CN101393826B - Handle lock device for circuit breaker - Google Patents

Handle lock device for circuit breaker Download PDF

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Publication number
CN101393826B
CN101393826B CN2007101537644A CN200710153764A CN101393826B CN 101393826 B CN101393826 B CN 101393826B CN 2007101537644 A CN2007101537644 A CN 2007101537644A CN 200710153764 A CN200710153764 A CN 200710153764A CN 101393826 B CN101393826 B CN 101393826B
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China
Prior art keywords
operating grip
circuit breaker
lock assembly
mounting groove
lock device
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CN101393826A (en
Inventor
加藤裕明
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Kawamura Electric Inc
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Kawamura Electric Inc
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Abstract

The invention provides a handle lock device capable of lowering the mounting position of a lock part and miniaturizing a circuit disconnector. The circuit disconnector (1) is provided with an operating handle (5) which is used for switching on/off the output and arranged at the upper part of a disconnector housing (2). A pair of front and back mounting grooves is formed inside the operating handle (5). The operating handle is rotated to a switching-off position, and an insert part (11) of the lock part (6) is inserted into a first mounting groove (9) exposed on the upper surface of the disconnector housing (2). A nip part (12) in the state of protruding to the outer part of the operating handle (5) is propped against the upper surface of the disconnector housing (2) to limit the operation of the operating handle (5). The operating handle is shifted to an on-position, thereby allowing a second mounting groove to be exposed on the upper surface of the disconnector housing (2) on the opposite side of the first mounting groove (9). The lock part is inverted and mounted in the second groove, and the operation of the operating handle (5) is limited through the butt junction of the nip part (12) and the disconnector housing (2).

Description

The handle lock device of circuit breaker
Technical field
The present invention relates to lock in the operating grip of circuit breaker the handle lock device of connection (ON) position and cut-out (OFF) position.
Background technology
Generally speaking, circuit breaker possesses the operating grip that makes output connection/cut-out.On circuit breaker, be connected with the occasion that emergency light etc. need keep the load of on-state at ordinary times; Perhaps be connected with the occasion of the load of only connecting under given conditions; For operating grip not by misoperation, proposed to lock in operating grip the device of on-position and off-position in the past.For example, put down in writing in the patent documentation 1 and on operating grip, covered the handle lock device that cap prevents misoperation.
Also have, in the past in order to make the circuit breaker miniaturization, with the top operating grip that on-position is set abreast of decoupler housing, it also is known having eliminated from the circuit breaker of the plane of the protuberance of decoupler housing.Put down in writing in the patent documentation 2 in the circuit breaker of plane, on the decoupler housing on overlapping installation cover the handle lock device that the lock assembly of the size of whole operation handle roughly forms.
Patent documentation 1: the spy opens the 2000-11842 communique
Patent documentation 2: the spy opens the 2001-307577 communique
Summary of the invention
The problem that solution is planned in invention
, the problem that the handle lock device of patent documentation 1 exists is, because cap is outstanding from the decoupler housing, so the entire circuit decoupler maximizes, occupies big space in inside such as distribution boards.Also have, need be used for being installed on cap the part of decoupler housing, increased cost.The problem that the handle lock device of patent documentation 2 exists is, though can be with a part pinning operating grip, because of lock assembly be overlapped in the decoupler housing above, so the height of circuit breaker has increased.
The object of the present invention is to provide the installation site that can reduce lock assembly, make the handle lock device of circuit breaker miniaturization.
Be used to solve the scheme of problem
In order to solve above-mentioned problem, characteristic of the present invention is the operating grip of the output connection/cut-out of circuit breaker is locked in the handle lock device of on-position and off-position, constitutes below adopting.
(1) a kind of handle lock device of circuit breaker; It is characterized in that; Be slidably mounted on lock assembly the installation portion that forms in the inside of operating grip; A part that makes lock assembly is outstanding to the outside of operating grip, the operation that the butt through this protuberance and decoupler housing comes the restriction operation handle.
(2) a kind of handle lock device of circuit breaker is characterized in that, can lock assembly be installed slidably to the direction of operating of operating grip.
(3) a kind of handle lock device of circuit breaker is characterized in that, can lock assembly be installed slidably to the direction vertical with the direction of operating of operating grip.
(4) a kind of handle lock device of circuit breaker is characterized in that, is provided with the inoperable demonstration of expression operating grip at protuberance.
(5) a kind of handle lock device of circuit breaker; It is characterized in that; Be installed on lock assembly removably the installation portion that forms in the inside of operating grip; A part that makes lock assembly is outstanding to the outside of operating grip, the operation that the butt through this protuberance and decoupler housing comes the restriction operation handle.
(6) a kind of handle lock device of circuit breaker is characterized in that, installation portion comprises: first mounting groove that above the decoupler housing, exposes when turning to off-position to operating grip; And second mounting groove that above the decoupler housing, exposes when turning to on-position to operating grip.
(7) a kind of handle lock device of circuit breaker; It is characterized in that; First and second mounting groove under the state that above the decoupler housing, exposes with should above extend abreast and form, lock assembly possesses the insertion section that optionally is inserted in first or second mounting groove and in the outside and the protuberance that engages above the decoupler housing of operating grip.
(8) a kind of handle lock device of circuit breaker is characterized in that, possesses to remain in the concavo-convex maintaining part in first or second mounting groove to the insertion section.
(9) a kind of handle lock device of circuit breaker; It is characterized in that; Be provided with the pair of right and left guiding wall of the protuberance of lock assembly direction guiding forwards, backwards in the upper end of decoupler housing; Form first and second mounting groove and insertion section in the position of being partial to a certain side's guiding wall in the left and right sides, on two sides in the table of protuberance, be provided with the on-state of display circuit decoupler and the demonstration of dissengaged positions.
(10) a kind of handle lock device of circuit breaker is characterized in that, when in second mounting groove, lock assembly being installed, protuberance covers the testing button that the off action of circuit breaker is tested, and it can not be operated.
The invention effect
According to handle lock device of the present invention, at the installation portion of the inside of operating grip lock assembly has been installed slidably or removably, thereby the installation site that can reduce lock assembly, making the circuit breaker miniaturization, this is its effect.
Description of drawings
Fig. 1 is the perspective view of the circuit breaker of expression embodiments of the invention 1.
Fig. 2 is the perspective view that expression locks in operating grip the circuit breaker of off-position.
Fig. 3 is that expression locks in operating grip is the perspective view of the circuit breaker before the on-position.
Fig. 4 is the perspective view that expression locks in operating grip the circuit breaker of on-position.
Fig. 5 be represent in detail handle lock device formation and action want portion's enlarged drawing.
Fig. 6 is the perspective view of the change example of expression handle lock device.
Fig. 7 is the perspective view of the circuit breaker of expression embodiments of the invention 2.
Fig. 8 is the elevation that expression locks in operating grip the action of on-position.
Fig. 9 is the elevation that expression locks in operating grip the action of off-position.
Figure 10 is the plane graph of the demonstration of expression lock assembly.
Figure 11 is the plane graph of the circuit breaker of expression embodiments of the invention 3.
Figure 12 is the plane graph that is configured in operating grip the circuit breaker of off-position.
Figure 13 is the elevation of the action of expression handle lock device.
Figure 14 is the plane graph of the demonstration of expression lock assembly.
