN 211455578U CN 202020442674 U CN202020442674 U CN 202020442674U CN 211455578 U CN211455578 U CN 211455578U
- Authority
- CN
- China
- Prior art keywords
- key
- fpc
- waterproof
- metal
- silica gel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Push-Button Switches (AREA)
Abstract
The utility model relates to a side button waterproof construction at metal three proofings terminal, include: the key comprises a shell (1), a snap dome FPC component (2), a key component (3) and a press frame (4); a key groove is formed in the side edge of the shell (1); the snap dome FPC assembly (2) and the key assembly (3) are sequentially arranged in the key groove and are fixedly bonded, the middle part of the pressing frame (4) penetrates through the key assembly (3), and the frame of the pressing frame (4) is arranged in the key groove and is fixedly bonded; the snap dome FPC assembly (2) is provided with a waterproof FPC membrane (202). The utility model discloses an among the side button waterproof construction the metal dome piece FPC subassembly, button subassembly are installed in the keyway in proper order and are bonded fixedly, the frame of pressing the frame is installed at the keyway and is bonded fixedly, need not the screw installation, and occupation space is little, and the side button is waterproof, and the button is felt well.
Description
Technical Field
The utility model relates to a button waterproof technology field especially relates to a side button waterproof construction at metal three proofings terminal.
Background
The handheld terminal is mainly used in the field or in a complex environment, and the handheld terminal needs to have high environmental adaptability, such as firmness, durability, electromagnetic interference resistance, water resistance, shock resistance, high and low temperature, damp and hot, salt spray tests and the like. The handheld terminal is generally made of a metal shell as a common material in order to improve the strength and reliability of the handheld terminal by integrating the use environment of the handheld terminal. For harsh use environments, the waterproof design of the handheld terminal becomes one of the necessary functions. The key of the waterproof design of the handheld terminal is the waterproof of the key, so that the waterproof reliability of the key is high, and the key is guaranteed to be good in hand feeling. At present, the existing hand-held terminal side key structure modes mainly include the following:
firstly, most of the consumer handheld terminals do not have a key waterproof structure, so that water vapor and dust can enter easily to affect the work of electronic devices in the equipment, and equipment is seriously aged or burnt to affect normal work and use.
The second kind, the waterproof button structure at metal three proofings terminal in the existing market adopts the screw fixed sealing washer, and occupation space is big.
Therefore, the industry needs to develop a waterproof button structure of a metal three-proofing terminal with good waterproof performance, small occupied space and harmonious appearance.
SUMMERY OF THE UTILITY MODEL
Fix with the screw fixing seal circle that exists to prior art, problem that occupation space is big, the utility model provides a side button waterproof construction at metal three proofings terminal.
The specific scheme of the application is as follows:
the utility model provides a side button waterproof construction at metal three proofings terminal, includes: the device comprises a shell 1, a snap dome FPC assembly 2, a key assembly 3 and a press frame 4; a key groove is formed in the side edge of the shell 1; the snap dome FPC assembly 2 and the key assembly 3 are sequentially arranged in the key groove and are fixedly bonded, the middle part of the pressing frame 4 penetrates through the key assembly 3, and the frame of the pressing frame 4 is arranged in the key groove and is fixedly bonded; the snap dome FPC assembly 2 is provided with a waterproof FPC film 202.
Preferably, the key slot edge of the shell 1 is provided with a limit position 101, a waterproof slot 102, a hole position 103 and a positioning hole 104; the snap dome FPC component 2 comprises a snap dome 201, a waterproof FPC membrane 202, a reinforcing plate 203 and an FPC socket 204; the middle part of stiffening plate 203 is provided with metal dome 201, and waterproof FPC membrane 202 bonds on the surface of stiffening plate 203, and the edge of stiffening plate 203 is provided with bellied FPC socket 204, metal dome FPC subassembly 2 is spacing to be packed into casing 1 and bonds through limiting position 101, FPC socket 204 passes the hole site 103 of casing 1.
Preferably, the back surface at hole 103 is sealed with a sealant.
