CN103441043B - Locking device applied to electric operating mechanism of molded case circuit breaker - Google Patents
Locking device applied to electric operating mechanism of molded case circuit breaker Download PDFInfo
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- CN103441043B CN103441043B CN201310377641.4A CN201310377641A CN103441043B CN 103441043 B CN103441043 B CN 103441043B CN 201310377641 A CN201310377641 A CN 201310377641A CN 103441043 B CN103441043 B CN 103441043B
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- fork
- breaker
- gag lever
- lever post
- mounting panel
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Abstract
The invention relates to a locking device, in particular to a locking device applied to an electric operating mechanism of a molded case circuit breaker, and belongs to the technical field of molded case circuit breakers. According to the technical scheme, the locking device applied to the electric operating mechanism of the molded case circuit breaker comprises a limiting rod installed above a molded case circuit breaker body, wherein a limiting spring is arranged in the lower portion of the limiting rod in a sleeved mode, and a locking operation indicating mechanism is arranged above the limiting rod, enables the limiting rod to be capable of doing reciprocating motion above the molded case circuit breaker body through the limiting spring, and can indicate the locking state; when the limiting rod moves in a reciprocating mode through the limiting spring, the limiting rod can be matched with a circuit breaker body traction rod on the molded case circuit breaker body to lock the operating state of the circuit breaker body traction rod. The locking device is compact in structure, low in cost and convenient to use, and guarantees operating stability and reliability of the electric operating mechanism of the molded case circuit breaker.
Description
Technical field
The present invention relates to a kind of locking device, especially a kind of locking device being applicable to electric operation mechanism for breaker with plastics casing, belongs to the technical field of breaker of plastic casing.
Background technology
Along with the development of electric utility, moulded case circuit breaker operation mechanism becomes the main flow of current development gradually, designs to miniaturized, intelligent direction development.At present, as its performance of naval vessel motor-operating mechanism except the basic function meeting motor-operating mechanism, also should tolerate the mechanical environment residing for naval vessel and weather environmental requirement, as impact resisting vibrating requirement.The traditional method realizing impact resisting vibrating is the confining force strengthening release spring or mechanism, and this method of curing the symptoms, not the disease often need the volume increasing operating mechanism, and reliability is poor simultaneously.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of locking device being applicable to electric operation mechanism for breaker with plastics casing, its compact conformation, cost is low, easy to use, guarantees stability and the reliability of electric operating mechanism of circuit-breaker work.
According to technical scheme provided by the invention, the described locking device being applicable to electric operation mechanism for breaker with plastics casing, comprise the gag lever post be installed on above breaker of plastic casing body, the bottom cover limited location spring of described gag lever post, lock operation indicating mechanism is provided with above gag lever post, described lock operation indicating mechanism can allow gag lever post can be moved back and forth above breaker of plastic casing body by limit spring, and lock operation indicating mechanism can indicate lock-out state; When gag lever post is by limit spring reciprocating motion, can coordinate with the breaker body draw bar on breaker of plastic casing body, to lock the mode of operation of breaker body draw bar.
Described breaker of plastic casing body is provided with breaker of plastic casing body case, described breaker of plastic casing body case is provided with electricity behaviour installing rack, limit spring is between electricity behaviour's installing rack and breaker of plastic casing body case, gag lever post has the first spacing rod end and the second spacing rod end corresponding with described first spacing rod end, first spacing rod end of gag lever post passes outside electricity behaviour installing rack, second spacing rod end of gag lever post stretches out the below of breaker of plastic casing body case, and contiguous described breaker body draw bar.
The external diameter of the first spacing rod end of described gag lever post is greater than the external diameter of the second spacing rod end of gag lever post, and the joint portion of the first spacing rod end of gag lever post and the second spacing rod end of gag lever post arranges guide vane end stop.
Described lock operation indicating mechanism comprises the shell body be arranged on electricity behaviour installing rack, fork and fork installing rack is provided with in described shell body, described fork installing rack is fixedly installed on electricity behaviour installing rack, fork is hinged to be installed on fork installing rack, fork has the first fork end and the second fork end, first spacing rod end of the contiguous gag lever post of described second fork end, first fork end is connected with the indicating mechanism of stirring of shell body internal upper part, described indicating mechanism of stirring can drive fork to swing in shell body, when fork swings in shell body, second fork end of fork can with the first gag lever post end in contact of gag lever post, to drive the reciprocating motion of gag lever post, and the state of gag lever post can be locked.
Described indicating mechanism of stirring comprises position mounting panel, and described position mounting panel is positioned at the top of shell body, and is fixedly connected with shell body; Top in the mounting panel of position is provided with driving lever, and driving lever can move in the mounting panel of position; Described driving lever is arranged the indicator board be fixedly connected with, described indicator board is positioned between position mounting panel and shell body, and indicator board can be followed driving lever and slided on the mounting panel of position; First fork end of fork stretches in the bottom of driving lever, when driving lever moves in the mounting panel of position, fork can be driven to swing in shell body.
Bottom in the mounting panel of described position is provided with swinging plate, and described swinging plate can slide in the mounting panel of position; First fork end of fork stretches in driving lever through after swinging plate, and when fork swings in shell body, swinging plate can be followed and be slided in the mounting panel of position; One end of swinging plate is connected with position mounting panel by back-moving spring.
One end of described swinging plate is provided with bending part, and one end of back-moving spring is connected on bending part, and the other end is connected to the bottom of position mounting panel.
Top in the mounting panel of described position is provided with mounting groove, and driving lever can move in mounting groove, and mounting groove and back-moving spring are positioned at the two ends of position mounting panel.
First spacing rod end of described gag lever post is arc-shaped, and the second fork end of fork has first surface and the second curved surface, and described first surface is connected by fillet surface with the second curved surface, fork swing time fillet surface can with the first gag lever post end in contact.
Described fork is installed on fork installing rack by installation shaft is hinged.
Advantage of the present invention: pass through gag lever post, limit spring coordinates with fork, make gag lever post can grasp reciprocating motion between installing rack and breaker of plastic casing body case at electricity, after gag lever post can contact with breaker body draw bar, the motion state of breaker body draw bar can be stopped, realize the blocking function to breaker body, breaker body can be made to be in "on" position all the time, can avoid making breaker body separating brake because of impact endurance test shock, when gag lever post resets away from breaker body draw bar under back-moving spring and fork effect, the normal operating state of breaker body draw bar can be kept, structure is simple, dependable performance, mechanism takes up room little, easy to manufacture, cost is low, in normal state, does not affect its basic function, add the scope of application of motor-operating mechanism and body circuit breaker.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is that gag lever post of the present invention enters line-locked schematic diagram to breaker body draw bar.
Fig. 3 is the structural representation that fork of the present invention coordinates with gag lever post.
Fig. 4 is fork of the present invention and the initial condition figure of gag lever post when non-latching.
Fig. 5 is fork of the present invention and the motion state diagram of gag lever post when carrying out lock operation.
Fig. 6 is fork of the present invention and gag lever post structural representation when reaching blocking again.
Fig. 7 is the structural representation that driving lever of the present invention coordinates with indicator board.
Description of reference numerals: 1-driving lever, 2-indicator board, 3-position mounting panel, 4-swinging plate, 5-back-moving spring, 6-fork, 7-installation shaft, 8-fork installing rack, 9-gag lever post, 10-limit spring, 11-electricity behaviour installing rack, 12-breaker of plastic casing body case, 13-breaker body draw bar, 14-breaker of plastic casing body, 15-shell body, 16-bending part, 17-mounting groove, 18-swinging plate sliding tray, the spacing rod end of 19-first, 20-guide vane end stop, the spacing rod end of 21-second, 22-first fork end, 23-second fork end, 24-fillet surface, 25-fork slot, 26-first surface, 27-second curved surface, 28-curved surface anchor point and 29-center of rotation.
Embodiment
Below in conjunction with concrete drawings and Examples, the invention will be further described.
As depicted in figs. 1 and 2: in order to effectively lock the separating brake of breaker of plastic casing body 14, "on" position, guarantee the stability that breaker of plastic casing body 14 works and reliability, the present invention includes the gag lever post 9 be installed on above breaker of plastic casing body 14, the bottom cover limited location spring 10 of described gag lever post 9, lock operation indicating mechanism is provided with above gag lever post 9, described lock operation indicating mechanism can allow gag lever post 9 can be moved back and forth above breaker of plastic casing body 14 by limit spring 10, and lock operation indicating mechanism can indicate lock-out state; When gag lever post 9 is by limit spring 10 reciprocating motion, can coordinate with the breaker body draw bar 13 on breaker of plastic casing body 14, to lock the mode of operation of breaker body draw bar 13.
Particularly, in the embodiment of the present invention, gag lever post 9 coordinates with breaker body draw bar 13, refer to that gag lever post 9 can limit the motion of breaker body draw bar 13, work after putting in place to avoid breaker body draw bar 13, because the factors such as external impact cause the change of breaker body draw bar 13 mode of operation to cause the change of electric operation mechanism for breaker with plastics casing operating state.Meanwhile, when gag lever post 9 is away from breaker body draw bar 13, gag lever post 9 can not change the normal running of existing breaker body draw bar 13.
Described breaker of plastic casing body 14 is provided with breaker of plastic casing body case 12, described breaker of plastic casing body case 12 is provided with electricity behaviour installing rack 11, limit spring 10 is between electricity behaviour's installing rack 11 and breaker of plastic casing body case 12, gag lever post 9 has the first spacing rod end 19 and the second spacing rod end 21 corresponding with described first spacing rod end 19, first spacing rod end 19 of gag lever post 9 passes outside electricity behaviour installing rack 11, second spacing rod end 21 of gag lever post 9 stretches out the below of breaker of plastic casing body case 12, and contiguous described breaker body draw bar 13.
As shown in Figure 3: the external diameter of the first spacing rod end 19 of described gag lever post 9 is greater than the external diameter of the second spacing rod end 21 of gag lever post 9, first spacing rod end 19 of gag lever post 9 arranges guide vane end stop 20 with the joint portion of the second spacing rod end 21 of gag lever post 9, and the external diameter of described guide vane end stop 20 is greater than the external diameter of the first spacing rod end 19.In the embodiment of the present invention, first spacing rod end 19 of gag lever post 9 is in arc-shaped, the guide vane end stop 20 of gag lever post 9 is between electricity behaviour's installing rack 11 and breaker of plastic casing body case 12, the contact of installing rack 11 is grasped by guide vane end stop 20 and electricity, the first spacing rod end 19 that can limit gag lever post 9 is emerged the height of electricity behaviour installing rack 11, by coordinating of guide vane end stop 20 and limit spring 10, gag lever post 9 can be limited and move downward, and the active force that gag lever post 9 moves upward can be provided.When gag lever post 9 moves downward, the second spacing rod end 21 of gag lever post 9 can contact with breaker body draw bar 13, realizes the stop of moving to breaker body draw bar 13; When gag lever post 9 upwards resets under limit spring 10 acts on, second spacing rod end 21 of gag lever post 9 is away from the end of breaker body draw bar 13, gag lever post 9 is not contacted with breaker body draw bar 13, does not affect the normal use of breaker body draw bar 13.
Described lock operation indicating mechanism comprises the shell body 15 be arranged on electricity behaviour installing rack 11, fork 6 and fork installing rack 8 is provided with in described shell body 15, described fork installing rack 8 is fixedly installed on electricity behaviour installing rack 11, fork 6 is hinged to be installed on fork installing rack 8, and fork 6 has the first fork end 22 and the second fork end 23.Second fork end 23 of described fork 6 has first surface 27, fillet surface 24 and the second curved surface 26, and described fillet surface 24 forms curved surface anchor point 28 with the joint portion of first surface 27.
As shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6: the second curved surface 27 is d1 to the distance of center of rotation 29; Curved surface anchor point 28 is d2 to the distance of center of rotation 29; Fillet surface 24 is d3 to the distance of center of rotation 29; Wherein, d2 is greater than d3, and d2 is greater than d1.Described center of rotation 29 is positioned at the run-on point of fork 6 around fork installing rack 8, i.e. the position of installation shaft 7.
When fork 6 swings, the distance d1 of the second curved surface 27 and center of rotation 29 is when curved surface anchor point 28, and d1 is numerically maximum; When fillet surface 24 is contacted with gag lever post 9 by curved surface anchor point 28, fillet surface 24 is maximum with the distance d3 data of center of rotation 29, and in the process of the contiguous gag lever post 9 of first surface 26, the data of d3 diminish gradually.
In the embodiment of the present invention, first spacing rod end 19 of the contiguous gag lever post 9 of described second fork end 23, first fork end 22 is connected with the indicating mechanism of stirring of shell body 15 internal upper part, described indicating mechanism of stirring can drive fork 6 to swing in shell body 15, when fork 6 swings in shell body 15, second fork end 23 of fork 6 can contact with the spacing rod end 19 of first of gag lever post 9, to drive the reciprocating motion of gag lever post 9, and can lock the state of gag lever post 9.
In the embodiment of the present invention, fork 6 is installed on fork installing rack 8 by installation shaft 7 is hinged, the swing of fork 6 can contact with the spacing rod end 19 of first of gag lever post 9, and promote gag lever post 9 compression reseting spring 10 and move downward, when fork 6 promote gag lever post 9 motion put in place after, second fork end 23 of fork 6 is stopped by gag lever post 9 and the motion of breaker body draw bar 13 realizes the locking to breaker body draw bar 13.
In the embodiment of the present invention, described first surface 26 is for being similar to vertical face, and the second curved surface 27 is in oblique
arcplanar, the incline direction of the second curved surface 27 is be tilted to the right from the left end figure, when fork 6 is from swing from left to right figure, second curved surface 27 contacts with the first spacing rod end 19 of gag lever post 9 gradually, until the ends contact of curved surface anchor point 28 and the first spacing rod end 19, gag lever post 9 is compressed to maximum downwards.When fork 6 continues motion again, the fillet surface 24 of fork 6 contacts with first of gag lever post 9 the spacing rod end 19, simultaneously, fork 6 limits the relative motion between fork 6 and gag lever post 9 by curved surface anchor point 28, namely effectively can keep the state of gag lever post 9, guarantee the lock-out state to breaker body draw bar 13.
When not needing to lock breaker body draw bar 13 by gag lever post 9, needing to carry out above-mentioned operation on the contrary to fork 6, not contacting with the first spacing rod end 19 of gag lever post 9 by fork 6.When fork 6 is locked by gag lever post 9 pairs of breaker body draw bars 13, fillet surface 24 contacts with the first spacing rod end 19, after this, fork 6 is made to point to the direction motion of fillet surface 24 from the second curved surface 27, in fork 6 motion process, curved surface anchor point 28 can contact by rod end 19 spacing with first again, after fork 6 continues motion, the contact point of fork 6 and the first spacing rod end 19 crosses curved surface anchor point 28, first spacing rod end 19 contacts with the second curved surface 27, until the second fork end 23 of fork 6 does not contact with the first spacing rod end 19.
Described indicating mechanism of stirring comprises position mounting panel 3, and described position mounting panel 3 is positioned at the top of shell body 15, and is fixedly connected with shell body 15; Top in position mounting panel 3 is provided with driving lever 1, and driving lever 1 can move in position mounting panel 3; Described driving lever 1 is arranged the indicator board 2 be fixedly connected with, described indicator board 2 is positioned between position mounting panel 3 and shell body 15, and indicator board 2 can be followed driving lever 1 and slided on position mounting panel 3; First fork end 22 of fork 6 stretches in the bottom of driving lever 1, when driving lever 1 is mobile in position mounting panel 3, fork 6 can be driven to swing in shell body 15.
Bottom in described position mounting panel 3 is provided with swinging plate 4, and described swinging plate 4 can slide in position mounting panel 3; First fork end 22 of fork 6 stretches in driving lever 1 through after swinging plate 4, and when fork 6 swings in shell body 15, swinging plate 4 can be followed and be slided in position mounting panel 3; One end of swinging plate 4 is connected with position mounting panel 3 by back-moving spring 5.
Top in described position mounting panel 3 is provided with mounting groove 17, and driving lever 1 can move in mounting groove 17, and mounting groove 17 and back-moving spring 5 are positioned at the two ends of position mounting panel 3.In the embodiment of the present invention, mounting groove 17 and back-moving spring 5 are positioned at the corresponding position of position mounting panel 3, thus realize effective reset by back-moving spring 5.Be provided with swinging plate sliding tray 18 in position mounting panel 3, swinging plate 4 is installed in position mounting panel 3 by swinging plate sliding tray 18, and is slided in position mounting panel 3 by swinging plate sliding tray 18.One end of described swinging plate 4 is provided with bending part 16, and one end of back-moving spring 5 is connected on bending part 16, and the other end is connected to the bottom of position mounting panel 3.Bending part 16 downward bending of described swinging plate 4 one end, thered is provided the tie point of back-moving spring 5 by bending part 16, swinging plate 4 is followed after fork 6 moves and is slided, after swinging plate 4 slides in real present position mounting panel 3, stretching back-moving spring 5, namely back-moving spring 5 can provide the reset pulling force of swinging plate 4.As shown in Figure 4: the bottom of described driving lever 1 arranges fork slot 25, described fork slot 25 allows the first fork end 22 of fork 6 to set, and when stirring driving lever 1, fork 6 can be made to swing in shell body 15 around installation shaft 7 by driving lever 1.In the embodiment of the present invention, after driving lever 1 moves and puts in place in position mounting panel 3, the indicator board 2 be connected with driving lever 1 can indicate the state of whole locking device, and described state comprises lock-out state or unlocked state.
During work, dependent manual operation driving lever 1, makes driving lever 1 in position mounting panel 3, point to the direction motion of driving lever 1 from back-moving spring 5; Indicator board 2 moves with driving lever 1 and slides; Fork 6 stirs power by driving lever 1, swings around installation shaft 7; Fork 6 rotates and pulls swinging plate 4 to slide, and swinging plate 4 slides
afterovercome the spring tension of back-moving spring 5, back-moving spring 5 has a reciprocal spring tension by swinging plate 4 pairs of forks 6 simultaneously; While fork 6 swings, the spring force making gag lever post 9 overcome limit spring 10 moves downward, and gag lever post 9 pairs of forks 6 also have an elastic force upwards simultaneously; There is fillet surface 24 in the second fork end 23 of fork 6, when the contacted curved surface anchor point 28 of fork 6 and gag lever post 9, when contacting with fillet surface 24, what gag lever post 9 produced because of limit spring 10 stops fork 6 to be returned to the normal condition of mechanism because of the pulling force of back-moving spring 5 to fork 6 bounce upwards; Gag lever post 9 moves downward by the impact of fork 6, blocks breaker body draw bar 13 and rotates forward, stops breaker body separating brake, and reaches the function of mechanism's locking; After driving lever 1 is stirred and put in place, indicator board 2 can indicate, and indicating mechanism is in blocking.
Again operated by manpower and stir driving lever 1, make driving lever 1 in position mounting panel 3, point to the direction motion of back-moving spring 5 to driving lever 1, indicator board 2 moves with driving lever 1 and slides; Fork 6 stirs power by driving lever 1, rotate around installation shaft 7, overcome the bounce that locating part 9 produces because of limit spring 10, after fork 6 and gag lever post 9 contact point cross curved surface anchor point 28, the reset pulling force of springback power and back-moving spring 5 acts on fork 6 simultaneously, makes fork 6 Quick-return to the normal condition of mechanism; Gag lever post 9 pops up by the elastic force of limit spring 10 power, can not rotate by limiting circuit breaker body draw bar 13, and can not affect the opening and closing state of body switch; After driving lever 1 is stirred and put in place, indicator board 2 can carry out correspondence instruction, indicating mechanism is in normal condition.
The present invention is by gag lever post 9, limit spring 10 coordinates with fork 6, make gag lever post 9 can grasp reciprocating motion between installing rack 11 and breaker of plastic casing body case 12 at electricity, after gag lever post 9 can contact with breaker body draw bar 13, the motion state of breaker body draw bar 13 can be stopped, realize the blocking function to breaker body, breaker body can be made to be in "on" position all the time, can avoid making breaker body separating brake because of impact endurance test shock, when gag lever post 9 resets away from breaker body draw bar 13 under back-moving spring 10 and fork 6 act on, the normal operating state of breaker body draw bar 13 can be kept, structure is simple, dependable performance, mechanism takes up room little, easy to manufacture, cost is low, in normal state, does not affect its basic function, add the scope of application of motor-operating mechanism and body circuit breaker.
Claims (9)
1. one kind is applicable to the locking device of electric operation mechanism for breaker with plastics casing, it is characterized in that: comprise the gag lever post (9) being installed on breaker of plastic casing body (14) top, bottom cover limited location spring (10) of described gag lever post (9), gag lever post (9) top is provided with lock operation indicating mechanism, described lock operation indicating mechanism can allow gag lever post (9) can be moved back and forth in breaker of plastic casing body (14) top by limit spring (10), and lock operation indicating mechanism can indicate lock-out state; When gag lever post (9) is by limit spring (10) reciprocating motion, can coordinate with the breaker body draw bar (13) on breaker of plastic casing body (14), to lock the mode of operation of breaker body draw bar (13);
Described lock operation indicating mechanism comprises the shell body (15) be arranged on electricity behaviour's installing rack (11), fork (6) and fork installing rack (8) is provided with in described shell body (15), described fork installing rack (8) is fixedly installed on electricity behaviour's installing rack (11), fork (6) is hinged to be installed on fork installing rack (8), fork (6) has the first fork end (22) and the second fork end (23), first spacing rod end (19) of the contiguous gag lever post (9) of described second fork end (23), first fork end (22) is connected with the indicating mechanism of stirring of shell body (15) internal upper part, described indicating mechanism of stirring can drive fork (6) to swing in shell body (15), when fork (6) swings in shell body (15), second fork end (23) of fork (6) can contact with the first spacing rod end (19) of gag lever post (9), to drive the reciprocating motion of gag lever post (9), and the state of gag lever post (9) can be locked.
2. the locking device being applicable to electric operation mechanism for breaker with plastics casing according to claim 1, it is characterized in that: described breaker of plastic casing body (14) is provided with breaker of plastic casing body case (12), described breaker of plastic casing body case (12) is provided with electricity behaviour's installing rack (11), limit spring (10) is positioned between electricity behaviour's installing rack (11) and breaker of plastic casing body case (12), gag lever post (9) has the first spacing rod end (19) and the second spacing rod end (21) corresponding with described first spacing rod end (19), first spacing rod end (19) of gag lever post (9) passes electricity behaviour's installing rack (11) outward, second spacing rod end (21) of gag lever post (9) stretches out the below of breaker of plastic casing body case (12), and contiguous described breaker body draw bar (13).
3. the locking device being applicable to electric operation mechanism for breaker with plastics casing according to claim 2, it is characterized in that: the external diameter of the first spacing rod end (19) of described gag lever post (9) is greater than the external diameter of the second spacing rod end (21) of gag lever post (9), the first spacing rod end (19) of gag lever post (9) arranges guide vane end stop (20) with the joint portion of the second spacing rod end (21) of gag lever post (9).