Symbol description
101 handle lock devices (embodiment 1)
1 circuit breaker
2 decoupler housings
5 operating grips
6 lock assemblies
7 protective bulkheads (guiding wall)
9 first mounting grooves
10 second mounting grooves
11 insertion sections
12 pinch portion's (protuberance)
13 convex maintaining parts
14 spill maintaining parts
17 testing buttons
18 mounting grooves
19 guiding walls
201 handle lock devices (embodiment 2)
21 circuit breakers
22 decoupler housings
23 operating grips
24 lock assemblies
The 24a protuberance
26 mounting grooves
33 show
301 handle lock devices (embodiment 3)
35 lock assemblies
The 35a protuberance
38 mounting grooves
41 show
Embodiment
Below, with reference to accompanying drawing execution mode of the present invention is described.Fig. 1~Fig. 6 is illustrated in the handle lock device of the embodiment 1 that lock assembly has been installed on the operating grip removably.The direction of operating that Fig. 7~Figure 10 is illustrated in operating grip has been installed the handle lock device of the embodiment 2 of lock assembly slidably.Figure 11~Figure 14 is illustrated in the handle lock device that the direction vertical with the direction of operating of operating grip installed the embodiment 3 of lock assembly slidably.
Embodiment 1
Fig. 1 is the perspective view that is illustrated in the circuit breaker that the state before the lock assembly 6 is installed on the operating grip 5 of off-position.Fig. 2 is the perspective view that is illustrated in the circuit breaker of the state that lock assembly has been installed on the operating grip of off-position.Fig. 3 is the perspective view that is illustrated in the circuit breaker that the state before the lock assembly is installed on the operating grip of on-position.Fig. 4 is the perspective view that is illustrated in the circuit breaker of the state that lock assembly has been installed on the operating grip of on-position.
Like Fig. 1~shown in Figure 4, the handle lock device 101 of embodiment 1 is arranged on the top of the circuit breaker 1 that breaks off single-phase 3 line formula circuit.The housing 2 of circuit breaker 1 forms by thin box-shaped, and the release mechanism (diagram is omitted) that breaks off single-phase 3 line formula circuit is housed in the inside of this decoupler housing 2.Be provided with power supply side terminal 3 at the back side of decoupler housing 2 (left surface of Fig. 1), be provided with load side terminal 4 in the front of decoupler housing 2 (right flank of Fig. 2).
Power supply side terminal 3 and load side terminal 4 each have three terminals and vertically arrange, and the terminal of central authorities is as neutral terminal, and terminal up and down uses as voltage terminal.Power supply side terminal 3 is an inserted mode, and load side terminal 4 is a speed knot terminal, all is just can connect simply as long as insert electric wire.On the center terminal mouth 4b of load side terminal 4 and upper face side terminal mouth 4a or rim of the mouth, lower side 4c, be connected the voltage output that electric wire just can obtain 100V, the voltage that just can obtain 200V at the last connection of terminal mouth 4a, 4c up and down electric wire is exported.
Be provided with on the top of decoupler housing 2 drive release mechanism and connect/cut off circuit breaker 1 output operating grip 5 and lock in operating grip 5 lock assembly 6 of on-position and off-position.Operating grip 5 can rotate at fore-and-aft direction, place the off-position that above decoupler housing 2, erects (with reference to Fig. 1, Fig. 2) and with the top on-position that engages of decoupler housing 2 (with reference to Fig. 3, Fig. 4).Formed the pair of right and left protective bulkhead 7 of the operating grip 5 of taking in on-position on the top of decoupler housing 2.Protective bulkhead 7 extends at the fore-and-aft direction of decoupler housing 2, works as the guiding wall that guides lock assembly 6.
Fig. 5 representes the formation and the action of handle lock device 101 in detail; (a) being the plane graph and the elevation of the state of expression lock assembly 6 operating grip 5 that pins off-positions, (b) is the plane graph and the elevation of the state of expression lock assembly 6 operating grip 5 that pins on-positions.In the handle lock device 101 of this embodiment; Rear side (left side of Fig. 5) at operating grip 5 has formed first mounting groove 9; In front side (right side of Fig. 5) formed 10, one lock assemblies 6 of second mounting groove can be in front and back and change direction up and down and optionally and removably be installed in two mounting grooves 9,10.
First mounting groove 9 when erecting off-position to operating grip 5, under the state that above decoupler housing 2, exposes backward, extends with the top of housing shown in Fig. 5 (a) abreast, is formed at the inside of operating grip 5 according to this.Second mounting groove 10 when pulling operating grip 5 down on-position, under the state that above decoupler housing 2, exposes forward, extends with the top of housing shown in Fig. 5 (b) abreast, is formed at the inside of operating grip 5 according to this.
