CN2460251Y - Commutation switch of AC-Dc electric welder - Google Patents
Commutation switch of AC-Dc electric welder Download PDFInfo
- Publication number
- CN2460251Y CN2460251Y CN 00264251 CN00264251U CN2460251Y CN 2460251 Y CN2460251 Y CN 2460251Y CN 00264251 CN00264251 CN 00264251 CN 00264251 U CN00264251 U CN 00264251U CN 2460251 Y CN2460251 Y CN 2460251Y
- Authority
- CN
- China
- Prior art keywords
- movable contact
- contact
- static
- rotating disk
- contact 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
Links
Images
Landscapes
- Manufacture Of Switches (AREA)
Abstract
The utility model relates to a changeover switch of an AC-DC electric welder. Leading wire ends of adjacent static wafers which are arranged on the external side of a base plate are mutually crosswise arranged, and a static contact on the other end of each static wafer is respectively contacted with two connected movable contacts of a movable wafer. Therefore, the utility model has the advantages of compact structure, reasonable arrangement, simple production mould and good versatility of parts, the volume capacity of unit volume and the electrical contact performance are enhanced, and copper alloy materials are saved.
Description
The utility model relates to a kind of structure of electric switch, especially a kind of change over switch of AC/DC electric welding machine.
The base plate of existing electric welding machine change over switch mostly is monolithic construction, and static contact is two groups, its outer making leaf spring that is provided with the enhancing contact pressure, and use bolt; Be provided with one group of movable contact spring on the bent axle of handle drives, movable contact spring is the monolithic v-shaped structure, and its angle is 120.Therefore, it is complicated to exist production mould, and cost is higher, and capacity is less, and material such as comparatively wastes at deficiency.
The structure of the electric welding machine change over switch that another kind is common is: the fixed insulation plate is divided into each one up and down.Wherein, upside fixed insulation plate is provided with one group of static contact, and following fixed insulation plate is provided with two groups of static contacts; One group of movable contact spring is arranged at the middle part, is driven by square shaft, and is provided with spring pressuring plate in the outside of movable contact spring; At the wiring position of static contact is the flexure type that breaks away from the plane.Therefore, also exist the wiring inconvenience, the static contact flexible type, overall structure is comparatively complicated, and volume is bigger, and insulating properties is not good enough to wait deficiency.
In addition, the someone has applied for the utility model patent of " magnet controlled waterproof, explosion-proof and corrosion-proof erosion AC-DC switch " (patent No. 92220476.4) by name.It is mainly disconnected by outer cover, power transmission line, contact and control contact or closed operating mechanism is formed.Contact is sealed in the inert gas filled glass tube; Disconnection of control contact or closed operating mechanism comprise the permanent magnet of handle and symmetrical configuration, handle is a closed-in construction, one groove is arranged on it, and permanent magnet is positioned at this groove, and motion makes contact produce magnetic pole of the same name and disconnects, produces synonyms pole and closure to the effect of handle control permanent magnet by external force.Though this kind switch has the performance of waterproof, explosion-proof and corrosion-proof erosion, but still it is comparatively complicated to exist structure, and the capacity of unit volume is less, and it is very unreasonable to arrange, material is comparatively wasted, the deficiency of aspects such as product cost height.
Goal of the invention of the present utility model provides a kind of compact conformation, connection and reasonable arrangement, and capacity is big, and material is economized, the change over switch of the AC/DC electric welding machine that electric contact performance is good.
Goal of the invention of the present utility model mainly is achieved by following technical proposals: be arranged on the lead end arrangement intersected with each other of each adjacent static contact of plate outer side; And the fixed contact of the described static contact other end touches mutually with two of movable contact spring continuous moving contacts respectively.Each static contact can be tilting to different directions, makes it to misplace each other, also can adopt the methods such as somewhere bending with static contact to realize it.
Described base plate is put together by some insulation strip, and is provided with the fixedly cell body of static contact between adjacent amalgamation; The mutually same lateral bending song of the lead end of described same row static contact, the opposite lateral bending song of the lead end of adjacent column; Described each movable contact spring is formed by two slit bamboo or chopped wood copper sheet riveteds, and the center line of two moving contacts of its below is 50 ° of-70 ° of angles and distributes, and equates with the distance of shaft centerline; Described each row fixed contact is distributed on the operation camber line of described moving contact.
Between described each movable contact spring, be provided with the insulation rotating disk; One end of described insulation rotating disk is non-circular rotating disk head, passes the respective through hole on the movable contact lamellar body, is inserted in the corresponding die cavity of adjacent insulation rotating disk; Be tightened to one at the clamp nut of the other end of the rotating shaft rotating disk that will insulate with therebetween movable contact spring.
Therefore, the utlity model has compact conformation, connection and reasonable arrangement has been simplified production mould greatly, and the versatility of part is good, has improved the capacity of unit volume and electric contact performance, has saved Cu alloy material.
Accompanying drawing 1 is a kind of end view of the present utility model;
Accompanying drawing 2 is a kind of main TV structure schematic diagrames of the present utility model;
Accompanying drawing 3 is structural representations of a kind of movable contact spring combination with part section in the utility model;
Accompanying drawing 4 is structural representations of a kind of static contact combination in the utility model;
Accompanying drawing 5 is vertical views of a kind of rotating disk head in the utility model;
Accompanying drawing 6 is A-A cutaway views of accompanying drawing 5.
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is done further concrete description.
Embodiment: the fixed contact 31 at described static contact 3 and two ends thereof and lead end 30 are to adopt the whole punching out of brass sheet to form; Wherein, the lead end 30 of same row is to the same side bending, and the lead end 30 of adjacent column is to the opposite side bending, make it to be arranged in the cell body of insulation strip 20 after, the lead end of its each adjacent static contact is in plate outer side arrangement intersected with each other, to reduce the volume of switch; Simultaneously, short in the middle of the fixed contact 31 of same row is, both sides are longer, and three fixed contacts in these row are distributed on the operation camber line of described moving contact.After both sides are equipped with support 1, be fixed in one with two sunk screws 11.Described movable contact spring includes two center lines and is moving contact 61 and the disk connector 65 that 60 ° of angles distribute, and is provided with corresponding through hole in its latter's center, and moving contact 61 is equal to the distance of shaft centerline.Said structure can adopt the punching out of tin bronze sheet to become, and then with rivet two slit bamboo or chopped wood copper sheet riveteds is integral.One end of described insulation rotating disk 7 is hexagonal rotating disk head 71, passes the hexagon through hole on the movable contact spring disk connector 65, is inserted in the hexagonal die cavity 70 of adjacent insulation rotating disk 7.Described insulation rotating disk 7 adopts bakelite to make, and places the inboard of support 1 then, puts on rotating shaft 72, and the end in rotating shaft is welded with cam 74 again, and its upper punch is shaped on two convex clips 77, just in time falls within the shrinkage pool 78 of insulation rotating disk 7 one ends, makes both engage the location; Be equipped with handle 9 in the outside of support 1 again; Be fastened on the support 1 with therebetween movable contact spring 6 at the clamp nut 73 of the other end of the rotating shaft rotating disk 7 that will insulate.
The utility model that has assembled can be directly installed on the panel of electric welding machine, perhaps is installed on the ad hoc support.The group number of set dynamic and static contact depends on the group number of required changing-over circuit in the switch, and for example 2-4 organizes, and conversion production kind is comparatively convenient.When handle during in a certain position, the middle one group fixed contact and the fixed contact of this side are through linking to each other with its contacted moving contact, required alternating current is delivered to electric torch, electric welding machine then is in the A.C. welder state, and the sensitive switch action of respective side makes its pairing indicator light bright; If turning handle 60, moving contact of the present utility model then joins the fixed contact of opposite side and middle one group of fixed contact, energized again, and electric current is promptly defeated to become direct current through rectification circuit, makes it electric welding machine and has become dc welding machine.Simultaneously, the handle of rotation drives another sensitive switch, and it is bright to make another organize corresponding indicator light, and original indicator light extinguishes.
In addition, the utility model also can be used as the AC-DC conversion on the alternating current-direct current pulse argon arc welding machine, perhaps can be used for other electric equipment commutation circuit and uses.
