CN104362018B - Plug-type button switch - Google Patents
Plug-type button switch Download PDFInfo
- Publication number
- CN104362018B CN104362018B CN201410538667.7A CN201410538667A CN104362018B CN 104362018 B CN104362018 B CN 104362018B CN 201410538667 A CN201410538667 A CN 201410538667A CN 104362018 B CN104362018 B CN 104362018B
- Authority
- CN
- China
- Prior art keywords
- pedestal
- contact
- plug
- button switch
- push 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
- H01H13/10—Bases; Stationary contacts mounted thereon
-
- 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
-
- 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
- H01H13/26—Snap-action arrangements depending upon deformation of elastic members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2201/00—Contacts
- H01H2201/022—Material
- H01H2201/026—Material non precious
- H01H2201/028—Indium tin oxide [ITO]
Landscapes
- Breakers (AREA)
- Push-Button Switches (AREA)
Abstract
The invention provides a plug-type button switch which comprises a handle, a shell, a gasket, a nut, a base A, a pressure spring, a fixing plate, a push bar, a retainer ring and a mounting plate. The shell is fixedly mounted on the mounting plate through the gasket and the nut, the top end of the push bar is mounted in the base A, the pressure spring is arranged under the step surface of the top end of the push bar, the lower end of the pressure spring is fixedly mounted on the upper side of the fixing plate, and the fixing plate is fixed on a convex ring of the lower end surface of the base A. Switching on and off of a contact mechanism adopts a mode of touching of a contact point, so that the shortcoming that the on-off state is restored once external force is removed traditionally is overcome, abrasion among contact pieces is reduced, the contact point and a circular contact ring are made of silver oxide and indium tin oxide materials, electrical life of products under high current is prolonged, switching on-off locking of the switch can be realized, electrical load bearing capacity of the contact pieces is improved, usage period is prolonged, and accordingly, electrical life of the switch is prolonged.
Description
Technical field
The present invention relates to switch manufacturing technology field is and in particular to a kind of plug-in button switch.
Background technology
Button switch is the switch to be driven inner contact conversion by motive force collinear with button stroke.Button leaves
The feature closed is mounted in the ongoing machine of work, in instrument, the most of the time is on the position of initial free state,
Simply just being transformed into second state under external force when requiring, when external force once removing, due to the effect of spring, opening
Close and be just returned to initial position, the ability to bear of its electric loading is little, and the abrasion between contact is larger, and the electric life of switch is short.
Chinese patent zl201220123401.2 discloses a kind of plug-in inductive switch, this switch, and this plug-in inductive switch is convenient
Dismounting with and circuit install, realize freely plug fast and effectively connection circuit, improve install and use efficiency reduction labor
Work cost, and install settle at one go without other installing components with and installation tool such as screw and related some fasten
Part, but this plug-in inductive switch uses under the conditions of can not meeting under high current.
Content of the invention
For solving above-mentioned technical problem, the invention provides a kind of plug-in button switch, this plug-in button switch leads to
Cross redundance type contact touching mode to contact, realize switch on and off reliability.
The present invention is achieved by the following technical programs.
A kind of plug-in button switch that the present invention provides, including handle, shell, packing ring, nut, pedestal a, stage clip, consolidates
Fixed board, push rod, collar and installing plate；The top of described pedestal a is installed on inside the shell, and it is solid with base assembly that external screw thread is passed through in bottom
Fixed connection；Described shell is fixedly installed on installing plate by packing ring and nut, and the top of described push rod is installed in pedestal a,
It is provided with stage clip, the lower end of described stage clip is installed on the upside of fixed plate, described fixed plate below the step surface of described push rod top
It is fixed on the lower surface of pedestal a；Movable contact assembly is fixedly installed in the lower end of push rod, and described collar is under movable contact assembly
Side is installed on push rod；The lower end of described handle is passed through in milling flat hole activity installation pedestal a on pedestal a top.
Described base assembly includes pedestal z, contact spring, connecting rod and weld tabs, and described contact spring is placed in the interior of pedestal z
Chamber, weld tabs is placed in outside pedestal z lower surface, passes through connecting rod solid between the horizontal part of described contact spring and the horizontal part of weld tabs
Surely it is connected to the bottom of pedestal z.
It is additionally provided with spring washer between pedestal z and the bottom outside of shell.
