CN105655175B - A kind of ultra-thin elevator button - Google Patents
A kind of ultra-thin elevator button Download PDFInfo
- Publication number
- CN105655175B CN105655175B CN201610180443.2A CN201610180443A CN105655175B CN 105655175 B CN105655175 B CN 105655175B CN 201610180443 A CN201610180443 A CN 201610180443A CN 105655175 B CN105655175 B CN 105655175B
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- Prior art keywords
- button
- word slice
- elastomer
- ultra
- panel
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Classifications
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- 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
- H01H13/18—Operating parts, e.g. push-button adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift
-
- 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
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/83—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
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- Elevator Control (AREA)
Abstract
The invention provides a kind of ultra-thin elevator button, its innovative point is:Moving part, button housing, several elastomers and pcb board are pressed including button word slice, button;The button word slice and button bond between pressing moving part, and the button word slice and button after the bonding press moving part and be connected combination with elastomer between pcb board again;With reference to being fixed on again by button housing on the panel of lift car manipulation device afterwards.The function of existing button word slice and word slice framework and guide is integrated on a part by the present invention, after above-mentioned several parts are sequentially connected assembling, both the use of elevator button can have been realized, also achieve button thickness and be reduced to 9 10mm or so, the inner space of elevator operation apparatus has been saved, has reduced the time of installation and reduces the cost of parts production.
Description
Technical field
The present invention relates to elevator button technical field, more particularly to a kind of ultra-thin elevator button.
Background technology
Traditional elevator button is all using cylindrical structure, on the panel of the elevator console in lift car,
Or be as shown in Figure 1 elevator button of the prior art on the elevator calling box of each floor, elevator button is in cylinder
Body structure, respectively button button 1, button housing 6, microswitch 2 and PCB liner plates and background light 3 from outside to inside, button is whole
Body is embedded in the elevator calling box outside elevator console or floor, and passenger is inwardly pressed so as to send floor signal with finger.But
It is that conventional button uses this perpendicularly inward mechanical movement, is moved back and forth by spring, due to thin in motion process
Small particle enters button sideshake, and the phenomenon for causing button stuck also occasionally has generation.And traditional elevator button is using pcb board
Longitudinal stack is installed, overall in vertical direction thicker, increases construction volume in some cases, to technical staff spatial choice more than
Ground is smaller.Elevator button is generally by button word slice, button word slice framework, guide, elastic mechanism, housing, bolster, line
The parts such as road plate form.Elevator button is not simple microswitch type till now, but to carry out two to microswitch
Secondary processing, housing installation, carrying out high-precision panel cut out, assembling that last process could be completed, there is provided give passenger to use.By
More frequent in the number used, elevator button is also one of consumable accessory of elevator.With the increase of elevator service life, elevator
The renewal of button product, the elevator button product more renewed on original panel are the very normal things of part, but peace during replacement
Dress process is relatively difficult, and the price for frequently replacing button is not also low.
In present technology, elevator console is made into ultrathin type so that space reduce, cause existing original height by
Button can not be installed and used.Therefore need that the smaller button of thickness is installed, and many old-fashioned buttons have many parts now, it is thick
Spend larger, it is impossible to adapt to the button assembling demand of existing ultra-thin operation panel, such as Chinese patent CN 203820220U are disclosed
A kind of elevator button, it is characterised in that:Including metal clips (1), the plastic light-transmission plate (4) that metal clips (1) is stated in residence is surround,
Connect the plastic light-transmission plate (4) and with the plastic light-transmission plate (4) and the button shell of the metal clips (1) synthetic cavity
(7), the cavity bottom is provided with pcb board (6), and pcb board (6) upper end is provided with the cathode contact in certain distance
(2) and cathode contact (3), LED light (5) are arranged on the outer end of the pcb board (6) in a ring, and the metal clips (1) exists
Surface in the cavity is coated with conductive material.The technical scheme directly expels both positive and negative polarity using the elastic force of metal clips and touched
The contact of point so that shell fragment without extra load, meanwhile, reducing the spring, shell, structure, the button such as panel in the external world can do
It is very thin, directly installed using surface stuck type, but the part of the elevator button is still complicated, and the button thickness after assembling is still
Between 10~14.5mm.
