CN2332052Y - Forced pulling switch - Google Patents
Forced pulling switch Download PDFInfo
- Publication number
- CN2332052Y CN2332052Y CN 97243090 CN97243090U CN2332052Y CN 2332052 Y CN2332052 Y CN 2332052Y CN 97243090 CN97243090 CN 97243090 CN 97243090 U CN97243090 U CN 97243090U CN 2332052 Y CN2332052 Y CN 2332052Y
- Authority
- CN
- China
- Prior art keywords
- ratchet
- mandrel
- switch
- backguy
- spring
- 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 - Fee Related
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- Push-Button Switches (AREA)
Abstract
The utility model relates to a forced action type pull-cord switch, which adopts an axial ratchet wheel and a ratchet structure to realize the on-off of the power supply by a spring. Compared with the old type switch, the utility model has the advantages of small size, compact structure, long service life, and steady performance; the phenomenon that the pull-cord of the old type switch can not be pulled, caused by the abrasion of a pawl, can not happen.
Description
The utility model relates to appliance switch, particularly a kind of power supply pulling switch that uses ratchet structure.
What old-fashioned pulling switch adopted is circular motion type ratchet mechanism, and its defective is that the bakelite ratchet weares and teares easily, drives switch after the wearing and tearing again, ratchet will skid, thereby the motionless malfunctioning switch that causes is just drawn in backguy, and backguy is passed long-term pulling and made the backguy wear and rupture, the wiring difficulty from switch in addition.
The purpose of this utility model is: design a kind of ratchet as the axial rotation in the ball pen, ratchet structure by the pulling mandrel, makes recoil of spring and compression, realizes the break-make of power supply.
The purpose of this utility model is achieved in that employing makes the ratchet mechanism of bidirectional-movement on circumference, by the change in location of ratchet and hook tooth, makes recoil of spring and compression, the contact that drives contact with separate, realize switching on and off of power supply.
Fig. 1 is the utility model structural representation
Among the figure: contact on 1 housing, 2 ratchet loam cakes, 3 ratchets, 4 fairleads, 5 ratchets, 6,7 mandrels, 8 springs, 9 contact copper sheets, 10 times contacts, 11 backguys
Further introduce implementation method of the present utility model below in conjunction with accompanying drawing:
On the top of housing 1 ratchet loam cake 2 is housed, ratchet 3 is positioned at ratchet loam cake 2, ratchet 3 is positioned at fairlead 4 with ratchet 5, last contact 6 is contained in the top of mandrel 7, spring 8 is placed on the mandrel 7, touch copper sheet 10 down and be positioned at the bottom of touching copper sheet 6, the power line of switch is connected on the screw of contact chip 9, and backguy 11 is connected in mandrel 7 afterbodys.
Leave behind backguy 11, ratchet 3 just pushing away ratchet 5, do axial motion downwards, when ratchet 5 has surpassed spline in the fairlead 4, because the positive action of 3 pairs of hook tooths 5 of ratchet of band angle, ratchet 5 is just done corresponding the rotation, at this moment the pawl cutting edge of a knife or a sword of ratchet 3 is at the bottom of the tooth of ratchet 5 teeth, last contact 6 is connected with following contact 10, following contact 10 is bent, unclamp backguy 11, spring 8 is pushing away ratchet 5 resiliences, when ratchet 5 contacted with fairlead 4 internal splines, the helical teeth cutting edge of a knife or a sword of spline forced ratchet 5 teeth to rotate, be contacted with the helical teeth cutting edge of a knife or a sword at the bottom of the tooth of ratchet 5, switch just is out shape.The backguy 11 of leaving behind once more, the positive action of 3 pairs of ratchets 5 of ratchet of band angle, ratchet 5 rotates, at this moment the pawl cutting edge of a knife or a sword of ratchet is at the bottom of the tooth of ratchet 5 teeth, and have a groove, ratchet 3 to enter in the groove at the bottom of ratchet 5 teeth of this angle, unclamp backguy 11, spring 8 is pushing away ratchet 5 resiliences, when contacting with fairlead 4 internal splines, the helical teeth cutting edge of a knife or a sword of spline forces ratchet 5 to rotate, and ratchet 5 geosynclinal convexs advance spline, last contact 6 is thrown off with following contact 10, and switch is out shape.
The utility model is simple in structure, switch is reliable, long service life, the backguy of not wearing and tearing, and is the desirable regeneration product of present pulling switch.
Claims (2)
1, a kind of forced action type pulling switch is characterized in that: backguy 11 lies on the mandrel 7, and spring 8 is placed on the mandrel 7, and mandrel 7 promotes the ratchet ratch mechanism of axial rotation, makes contact 6 and following contact 10 realize break-make.
2, according to a kind of forced action type pulling switch of claim 1, it is characterized in that: ratchet loam cake 2 is equipped with on the top of housing 1, ratchet 3 is positioned at ratchet loam cake 2, ratchet 3 is positioned at fairlead 4 with ratchet 5, on touch the top that copper sheet 6 is contained in mandrel 7, spring 8 is placed on the mandrel 7, touch copper sheet 10 down and be positioned at the bottom of touching copper sheet 6, backguy 11 is connected in the afterbody of mandrel 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97243090 CN2332052Y (en) | 1997-12-11 | 1997-12-11 | Forced pulling switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97243090 CN2332052Y (en) | 1997-12-11 | 1997-12-11 | Forced pulling switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2332052Y true CN2332052Y (en) | 1999-08-04 |
Family
ID=33952156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97243090 Expired - Fee Related CN2332052Y (en) | 1997-12-11 | 1997-12-11 | Forced pulling switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2332052Y (en) |
-
1997
- 1997-12-11 CN CN 97243090 patent/CN2332052Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |