CN2620371Y - Safety multi-step switch - Google Patents
Safety multi-step switch Download PDFInfo
- Publication number
- CN2620371Y CN2620371Y CN 02245345 CN02245345U CN2620371Y CN 2620371 Y CN2620371 Y CN 2620371Y CN 02245345 CN02245345 CN 02245345 CN 02245345 U CN02245345 U CN 02245345U CN 2620371 Y CN2620371 Y CN 2620371Y
- Authority
- CN
- China
- Prior art keywords
- conducting strip
- moving contact
- movable
- switch
- spacer
- 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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- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
Disclosed is a safe multi-range switch, whose box body is composed of a switch seat and a switch cover; conductive sheets, static and dynamic contacts, a positioning sheet, a cam and a positioning wheel are arranged inside the box body; the conductive sheet of the dynamic contact is composed of a movable conductive sheet and a dynamic contact conductive sheet; one end of the movable conductive sheet has a rotatable connection with the dynamic contact conductive sheet; the movable conductive sheet is made of brass plate or other good conductor with rigidity whose thickness is 0.7 to 1.5 mm; a spring is arranged on the movable conductive sheet. Both ends of the positioning sheet are respectively connected with the fixed bolts on both sides of the positioning sheet in clearance fit; a spring is arranged on the positioning sheet, while the positioning wheel is arranged under the positioning sheet. As a novel safe multi-range switch, the utility model effectively improves the working accuracy, reliability and security of electric switches and can be widely applied to various electrical appliance devices, particularly to the multi-range electric cooker. Moreover, the utility has the advantages of simple structure, rational design and convenient installation and operation.
Description
Affiliated field:
The utility model relates to a kind of appliance switch, particularly a kind of safe multi-gear switch.
Background technology:
Common appliance switch is with the conducting strip of spring leaf as movable contact, utilize the strain of spring leaf material to realize that switch contact switches on and off, convenience simple in structure, but for the switch of the big electric current rigidity deficiency that then seems, thus the reliability of switch influenced.For addressing this problem, people increase some flexure planes on the face of spring leaf makes it increase rigidity.Because conducting strip is a strain of utilizing its material, to directly influence the conducting strip quality to the processing of material itself and the processing of shape, the flexible deviation of conducting strip will cause contact displacement or loose contact, when big electric current passes through, just be easy to generate spark, even burn out contact, so the reliability of appliance switch will directly influence the quality of electric equipment products.
Summary of the invention:
The purpose of this utility model is to propose the technical scheme of new a kind of safe multi-gear switch.
The technical solution of the utility model is to implement like this, a kind of safe multi-gear switch, primary structure is that switch base and switch cover are connected by securing member, constitute a box body, be provided with fixed contact conducting strip, fixed contact, moving contact and spacer in the box body, camshaft is provided with cam and locating wheel, it is characterized in that:
The moving contact conducting strip is made up of movable conducting strip and moving contact conducting strip, the moving contact conducting strip is fixed on the switch base, and movable conducting strip one end and moving contact conducting strip are rotatably connected, and other holds the bottom to be provided with moving contact, movable conducting strip thickness is 0.7-1.5MM, and top is provided with spring;
The hole is established at the spacer two ends, is connected with the set bolt matched in clearance of both sides respectively, and at least one end is provided with spring on the spacer, and the spacer bottom is a locating wheel.
The structure that movable conducting strip one end and moving contact conducting strip are rotatably connected is, moving contact conducting strip upper end is provided with the hole that matches with movable conducting strip, movable conducting strip one end and this Kong Weida matched in clearance, moving contact conducting strip lower end is the joint of power supply leading-in end, the movable conducting strip middle part is provided with one section curved surface at least, movable conducting strip length H and spring center to the ratio of movable conducting strip the right distance h is at least H: h=5: 1, spring top is by the location of the position-limited edge on the switch cover, and the bottom is by the protruding nail location on the movable conducting strip.The hole at spacer two ends and the set bolt of both sides be big matched in clearance or the hole be made as the waist hole, and spacer is consistent with the shape and the locating wheel of locating wheel contact position, and spacer sheet thickness is 0.7-1.5MM.C6 termination electrical appliance R3 in addition in contact in the circuit.
Movable conducting strip, moving contact conducting strip and fixed contact conducting strip material are that brass sheet or other have the good conductor of rigidity.