4. the locking device being applicable to electric operation mechanism for breaker with plastics casing according to claim 1, it is characterized in that: described in stir indicating mechanism and comprise position mounting panel (3), described position mounting panel (3) is positioned at the top of shell body (15), and is fixedly connected with shell body (15); Top in position mounting panel (3) is provided with driving lever (1), and driving lever (1) can move in position mounting panel (3); Described driving lever (1) above arranges the indicator board (2) be fixedly connected with, and described indicator board (2) is positioned between position mounting panel (3) and shell body (15), and indicator board (2) can be followed driving lever (1) and slided between position mounting panel (3) and shell body (15); First fork end (22) of fork (6) stretches in the bottom of driving lever (1), when driving lever (1) is mobile in position mounting panel (3), fork (6) can be driven to swing in shell body (15).
5. the locking device being applicable to electric operation mechanism for breaker with plastics casing according to claim 4, is characterized in that: the bottom in described position mounting panel (3) is provided with swinging plate (4), and described swinging plate (4) can slide in position mounting panel (3); First fork end (22) of fork (6) is through stretching in driving lever (1) after swinging plate (4), and when fork (6) swings in shell body (15), swinging plate (4) can be followed and be slided in position mounting panel (3); One end of swinging plate (4) is connected with position mounting panel (3) by back-moving spring (5).
6. the locking device being applicable to electric operation mechanism for breaker with plastics casing according to claim 5, it is characterized in that: one end of described swinging plate (4) is provided with bending part (16), one end of back-moving spring (5) is connected on bending part (16), and the other end is connected to the bottom of position mounting panel (3).
7. the locking device being applicable to electric operation mechanism for breaker with plastics casing according to claim 6, it is characterized in that: the top in described position mounting panel (3) is provided with mounting groove (17), driving lever (1) can move in mounting groove (17), and mounting groove (17) and back-moving spring (5) are positioned at the two ends of position mounting panel (3).
8. the locking device being applicable to electric operation mechanism for breaker with plastics casing according to claim 1, it is characterized in that: the first spacing rod end (19) of described gag lever post (9) is in arc-shaped, second fork end (23) of fork (6) has first surface (26) and the second curved surface (27), described first surface (26) is connected by fillet surface (24) with the second curved surface (27), and when fork (6) swings, fillet surface (24) can contact with the first spacing rod end (19).
9. the locking device being applicable to electric operation mechanism for breaker with plastics casing according to claim 1, is characterized in that: described fork (6) is installed on fork installing rack (8) by installation shaft (7) is hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310377641.4A CN103441043B (en) | 2013-08-26 | 2013-08-26 | Locking device applied to electric operating mechanism of molded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310377641.4A CN103441043B (en) | 2013-08-26 | 2013-08-26 | Locking device applied to electric operating mechanism of molded case circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103441043A CN103441043A (en) | 2013-12-11 |
| CN103441043B true CN103441043B (en) | 2015-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310377641.4A Active CN103441043B (en) | 2013-08-26 | 2013-08-26 | Locking device applied to electric operating mechanism of molded case circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103441043B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09306325A (en) * | 1996-05-20 | 1997-11-28 | Toshiba Corp | Operation device of circuit breaker for wiring |
| US6008458A (en) * | 1998-03-30 | 1999-12-28 | C & K Components, Inc. | Sealed slide switch |
| CN102074407A (en) * | 2009-11-24 | 2011-05-25 | 松下电工株式会社 | Breaker |
| CN203406247U (en) * | 2013-08-26 | 2014-01-22 | 无锡凯绎科技有限公司 | Locking device suitable for moulded case circuit breaker electrically-operated mechanism |
-
2013
- 2013-08-26 CN CN201310377641.4A patent/CN103441043B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09306325A (en) * | 1996-05-20 | 1997-11-28 | Toshiba Corp | Operation device of circuit breaker for wiring |
| US6008458A (en) * | 1998-03-30 | 1999-12-28 | C & K Components, Inc. | Sealed slide switch |
| CN102074407A (en) * | 2009-11-24 | 2011-05-25 | 松下电工株式会社 | Breaker |
| CN203406247U (en) * | 2013-08-26 | 2014-01-22 | 无锡凯绎科技有限公司 | Locking device suitable for moulded case circuit breaker electrically-operated mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103441043A (en) | 2013-12-11 |
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