Current elevator button thickness is thicker, causes the thickness of elevator control panel also thicker, and installation is inconvenient, and profile
Unsightly.Elevator button when carrying out pressing operations, its word slice part can not overall parallel motion, word slice easily tilts, presses
Dynamic stuck phenomenon, and its actuating length is small, sense of touch unobvious.And for example it is embedding to disclose kind of ultrathin type by Chinese patent CN204111096U
Enter formula elevator button, it includes character board, even aperture, is oriented to fixed plate, transmission pressing plate, resets pressing plate, power transmission shaft, terminals
Son, back-moving spring, lower house, character board are embedded in even aperture, and transmission pressing plate is connected to the inside of fixed guide fixed board, and character
Board, even aperture be limited in be oriented to fixed plate, transmission pressing plate between, be oriented to fixed plate fixed with lower house, also comprising transmission levers,
Conductive reed, pcb board, conductive contact, a pair of power transmission shafts are symmetrically arranged with lower house, reset is provided with the middle part of power transmission shaft
Pressing plate, reset pressing plate and be engaged with the back-moving spring being fixed on inside lower house, the both ends of power transmission shaft are connected by transmission levers
Composition parallel drive support is connect, the parallel drive mid-stent is provided with a pcb board, and pcb board passes through wire and binding post electricity
Connection.The technical scheme is set using conductive contact as electric elements conductive contact and conductive reed in diagonal, is advantageous to
Pressure is adjusted, makes pressure steady;Using transmission levers, power transmission shaft composition parallel drive support, then coordinate leading for diagonal setting
Electric reed, word slice is not tilted, be not stuck, but more element is added in the technical scheme so that production cost is significantly
Increase.
The content of the invention
To overcome elevator button part present in prior art complicated, button thickness is larger, it is impossible to adapts to existing super
The problem of button assembling demand of thin operation panel, the invention provides a kind of ultra-thin elevator button.
The technical solution adopted by the present invention is:A kind of ultra-thin elevator button, its innovative point are:Including button word slice, press
Button presses moving part, button housing, several elastomers and pcb board;The button word slice and button bond between pressing moving part, described viscous
Button word slice and button after conjunction press moving part and are connected combination with elastomer between pcb board again;With reference to passing through button shell again afterwards
Body is fixed on the panel of lift car manipulation device.
On this basis, the button word slice and button are bonded between pressing moving part using mold injection or glue.
On this basis, the elastomer is spring.
On this basis, the elastomer concrete structure is:Elastomer generally arcuate structure, the arc both ends of elastomer
It is connected to button to press on moving part, curved bottom is connected on pcb board, and the length of arcuate structure is 2~5mm.
On this basis, the arc-shaped bend angle of the arcuate structure is 5~15 °.
On this basis, the arcuate structure of the elastomer is hollow arcuate structure, is filled out in the hollow arcuate structure
Filled with filler.
On this basis, the filler is rubber and plastic elastic reset body or illuminating part or rubber and plastic elastic reset body and illuminating part
Assembly.
On this basis, the button word slice includes word slice panel, word slice ring and light guide plate, and it is logical that the word slice ring includes one
Hole, the word slice panel are abutted with the light guide plate, are set along in the through hole;The button word slice surface is provided with one
Digit groove, the shape of the digit groove and required digit form fit.
On this basis, the guide-lighting plate shape and required digit form fit, and mutually insertion is tied with digit groove
Close.
On this basis, the word slice panel is the word slice panel that background color is dark-coloured system;The word slice panel is using injection
Shaping.
Compared with prior art, the beneficial effects of the invention are as follows:
(1) ultra-thin elevator button of the invention, including button word slice, button press moving part, button housing, several elastomers
And pcb board, the function of existing button word slice and word slice framework and guide is integrated on a part, above-mentioned several portions
After part is sequentially connected assembling, the use of elevator button can be both realized, button thickness is also achieved and is reduced to 9-10mm or so, is saved
The about inner space of elevator operation apparatus, reduce the time of installation and reduce the cost of parts production.
(2) ultra-thin elevator button of the invention, button are pressed to be connected with elastomer between moving part and pcb board and combined so that bullet
Property body and button produce certain cushion effect between pressing moving part, and when button word slice pushes, impulse force is uniform, to elevator button in itself
Damage is lowered significantly, extends the service life of button.
(3) ultra-thin elevator button of the invention, elastomer generally arcuate structure, the arc both ends of elastomer connect respectively
Pressed in button on moving part, curved bottom is connected on pcb board, and the length of arcuate structure is 2~5mm, sets the length of arcuate structure
Scope is spent, can be pressed in button can be arranged as required to one or more elastomers and be attached between moving part and pcb board, can
To meet different elastic demands, flexibly and easily.
(4) ultra-thin elevator button of the invention, the elastomer of flexible arc structure, arc-shaped bend angle are 5~15 °, arc
The angle of bend of shape structure determines the standoff distance at elastomer both ends, can influence the elastic force of resilience after button pressed downwards, bending
Angle is excessive, and button is upspring too high, and angle of bend is too small, the cushioning effect unobvious that elastomer is upspring for button.
(5) ultra-thin elevator button of the invention, it is creative that the arcuate structure of elastomer is arranged to hollow arc knot
Structure, the hollow arcuate structure is interior to be filled with filler, the increase of filler, can there is multiple choices, such as filler is rubber
Elasto-plasticity resets body or illuminating part or the assembly of rubber and plastic elastic reset body and illuminating part, can increase rubber and plastic elastic reset body and enter
One step increases elastic recoil power, can also increase illuminating part, the digit on button word slice is produced into light, effect is extensive.
(6) ultra-thin elevator button of the invention, button word slice surface are provided with a digit groove, the digit groove
Shape and required digit form fit, after the groove is connected with light guide plate, translucency is good, and digit brightness is big;More preferably, lead
Tabula rasa shape and required digit form fit, and with digit groove is mutually embedded combines, can cause light guide plate former material and
Making greatly reduces, and can reduce cost, can also greatly reduce the thickness of elevator button.
(7) ultra-thin elevator button of the invention, word slice panel are the word slice panel that background color is dead color system, the word slice of dark-coloured system
Panel does background, can improve the brightness of button word slice in itself, and word slice panel uses injection molding, sound construction, can on panel
To open square opening or circular port or other figure holes, injection molding is various, facilitates customization.
Brief description of the drawings
Fig. 1 is the texture edge schematic diagram of the ultra-thin elevator button of the present invention;
Fig. 2 is the elastomer structure schematic diagram of the ultra-thin elevator button of the present invention;
Fig. 3 is the specific scheme of installation of elastomer of the ultra-thin elevator button of the present invention;
Fig. 4 is the elastomer another kind structural representation of the ultra-thin elevator button of the present invention;
Fig. 5 is the button word slice structural representation of the ultra-thin elevator button of the present invention;
Fig. 6 is the button word slice another kind structural representation of the ultra-thin elevator button of the present invention.
Embodiment
Below in conjunction with drawings and examples, the present invention will be described in further detail.It is it should be appreciated that described herein
Specific embodiment only to explain the present invention, is not intended to limit the present invention.
The present invention discloses a kind of ultra-thin elevator button, as shown in Figure 1:Schematically illustrate the structural portion of elevator button
Part, including button word slice 11, button press moving part 12, button housing 13, several elastomers 14 and pcb board 15;Will be above-mentioned several
After part is sequentially connected assembling, the use of elevator button can be both realized, button thickness is also achieved and is reduced to 9-10mm or so,
The inner space of elevator operation apparatus has been saved, has reduced the time of installation and reduces the cost of parts production.Specifically,
The button word slice 11 and button bond between pressing moving part 12, and specific bonding mode has diversity, is not restricted herein, excellent
Choosing, button word slice 11 and button press using mold injection bonding between moving part 12, relatively simple, can also be glued using glue
Close;Button word slice 11 and button after bonding press that moving part 12 is overall to be combined between pcb board 15 again, i.e., pcb board 15 be attached to by
Button presses the side of moving part 12, and the surface of button word slice 11 then sets numeral or other characters;Pcb board 15 is attached to button and presses moving part
12 are combined using the connection of elastomer 14;With reference to the panel for being fixed on lift car manipulation device by button housing 13 again afterwards
On.
As preferable, the elastomer of present embodiment can only be used as attachment structure, therefore, can select elastomer 14
For spring;And without limiting, the structure of elastomer 14 can also be as the elastic construction with certain compensator or trimmer pressure so that elasticity
Body 14 and button produce certain cushion effect between pressing moving part 12, and when button word slice 11 pushes, contact button presses moving part 12, and then
Push elastomer 14;So as to ensure that impulse force is uniform during whole operation, the damage of elevator button in itself is lowered significantly, extended
The service life of button;As shown in Figure 2:The concrete structure for schematically illustrating elastomer 14 is:The generally arc of elastomer 14
Shape structure, the arc both ends of elastomer 14 are connected to button and press on moving part 12 (as shown in Figure 3), and curved bottom is connected to
On pcb board 15 (as shown in Figure 3), the length of arcuate structure is 2~5mm, sets the length range of arcuate structure, can be in button
It is attached by one or more elastomers 14 can be arranged as required between moving part 12 and pcb board 15, difference can be met
Elastic demand, flexibly and easily, for example, when being 2mm from the length of arcuate structure, moving part 12 and pcb board 15 are pressed in button
Between then need setting 5~6, this 5~6 arc elastic part uniform intervals distribution, cushion effect size is 10~50N, may be used also
Using the length from arcuate structure as 5mm, being pressed in button then needs setting 2~3 between moving part 12 and pcb board 15, this 2~3
Individual arc elastic part uniform intervals distribution, cushion effect size is 25~70N;Another embodiment of present embodiment is to select
The length of arcuate structure is 3mm, and being pressed in button then needs setting 3~5 between moving part 12 and pcb board 15, this 3~5 arcs
The uniform intervals of elastic component 14 are distributed, and cushion effect size is 40~80N.
As it is further preferred that the arc-shaped bend angle of the elastomer 14 of arcuate structure can also be controlled in certain model
Enclose, the angle of bend of arcuate structure determines the standoff distance at the both ends of elastomer 14, and the elastic force that can influence resilience after button pressed downwards is big
Small, angle of bend is excessive, and button is upspring too high, and angle of bend is too small, the cushioning effect unobvious that elastomer is upspring for button;
Test proves that arc-shaped bend angle is preferably 5~15 °, for example, the arc-shaped bend angle choosing of the elastomer 14 of arcuate structure
For 5 °, when the length of arcuate structure is 2mm, being pressed in button then needs setting 5~6 between moving part 12 and pcb board 15, this 5~6
The individual uniform intervals of arc elastic part 14 distribution, cushion effect size is 18~55N;Another embodiment of the invention is to select
The arc-shaped bend angle of the elastomer 14 of arcuate structure elects 10 ° as, and the length of arcuate structure is 5mm, button press moving part 12 with
Setting 2~3 is then needed between pcb board 15, this 2~3 arc elastic part uniform intervals distribution, cushion effect size is 30~
78N;The yet another embodiment of the present invention is that the arc-shaped bend angle for the elastomer 14 for selecting arcuate structure elects 15 ° as, arc
The length of shape structure is 3mm, and being pressed in button then needs setting 3~5 between moving part 12 and pcb board 15, this 3~5 arc bullets
Property the distribution of part 14 uniform intervals, then cushion effect size is 45~85N.Certainly, preferable arc-shaped bend angle can be 5 ° or 8 °
Or 10 ° or 12 °, these arc-shaped bend angles are selected, appropriate elastic force can be obtained, be also easily guaranteed that button word slice
11 timely resiliences when being pressed down, and elastomer elastic force continues persistently.
