CN107180715B - A kind of button with buffering overtravel structure - Google Patents
A kind of button with buffering overtravel structure Download PDFInfo
- Publication number
- CN107180715B CN107180715B CN201710606362.9A CN201710606362A CN107180715B CN 107180715 B CN107180715 B CN 107180715B CN 201710606362 A CN201710606362 A CN 201710606362A CN 107180715 B CN107180715 B CN 107180715B
- Authority
- CN
- China
- Prior art keywords
- shell
- button
- bolster
- buffering
- connecting rod
- 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
- H01H13/023—Light-emitting indicators
-
- 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
- H01H13/20—Driving mechanisms
Landscapes
- Elevator Control (AREA)
- Push-Button Switches (AREA)
Abstract
The invention discloses a kind of buttons with buffering overtravel structure, including first shell, bolster, link assembly and second shell, first shell is equipped with a mounting hole for installing button panel, second shell bottom surface is provided with circuit board, and circuit board surface is equipped with button switch and several light emitting diodes；First shell is connected with second shell, and bolster and link assembly are set between first shell and second shell, and bolster is connected by link assembly with second shell；Bolster middle section is round and by axle center of its axial line in sinking swirl shape engraved structure; deformation occurs and contacts with button switch for bolster when push button; when pressing stroke is more than button switch stroke, bolster protects button switch by further elastic deformation.The configuration of the present invention is simple, simple to install extend the service life of button switch and improve the luminescent properties of button.
Description
Technical field
The present invention relates to PBU pushbutton unit field more particularly to a kind of buttons with buffering overtravel structure.
Background technique
Button is a kind of common control electric elements, and being commonly used to be switched on or switched off " control circuit ", (wherein electric current is very
It is small), to reach control motor or a kind of switch of other electric equipment operation purposes.Button has many uses, such as electricity
The lifting of ladder；Starting and shutdown, forward and reverse of lathe etc.；The starting of tower crane stops, and rises, decline, forward and backward,
Left and right, at a slow speed or quickly operation etc., requires button control.
By taking elevator button as an example, elevator button is an important component of human-computer exchange, and frequency of use is very high, but in electricity
In actual use, the failure rate of button can not have always been high any more ladder.Currently, elevator button generally comprises shell, presses portion
Part, switch, circuit board and spring, press the control elevator movement of component triggers button switch, and pressing dynamics are excessive so that pressing row
Journey is more than button switch stroke, and prolonged and repeated button press especially overexerts, and will damage button switch, shortens button
The service life of component.
Elevator button realizes auto-reset function using the elastic force of spring, still, with the increasing of spring access times,
The problems such as compression strength and different direction so that spring be easy to follow the string even damage, cause elevator button by by
Even stuck situation can not be resetted after lower to occur, prevent elevator from closing the door, cannot be run；In addition, mostly in button assembly
Spring all directly push against and be connected to by between dynamic component and circuit board, the insulating outer layer quilt of circuit board after button has used long
Spring wear contacts between spring and circuit and is also easy to produce short circuit.
In addition to elevator button, similarly there is above-mentioned technical problem, make to people's lives in other same type of buttons
At very big puzzlement, it would be highly desirable to solve.
Summary of the invention
In light of the defects in the prior art, the purpose of the invention is to provide a kind of pressing with buffering overtravel structure
Button using buffering overtravel structural defence button switch and improves the easily stuck phenomenon of button, and extend button assembly uses the longevity
Life, and it is easy to assembly, improve production efficiency.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is that: providing a kind of has buffering overtravel knot
The button of structure, including first shell, second shell, circuit board and button panel, the first shell has a mounting hole, described to press
Button plate is set in mounting hole, and the circuit board is set to second shell bottom surface, and the circuit board surface is provided with button switch
With several light emitting diodes, the first shell is connect with second shell, and the button further includes bolster and link assembly,
The bolster and link assembly are set between the first shell and second shell, and the link assembly is equipped with positioning column,
The second shell two sides are equipped with the location hole to match with the positioning column, the link assembly and second shell described in
Positioning column and positioning hole cooperation is fixedly connected, and the bolster bottom surface is equipped with spring secures rail to sleeper, and the bolster passes through spring secures rail to sleeper
It hooks and connects with link assembly；
The bolster middle section is round and by axle center of its axial line in sinking swirl shape engraved structure, described to engrave
Hollow structure enables the light of light emitting diode to appear, and the sinking central part trigger button switch of the bolster works as pressing
When stroke is more than button switch stroke, the bolster protects button switch by elastic deformation.
Preferably, the bolster can be made into transparent configuration, increase translucent effect and reduce light emitting diode because of obstacle
The loss of object bring luminous energy and shade.
Preferably, the bolster material is stretchy nylon PA12, the every stress 1N of bolster, deformation quantity 0.2mm.
Further, the round sinking swirl shape engraved structure edge of the bolster is equipped with equal as axle center using its axial line
Several arc grooves of even distribution, the arc groove can effectively improve the elastic property of bolster and increase translucent effect, institute
The two sides for stating spring secures rail to sleeper are respectively equipped with strip-shaped hole, and the strip-shaped hole improves spring secures rail to sleeper elastic property.
Specifically, the sinking centre bottom of the bolster engraved structure is equipped with a boss, the boss and button switch
Contact or disconnect realize open and close movement and light emitting diode it is bright, go out.
Preferably, the first shell further includes light guide ring, and the light guide ring is embedded in the mounting hole.
Preferably, the link assembly includes first connecting rod and second connecting rod, and the first connecting rod and second connecting rod are distinguished
Including two symmetrically arranged link arms, the first connecting rod and second connecting rod are intermeshed by link arm and are connected.
Preferably, the first connecting rod and second connecting rod are respectively equipped with a return unit, and the return unit bottom is provided with multiple
Position spring.
Further, the second shell bottom is equipped with a square through hole, and the second shell includes bottom plate (41) and peace
Dress portion, the mounting portion are set to the side of second shell, and the bottom plate side is equipped with the second bayonet, the square through hole side
Equipped with the second fastener matched, the bottom plate is connected to the bottom surface of second shell, button by the second bayonet and the second fastener
The circuit board of component is arranged in the backplate surface, and bottom plate is detachably connected with second shell, facilitates the replacement of button assembly
And installation.
Specifically, there are four the first bayonets for the bottom surrounding tool of the first shell, and the side of the second shell has
Four the first fasteners matched, the first shell are connected with second shell by the first bayonet and the first fastener, so that
First shell 1, bolster 2, link assembly 3 and second shell 4 are integrally formed.
The button with buffering overtravel structure provided by the invention, has the following beneficial effects:
1. the present invention realizes the reset function of button using resilient snubber and reset spring, double reset makes elevator
Button is bounced in time and is not easy stuck.
2. bolster of the invention is in sinking swirl shape engraved structure, bolster passes through when pressing stroke is more than switch over travel
Elastic deformation protects button switch not damaged, and bolster material uses electric insulation and the exsertile stretchy nylon of fatigue durability
PA12, the very service life for extending button assembly of limits.
3. bolster edge of the invention is equipped with arc groove, spring secures rail to sleeper two sides are equipped with strip-shaped hole, effectively increase buffering
The elastic property of part improves its reset capability and cushion performance.
4. the present invention can be suitable for a variety of instruments, and the present invention matches snapping with bayonet by link assembly and fastener
Type of attachment assembles each section, and structure is simple and easy to assembly, improves production efficiency.
5. the present invention includes light guide ring, and bolster can be made into transparent configuration, increase translucent effect and reduce luminous two
Pole pipe is because of the loss of barrier bring luminous energy and shade.
Detailed description of the invention
It, below will be to required in embodiment or description of the prior art in order to illustrate more clearly of technical solution of the present invention
The attached drawing used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, right
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Its attached drawing.
Fig. 1 is the button overall schematic with buffering overtravel structure of the invention；
Fig. 2 is the button decomposition diagram with buffering overtravel structure of the invention；
Fig. 3 is the decomposition diagram of first shell of the invention；
Fig. 4 is the front schematic view of bolster of the invention；
Fig. 5 is the reverse side schematic diagram of bolster of the invention；
Fig. 6 is the section view of the main view of the package assembly of first shell and bolster of the invention, side view and the direction A-A
Figure；
Fig. 7 is the front schematic view of link assembly of the invention；
Fig. 8 is the reverse side schematic diagram of first connecting rod and second connecting rod of the invention；
Fig. 9 is the decomposition diagram of second shell of the invention.
Wherein, appended drawing reference is corresponding in figure are as follows: 1- first shell, 11- light guide ring, 12- mounting hole, the first bayonet of 13-, 2-
Bolster, 21- spring secures rail to sleeper, 22- strip-shaped hole, 23- arc groove, 24- boss, 3- link assembly, 31- first connecting rod, 32- second
Connecting rod, 33- link arm, 34- positioning column, 35- return unit, 36- reset spring, 4- second shell, 41- bottom plate, 42- mounting portion,
The first fastener of 43-, 44- location hole, the second bayonet of 45-, the second fastener of 46-, 47- avoid holes, 48- connecting rod card slot, 5- circuit board,
51- button switch, 52- light emitting diode.
Specific embodiment
Below in conjunction with attached drawing, the technical solution in example is applied to the present invention and is clearly and completely described, it is clear that is retouched
The embodiment stated is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without creative labor, belongs to this hair
The range of bright protection.
Embodiment one:
Preferably there is the overall schematic of the button of buffering overtravel structure for the present invention as shown in Figure 1, which sets
It is placed on elevator control panel, for controlling the stopped floor of elevator, Fig. 2 show the button with buffering overtravel structure
Decomposition diagram, including first shell 1, bolster 2, link assembly 3, second shell 4, circuit board 5 and button panel (are not marked in figure
Know)；The first shell has a mounting hole 12, and the button panel is set in mounting hole 12, and the circuit board 5 is set to the
Two shells, 4 bottom surface, 5 surface of circuit board are provided with button switch 51 and several light emitting diodes 52, the first shell 1
It is connect with second shell 4, the bolster 2 and link assembly 3 are set between first shell 1 and second shell 4, and bolster
2 are connected by link assembly 3 with second shell 4.
The decomposition diagram of first shell 1 is as shown in figure 3, first shell 1 has a mounting hole 12 so that button panel is (in figure
Do not identify) installation, first shell 1 further includes the light guide ring 11 that can be embedded in mounting hole 12, and the light guide ring 11 will be for that will send out
The light of optical diode 52 uniformly issues.There are four the first bayonets 13 for the bottom tool of first shell 1, corresponding, in second shell 4
Lateral parts there are four the first fasteners 43 matching, the first shell 1 and second shell 4 by the first bayonet 13 and
First fastener 43 is connected, so that first shell 1, bolster 2, link assembly 3 and second shell 4 are integrally formed.
The front of bolster 2, reverse side schematic diagram are as shown in Figure 4 and Figure 5, and 2 periphery of bolster is quadrangle, and middle section is
Round and be axle center using its axial line be in sinking swirl shape engraved structure, the edge of the swirl shape engraved structure is equipped with multiple with it
Axial line is the equally distributed arc groove 23 in axle center, and bolster 2 can effectively improve its elastic property using the structure, and can increase
Add translucent effect.2 bottom of bolster is set there are four spring secures rail to sleeper 21, and the bolster 2 passes through spring secures rail to sleeper 22 and connecting rod
Component 3 hooks connection, and the two sides of four spring secures rail to sleepers 21 are respectively equipped with a strip-shaped hole 22, so that 21 elasticity of spring secures rail to sleeper
Performance improves.
In addition, the sinking centre bottom of 2 engraved structure of bolster is equipped with a boss 24, which connects with button switch 51
Touching disconnects the movement of realization elevator and the light on and off of light emitting diode 52.
