CN105679619A - On-off mechanism of electric appliance switch - Google Patents
On-off mechanism of electric appliance switch Download PDFInfo
- Publication number
- CN105679619A CN105679619A CN201610191988.3A CN201610191988A CN105679619A CN 105679619 A CN105679619 A CN 105679619A CN 201610191988 A CN201610191988 A CN 201610191988A CN 105679619 A CN105679619 A CN 105679619A
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- Prior art keywords
- contact
- loop
- disjunction
- slide block
- operating mechanism
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Breakers (AREA)
Abstract
The invention discloses an on-off mechanism of an electric appliance switch. The on-off mechanism is connected into the loop of the electric appliance switch. The on-off mechanism comprises a pull rod, a contact supporting component, connecting rods, contact bridges and sliding blocks; the contact bridges are supported on the sliding blocks; the connecting rods are rotationally connected onto the sliding blocks; the contact bridges are located between the connecting rods and the sliding blocks; the contact supporting component is hollow; limiting holes are formed in the contact supporting component; the contact supporting component is supported on the sliding blocks and the contact bridges; the connecting rods are accommodated in the limiting holes of the contact supporting component; the contact bridges are connected with the line incoming ends and line outgoing ends of the loop, so that the loop can be switched on; and the contact supporting component is operated, so that the contact bridges can be separated from the line incoming ends and line outgoing ends of the loop, the loop is switched off, or an repulsive force makes the contact bridges separated from the line incoming ends and line outgoing ends of the loop, and the loop is switched off, the contact supporting component holds the loop at an off position. According to the on-off mechanism of the electric appliance switch of the invention, normal on-off, non-short-circuit fault switching off and short-circuit fault switching off are executed by different components. The on-off mechanism of the electric appliance switch has the advantages of high mechanical strength, long service life and high breaking speed.
Description
Technical field
The present invention relates to Low Voltage Electrical Apparatus, more particularly, it relates to the connection disjunction mechanism of electric switch.
Background technology
Electric switch can be connected and disjunction running current, and when fault disjunction loop with the electrical equipment in protective loop. Disjunction demand for electric switch is desirable to can realize disjunction as early as possible when breaking down, at the same time it is wished that electric switch has longer service life and reliability.
Owing to the reason of fault is different so that above-mentioned demand exists certain contradiction. General failure cause includes non-shorting fault and short trouble. For non-shorting fault, owing in loop and be absent from very big short circuit current, therefore breaking speed is less demanding. Now in order to ensure the service life of electric switch, wish the mechanical strength increasing element, then can be considered as that density is higher, the good material of mechanical strength makes element, and the volume and weight of element can be relatively larger, is derived from good mechanical strength and increases the service life. But short trouble is significantly high to the requirement of breaking speed, owing to short circuit current is bigger, it is desirable to disjunction loop as early as possible. For short trouble, short circuit current the electrodynamic repulsion force produced is the major impetus source in disjunction loop, and when equal electrodynamic repulsion force, the little element responds speed of lightweight, volume faster, more can meet demand.
The connection disjunction mechanism of current electric switch adopts same set of element to realize non-shorting fault disjunction and short trouble disjunction, it is evident that both requirements are different, there is contradiction between mechanical strength, service life and breaking speed.
Summary of the invention
It is contemplated that propose the connection disjunction mechanism of a kind of electric switch, take into account mechanical strength and breaking speed.
According to one embodiment of the invention, it is proposed to the connection disjunction mechanism of a kind of electric switch, it is connected in the loop of electric switch, including: pull bar, contact supporter, connecting rod, contact bridge and slide block.Contact bridge is erected on slide block, and link rotatable is connected to slide block, and contact bridge is between connecting rod and slide block, contact supporter is hollow, and inside has spacing hole, and contact supporter is erected on slide block and contact bridge, connecting rod is contained in the spacing hole of contact supporter, and pull bar is connected to connecting rod. Contact bridge is connected with end of incoming cables and the leading-out terminal in loop, and loop is connected. Operation contact supporter so that contact bridge separates with end of incoming cables and the leading-out terminal in loop, loop disconnects, or, electrodynamic repulsion force scolds out end of incoming cables and the leading-out terminal in contact bridge and loop, and loop disconnects, and contact supporter maintains loop in open position.
