CN208673946U - A kind of key device - Google Patents
A kind of key device Download PDFInfo
- Publication number
- CN208673946U CN208673946U CN201821244418.7U CN201821244418U CN208673946U CN 208673946 U CN208673946 U CN 208673946U CN 201821244418 U CN201821244418 U CN 201821244418U CN 208673946 U CN208673946 U CN 208673946U
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- CN
- China
- Prior art keywords
- button cap
- key
- pcba
- fixed bracket
- flexible glue
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Abstract
The utility model discloses a kind of key devices, including PCBA board, the fixed bracket of the PCBA for fixing PCBA board, the flexible glue key being connected on the fixed bracket of PCBA, the button cap being set on flexible glue key and button cap locating support on button cap is covered at, button cap locating support is connect with PCBA fixation bracket；Button cap is equipped with outer eaves, and button cap locating support, which is equipped with, accommodates the through-hole that button cap passes through, and button cap locating support presses on the outer eaves of button cap the positioning realized to button cap.The kind key device of the utility model can preferably realize the positioning to button cap, avoid with the card key of key and reduce the shaking of button cap after assembly.
Description
Technical field
The utility model relates to a kind of key devices.
Background technique
Currently, existing key module is since the positioning that button cap lacks locating piece is fixed, and is directly fixed on key,
Button cap is caused to be clamped risk not in place in the presence of with key when having the disadvantage in that 1, assembly；2, it is solid to lack positioning after assembling
Determine and shaking phenomenon occurs；3, the case where being easy to appear card key in use；It 4, can not when button cap is metal material
With key snap-fit.
Utility model content
The purpose of the utility model is to provide a kind of key devices, preferably realize the positioning to button cap, avoid key
Card key and reduce assembly after button cap shaking.
To achieve the above object, a kind of key device provided by the utility model, including PCBA board, for described in fixed
The fixed bracket of the PCBA of PCBA board, is set on the flexible glue key flexible glue key being connected on the fixed bracket of the PCBA
Button cap and cover at button cap locating support on the button cap, the button cap locating support and the PCBA are solid
Fixed rack connection.
In above-mentioned key device, the button cap is equipped with outer eaves, and the button cap locating support is equipped with described in receiving and presses
The through-hole that keycap passes through, the button cap locating support, which presses on the outer eaves of the button cap, to be realized and determines the button cap
Position.
In above-mentioned key device, the flexible glue key is equipped with described for installing in bulk, the side of the flexible glue key
The other side of the protrusion of button cap, the flexible glue key is equipped with several positioning columns；The fixed bracket of the PCBA, which is equipped with, to be used for
Accommodate the location hole of the positioning column insertion.
In above-mentioned key device, the flexible glue key is equipped with the groove for being limited to the button cap, described
The protrusion is arranged in the middle part of groove.
In above-mentioned key device, locating fastener is provided on the button cap locating support, the PCBA is fixed on bracket
It is provided with and the matched button bit of the locating fastener.
In above-mentioned key device, the fixed bracket of the PCBA is equipped with installation buckle, and the installation buckle button is taken in described
Realize the positioning to the PCBA board in PCBA board edge.
It further include the fixed bracket of key in above-mentioned key device, the fixed bracket of the key fixes the key device
It is connected on Electronic equipment panel.
In above-mentioned key device, the fixed bracket of the key and the PCBA board, PCBA fix bracket and electronic equipment face
Pass through screw connection between plate respectively.
In above-mentioned key device, the button cap locating support be equipped with for the Electronic equipment panel location fit
Positioning convex tendon.
In above-mentioned key device, the button cap uses metal material, and the flexible glue key uses silica gel material.
A kind of key device provided by above-mentioned technical proposal, compared with prior art, its advantages include: by by
Positioning of the keycap locating support to button cap reduces the shaking of button cap after mounting, and leads to button cap being sheathed on flexible glue
On key, further stablize the assembly of button cap, avoids and show since button cap is directly sleeved on the shaking occurred on key
As；In turn, it by being located at flexible glue key between button cap and the fixed bracket of PCBA, avoids when pressing keys cap, presses
Keycap and PCBA board scratch and the phenomenon that card key occur；Also, pass through button cap locating support and the support bracket fastened connection of PCBA,
It is sheathed on what button cap can consolidate on flexible glue key, and by the way that installation is fixed in the fixed bracket of PCBA and PCBA board,
Enable flexible glue key to carry out stable contraposition with key to fix, when pressing keys cap can be realized, flexible glue key passes through key
The pressing feedback of cap presses key, is different from the pressing feel that button cap is directly fixed on key, improves user's body
It tests.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the key device of the utility model；
Fig. 2 is the perspective view of the explosion of the key device of the utility model；
Fig. 3 is confined explosion's schematic diagram of the key device of the utility model；
Fig. 4 is one of partial structural diagram of key device of the utility model；
Fig. 5 is the two of the partial structural diagram of the key device of the utility model.
