CN2353773Y - Industrial sewing-machine switch with reversing device - Google Patents
Industrial sewing-machine switch with reversing device Download PDFInfo
- Publication number
- CN2353773Y CN2353773Y CN 98246746 CN98246746U CN2353773Y CN 2353773 Y CN2353773 Y CN 2353773Y CN 98246746 CN98246746 CN 98246746 CN 98246746 U CN98246746 U CN 98246746U CN 2353773 Y CN2353773 Y CN 2353773Y
- Authority
- CN
- China
- Prior art keywords
- contact
- industrial sewing
- reversing arrangement
- machine switch
- sewing machine
- 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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Abstract
The utility model relates to an industrial sewing-machine switch with a reversing device, belonging to fittings of industrial electrical equipment. The utility model comprises an outer shell, a button assembly, a movable contact group, a static contact group, and a reversing device. The utility model properly combines a circuit opening/closing device and a motor reversing device inside a switch, and provides convenience for the installation and operation of industrial sewing machines.
Description
The design belongs to the industrial electrical equipment accessory
The industrial sewing machine of selling on the market all is equipped with special-purpose manual key switch usually.This industrial sewing machine switch generally includes shell, button assembly, base, moving contact group, static contact group; Button assembly comprises start key, stop key, guide plate, bolt plate and return spring; The moving contact group comprises moving contact rack, two to three moving contacts and tension spring, return spring etc.; The static contact group comprises and is fixed on two on the base to three pairs of static contacts and binding post.The moving contact matrix of this switch is a strip sheet metal, and the contact of a protrusion respectively is equipped with at the sheet metal two ends, is used for matching with corresponding static contact contact, to finish closing of circuit or to disconnect action.
Common industrial sewing machine all can run into the rotating problem of motor when installing and use, some special industrial sewing machine requires motor to change rotation direction often.The reversing arrangement of this motor steering that just requires to change on the control circuit.Homemade industrial sewing machine all is furnished with special-purpose multichannel connector at present, carries out can changing motor steering by the direction of insertion of putting upside down connector when distribution uses on connector by designing requirement.Because the distribution solder joint is more on connector, be easy to produce rosin joint, wrong weldering, thereby cause service interruption or motor to damage, and this reversing arrangement use also not quite convenient.
The industrial sewing machine that some is abroad produced has been installed a slip reversing switch on motor casing, this switch comprises shell, has the commutation terminal plate of three docking points, and is fixed on a pair of contact chip on the slipper bracket; A docking point is an input in the middle of on the commutation terminal plate, and two docking points of end link with conductors cross and constitute forward and inverse output terminal; When stirring slipper bracket respectively when move at two ends, contact chip just can be connected forward loop or return circuit respectively, thereby realizes the rotation direction conversion of motor, and this slide switch has had improvement than the reversing mode of connector, but because the cause of installation site, it is very not convenient to operate yet.
Can create a kind of safe and reliablely, easy to operate on the basis of existing technology, have the packet type switch that circuit opens and closes function and motor commutation function simultaneously? this is the design's a aim.
The design comprises shell, button assembly, base, moving contact group, static contact group, has formed the circuit headstock gear with upper-part.Prior art is to the existing concrete solution of circuit headstock gear, and accompanying drawing 1 is its electrical schematic diagram.A among the figure
1-a
2, b
1-b
2, c
1-c
2Represent three pairs of static contacts, T
a, T
b, T
cRepresent three moving contacts.The design has proposed improvement project to prior art, and accompanying drawing 2 is its electrical schematic diagrams.A, b, c represent three static contacts, T among the figure
a, T
b, T
cRepresent three moving contacts.Improvement project has adopted the spring-plate type structure to moving contact, is touched to close by 2 of prior art to change any into and touch and close, and this can reduce contact resistance, increases to touch the reliability of closing.
The design's crucial part is to have set up a motor commutation device in the enclosure.This device comprises the commutation terminal plate that has three docking points, and a pair of contact chip; A docking point is an input in the middle of on the commutation terminal plate, and the two docking points intersection of end links and constitutes forward output and inverse output terminal; A pair of contact chip keeps engaging and can switching between forward output and inverse output terminal with input.Reversing arrangement can adopt multiple version, as slidingtype, swing type moving seesaw-type structure etc.Accompanying drawing 3 is the electrical schematic diagram of slidingtype reversing arrangement, n among the figure
1-n
2Represent a pair of input contact, o
1-o
2Represent a pair of forward output contact, p
1-p
2Represent a pair of reverse output contact, q, R represent a pair of skate.Accompanying drawing 4 is the electrical schematic diagram of moving seesaw-type reversing arrangement, n among the figure
1-n
2Expression input contact, o
1-o
2Expression forward output contact, p
1-p
2Represent reverse output contact, q, R represent the moving seesaw-type contact chip.
The design has proposed preferable assembled scheme, and the circuit headstock gear is adopted the spring-plate type moving contact structure, and the motor commutation device is adopted slidingtype contact chip structure.Accompanying drawing 5 is electrical schematic diagrams of this assembled scheme, is the reversing arrangement circuit part in the chain-dotted line square frame among the figure, is the internal wiring of whole switch in the frame of broken lines; A, b, c represent three static contacts, T among the figure
a, T
b, T
cRepresent three moving contacts, n
1-n
2Represent a pair of input contact, o
1-o
2Represent a pair of forward output contact, p
1-p
2Represent a pair of reverse output contact, q, R represent a pair of slidingtype contact chip, and M represents motor.
The embodiment of combinations thereof scheme is shown in accompanying drawing 6, accompanying drawing 7 and the accompanying drawing 8, and Fig. 6 is main cutaway view, and Fig. 7 is left cutaway view, and Fig. 8 is the commutation terminal plate.Comprise shell 1, stop key and return spring 2, guide plate and bolt plate 3, start key and return spring 4, commutation terminal plate 5, contact chip 6, slipper bracket 7, moving contact rack and tension spring 8, moving contact 9, static contact 10, base 11, supporting plate 12 among Fig. 6, Fig. 7.
The design closes structure to touching of circuit headstock gear and improves, and touches to close by 2 to change any into and touch and close, and has not only improved the reliability of switch but also can reduce production costs.The design is combined in circuit headstock gear and motor commutation device in the switch rightly, for the installation and the operation of industrial sewing machine are provided convenience.
The design is equally applicable on other small-sized electric equipment that need change rotation direction.
Claims (3)
1, the industrial sewing machine switch that has reversing arrangement comprises shell, button assembly, base, moving contact group, static contact group, it is characterized in that: reversing arrangement comprises commutation terminal plate and a pair of contact chip that has three docking points; A docking point is an input in the middle of on the commutation terminal plate, and the two docking points intersection of end links and constitutes forward output and inverse output terminal; A pair of contact chip keeps engaging and can switching between forward output and inverse output terminal with input.
2, according to the described industrial sewing machine switch that has reversing arrangement of claim 1, it is characterized in that: the moving contact in the so-called moving contact group has adopted the spring-plate type structure, and the one end is fixed and links with binding post, and the other end is equipped with the contact and can moves up and down.
3, according to claim 1 or the described industrial sewing machine switch that has reversing arrangement of claim 2, it is characterized in that: the contact chip in the so-called reversing arrangement has adopted sliding structure, and contact chip is fixed on the slipper bracket, and slipper bracket can move to two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98246746 CN2353773Y (en) | 1998-11-20 | 1998-11-20 | Industrial sewing-machine switch with reversing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98246746 CN2353773Y (en) | 1998-11-20 | 1998-11-20 | Industrial sewing-machine switch with reversing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2353773Y true CN2353773Y (en) | 1999-12-15 |
Family
ID=33992111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98246746 Expired - Fee Related CN2353773Y (en) | 1998-11-20 | 1998-11-20 | Industrial sewing-machine switch with reversing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2353773Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1651629B (en) * | 2004-02-07 | 2011-10-12 | 杜尔克普-阿德勒股份公司 | Sewing machine with function switch |
-
1998
- 1998-11-20 CN CN 98246746 patent/CN2353773Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1651629B (en) * | 2004-02-07 | 2011-10-12 | 杜尔克普-阿德勒股份公司 | Sewing machine with function switch |
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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 |