In one embodiment, reaction spring is connected to slide block, by slide block, contact bridge is connected with end of incoming cables and the leading-out terminal in loop. Electromagnetic operating mechanism is connected to contact supporter, electromagnetic operating mechanism operation contact supporter, by contact supporter, contact bridge is separated with end of incoming cables and the leading-out terminal in loop, performs normal disjunction. Operating mechanism is connected to contact supporter, and operating mechanism is threaded off and operates contact supporter, makes contact bridge separate with end of incoming cables and the leading-out terminal in loop and maintain separation point position by contact supporter, performs non-shorting fault disjunction. Electrodynamic repulsion force scolds out end of incoming cables and the leading-out terminal in contact bridge and loop, and loop disconnects, and connecting rod is threaded off by pull bar band pneumatic operating mechanism, maintains loop in open position.
In one embodiment, slide block two ends longitudinally and middle part have cushion block, in the both sides of width, are positioned at the position in the middle of length direction and have support, support is formed axis hole. Contact bridge is erected on slide block, contact bridge is formed and supports by the cushion block on slide block, and the two ends of contact bridge have contact, and the middle part of contact bridge has fixture block, the position of fixture block is corresponding with the position of the support on slide block, and fixture block and support assorted make contact bridge position on slide block be relatively fixed. The bottom of connecting rod has the connection axle of horizontal expansion, connects axle and is placed in axis hole so that connecting rod is connected on slide block, and connecting rod can pass through to connect axle and axis hole and rotate relative to slide block.
In one embodiment, the top of connecting rod has connecting hole. Pull bar includes the coupler body at top and the leg of lower section, and coupler body is connected to operating mechanism, and leg extend in the connecting hole on connecting rod top, and pull bar can be followed connecting rod and be moved.
In one embodiment, contact supporter has groove on the sidewall towards pull bar side, groove makes pull bar be connected with connecting rod and follows pull bar to move, contact supporter is in the both sides of bottom, the position of the support of corresponding slide block forms perforate and block, perforate and block are connected on the connection axle of connecting rod, and with connect together with axle with support assorted.
In one embodiment, the end face of contact supporter has several work surface, coordinates with electromagnetic operating mechanism or operating mechanism respectively.
In one embodiment, electromagnetic operating mechanism has the pressing plate swung up and down, and pressing plate coordinates with the first work surface of contact supporter. Pressing plate upwards, does not contact with the first work surface, and reaction spring makes contact bridge be connected with end of incoming cables and the leading-out terminal in loop, loop normal ON. Pressing plate is downward, contacts with the first work surface, and contact supporter is downward, promotes contact bridge to separate with end of incoming cables and the leading-out terminal in loop, the normal disjunction in loop.
In one embodiment, operating mechanism has action link rod, and action link rod coordinates with the second work surface of contact supporter. Operating mechanism is failure to actuate, and action link rod and the second work surface do not contact. Under non-shorting fault, operating mechanism is threaded off, and action link rod and the second work surface contact, and contact supporter is downward, promotes contact bridge to separate with end of incoming cables and the leading-out terminal in loop, the non-shorting fault disjunction in loop.
In one embodiment, operating mechanism has lever, and lever is connected with pull bar.Under short trouble, contact bridge is scolded out with end of incoming cables and the leading-out terminal in loop, pull bar drives lever, lever makes operating mechanism thread off, the action link rod of operating mechanism and the contact of the second work surface, contact supporter is downward, maintain the end of incoming cables in contact bridge and loop and leading-out terminal in separation point position, loop short trouble disjunction.
The disjunction mechanism of connecting of the electric switch of the present invention is performed by different parts for normal ON disjunction, non-shorting fault disjunction and short trouble disjunction, take into account the mechanical strength of mechanism, service life and breaking speed, meet the requirement with reliable disjunction and long service life.
Accompanying drawing explanation
The above and other feature of the present invention, character and advantage will be become apparent by the description below in conjunction with drawings and Examples, and accompanying drawing labelling identical in the accompanying drawings represents identical feature all the time, wherein:
Fig. 1 discloses the structure chart connecting disjunction mechanism of the electric switch according to one embodiment of the invention.
Fig. 2 discloses the decomposition chart connecting disjunction structure of the electric switch according to one embodiment of the invention.
Fig. 3 a and Fig. 3 b discloses the assembly structure figure connecting connecting rod in disjunction mechanism, contact bridge and slide block of the electric switch according to one embodiment of the invention.
Fig. 4 discloses the assembly structure figure connecting disjunction mechanism and end of incoming cables, leading-out terminal and operating mechanism of the electric switch according to one embodiment of the invention.
Fig. 5 discloses the assembly structure figure connecting disjunction mechanism and end of incoming cables, leading-out terminal, operating mechanism and electromagnetic operating mechanism of the electric switch according to one embodiment of the invention.
Fig. 6 a, 6b and 6c disclose the disjunction mechanism of connecting of the electric switch according to one embodiment of the invention and coordinate the schematic diagram performing normal ON disjunction with electromagnetic operating mechanism.
Fig. 7 discloses the disjunction mechanism of connecting of the electric switch of one embodiment of the invention and coordinates the schematic diagram of the fault disjunction performed except short circuit with operating mechanism.
Fig. 8 discloses the disjunction mechanism of connecting of the electric switch of one embodiment of the invention and coordinates the schematic diagram performing short trouble disjunction with operating mechanism.
Detailed description of the invention
The present invention proposes the connection disjunction mechanism of a kind of electric switch, is connected in the loop of electric switch, including: pull bar, contact supporter, connecting rod, contact bridge and slide block. Contact bridge is erected on slide block, and link rotatable is connected to slide block, and contact bridge is between connecting rod and slide block, contact supporter is hollow, and inside has spacing hole, and contact supporter is erected on slide block and contact bridge, connecting rod is contained in the spacing hole of contact supporter, and pull bar is connected to connecting rod. Contact bridge is connected with end of incoming cables and the leading-out terminal in loop, and loop is connected. Operation contact supporter so that contact bridge separates with end of incoming cables and the leading-out terminal in loop, loop disconnects, or, electrodynamic repulsion force scolds out end of incoming cables and the leading-out terminal in contact bridge and loop, and loop disconnects, and contact supporter maintains loop in open position. In general, the present invention is directed to different disjunction situations and performed disjunction by different parts. Normal disjunction and non-shorting fault disjunction are performed by contact supporter. First short circuit breaking is performed to scold out by contact bridge, is then performed locking by contact supporter again. The balance between mechanical strength, service life and breaking speed is met by different parts.
With reference to shown in Fig. 1 and Fig. 2, Fig. 1 discloses the structure chart connecting disjunction mechanism of the electric switch according to one embodiment of the invention, and Fig. 2 is the decomposition chart connecting disjunction mechanism of this electric switch.
As it can be seen, the connection disjunction mechanism 201 of this electric switch includes: pull bar 101, contact supporter 102, connecting rod 103, contact bridge 104 and slide block 105.
With reference to shown in Fig. 3 a and Fig. 3 b, Fig. 3 a and Fig. 3 b discloses the assembly structure figure of connecting rod, contact bridge and slide block, therefrom the structure of visible connecting rod 103, contact bridge 104 and slide block 105 and assembling mode. Slide block 105 two ends longitudinally and middle part have cushion block 151. In the both sides of width, it is positioned at the position in the middle of length direction and there is support 152, support 152 is formed axis hole 153. Contact bridge 104 is overall elongated, is erected on slide block 105. Contact bridge 104 is formed and supports by the cushion block 151 on slide block 105, and the cushion block 151 being positioned at two ends and middle part supports middle part and the two ends of contact bridge 104 respectively. The two ends of contact bridge 104 have contact 141. The middle part of contact bridge 104 has fixture block 142, and the position of fixture block 142 is corresponding with the position of the support 152 on slide block 105, and fixture block 142 coordinates with support 152 so that the contact bridge 104 position on slide block 105 is relatively fixed. Connecting rod 103 is cylindrical, and the bottom of connecting rod 103 has the connection axle 131 of horizontal expansion, connects axle 131 and is placed in axis hole 153 so that connecting rod 103 is connected on slide block 105. Connecting rod 103 can pass through connection axle 131 and axis hole 153 rotates relative to slide block 105. Contact bridge 104 is between connecting rod 103 and slide block 105. Connecting rod 103 can pass through to connect axle 131 and rotate relative to slide block 105, contact bridge 104 is made to have certain activity space, the contact being so positioned at contact bridge 104 two ends all can be kept in touch with the static contact of the end of incoming cables of both sides and leading-out terminal, it is to avoid the problem that the loop that causes due to contact bridge deflection is obstructed occurs. Connecting rod 103 has connecting hole 132 at an upper portion thereof.
Contact supporter 102 is hollow structure, has the outline of approximately parallelepiped body. Contact supporter 102 has spacing hole, and connecting rod 103 is contained in spacing hole. The shape and size of spacing hole should make connecting rod 103 activity wherein unrestricted, it is possible to freely moves up and down or rotates around connection axle 131 in certain amplitude. Contact supporter 102 has groove 121 on the sidewall towards pull bar 101 side, and groove 121 makes pull bar 101 can be connected with connecting rod 103 and follow movement. Contact supporter 102 is in the both sides of bottom, and the position of the support 152 of corresponding slide block 105 forms perforate 122 and block 123. Perforate 122 and block 123 are connected on the connection axle 131 of connecting rod 103, and coordinate with support 152 together with connecting axle 131. Perforate 122 and block 123 make the installation site of contact supporter 102 substantially be fixed, and are relatively fixed with slide block 105 and contact bridge 104. The end face of contact supporter 102 is formed several work surface, coordinates with operating mechanism 202 and electromagnetic operating mechanism 203 respectively, described in detail below.
Pull bar 101 includes the coupler body 111 at top and the leg 112 of lower section. The coupler body 111 at top coordinates with operating mechanism, described in detail below. The leg 112 of lower section extend in the connecting hole 132 on connecting rod 103 top. Connection by leg 112 with connecting hole 132 so that pull bar 111 can be followed connecting rod 103 and be moved up and down.
In embodiment shown in Fig. 1 and Fig. 2, it is illustrate for the connection disjunction mechanism suitable in the electric switch of three-phase. Therefore the quantity of contact supporter 102, connecting rod 103, contact bridge 104 and slide block 105 is three, and each contact supporter 102, connecting rod 103, contact bridge 104 and slide block 105 serve a phase.The leg 112 of pull bar 101 is three, and each leg 112 is connected with a connecting rod 103. Owing to three-phase is synchronous working, therefore coupler body 111 is only with one, and three legs 112 are connected to same coupler body 111 by lateral connection bar.
The connection disjunction mechanism 201 of the present invention coordinates with operating mechanism 202, electromagnetic operating mechanism 203, reaction spring 204, is linked in loop by end of incoming cables 205 and leading-out terminal 206, it is achieved the connection in the loop of device for switching or disjunction. Fig. 4 and Fig. 5 discloses the assembly structure figure connecting disjunction mechanism 201. Wherein Fig. 4 discloses the assembly structure figure connecting disjunction mechanism with end of incoming cables, leading-out terminal and operating mechanism. Fig. 5 discloses the assembly structure figure connecting disjunction mechanism with end of incoming cables, leading-out terminal, operating mechanism and electromagnetic operating mechanism.
As it can be seen, be respectively provided with static contact on end of incoming cables 205 and leading-out terminal 206, static contact lays respectively at above the contact at the two ends of contact bridge 104. Reaction spring 204 is arranged on the lower section of slide block 105, reaction spring 204 provides power upwards to slide block 105, the contact making contact bridge 104 two ends contacts with the static contact on end of incoming cables 205 and leading-out terminal 206 respectively, and end of incoming cables 205 is connected by contact bridge 104 with leading-out terminal 206. Operating mechanism 202 is generally arranged on, with electromagnetic operating mechanism 203, the top connecting disjunction mechanism 201, operating mechanism 202 and electromagnetic operating mechanism 203 act on contact supporter 102, contact supporter 102 is pressed downward against, contact bridge 104 and slide block 105 is driven to overcome the spring force of reaction spring 204 to move down, the contact making contact bridge 104 two ends separates with static contact, and end of incoming cables 205 and leading-out terminal 206 disconnect.
Fig. 6 a, 6b and 6c disclose the disjunction mechanism of connecting of the electric switch according to one embodiment of the invention and coordinate the schematic diagram performing normal ON disjunction with electromagnetic operating mechanism. Electromagnetic operating mechanism 203 is used for realizing normal ON disjunction. Electromagnetic operating mechanism 203 has the pressing plate 231 that can swing up and down. First work surface 124 at alignment contact supporter 102 top, front end of pressing plate 231. In on-state, pressing plate 231 is rocked to top, and the front end of pressing plate 231 does not contact with the first work surface 124. Contact supporter 102 does not move down. The effect of reaction spring 204 makes the contact of contact bridge 104 contact with the static contact of end of incoming cables 205 and leading-out terminal 206, and end of incoming cables 205 and leading-out terminal 206 keep electrical connection. Pressing plate 231 is rocked to lower section, the front end of pressing plate 231 contacts with the first work surface 124, pressing plate 231 acts on the first work surface 124 and is pressed downward against by contact supporter 102, contact supporter 102 moves down, contact bridge 104 and slide block 105 is driven to overcome the spring force of reaction spring 204 to move down, contact on contact bridge 104 separates with the static contact of end of incoming cables 205 and leading-out terminal 206, and the electrical connection of end of incoming cables 205 and leading-out terminal 206 disconnects.
Fig. 7 discloses the disjunction mechanism of connecting of the electric switch of one embodiment of the invention and coordinates the schematic diagram of the fault disjunction performed except short circuit with operating mechanism. Operating mechanism 202 is for realizing the fault disjunction except short circuit. Having action link rod 222 on operating mechanism 202, action link rod 222 is directed at second work surface 125 at contact supporter 202 top. When not having fault to occur, operating mechanism 202 is failure to actuate, and action link rod 222 is left in place. When there is the fault except short circuit, operating mechanism 202 is threaded off, action link rod 222 moves down, the second work surface 125 downwardly against contact supporter 102, contact supporter 102 moves down, driving contact bridge 104 and slide block 105 to overcome the spring force of reaction spring 204 to move down, the contact on contact bridge 104 separates with the static contact of end of incoming cables 205 and leading-out terminal 206, and the electrical connection of end of incoming cables 205 and leading-out terminal 206 disconnects.
Normal ON disjunction, occur fault except short circuit to carry out disjunction time, less demanding for breaking speed. Therefore in the connection disjunction mechanism of the present invention, above two disjunction is realized by contact supporter 102, contact supporter 102 can select density material high, good mechanical property to make, and possess certain volume and thickness comes proof strength and stress-bearing capability, to improve the overall mechanical life connecting disjunction mechanism. Owing to above two disjunction is less demanding for breaking speed, therefore volume is relatively big, and the contact supporter of heavier-weight can't affect piece electrical performance.
Fig. 8 discloses the disjunction mechanism of connecting of the electric switch of one embodiment of the invention and coordinates the schematic diagram performing short trouble disjunction with operating mechanism. When there is short trouble, the contact on contact bridge and static contact are directly scolded out by the electrodynamic repulsion force produced due to short circuit current. When not having miscellaneous part action, electrodynamic repulsion force is more than the spring force of reaction spring 204, and contact bridge 104 and slide block 105 can be pressed downward against by electrodynamic repulsion force so that the electrical connection of end of incoming cables 205 and leading-out terminal 206 disconnects. After contact bridge 104 moves down, drivening rod 103 moves downwardly together, and the leg 112 of pull bar 101 is connected to connecting rod 103, and therefore pull bar 101 moves downwardly together along with connecting rod 103. After pull bar 101 is downward, coupler body 111 can contact with the lever 221 of operating mechanism 202, pulls down lever 221 so that operating mechanism 202 is threaded off. After operating mechanism 202 is threaded off, action link rod 222 moves down, it is pressed on the second work surface 125 of contact supporter 102, under the effect of action link rod 222, contact supporter 102 also moves down, push down contact bridge 104 and slide block 105, prevent contact bridge 104 from rebounding so that the electrical connection of end of incoming cables 205 and leading-out terminal 206 is stably disconnected, disjunction loop.
When occurring that short trouble needs to carry out disjunction, breaking speed is required, it is desirable to disjunction as early as possible. The connection disjunction mechanism of the present invention is when performing short trouble disjunction, only have contact bridge 104, slide block 105, connecting rod 103 and these component actuation of pull bar 101, these piece volumes are little lightweight, can rapid action under electrodynamic repulsion force effect, quickly realize disjunction. After circuit disjunction, electrodynamic repulsion force disappears, and in order to prevent reaction spring 204 from making slide block 105 and contact bridge 104 rebound and reclose loop, devises pull bar 101. Pull bar 101 can pass through lever 221 and operating mechanism 202 is threaded off, and then by action link rod 202, contact supporter is pressed for 102 times, pushes down contact bridge 104 and slide block 105 prevents resilience, it is ensured that the reliable disjunction in loop.
