CN2916900Y - Sealing structure of button switch - Google Patents
Sealing structure of button switch Download PDFInfo
- Publication number
- CN2916900Y CN2916900Y CN 200620074042 CN200620074042U CN2916900Y CN 2916900 Y CN2916900 Y CN 2916900Y CN 200620074042 CN200620074042 CN 200620074042 CN 200620074042 U CN200620074042 U CN 200620074042U CN 2916900 Y CN2916900 Y CN 2916900Y
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- cover plate
- hole
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a sealing structure for press button switch, which comprises a shell body group, a cover board positioned on the shell body group, a press button positioned on the cover board and a tuning button positioned at the end of the press button via a pin shaft and a spring. The lower end of the tuning button is provided with a hook; a fixing hook groove is positioned on the surface of cover board opposite to the hook; a position limiting block is positioned in the fixing hook groove and the cover board at the external side; a position limiting step is positioned on the upper section of the position limiting block and coordinates with the end section of the hook. The utility model has the advantages that: the utility model can not only prevent the accidental loosening of the switch during operation, but also prevent the closing of the switch due to mistaken operation, thus enhancing the safety and reliability of the switch.
Description
Technical field
The utility model relates to a kind of structure of push-button switch, relates in particular to a kind of push rod of push-button switch and the hermetically-sealed construction between the cover plate.
Background technology
The hermetically-sealed construction of traditional push-button switch generally includes the housing group, be arranged on the cover plate on the housing group, button on the cover board is set, offer through hole on the cover plate, and be arranged on push rod in the cover plate through hole, be provided with sealing ring between through hole and the push rod, sealing ring and through hole are closely inlayed, push rod is slidingly arranged in the through hole in the middle of the sealing ring, when the hermetically-sealed construction of this push-button switch uses since between push rod and the sealing ring for being slidingly matched, therefore its sealing property is relatively poor, can not get good sealing effectiveness, the long-term use, push-button switch inside easily enters dust.
Summary of the invention
The purpose of this utility model is to provide a kind of push-button switch hermetically-sealed construction that prevents that switch inside from having dust to enter.
For realizing the purpose of this utility model, a kind of hermetically-sealed construction of push-button switch, comprise the housing group, be arranged on the cover plate on the housing group, button on the cover board is set, offer through hole on the cover plate, and be arranged on the interior push rod of cover plate through hole, and being provided with sealing ring between described through hole and the push rod, sealing ring is made by elastomeric material, the base portion of sealing ring is provided with the corresponding cooperation with through hole of a ring annular groove, and the top of sealing ring is provided with annular contraction mouth and the corresponding cooperation of the cannelure on the push rod.
The beneficial effects of the utility model are: the hermetically-sealed construction sealing property of this push-button switch is reliable, can prevent effectively that the dust of switch external from entering, thereby has improved fail safe and reliability that switch uses.
Be described in further detail below in conjunction with the hermetically-sealed construction of accompanying drawing the utility model push-button switch:
Description of drawings
Fig. 1 is the exploded perspective view of the hermetically-sealed construction of the utility model push-button switch;
Fig. 2 is the partial structurtes cutaway view of the hermetically-sealed construction of this push-button switch.
Among the figure: 1, housing group, 2, cover plate, 3, button, 4, through hole, 5, push rod, 6, sealing ring, 7, annular groove, 8, annular contraction mouth, 9, cannelure.
Embodiment
As illustrated in fig. 1 and 2, a kind of hermetically-sealed construction of push-button switch, comprise housing group 1, be arranged on the cover plate 2 on the housing group 1, be arranged on the button 3 on the cover plate 2, offer through hole 4 on the cover plate 2, and be arranged on push rod 5 in cover plate 2 through holes 4, be provided with sealing ring 6 between through hole 4 and the push rod 5, sealing circle 6 is made by elastomeric material, the base portion of sealing ring 6 is provided with a ring annular groove 7 and through hole 4 corresponding cooperations, and the top of sealing ring 6 is provided with the cannelure 9 corresponding cooperations on annular contraction mouth 8 and the push rod 5.
When this push-button switch uses, along with driving push rod 5, button 3 moves up and down, push rod 5 is always with sealing ring 6 and closely cooperates, and through hole 5 also closely cooperates with the annular groove 7 of the base portion of sealing ring 6 simultaneously, so the dust of switch external can not enter switch inside between push rod 5 and cover plate 2.In addition, because sealing ring 6 adopts elastomeric material to make, therefore, sealing ring 6 can not hinder push rod 5 to move up and down in cover plate 2 through holes 4.
Claims (1)
1, a kind of hermetically-sealed construction of push-button switch, comprise housing group (1), be arranged on the cover plate (2) on the housing group (1), be arranged on the button (3) on the cover plate (2), offer through hole (4) on the cover plate (2), and be arranged on push rod (5) in cover plate (2) through hole (4), it is characterized in that: be provided with sealing ring (6) between described through hole (4) and the push rod (5), sealing ring (6) is made by elastomeric material, the base portion of sealing ring (6) is provided with a ring annular groove (7) and the corresponding cooperation of through hole (4), and the top of sealing ring (6) is provided with the corresponding cooperation of cannelure (9) on annular contraction mouth (8) and the push rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620074042 CN2916900Y (en) | 2006-06-20 | 2006-06-20 | Sealing structure of button switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620074042 CN2916900Y (en) | 2006-06-20 | 2006-06-20 | Sealing structure of button switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2916900Y true CN2916900Y (en) | 2007-06-27 |
Family
ID=38187813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620074042 Expired - Lifetime CN2916900Y (en) | 2006-06-20 | 2006-06-20 | Sealing structure of button switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2916900Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104637719A (en) * | 2013-11-11 | 2015-05-20 | 星电株式会社 | Switch |
-
2006
- 2006-06-20 CN CN 200620074042 patent/CN2916900Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104637719A (en) * | 2013-11-11 | 2015-05-20 | 星电株式会社 | Switch |
| CN104637719B (en) * | 2013-11-11 | 2017-12-12 | 星电株式会社 | Switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070627 |
|
| EXPY | Termination of patent right or utility model |