CN201689799U - Isolating switch with arc interrupting device - Google Patents
Isolating switch with arc interrupting device Download PDFInfo
- Publication number
- CN201689799U CN201689799U CN2010201938524U CN201020193852U CN201689799U CN 201689799 U CN201689799 U CN 201689799U CN 2010201938524 U CN2010201938524 U CN 2010201938524U CN 201020193852 U CN201020193852 U CN 201020193852U CN 201689799 U CN201689799 U CN 201689799U
- Authority
- CN
- China
- Prior art keywords
- isolating switch
- transmission mechanism
- current interruption
- interruption device
- insulation crust
- 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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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/32—Insulating body insertable between contacts
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model discloses an isolating switch with an arc interrupting device, which comprises an insulation housing, an operating handle, an internal transmission mechanism, a movable contact and a fixed contact, wherein the operation handle drives the movable contact to lead the movable contact and the fixed contact to be either connected or disconnected through the internal transmission mechanism; an arc interrupting device is also included in the isolating switch; and one end of the arc interrupting device is rotatably connected with the lower end of the internal transmission mechanism, and the other end of the arc interrupting device is arranged between the movable contact and the fixed contact as driven by the internal transmission mechanism. The utility model can be quickly cut off; meanwhile, as the electric arc is interrupted, the housing can be protected against puncture, and the electric life is ensured.
Description
Technical field
The utility model relates to the isolating switch field, relates to a kind of isolating switch with the current interruption device in particular.
Background technology
Existing low pressure isolating switch mainly comprises insulation crust, operating grip, binding post, inner transmission mechanism, moving contact and fixed contact; This insulation crust is as the housing of whole switch, and plays the effect of carrying remaining part; This operating grip is transmitted in this moving contact by this inside transmission mechanism, and makes can present between this moving contact and this fixed contact and be connected and disconnect two states, and this binding post then plays the effect that is communicated with moving contact, fixed contact and external component; Can realize the switching of connection status between moving contact and the fixed contact like this by the control operation handle, thereby play the effect of switch.
But this existing isolating switch has following defective usually:
One, this moving contact and fixed contact moment of disconnecting can produce electric arc and burns between moving contact and fixed contact, and has the danger that possibility punctures shell;
Two, moving contact and fixed contact disconnect moment during, this moving contact and fixed contact still are in conducting state, i.e. its cut off circuit not in fact, and after must electric arc such as grade extinguishing naturally, just disconnection fully of circuit;
If three, electric arc does not in time extinguish, will produce scaling loss to moving contact and fixed contact, thereby influence the electrical endurance of switch.
In view of this, the inventor has this case to produce at the above-mentioned defective further investigation of existing isolating switch then.
The utility model content
The purpose of this utility model is to provide a kind of isolating switch with the current interruption device, causes puncture shell hidden danger, the actual disconnection to have delay and the short problem of electrical endurance to produce electric arc between moving contact and the fixed contact in the isolating switch in the solution prior art.
In order to reach above-mentioned purpose, solution of the present utility model is:
A kind of isolating switch with the current interruption device, comprise insulation crust, operating grip, inner transmission mechanism, moving contact and fixed contact, this operating grip drives moving contact via this inside transmission mechanism and makes to present between this moving contact and the fixed contact and connects and the disconnection two states, wherein, this isolating switch also comprises the current interruption device, this retaining arc device one end is rotatably connected to the lower end of inner transmission mechanism, and the other end then can be inserted between this moving contact and the fixed contact via the drive of this inside transmission mechanism.
Further, this current interruption device comprises that retaining arc plate and two ends are connected to the elastic component on retaining arc plate and the inner transmission mechanism.
Further, this retaining arc plate is resisted against on the fixed contact via the elasticity ejection of this elastic component.
Further, this transmission mechanism lower end, inside forms draw-in groove, and this retaining arc plate one end then forms for the connecting axle that engages with draw-in groove.
Further, this retaining arc plate is V-shaped.
Further, this inside transmission mechanism has sliding bar, connecting rod and rod spring; This sliding bar is slidably disposed on the guide rail of insulation crust, and is formed with for the mounting groove that links to each other with operating grip; This connecting rod one end is rotatably connected on the operating grip, and the other end is formed with chute, is plugged with steady pin in this chute, and this steady pin is fixed on this insulation crust; This rod spring is set on the connecting rod and two ends are resisted against respectively on steady pin and the operating grip.
Further, this sliding bar also convexes with block, and this isolating switch also comprises by pivot and is rotatably connected on indication piece on the insulation crust, also is arranged with torsion spring on this pivot; This indication piece one side is formed with the convex tendon that supplies with block and insulation crust conflict, and opposite side forms painted that is provided with two kinds of different colours, and this insulation crust also is provided with observation window at this painted contiguous place.
Further, this operating grip has main body that is rotatably connected on the insulation crust and the operating side that links to each other with main body, and this insulation crust upper end is formed with opening, and this operating side is exposed to this opening.
After adopting said structure, a kind of isolating switch that the utility model relates to the current interruption device, it is when cut-off switch, and under the effect of operating grip, this inside transmission mechanism drives the moving contact motion, and makes it to break away from this fixed contact; At this moment, this current interruption device can be under the effect of inner transmission mechanism, and inserts between this moving contact and the fixed contact, and then play the effect of cutting off electric arc, thereby make the utility model can cut off switch rapidly, be cut off owing to electric arc simultaneously, so also can guarantee the not breakdown and electrical endurance of shell.
Description of drawings
A kind of isolating switch with the current interruption device that Fig. 1 relates to for the utility model is in the stereogram of off-state;
Fig. 2 is the three-dimensional enlarged diagram between current interruption device and the inner transmission mechanism among Fig. 1;
Fig. 3 is the perspective exploded view between current interruption device and the inner transmission mechanism among Fig. 1;
Fig. 4 is the cutaway view along sliding bar longitudinally cutting among Fig. 1;
Fig. 5 is the cutaway view of current interruption device part among Fig. 1;
Stereogram when a kind of isolating switch with the current interruption device that Fig. 6 relates to for the utility model moves steady pin, link pin and operating grip center sight alignment downwards;
A kind of isolating switch with the current interruption device that Fig. 7 relates to for the utility model is in the stereogram of bonding state;
Fig. 8 is the cutaway view of current interruption device part among Fig. 7.
Among the figure:
Isolating switch 100 insulation crusts 1
Draw-in groove 313 connecting rods 32
Moving contact 4 stage clips 41
Fixed contact 5 current interruption devices 6
Retaining arc plate 61 connecting axles 611
73 painted 74 of convex tendons
Embodiment
In order further to explain the technical solution of the utility model, the utility model is elaborated below by specific embodiment.
Extremely shown in Figure 8 as Fig. 1, the preferred embodiment of a kind of isolating switch 100 with current interruption device 6 that relates to for the utility model shown in it, it comprises insulation crust 1, operating grip 2, inner transmission mechanism 3, moving contact 4 and fixed contact 5, this insulation crust 1 is as the housing of whole isolated switch 100, and play the carrying remaining part effect, 2 conducts of this operating grip are used for operating personnel's practical operation, thereby drive moving contact 4 motions by inner transmission mechanism 3, thereby making to present between this moving contact 4 and the fixed contact 5 connects and disconnects two states, and this fixed contact 5 is fixed in the insulation crust 1 and cannot moves.Need to prove that above-mentioned feature is those skilled in the art's well-known features,, below improvement of the present utility model be described in detail so no longer characteristics such as its material are encyclopaedized:
This isolating switch 100, also comprise current interruption device 6, this current interruption device 6 comprises retaining arc plate 61 and elastic component 62 in the present embodiment, these elastic component 62 two ends are connected on retaining arc plate 61 and the inner transmission mechanism 3, these retaining arc plate 61 1 ends are rotatably connected to the lower end of inner transmission mechanism 3, the other end then can be inserted between this moving contact 4 and the fixed contact 5 via the elasticity ejection of the drive of this inside transmission mechanism 3 and elastic component 62, and this elastic component 62 is concrete to be adopted compression springs and should keep off arc plate 61 courts away from inner transmission mechanism 3 ejections.Certainly, as a kind of scheme of replacement, the elastic reaction that this elastic component 62 is played can be directly embedded in the retaining arc plate 61, promptly should the rubber-like sheet material of retaining arc plate 61 direct employings own.