Lock assembly 6 is that the portion of pinching 12 of wide cut forms by lamellar by the insertion section 11 of the inboard that is inserted into mounting groove 9,10 (with reference to Fig. 1) in a narrow margin with to the outstanding protuberance in the outside of operating grip 5.When operating grip 5 turns to off-position; Insertion section 11 is inserted into first mounting groove 9 from the rear of decoupler housing 2; Pinch portion 12 under the back side-prominent state of operating grip 5 with engage above the decoupler housing 2, through with the operation that engages restriction operation handle 5 of housing 2.When operating grip 5 turns to on-position; Insertion section 11 is inserted into second mounting groove 10 from the place ahead of decoupler housing 2; Pinch portion 12 and under state side-prominent before operating grip 5 with above the decoupler housing 2, engage, through with the operation that engages restriction operation handle 5 of housing 2.
First and second mounting groove 9,10 relatively forms the position of a certain side's protective bulkhead 7 sides in the left and right sides at the Width center line from operating grip 5, in the side upper shed of the operating grip 5 that engages with this protective bulkhead 7.Identical therewith, the insertion section 11 of lock assembly 6 also is to form in the position from Width center line one-sided protective bulkhead 7 sides of the portion of pinching 12.Insertion section 11 is provided with convex maintaining part 13, on the inner face of mounting groove 9,10, has formed spill maintaining part 14.And concavo-convex chimeric through maintaining part 13,14 remains in the inboard of mounting groove 9,10 to insertion section 11, prevents that lock assembly 6 from coming off from operating grip 5.
The portion of pinching 12 of lock assembly 6 by with about the quadrangle of interval same widths of protective bulkhead 7 form, guide at fore-and-aft direction by protective bulkhead 7.On two sides in the table of the portion of pinching 12, be provided with demonstration 15 and the demonstration 16 of " connection " of expression on-state of " cut-out " of the dissengaged positions of indication circuit decoupler 1.And, the portion of pinching 12 is slided on decoupler housing 2, to mounting groove 9,10 dismounting insertion sections 11.
On the other hand, be provided with the testing button 17 that the off action of circuit breaker 1 is tested on the top of decoupler housing 2.Testing button 17 nearby exposes above decoupler housing 2 in the front side of operating grip 5, leans on spring (diagram is omitted) to energize to the top, operates with instruments such as screwdrivers.When in second mounting groove 10, lock assembly 6 being installed, testing button 17 is covered and can not be operated on it from the top by the portion of pinching 12.In addition; As testing button 17, for example can use the trigger button that is used for the overcurrent ejector that when overcurrent takes place, carries out off action is tested, make electric-leakage detection circuit flow through doubtful leakage current to test testing button of off action etc.
Secondly, the action of handle lock device 101 is described.In the occasion that locks in operating grip 5 off-position, like Fig. 1, shown in Figure 2, lock assembly 6 face forward (load side terminal 4 sides) on decoupler housing 2 is slided, be inserted into insertion section 11 in first mounting groove 9.In the occasion that locks in operating grip 5 on-position; Make lock assembly 6 (power supply side terminal 3 sides) slip rearward; From first mounting groove 9, extract insertion section 11, the direction of lock assembly 6 front and back and up and down the counter-rotating after, like Fig. 3, shown in Figure 4; Lock assembly 6 is rearward slided on decoupler housing 2, be inserted into insertion section 11 in second mounting groove 10.
Occasion locking in operating grip 5 which kind of position of connection/cut-out all is that protective bulkhead 7 works as pinching the guiding wall of portion 12, thereby can be inserted into lock section 6 in the mounting groove 9,10 swimmingly.Under this state, insertion section 11 remains in the mounting groove 9,10 through the chimeric of maintaining part 13,14, so can prevent coming off of lock assembly 6 really.And the lock assembly 6 that reverses just can lock in operating grip 5 connection, cut off two positions simply, and can show that 15 come positively to confirm the connection/dissengaged positions of circuit breaker 1 based on " connection " demonstration 16 or " cut-out " of the portion of pinching 12.
Also have, lock assembly 6 is installed in the inner mounting groove 9,10 of operating grip 5, thus connect, cut off which kind of occasion can both be configured in lock assembly 6 than operating grip 5 above low position, reduce the height of decoupler housing 2.Particularly at on-position; Lock assembly 6 closes in second mounting groove 10 of front face side, thereby rearward equalizes operating grip 5, up to the position that engages above the decoupler housing 6; Removed to the outstanding parts in the top of decoupler housing 2, can make 1 miniaturization of entire circuit decoupler.Also having, at on-position, pinch portion 12 and cover testing button 17 from the top, thereby also have the misoperation that prevents this button 15, can holding circuit decoupler 1 be the advantage of on-state.
Fig. 6 is the perspective view of the change example of expression handle lock device 101.In this change example, operating grip 5 is made as with respect to the top of decoupler housing 2 to tilt forwards, backwards with equal angular, gives prominence to above decoupler housing 2 in connection, cut-out two location.A pair of mounting groove 18 (only illustrating a side) before and after the Width central portion of operating grip 5 has formed alternately exposes above decoupler housing 2 along with the rotation of operating grip 5.And the insertion section 11 of lock assembly 6 optionally is inserted in two mounting grooves 18, and the joint through portion of pinching 12 and decoupler housing 2 locks in connection and off-position to operating grip 5.
Insertion section 11 forms at the Width central portion of the portion of pinching 12, on the face of the left and right sides of the portion of pinching 12, is provided with convex maintaining part 13 highlightedly.Standing on decoupler housing 2 to be provided with to guide and pinching the pair of right and left guiding wall 19 of portion 12, on the inner face of guiding wall 19, be formed extended at both sides spill maintaining part 14 forwards, backwards.And concavo-convex chimeric through maintaining part 13,14 remains in the inboard of mounting groove 18 to insertion section 11, prevents that lock assembly 6 from coming off from operating grip 5.Therefore; In this change example also be; Just optionally be installed on a lock assembly 6 in two mounting grooves 18 and can lock in operating grip 5 connection, cut off two positions simply, and can be configured in the low level of comparing with operating grip 5 to lock assembly 6, reduce the height of decoupler housing 2.
Embodiment 2
Fig. 7~Figure 10 representes the handle lock device of embodiment 2.Fig. 7 is the perspective view that the circuit breaker of handle lock device has been equipped in expression.Fig. 8 (a) and (b) are the elevation of action of lock assembly that are illustrated in the on-position of operating grip.Fig. 9 (a) and (b) are the elevation of action of lock assembly that are illustrated in the off-position of operating grip.Figure 10 (a) and (b) are plane graphs of the demonstration of lock assembly when being illustrated in the on-position of operating grip.
As shown in Figure 7, the handle lock device 201 of embodiment 2 is arranged on substantial middle portion top of circuit breaker 21.The box-shaped that decoupler housing 22 is pressed plane quadrilateral forms; Release mechanism (diagram omit) is equipped with in inside, be provided with in the above connection/cut-out circuit breaker 21 output operating grip 23 and lock in operating grip 23 lock assembly 24 of on-position and off-position.Operating grip 23 can rotate at fore-and-aft direction; Place and the top on-position that engages (with reference to Fig. 8) of decoupler housing 22 and the off-position (with reference to Fig. 9) that above decoupler housing 22, erects; And, on decoupler housing 22, founding the pair of right and left protective bulkhead 25 that is provided with the operating grip 23 of taking in on-position.
Like Fig. 8, shown in Figure 9, be formed extended at both sides mounting groove 26 at fore-and-aft direction in the inside of operating grip 23.At the on-position of operating grip 23, the bottom surface of mounting groove 26 be configured in plane identical above the decoupler housing 22 in.Direction of operating to operating grip 23 in mounting groove 26 has been installed lock assembly 24 slidably.Lock assembly 24 is provided with and chimeric telescoping part 27 of mounting groove 26 and the portion of pinching 28 of above operating grip 23, exposing.And the convex maintaining part 29 through mounting groove 26 and the spill maintaining part 30 of lock assembly 24 chimeric remains in lock assembly 24 inboard of mounting groove 26.
Leaning on lock assembly 24 to lock in operating grip 23 occasion of on-position; Shown in Fig. 8 (a); Make lock assembly 24 slide into load side terminal 4 (with reference to Fig. 7) side; Make leading section outstanding, make the top butt of this protuberance 24a and decoupler housing 22, the operation that the butt through protuberance 24a and decoupler housing 22 comes restriction operation handle 23 to the outside of operating grip 23.Occasion in that lock is removed shown in Fig. 8 (b), makes lock assembly 24 slide into power supply side terminal 3 sides, with its whole inside of receiving operating grip 23, opens protuberance 24a in 22 minutes from the decoupler housing.
In the occasion that locks in operating grip 23 off-position; Shown in Fig. 9 (a); Make lock assembly 24 slide into oblique below; Make leading section outstanding to the outside of operating grip 23, make abutting part 31 butts of this protuberance 24a (pinching the surface of portion 28) and decoupler housing 22, the butt through protuberance 24a and abutting part 31 comes restriction operation handle 23 to operate.Occasion in that lock is removed shown in Fig. 9 (b), makes lock assembly 24 slide into oblique upper, with its whole inside of receiving operating grip 23, opens protuberance 24a in 31 minutes from abutting part.
Shown in Figure 10 (a), be provided with the demonstration 32 of " connection " on the leading section of lock section 24, at the on-position of operating grip 23, the on-state that the protuberance 24a of lock assembly 24 can display circuit decoupler 21.Different therewith, shown in Figure 10 (b), be provided with the demonstration 33 of expression operating grip 23 inoperable " Lock " in the bottom surface of mounting groove 26, also can be made as, when lock assembly 24 is given prominence to, can identification should show 33 from the outside.When lock assembly 24 submerges to mounting groove 26 inboard, show that 33 are covered by lock assembly 24, thereby can display operation handle 23 be exercisable.
According to the handle lock device 201 of embodiment 2, lock assembly 24 is installed in the inner mounting groove 26 of operating grip 23, thereby connecting, cutting off which kind of occasion and can both be configured in the low level of comparing with operating grip 23 to lock assembly 24, reduces the height of decoupler housing 22.And different with former cap, lock assembly 24 can not come off from operating grip 23 and lose, but can positively remain in the mounting groove 26 through the concavo-convex chimeric of maintaining part 29,30.Also have, can easily confirm the connection/dissengaged positions of circuit breaker 21, according to the locking/unlocking state that conceals, easily confirms operating grip 23 that shows 33 at present according to showing 32 position.
Embodiment 3
Figure 11~Figure 14 representes the handle lock device of embodiment 3.Figure 11 is the plane graph of circuit breaker of the on-position of expression operating grip.Figure 12 is the plane graph of circuit breaker of the off-position of expression operating grip.Figure 13 is an elevation of representing the action of handle lock device with the connection/off-position of operating grip.Figure 14 is a plane graph of representing the demonstration of lock assembly with the on-position of operating grip.In addition, the formation of circuit breaker and operating grip and embodiment 2 are much the same, on drawing, pay with same-sign.
Like Figure 11, shown in Figure 12; In the handle lock device 301 of embodiment 3; Be provided with operating grip 23 rotationally at fore-and-aft direction on decoupler housing 22; Can be placed on that (with reference to Figure 11, Figure 13 a) and the off-position that above decoupler housing 22, erects (with reference to Figure 12, Figure 13 b) with the top on-position that engages of decoupler housing 22.Also have, founding the pair of right and left protective bulkhead 25 that is provided with the operating grip 23 of taking in on-position on decoupler housing 22, formed the front and back pair of notches portion 36,37 chimeric on the protective bulkhead 25 in left side in the drawings with the protuberance 35a of lock assembly 35.
