CN205542570U - Electromagnetic operation type switching device - Google Patents

Abstract

The utility model provides an electromagnetic operation type switching device. Even during the fixed plate carried out the structure of bolt fastening to the insulating thing casting shaping portion of blocking with the casing separating in the middle of, the dismantlement of the thing that also can will insulate the easily casting shaping portion of blocking improved this reliability of fixing. Electromagnetic operation type switching device possesses: the operation ware that constitutes by the electro -magnet, and with the help of by the actuating lever, the pole, drive power that the link mechanism transmission that the insulator spindle constitutes and the electromagnetic force that is produced by the electro -magnet accompany and have the vacuum circuit breaker by the fashioned insulating thing of the integrative casting of the insulating thing casting shaping portion of blocking, the fixed plate was fixed by fixing bolt in the middle of insulating thing casting shaping portion of blocking and casing were separating, be formed with the bolt fastening hole at middle fixed plate, and the mode with around the lower part that covers the insulating thing casting shaping portion of blocking is provided with bolt fastening portion, in this formation of bolt fastening portion and the bolt fastening the same hole in hole, the bolt fastening hole of fixed plate and the hole of in -and -out bolt fixed part in the middle of fixing bolt passes.

Description

Solenoid operated opening and closing device

Technical field

This utility model relates to solenoid operated opening and closing device, particularly to the solenoid operated opening and closing device being suitable to the electromagnetic force utilizing electromagnetic operating device and carry out the shutters such as vacuum circuit breaker opening and closing.

Background technology

As the vacuum circuit breaker of one of solenoid operated opening and closing device due to specification change, maintenance etc., it is sometimes desirable to change vacuum valve.

But, for constituting the conventional insulant cast molding blocking unit of vacuum valve, when changing vacuum valve, operation is changed in the axle portion interference that the operator existed and operate insulant cast molding blocking unit is connected, and causes hands cannot get at the situation of bolt fixing for insulant cast molding blocking unit.

Therefore, when changing vacuum valve, need to change interference the axle portion dismounting of operation, but axle portion is fixed in operator, in order to dismantle axle portion, need to dismantle the operator in fixing axle portion.

It addition, operator is generally covered by housing, therefore, in the case of disassembling section device, need to dismantle the housing of overlapping operation device.

Therefore, when changing vacuum valve, need to dismantle axle portion, operator, housing, need the more time.

As the fixed mechanism of the such problem of solution, there is the mechanism that patent documentation 1 is recorded.

In this patent documentation 1, it is illustrated that across middle fixing plate, the bottom of insulant cast molding blocking unit and the housing of overlapping operation device are carried out bolt and fix, and fix by releasing bolt, it is possible to insulant cast molding blocking unit is dismantled from housing.

Prior art literature

Patent documentation

Patent documentation 1: China's utility model announces No. 202678204 description

Utility model content

But, described in patent documentation 1 in middle fixing plate carries out the structure that bolt is fixing to insulant cast molding blocking unit and housing, it is formed through fixing bolt being fixed in the hole of middle fixing plate in the hole formed to the midway of the bolt fixed part of the bottom being arranged in insulant cast molding blocking unit, only formed to midway owing to being formed at the hole of bolt fixed part, fixing bolt non-through bolt fixed part, therefore, when producing stress, difference due to elastic modelling quantity, fracture may be produced at bolt fixed part and produce part, exist and lack the such problem of reliability.

This utility model completes in view of the foregoing, its object is to provide a kind of solenoid operated opening and closing device, even if carrying out insulant cast molding blocking unit also can easily be dismantled by the structure that bolt is fixing to insulant cast molding blocking unit and housing across middle fixing plate, and also can improve this fixing reliability.

