CN2891241Y - Three-position type manual actuating mechanism for automatic switch unit - Google Patents
Three-position type manual actuating mechanism for automatic switch unit Download PDFInfo
- Publication number
- CN2891241Y CN2891241Y CN 200520117440 CN200520117440U CN2891241Y CN 2891241 Y CN2891241 Y CN 2891241Y CN 200520117440 CN200520117440 CN 200520117440 CN 200520117440 U CN200520117440 U CN 200520117440U CN 2891241 Y CN2891241 Y CN 2891241Y
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- cam
- push rod
- cantilever
- elongated slot
- rotating shaft
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Abstract
A three-position hand-operated device which can automatically switch electric is connected with left and right switch rotary axles connected with a dual-contactor system. The inventive hand-operated device comprises a mounting plate, a cam, and a handle, wherein the handle is connected with the cam rotationally connected with the mounting plate, the cam is connected with a left connecting rod transmitter and a right connecting rod transmitter, the left connecting rod transmitter is connected with a left switch rotary axle, while the right connecting rod transmitter is connected with a right switch rotary axle. The invention uses the handle to rotate the cam to respectively turn on the power source I and power source II, or cut off the power sources I and II together, while it can avoid turn on the power sources I and II at one time. The utility model has simple structure, high switching speed, and high function indexes.
Description
(1) technical field
The utility model relates to a kind of automatic transfer switching electric appliance three-position type manual-operating mechanism.
(2) background technology
In the prior art, automatic transfer switching electric appliance is divided into by structure: by two composite type automatic transfer switching electric appliances that circuit breaker is assembled, its volume is big, and conversion speed is slow, and performance index are low; Another kind of is the integral type automatic transfer switching electric appliance that designs for the power supply switching specially, is characterized in that volume is little, and conversion speed is fast, reliable in action, and performance index are high.Integral structure has only the following product of 400A on present market.
Two contact systems of automatic transfer switching electric appliance comprise the moving contact that contacts or break away from power supply, and moving contact is connected with the switch rotating shaft by articulated linkage, and the other end of moving contact connects load; Manual-operating mechanism and motor-operating mechanism are realized switch rotating shaft action respectively, can realize the switching and the disconnection of load and electric power loop.
Existing split type big capacity automatic transfer switching electric appliance volume is big, conversion speed is slow, performance index are low.
(3) utility model content
In order to overcome the deficiency that the manual-operating mechanism volume is big, conversion speed is slow, performance index are low of existing automatic change-over, the utility model provides a kind of three-position type manual-operating mechanism of simple in structure, conversion speed is fast, performance index are high automatic transfer switching electric appliance.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of automatic transfer switching electric appliance three-position type manual-operating mechanism, this manual-operating mechanism connects left and right switch rotating shaft, described left and right switch rotating shaft connects two contact systems, described manual-operating mechanism comprises mounting panel, cam, handle, described handle is connected with cam, described cam is connected rotationally with mounting panel, described cam connects left jointed gear unit, right connecting rod transmission mechanism, described left jointed gear unit connects the left-handed opening rotating shaft, and described right connecting rod transmission mechanism connects right switch rotating shaft.
Further, described left jointed gear unit comprises left lever, left push rod, left cantilever, and the right-hand member of described left lever connects cam, and left end is provided with elongated slot; The elongated slot of described left lever is socketed on the pin of left cantilever end, the middle part of left side push rod also is socketed on the pin of described left cantilever end, the right-hand member of described left push rod is provided with the roller that mates with the left side edge of cam, the left end of described left push rod is provided with elongated slot, described elongated slot is socketed in the left guide finger, described left guide finger is fixedlyed connected with mounting panel, and the other end of described left cantilever is fixedlyed connected with the left-handed opening rotating shaft; Described right connecting rod transmission mechanism comprises right pull bar, right push rod, right cantilever, the left end of described right pull bar connects cam, right-hand member is provided with elongated slot, the elongated slot of described right pull bar is socketed on the pin of right cantilever end, the middle part of right push rod also is socketed on the pin of described right cantilever end, the left end of described right push rod is provided with the roller that mates with the left side edge of cam, the right-hand member of described right push rod is provided with elongated slot, described elongated slot is socketed in the right guide finger, described right guide finger is fixedlyed connected with mounting panel, and the other end of described right cantilever is fixedlyed connected with right switch rotating shaft.
Further again, the left end of described left lever, the right-hand member of right pull bar are provided with straight trough, and the left end of described left push rod, the right-hand member of right push rod are provided with kidney slot.
