CN2482734Y - Magnetic blowout fast switch - Google Patents
Magnetic blowout fast switch Download PDFInfo
- Publication number
- CN2482734Y CN2482734Y CN 01246369 CN01246369U CN2482734Y CN 2482734 Y CN2482734 Y CN 2482734Y CN 01246369 CN01246369 CN 01246369 CN 01246369 U CN01246369 U CN 01246369U CN 2482734 Y CN2482734 Y CN 2482734Y
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- CN
- China
- Prior art keywords
- contact
- push rod
- switch
- terminals
- fixed
- 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 belongs to the technical field of electrical switches and relates, in particular, to a magnetic-blown snap switch. The switch comprises a push rod the upper part of which protrudes out of a casing. A contact bearer is fixed on the push rod and, cooperating with a clip spring, relatively fixes a left moving contact and a right moving contact. Two surfaces of the ends of the moving contacts are both arranged with contact points. The lower part of the push rod is arranged with a return spring. In addition, the casing is also arranged with a left fixed contact, a right fixed contact, an upper fixed contact and a lower fixed contact as well as with a left wire end, a right wire end, an upper wire end and lower wire end to which the fixed contacts can be electrically connected. Of the four wire ends, the two at the left side or the two at the right side are electrically connected. The utility model has the advantage that the inlet and outlet wires cannot be incorrectly connected, avoiding the switch burnout, and thereby lengthening the serviceable life of the switch.
Description
Technical field
The utility model belongs to the electric switch technical field, is meant a kind of magnetic blow-out quick-action switch especially.
Background technology
Existing various magnetic blow-out quick-action switch as shown in Figure 2, when push rod moves down under external force, the contact supporting that is fixed on the push rod also moves down thereupon, simultaneously, the end that the contact supporting drives movable contact spring moves down, and movable contact spring under the effect of jump ring, upwards lifts the other end of movable contact spring again, and contact with static contact, make the signal of telecommunication pass through this magnetic blow-out quick-action switch conducting.The principle of another magnetic blow-out quick-action switch is identical with above-mentioned magnetic blow-out quick-action switch, and difference is that its static contact is installed in the bottom, when pressing lower push-rod, is conducting rather than disconnection.Above-mentioned magnetic blow-out quick-action switch only has out or one closes function, when the power electronics circuit needs two to open two when closing two kinds of functions, just needs uses that will above-mentioned four magnetic blow-out quick-action switches combine, and like this, installation is inconvenient.In addition, with the use that combines of above-mentioned a plurality of magnetic blow-out quick-action switches, synchronism is relatively poor.There was the people that this is had out afterwards or a magnetic blow-out quick-action switch that closes function improves, as shown in Figure 3, two unit about it is divided into the magnetic blow-out quick-action switch, each unit comprises left and right, upper and lower four static contacts, correspondingly, be provided with simultaneously on each unit with described four static contacts and conduct four terminals that connect, and the terminal two sides of described movable contact spring all is provided with the contact.Only use such magnetic blow-out quick-action switch just can finish the switching function of power electronics circuit, just no longer need the use that combines of four magnetic blow-out quick-action switches, like this, simple installation has reduced cost, has realized synchronous switching.Adopt the magnetic blow-out quick-action switch of above-mentioned four terminals, the user usually arbitrarily connects the turnover line, switch often open with normally-closed contact under two groups of different power supply effects, be easy to generate bigger electric arc, usually burn out switch.
Summary of the invention
To be solved in the utility model is both simple installations, reduces cost, and realizes opening and closing synchronously, is not easy to produce bigger electric arc again, can not burn out this technical problem of switch.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of magnetic blow-out quick-action switch, comprise that a top protrudes in the push rod outside the housing, the supporting of one contact is fixed on this push rod, this contact supporting cooperates two movable contact springs about relative fixed with a jump ring, the terminal two sides of movable contact spring all is provided with the contact, the bottom of described push rod is provided with back-moving spring, in addition, on housing, also be provided with a left side, right, on, following four static contacts and can conduct a left side that connects with described four static contacts, right, on, following four terminals is characterized in that: two terminals in the left side in described four terminals conduct connection or two terminals in the right side conduct connection.
Compared with prior art, advantage of the present utility model is to make the user can not pass in and out line by wrong, and avoid burning out switch, thereby prolonged the useful life of switch,
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is prior art (one's) a structural representation;
Fig. 3 is prior art (twos') a structural representation.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
A kind of magnetic blow-out quick-action switch as shown in Figure 1, comprise that a top protrudes in the push rod 1 outside the housing 9, one contact supporting 4 is fixed on this push rod 1, this contact supporting 4 cooperates two movable contact springs 5 about relative fixed with a jump ring 2, the terminal two sides of movable contact spring 5 all is provided with contact 3, as shown in Figure 1, contact 3 is round table-like.The bottom of described push rod 1 is provided with back-moving spring 6, in addition, on housing 9, also be provided with left and right, upper and lower four static contacts 11 and can conduct left and right, upper and lower four terminals 8 that connect with described four static contacts 11, as shown in Figure 1, two terminals 8 in the left side in described four terminals 8 conduct connection by brace 7, certainly, also can make two terminals 8 in the right side conduct connection.When push rod 1 moves down under external force, be fixed on the contact supporting 4 of push rod on going out also moves down thereupon, simultaneously, the end that contact supporting 4 drives movable contact spring 5 moves down, movable contact spring 5 is again under the effect of jump ring 2, the other end of movable contact spring 5 is upwards lifted, and contact, make the signal of telecommunication pass through this magnetic blow-out quick-action switch conducting with static contact 11.The utility model conducts connection by brace 7 with two terminals 8 in the left side, makes it that common point arranged, and can indicate the turnover line on housing 9, makes the user can not pass in and out line by wrong, and avoid burning out switch, thereby prolonged the useful life of switch,
In order to eliminate electric arc, the utility model also respectively is provided with a magnet steel 10 in housing 9 both sides.
Claims (3)
1, a kind of magnetic blow-out quick-action switch, comprise that a top protrudes in the push rod outside the housing, the supporting of one contact is fixed on this push rod, this contact supporting cooperates two movable contact springs about relative fixed with a jump ring, the terminal two sides of movable contact spring all is provided with the contact, the bottom of described push rod is provided with back-moving spring, in addition, on housing, also be provided with a left side, right, on, following four static contacts and can conduct a left side that connects with described four static contacts, right, on, following four terminals is characterized in that: two terminals in the left side in described four terminals conduct connection or two terminals in the right side conduct connection.
2, magnetic blow-out quick-action switch as claimed in claim 1, it is characterized in that: described contact is round table-like.
3, magnetic blow-out quick-action switch as claimed in claim 1 or 2 is characterized in that: described housing both sides respectively are provided with a magnet steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01246369 CN2482734Y (en) | 2001-07-05 | 2001-07-05 | Magnetic blowout fast switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01246369 CN2482734Y (en) | 2001-07-05 | 2001-07-05 | Magnetic blowout fast switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2482734Y true CN2482734Y (en) | 2002-03-20 |
Family
ID=33657417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01246369 Expired - Lifetime CN2482734Y (en) | 2001-07-05 | 2001-07-05 | Magnetic blowout fast switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2482734Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102315036A (en) * | 2010-06-29 | 2012-01-11 | 上海友邦电气(集团)股份有限公司 | Expandable module for electric press button |
-
2001
- 2001-07-05 CN CN 01246369 patent/CN2482734Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102315036A (en) * | 2010-06-29 | 2012-01-11 | 上海友邦电气(集团)股份有限公司 | Expandable module for electric press button |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20110705 Granted publication date: 20020320 |