CN101814386B - Refrigerator door switch - Google Patents
Refrigerator door switch Download PDFInfo
- Publication number
- CN101814386B CN101814386B CN 201010130986 CN201010130986A CN101814386B CN 101814386 B CN101814386 B CN 101814386B CN 201010130986 CN201010130986 CN 201010130986 CN 201010130986 A CN201010130986 A CN 201010130986A CN 101814386 B CN101814386 B CN 101814386B
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- CN
- China
- Prior art keywords
- pedestal
- refrigerator door
- button
- movable contact
- alignment pin
- 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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Abstract
The invention discloses a refrigerator door switch which comprises a base, wherein a button is arranged at the upper end of the base, a mounting hole is arranged in a base cavity, a torsional spring is arranged in the mounting hole, a torsional spring arm on the torsional spring is abutted against the lower end of the button, a fixed terminal is arranged at one side of the bottom in the base cavity, a static contact is arranged on the fixed terminal, a movable reed is arranged at the other side of the bottom in the base cavity, a movable contact which is matched with the static contact is arranged on the movable reed, a terminal is arranged at one end of the movable reed which leads the base out, the other end of the movable reed is mutually matched with one end of a positioning pin in the base cavity, an arc-shaped demising groove and a contact boss are arranged on one end of the positioning pin which is mutually matched with the movable reed, the other end of the positioning pin is connected with the lower end of the button, and a cover plate is arranged on a base cavity hole. The invention has the advantages of prolonging the service life of the refrigerator door switch and ensuring that the on-off stroke of the refrigerator door switch is reduced and the on-off switching is fast.
Description
Technical field
The present invention relates to a kind of switching device for on-off circuit, relate in particular to a kind of refrigerator door open-close.
Background technology
Such as Fig. 1, Fig. 2, shown in Figure 3, the structure of traditional refrigerator door open-close comprises: pedestal 101, be provided with button 102 in the upper end of pedestal 101, in pedestal 101 die cavities, be provided with installing hole, in installing hole, be provided with torsion spring 103, torsion spring arm 104 on the torsion spring 103 offsets with the lower end of button 102, die cavity inner bottom part one side at pedestal 101 is provided with fixed terminal 105, be provided with fixed contact 106 at fixed terminal 105, die cavity inner bottom part opposite side at pedestal 101 is provided with movable contact spring 107, be provided with the moving contact 108 that cooperatively interacts with fixed contact 106 at movable contact spring 107, the end that movable contact spring 107 is drawn pedestal 101 is terminal, the other end of described movable contact spring 107 cooperatively interacts with an end that is arranged on the alignment pin 109 in pedestal 101 die cavities, the other end of alignment pin 109 is connected with the lower end of button 102, is provided with cover plate at the die cavity holes of pedestal 101.
As shown in Figure 1 and Figure 2, button 102 under the elastic force effect of torsion spring 103 by alignment pin 109 with force transmission to movable contact spring 107, movable contact spring 107 upwards stirred the moving contact 108 that makes on it and be in contact with one another with fixed contact 106 on the fixed terminal 105, make refrigerator door open-close be in closure state.
As shown in Figure 3, when button 102 is pressed, drive alignment pin 109 and rotate clockwise, this moment, movable contact spring 107 rotated counterclockwise under the effect of self elastic force, moving contact 108 on it is separated from each other with fixed contact 106 on the fixed terminal 105, makes refrigerator door open-close be in off-state.
Above-mentioned traditional refrigerator door open-close because alignment pin 109 be straightened condition and shorter, the shearing force of contact position is large, the phenomenon of movable contact spring fracture occurs easily at contact position, and the contact when disconnecting fully the stroke of needs larger.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of break-make rapidly, the refrigerator door open-close of long service life.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: refrigerator door open-close, comprise: pedestal, upper end at pedestal is provided with button, in base cavity, be provided with installing hole, in installing hole, be provided with torsion spring, torsion spring arm on the torsion spring and the lower end of button offset, die cavity inner bottom part one side at pedestal is provided with fixed terminal, be provided with fixed contact at fixed terminal, die cavity inner bottom part opposite side at pedestal is provided with movable contact spring, be provided with the moving contact that cooperatively interacts with fixed contact at movable contact spring, the end that movable contact spring is drawn pedestal is terminal, the other end of described movable contact spring cooperatively interacts with an end that is arranged on the alignment pin in the base cavity, an end that cooperatively interacts at alignment pin and movable contact spring is provided with the arc slot to make way and contacts boss, and the other end of alignment pin is connected with the lower end of button, is provided with cover plate at the die cavity holes of pedestal.
In order to solve the problems of the technologies described above better, further technical scheme of the present invention is: the other end at described alignment pin is provided with the location square column, is provided with in described button lower end and the square location hole of locating square column and cooperatively interacting.
In order to solve the problems of the technologies described above better, further technical scheme of the present invention is: be provided with claw at described pedestal, be provided with the square hole that cooperatively interacts with claw at described cover plate.
Advantage of the present invention is: the refrigerator door open-close of said structure, because the end at movable contact spring arranges the arc slot to make way and contacts boss, shearing force in the time of can reducing movable contact spring and contact with alignment pin, improved the useful life of movable contact spring, thereby improved the useful life of refrigerator door open-close, so that the stroke of refrigerator door open-close break-make reduces, switch on and off is rapid.
Description of drawings
Fig. 1 is dismantle structural representation when closed behind the cover plate of refrigerator door open-close in the background technology of the present invention.
Fig. 2 is the torque analysis structural representation when refrigerator door open-close is closed in the background technology of the present invention.
Fig. 3 is the torque analysis structural representation when refrigerator door open-close disconnects in the background technology of the present invention.
Fig. 4 is the structural representation of refrigerator door open-close of the present invention when dismantling switch closure after the cover plate.
Fig. 5 is the blast structural representation of refrigerator door open-close of the present invention.
Torque analysis structural representation when Fig. 6 is refrigerator door open-close closure of the present invention.
Torque analysis structural representation when Fig. 7 is refrigerator door open-close disconnection of the present invention.
Among the figure: 101, pedestal, 102, button, 103, torsion spring, 104, the torsion spring arm, 105, fixed terminal, 106, fixed contact, 10, movable contact spring, 108, moving contact, 109, alignment pin, 1, pedestal, 11, claw, 2, button, 21, square location hole, 3, torsion spring, 31, the torsion spring arm, 4, fixed terminal, 5, fixed contact, 6, movable contact spring, 7, moving contact, 8, alignment pin, 81, the arc slot to make way, 82, contact boss, 83, the location square column, 9, cover plate, 91, square hole.
Embodiment
Describe particular content of the present invention in detail below in conjunction with the drawings and specific embodiments.
Such as Fig. 4, Fig. 5, Fig. 6, shown in Figure 7, refrigerator door open-close, comprise: pedestal 1, be provided with button 2 in the upper end of pedestal 1, in pedestal 1 die cavity, be provided with installing hole, in installing hole, be provided with torsion spring 3, torsion spring arm 31 on the torsion spring 3 offsets with the lower end of button 2, die cavity inner bottom part one side at pedestal 1 is provided with fixed terminal 4, be provided with fixed contact 5 at fixed terminal 4, die cavity inner bottom part opposite side at pedestal 1 is provided with movable contact spring 6, be provided with the moving contact 7 that cooperatively interacts with fixed contact 5 at movable contact spring 6, the end that movable contact spring 6 is drawn pedestal 1 is terminal, the other end of described movable contact spring 6 cooperatively interacts with an end that is arranged on the alignment pin 8 in pedestal 1 die cavity, an end that cooperatively interacts at alignment pin 8 and movable contact spring 6 is provided with arc slot to make way 81 and contacts boss 82, and the other end of alignment pin 8 is connected with the lower end of button 2, is provided with cover plate 9 at the die cavity holes of pedestal 1.
In the present embodiment, be provided with location square column 83 at the other end of described alignment pin 8, be provided with in described button 2 lower ends and the square location hole 21 of locating square column 83 and cooperatively interacting.During use, location square column 83 places square location hole 21, thereby so that forms between button 2 and the alignment pin 8 and be rotationally connected.Be provided with claw 11 at described pedestal 1, be provided with the square hole 91 that cooperatively interacts with claw 11 at described cover plate 9.During use, the claw 11 on the pedestal 1 places in the square hole 91, thus make cover plate 9 fixing with pedestal 1 on.
Such as Fig. 4, shown in Figure 6, button 2 under the elastic force effect of torsion spring 3 by alignment pin 8 with force transmission to movable contact spring 6, movable contact spring 6 upwards stirred the moving contact 7 that makes on it and be in contact with one another with fixed contact 5 on the fixed terminal 4, make refrigerator door open-close be in closure state.
Such as Fig. 5, shown in Figure 7, when button 2 is pressed, drive alignment pin 8 and rotate clockwise, this moment, movable contact spring 6 rotated counterclockwise under the effect of self elastic force, moving contact 7 on it is separated from each other with fixed contact 5 on the fixed terminal 4, makes refrigerator door open-close be in off-state.
Such as Fig. 2, shown in Figure 3, when button 102 was pressed down to 13.3 position, moving contact 108 only had 0.5mm, the directed force F that A is ordered with the break distance of fixed contact 106
AFor: F
A=1.79F
1, its contact moment P
AFor: P
A=8.41F
1Such as Fig. 6, shown in Figure 7, when button 2 was pressed down to 13.3 position, moving contact 7 had 1.0mm, the directed force F that A is ordered with the break distance of fixed contact 5
AFor: F
A=1.37F
1, its contact moment P
AFor: P
A=4.11F
1
Can be found out that by above contrast the new refrigerator door switch disconnects rapidly during work, has reduced the shearing force when movable contact spring contacts with alignment pin, has improved the useful life of movable contact spring, thereby has improved the useful life of refrigerator door open-close.
Claims (3)
1. refrigerator door open-close, comprise: pedestal (1), be provided with button (2) in the upper end of pedestal (1), in pedestal (1) die cavity, be provided with installing hole, in installing hole, be provided with torsion spring (3), torsion spring arm (31) on the torsion spring (3) offsets with lower end one side of button (2), die cavity inner bottom part one side at pedestal (1) is provided with fixed terminal (4), be provided with fixed contact (5) at fixed terminal (4), die cavity inner bottom part opposite side at pedestal (1) is provided with movable contact spring (6), be provided with the moving contact (7) that cooperatively interacts with fixed contact (5) at movable contact spring (6), the end that movable contact spring (6) is drawn pedestal (1) is terminal, it is characterized in that: the other end of described movable contact spring (6) cooperatively interacts with an end that is arranged on the alignment pin (8) in pedestal (1) die cavity, an end that cooperatively interacts at alignment pin (8) and movable contact spring (6) is provided with arc slot to make way (81) and contacts boss (82), the lower end opposite side of the other end of alignment pin (8) and button (2) is fixedly connected, and is provided with cover plate (9) at the die cavity holes of pedestal (1).
2. according to refrigerator door open-close claimed in claim 1, it is characterized in that: be provided with location square column (83) at the other end of described alignment pin (8), be provided with in described button (2) lower end and the square location hole (21) of locating square column (83) and cooperatively interacting.
3. according to claim 1 or 2 described refrigerator door open-closes, it is characterized in that: be provided with claw (11) at described pedestal (1), be provided with the square hole (91) that cooperatively interacts with claw (11) at described cover plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010130986 CN101814386B (en) | 2010-03-19 | 2010-03-19 | Refrigerator door switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010130986 CN101814386B (en) | 2010-03-19 | 2010-03-19 | Refrigerator door switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101814386A CN101814386A (en) | 2010-08-25 |
| CN101814386B true CN101814386B (en) | 2013-02-27 |
Family
ID=42621605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010130986 Expired - Fee Related CN101814386B (en) | 2010-03-19 | 2010-03-19 | Refrigerator door switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101814386B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185639B (en) * | 2015-09-28 | 2018-08-10 | 青岛海尔股份有限公司 | Refrigerator and manual switch component for refrigerator compartment |
| CN108807055B (en) * | 2018-06-28 | 2023-11-24 | 厦门宏发汽车电子有限公司 | Contact sliding disconnection mechanism of switch and switch thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB520459A (en) * | 1937-10-30 | 1940-04-24 | British Thomson Houston Co Ltd | Improvements in and relating to retractive electric switches |
| CN1213839A (en) * | 1997-10-06 | 1999-04-14 | 阿尔卑斯电气株式会社 | Switch |
| CN1490580A (en) * | 2002-09-03 | 2004-04-21 | 欧姆龙株式会社 | Revolving switch and door switch for refrigerator |
| CN201655605U (en) * | 2010-03-19 | 2010-11-24 | 张家港华峰电接插元件有限公司 | Switch for refrigerator door |
-
2010
- 2010-03-19 CN CN 201010130986 patent/CN101814386B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB520459A (en) * | 1937-10-30 | 1940-04-24 | British Thomson Houston Co Ltd | Improvements in and relating to retractive electric switches |
| CN1213839A (en) * | 1997-10-06 | 1999-04-14 | 阿尔卑斯电气株式会社 | Switch |
| CN1490580A (en) * | 2002-09-03 | 2004-04-21 | 欧姆龙株式会社 | Revolving switch and door switch for refrigerator |
| CN201655605U (en) * | 2010-03-19 | 2010-11-24 | 张家港华峰电接插元件有限公司 | Switch for refrigerator door |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101814386A (en) | 2010-08-25 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20160319 |