Described pedestal z bottom is provided with contact mechanism, and the quantity of contact mechanism is 1～4 group.
Described movable contact assembly includes upper insulator, contact annulus and lower insulator, described upper insulator and lower insulator
It is fixedly mounted on push rod, described contact annulus is installed in the draw-in groove between upper insulator and lower insulator.
It is additionally provided with conductive rubber between described packing ring and installing plate.
The material of described contact annulus is silver-tin oxide or indium oxide.
The rake upper end of described contact spring is fixedly installed and has point of contact.
The material of described contact point is silver-tin oxide or indium oxide.
Described pedestal a bottom is provided with mounting post, and described fixed plate is provided with the through hole corresponding with mounting post, described
Fixed plate is arranged in mounting post and rivet hot is fixed.Described pedestal a and fixed plate pass through mounting post and through hole cooperation, then by heat
Riveting mode assembles, and rearmost point epoxide-resin glue fixed, firm.
The top movable of described handle is provided with draw ring.
The beneficial effects of the present invention is: contact mechanism using contact touching by the way of realize switch on and off, improve with
Past external force once removing, the defect of on off state reduction, decrease the abrasion between contact, simultaneously contact point with contact circle
Ring all using silver-tin oxide or indium oxide material, improve product under 75 DEG C of circulations of high temperature and high current under conditions of electric life
Number of times, up to 15000 times, frequency of vibration between 10～20000hz, switch can achieve break-make locking to its electric life, improves
So as to remain conducting in an initial condition, improve contact bears electric loading to the acting characteristic of conventional button switch
Ability, extends usage cycles, thus improving the electric life of switch.
Brief description
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the upward view of Fig. 1；
In figure: 1- draw ring, 2- handle, 3- shell, 4- conductive rubber, 5- packing ring, 6- nut, 7- pedestal a, 71- mounting post,
8- stage clip, 9- spring washer, 10- fixed plate, 11- push rod, 12- upper insulator, 13- contacts annulus, 14- lower insulator, 15- card
Circle, 16- pedestal z, 17- connecting rod, 18- weld tabs, 19- contact spring, 20- contact point, 21- label, 22- installing plate.
Specific embodiment
Technical scheme be described further below, but claimed scope be not limited to described.
A kind of plug-in button switch as depicted in figs. 1 and 2, including handle 2, shell 3, packing ring 5, nut 6, pedestal
A7, stage clip 8, fixed plate 10, push rod 11, collar 15 and installing plate 22；The top of described pedestal a7 is installed in shell 3, bottom
It is fixedly connected with base assembly by external screw thread；Described shell 3 passes through packing ring 5 and nut 6 is fixedly installed on installing plate 22, institute
The top stating push rod 11 is installed in pedestal a7, is provided with stage clip 8 below described push rod 11 top step surface, described stage clip 8
Lower end is installed on the upside of fixed plate 10, and described fixed plate 10 is fixed on the lower surface of pedestal a7；The fixing peace of movable contact assembly
It is loaded on the lower end of push rod 11, described collar 15 is installed on push rod 11 in the downside of movable contact assembly；The lower end of described handle 2 leads to
Cross in milling flat hole activity installation pedestal a7 on pedestal a7 top.Described pedestal a7 bottom is provided with mounting post 71, described fixed plate
It is provided with the through hole corresponding with mounting post 71, described fixed plate 10 is arranged in mounting post 71 and rivet hot is fixed on 10.
Described base assembly includes pedestal z16, contact spring 19, connecting rod 17 and weld tabs 18, and described contact spring 19 is put
In the inner chamber of pedestal z16, weld tabs 18 is placed in outside pedestal z16 lower surface, the horizontal part of described contact spring 19 and weld tabs 18
It is fixedly connected on the bottom of pedestal z16 by connecting rod 17 between horizontal part.
It is additionally provided with spring washer 9 between the bottom outside of pedestal z16 and shell 3.Spring washer 9 is assemblied in pedestal z16
Increase friction and the bottom outside of shell 3 between, prevent screw thread cooperation not tight, rotate.
Described pedestal z16 bottom is provided with contact mechanism, and the quantity of contact mechanism is 1～4 group.
Described movable contact assembly includes upper insulator 12, contact annulus 13 and lower insulator 14, described upper insulator 12 He
Lower insulator 14 is fixedly mounted on push rod 11, and described contact annulus 13 is installed between upper insulator 12 and lower insulator 14
In draw-in groove.Interference fits between described upper insulator 12 and contact annulus 13, in order to ensure contact is good, prevent from misleading again
Logical, so the upper and lower sides in contact annulus 13 are provided with upper insulator 12 and lower insulator 14.
It is additionally provided with conductive rubber 4 between described packing ring 5 and installing plate 22.Conductive rubber 4 has good electromagnetic sealing
With water vapor seal ability, good electric conductivity can be provided under a certain pressure, suppression frequency reaches 40ghz.
The rake upper end riveting fixation of described contact spring 19 has point of contact 20, makes between weld tabs 19 and contact spring 13
Contact is more stable；Described contact point 20 and contact spring 19 are fixed by riveting, in order to ensure contact reliability, contact point 20
It is designed with Redundancy Design.Through hole is provided with the vertical component effect of described collar 18, increases the bonding strength between electric wire and switch.
The material of described contact annulus 13 and contact point 20 is silver-tin oxide or indium oxide.Due to being to have preferably than Agcdo
Stability and Geng Gao hardness, therefore there is preferably anti-melting welding and resistance to scaling loss, particularly during internal oxidition separate out
Needle oxide is oriented perpendicular to contact surface, highly beneficial to the performance of contact.
Described pedestal a7 bottom is provided with mounting post 71, and described fixed plate 10 is provided with lead to corresponding with mounting post 71
Hole, described fixed plate 10 is arranged in mounting post 71 and rivet hot is fixed.Four mounting posts 71 and the fixed plate 10 of described pedestal a7
After upper corresponding through hole cooperation, assembled by rivet hot mode, rearmost point epoxide-resin glue fixed, firm.
The present invention can achieve break-make locking, and it remains conducting in an initial condition.This switch is in actually used process
In: in an initial condition, that is, when being not inserted into handle 2, in the presence of stage clip 8, contact annulus 13 and be arranged on contact spring 19
On contact point 20 contact, switch remain conducting state.After handle 2 inserts the flat hole of milling of pedestal a7, it is installed on base
The tip contact of the push rod 11 in seat a7 is to the bottom of handle 2, and moves down in the presence of handle 2, moves down one in handle 2
Rotated 90 ° after set a distance, it is locked in pedestal a7 in the presence of stage clip 8, simultaneously because moving down of push rod 11, pacified
The contact annulus 13 being loaded on push rod 11 lower end is no longer contacted with the contact point 20 being arranged on contact spring 19, and that is, handle 2 locks
Switch is off.The bottom of handle 2 is arranged to the shape that flat hole matches with the milling of pedestal a7, and the height of this part
Degree be arranged to 3mm about (break-make stroke 3mm) it is ensured that contact annulus 13 is locked in the rational position of comparison, that is, can
Ensure that contact annulus 13 is no longer contacted with contact point 20, can guarantee that push rod 11 is not exposed to the bottom of pedestal a7 inner chamber again.
Solve switch in operatorless environment, remain the condition circuit conducting of electric loading 28v dc 25a,
It is only necessary to insertion plug bar can meet circuit and disconnect when artificially needing circuit to disconnect.
Claims (8)
1. a kind of plug-in button switch, including handle (2), shell (3), packing ring (5), nut (6), pedestal a (7), stage clip
(8), fixed plate (10), push rod (11), collar (15) and installing plate (22) it is characterised in that: the top of described pedestal a (7) peace
It is loaded in shell (3), bottom is fixedly connected with base assembly by external screw thread；Described shell (3) passes through packing ring (5) and nut
(6) it is fixedly installed on installing plate (22), the top of described push rod (11) is installed in pedestal a (7), described push rod (11) top
It is provided with stage clip (8), the lower end of described stage clip (8) is installed on the upside of fixed plate (10), described fixed plate below step surface
(10) it is fixed on the lower surface of pedestal a (7)；Movable contact assembly is fixedly installed in the lower end of push rod (11), described collar (15)
It is installed on push rod (11) in the downside of movable contact assembly；The flat hole of milling on pedestal a (7) top is passed through in the lower end of described handle (2)
In activity installation pedestal a (7)；
Described pedestal a (7) bottom is provided with mounting post (71), described fixed plate (10) is provided with corresponding with mounting post (71)
Through hole, described fixed plate (10) is arranged on that mounting post (71) is upper and rivet hot is fixed；
Described movable contact assembly includes upper insulator (12), contact annulus (13) and lower insulator (14), described upper insulator
(12) be fixedly mounted on push rod (11) with lower insulator (14), described contact annulus (13) be installed on upper insulator (12) and under
In draw-in groove between insulator (14).
2. plug-in button switch as claimed in claim 1 it is characterised in that: described base assembly includes pedestal z (16), connects
Tactile reed (19), connecting rod (17) and weld tabs (18), described contact spring (19) is placed in the inner chamber of pedestal z (16), weld tabs (18)
It is placed in outside pedestal z (16) lower surface, pass through even between the horizontal part of described contact spring (19) and the horizontal part of weld tabs (18)
Extension bar (17) is fixedly connected on the bottom of pedestal z (16).
3. plug-in button switch as claimed in claim 2 it is characterised in that: the bottom outside of pedestal z (16) and shell (3)
Between be additionally provided with spring washer (9).
4. plug-in button switch as claimed in claim 2 it is characterised in that: described pedestal z (16) bottom is provided with contact
Mechanism, the quantity of contact mechanism is 1～4 group.
5. plug-in button switch as claimed in claim 1 it is characterised in that: between described packing ring (5) and installing plate (22)
It is additionally provided with conductive rubber (4).
6. plug-in button switch as claimed in claim 1 it is characterised in that: the material of described contact annulus (13) is silver-colored oxygen
Change stannum Indium sesquioxide..
7. plug-in button switch as claimed in claim 2 it is characterised in that: the rake upper end of described contact spring (19)
Have point of contact (20) are fixedly installed.
8. plug-in button switch as claimed in claim 7 it is characterised in that: the material of described contact point (20) be silver oxidation
Stannum Indium sesquioxide..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410538667.7A CN104362018B (en) | 2014-10-14 | 2014-10-14 | Plug-type button switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410538667.7A CN104362018B (en) | 2014-10-14 | 2014-10-14 | Plug-type button switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104362018A CN104362018A (en) | 2015-02-18 |
| CN104362018B true CN104362018B (en) | 2017-01-25 |
Family
ID=52529273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410538667.7A Active CN104362018B (en) | 2014-10-14 | 2014-10-14 | Plug-type button switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104362018B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2833840Y (en) * | 2005-06-03 | 2006-11-01 | 上海阳刚电子有限公司 | Push-button switch |
| CN202363328U (en) * | 2011-11-28 | 2012-08-01 | 中国振华集团华联无线电器材厂 | Button switch for preventing blockage |
| CN202586919U (en) * | 2012-03-29 | 2012-12-05 | 温州永泰电器有限公司 | Pluggable inductive switch |
| CN203588888U (en) * | 2013-10-08 | 2014-05-07 | 贵州振华华联电子有限公司 | Fully sealed button switch |
| CN203588892U (en) * | 2013-10-08 | 2014-05-07 | 贵州振华华联电子有限公司 | Combined microswitch |
| CN204289181U (en) * | 2014-10-14 | 2015-04-22 | 贵州振华华联电子有限公司 | A kind of big current push-button switch |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5802078B2 (en) * | 2011-08-10 | 2015-10-28 | 株式会社ヴァレオジャパン | Push switch |
-
2014
- 2014-10-14 CN CN201410538667.7A patent/CN104362018B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2833840Y (en) * | 2005-06-03 | 2006-11-01 | 上海阳刚电子有限公司 | Push-button switch |
| CN202363328U (en) * | 2011-11-28 | 2012-08-01 | 中国振华集团华联无线电器材厂 | Button switch for preventing blockage |
| CN202586919U (en) * | 2012-03-29 | 2012-12-05 | 温州永泰电器有限公司 | Pluggable inductive switch |
| CN203588888U (en) * | 2013-10-08 | 2014-05-07 | 贵州振华华联电子有限公司 | Fully sealed button switch |
| CN203588892U (en) * | 2013-10-08 | 2014-05-07 | 贵州振华华联电子有限公司 | Combined microswitch |
| CN204289181U (en) * | 2014-10-14 | 2015-04-22 | 贵州振华华联电子有限公司 | A kind of big current push-button switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104362018A (en) | 2015-02-18 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |