The operating mechanism that is used for the RCCB of closure casing
Technical field
The present invention relates to the operating mechanism of RCCB, especially for a kind of operating mechanism of the RCCB in the closure casing.
Background technology
Circuit breaker is the indispensable collocation assemblies of electric equipment products; All to be arranged in the rigid shell of sealing from security consideration in many instances; Such device; Generally all comprise a housing, place the circuit breaker of housing and the operating mechanism of circuit breaker, housing generally all comprises the shell block of settling circuit breaker and forms with shell block sealing and fixing end cap, operating mechanism generally all comprise the switch knob that places housing outer, with the operating grip interlock of circuit breaker and two ends be connected with the breaker body both sides across the crane span structure of circuit breaker, connect switch knob and crane span structure and realize the STATEMENT OF FEDERALLY SPONSORED that both link respectively; Circuit breaker is provided with the synchronizing bar that connects each operating grip and realize the synchronization action of each operating grip; Synchronizing bar is embedded in crane span structure realizing the interlock of switch knob and crane span structure, the device of above-mentioned setting or similar above-mentioned setting, and switch knob is through STATEMENT OF FEDERALLY SPONSORED drive crane span structure; It simultaneously also is the operating grip action of circuit breaker; Wherein, the two ends of each operating grip generally all are provided with to saving material and making it on-deformable blind hole, perhaps directly are through holes that runs through.But when circuit breaker is provided with the electric leakage assembly; Just resetting of its leakage switch must be through opening manual operation behind the housing, and generally all be through a plurality of screw between end cap and the shell block, and this makes the operation of uncapping very loaded down with trivial details; In addition; We know, have spark in the time of breaker operator and produce, and closure casing is set also considers from the anti-explosion safety angle; Through opening that housing operates obviously is to have run counter to the explosion-proof design original intention that opens circuit, and operating personnel's life safety is caused direct threats.
Summary of the invention
Be to solve the deficiency of prior art, the present invention provides a kind of simple to operate, operating mechanism that can make the safer RCCB that is used for closure casing of RCCB operation simultaneously.
For achieving the above object; The operating mechanism that is used for the RCCB of closure casing provided by the invention; Comprise the switch knob that places closure casing outer, in order to connect RCCB synchronizing bar each operating grip and that constitute each operating grip synchronization action and to connect switch knob and synchronizing bar and constitute the STATEMENT OF FEDERALLY SPONSORED of both interlocks; It is characterized in that: also comprise an actuating strut; Described actuating strut one end and synchronizing bar are fixed, and the other end is provided with the action contact that separates cooperation with the motion formation of RCCB operating grip with the leakage switch conflict; Described actuating strut is being provided with the baffle plate of conflicting and cooperating with the synchronizing bar end face with the fixing end of synchronizing bar; The plate face place longitudinal extension of baffle plate forms alignment pin and edge's longitudinal extension forms grapple; Described synchronizing bar with the fixing end of actuating strut be provided with cooperate with alignment pin and with the breach of containing cavity conducting and the hook groove that cooperates with grapple; Described alignment pin be inserted in the RCCB operating grip blind hole through this breach and the swing that constitutes actuating strut and operating grip to the location, described grapple grab constitutes the longitudinal register of actuating strut and operating grip jointly in synchronous pike pole groove and with baffle plate.
Operating mechanism with RCCB that is used for closure casing of above-mentioned setting just can be realized the interlock of switch knob to actuating strut, just console switch handle through the annexation between each parts; During the action of RCCB operating grip; Leakage switch can be opened with the unlatching of circuit breaker, can carry out synchronously, does not need to operate through opening closure casing again; Make the operation of leakage switch very easy; Just housing and RCCB are from installing beginning operation because the reason of disconnection and startup is uncapped with regard to not needing, and the potential safety hazard that has existed when having reduced operating breaker has greatly reduced operating personnel's operational risk.
The present invention further is set to: described synchronizing bar is provided with the containing cavity of several ccontaining RCCB operating grips, and the containing cavity inwall is provided with latch longitudinally, and described latch is inserted in the blind hole of operating grip.
Operating mechanism with RCCB that is used for closure casing of above-mentioned setting; Just can utilize the blind hole on the operating grip, after synchronizing bar tips upside down on the operating grip through containing cavity, carry out one again and vertically move; Latch is inserted in the blind hole; Make the swing between synchronizing bar and the operating grip more close, also can shackle member be set simultaneously, both are vertically fixed in the relevant position of blind hole and latch to the swing cooperation.Wherein, above-mentioned swing is to the track of the band certain radian of the RCCB operating grip swing that refers to.
The present invention further is set to: described actuating strut is being provided with the baffle plate of conflicting and cooperating with the synchronizing bar end face with the fixing end of synchronizing bar; The plate face place longitudinal extension of baffle plate forms alignment pin and edge's longitudinal extension forms grapple; Described synchronizing bar with the fixing end of actuating strut be provided with cooperate with alignment pin and with the breach of containing cavity conducting and the hook groove that cooperates with grapple; Described alignment pin be inserted in the RCCB operating grip blind hole through this breach and the swing that constitutes actuating strut and operating grip to the location, described grapple grab constitutes the longitudinal register of actuating strut and operating grip jointly in synchronous pike pole groove and with baffle plate.