Wherein, 1-PCBA plate, the fixed bracket of 2-PCBA, 21- location hole, 22- button bit, 23- installation buckle, 3- flexible glue are pressed
Key, 31- protrusion, 32- positioning column, 33- groove, 4- button cap, the outer eaves of 41-, 5- button cap locating support, 51- through-hole, 52- are fixed
Position buckle, 53- positioning convex tendon, the fixed bracket of 6- key.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
Please refer to attached drawing 1-2, a kind of key device provided by the utility model, including PCBA board 1, for described in fixed
The fixed bracket 2 of the PCBA of PCBA board 1, the flexible glue key 3 being connected on the fixed bracket 2 of the PCBA, be set in the flexible glue by
Button cap 4 on key 3 and cover at button cap locating support 5 on the button cap 4, the button cap locating support 5 with
The fixed bracket 2 of the PCBA connects.
Based on above-mentioned technical characteristic, positioning by the button cap locating support 5 to the button cap 4 reduces institute
The shaking of button cap 4 after mounting is stated, and leads to and the button cap 4 is sheathed on the flexible glue key 3, further described in stabilization
The assembly of button cap is avoided since the button cap 4 is directly sleeved on the shaking phenomenon occurred on key；In turn, pass through
It is located at the flexible glue key 3 between the button cap 4 and the fixed bracket 2 of the PCBA, avoids when the pressing key
When cap 4, the button cap 4 scratches with the PCBA board 1 and the phenomenon that card key occurs；Also, pass through button cap positioning branch
The connection of frame 5 and the fixed bracket 2 of the PCBA, is sheathed on what the button cap 4 can consolidate on the flexible glue key 3, and
By the way that installation is fixed with the PCBA board 1 in the fixed bracket 2 of the PCBA, enable the flexible glue key 3 and key into
The stable contraposition of row is fixed, and can be realized when pressing the button cap 4, the pressing that the flexible glue key 3 passes through the button cap 4
Feedback presses key, is different from the pressing feel that button cap is directly fixed on key, improves user experience.
And since the button cap on current key device is directly fixed on key, lack positioning, is easy to cause button cap
Method the case where shaking is serious and card key it is raw；And when button cap is metal, it may appear that button cap can not be with key clamping
Situation.Therefore it by adding the flexible glue key 3 between the button cap 4 and key, improves the button cap 4 and presses
While feel, situations such as avoiding shaking, the card key of the button cap 4 generation.
The button cap 4 is equipped with outer eaves 41, and the button cap locating support 5, which is equipped with, accommodates what the button cap 4 passed through
Through-hole 51, the button cap locating support 5 press on the outer eaves 41 of the button cap 4 positioning realized to the button cap 4；
Compressing on the button cap 4 and to the outer eaves 41 of the button cap 4 is covered at by the button cap locating support 5, into one
The button cap 4 is fixed on the positioning in step, at the same preferably avoid the scratch of the button cap 4 and Electronic equipment panel with
And the phenomenon that key card key, occurs.
Refering to attached drawing 3-5, the flexible glue key 3 is equipped in bulk, the side of the flexible glue key 3 for installing described press
The other side of the protrusion 31 of keycap 4, the flexible glue key 3 is equipped with several positioning columns 32；The fixed bracket 2 of the PCBA is equipped with
The location hole 21 being inserted into for accommodating the positioning column 32；The button cap 4 by described raised 31 be sheathed on the software by
On key 3, the fixation between the button cap 4 and the flexible glue key 4 is realized, enable the button cap 4 by described raised 31
It is enough more firm to be sheathed on the flexible glue key 3, and by the positioning column 32 in the software keys 3 and be set to described
The location fit between the location hole 21 on the fixed bracket 2 of PCBA, enables the accurate location and installation of the flexible glue key 3
In on the fixed bracket 2 of the PCBA, carried out by the fixed bracket 2 of the PCBA with the PCBA board 1 convenient for the flexible glue key 3
When being fixedly connected, the flexible glue key 3 is positioned with the key in the PCBA board 1.
The flexible glue key 3 is equipped with the groove 33 for being limited to the button cap 4, the middle part of the groove 33
It is arranged described raised 31, the outer eaves 41 of the button cap 4 is limited by the way that the groove 33 is arranged, and pass through the protrusion
Location and installation between 31 and the button cap 4 is capable of fixing the button cap 4 and is positioned on the flexible glue key 3, passes through
The groove 33 is further reduced the shaking after the button cap 4 is installed to the limit between the outer eaves 41.And the flexible glue
Key 3 makes the button cap 4 be sheathed with the flexible glue key using the common resilient arm structure of software keys in existing design
After 3, the situation on key is directly sleeved on relative to the button cap 4 and improves feel when user presses the button cap 4.
Be provided with locating fastener 52 on the button cap locating support 5, be provided on the fixed bracket 2 of the PCBA with it is described
The matched button bit 22 of locating fastener 52 makes institute by the way that being clasped between the locating fastener 52 and the button bit 22 is arranged
It states and achieves a fixed connection between button cap locating support 5 and the fixed bracket 2 of the PCBA, make to cover at the button cap positioning branch
The button cap 4 of frame 5 and the software keys 3 being cooperatively connected with the button cap 4 can be with the fixed branch of the PCBA
Frame 2 is fixedly connected, convenient for being fixedly connected by the fixed bracket 2 of the PCBA with the PCBA board 1, realize the button cap 4 and
The corresponding matching between key in the PCBA board 1.