Preferably, the key assembly 3 includes a key cap 31 and a soft glue 32; it is fixed to bond through the gum between key cap 31 and the flexible glue 32, the tip of key cap 31 is provided with breach 311, and breach 311 is parallel with the hypotenuse 324 of flexible glue 32, the tip of flexible glue 32 is provided with first silica gel boss 321, and first silica gel boss 321 packs into the water proof tank 102 of casing 1 to the point is glued fixedly, the middle part of flexible glue 32 is provided with silica gel contact 322, silica gel contact 322 with metal dome 201 contact of metal dome FPC subassembly 2.
Preferably, the middle part of the pressing frame 4 is provided with a limit groove 401; the keycap 31 penetrates through the limiting groove 401, and the pressing frame 4 presses the skirt 312 of the keycap 31 to limit; the edge of the pressing frame 4 is provided with a positioning column 402 for limiting, the positioning column 402 is arranged in the positioning hole 104 of the housing 1, and the positioning column 402 and the positioning hole 104 are fixed by dispensing.
Preferably, the snap dome 201, the key assembly 3 and the pressure frame 4 are symmetrical to form two keys capable of being operated independently, the two side edges of the soft rubber 32 are provided with a first silica gel boss 321, the middle of the soft rubber 32 is taken as the joint of the two keys, the joint is provided with a second silica gel boss 323, and the pressure frame 4 presses the first silica gel boss 321 and the second silica gel boss 323.
Compared with the prior art, the utility model discloses following beneficial effect has:
the dome sheet FPC assembly and the button assembly in the side button waterproof structure of the utility model are sequentially arranged in the key groove and are fixedly bonded, the frame of the pressing frame 4 is arranged in the key groove and is fixedly bonded, no screw is needed to be arranged, and the occupied space is small; the dome FPC assembly is provided with a waterproof FPC film, and the dome FPC assembly, the key assembly and the pressing frame are all bonded in a key groove of the shell, so that a side key is of a waterproof structure, and the key is good in hand feeling; in addition, the pressing frame is well matched with the shell, no obvious boundary exists, and the integrity of the appearance is kept.
Drawings
Fig. 1 is an explosion diagram of the three-prevention terminal of the present invention.
Fig. 2 is a plan view of the key groove on the side of the casing of the three-prevention terminal of the present invention.
Fig. 3 is a schematic diagram of the snap dome FPC assembly at the three-prevention terminal of the present invention.
Fig. 4 is the utility model discloses a button subassembly installation sketch map at three proofings terminal.
Fig. 5 is the utility model discloses a three proofings terminal presses frame installation sketch map.
Fig. 6 is the utility model discloses a side button waterproof construction section sketch map at three proofings terminal.
Description of the reference numerals
1. A housing; 2. a dome FPC assembly; 3. a key assembly; 4. pressing the frame; 101. limited positioning; 102. a waterproof groove; 103. hole site; 104. positioning holes; 201. snap dome; 202. a waterproof FPC film; 203. a reinforcing plate; 204. an FPC jack; 31. a keycap; 32. soft gum is carried out; 311. a notch; 312. a skirt edge; 321. a first silica gel boss; 322. a silica gel contact; 323. a second silica gel boss; 324. a bevel edge; 401. a limiting groove; 402. a positioning column;
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Referring to fig. 1 to 6, a side key waterproof structure of a metal three-proofing terminal includes: the device comprises a shell 1, a snap dome FPC assembly 2, a key assembly 3 and a press frame 4; a key groove is formed in the side edge of the shell 1; the snap dome FPC assembly 2 and the key assembly 3 are sequentially arranged in the key groove and are fixedly bonded, the middle part of the pressing frame 4 penetrates through the key assembly 3, and the frame of the pressing frame 4 is arranged in the key groove and is fixedly bonded; the snap dome FPC assembly 2 is provided with a waterproof FPC film 202.
This scheme the metal dome piece FPC subassembly 2, button subassembly 3 the frame of pressure frame 4 all bonds through the gum and fixes in the keyway, does not use the screw, and occupation space is little, can solve waterproof problem again. And the snap dome FPC assembly 2 is provided with a waterproof FPC membrane 202, which can thoroughly prevent water. The shell 1 of the three-prevention terminal is made of metal.
In this embodiment, the key slot edge of the housing 1 is provided with a limit position 101, a waterproof slot 102, a hole position 103 and a positioning hole 104; the snap dome FPC component 2 comprises a snap dome 201, a waterproof FPC membrane 202, a reinforcing plate 203 and an FPC socket 204; the middle part of stiffening plate 203 is provided with metal dome 201, and waterproof FPC membrane 202 bonds on the surface of stiffening plate 203, and the edge of stiffening plate 203 is provided with bellied FPC socket 204, metal dome FPC subassembly 2 is spacing to be packed into casing 1 and bonds through limiting position 101, FPC socket 204 passes the hole site 103 of casing 1. The back of the hole 103 is sealed with a sealant.
In this embodiment, the key assembly 3 includes a key cap 31 and a soft glue 32; the keycap 31 and the soft glue 32 are fixedly bonded through the gum, the end part of the keycap 31 is provided with a notch 311, and the notch 311 is parallel to the inclined edge 324 of the soft glue 32, so that a certain stroke is ensured during key pressing. The tip of flexible glue 32 is provided with first silica gel boss 321, and waterproof slot 102 of casing 1 is packed into to first silica gel boss 321 to the point is glued fixedly, the middle part of flexible glue 32 is provided with silica gel contact 322, silica gel contact 322 with metal dome 201 contact of metal dome FPC subassembly 2.
In this embodiment, a limiting groove 401 is disposed in the middle of the pressing frame 4; the keycap 31 penetrates through the limiting groove 401, and the pressing frame 4 presses the skirt edge 312 of the keycap 31 to limit, so that the key is prevented from falling off; a positioning column 402 which has a limiting effect is arranged at the edge of the pressing frame 4, the positioning column 402 is arranged in the positioning hole 104 of the shell 1, and the positioning column 402 and the positioning hole 104 are fixed by dispensing; the step of the positioning column 402 plays a limiting role;
in this embodiment, metal dome 201, button subassembly 3 and pressure frame 4 are the symmetry form, form two buttons that can independent operation, the both sides limit (tip) of flexible glue 32 is provided with first silica gel boss 321, the junction of two buttons is regarded as in the centre of flexible glue 32, the junction is provided with second silica gel boss 323, press frame 4 to push down first silica gel boss 321 and second silica gel boss 323. The pressing frame 4 presses the first silica gel boss 321, so that a waterproof effect is achieved; the pressing frame 4 presses the second silica gel boss 323, so that resilience of the key silica gel is guaranteed, and hand feeling is promoted.
In conclusion, the side key waterproof structure of the metal three-proofing terminal is ingenious and reasonable in design, the side key part meets the requirement of waterproof IP67 grade, the key is good in hand feeling, the screw fastening is not needed, and the occupied space is small; meanwhile, the pressing frame is well matched with the shell, no obvious boundary exists, and the integrity of the appearance is kept.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. The utility model provides a side button waterproof construction at metal three proofings terminal which characterized in that includes: the key comprises a shell (1), a snap dome FPC component (2), a key component (3) and a press frame (4); a key groove is formed in the side edge of the shell (1);
the snap dome FPC assembly (2) and the key assembly (3) are sequentially arranged in the key groove and are fixedly bonded, the middle part of the pressing frame (4) penetrates through the key assembly (3), and the frame of the pressing frame (4) is arranged in the key groove and is fixedly bonded;
the snap dome FPC assembly (2) is provided with a waterproof FPC membrane (202).
2. The side key waterproof structure of the metal three-proofing terminal according to claim 1, wherein the key slot edge of the housing (1) is provided with a limit position (101), a waterproof slot (102), a hole position (103) and a positioning hole (104); the snap dome FPC component (2) comprises a snap dome (201), a waterproof FPC membrane (202), a reinforcing plate (203) and an FPC socket (204);
the middle part of stiffening plate (203) is provided with metal dome (201), and waterproof FPC membrane (202) bonds on the surface of stiffening plate (203), and the edge of stiffening plate (203) is provided with bellied FPC socket (204), metal dome FPC subassembly (2) is spacing to be packed into casing (1) and is bonded through limit bit (101), hole site (103) of casing (1) are passed in FPC socket (204).
3. The side key waterproof structure of the metal three-proofing terminal as claimed in claim 2, wherein the back face at the hole site (103) is sealed by a sealant.