Characteristics of the present utility model mainly are, the moving contact conducting strip is made up of movable conducting strip and two of moving contact conducting strips, the moving contact conducting strip is fixed on the switch base, movable conducting strip one end and moving contact conducting strip are rotatably connected, its syndeton is, moving contact conducting strip upper end is provided with the hole, and the lower end is terminals, movable conducting strip one end and this Kong Weida matched in clearance, movable conducting strip can this hole be that fulcrum rotates like this.The hole of moving contact conducting strip upper end can be for a plurality of, and 1 moving contact conducting strip can match with the movable conducting strip more than 2, and compact conformation is safe and convenient to use.Be the rigidity of increase movable conducting strip and the accuracy and the stability of location, the movable conducting strip middle part is provided with one or more snippets curved surface.Movable conducting strip top is provided with the spring that helps the conducting strip return, and each spring top is by the location of the position-limited edge on the switch cover, and the bottom selects rational return spring position can guarantee the contact contact separation accurately and reliably by the protruding nail location on the movable conducting strip.Movable conducting strip has certain thickness, is made by hard brass or other good conductor material with rigidity, and movable conducting strip in use will not produce strain like this.
The hole is established at the structure spacer two ends of positioner, be that big matched in clearance is connected with the set bolt of both sides respectively, or the hole is made as the waist hole, the bolt one or both ends on spacer top are provided with the spring that helps the spacer return, spacer is by spacing parallel up and down the moving of two bolts, the spacer bottom is a locating wheel, and spacer has certain thickness, so in use will not produce strain.Spacer is consistent with the shape and the locating wheel of locating wheel contact position.
Also be provided with standby terminals in the circuit, the utility model both can be used as switching contact usefulness own like this, and the interlock that also can be used as another switch is used, and also can be used for connecting indicator light.
The utility model effectively raises accuracy, reliability and the fail safe of electric switch work, and simple in structure, reasonable in design, easy to install, can be widely used in various electrical installations, Multistep adjusting electric range particularly, the utility model is a kind of novel safe multi-gear switch.
Description of drawings
Fig. 1 is the utility model front view
Fig. 2 is the utility model B-B view
Fig. 3 is the utility model A-A view
Fig. 4 is the utility model moving contact conducting strip front view
Fig. 5 is the utility model moving contact conducting strip right view
Fig. 6 is the utility model schematic wiring diagram
Fig. 7 is the utility model electrical schematic
Embodiment:
Embodiment
Connect by securing member with nonconductive material switch base (1) and switch cover (5) two bodies, constitute a box body, left end is established through hole in the middle of two box bodys, right-hand member is blind hole, step is all arranged, as bearing pedestal, with steel system camshaft (16), design gear as required, cam (6) with 5 different gears of engineering plastics system, the locating wheel (14) and the two end axles bearing of one 5 five equilibrium of right-hand member, and be cast as an integral body with camshaft, fixed contact conducting strip (2) is established in every grade of cam corresponding position, fixed contact (3), moving contact conducting strip (9) and moving contact (4), fixed contact conducting strip lower end is binding post (10), is furnished with line pressing bolt, nut.The moving contact conducting strip is made up of movable conducting strip (7) and moving contact conducting strip (9), the moving contact conducting strip is fixed on the switch base, the every joint (10) that moving contact conducting strip bottom is 1 power supply leading-in end, 3 rectangle connecting holes are established on top, movable conducting strip one end and this Kong Weida matched in clearance, can rotate up and down in the movable conducting strip one end patchhole, other holds the bottom to be provided with moving contact, and movable conducting strip thickness is 0.7-1.5MM.Return spring (8) is established on movable conducting strip top, return spring center to the distance h on movable conducting strip the right and the ratio of movable conducting strip length H is h: H=1: 5, spring (8) top is by being made as the position-limited edge location of one with switch cover, and the bottom is by the protruding nail location of making on the movable conducting strip.Movable conducting strip (7) since brass sheet or other good conductor material with rigidity make.Moving contact conducting strip (9) and fixed contact conducting strip (2) are made by the good conductor material.Set bit slice (13) with the locating wheel corresponding section, the hole at spacer two ends and the set bolt of both sides (11) are big matched in clearance, also the hole can be made as the waist hole, the set bolt place of an end is provided with spring (12) on the spacer, the shape of spacer and locating wheel contact position and locating wheel mutually one to, spacer thickness is 0.7-1.5MM.