As preferred scheme, this retaining arc plate 61 is resisted against on the fixed contact 5 via the elasticity ejection of this elastic component 62, and it is V-shaped to keep off arc plate 61, this retaining arc plate 61 is when moving up and down with inner transmission mechanism 3 like this, can under the ejection effect of elastic component 62, slide along fixed contact, specifically referring to Fig. 1, the variation diagram of Fig. 6 and three states of Fig. 7, certainly this retaining arc plate 61 is not must be resisted against on the fixed contact 5, as long as it can be inserted between this moving contact 4 and the fixed contact 5 along with the action of inner transmission mechanism 3, be resisted against on the insulation crust 1 such as keeping off arc plate 61.
As the rotatable a kind of specific embodiment that links to each other between this retaining arc plate 61 and the inner transmission mechanism 3, as shown in Figures 2 and 3, these inside transmission mechanism 3 lower ends form draw-in groove 313, and these retaining arc plate 61 1 ends then form for the connecting axle 611 that engages with draw-in groove 313.By the snap action between this connecting axle 611 and this draw-in groove 313, retaining arc plate 61 is moved up and down with inner transmission mechanism 3, this retaining arc plate 61 also can be under the ejection effect of this elastic component 62 and rotate on the other hand.
In order to make this inside transmission mechanism 3 apace moving contact 4 to be separated and combination with fixed contact 5, as Fig. 1, Fig. 6 and shown in Figure 7, this inside transmission mechanism 3 has sliding bar 31, connecting rod 32 and rod spring 33; This sliding bar 31 is slidably disposed on the guide rail (not shown) of insulation crust 1, and is formed with for the mounting groove 311 that links to each other with operating grip 2; These connecting rod 32 1 ends are rotatably connected on the operating grip 2, and the other end is formed with chute 321, are plugged with steady pin 322 in this chute 321, and this steady pin 322 is fixed on this insulation crust 1; This rod spring 33 is set on the connecting rod 32 and two ends are resisted against respectively on steady pin 322 and the operating grip 2.Concrete, this operating grip 2 has main body 21 and operating side 22, this main body 21 is rotatably connected on the insulation crust 1,22 of this operating sides link to each other with main body 21, this insulation crust 1 upper end also is formed with opening 12 in addition, and 22 of this operating sides are exposed to this opening 12 and make things convenient for concrete operations personnel's operation.
In order to make operating personnel or other staff can learn the operating state of current isolating switch 100 rapidly, this sliding bar 31 also convexes with block 312, this isolating switch 100 also comprises by pivot 71 and is rotatably connected on indication piece 7 on the insulation crust 1, also is arranged with torsion spring 72 on this pivot 71; These indication piece 7 one sides are formed with the convex tendon 73 that supplies with block 312 and insulation crust 1 conflict, opposite side forms painted 74 that is provided with two kinds of different colours, this insulation crust 1 also is provided with observation window 13 at this painted 74 contiguous place, preferably, it is red and green that two kinds of colors on this painted 74 are respectively, and wherein green representative disconnects redness and then is represented as connection.
In addition,, also be provided with stage clip 41 between this moving contact 4 and this sliding bar 31, specifically see also shown in Figure 4 in order to make the wearing and tearing that can not cause contact-making surface between this moving contact 4 and the fixed contact 5 because of Mechanical Contact.
Each state and the course of work below in conjunction with each accompanying drawing to the utility model most preferred embodiment are described in detail:
Please be earlier with reference to shown in Figure 1, this moment, isolating switch 100 was in off-state, these connecting rod 32 concrete turning by link pin 323 and with operating grip 2 link to each other, because 33 pairs of connecting rods of this rod spring 32 produce top-right power among a Fig. 1, this power will make operating grip 2 produce a counterclockwise opplied moment, because this operating grip 2 is resisted against on the insulation crust 1, so make operating grip 2 keep as shown in Figure 1 state always, at this moment, because operating grip 2 links together by mounting groove 311 with sliding bar 31, so state consistency of this sliding bar 31 and operating grip 2, this moment, this indication piece 7 was owing to limited by the block on the sliding bar 31 312, so painted 74 color that appears near observation window 13 is for green, the state that is promptly keeping disconnection between this moving contact 4 and the fixed contact 5 should keep off arc plate 61 this moment under the ejection effect of elastic component 62 and between moving contact 4 and fixed contact 5;
Please refer to shown in Figure 6, open isolating switch 100 in order to allow, so need to overcome earlier the counterclockwise moment of torsion that 33 pairs of operating grips of rod spring 2 produce, thereby operating grip 2 is clockwise rotated, be connected in the mounting groove 311 of sliding bar 31 owing to operating grip 2 one ends this moment, do straight down slip so can drive sliding bar 31, and this moving contact 4 can be along with sliding bar 31 together moves downward; In addition, operating grip 2 can drivening rod 32 be done oscillating motion by link pin 323 for this, and this moment, 322 of this steady pins can slide in connecting rod 32 chutes 321; When the position that moves to as shown in Figure 6, promptly during steady pin 322, link pin 323 and operating grip 2 center sight alignments, the moment of torsion that 33 pairs of operating grips of rod spring this moment 2 produce will be zero.Be rotated further operating grip 2 this moment, this rod spring 33 will produce the moment of torsion of instantaneous time direction to operating grip 2, thereby make the velocity of rotation moment increasing of operating grip 2, thereby realization quick-make, this sliding bar 31 also can slide rapidly straight down simultaneously, and drive moving contact 4 and fixed contact 5 quick-makes, thus realized the effect of quick-make by the special inside transmission mechanism 3 of the utility model, thus machinery and electric life-span can be improved.This indication piece 7 is owing to lacked the sincere effect of supporting of block 312, this indication piece 7 can be under the effect of inner torsion spring 72, rotate counterclockwise an angle, and have that insulation crust 1 is spacing lives, this moment, painted 74 color that appears near observation window 13 was for red, this moment, this moving contact 4 was realized fully contacting with this fixed contact 5, whole isolated switch 100 will be rendered as closure state, specifically as shown in Figure 7, need to prove that this current interruption device 6 also moves down along with moving down of sliding bar 31, make this retaining arc plate 61 move downward along fixed contact 5, and compress this elastomer, specifically be rendered as state shown in Figure 8.Need to prove that serving as reasons of foregoing description is disconnected to the closed course of work, and also similar with said process by being closed into the process of opening, so no longer repeat to describe.
In sum, the utility model will keep off arc plate 61 and turn between fixed contact 5 and the moving contact 4 under the drive of sliding bar 31, thereby block electric arc fast, promptly realize to cut off switch rapidly, be cut off owing to electric arc simultaneously, so also can guarantee the not breakdown and electrical endurance of shell from principle.In addition, the utility model is owing to being provided with improved inner transmission mechanism 3, so can also realize quick-make and the effect of opening.
The foregoing description and graphic and non-limiting product form of the present utility model and style, any person of an ordinary skill in the technical field all should be considered as not breaking away from patent category of the present utility model to its suitable variation or modification of doing.
Claims (8)
1. isolating switch with the current interruption device, comprise insulation crust, operating grip, inner transmission mechanism, moving contact and fixed contact, this operating grip drives moving contact via this inside transmission mechanism and makes to present between this moving contact and the fixed contact and connects and the disconnection two states, it is characterized in that, this isolating switch also comprises the current interruption device, this current interruption device one end is rotatably connected to the lower end of inner transmission mechanism, and the other end then can be inserted between this moving contact and the fixed contact via the drive of this inside transmission mechanism.
2. a kind of isolating switch with the current interruption device as claimed in claim 1 is characterized in that, this current interruption device comprises that retaining arc plate and two ends are connected to the elastic component on retaining arc plate and the inner transmission mechanism.
3. a kind of isolating switch with the current interruption device as claimed in claim 2 is characterized in that, this retaining arc plate is resisted against on the fixed contact via the elasticity ejection of this elastic component.
4. a kind of isolating switch with the current interruption device as claimed in claim 2 is characterized in that, this transmission mechanism lower end, inside forms draw-in groove, and this retaining arc plate one end then forms for the connecting axle that engages with draw-in groove.
5. a kind of isolating switch with the current interruption device as claimed in claim 2 is characterized in that, this retaining arc plate is V-shaped.
6. a kind of isolating switch with the current interruption device as claimed in claim 1 is characterized in that this inside transmission mechanism has sliding bar, connecting rod and rod spring; This sliding bar is slidably disposed on the guide rail of insulation crust, and is formed with for the mounting groove that links to each other with operating grip; This connecting rod one end is rotatably connected on the operating grip, and the other end is formed with chute, is plugged with steady pin in this chute, and this steady pin is fixed on this insulation crust; This rod spring is set on the connecting rod and two ends are resisted against respectively on steady pin and the operating grip.
7. a kind of isolating switch with the current interruption device as claimed in claim 6 is characterized in that this sliding bar also convexes with block, and this isolating switch also comprises by pivot and is rotatably connected on indication piece on the insulation crust, also is arranged with torsion spring on this pivot; This indication piece one side is formed with the convex tendon that supplies with block and insulation crust conflict, and opposite side forms painted that is provided with two kinds of different colours, and this insulation crust also is provided with observation window at this painted contiguous place.
8. a kind of isolating switch as claimed in claim 1 with the current interruption device, it is characterized in that, this operating grip has main body that is rotatably connected on the insulation crust and the operating side that links to each other with main body, and this insulation crust upper end is formed with opening, and this operating side is exposed to this opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201938524U CN201689799U (en) | 2010-05-13 | 2010-05-13 | Isolating switch with arc interrupting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201938524U CN201689799U (en) | 2010-05-13 | 2010-05-13 | Isolating switch with arc interrupting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201689799U true CN201689799U (en) | 2010-12-29 |
Family
ID=43378077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201938524U Expired - Fee Related CN201689799U (en) | 2010-05-13 | 2010-05-13 | Isolating switch with arc interrupting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201689799U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2982995A1 (en) * | 2011-11-22 | 2013-05-24 | Schneider Electric Ind Sas | Electrical shut-off device i.e. multipolar contactor for direct current switching, has controller controlling each arc cutting screen to occupy rolling position for elongating electric arc when fixed and mobile contacts are in open position |
| CN103659750A (en) * | 2012-09-13 | 2014-03-26 | 松下电器产业株式会社 | Trigger switch and power tool |
| WO2015058501A1 (en) * | 2013-10-23 | 2015-04-30 | 通能顺达科技国际有限公司 | A synchronous insulation separation power switch device |
| CN104715947A (en) * | 2015-03-31 | 2015-06-17 | 厦门柏瑞科电气有限公司 | Arc-extinguishing structure of medium-voltage switch |
| WO2018220118A1 (en) * | 2017-06-01 | 2018-12-06 | Tyco Electronics (Shenzhen) Co. Ltd | Electrical contact system |
-
2010
- 2010-05-13 CN CN2010201938524U patent/CN201689799U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2982995A1 (en) * | 2011-11-22 | 2013-05-24 | Schneider Electric Ind Sas | Electrical shut-off device i.e. multipolar contactor for direct current switching, has controller controlling each arc cutting screen to occupy rolling position for elongating electric arc when fixed and mobile contacts are in open position |
| CN103659750A (en) * | 2012-09-13 | 2014-03-26 | 松下电器产业株式会社 | Trigger switch and power tool |
| CN103659750B (en) * | 2012-09-13 | 2017-04-12 | 松下知识产权经营株式会社 | Trigger switch and power tool |
| WO2015058501A1 (en) * | 2013-10-23 | 2015-04-30 | 通能顺达科技国际有限公司 | A synchronous insulation separation power switch device |
| CN104715947A (en) * | 2015-03-31 | 2015-06-17 | 厦门柏瑞科电气有限公司 | Arc-extinguishing structure of medium-voltage switch |
| WO2018220118A1 (en) * | 2017-06-01 | 2018-12-06 | Tyco Electronics (Shenzhen) Co. Ltd | Electrical contact system |
| KR20200008635A (en) * | 2017-06-01 | 2020-01-28 | 타이코 일렉트로닉스 (선전) 코. 엘티디. | Electrical contact system |
| US11145472B2 (en) | 2017-06-01 | 2021-10-12 | Tyco Electronics (Shenzhen) Co. Ltd | Electrical contact system |
| KR102317812B1 (en) * | 2017-06-01 | 2021-10-25 | 타이코 일렉트로닉스 (선전) 코. 엘티디. | electrical contact system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20120513 |