In present embodiment, as it is further preferred that as shown in Figure 4:The arcuate structure of elastomer 14 is hollow arc
Shape structure, the hollow arcuate structure is interior to be filled with filler, sets hollow arcuate structure, i.e., is real in arc elastic body 14
On the premise of heart solid, a hollow cavity 141, the regulation that the size of cavity 141 can not be limited are set;Secondly,
Dosing for filler can also have multiple choices, such as filler is elastic reset body;The spring-go position body can be with certain
Rubber of elastic force etc., preferably rubber and plastic elastic reset body;It is not intended to limit, filler can be illuminating part, and above-mentioned illuminating part is
Small-sized internally-arranged type illuminating part, when choosing is selected as illuminating part, arc elastic body 14 then selects to be water white transparency PC plastic material,
Can be other transparent materials;The embodiment that also has of the present invention is that filler is elastic reset body and illuminating part
Assembly, it is contemplated that, if assembly, then can both increase rubber and plastic elastic reset body further increases elastic recoil power,
Illuminating part can also be increased, the digit on button word slice 11 is produced into light, effect is extensive, while is also required to meet arc bullet
Property body 14 selection be water white transparency PC plastic material, or other transparent materials.
As shown in figure 5, the button word slice 11 of present embodiment includes word slice panel 1, word slice ring 2 and light guide plate 3, the word
Loop 2 includes a through hole 21, and the word slice panel 1 is abutted with the light guide plate 3, is set along in the through hole 21, wherein,
The shape of light guide plate 3 can be identical with the shape of word slice panel 1, and word slice panel 1 can be that circle can also be square, and Fig. 5 shows
Meaning property shows the selection of word slice panel 1 for circle;Particularly, as shown in Figure 6:In the word slice panel 1 of the button word slice 11
Surface can also pluck out a digit groove 10 (such as numeral 1), the shape of the digit groove 10 and required digit shape
Matching, digit groove 10 is set, it is more resistant than being set directly at for the character on the surface of button word slice 11, even if abrasion
Shape is had, easily identification, secondly, digit groove 10 is set so that the increase of illuminating part is more significant, can ensure number
Character is readily available brightness.As it is further preferably, by the shape of light guide plate 3 and required digit form fit (such as Fig. 6 institutes
Show), and be embedded in and combine with the phase of digit groove 10, the former material and making that can cause light guide plate 3 greatly reduce, can reduced into
This, can also greatly reduce the thickness of elevator button, the forming process of the button word slice 11 of present embodiment mainly first will note
The word slice panel 1 and word slice ring 2 for being moulded into type are put into mould, then obtain the light guide plate 3 by injection molding again, finally
Assembled.As it is further preferred that word slice panel 1 can select the word slice panel for being dark-coloured system for background color;Word slice panel 1
Using injection molding, by the word slice panel of the dark-coloured system of background color selection of word slice panel, the word slice face of dead color system in present embodiment
Plate does background, can improve the brightness of button word slice in itself, and word slice panel uses injection molding, sound construction, can be with panel
Square opening or circular port or other figure holes are opened, injection molding is various, facilitates customization.
The preferred embodiments of the present invention have shown and described in described above, as previously described, it should be understood that the present invention is not office
Be limited to form disclosed herein, be not to be taken as the exclusion to other embodiment, and available for various other combinations, modification and
Environment, and can be changed in the scope of the invention is set forth herein by the technology or knowledge of above-mentioned teaching or association area
It is dynamic., then all should be appended by the present invention and the change and change that those skilled in the art are carried out do not depart from the spirit and scope of the present invention
In scope of the claims.
Claims (6)
- A kind of 1. ultra-thin elevator button, it is characterised in that:Moving part (12), button housing are pressed including button word slice (11), button (13), several elastomers (14) and pcb board (15);The button word slice (11) and button bond between pressing moving part (12), institute State the button word slice (11) after bonding and button presses moving part (12) and is connected combination with elastomer (14) between pcb board (15) again; With reference to being fixed on again by button housing (13) on the panel of lift car manipulation device afterwards;The elastomer (14) is specifically tied Structure is:Elastomer (14) generally arcuate structure, the arc both ends of elastomer (14) are connected to button and pressed on moving part (12), Curved bottom is connected on pcb board (15), and the length of arcuate structure is 2~5mm;The arc of elastomer (14) arcuate structure Angle of bend is 5~15 °;The button word slice (11) and button are glued between pressing moving part (12) using mold injection or glue Close.