With continued reference to Fig. 8, in order to prevent pull bar 101 involuntary maneuver when normal ON disjunction, between pull bar 101 and lever 221, leave enough distances. When the pressing plate 231 of electromagnetic operating mechanism 203 swings up and down, pull bar is less with the displacement of connecting rod, causes operating mechanism to thread off thus without touching lever 221. When there is short trouble, contact bridge 104 can be scolded and held bigger distance by electrodynamic repulsion force, and therefore pull bar 101 is followed connecting rod 103 and moved bigger distance, touches lever 221 so that operating mechanism 202 is threaded off.
The disjunction mechanism of connecting of the electric switch of the present invention is performed by different parts for normal ON disjunction, non-shorting fault disjunction and short trouble disjunction, take into account the mechanical strength of mechanism, service life and breaking speed, meet the requirement with reliable disjunction and long service life.
Above-described embodiment is available to be familiar with person in the art and realizes or use the present invention's; those skilled in the art can be without departing from the present invention in the case of the inventive idea; above-described embodiment is made various modifications or change; thus protection scope of the present invention is not limit by above-described embodiment, and the maximum magnitude of the inventive features that claims are mentioned should be consistent with.
Claims (9)
1. a connection disjunction mechanism for electric switch, is connected in the loop of electric switch, it is characterised in that including: pull bar, contact supporter, connecting rod, contact bridge and slide block;
Contact bridge is erected on slide block, and link rotatable is connected to slide block, and contact bridge is between connecting rod and slide block, and contact supporter is hollow, and contact supporter is erected on slide block and contact bridge, and connecting rod is contained in contact supporter, and pull bar is connected to connecting rod;
Contact bridge is connected with end of incoming cables and the leading-out terminal in loop, and loop is connected;
Operation contact supporter so that contact bridge separates with end of incoming cables and the leading-out terminal in loop, loop disconnects, or, electrodynamic repulsion force scolds out end of incoming cables and the leading-out terminal in contact bridge and loop, and loop disconnects, and contact supporter maintains loop in open position.
2. connect disjunction mechanism as claimed in claim 1, it is characterised in that
Reaction spring is connected to slide block, by slide block, contact bridge is connected with end of incoming cables and the leading-out terminal in loop;
Electromagnetic operating mechanism is connected to contact supporter, electromagnetic operating mechanism operation contact supporter, by contact supporter, contact bridge is separated with end of incoming cables and the leading-out terminal in loop, performs normal disjunction;
Operating mechanism is connected to contact supporter, and operating mechanism is threaded off and operates contact supporter, makes contact bridge separate with end of incoming cables and the leading-out terminal in loop and maintain separation point position by contact supporter, performs non-shorting fault disjunction;
Electrodynamic repulsion force scolds out end of incoming cables and the leading-out terminal in contact bridge and loop, and loop disconnects, and connecting rod is threaded off by pull bar band pneumatic operating mechanism, maintains loop in open position.
3. the connection disjunction mechanism of electric switch as claimed in claim 2, it is characterised in that
Slide block two ends longitudinally and middle part have cushion block, in the both sides of width, are positioned at the position in the middle of length direction and have support, support is formed axis hole;
Contact bridge is erected on slide block, contact bridge is formed and supports by the cushion block on slide block, and the two ends of contact bridge have contact, and the middle part of contact bridge has fixture block, the position of fixture block is corresponding with the position of the support on slide block, and fixture block and support assorted make contact bridge position on slide block be relatively fixed;
The bottom of connecting rod has the connection axle of horizontal expansion, connects axle and is placed in axis hole so that connecting rod is connected on slide block, and connecting rod can pass through to connect axle and axis hole and rotate relative to slide block.
4. the connection disjunction mechanism of electric switch as claimed in claim 3, it is characterised in that
The top of connecting rod has connecting hole;
Pull bar includes the coupler body at top and the leg of lower section, and coupler body is connected to operating mechanism, and leg extend in the connecting hole on connecting rod top, and pull bar can be followed connecting rod and be moved.
5. the connection disjunction mechanism of electric switch as claimed in claim 4, it is characterised in that
Contact supporter has spacing hole, connecting rod is contained in spacing hole, contact supporter has groove on the sidewall towards pull bar side, groove makes pull bar be connected with connecting rod and follows pull bar to move, contact supporter is in the both sides of bottom, the position of the support of corresponding slide block forms perforate and block, perforate and block are connected on the connection axle of connecting rod, and together with connecting axle with support assorted.
6. the connection disjunction mechanism of electric switch as claimed in claim 2, it is characterised in that there is on the end face of described contact supporter several work surface, coordinate with electromagnetic operating mechanism or operating mechanism respectively.
7. the connection disjunction mechanism of electric switch as claimed in claim 6, it is characterised in that electromagnetic operating mechanism has the pressing plate swung up and down, and pressing plate coordinates with the first work surface of contact supporter;
Pressing plate upwards, does not contact with the first work surface, and reaction spring makes contact bridge be connected with end of incoming cables and the leading-out terminal in loop, loop normal ON;
Pressing plate is downward, contacts with the first work surface, and contact supporter is downward, promotes contact bridge to separate with end of incoming cables and the leading-out terminal in loop, the normal disjunction in loop.
8. the connection disjunction mechanism of electric switch as claimed in claim 6, it is characterised in that operating mechanism has action link rod, and action link rod coordinates with the second work surface of contact supporter;
Operating mechanism is failure to actuate, and action link rod and the second work surface do not contact;
Under non-shorting fault, operating mechanism is threaded off, and action link rod and the second work surface contact, and contact supporter is downward, promotes contact bridge to separate with end of incoming cables and the leading-out terminal in loop, the non-shorting fault disjunction in loop.
9. the connection disjunction mechanism of electric switch as claimed in claim 8, it is characterised in that operating mechanism has lever, and lever is connected with pull bar;
Under short trouble, contact bridge is scolded out with end of incoming cables and the leading-out terminal in loop, pull bar drives lever, lever makes operating mechanism thread off, the action link rod of operating mechanism and the contact of the second work surface, contact supporter is downward, maintain the end of incoming cables in contact bridge and loop and leading-out terminal in separation point position, loop short trouble disjunction.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610191988.3A CN105679619B (en) | 2016-03-30 | 2016-03-30 | The connection disjunction mechanism of electric switch |
| PCT/CN2017/077637 WO2017167086A1 (en) | 2016-03-30 | 2017-03-22 | Make/break mechanism for electrical switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610191988.3A CN105679619B (en) | 2016-03-30 | 2016-03-30 | The connection disjunction mechanism of electric switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105679619A true CN105679619A (en) | 2016-06-15 |
| CN105679619B CN105679619B (en) | 2017-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610191988.3A Active CN105679619B (en) | 2016-03-30 | 2016-03-30 | The connection disjunction mechanism of electric switch |
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| CN (1) | CN105679619B (en) |
| WO (1) | WO2017167086A1 (en) |
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| WO2017167086A1 (en) * | 2016-03-30 | 2017-10-05 | 上海电科电器科技有限公司 | Make/break mechanism for electrical switch |
| CN109192619A (en) * | 2018-10-20 | 2019-01-11 | 天水二三电器有限公司 | Contactor auxiliary contact |
| CN109950064A (en) * | 2019-03-11 | 2019-06-28 | 西安开天铁路电气股份有限公司 | A kind of contact with grinding function |
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| CN109509687B (en) * | 2018-11-06 | 2024-01-19 | 安士缔(中国)电气设备有限公司 | Be applied to short circuit device of circuit breaker |
| CN109585233B (en) * | 2018-12-28 | 2024-05-14 | 浙江正泰电器股份有限公司 | Small-sized circuit breaker |
| CN110010424B (en) * | 2019-05-16 | 2024-02-06 | 福州大学 | Quick breaking mechanism based on vortex repulsion principle |
| CN111063583A (en) * | 2019-12-31 | 2020-04-24 | 宁波市全盛壳体有限公司 | Phase-change switch |
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| CN105679619B (en) * | 2016-03-30 | 2017-11-10 | 上海电科电器科技有限公司 | The connection disjunction mechanism of electric switch |
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| CN204118017U (en) * | 2014-10-21 | 2015-01-21 | 浙江欧亿科技有限公司 | With the double break control and protective switching device of spring protection element |
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| WO2017167086A1 (en) * | 2016-03-30 | 2017-10-05 | 上海电科电器科技有限公司 | Make/break mechanism for electrical switch |
| CN109192619A (en) * | 2018-10-20 | 2019-01-11 | 天水二三电器有限公司 | Contactor auxiliary contact |
| CN109950064A (en) * | 2019-03-11 | 2019-06-28 | 西安开天铁路电气股份有限公司 | A kind of contact with grinding function |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017167086A1 (en) | 2017-10-05 |
| CN105679619B (en) | 2017-11-10 |
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