Claims (3)
1. the change over switch of an AC/DC electric welding machine, comprise several static contacts that are fixedly installed on the base plate, and be arranged on movable contact spring on the rotation axis, end at rotation axis is provided with handle, it is characterized in that being arranged on lead end (30) arrangement intersected with each other of adjacent each static contact (3) in base plate (2) outside; And the fixed contact (31) of described static contact (3) other end touches mutually with two continuous moving contacts (61) of movable contact spring (6) respectively.
2. according to the change over switch of claim 1 AC/DC electric welding machine, it is characterized in that described base plate (2) is put together by some insulation strip, and between adjacent amalgamation, be provided with the fixedly cell body of static contact (3); The mutually same lateral bending song of the lead end of described same row static contact (30), the opposite lateral bending song of the lead end of adjacent column (30); Described each movable contact spring (6) is formed by two slit bamboo or chopped wood copper sheet riveteds, and the center line of two moving contacts (61) of its below is 50 ° of-70 ° of angles and distributes, and equates with the distance of shaft centerline; Described each row fixed contact (31) is distributed on the operation camber line of described moving contact (61).
3. the change over switch of AC/DC electric welding machine according to claim 1 and 2 is characterized in that being provided with insulation rotating disk (7) between described each movable contact spring (6); One end of described insulation rotating disk (7) is a non-circular rotating disk head (71), passes the respective through hole on the movable contact lamellar body, is inserted in the corresponding die cavity (70) of adjacent collets; Be tightened to one at the clamp nut (73) of the other end of rotating shaft (72) rotating disk (7) that will insulate with therebetween movable contact spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00264251 CN2460251Y (en) | 2000-12-08 | 2000-12-08 | Commutation switch of AC-Dc electric welder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00264251 CN2460251Y (en) | 2000-12-08 | 2000-12-08 | Commutation switch of AC-Dc electric welder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2460251Y true CN2460251Y (en) | 2001-11-21 |
Family
ID=33618999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00264251 Expired - Fee Related CN2460251Y (en) | 2000-12-08 | 2000-12-08 | Commutation switch of AC-Dc electric welder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2460251Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102176395A (en) * | 2011-02-09 | 2011-09-07 | 蒋泽金 | Novel six-contact combined reverser |
-
2000
- 2000-12-08 CN CN 00264251 patent/CN2460251Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102176395A (en) * | 2011-02-09 | 2011-09-07 | 蒋泽金 | Novel six-contact combined reverser |
| CN102176395B (en) * | 2011-02-09 | 2014-07-02 | 蒋泽金 | Novel six-contact combined reverser |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2460251Y (en) | Commutation switch of AC-Dc electric welder | |
| CN216056599U (en) | Low-electric-energy-loss carbon brush of high-speed permanent magnet motor | |
| CN2838025Y (en) | Electromagnetic relay | |
| CN2337667Y (en) | Switching on-off electric magnet | |
| CN217562456U (en) | Isolator mechanism for looped netowrk cabinet | |
| CN2641796Y (en) | Electric switch | |
| CN214672250U (en) | Quincunx electrical contact with high-performance welding structure | |
| CN2294519Y (en) | Time difference shunt electric switch | |
| CN2042238U (en) | High-efficiency universal change-over switch | |
| CN215069681U (en) | Electric control switch | |
| CN212365829U (en) | Outdoor isolating switch | |
| CN2826663Y (en) | Magnetic blowout fast switch | |
| CN210805642U (en) | Stable and reliable high-voltage direct-current relay | |
| CN216850660U (en) | Triangle-shaped bus and ring main unit | |
| CN2906884Y (en) | High-power tumbler switch | |
| CN212990968U (en) | Control button of hoisting machinery | |
| CN2507121Y (en) | Large current bridge type isolator | |
| CN2251787Y (en) | Arc-free on-and-off device | |
| CN2545729Y (en) | Folding movable connection for power supply adapter | |
| CN2596543Y (en) | Electric control fall down type fuse | |
| CN2773883Y (en) | Outlet seat assembly of high-voltage isolated switch | |
| CN2417546Y (en) | Zero excitation tap changer | |
| CN2798289Y (en) | Outdoor high voltage insulating switch | |
| CN2370584Y (en) | Electric socket and switch | |
| CN2653670Y (en) | Double knife switch |
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 |