Further, described cam is installed on the mounting panel by axle, and described handle also is socketed on the axle.
Described left lever, right pull bar are connected with cam by pin.
Operation principle of the present utility model is: this manual-operating mechanism comprises rotating handle and the cam that is arranged on the mounting panel, cantilever in the rotating shaft that is rotatably connected with pull bar, be installed in the rotating push rod device on the cantilever, cantilever connects the switch rotating shaft, and described switch rotating shaft connects moving two contact system.Drive cam rotation by handle, the conversion that can realize that power supply I and power supply II connect respectively, power supply I and power supply II disconnects three kinds of states simultaneously; And can prevent that power supply I and power supply II from connecting simultaneously; This mechanism has automatic transfer switching electric appliance operating state indicative function, and each operating state is represented by the position of handle.
The beneficial effects of the utility model mainly show: 1, simple in structure; 2, conversion speed is fast; 3, dislocation is accurate; 4, can prevent effectively that two power supplys from connecting simultaneously.
(4) description of drawings
Fig. 1 is the structure chart of the automatic transfer switching electric appliance of power supply I and power supply II while off-state.
Fig. 2 is that power supply I connects, the structure chart of the automatic transfer switching electric appliance of power supply II off-state.
Fig. 3 is that power supply I disconnects, the structure chart of the automatic transfer switching electric appliance of power supply II on-state.
(5) embodiment
Below in conjunction with accompanying drawing the utility model is further described.
With reference to Fig. 1, Fig. 2, Fig. 3, a kind of automatic transfer switching electric appliance three-position type manual-operating mechanism, this manual-operating mechanism connects a left side, right switch rotating shaft 21,22, a described left side, right switch rotating shaft 21,22 connect two contact systems, described manual-operating mechanism comprises mounting panel 1, cam 10, handle 9, described handle 9 is connected with cam 10, described cam 10 is connected rotationally with mounting panel 1, described cam 10 connects left jointed gear unit, the right connecting rod transmission mechanism, described left jointed gear unit connects left-handed opening rotating shaft 21, and described right connecting rod transmission mechanism connects right switch rotating shaft 22.
Described pair of contact system is positioned at the inside of mounting panel, described manual-operating mechanism is positioned at the mounting panel outside, described left-handed opening rotating shaft 21 connects left contact by articulated linkage, and described left contact connects load, and left contact is subjected to left-handed opening rotating shaft 21 controls to separate or to be connected with power supply I simultaneously; Described right switch rotating shaft 22 connects right contact by articulated linkage, and described right contact connects load, and right contact is subjected to right switch rotating shaft 22 controls to separate or to be connected with power supply II simultaneously; Described left and right switch rotating shaft 21,22 reaches the outside from mounting panel 1 inside.
Described left jointed gear unit comprises left lever 6, left push rod 2, left cantilever 5, and the right-hand member of described left lever 6 connects cam 10, and left end is provided with elongated slot 19; The elongated slot 19 of described left lever is socketed on the pin 4 of left cantilever end, the middle part of left side push rod 2 also is socketed on the pin 4 of described left cantilever 5 ends, the right-hand member of described left push rod 2 is provided with the roller 7 that mates with the left side edge of cam 10, the left end of described left push rod is provided with elongated slot 20, described elongated slot 20 is socketed in the left guide finger 3, described left guide finger 3 is fixedlyed connected with mounting panel 1, and the other end of described left cantilever 5 is fixedlyed connected with left-handed opening rotating shaft 21; Described right connecting rod transmission mechanism comprises right pull bar 12, right push rod 15, right cantilever 14, the left end of described right pull bar 12 connects cam 10, right-hand member is provided with elongated slot 19, the elongated slot 19 of described right pull bar is socketed on the pin 17 of right cantilever 14 ends, the middle part of right push rod 15 also is socketed on the pin 17 of described right cantilever end, the left end of described right push rod 15 is provided with the roller 13 that mates with the left side edge of cam 10, the right-hand member of described right push rod 15 is provided with elongated slot 20, described elongated slot 20 is socketed in the right guide finger 16, described right guide finger 16 is fixedlyed connected with mounting panel 1, and the other end of described right cantilever 14 is fixedlyed connected with right switch rotating shaft 22.
The right-hand member of the left end of described left lever 6, right pull bar 12 is provided with straight trough 19, and the right-hand member of the left end of described left push rod 2, right push rod 15 is provided with kidney slot 20.Described cam 10 is installed on the mounting panel 1 by axle 18, and described taper knob is connected on the axle 18.Described left lever 6 is connected with cam 10 rotationally by pin 8, and described right pull bar 12 is connected with cam 10 rotationally by pin 11.
The course of work of present embodiment: referring to accompanying drawing 1, apply active force on handle 9, rotate counterclockwise cam 10, left lever 6 is subjected to cam 10 active forces to draw left cantilever 5 drive left-handed opening rotating shafts 21 and rotates counterclockwise the operational motion that realization power supply I connects at this moment.In this process, left cantilever 5 drives left push rod 2 and does under the constraint of left guide finger 3 to the motion of cam 10 directions, for power supply I disconnection is next time prepared; In this process, right pull bar 12 is dodged action by elongated slot 19, in order to avoid interfere cam 10 to rotate, thereby keeps right switch rotating shaft 22 motionless; Parts relative position after accompanying drawing 2 moves for this reason.
Under state shown in the accompanying drawing 2, on handle 9, apply active force, clockwise rotate cam 10, the profile of cam 10 produces roller 7 and conflicts, left side push rod 2 is subjected to active force to drive left cantilever 5 rotations, drive left-handed opening rotating shaft 21 and clockwise rotate, thereby realize that power supply I disconnects, and gets back to the operating state that power supply I shown in the accompanying drawing 1 and power supply II disconnect simultaneously.In this process, cam 10 drives left levers 6,12 motions of right pull bar, dodges action by the elongated slot 19 of left lever 6, right pull bar 12, so right cantilever 14 can not rotate, and is that the connection of power supply I or power supply II is next time prepared.
Disconnect simultaneously under the operating state at power supply I shown in the accompanying drawing 1 and power supply II, apply active force on the handle 9, clockwise rotate cam 10, right pull bar 12 is subjected to active force to draw right switch rotating shaft 22 hour hands of right cantilever 14 drives and rotates the operational motion that realization power supply II connects at this moment.In this process, the right push rod 15 of right cantilever 14 drives is done the motion to cam 10 directions under the constraint of right guide finger 16, for power supply II disconnection is next time prepared; In this process, left lever 6 is dodged action by elongated slot 19, in order to avoid interfere cam 10 to rotate, thus keep left-handed opening rotating shaft 21 motionless; Parts relative position after accompanying drawing 3 moves for this reason.
Under state shown in the accompanying drawing 3, on handle 9, apply active force, rotate counterclockwise cam 10, the profile of cam 10 produces roller 13 and conflicts, right push rod 15 is subjected to active force to drive right cantilever 14 rotations, drive right switch rotating shaft 22 and rotate counterclockwise, thereby realize that power supply II disconnects, and gets back to the operating state that power supply I shown in the accompanying drawing 1 and power supply II disconnect simultaneously.In this process, cam 10 drives left levers 6,12 motions of right pull bar, dodges action by the elongated slot 19 of left lever 6, right pull bar 12, so left cantilever 5 can not rotate, and is that the ON Action of power supply I or power supply II is next time prepared.
This mechanism is that linkage and cam mechanism organically combine the combined mechanism that forms.In the transfer process of above-mentioned three kinds of states, the feed motion of switch is realized that by linkage the separating brake action of switch is realized by cam mechanism; This operating mechanism has three stop positions, thereby has accurately indicated the operating state of automatic transfer switching electric appliance; Under three states, because the combination of linkage and cam mechanism, left side push rod 2 can only move separately in order with right push rod 15, otherwise left push rod 2 can form with cam 10 with right push rod 15 and interfere, thereby has avoided the appearance of the phenomenon of the failure that power supply I and power supply II connect simultaneously effectively.
Claims (5)
1, a kind of automatic transfer switching electric appliance three-position type manual-operating mechanism, this manual-operating mechanism connects left and right switch rotating shaft, described left and right switch rotating shaft connects two contact systems, it is characterized in that: described manual-operating mechanism comprises mounting panel, cam, handle, described handle is connected with cam, described cam is connected rotationally with mounting panel, described cam connects left jointed gear unit, right connecting rod transmission mechanism, described left jointed gear unit connects the left-handed opening rotating shaft, and described right connecting rod transmission mechanism connects right switch rotating shaft.
2, automatic transfer switching electric appliance three-position type manual-operating mechanism as claimed in claim 1, it is characterized in that: described left jointed gear unit comprises left lever, left push rod, left cantilever, and the right-hand member of described left lever connects cam, and left end is provided with elongated slot; The elongated slot of described left lever is socketed on the pin of left cantilever end, the middle part of left side push rod also is socketed on the pin of described left cantilever end, the right-hand member of described left push rod is provided with the roller that mates with the left side edge of cam, the left end of described left push rod is provided with elongated slot, described elongated slot is socketed in the left guide finger, described left guide finger is fixedlyed connected with mounting panel, and the other end of described left cantilever is fixedlyed connected with the left-handed opening rotating shaft; Described right connecting rod transmission mechanism comprises right pull bar, right push rod, right cantilever, the left end of described right pull bar connects cam, right-hand member is provided with elongated slot, the elongated slot of described right pull bar is socketed on the pin of right cantilever end, the middle part of right push rod also is socketed on the pin of described right cantilever end, the left end of described right push rod is provided with the roller that mates with the left side edge of cam, the right-hand member of described right push rod is provided with elongated slot, described elongated slot is socketed in the right guide finger, described right guide finger is fixedlyed connected with mounting panel, and the other end of described right cantilever is fixedlyed connected with right switch rotating shaft.
3, automatic transfer switching electric appliance three-position type manual-operating mechanism as claimed in claim 2, it is characterized in that: the left end of described left lever, the right-hand member of right pull bar are provided with straight trough, and the left end of described left push rod, the right-hand member of right push rod are provided with kidney slot.
4, automatic transfer switching electric appliance three-position type manual-operating mechanism as claimed in claim 2, it is characterized in that: described cam is installed on the mounting panel by axle, and described handle also is socketed on the axle.
5, as the described automatic transfer switching electric appliance three-position type of one of claim 2-4 manual-operating mechanism, it is characterized in that: described left lever, right pull bar are connected with cam by pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520117440 CN2891241Y (en) | 2005-12-21 | 2005-12-21 | Three-position type manual actuating mechanism for automatic switch unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520117440 CN2891241Y (en) | 2005-12-21 | 2005-12-21 | Three-position type manual actuating mechanism for automatic switch unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2891241Y true CN2891241Y (en) | 2007-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520117440 Expired - Lifetime CN2891241Y (en) | 2005-12-21 | 2005-12-21 | Three-position type manual actuating mechanism for automatic switch unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2891241Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102646524A (en) * | 2012-05-17 | 2012-08-22 | 上海电器科学研究院 | Dual-position converting switch |
| CN103065821A (en) * | 2012-12-28 | 2013-04-24 | 常熟开关制造有限公司(原常熟开关厂） | Contact terminal mechanism of automatic change-over switch |
| CN106057548A (en) * | 2016-07-30 | 2016-10-26 | 张学衡 | Low-voltage knife switch |
| CN106206137A (en) * | 2016-07-30 | 2016-12-07 | 张学衡 | A kind of low pressure blade switch |
| CN109036987A (en) * | 2018-10-01 | 2018-12-18 | 无锡新宏泰电器科技股份有限公司 | The divide-shut brake auxiliary body of dual-interruption point breaker N pole unit and dual-interruption point breaker |
| WO2022007386A1 (en) * | 2020-07-07 | 2022-01-13 | 陕西铭拓机电技术有限公司 | Two-power-supply conversion mechanism, and conversion switch |
-
2005
- 2005-12-21 CN CN 200520117440 patent/CN2891241Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102646524A (en) * | 2012-05-17 | 2012-08-22 | 上海电器科学研究院 | Dual-position converting switch |
| CN103065821A (en) * | 2012-12-28 | 2013-04-24 | 常熟开关制造有限公司(原常熟开关厂） | Contact terminal mechanism of automatic change-over switch |
| CN106057548A (en) * | 2016-07-30 | 2016-10-26 | 张学衡 | Low-voltage knife switch |
| CN106206137A (en) * | 2016-07-30 | 2016-12-07 | 张学衡 | A kind of low pressure blade switch |
| CN106057548B (en) * | 2016-07-30 | 2018-01-30 | 江苏安德隆电气有限公司 | A kind of low-valtage knife switch |
| CN109036987A (en) * | 2018-10-01 | 2018-12-18 | 无锡新宏泰电器科技股份有限公司 | The divide-shut brake auxiliary body of dual-interruption point breaker N pole unit and dual-interruption point breaker |
| CN109036987B (en) * | 2018-10-01 | 2024-01-30 | 无锡新宏泰电器科技股份有限公司 | Switching-on/off auxiliary mechanism of N pole unit of double-breakpoint circuit breaker and double-breakpoint circuit breaker |
| WO2022007386A1 (en) * | 2020-07-07 | 2022-01-13 | 陕西铭拓机电技术有限公司 | Two-power-supply conversion mechanism, and conversion switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20090930 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |