CN203165720U - Pull self-locking power source door switch - Google Patents
Pull self-locking power source door switch Download PDFInfo
- Publication number
- CN203165720U CN203165720U CN 201320086845 CN201320086845U CN203165720U CN 203165720 U CN203165720 U CN 203165720U CN 201320086845 CN201320086845 CN 201320086845 CN 201320086845 U CN201320086845 U CN 201320086845U CN 203165720 U CN203165720 U CN 203165720U
- Authority
- CN
- China
- Prior art keywords
- switch
- door switch
- power source
- movable contact
- self
- 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 relates to a pull self-locking power source door switch. The switch comprises a pressing rod, a movable rod, a movable contact piece, a long static touch foot, a short static contact foot, a U type spring leaf, a reset spring, and a baffle plate, wherein the U type spring leaf is added on the movable contact piece and driven to overturn by the upward movement of the movable rod, so as to switch a switch contact and keep the state, and moreover the switch is originally switched on/off and automatically resets, and a pulse signal is emitted. The above two functions do not conflict.
Description
Technical field
The utility model relates to a kind of power supply door switch, and especially a kind of band draws the power supply door switch of self-locking.
Background technology
At present existing scheme can only realize general break-make, automatically resets, and is under some particular case, during as maintenance, inconvenient.
The utility model content
When the utility model was to provide a kind of general use, switch automatically reset, and pull-up switch triggering bar can make the switch self-locking, and the band of hand-reset draws the power supply door switch of self-locking.
The technical scheme that the utility model provides is as follows:
Band draws the power supply door switch of self-locking, is made up of depression bar, motion bar, movable contact spring, long static palping foot, short static palping foot, U-shaped reed, back-moving spring, block, and it is characterized in that: described U-shaped reed is located on the movable contact spring; Described block is located at the back-moving spring below.
Advantage of the present utility model is, by set up the U-shaped reed at movable contact spring, thereby driving U-shaped reed change upset by moving upward of motion bar switches switch contact and maintenance, can also original momentary connection (disconnection), automatically reset, send pulse signal, possess two kinds of functions simultaneously and do not conflict.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is schematic diagram of the present utility model
Embodiment
A kind of preferred embodiment of the present utility model:
As described in Figure 1, band draws the power supply door switch of self-locking, formed by depression bar 1, motion bar 2, movable contact spring 3, long static palping foot 4, short static palping foot 5, U-shaped reed 6, back-moving spring 7, block 8, during general work, apply a downward power to depression bar 1, drive motion bar 2 and move downward, NO(often opens) the contact disconnection, NC(is normally closed) contacting, remove external force after, back-moving spring 7 resets switch; With depression bar 1 pull-up, motion bar 2 moves upward, and drives the 6 distortion upsets of U-shaped reed, and U-shaped reed 6 pins movable contact spring 3, keeps NO(often to open) contacting, cancel external force after, can keep self-locking.When block 8 was used for being blocked in general work, back-moving spring 7 applied power upwards to motion bar 2.After the self-locking, apply downward power to depression bar 1,6 distortion of U-shaped reed are turned, switch is in the general work state again.
Above-mentioned only is a specific embodiment of the present utility model, and all equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (1)
1. band draws the power supply door switch of self-locking, is made up of depression bar, motion bar, movable contact spring, long static palping foot, short static palping foot, U-shaped reed, back-moving spring, block, and it is characterized in that: described U-shaped reed is located on the movable contact spring; Described block is located at the back-moving spring below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320086845 CN203165720U (en) | 2013-02-26 | 2013-02-26 | Pull self-locking power source door switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320086845 CN203165720U (en) | 2013-02-26 | 2013-02-26 | Pull self-locking power source door switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203165720U true CN203165720U (en) | 2013-08-28 |
Family
ID=49026885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320086845 Expired - Lifetime CN203165720U (en) | 2013-02-26 | 2013-02-26 | Pull self-locking power source door switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203165720U (en) |
-
2013
- 2013-02-26 CN CN 201320086845 patent/CN203165720U/en not_active Expired - Lifetime
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |