CN209015948U - Key water-proof structure and speaker - Google Patents
Key water-proof structure and speaker Download PDFInfo
- Publication number
- CN209015948U CN209015948U CN201821887714.9U CN201821887714U CN209015948U CN 209015948 U CN209015948 U CN 209015948U CN 201821887714 U CN201821887714 U CN 201821887714U CN 209015948 U CN209015948 U CN 209015948U
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- Prior art keywords
- key
- hole
- sealing
- waterproof
- proof structure
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Abstract
It includes that surface sets reeded shell, the key being movably set in the groove, the pcb board being set in the shell, the key switch being set on the pcb board and the sealing element being sheathed on the key that the utility model, which discloses a kind of key water-proof structure and speaker, the key water-proof structure,；Multiple card-bit parts are provided on the key, the card-bit part can be fastened on the groove, the bottom of the groove offers through-hole, one end of the key can pass through the through-hole and contact with the key switch, the through hole is equipped with the waterproof ring towards protrusion outside the shell, the waterproof ring and the sealing element extrusion fit.The utility model is cooperated by the sealed extruded of the waterproof ring and sealing element that are set to through hole, can be formed a water proof ring, effectively be prevented moisture from entering in key switch by through-hole, and then realizes better waterproof effect.
Description
Technical field
The utility model relates to the technical fields of button design, and in particular to a kind of key water-proof structure and speaker.
Background technique
Many sound-box devices need to work in the adverse circumstances that humidity drenches with rain, if sealing is improper, it is easy to cause leak
Phenomenon causes the electronic component short circuit in key, so that electronic equipment can not work normally, influences to produce and live.Currently,
Common plastic press key is to prevent moisture from entering in key by silica gel ring is Nian Jie with key mould group, but during pressing, press
Key often moves down, and silica gel ring is easily deformed, and the double-sided adhesive that will lead to silica gel ring and key falls off, so that moisture is easy for flowing
Enter key inside, is unable to satisfy the waterproof requirement of client；Furthermore waterproof of the common key water-proof structure just for button axle
Design, but not can guarantee the waterproof performance of key switch.
Therefore, it is necessary to provide a kind of key water-proof structure to solve the above technical problems.
Utility model content
The main purpose of the utility model is to provide a kind of key water-proof structure, to solve speaker key poor waterproof properties
Problem.
To achieve the above object, the utility model proposes a kind of key water-proof structure comprising surface sets reeded
Shell, the key being movably set in the groove, the pcb board being set in the shell, be set on the pcb board by
Key switch and the sealing element being sheathed on the key；Multiple card-bit parts are provided on the key, the card-bit part can
Be fastened on the groove, the bottom of the groove offers through-hole, one end of the key can pass through the through-hole and with
Key switch contact, the through hole are equipped with towards the waterproof ring protruded outside the shell, the waterproof ring with it is described close
Sealing extrusion fit.
Preferably, the key includes the button cap being adapted to the groove and the key that is set on the button cap
Axis engages column with multiple, and the engaging column is distributed around the button axle, the button axle can pass through the through-hole with it is described
Key switch contact, the side away from the button axle of the engaging column are lateral wall, and the engaging column can pass through described
The lateral wall and the through-hole of through-hole and the engaging column are interference fitted, and are provided with multiple detents on the lateral wall of the engaging column
Fin, the detent fin can engage with the bottom of the through-hole.
Preferably, the sealing element is the flexible glue circle bone being sheathed on the engaging column, the flexible glue circle bone and the card
The lateral wall of zygostyle is interference fitted, and one end of the flexible glue circle bone is covered in the bottom surface of the button cap, the flexible glue circle bone
Extrusion fit between the other end and the waterproof ring.
Preferably, the junction of the engaging column and the button cap is provided with multiple convex blocks, and the sealing element is to be arranged
The soft circle of waterproof on the lateral wall of the engaging column, the soft circle of waterproof, which can squeeze, is set to the convex block and the waterproof
Between ring.
Preferably, the one side towards the groove of the button cap is bottom surface, and the key includes suitable with the groove
The button cap matched, the button axle being connect with the button cap and the multiple buckles being set on the bottom surface of the button cap, institute
It states and is provided with multiple protrusions on the inner sidewall of groove, the buckle can be fastened in the protrusion.
Preferably, the sealing element is the waterproof circle bone being sheathed in the button axle, and the waterproof circle bone includes cladding
Sealing plate that the sealing shroud of the button axle, fitting are set on the bottom surface of the button cap, the panel being covered on buckle with
And the inclined plate of the sealing shroud and the sealing plate is connected, it is provided with opening on the sealing plate, one end of the buckle can
It is connect across the opening with the button cap, the sealing shroud can pass through the through-hole and contact with the key switch, institute
The lateral wall and the through-hole for stating sealing shroud are interference fitted, and the junction and the waterproof ring of the inclined plate and the sealing shroud are squeezed
Press-fit.
Preferably, the sealing element further includes the flexi-ring for being set to the junction of the inclined plate and the waterproof ring, when pressing
After key axis press of key switch, the flexi-ring can be shunk towards button axle.
Preferably, the sealing element is the sealing circle bone being sheathed on the lateral wall of the button axle, the sealing circle bone
One end be covered on the bottom surface and the buckle of the button cap, it is described seal circle bone the other end and the waterproof ring seal
It contacts, aperture is provided on the sealing circle bone, the buckle can pass through the aperture and connect with the button cap.
Preferably, the key water-proof structure further includes the fixation kit being set on the key switch, the fixation
The key switch can be fixed on the pcb board by component.
In addition, the utility model also provides a kind of speaker, the speaker is provided with key water-proof structure as described above.
In technical solutions of the utility model, groove is set in case surface, and open up through-hole in the bottom of groove, by key
Switch is set on pcb board (circuit board), and the one end for the key being movably set in groove is then passed through through-hole and and key
Switch contact enables card-bit part to be fastened on groove, so that key be fixed by the way that multiple card-bit parts are arranged on key
Inside the shell.And sealing element is set on key and is used to prevent key contact wetting, it is equipped in the through hole of groove towards shell
The waterproof ring of outer protrusion, in the present invention by the extrusion fit between sealing element and waterproof ring, to guarantee that key exists
Outside moisture flows into through-hole and contacts with key switch in use process, and then further improves the waterproof performance of key.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of the first embodiment of the key water-proof structure of the utility model；
Fig. 2 is the structural schematic diagram of the second embodiment of the key water-proof structure of the utility model；
Fig. 3 is the structural schematic diagram of the 3rd embodiment of the key water-proof structure of the utility model；
Fig. 4 is the schematic front view of press-key structure in 3rd embodiment；
Fig. 5 is the structural schematic diagram of the fourth embodiment of the key water-proof structure of the utility model；
Fig. 6 is the structural schematic diagram of the shell of the utility model.
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage
Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.It is " more in the description of the present invention,
It is a " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral；It can be mechanical connection, it can also
To be electrical connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary
Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
It in addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability
Based on domain those of ordinary skill can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of this technical solution is not present, also not within the protection scope of the requires of the utility model.
The utility model proposes a kind of key water-proof structures, to solve the problems, such as speaker key poor waterproof properties.
Referring to Fig.1 and 2, in an embodiment of the utility model, which includes that surface is equipped with groove
11 shell 10, the pcb board 70 being set in shell 10, is set on pcb board 70 key 20 being movably set in groove 11
Key switch 60 and the sealing element that is sheathed on key 20；Multiple card-bit parts are provided on key 20, card-bit part can block
It closes on groove 11, the bottom of groove 11 offers through-hole 12, and one end of key 20 can pass through through-hole 12 and and key switch
60 contact, and the waterproof ring 50 towards protrusion outside shell 10, waterproof ring 50 and sealing element extrusion fit are equipped at through-hole 12.In the reality
It applies in example, the groove 11 being adapted to the surface of key 20 is provided on the surface of shell 10, and offer in the bottom of groove 11
Through-hole 12 (as shown in Figure 6) is installed on key 20 is movable up and down in groove 11, is additionally provided with pcb board in shell 10
70, key switch 60 corresponding with key 20 is provided on pcb board 70, enable key 20 one end pass through through-hole 12 with
Key switch 60 contacts.In addition, being additionally provided with sealing element and multiple card-bit parts on key 20, sealing element can be by entire key
20 body seals are got up to play the role of waterproof, and card-bit part can be fastened on the groove 11 of shell 10 to prevent key from outer
In shell 10.Also, a circle is additionally provided at through-hole 12 towards the waterproof ring 50 shell 10 outside and outwardly protruded, waterproof ring 50
Diameter is identical as the diameter of through-hole 12, and waterproof ring 50 can with sealing element squeeze sealing cooperation, and then can prevent moisture from
Through-hole 12 enters the performance for touching the even pcb board 70 of key switch 60 and influencing entire key 20.In the above-mentioned technical solutions,
By the way that sealing element is arranged on key 20, waterproof ring 50 is set at through-hole 12, ensure that the good waterproofness of 20 main body of key
Can, and by the cooperation of the squeezed tight of sealing element and waterproof ring 50, it further prevents moisture to enter the setting of key switch 60 and connects
Pcb board 70 is touched, the waterproof performance of key 20 is improved.
Wherein, as depicted in figs. 1 and 2, key 20 includes the button cap 21 being adapted to groove 11 and is set to button cap
Button axle 22 on 21 engages column 23 with multiple, and engaging column 23 is distributed around button axle 22, and button axle 22 can pass through through-hole 12
It is contacted with key switch 60, the side away from button axle 22 of engaging column 23 is lateral wall, and engaging column 23 can pass through through-hole 12
And engage the lateral wall and the interference fit of through-hole 12 of column 23, engage and be provided with multiple detent fins 41 on the lateral wall of column 23, blocks
Position fin 41 can engage with the bottom of through-hole 12.In a preferred embodiment, key 20 include be adapted to groove 11 it is rectangular
Button cap 21, the underface of button cap 21 is provided with button axle 22, one end of button axle 22 passes through through-hole 12 and opens with key
60 contacts are closed, the outside of button axle 22 are provided with a cylinder-shaped engaging column 23, as shown in Figure 1, the bottom of engaging column 23
It is flushed with the bottom of through-hole 12 and engages column 23 and be adapted to through-hole 12, the lateral wall and through-hole 12 for engaging column 23 are interference fitted, and are made
The better tightness of column 23 Yu through-hole 12 must be engaged.Multiple cards being evenly spaced on are additionally provided in the lateral wall of engaging column 23
Position fin 41, detent fin 41 can be set to be outwardly protruded in the bottom of outer side wall, detent fin 41 is fastened on logical
The bottom in hole 12.In addition, in other examples, the bottom of engaging column 23 can extend out from through-hole 12, detent
Fin 41 also can be set on the lateral wall of engaging column 23, and can be fastened on the bottom of through-hole 12 just.
As shown in Figure 1, sealing element can be sheathed on engaging column 23 on flexible glue circle bone 31, flexible glue circle bone 31 outside with
Engage the lateral wall interference fit of column 23, one end that flexible glue justifies bone 31 is covered in the bottom surface of button cap 21, and flexible glue justifies the another of bone 31
Extrusion fit between one end and waterproof ring 50.Wherein, flexible glue circle bone 31 with engaging column 23 be adapted to, flexible glue justify bone 31 inner sidewall with
Engage the lateral wall interference seal cooperation of column 23, and the bottom surface of button cap 21 can be completely covered in the upper bottom surface of flexible glue circle bone 31,
Button cap 21 is enabled to reach good waterproof effect.In a second embodiment, as shown in Fig. 2, engaging column 23 and button cap
21 junction is provided with multiple convex blocks 231, and sealing element can also be the soft circle of waterproof being sheathed on the lateral wall of engaging column 23
34, the soft circle 34 of waterproof, which can squeeze, to be set between convex block 231 and waterproof ring 50.Also, upper end and the convex block of the soft circle 34 of waterproof
231 contacts, the lower end of the soft circle 34 of waterproof and waterproof ring 50 squeeze sealing cooperation.Wherein, the soft circle 34 of waterproof and flexible glue justify bone 31
Material can be preferably rubber or silica gel.
As shown in Figures 3 to 5, the one side towards groove 11 of button cap 21 is bottom surface, and key 20 includes suitable with groove 11
The button cap 21 matched, the button axle 22 being connect with button cap 21 and the multiple buckles 42 being set on the bottom surface of button cap 21,
Multiple raised 111 are provided on the inner sidewall of groove 11, buckle 42 can be fastened in protrusion 111.In a preferred embodiment,
On the every side for the bottom surface that buckle 42 is uniformly arranged on button cap 21, it is provided on the inner sidewall of groove 11 and is adapted to buckle 42
Protrusion 111.When pressing down on key 20, button cap 21, which moves down, to be reached the position of protrusion 111 and presses and terminate, when pressing
When key 20 is sprung back, when button cap 21 springs back to home position upwards, the convex of 11 inside of groove can be fastened on by buckling 42 one end
When playing 111, to prevent key 20 from springing back to the outside of groove 11 from groove 11.
As shown in figure 3, sealing element is the waterproof circle bone 32 being sheathed in button axle 22, waterproof circle bone 32 includes cladding key
The sealing shroud 321 of axis 22, the panel 323 for being bonded the sealing plate 322 being set on the bottom surface of button cap 21, being covered on buckle 42
And the inclined plate 324 of sealing shroud 321 and sealing plate 322 is connected, it is provided with opening on sealing plate 322, the one end for buckling 42 can
It is connect across opening with button cap 21, sealing shroud 321 can pass through through-hole 12 and contact with key switch 60, outside sealing shroud 321
Side wall and through-hole 12 are interference fitted, the junction and 50 extrusion fit of waterproof ring of inclined plate 324 and sealing shroud 321.Sealing element also wraps
The flexi-ring 35 for being set to the junction of inclined plate 324 and waterproof ring 50 is included, after 22 press of key switch 60 of button axle, flexi-ring
35 can shrink towards button axle 22.In a preferred embodiment, as shown in figure 4, it is the sealing shroud 321 of waterproof circle bone 32 is complete
Wrap is set in button axle 22, and the opening that multiple one end with buckle 42 are adapted to is offered on sealing plate 322, so that buckle
42 can pass through opening connect with button cap 21, and bottom surface and the card of button cap 21 is completely covered in sealing plate 322 and panel 323 respectively
On button 42, it can guarantee all prevent well there are the gap of water inlet to reach between button axle 22 and button cap 21 in this way
Water purpose.In addition, being also arranged with the flexi-ring 35 being adapted to, process of the key 20 in pressing with 50 junction of waterproof ring in inclined plate 324
In flexi-ring 35 can be made to move down, after pressing, flexi-ring 35 can spring back and towards the direction of button axle 22 shrink, therefore
Flexi-ring 35 is formed the feel of the automatic rebounding of key 20 in the process of moving, improves key 20 and presses experience sense, together
When can more reinforce waterproof effect.Wherein, waterproof circle bone 32 and the material of flexi-ring 35 can be preferably rubber or silica gel.
As shown in figure 5, sealing element is the sealing circle bone 33 being sheathed on the lateral wall of button axle 22, the one of circle bone 33 is sealed
End is covered on the bottom surface and buckle 42 of button cap 21, and the other end and the waterproof ring 50 for sealing circle bone 33 are in sealing contact, sealing circle
Aperture is provided on bone 33, buckle 42 can pass through aperture and connect with button cap 21.In a preferred embodiment, circle bone 33 is sealed
It is sheathed on the lateral wall interference seal cooperation on the lateral wall of button axle 22 and with button axle 22, buckle 42 is passed through and seals circle bone
The aperture of 33 upper surface is connect with button cap 21, makes the upper surface for sealing round bone 33 that bottom surface and the card of button cap 21 be completely covered
On button 42, and the lower end for sealing round bone 33 can squeeze in sealing contact, one good water proof ring of formation with waterproof ring 50, anti-
Sealing point enters in key switch 60.Wherein, the material for sealing circle bone 33 can be preferably rubber or silica gel.
In addition, key water-proof structure further includes the multiple fixation kits being set on key switch 60, and in key switch
Be provided with multiple mounting holes on 60, fixation kit can 12 mounting hole of through-hole key switch 60 is fixed on pcb board 70.Its
In, fixation kit can be preferably screw or screw.
It is specifically described below by way of the assembling process to key water-proof structure, to the technical solution of the utility model
It is further described.
The groove 11 being adapted to button cap 21 is set on the surface of shell 10, opens up through-hole 12 in the bottom of groove 11, and
It is provided at through-hole 12 towards the waterproof ring 50 protruded outside shell 10, one end of button axle 22 can pass through through-hole 12 and key
Switch 60 contacts, and key switch 60 is set on pcb board.It is equipped with engaging column 23 in the outside of button axle 22, in engaging column 23
On be provided with sealing element for will engage column security seal, be provided with multiple card-bit parts engaging column 23, fastener can engage
On the bottom of through-hole 12, and sealing element and waterproof ring 50 can squeeze sealing cooperation, form a circular water proof ring, prevent
Sealing point enters in key switch 60, to reach waterproof effect；Alternatively, protrusion 111 is provided on the inner sidewall of groove,
Multiple buckles 42 are set on the bottom surface of button cap 21, buckle 42 are directly clamped among in the protrusion 111 of 11 inside of groove, in button axle
Sealing element 30 is set on 22, so that button axle 22 and button cap 21 is fully sealed in sealing element, and sealing element can be with waterproof ring
50 form waterproof construction, prevent moisture from entering in key switch 60.This press-key structure with waterproof ring 50, not only can be right
Button axle 22 and 21 bottom of button cap carry out waterproof, additionally it is possible to prevent moisture from entering 60 shadow of key switch by through-hole 12
Pcb board 70 is rung, the key 20 of this structure can reach better waterproof effect.
Further, the utility model also provides a kind of speaker, is provided with key water-proof structure as described above.This is pressed
The specific structure of key waterproof construction is referring to above-described embodiment, since speaker uses whole technical solutions of above-described embodiment, because
This at least has all beneficial effects brought by the technical solution of above-described embodiment, and this is no longer going to repeat them.This set
Good waterproof effect, and key can be played to key 20 and key switch 60 by having the speaker of the key 20 of waterproof construction
20 are set to the inside of the shell 10 of speaker, and appearance is more beautiful.
The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all
Under the design of the utility model, equivalent structure transformation made based on the specification and figures of the utility model, or directly/
Other related technical areas are used in indirectly to be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of key water-proof structure, which is characterized in that the key water-proof structure includes that surface sets reeded shell, activity
The key that is arranged in the groove, the pcb board being set in the shell, the key switch being set on the pcb board with
And it is sheathed on the sealing element on the key；Multiple card-bit parts are provided on the key, the card-bit part can be fastened on institute
State on groove, the bottom of the groove offers through-hole, one end of the key can pass through the through-hole and with the key
Switch contact, the through hole are equipped with the waterproof ring towards protrusion outside the shell, and the waterproof ring and the sealing element squeeze
Cooperation.
2. key water-proof structure as described in claim 1, which is characterized in that the key include be adapted to the groove by
Keycap and the button axle being set on the button cap engage column with multiple, and the engaging column is distributed around the button axle,
The button axle can pass through the through-hole and contact with the key switch, the side away from the button axle of the engaging column
For lateral wall, the engaging column can pass through the lateral wall of the through-hole and the engaging column and the through-hole is interference fitted, institute
It states and is provided with multiple detent fins on the lateral wall of engaging column, the detent fin can engage with the bottom of the through-hole.
3. key water-proof structure as claimed in claim 2, which is characterized in that the sealing element is to be sheathed on the engaging column
Flexible glue circle bone, flexible glue circle bone is covered in the lateral wall interference fit for engage column, one end of the flexible glue circle bone
The bottom surface of the button cap, extrusion fit between the other end and the waterproof ring of the flexible glue circle bone.
4. key water-proof structure as claimed in claim 2, which is characterized in that the junction of the engaging column and the button cap
Multiple convex blocks are provided with, the sealing element is the soft circle of waterproof being sheathed on the lateral wall of the engaging column, the soft circle of waterproof
It can squeeze and be set between the convex block and the waterproof ring.
5. key water-proof structure as described in claim 1, which is characterized in that the key include be adapted to the groove by
Keycap, the one side towards the groove of the button cap are bottom surface, the key further include connect with the button cap by
Key axis and the multiple buckles being set on the bottom surface of the button cap are provided with multiple protrusions on the inner sidewall of the groove,
The buckle can be fastened in the protrusion.
6. key water-proof structure as claimed in claim 5, which is characterized in that the sealing element is to be sheathed in the button axle
Waterproof circle bone, waterproof circle bone includes that the sealing shroud for coating the button axle, fitting are set to the bottom surface of the button cap
On sealing plate, the panel and the connection sealing shroud and the sealing plate that are covered on buckle inclined plate, the sealing plate
On be provided with opening, one end of the buckle can pass through the opening and connect with the button cap, and the sealing shroud can be worn
The through-hole is crossed to contact with the key switch, the lateral wall of the sealing shroud and the through-hole are interference fitted, the inclined plate and
The junction of the sealing shroud and the waterproof ring extrusion fit.
7. key water-proof structure as claimed in claim 6, which is characterized in that the sealing element further includes being set to the inclined plate
With the flexi-ring of the junction of the waterproof ring, after button axle press of key switch, the flexi-ring can be towards button axle
It shrinks.
8. key water-proof structure as claimed in claim 5, which is characterized in that the sealing element is to be sheathed on the button axle
Sealing circle bone on lateral wall, described one end for sealing circle bone is covered on the bottom surface and the buckle of the button cap, described
The other end and the waterproof ring for sealing circle bone are in sealing contact, are provided with aperture on the sealing circle bone, the buckle can be worn
The aperture is crossed to connect with the button cap.
9. such as key water-proof structure of any of claims 1-8, which is characterized in that the key water-proof structure also wraps
The fixation kit being set on the key switch is included, the key switch can be fixed on the PCB by the fixation kit
On plate.
10. a kind of speaker, which is characterized in that the speaker is provided with key waterproof as claimed in any one of claims 1-9 wherein
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821887714.9U CN209015948U (en) | 2018-11-14 | 2018-11-14 | Key water-proof structure and speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821887714.9U CN209015948U (en) | 2018-11-14 | 2018-11-14 | Key water-proof structure and speaker |
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| Publication Number | Publication Date |
|---|---|
| CN209015948U true CN209015948U (en) | 2019-06-21 |
Family
ID=66842518
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821887714.9U Active CN209015948U (en) | 2018-11-14 | 2018-11-14 | Key water-proof structure and speaker |
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| Country | Link |
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| CN (1) | CN209015948U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113808872A (en) * | 2020-06-22 | 2021-12-17 | 中车唐山机车车辆有限公司 | A outer button device of car and rail vehicle for rail vehicle |
| WO2023155626A1 (en) * | 2022-02-21 | 2023-08-24 | 深圳素士科技股份有限公司 | Key structure and electric toothbrush |
-
2018
- 2018-11-14 CN CN201821887714.9U patent/CN209015948U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113808872A (en) * | 2020-06-22 | 2021-12-17 | 中车唐山机车车辆有限公司 | A outer button device of car and rail vehicle for rail vehicle |
| CN113808872B (en) * | 2020-06-22 | 2023-10-31 | 中车唐山机车车辆有限公司 | Out-of-car button device for railway vehicle and railway vehicle |
| WO2023155626A1 (en) * | 2022-02-21 | 2023-08-24 | 深圳素士科技股份有限公司 | Key structure and electric toothbrush |
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