- 2. ultra-thin elevator button according to claim 1, it is characterised in that:During the arcuate structure of the elastomer (14) is Empty arcuate structure, the hollow arcuate structure is interior to be filled with filler.
- 3. ultra-thin elevator button according to claim 2, it is characterised in that:The filler be rubber and plastic elastic reset body or Illuminating part or the assembly of rubber and plastic elastic reset body and illuminating part.
- 4. ultra-thin elevator button according to claim 1, it is characterised in that:The button word slice (11) includes word slice panel (1), word slice ring (2) and light guide plate (3), the word slice ring (2) include a through hole (21), and the word slice panel (1) is led with described Tabula rasa (3) abuts, and is set along in the through hole (21);Word slice panel (1) surface of the button word slice (11) is provided with One digit groove (10), the shape of the digit groove (10) and required digit form fit.
- 5. ultra-thin elevator button according to claim 4, it is characterised in that:Light guide plate (3) shape and required numeral Form fit is accorded with, and mutually insertion combines with digit groove (10).
- 6. ultra-thin elevator button according to claim 5, it is characterised in that:The word slice panel (1) is that background color is dark-coloured The word slice panel of system;The word slice panel (1) uses injection molding.
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CN201610180443.2A CN105655175B (en) | 2016-03-25 | 2016-03-25 | A kind of ultra-thin elevator button |
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CN201610180443.2A CN105655175B (en) | 2016-03-25 | 2016-03-25 | A kind of ultra-thin elevator button |
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CN105655175B true CN105655175B (en) | 2018-04-03 |
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JP6669034B2 (en) * | 2016-10-14 | 2020-03-18 | オムロン株式会社 | Resin structure, electronic device, and method of manufacturing resin structure |
CN111654802A (en) * | 2019-08-27 | 2020-09-11 | 莆田市伯乐电子有限公司 | Method for assembling switch circuit board of audio equipment |
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CN1564287A (en) * | 2004-04-15 | 2005-01-12 | 刘勇 | Super-thin elevator knob |
CN2694460Y (en) * | 2004-04-15 | 2005-04-20 | 刘勇 | Rubber-plastic elastic body reset elevator button |
JP2006331813A (en) * | 2005-05-25 | 2006-12-07 | Omron Corp | Push-button switch |
CN201549401U (en) * | 2009-12-10 | 2010-08-11 | 黄跃敏 | Dustproof and waterproof button |
CN203033577U (en) * | 2013-01-21 | 2013-07-03 | 上海中菱电子有限公司 | Control button device specific for elevator |
CN204117904U (en) * | 2014-09-09 | 2015-01-21 | 杭州俊利电梯技术有限公司 | A kind of the Show Button |
CN204242882U (en) * | 2014-12-03 | 2015-04-01 | 上海老港申菱电子电缆有限公司 | A kind of elevator button |
CN205487861U (en) * | 2016-03-25 | 2016-08-17 | 江苏威尔曼科技有限公司 | Ultra -thin elevator button |
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2016
- 2016-03-25 CN CN201610180443.2A patent/CN105655175B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1564287A (en) * | 2004-04-15 | 2005-01-12 | 刘勇 | Super-thin elevator knob |
CN2694460Y (en) * | 2004-04-15 | 2005-04-20 | 刘勇 | Rubber-plastic elastic body reset elevator button |
JP2006331813A (en) * | 2005-05-25 | 2006-12-07 | Omron Corp | Push-button switch |
CN201549401U (en) * | 2009-12-10 | 2010-08-11 | 黄跃敏 | Dustproof and waterproof button |
CN203033577U (en) * | 2013-01-21 | 2013-07-03 | 上海中菱电子有限公司 | Control button device specific for elevator |
CN204117904U (en) * | 2014-09-09 | 2015-01-21 | 杭州俊利电梯技术有限公司 | A kind of the Show Button |
CN204242882U (en) * | 2014-12-03 | 2015-04-01 | 上海老港申菱电子电缆有限公司 | A kind of elevator button |
CN205487861U (en) * | 2016-03-25 | 2016-08-17 | 江苏威尔曼科技有限公司 | Ultra -thin elevator button |
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