Operating mechanism with RCCB that is used for closure casing of above-mentioned setting, the connection between actuating strut and the synchronizing bar just can be very firm, can repeatedly situation loosening or that come off not occur after the action.Certainly, if cooperating of grapple and hook groove only is set, it also can reach certain swing to the location, but there obviously do not have this to be provided with to be good.In addition, actuating strut and synchronizing bar can be other various fixed modes, and such as through fixing or the like the mode of screw, socket, both also can be wholely set, and just the end of synchronizing bar is extended a contact that cooperates with leakage switch also is set.
The present invention further is set to: described STATEMENT OF FEDERALLY SPONSORED includes shift fork and gangbar; Shift fork one end is connected and constitutes the axial restraint and circumferential interlock of shift fork and switch knob with switch knob; The other end is provided with fluting, and described gangbar one end is arranged in the fluting and the other end and synchronizing bar are fixed.
Operating mechanism with RCCB that is used for closure casing of above-mentioned setting; Switch knob rotates, and drives shift fork and rotates, and gangbar is just moved along the fluting direction in the fluting of shift fork; Also just having driven simultaneously switch knob swings to action along it; But be provided with very simply very effective, install also very convenient, without any need for auxiliary equipment or device.
Beneficial effect of the present invention is: the synchronization action of having realized RCCB leakage switch and operating grip; Do not carry out manual operation thereby do not need to open again housing, eliminated potential safety hazard, reduced operating personnel's life security threat; In addition; This operating mechanism is simple in structure, is provided with rationally, and cost is low.
Below in conjunction with accompanying drawing and embodiment the present invention is done further introduction.
Description of drawings
Fig. 1 is the schematic perspective view of embodiment of the invention assembled state.
Fig. 2 is the structural representation of embodiment of the invention assembled state.
Fig. 3 is the STRUCTURE DECOMPOSITION figure of embodiment of the invention assembled state.
Fig. 4 is the enlarged drawing of A portion among Fig. 2.
Fig. 5 is the stereogram of embodiment of the invention RCCB operating grip.
Fig. 6 is the schematic perspective view of embodiment of the invention actuating strut.
Fig. 7 is the schematic perspective view of embodiment of the invention synchronizing bar and gangbar.
Fig. 8 is another angle schematic perspective view of embodiment of the invention synchronizing bar and gangbar.
Embodiment
Like Fig. 1-shown in Figure 5; With the embodiment of the invention after closure casing and the RCCB assembling; Closure casing 1 is made up of shell block 11 and the end cap 12 with shell block 11 sealing and fixing; Operating mechanism 3 comprises the switch knob 31 that places closure casing 1 outer, in order to connect RCCB synchronizing bar 32 2 each operating grip 31 and that constitute each operating grip 31 synchronization action, connect switch knob 31 and synchronizing bar 32 and to constitute the STATEMENT OF FEDERALLY SPONSORED 34 and an actuating strut 33 of both interlocks; Described actuating strut 33 1 ends and synchronizing bar 32 are fixing, and the other end is provided with the action contact 332 that separates cooperation with the motion formation of RCCB 2 operating grips 21 with leakage switch 22 conflicts.
In the present embodiment; Described synchronizing bar 32 is provided with the containing cavity 321 of several ccontaining RCCB 2 operating grips 21; Containing cavity 321 inwalls are provided with latch 322 longitudinally; Described latch 322 is inserted in the blind hole 211 of operating grip 21, and synchronizing bar 32 tips upside down on the operating grip 21, utilizes space between each operating grip to move longitudinally through one latch 322 is plugged in the blind hole 211.
In the present embodiment; Described actuating strut 33 is being provided with the baffle plate 331 of conflicting and cooperating with synchronizing bar 32 end faces with synchronizing bar 32 fixing ends; The plate face place longitudinal extension of baffle plate 331 forms alignment pin 3311 and edge's longitudinal extension forms grapple 3312; Described synchronizing bar 32 with the fixing ends of actuating strut 33 be provided with cooperate with alignment pin 3311 and with the breach 324 of containing cavity 321 conductings and the hook groove 323 that cooperates with grapple 3312; Described alignment pin 3311 be inserted in RCCB 2 operating grips 21 blind holes 211 through this breach 324 and constitute actuating strut 33 and the swing of operating grip 21 to the location, described grapple 3312 grabs in synchronizing bar 32 hook grooves 323 and with the baffle plate 331 common longitudinal registers that constitute actuating struts 33 and operating grip 21.Certainly, if cooperating of grapple 3312 and hook groove 323 only is set, it also can reach certain swing to the location, but there obviously do not have this to be provided with to be good.Wherein, Actuating strut 33 can be other various fixed mode with synchronizing bar 32; Such as through fixing or the like the mode of screw, socket, both also can be wholely set, and just the end of synchronizing bar 32 is extended a contact that cooperates with leakage switch also is set.
In the present embodiment; Described STATEMENT OF FEDERALLY SPONSORED 34 includes shift fork 341 and gangbar 342; Shift fork 341 1 ends are connected and constitute the axial restraint and circumferential interlock of shift fork 341 and switch knob 31 with switch knob 31; The other end is provided with fluting 3411, and described gangbar 342 1 ends are arranged in the fluting 3411 and the other end and synchronizing bar 32 fixed.Wherein, shift fork 341 1 ends are to be inserted in through a connecting shaft 3411 to constitute both being connected in the switch knob 31, and gangbar 342 is to be wholely set with synchronizing bar 32.Certainly, STATEMENT OF FEDERALLY SPONSORED 34 also can be the long connecting rod that two ends connect switch knob 31 and synchronizing bar 32 respectively, but obviously it is good not as being provided with of present embodiment.