The fixed bracket 2 of the PCBA is equipped with installation buckle 23, and 23 button of installation buckle is taken in 1 edge of PCBA board
It realizes the positioning to the PCBA board 1, takes the fixed bracket 2 of the PCBA in the PCBA board by 23 button of installation buckle
1 edge realization is fixedly connected with the PCBA board 1, and convenient for disassembly and assembly.
Wherein, it is to be understood that, the button cap locating support 5 and the PCBA in the utility model fix bracket
2, being fixedly connected between the fixed bracket 2 of the PCBA and the PCBA board 1 is not limited only to be connected by a snap, and can pass through connection
Hole is connect with the connection structure of other achievable dismantling connections such as connector.
The key device of the present embodiment further includes the fixed bracket 6 of key, and the key fixes bracket 6 for the key device
It is fixedly connected on Electronic equipment panel, by the fixed bracket 6 of the preset key, is filled in the components of the key device
With after the completion, the key device is installed on Electronic equipment panel, realizes the simplicity of installation.
Pass through respectively between the fixed bracket of the key and the fixed bracket 2 of the PCBA board 1, PCBA and Electronic equipment panel
Screw connection makes the fixed bracket of the key and the fixed bracket 2 of the PCBA board 1, PCBA and electronic equipment by screw connection
The installation of panel is more secured and more simple, has ensured the fixing of the key device.
The button cap locating support 5 is equipped with for the positioning convex tendon 53 with the Electronic equipment panel location fit,
Make the key device when being assembled to Electronic equipment panel, passes through determining for the positioning convex tendon 53 and display panel positioning groove
Position cooperation makes to avoid the case where shaking when the key device and display device side frame location fit, realize further
Positioning is fixed.
The button cap 4 uses metal material, and the flexible glue key 3 uses silica gel material, passes through setting metal material
The button cap 4 improves the service life of the button cap 4, and by the flexible glue key 3 of setting silica gel material, improves
The comfort level when pressing of the flexible glue key 3 improves user experience.
Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill people of the art
Member for, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these improve and
Replacement also should be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of key device, which is characterized in that including PCBA board, the fixed bracket of the PCBA for fixing the PCBA board, connect
The flexible glue key that is connected on the fixed bracket of the PCBA, the button cap being set on the flexible glue key and cover at it is described by
Button cap locating support on keycap, the button cap locating support are connect with the fixed bracket of the PCBA.
2. key device as described in claim 1, which is characterized in that the button cap is equipped with outer eaves, the button cap positioning
Bracket, which is equipped with, accommodates the through-hole that the button cap passes through, and the button cap locating support presses on the outer eaves of the button cap
Realize the positioning to the button cap.
3. key device as claimed in claim 2, which is characterized in that the flexible glue key is in bulk, the flexible glue key
Side is equipped with the protrusion for installing the button cap, and the other side of the flexible glue key is equipped with several positioning columns；It is described
The fixed bracket of PCBA is equipped with the location hole for accommodating the positioning column insertion.
4. key device as claimed in claim 3, which is characterized in that the flexible glue key is equipped with for the button cap
The protrusion is arranged in the middle part of the groove limited, the groove.
5. key device as claimed in claim 2, which is characterized in that be provided with positioning card on the button cap locating support
Button, the PCBA are fixed on bracket and are provided with and the matched button bit of the locating fastener.
6. key device as claimed in claim 2, which is characterized in that the fixed bracket of the PCBA is equipped with installation buckle, institute
It states installation buckle and detains the positioning taken in PCBA board edge realization to the PCBA board.
7. such as key device of any of claims 1-6, which is characterized in that it further include the fixed bracket of key, it is described
The key device is fixedly connected on Electronic equipment panel by the fixed bracket of key.
8. key device as claimed in claim 7, which is characterized in that the fixed bracket of the key and the PCBA board, PCBA
Pass through screw connection respectively between fixed bracket and Electronic equipment panel.
9. key device as claimed in claim 7, which is characterized in that the button cap locating support be equipped with for the electricity
The positioning convex tendon of sub- device panel location fit.
10. key device described in any one of claims 1-6, which is characterized in that the button cap uses metal material, described
Flexible glue key uses silica gel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821244418.7U CN208673946U (en) | 2018-08-02 | 2018-08-02 | A kind of key device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821244418.7U CN208673946U (en) | 2018-08-02 | 2018-08-02 | A kind of key device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208673946U true CN208673946U (en) | 2019-03-29 |
Family
ID=65833240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821244418.7U Active CN208673946U (en) | 2018-08-02 | 2018-08-02 | A kind of key device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208673946U (en) |
-
2018
- 2018-08-02 CN CN201821244418.7U patent/CN208673946U/en active Active
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