4. The metal three-proofing terminal side key waterproof structure according to claim 2, wherein the key assembly (3) comprises a key cap (31) and soft rubber (32); bond fixedly through the gum between key cap (31) and flexible glue (32), the tip of key cap (31) is provided with breach (311), and breach (311) are parallel with hypotenuse (324) of flexible glue (32), the tip of flexible glue (32) is provided with first silica gel boss (321), and waterproof groove (102) of casing (1) are packed into in first silica gel boss (321) to the point is glued fixedly, the middle part of flexible glue (32) is provided with silica gel contact (322), silica gel contact (322) and metal dome (201) contact of metal dome FPC subassembly (2).
5. The side key waterproof structure of the metal three-proofing terminal according to claim 4, wherein a limiting groove (401) is formed in the middle of the pressing frame (4); the keycap (31) penetrates through the limiting groove (401), and the pressing frame (4) presses the skirt edge (312) of the keycap (31) to limit;
the edge of the pressing frame (4) is provided with a positioning column (402) which has a limiting effect, the positioning column (402) is arranged in the positioning hole (104) of the shell (1), and the positioning column (402) and the positioning hole (104) are fixed in a dispensing manner.
6. The metal three-proofing terminal side key waterproof structure according to claim 5, wherein the snap dome (201), the key assembly (3) and the press frame (4) are all in a symmetrical form to form two keys capable of being independently operated, the two side edges of the soft rubber (32) are provided with a first silica gel boss (321), the middle of the soft rubber (32) is taken as the joint of the two keys, the joint is provided with a second silica gel boss (323), and the press frame (4) presses the first silica gel boss (321) and the second silica gel boss (323).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020442674.8U CN211455578U (en) | 2020-03-31 | 2020-03-31 | Side button waterproof construction at metal three proofings terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020442674.8U CN211455578U (en) | 2020-03-31 | 2020-03-31 | Side button waterproof construction at metal three proofings terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211455578U true CN211455578U (en) | 2020-09-08 |
Family
ID=72299969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020442674.8U Active CN211455578U (en) | 2020-03-31 | 2020-03-31 | Side button waterproof construction at metal three proofings terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211455578U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113098997A (en) * | 2021-03-30 | 2021-07-09 | 青岛海信移动通信技术股份有限公司 | Waterproof adhesive tape and mobile terminal |
-
2020
- 2020-03-31 CN CN202020442674.8U patent/CN211455578U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113098997A (en) * | 2021-03-30 | 2021-07-09 | 青岛海信移动通信技术股份有限公司 | Waterproof adhesive tape and mobile terminal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR970004996A (en) | Seal structure of case and assembly method | |
| CN211455578U (en) | Side button waterproof construction at metal three proofings terminal | |
| CN207731846U (en) | A kind of waterproof side press-key structure and the waterproof mobile phone for using the structure | |
| CN107979669B (en) | Touch fingerprint assembly for smart phone | |
| CN112053877A (en) | Waterproof structure of toggle switch | |
| CN107851177A (en) | Fingerprint module and electronic equipment | |
| CN206559779U (en) | A kind of electronic equipment | |
| CN209928417U (en) | Calculator | |
| JP2006033203A (en) | Mobile terminal | |
| GB2077506A (en) | Pushbutton switch for electronic timepieces | |
| CN207067937U (en) | A kind of keyboard of dustproof and waterproof | |
| CN209118967U (en) | Electronic equipment with Waterproof push-button | |
| CN211718905U (en) | Fingerprint side key | |
| CN211182035U (en) | Waterproof switch | |
| CN213277875U (en) | Unmanned intelligent platform is from waterproof button structure of little terminal of network deployment communication | |
| CN215987386U (en) | Fingerprint module seal structure and electronic equipment | |
| CN213939710U (en) | Power supply device of aerosol generator and aerosol generator | |
| CN219457404U (en) | Improved key waterproof structure | |
| CN220604536U (en) | Waterproof structure of handheld positioning terminal key | |
| CN215955140U (en) | Key structure and electronic equipment | |
| CN220290667U (en) | Waterproof key switch with lamp | |
| CN215644227U (en) | Improved waterproof touch switch | |
| CN219163228U (en) | Key and electronic equipment | |
| CN212392915U (en) | DECT communication terminal | |
| CN215266015U (en) | Side button waterproof construction and waterproof camera |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |