CN105161932B - Press switch device and electronic equipment - Google Patents
Press switch device and electronic equipment Download PDFInfo
- Publication number
- CN105161932B CN105161932B CN201510621788.2A CN201510621788A CN105161932B CN 105161932 B CN105161932 B CN 105161932B CN 201510621788 A CN201510621788 A CN 201510621788A CN 105161932 B CN105161932 B CN 105161932B
- Authority
- CN
- China
- Prior art keywords
- circuit board
- component
- cover assembly
- press switch
- base assembly
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/14—Operating parts, e.g. push-button
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/04—Cases; Covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/058—Actuators to avoid tilting or skewing of contact area or actuator
Landscapes
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention discloses a kind of press switch device, including cover assembly, base assembly, elastic component and circuit board assemblies, circuit board assemblies are relatively fixed with cover assembly and provided with through hole, elastic component is through through hole and two ends difference elasticity abuts cover assembly and base assembly；Circuit board is provided with the jack that correspondence expansion interface is offered on expansion interface, cover assembly perisporium；Cover assembly and base assembly are respectively equipped with snap fit and latching device, and snap fit and latching device optionally engage or separated；After snap fit and latching device engage, jack is located in base assembly.By the way that cover assembly is arranged to optionally with base assembly engaging with separating, expansion interface can as needed be selectively exposed to outside base assembly or be hidden in base assembly so that expansion interface area occupied is small, and does not influence the aesthetic property of electronic equipment.
Description
The present patent application is the 08 month 2015 (press switch device of Application No. 201510533027.1 filed in 26 days
And electronic equipment) application for a patent for invention divisional application.
Technical field
The present invention relates to a kind of switching device, more particularly to press switch device and electronic equipment.
Background technology
Push switch mainly promotes transmission mechanism using button, movable contact is switched on or switched off with stationary contact and is realized electricity
The switch of road switching, in electric automatic control circuit, for sending control signal manually to control the break-make of circuit.Its structure
Simply, it is widely used in various electronic products.
Existing push switch generally press section inside be provided with spring, can function well as make press section by by
The automatic effect for realizing elastic recovery after pressure, still, in the case where some occasion press sections area is larger, when operator to by
Splenium force is when pressing, and press section easily occurs crooked and produces and rock, and causes loose contact, can not reset or feel is not good enough,
Influence is normally used.
The content of the invention
In view of prior art exist deficiency, the invention provides one kind pressing stability it is good, will not during pressing
Occur crooked or stuck press switch device and electronic equipment.
In order to realize above-mentioned purpose, present invention employs following technical scheme：
A kind of press switch device, including cover assembly, base assembly, elastic component and circuit board assemblies, the circuit
Board component is relatively fixed with the cover assembly and provided with through hole, the elastic component passes through the through hole and two ends are distinguished elasticity and supported
Connect the cover assembly and the base assembly；The circuit board is provided with expansion interface, the cover assembly perisporium and opened up
There is the jack of the correspondence expansion interface；The cover assembly and the base assembly are respectively equipped with snap fit and latching device, institute
State snap fit and the latching device optionally engages or separated；It is described after the snap fit and the latching device engage
Jack is located in the base assembly.
Wherein, the press switch device also includes balanced component, and the circuit board assemblies also include multiple avoiding areas,
The balanced component includes the first swing component and the second swing component arranged in a crossed manner, and first swing component, described second swing
Part passes through the avoiding area and two ends are respectively rotatably mounted on the cover assembly and the base assembly.
Wherein, the circuit board assemblies include circuit board and are covered on the circuit board and have the shielding of component side
Cover, the through hole includes the first through hole opened up in the middle part of the circuit board and the second through hole opened up in the middle part of the radome, institute
It is the breach that the circuit board periphery is opened up to state avoiding area.
Wherein, the base assembly includes lower cover and bottom plate, and the bottom plate is fixed on the lower cover bottom surface.
Wherein, the wall outer surface compartment of terrain of the cover assembly is provided with the extended leg with curved guiding surface, the lower cover
Side wall including annular and the top surface for turning down from the top side wall formation inwardly, the side wall inner surfaces of the lower cover be convexly equipped with
The lead that the curved guiding surface coordinates, the extended leg is slidably and spacing by the top surface of the lower cover along the lead.
Wherein, the expansion interface is multiple.
Wherein, the expansion interface includes at least one of electric power connecting mouth, USB, micro USB and Mini USB.
Wherein, first swing component and second swing component include connecting rod, located at the connecting rod two ends and
The first extension rod bent towards the same side and the second extension bent from first extension rod parallel to the connecting rod direction
Bar, the connecting rod, second extension rod are rotatably mounted on the base assembly and the cover assembly respectively.
Wherein, the connecting rod of first swing component includes the portion that arches upward of arc, and the portion of arching upward is located at described the
The connecting rod of one swing component and the infall of second swing component.
Another object of the present invention is to provide a kind of electronic equipment, including above-mentioned press switch device, the pressing
Formula switching device is fixed on an electronic device.
Provided with the balanced component for connecting cover assembly and base assembly simultaneously in the press switch device of the present invention, upper
During lid is pressed, balanced component is highly decreased, it is ensured that upper lid do not occur it is crooked, whole operation steadily without
Rock；During Shang Gai upsprings, balanced component height extends therewith, can still ensure that upper lid does not occur crooked, structure is reliable
Property high, operational stability it is good；While pressing function is ensured, press switch device of the invention also has good electromagnetism
Shielding properties and a variety of expansion interfaces, can meet different access needs.
Brief description of the drawings
Fig. 1 is the press switch device structural representation of the preferred embodiment of the present invention.
Fig. 2 is the structural decomposition diagram of the press switch device of the preferred embodiment of the present invention.
Fig. 3 is the base arrangement schematic diagram of the press switch device of the preferred embodiment of the present invention.
Fig. 4 is the internal structure schematic diagram of the press switch device of the preferred embodiment of the present invention.
Fig. 5 is the structure decomposition figure of the latching device of the preferred embodiment of the present invention.
The sectional view of the latching device of Fig. 6 preferred embodiment of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and without
It is of the invention in limiting.
Refering to Fig. 1 and Fig. 2, press switch device of the invention can be widely applied to various electronic equipments, including upper lid
Component 10, base assembly 20, elastic component 30, balanced component 40 and circuit board assemblies 50, circuit board assemblies 50 and cover assembly 10
It is relatively fixed, including through hole 500 and multiple avoiding area 51a, elastic component 30 is through through hole 500 and two ends difference elasticity abuts lid
Component 10 and base assembly 20, balanced component 40 include the first swing component 41 and the second swing component 42 arranged in a crossed manner, the first pendulum
Moving part 41, the second swing component 42 are through avoiding area 51a and two ends are respectively rotatably mounted to cover assembly 10 and base group
On part 20.
Specifically, cover assembly 10 includes upper lid 11 and is close to the decoration 12 of the top surface outer surface of lid 11；Circuit board
Component 50 includes circuit board 51 and is covered on the radome 52 of bottom surface of the circuit board 51 with component, and the two passes through screw threads for fastening
Part is fixed on lid 11；What the first through hole 510 and the middle part of radome 52 that through hole 500 is opened up including the middle part of circuit board 51 were opened up
Second through hole 520, avoiding area 51a is the long and narrow breach of two couple for opening up of the periphery of circuit board 51.
Base assembly 20 includes lower cover 21 and bottom plate 22, and bottom plate 22 is fixed on the bottom surface of lower cover 21.With reference to Fig. 3, on bottom plate 22
Briquetting 22a is fixed with, balanced component 40 is rotatably held on bottom plate 22 by briquetting 22a.Pivot joint is additionally provided with bottom plate 22
Fixed seat 23, one end of elastic component 30 is fixed on bottom plate 22 by fixed seat 23.
In order to realize the cooperation of upper lid 11 and lower cover 21, being provided with the wall outer surface compartment of terrain of upper lid 11 has guiding arc
Face 111S extended leg 111, lower cover 21 includes the side wall of annular and turns down the top surface of formation inwardly from top side wall, lower cover 21
Side wall inner surfaces be convexly equipped with curved guiding surface 111S coordinate lead 211, extended leg 111 along lead 211 slidably and by
The top surface of extended leg 111 and lower cover 21 coordinates progress spacing, so, and upper lid 11 will not be from lower caping after being installed from the bottom of lower cover 21
Portion deviates from, and reciprocating motion can be realized in the presence of elastic component 30.Here, elastic component 30 is preferred to use spring.It may be appreciated
It is that also can just use other elastic components such as silica gel, rubber etc..
The present embodiment is on circuit board 51 provided with a variety of expansion interfaces (figure is not marked), such as electric power connecting of circle hole shape mouthful, USB
Mouth, micro USB ports and Mini USB ports etc., offer the jack 110 of correspondence expansion interface on the perisporium of cover assembly 10.
In balanced component 40, the first swing component 41 and the second swing component 42 include connecting rod 401, located at connecting rod 401
Two ends and the first extension rod 402 bent towards the same side and bent from the first extension rod 402 parallel to the direction of connecting rod 401 the
Two extension rods 403, connecting rod 401, the second extension rod 403 are rotatably mounted to base assembly 20 and cover assembly 10 respectively
On.The connecting rod 401 of the present embodiment preferably the first swing component 41 and the second swing component 42 is orthogonal to be set.
Further, the connecting rod 401 of the swing component 42 of connecting rod 401 and second of the first swing component 41 is coplanar is set, the
The connecting rod 401 of one swing component 41 includes the portion 401a that arches upward of arc, and the portion 401a that arches upward is located at the connecting rod of the first swing component 41
401 and second swing component 42 infall, in pressing during lid 11, upper lid 11 overcomes reciprocal under the elastic force of elastic component 30
Motion, while the first swing component 41 and the second swing component 42 are along orthogonal two plane rockings, it is ensured that upper lid 11 is pressed
Press through Cheng Pingwen reliable, will not shake or stuck phenomenon.
The snap fit 11a and latching device for mutual cooperation are also respectively fixed with cover assembly 10 and base assembly 20
24, snap fit 11a and latching device 24 optionally engage or separated.
Fig. 4 is the internal structure schematic diagram of the press switch device of the preferred embodiment of the present invention.In push switch dress
When putting assembling, first snap fit 11a is fixed on upper lid 11, upper lid 11 is loaded from the bottom of lower cover 21, makes leading for extended leg 111
Load to cambered surface 111S along lead 211, the one end of elastic component 30 is fixed on the upper back side of lid 11, then by circuit board 51, shielding
Cover 52 is sequentially loaded into and is fixed on the back side of lid 11；Meanwhile, latching device 24 is fixed on bottom plate 22, by the first swing component 41
Actively it is fastened on bottom plate 22 with the connecting rod 401 of the second swing component 42；Finally, by the first swing component 41 and the second swing component
42 the first extension rod 402 passes through the corresponding avoiding area 51a in the edge of circuit board 51, and by the first swing component 41 and the second swing component
42 the second extension rod 403 is rotatably mounted to the inner surface of lid 11, and bottom plate 22 is fixed to the bottom of lower cover 21.
With reference to Fig. 5 and Fig. 6, the latching device 24 of the present embodiment includes lock tube 241, lock 242, support frame 243, stage clip
244 and control-rod 245, lock tube 241 is hollow shell structure, and stage clip 244, which is fixed on behind the bottom of support frame 243, is contained in lock
Side in set 241, the top of lock 242 has the bayonet socket coordinated with snap fit 11a, and the side wall of lock 242 is spacing provided with master
Block 242a and auxiliary stopper block 242b, main limited block 242a include two spaced two on the length direction of lock 242
Individual " V " shape guide surface and the side for connecting the two " V " shape guide surfaces, two auxiliary stopper block 242b are diagonally positioned and distinguish
It is located above and below main limited block 242a, and face relative with main limited block 242a auxiliary stopper block 242b is mutually equal
OK, formed between main limited block 242a and auxiliary stopper block 242b around the main limited block 242a outer walls guide rail of one week, control-rod
245 are formed as open-topped loop configuration, and its bottom is fixed in lock tube 241, and lock 242 is inserted into another in lock tube 241
Behind side, the bayonet socket bottom of lock 242 abuts support frame 243, while the free end of control-rod 245 is limited in lock 242
In guide rail, and the reciprocating motion of closed trajectory can be made in guide rail during lock 242 moves up and down.
The top of fixed seat 23 offers opening (figure is not marked), and lock tube 241 is inserted in fixed seat 23 and it by the opening
Bottom abuts bottom plate 22, the hang plate 241b of the both sides of lock tube 241 when through opening by towards middle spring compression, through after opening
The abjection of lock tube 241 can be limited.
Specifically, the top of support frame 243 has gap slot 243a, and the bayonet socket bottom surface of lock 242 is protruding with for being inserted in
Projection 242c in gap slot 243a.Two auxiliary stopper blocks A, B are respectively positioned at the oblique upper of main limited block 242a the first side
With the obliquely downward of the second side, control-rod 245 has certain amount of elastic deformation.In its natural state, stage clip 244 passes through ejection upward
Support frame 243 and indirectly ejection lock 242, make lock 242 be in ejection state, now, the free end of control-rod 245 is in main limit
The bottom (main limited block 242a lower left in Fig. 6) of first side of position block 242a bottom surfaces；During upper lid 11 is pressed,
Snap fit 11a, which is pressed, to be caught in the bayonet socket of lock 242 and continues towards pressing, and the free end of control-rod 245 is along main limited block
242a outer surface is mobile clockwise until into the " V " shape guide surface of top, removing pressing force, stage clip in guide rail
244 recover deformation jack-up lock 242, and the free end of control-rod 245 is finally fastened on the minimum point of the " V " shape guide surface of top,
Lock 242 is fastened togather with snap fit 11a, and now, stage clip 244 is still in compressive state, the upper lid group of press switch device
Part 10 is located in base assembly 20, that is, completes snap fit 11a locking operation；Upper lid 11 is pressed again, and lock 242 is moved down, is located at
The auxiliary stopper block A of the oblique upper of main limited block 242a the first side extrudes control-rod 245 towards the second side, makes the edge of control-rod 245
The second side movement of the " V " shape guide surface of top, after minimum point is pressed into, bar 245 processed crosses the " V " shape guide surface of top
Peak, removes external force, and side wall of the control-rod 245 along main limited block 242a is moved to the " V " shape guide surface of lower section, main limited block
242a is that spacing, the homing of control-rod 245, now, the cover assembly of press switch device are no longer carried out to control-rod 245
10 upspring from base assembly 20, and snap fit 11a is to be released, so as to complete releasing process.And so on, and push type can be realized
The loop control of switching device.
After the upper lid 11 of switching device is pressed into base assembly 20, the jack of expansion interface is connected on upper lid 11
110 are hidden to base assembly 20, can prevent dust from entering, when needing to use expansion interface, press again, realize
The functional diversities of switching device.
Several through holes (figure is not marked) worn for threaded fastener are provided with the edge of lower cover 21, screw threads for fastening is utilized
The press switch device can be fixed in the corresponding structure of various electronic equipments (such as intelligent terminal) by part, and protrude electronics
The shell of equipment, while making circuit board 51 be connected with governor circuit, is dismounted very convenient.Because the switching device is provided with extension
Interface, after being installed on electronic equipment, the press switch device can also provide extra expansion interface for electronic equipment.Can
With understanding, the fixed form of press switch device and electronic equipment is not limited in aforesaid way, or buckle,
The fixed forms such as threaded connection.
Provided with the balanced component for connecting cover assembly and base assembly simultaneously in the press switch device of the present invention, upper
During lid is pressed, balanced component is highly decreased, it is ensured that upper lid do not occur it is crooked, whole operation steadily without
Rock；During Shang Gai upsprings, balanced component height extends therewith, can still ensure that upper lid does not occur crooked, structure is reliable
Property high, operational stability it is good.Meanwhile, the installation method for the switching device that the present invention is provided can ensure cover assembly and balance group
It is arranged on without deviating from switching device, simultaneously, moreover it is possible to ensure that press switch device possesses extension and connect the sound constructions such as part
Mouth function.
Described above is only the embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of the application principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (8)
1. a kind of press switch device, it is characterised in that including cover assembly (10), base assembly (20), elastic component (30)
With circuit board assemblies (50), the circuit board assemblies (50) are relatively fixed with the cover assembly (10) and provided with through hole (500),
The elastic component (30) is through the through hole (500) and two ends difference elasticity abuts the cover assembly (10) and the base group
Part (20)；The circuit board (50), which is provided with expansion interface, cover assembly (10) perisporium, offers the correspondence extension
The jack (110) of interface；The cover assembly (10) includes upper lid (11), and the base assembly (20) includes lower cover (21) and bottom
Plate (22), the bottom plate (22) is fixed on the lower cover (21) bottom surface, the wall outer surface compartment of terrain of the cover assembly (10)
Provided with the extended leg (111) with curved guiding surface (111S), the lower cover (21) includes the side wall of annular and from the side wall top
Portion turns down the top surface of formation inwardly, and the side wall inner surfaces of the lower cover (21) are convexly equipped with what is coordinated with the curved guiding surface (111S)
Lead (211), the extended leg (111) is slidably and spacing by the top surface of the lower cover (21) along the lead (211)；
The cover assembly (10) and the base assembly (20) are respectively equipped with snap fit (11a) and latching device (24), the snap fit
(11a) and the latching device (24), which are covered on described after (11) are pressed, optionally to be engaged or separates；It is described in pressing
During upper lid (11), the upper lid (11) overcomes the elastic force of the elastic component (30) to move, when the snap fit (11a) and institute
State after latching device (24) engaging, the jack (110) is located in the base assembly (20).
2. press switch device according to claim 1, it is characterised in that also including balanced component (40), the electricity
Road board component (50) also includes multiple avoiding areas (51a), and the balanced component (40) includes the first swing component arranged in a crossed manner
(41) and the second swing component (42), first swing component (41), second swing component (42) pass through the avoiding area (51a)
And two ends are respectively rotatably mounted on the cover assembly (10) and the base assembly (20).
3. press switch device according to claim 2, it is characterised in that the circuit board assemblies (50) include circuit
Plate (51) and it is covered on the circuit board (51) there is the radome (52) of component side, the through hole (500) includes described
The second through hole (520) opened up in the middle part of the first through hole (510) and the radome (52) opened up in the middle part of circuit board (51), it is described
Avoiding area (51a) is the breach that the circuit board (51) periphery is opened up.
4. press switch device according to claim 1, it is characterised in that the expansion interface is multiple.
5. according to any described press switch devices of claim 1-4, it is characterised in that the expansion interface includes power supply
At least one of interface, USB, micro USB and Mini USB.
6. according to any described press switch devices of claim 2-4, it is characterised in that first swing component (41) and
Second swing component (42) includes connecting rod (401), bent located at the connecting rod (401) two ends and towards the same side the
One extension rod (402) and the second extension rod bent from first extension rod (402) parallel to the connecting rod (401) direction
(403), the connecting rod (401), second extension rod (403) be rotatably mounted to respectively the base assembly (20) and
On the cover assembly (10).
7. press switch device according to claim 6, it is characterised in that the company of first swing component (41)
Extension bar (401) includes the portion that arches upward (401a) of arc, and the portion that arches upward (401a) is described located at first swing component (41)
Connecting rod (401) and the infall of second swing component (42).
8. a kind of electronic equipment, it is characterised in that described to press including any described press switch devices of claim 1-7
Pusher-type switch device is fixed on an electronic device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510621788.2A CN105161932B (en) | 2015-08-26 | 2015-08-26 | Press switch device and electronic equipment |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510621788.2A CN105161932B (en) | 2015-08-26 | 2015-08-26 | Press switch device and electronic equipment |
| CN201510533027.1A CN105225874B (en) | 2015-08-26 | 2015-08-26 | Press switch device and electronic equipment |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510533027.1A Division CN105225874B (en) | 2015-08-26 | 2015-08-26 | Press switch device and electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105161932A CN105161932A (en) | 2015-12-16 |
| CN105161932B true CN105161932B (en) | 2017-11-03 |
Family
ID=54802730
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510533027.1A Active CN105225874B (en) | 2015-08-26 | 2015-08-26 | Press switch device and electronic equipment |
| CN201510621788.2A Active CN105161932B (en) | 2015-08-26 | 2015-08-26 | Press switch device and electronic equipment |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510533027.1A Active CN105225874B (en) | 2015-08-26 | 2015-08-26 | Press switch device and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105225874B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579881A (en) * | 2019-01-08 | 2019-04-05 | 东莞市林积为实业投资有限公司 | A kind of encoder convenient for assembling |
| CN114242493B (en) * | 2021-12-20 | 2022-08-16 | 深圳市金龙格王电子有限公司 | High-precision weak current switch control system |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200953413Y (en) * | 2006-03-13 | 2007-09-26 | 黄华道 | Electrical leakage protection socket with service life stopping detection and detection result prompting function |
| CN101295867A (en) * | 2007-04-27 | 2008-10-29 | 晋煜企业股份有限公司 | Overload protecting switch device |
| CN101471191B (en) * | 2007-12-24 | 2011-09-21 | 深圳富泰宏精密工业有限公司 | Key structure and electronic device using the same |
| CN101556872B (en) * | 2008-04-07 | 2011-07-20 | 怡利电子工业股份有限公司 | Keyboard device formed by multi-axis balancing touch keys |
| CN101645566B (en) * | 2008-08-07 | 2013-07-24 | 林雪莲 | Leakage protection socket |
| US20100300857A1 (en) * | 2009-05-27 | 2010-12-02 | Cheng Chia-Fa | Key switch |
| DE102011016220A1 (en) * | 2011-04-06 | 2012-10-11 | Abb Ag | Rocker support with at least one rocker switch a door station or home station of a home communication system |
| TWI428945B (en) * | 2011-05-11 | 2014-03-01 | Wistron Corp | Key device, combination of a supporter and a key cover, and manufacture method |
| CN202996650U (en) * | 2012-12-12 | 2013-06-12 | 东莞市群佳实业有限公司 | Television button device |
| CN104505292B (en) * | 2014-11-19 | 2017-12-12 | 余正明 | A kind of long stroke keyboard switch |
-
2015
- 2015-08-26 CN CN201510533027.1A patent/CN105225874B/en active Active
- 2015-08-26 CN CN201510621788.2A patent/CN105161932B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105161932A (en) | 2015-12-16 |
| CN105225874A (en) | 2016-01-06 |
| CN105225874B (en) | 2017-10-24 |
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