Figure 13 has been formed extended at both sides mounting groove 38 in the inside of operating grip 23 at left and right directions shown in (a), at the on-position of operating grip 23, the bottom surface of mounting groove 38 be configured in plane identical above the decoupler housing 22 in.Also have, shown in Figure 13 (b), in the off-position of operating grip 23, a side side of mounting groove 38 be configured in plane identical above the decoupler housing 22 in.Be inserted into the inboard of mounting groove 38 to lock assembly 35, be mounted to slidably in the direction vertical (left and right directions) with the direction of operating of operating grip 23.And, outstandingly on lock assembly 35 be provided with the portion of pinching 39, formed the fenestra 40 that the portion of pinching 39 is exposed on operating grip 23.
In the occasion that locks in operating grip 23 by lock assembly 35 on-position; Shown in Figure 11 (a), Figure 13 (a); To left slide lock portion part 35; Make the notch 37 of its left part through rear side (power supply side terminal 3 sides) and outstanding to the outside of operating grip 23, make this protuberance 35a and decoupler housing 22 above be adjacent to the operation that the butt through protuberance 35a and housing 22 comes restriction operation handle 23.On on protuberance 35a, shown in figure 14, be provided with the demonstration 41 of expression operating grip 23 inoperable " Lock ".In the occasion that lock is removed, shown in Figure 11 (b),,, opened protuberance 35a in 22 minutes from the decoupler housing, showing that 41 are hidden in the inside of operating grip 23 with its whole inside of receiving operating grip 23 to right-hand slide lock portion part 35.
In the occasion that locks in operating grip 23 off-position; Shown in Figure 12 (a), Figure 13 (b); To left slide lock portion part 24; Make the notch 36 of its left part through front side (load side terminal 4 sides) and outstanding to the outside of operating grip 23, make this protuberance 35a and decoupler housing 22 above be adjacent to the operation that the butt through protuberance 35a and housing 22 comes restriction operation handle 23.In the occasion that lock is removed, shown in Figure 12 (b),,, opened protuberance 35a in 22 minutes from the decoupler housing its whole inside of receiving operating grip 23 to right-hand slide lock portion part 35.
Handle lock device 301 according to this embodiment 3; The same with embodiment 2; Lock assembly 35 is installed in the mounting groove 38 in the operating grip 23, thereby connecting, cutting off which kind of occasion and can both be configured in the low level of comparing with operating grip 23 to lock assembly 35, reduces the height of decoupler housing 22.Also have, on the protuberance 35a of lock assembly 35, be provided with the demonstration 41 of " Lock ",, be prone to see the locking/unlocking state of ground display operation handle 23 so can also utilize the slip of lock assembly 41.In addition, show 41 except can adopting " Lock ", can also adopt the literal, redness etc. of " quiescing " painted.
The invention is not restricted to the foregoing description, but as below illustrative, can be in the scope that does not exceed aim of the present invention, suitably change each several part shape, constitute and implement.
(1) in handle lock device shown in Figure 1 101, the installation portion of operating grip 5 is not limited to flute profile.The recess or the hole portion that can form in the inside of operating grip 5 install lock assembly 6 removably.
(2) also can be applicable to slim circuit breaker 1 shown in Figure 1 to handle lock device shown in Figure 7 201, at the direction of operating of operating grip 5 lock assembly 24 is installed slidably and implemented.
(3) also can be applicable to slim circuit breaker 1 shown in Figure 1 to handle lock device shown in Figure 11 301, in the direction vertical lock assembly 35 is installed slidably and implemented with the direction of operating of operating grip 5.

Claims (10)

1. the operating grip the output connection/cut-out that makes circuit breaker locks in the handle lock device of the circuit breaker of on-position and off-position, it is characterized in that,
Be slidably mounted on lock assembly the installation portion that forms in the inside of operating grip; Be provided with the portion of pinching of above operating grip, exposing and the operation through the portion of pinching on the lock assembly to the outstanding protuberance in the outside of operating grip, the operation that the butt through this protuberance and decoupler housing comes the restriction operation handle.
2. the handle lock device of circuit breaker as claimed in claim 1 is characterized in that, can above-mentioned lock assembly be installed slidably to the direction of operating of operating grip.
3. the handle lock device of circuit breaker as claimed in claim 1 is characterized in that, can above-mentioned lock assembly be installed slidably to the direction vertical with the direction of operating of operating grip.
4. like the handle lock device of any described circuit breaker in the claim 1 to 3, it is characterized in that, be provided with the inoperable demonstration of expression operating grip at above-mentioned protuberance.
5. the operating grip the output connection/cut-out that makes circuit breaker locks in the handle lock device of the circuit breaker of on-position and off-position, it is characterized in that,
Be installed on lock assembly removably the installation portion that forms in the inside of operating grip; On lock assembly, be provided with the insertion section in a narrow margin of the inboard that is inserted into above-mentioned installation portion and to the portion of pinching of the outstanding wide cut in the outside of operating grip, the operation that comes the restriction operation handle through this butt of pinching portion and decoupler housing.
6. the handle lock device of circuit breaker as claimed in claim 5 is characterized in that, above-mentioned installation portion comprises: first mounting groove that above the decoupler housing, exposes when turning to off-position to operating grip; And second mounting groove that above the decoupler housing, exposes when turning to on-position to operating grip.
7. the handle lock device of circuit breaker as claimed in claim 6; It is characterized in that; Above-mentioned first and second mounting groove forms extending abreast under the state that above the decoupler housing, exposes and above being somebody's turn to do; The above-mentioned insertion section of lock assembly optionally is inserted in first or second mounting groove, lock assembly above-mentioned pinch portion the outside of operating grip with engage above the decoupler housing.
8. the handle lock device of circuit breaker as claimed in claim 7 is characterized in that, possesses to remain in the concavo-convex maintaining part in first or second mounting groove to above-mentioned insertion section.
9. like the handle lock device of claim 7 or 8 described circuit breakers; It is characterized in that; Be provided with the pair of right and left guiding wall of the portion of pinching of lock assembly direction guiding forwards, backwards in the upper end of above-mentioned decoupler housing; Form first and second mounting groove and insertion section in the position of being partial to a certain side's guiding wall in the left and right sides, on two sides in the table of the portion of pinching, be provided with the on-state of display circuit decoupler and the demonstration of dissengaged positions.
10. like the handle lock device of any described circuit breaker in the claim 6 to 8; It is characterized in that; When in second mounting groove, above-mentioned lock assembly being installed, the above-mentioned portion of pinching covers the testing button that the off action of circuit breaker is tested, and it can not be operated.
CN2007101537644A 2007-09-20 2007-09-20 Handle lock device for circuit breaker Active CN101393826B (en)

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Publication number Priority date Publication date Assignee Title
CN102376473B (en) * 2010-08-24 2014-12-03 西门子公司 Switching device and locking mechanism thereof
DE102010041565A1 (en) * 2010-09-28 2012-03-29 Siemens Aktiengesellschaft Modular device
CN106229177A (en) * 2016-08-20 2016-12-14 嘉兴市创辉电气工程有限公司 A kind of double-throw knife-like switch of band brake lock

Citations (2)

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CN1155977C (en) * 1999-11-10 2004-06-30 三菱电机株式会社 Locking device for handle of circuit breaker
US6791040B1 (en) * 2003-09-15 2004-09-14 Eaton Corporation Locking assembly for an electrical switching apparatus

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Publication number Priority date Publication date Assignee Title
CN1155977C (en) * 1999-11-10 2004-06-30 三菱电机株式会社 Locking device for handle of circuit breaker
US6791040B1 (en) * 2003-09-15 2004-09-14 Eaton Corporation Locking assembly for an electrical switching apparatus

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