Package assembly main view, side view and the cross-sectional view of first shell 1 and bolster 2 are as shown in fig. 6, the first shell
The mounting hole 12 of body 1 is up-narrow and down-wide step pore structure, and the light guide ring 11 is circular ring structure wide at the top and narrow at the bottom, the buffering
The circular edge height of 2 middle section of part is greater than the peripheral portion of bolster 2, i.e., the described circular edge protrudes from bolster 2 weeks
Plane where rim portion.The light guide ring 11 is embedded in mounting hole 12 and between the two there are a gap, the bolster 2
Circular edge protrusion is inserted into the gap, push button, and bolster 2 is under pressure, and deformation occurs, and deformation drives boss 24
It is contacted with button switch so that elevator movement and lumination of light emitting diode；When firmly push button, making pressing stroke is more than switch
After stroke, the further elastic deformation of the bolster 2 can protect button switch not damaged.
Preferably, the material of the bolster 2 is stretchy nylon PA12, bolster 2 every stress 1N, deformation quantity 0.2mm.
The bolster 2 can be made into transparent configuration, increase translucent effect and reduce light emitting diode because barrier bring luminous energy damages
Consumption and shade.
The structural schematic diagram of link assembly 3 is as shown in Figure 7 and Figure 8, and link assembly 3 includes first connecting rod 31 and second connecting rod
32, the first connecting rod 31 and second connecting rod 32 respectively include two symmetrically arranged link arms 33,31 He of first connecting rod
Second connecting rod 32 passes through the intermeshing connection of link arm 33；A positioning column 34 is respectively provided on the link arm 33, correspondingly, the
The lateral parts of two shells 4 are equipped with the location hole 44 that matches, the link assembly 3 and second shell 4 by positioning column 34 and
Location hole 44, which matches, to achieve a fixed connection.Preferably, the first connecting rod 31 and second connecting rod 32 further respectively have a reset
Part 35,35 bottom of return unit are provided with reset spring 36, and the reset spring 36 is located at the two sides of circuit board 5, can bear
The pressure of different directions and damage is not caused stress to circuit board 5.
The decomposition diagram of second shell 4 is as shown in figure 9,4 bottom of second shell is equipped with a square through hole, the second shell
Body 4 includes bottom plate 41 and mounting portion 42, and the mounting portion 42 is used to for the present invention being mounted on the switch panel of elevator, the bottom
41 side of plate is equipped with 4 the second bayonets 45, and correspondingly, the square through hole side of the second shell 4 is equipped with match second
Fastener 46, the bottom plate 41 are connected to 4 bottom surface of second shell by the second bayonet 45 and the second fastener 46.The bottom plate 41 is metal plate
Golden part, the circuit board 5 are arranged on 41 surface of bottom plate, and bottom plate 41 is detachably connected with second shell 4, facilitates circuit board 5
Replacement and installation.
Preferably, the second shell 4 further includes four avoid holes 47 and several connecting rod card slots 48, the avoid holes 47
In the bottom surface of the second shell 4 and corresponding with the spring secures rail to sleeper of bolster 2 21, the avoid holes 47 are square through hole and use
In evacuation spring secures rail to sleeper 21；The connecting rod card slot 48 is set to 4 bottom surface of second shell and is used for the fixation of link assembly 3.
Embodiment two:
The structure for having the button of buffering overtravel structure of the present embodiment is basically the same as the first embodiment, and difference is electricity
Road plate 5 and button panel are changed to tower crane and rise circuit board and button panel used in control button, and the installation of second shell 4
42 position change of portion, which is mounted on the control panel of tower crane.The rising control button application is frequent, button
The indicating light for being easy that overtravel uses and needs are brighter is switched, the button with buffering overtravel structure of the invention can be protected
It protects the control button and switchs luminescent properties and operating handle not damaged and that improve button.In the same manner, by changing mounting portion
Of the invention can be had buffering overtravel structure by 42 position, the type of circuit board and button panel and the material of bolster
Button be applied to other instruments, details are not described herein.
The button with buffering overtravel structure provided by the invention, has the following beneficial effects:
1. the present invention realizes the reset function of button using resilient snubber and reset spring, double reset makes elevator
Button is bounced in time and is not easy stuck.
2. bolster of the invention is in sinking swirl shape engraved structure, bolster passes through when pressing stroke is more than switch over travel
Elastic deformation protects button switch not damaged, and bolster material uses electric insulation and the exsertile stretchy nylon of fatigue durability
PA12, the very service life for extending button assembly of limits.
3. bolster edge of the invention is equipped with arc groove, spring secures rail to sleeper two sides are equipped with strip-shaped hole, effectively increase buffering
The elastic property of part improves its reset capability and cushion performance.
4. the present invention can be suitable for a variety of instruments, and the present invention matches snapping with bayonet by link assembly and fastener
Type of attachment assembles each section, and structure is simple and easy to assembly, improves production efficiency.
5. the present invention includes light guide ring, and bolster can be made into transparent configuration, increase translucent effect and reduce luminous two
Pole pipe is because of the loss of barrier bring luminous energy and shade.
Above disclosed be only several preferred embodiments of the invention, cannot limit the present invention's certainly with this
Interest field, therefore equivalent changes made in accordance with the claims of the present invention, are still within the scope of the present invention.
Claims (10)
1. a kind of button with buffering overtravel structure, including first shell (1), second shell (4), circuit board (5) and press
Button plate, the first shell have a mounting hole (12), and the button panel is set in mounting hole (12), the circuit board (5)
It is set to second shell (4) bottom surface, circuit board (5) surface is provided with button switch (51) and several light emitting diodes
(52), the first shell (1) connect with second shell (4), it is characterised in that:
The button further includes bolster (2) and link assembly (3), and the bolster (2) and link assembly (3) are set to described
Between first shell (1) and second shell (4), the link assembly (3) is equipped with positioning column (34), the second shell (4) two
Side is equipped with the location hole (44) to match with the positioning column (34), the link assembly (3) and second shell (4) described in
Positioning column (34) is fixedly connected with location hole (44) cooperation, and bolster (2) bottom surface is equipped with spring secures rail to sleeper (21), the buffering
Part (2) is hooked by spring secures rail to sleeper (21) and link assembly (3) and is connected；
The second shell (4) further includes four avoid holes (47), and the avoid holes (47) are located at the second shell (4)
Bottom surface is simultaneously corresponding with spring secures rail to sleeper (21) of bolster (2), and the avoid holes (47) are square through hole and are used to avoid elasticity
Fastener (21)；
Bolster (2) middle section is round and by axle center of its axial line in sinking swirl shape engraved structure, described to engrave
Hollow structure enables the light of light emitting diode (52) to appear, the round sinking swirl shape engraved structure side of the bolster (2)
Edge is equipped with using its axial line as the equally distributed several arc grooves (23) in axle center, the sinking central part of the bolster (2)
Trigger button switchs (51), and when pressing stroke is more than button switch stroke, the bolster (2) is pressed by elastic deformation protection
Button switch (51).
2. the button with buffering overtravel structure according to claim 1, it is characterised in that: bolster (2) energy
It is enough made into transparent configuration, increases translucent effect.
3. the button with buffering overtravel structure according to claim 2, it is characterised in that: bolster (2) material
Matter is stretchy nylon PA12, the every stress 1N of bolster (2), deformation quantity 0.2mm.
4. the button with buffering overtravel structure according to claim 2, it is characterised in that: the spring secures rail to sleeper (21)
Two sides be respectively equipped with strip-shaped hole (22).
5. the button with buffering overtravel structure according to claim 1, it is characterised in that: the bolster (2) is engraved
The sinking centre bottom of hollow structure is equipped with a boss (24), and the boss (24) contacts or disconnect realization with button switch (51)
Open and close movement and light emitting diode (52) it is bright, go out.
6. the button with buffering overtravel structure according to claim 1, it is characterised in that: the first shell (1)
It further include light guide ring (11), the light guide ring (11) is embedded in the mounting hole (12).
7. the button with buffering overtravel structure according to claim 1, it is characterised in that: the link assembly (3)
Including first connecting rod (31) and second connecting rod (32), the first connecting rod (31) and second connecting rod (32) respectively include two symmetrically
The link arm (33) of setting, the first connecting rod (31) and second connecting rod (32) pass through link arm (33) intermeshing connection.
8. the button with buffering overtravel structure according to claim 7, it is characterised in that: the first connecting rod (31)
It is respectively equipped with a return unit (35) with second connecting rod (32), return unit (35) bottom is provided with reset spring (36).
9. the button with buffering overtravel structure according to claim 1, it is characterised in that: the second shell (4)
Bottom is equipped with a square through hole, and the second shell (4) includes bottom plate (41) and mounting portion (42), mounting portion (42) setting
In the side of second shell (4), bottom plate (41) side is equipped with the second bayonet (45), and the square through hole side, which is equipped with, to match
The second fastener (46) closed, the bottom plate (41) are connected to second shell (4) by the second bayonet (45) and the second fastener (46)
Bottom surface.
10. having the button of buffering overtravel structure, feature described in any one of -9 claims according to claim 1
Be: there are four the first bayonet (13) for the bottom surrounding tool of the first shell (1), and the side of the second shell (4) has
Four the first fasteners (43) matched, the first shell (1) and second shell (4) pass through the first bayonet (13) and the first button
Part (43) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710606362.9A CN107180715B (en) | 2017-07-24 | 2017-07-24 | A kind of button with buffering overtravel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710606362.9A CN107180715B (en) | 2017-07-24 | 2017-07-24 | A kind of button with buffering overtravel structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107180715A CN107180715A (en) | 2017-09-19 |
| CN107180715B true CN107180715B (en) | 2019-11-05 |
Family
ID=59838082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710606362.9A Active CN107180715B (en) | 2017-07-24 | 2017-07-24 | A kind of button with buffering overtravel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107180715B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108529365A (en) * | 2018-06-23 | 2018-09-14 | 南通昌荣机电有限公司 | A kind of elevator microswitch actuating mechanism |
| CN108682584A (en) * | 2018-06-29 | 2018-10-19 | 深圳市尤迈医疗用品有限公司 | Flexible switch |
| CN112599368A (en) * | 2020-12-08 | 2021-04-02 | 西安精密机械研究所 | Conduction mechanism and separation signal generator |
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| CN205487857U (en) * | 2016-02-25 | 2016-08-17 | 广州视睿电子科技有限公司 | Key structure |
| CN207021181U (en) * | 2017-07-24 | 2018-02-16 | 南通昌荣机电有限公司 | A kind of button with buffering overtravel structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005011672A (en) * | 2003-06-19 | 2005-01-13 | Omron Corp | Pushbutton switch |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201130613Y (en) * | 2007-07-31 | 2008-10-08 | 海安昌荣博创机电制造厂 | Press button |
| CN201430580Y (en) * | 2009-04-02 | 2010-03-24 | 宣德科技股份有限公司 | Low-altitude multidirectional indicating button structure |
| CN103366997A (en) * | 2013-08-02 | 2013-10-23 | 江苏莘翔机电有限公司 | Ultrathin parallel movement button with obvious sense of touch |
| CN205081040U (en) * | 2015-07-14 | 2016-03-09 | 华升富士达电梯有限公司 | Ultra -thin type button switch of parallel motion |
| CN205282343U (en) * | 2016-01-08 | 2016-06-01 | 刘丽娜 | Panel button structure |
| CN205487857U (en) * | 2016-02-25 | 2016-08-17 | 广州视睿电子科技有限公司 | Key structure |
| CN207021181U (en) * | 2017-07-24 | 2018-02-16 | 南通昌荣机电有限公司 | A kind of button with buffering overtravel structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107180715A (en) | 2017-09-19 |
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