Fig. 6, Fig. 7 are used for the winding diagram and the circuit diagram of Multistep adjusting electric range for many grades of safety switches, its electrical equipment connects, center line C1 contact D1 in parallel, D2, phase line C2 contact D3 in parallel, D4, D5, contact D5 holds C6 to meet electrical appliance R3 in addition, and contact D4 holds C5 to meet electric furnace heating wire R1 and R2 in addition, and R1 and R2 are the electric furnace heating wire of different capacity, R2 holds C4 collateral contact D2, D3 in addition, and contact D1 holds C3 to be connected between two electric furnace heating wires in addition.
Its electrical equipment principle is
The rotational positioning wheel is controlled 5 pairs of contacts by the cam of 5 grades of diverse locations and is switched on or switched off, and makes circuit obtain 5 kinds of states, makes electric stove obtain 5 kinds of different power, and electrical appliance R3 is an indicator light.
Switch A condition, whole dynamic and static contacts break away from, and electric furnace heating wire is a no power for " OFF ".
Switch B state, contact 2,4,5 closures, contact 1,3 is opened, and electric furnace heating wire (18) is the energising of connecting with electric furnace heating wire (17).
Switch C state, contact 1,4,5 closures, contact 2,3 is opened the single energising of electric furnace heating wire (18).
Switch D state, contact 1,3,5 closures, contact 2,4 is opened the single energising of electric furnace heating wire (17).
Switch E state, contact 1,3,4,5 closures, contact 2 is opened, and electric furnace heating wire (18) is energising in parallel with electric furnace heating wire (17).
Claims (4)
1, a kind of safe multi-gear switch, primary structure is that switch base (1) and switch cover (5) are connected by securing member, constitute a box body, be provided with fixed contact conducting strip (2), fixed contact (3), moving contact (4) and spacer (13) in the box body, camshaft (16) is provided with cam (6) and locating wheel (14), it is characterized in that:
The moving contact conducting strip is made up of movable conducting strip (7) and moving contact conducting strip (9), moving contact conducting strip (9) is fixed on the switch base, movable conducting strip (7) one ends and moving contact conducting strip are rotatably connected, other holds the bottom to be provided with moving contact, movable conducting strip thickness is 0.7-1.5MM, and top is provided with spring (8);
The hole is established at spacer (13) two ends, is connected with set bolt (11) matched in clearance of both sides respectively, and at least one end is provided with spring (12) on the spacer, and the spacer bottom is locating wheel (14).
2, a kind of safe multi-gear switch as claimed in claim 1 is characterized in that:
The structure that movable conducting strip (7) one ends and moving contact conducting strip (9) are rotatably connected is, moving contact conducting strip upper end is provided with the hole that matches with movable conducting strip, movable conducting strip one end and this Kong Weida matched in clearance, moving contact conducting strip lower end is the joint (10) of power supply leading-in end, the movable conducting strip middle part is provided with one section curved surface at least, movable conducting strip length H and spring (8) center to the ratio of movable conducting strip the right distance h is at least H: h=5: 1, spring (8) top is by the location of the position-limited edge on the switch cover, and the bottom is by the protruding nail location on the movable conducting strip;
The hole at spacer (13) two ends and the set bolt (11) of both sides are made as the waist hole for big matched in clearance or with the hole, and spacer is consistent with the shape and the locating wheel of locating wheel contact position, and spacer sheet thickness is 0.7-1.5MM;
C6 termination electrical appliance R3 in addition in contact in the circuit.
3, a kind of safe multi-gear switch as claimed in claim 1 is characterized in that: the set hole that matches with movable conducting strip, moving contact conducting strip upper end is at least 2.
4, a kind of safe multi-gear switch as claimed in claim 1 is characterized in that: movable conducting strip (7) material is that brass sheet or other have the good conductor of rigidity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02245345 CN2620371Y (en) | 2002-12-23 | 2002-12-23 | Safety multi-step switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02245345 CN2620371Y (en) | 2002-12-23 | 2002-12-23 | Safety multi-step switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2620371Y true CN2620371Y (en) | 2004-06-09 |
Family
ID=34238198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02245345 Expired - Fee Related CN2620371Y (en) | 2002-12-23 | 2002-12-23 | Safety multi-step switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2620371Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105489405A (en) * | 2016-01-08 | 2016-04-13 | 谭境华 | Multi-shift speed control switch |
-
2002
- 2002-12-23 CN CN 02245345 patent/CN2620371Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105489405A (en) * | 2016-01-08 | 2016-04-13 | 谭境华 | Multi-shift speed control 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 |