In order to achieve the above object, solenoid operated opening and closing device of the present utility model possesses: be accommodated in the electromagnetic operating device of housing；Have by the vacuum circuit breaker of the insulant integrally insulant cast molding blocking unit of cast molding；And the driving force from above-mentioned electromagnetic operating device is transferred to support the linkage of the movable part of the movable electrode of above-mentioned vacuum circuit breaker, above-mentioned insulant cast molding blocking unit uses fixing bolt to be installed on above-mentioned housing across middle fixing plate, above-mentioned middle fixing plate has the first bolt fixing hole that the bolt of the above-mentioned electromagnetic operating device side and the side contrary with above-mentioned electromagnetic operating device that are formed at above-mentioned insulant cast molding blocking unit is fixed, above-mentioned housing has: the second bolt fixing hole that the bolt formed in the position corresponding with above-mentioned first bolt fixing hole of the opposition side of the above-mentioned electromagnetic operating device being formed at above-mentioned middle fixing plate is fixed；And formed in the position corresponding with above-mentioned first bolt fixing hole of the above-mentioned electromagnetic operating device side being formed at above-mentioned middle fixing plate, and the bolt bigger than the external diameter of the head of above-mentioned fixing bolt passes through hole, above-mentioned insulant cast molding blocking unit has the multiple bolt fixed parts being integrally formed in bottom, a part for above-mentioned multiple bolt fixed part has and forms and supply, in the position corresponding with above-mentioned first bolt fixing hole of the above-mentioned electromagnetic operating device side being formed at above-mentioned middle fixing plate, the first through hole that above-mentioned fixing bolt engages, another part of above-mentioned multiple bolt fixed part has and forms and supply, in the position corresponding with above-mentioned first bolt fixing hole of the opposition side of above-mentioned electromagnetic operating device, the second through hole that above-mentioned fixing bolt engages.

Above-mentioned middle fixing plate is set to the middle fixing plate that the three-phase of above-mentioned insulant cast molding blocking unit shares, and the position that above-mentioned first bolt fixing hole with the above-mentioned electromagnetic operating device side being formed at above-mentioned middle fixing plate in the both sides of the above-mentioned electromagnetic operating device side of above-mentioned housing is corresponding is formed with the 3rd bolt fixing hole.

In order to achieve the above object, solenoid operated opening and closing device of the present utility model possesses: the operator being made up of electric magnet, and this electric magnet has movable core, secured core and the coil that makes above-mentioned movable core separate with secured core or contact according to electromagnetic force configured oppositely；And vacuum circuit breaker, this vacuum circuit breaker is by the linkage being made up of drive rod, bar, insulating bar, make the movable electrode configured separate with fixed electrode by the driving force with the electromagnetic force produced by the electric magnet of aforesaid operations device or contact oppositely, and have by the insulant cast molding blocking unit of insulant one cast molding, above-mentioned insulant cast molding blocking unit is fixed by fixing bolt across middle fixing plate with above-mentioned housing, above-mentioned solenoid operated opening and closing device is characterised by

It is formed with bolt fixing hole at above-mentioned middle fixing plate, and in the way of covering the lower periphery of above-mentioned insulant cast molding blocking unit, it is provided with bolt fixed part, it is formed with the hole identical with above-mentioned bolt fixing hole at this bolt fixed part, and above-mentioned fixing bolt passes above-mentioned bolt fixing hole the hole of through above-mentioned bolt fixed part of above-mentioned middle fixing plate

Above-mentioned middle fixing plate is set to the middle fixing plate that the three-phase of above-mentioned insulant cast molding blocking unit shares.

Effect of the present utility model is as follows.

According to this utility model, can obtain and insulant cast molding blocking unit and housing also can be easily removed in middle fixing plate carries out the structure that bolt is fixing insulant cast molding blocking unit and can improve the solenoid operated opening and closing device of this fixing reliability.

Accompanying drawing explanation

Fig. 1 is the front view of the embodiment 1 representing solenoid operated opening and closing device of the present utility model.

Fig. 2 is the top view of the solenoid operated opening and closing device of the present utility model shown in Fig. 1.

Fig. 3 is the right view of the solenoid operated opening and closing device of the present utility model shown in Fig. 1.

Fig. 4 is to comprise the auxiliary contact of solenoid operated opening and closing device of the present utility model shown in Fig. 1, display panel, the left view of enumerator.

Fig. 5 is the figure of the direction observation of the arrow 270 from Fig. 4.

Fig. 6 A is the sectional view of the A-A ' line along Fig. 4 in the case of often arranging middle fixing plate mutually.

Fig. 6 B is the sectional view of the B-B ' line along Fig. 6 A.

Fig. 6 C is the sectional view of the C-C ' line along Fig. 6 A.

Fig. 7 A is the sectional view of the fixture construction representing the conventional middle fixing plate using fixing bolt to bolt fixed part.

Fig. 7 B is the sectional view of the fixture construction representing the middle fixing plate using fixing bolt to bolt fixed part of the present utility model.

Fig. 8 is the sectional view of the fixture construction of the middle fixing plate representing that the bolt fixed part to operator side of the present utility model uses fixing bolt.

Fig. 9 A be middle fixing plate is made three-phase public in the case of the sectional view of the A-A ' line along Fig. 4.

Fig. 9 B is the sectional view of the B-B ' line along Fig. 9 A.

Fig. 9 C is the sectional view of the C-C ' line along Fig. 9 A.

Figure 10 A be middle fixing plate is made three-phase public in the case of the sectional view of the A-A ' line along Fig. 4 of other example.

Figure 10 B is the sectional view of the B-B ' line along Figure 10 A.

Figure 10 C is the sectional view of the C-C ' line along Figure 10 A.

Figure 10 D is the sectional view of the D-D ' line along Figure 10 A.

Figure 11 is the right view of the embodiment 2 representing solenoid operated opening and closing device of the present utility model.

Figure 12 is the right view of the variation of the embodiment 2 representing solenoid operated opening and closing device of the present utility model.

nullIn figure: 10 housings，11 electromagnetic operating devices，12 openings，14 electric magnet，16 capacitors，18 control substrate，20 liners，22 secondary plugs，28 signal cables，32 vacuum circuit breakers，34 auxiliary contact，36 display panels，38 enumerators，48 coils，48a coil bobbin，50 light emitting diodes，52 " on " press buttones，54 "off" press buttones，56、171 plates，58 movable cores，60 secured cores，62、88、98 axles，64、66 movable flat boards，68 permanent magnets，70、72 covers，74、76、90、174 gripper shoes，78 fix bar，80 lower panel，82、84 through holes，94、102、136、144 pins，92 block spring，96、100、186、193 bars，114 insulating bars，121 flexible conductors，122 movable feed-throughs，124 can moving-conductor，124A movable electrode，125 fixed conductors，125A fixed electrode，126 insulating cylinders，129 fix feed-through，130 top connections，132 lower contacts，170 operation pull bars，172 ribs，173 fixture (bolts、Nut)，190 buffers，191 blocks，192 spherical adapters，194 nuts，195 thin plates，197 middle fixing plate，216、217、218、219、220、221、254 bolt fixed parts，228、229、230 insulant cast molding blocking unit，250 operating mechanism portions，260 fix bolt，Bolt is fixed in 261 operator sides，272 fractures produce part，300 bolts pass through hole，301、303 bolt fixing hole，302 operation axles pass through hole，400 contact side ends，401 operator side ends.

Detailed description of the invention

Hereinafter, embodiment based on diagram illustrates solenoid operated opening and closing device of the present utility model.It should be noted that in embodiments, same reference is used for same structure parts.

Embodiment 1

Fig. 1 to Fig. 4 represents the embodiment 1 of solenoid operated opening and closing device of the present utility model.

As shown in the drawing, the solenoid operated opening and closing device of the present embodiment possesses: electromagnetic operating device (operator) 11, it is made up of electric magnet 14；And vacuum circuit breaker 32, its driving force accompanied via the linkage transmission being made up of drive rod, bar, insulating bar and the electromagnetic force produced by electric magnet 14, and this vacuum circuit breaker 32 has by the insulant cast molding blocking unit 228 (229,230) of insulant one cast molding, this solenoid operated opening and closing device summary is configured to utilize fixing bolt insulant cast molding blocking unit 228 and housing 10 to be fixed across middle fixing plate 197.Hereinafter, above-mentioned detailed content is described.

As shown in Figure 1 to Figure 3, electromagnetic operating device 11 possesses the housing 10 being formed as box shape, and housing 10 has opening 12 in face side, dismounts and be fixed with positive face shield (omitting diagram) freely inside the face side of housing 10.

Central authorities in this housing 10, separately it is configured with capacitor 16 in a side side centered by electric magnet 14, control substrate 18 it is configured with in the opposing party side, electric magnet 14 uses bolt, nut (fixture 173) to be fixed on the side that housing 10, capacitor 16 and control substrate 18 are individually fixed in the housing 10 of opposition side via rib 172.That is, observing from the paper of Fig. 1 nearby direction, capacitor 16 is via belt body (not shown) and uses bolt, nut to fix in the left surface of housing 10, controls substrate 18 and via liner 20 and uses bolt, nut to fix in the right flank of housing 10.

Have again, as shown in Figure 4, in housing 10, the auxiliary contact 34 that sent to outside by the open and-shut mode of vacuum circuit breaker 32, the display panel 36 of display open and-shut mode, the enumerator 38 that counts opening and closing action frequency are accommodated in the top of capacitor 16 and are accommodated on the plate 171 being fixed on housing 10.

Reference 22 is secondary plug, the structure of the upper side hanging over housing 10 fix, and connecting at this secondary plug 22 has the cable of power supply, from the signal cable 28 etc. of digital relay or analogue relay.Signal cable 28 is connected with auxiliary contact 34, control substrate 18 in the inside of housing 10.

Control substrate 18 and receive the supply of electric power from secondary plug 22, and go code from digital relay or analogue relay etc. or open command (blocking instruction), and the control logic section of the logical operations carrying out the driving for controlling electric magnet 14 is installed, for capacitor 16 being charged the charge and discharge circuit of electric discharge, the relay for the energising direction of control coil 48 or relay contact etc..

It addition, controlling to be provided with on substrate 18 light emitting diode 50 of the situation of the charging complete representing capacitor 16, and it is provided with: for being manually operated, vacuum circuit breaker 32 is sent the " on " press button 52 gone code；And be used for being manually operated the "off" press button 54 that vacuum circuit breaker 32 sends open command (blocking instruction).

Then, electric magnet 14 is described.As shown in Figure 3, electric magnet 14 is made up of movable core 58, secured core 60, coil 48, the movable flat board 64 and 66 of 62, two pieces of axle, permanent magnet 68, the cover made of iron 70 and 72, gripper shoe made of iron 76 and the fixing bar 78 that are formed as tubular, and coil 48 is accommodated in the coil bobbin 48a being arranged between gripper shoe 74 and gripper shoe 76.

It addition, axle 62 is configured at the central part of electric magnet 14 along vertical, the upper side of axle 62 is inserted in the through hole 82 of plate 64,66, and lower side is inserted in the through hole 84 of gripper shoe 76 and gripper shoe 174.Thus, axle 62 becomes lifting and slides freely.

At the outer peripheral face of this axle 62, movable core 58, movable flat board 64 and 66 use nut to be fixed on axle 62, and the lower side at axle 62 is linked with axle (drive rod) 88 via pin (not shown).Being provided with the movable flat board of size two 64 and 66 (the movable flat board 66 movable flat board 64 big, upside of downside is little) on axle 62, this is present to ensure that necessary magnetic flux density and reduces the energy required for movable part quality, minimizing action.

Further, the lower side at axle 62 is linked with gripper shoe 90, between this gripper shoe 90 and lower panel 80, it is equipped with the ring-type blocking-up spring 92 (one end blocking spring 92 is installed on lower panel 80) of the circle depicted centered by the axle center of axle 62.This blocking-up spring 92 applies the elastic force for making movable core 58 separate from secured core 60 via gripper shoe 90 to axle 62.

It addition, around movable core 58, and it being configured with permanent magnet 68 in the downside of movable flat board 66, permanent magnet 68 is fixed on the upside of gripper shoe 74.Secured core 60 makes to be bolted to gripper shoe 76.

In lower panel 80, at the electric magnet 14 relative to lower panel 80, the side contrary with capacitor 16 is provided with buffer 190 and the block 191 being supported in lower panel 80.Block 191 is located at than buffer 190 near the position of axle 98.Fixed, by making this nut 194 rotate, it is possible to carry out height adjustment by nut 194 between buffer 190 and lower panel 80.

It addition, be inserted and fixed thin plate 195 between block 191 and lower panel 80, by making the thickness of the thin plate 195 of insertion change, it is possible to adjust the height of block 191.

On buffer 190, the side contrary with electric magnet 14 in its height direction is provided with spherical spherical adapter 192, possessing to have supported bar 193 for rotary shaft relative to the mode that axle 98 rotates with this axle 98 on axle 98, bar 193 contacts with spherical adapter 192 and block 191 both sides when the disconnection of vacuum circuit breaker 32.The upper surface of bar 193 is parallel with the bottom surface being provided with vacuum circuit breaker 32 when being formed as disconnecting.Buffer 190 is configured at the side (control substrate 18 side) contrary with capacitor 16 relative to electric magnet 14 with block 191.

I.e., in the present embodiment, lower panel 80 has the effect blocking spring fixture, the effect supporting buffer 190 and the effect of support limit stop 191 of fixing blocking-up spring 92 concurrently.Additionally, the central shaft of buffer 190 and the central shaft of electric magnet 14 are consistent on the paper depth direction of Fig. 3, the distance equal (being positioned at identical distance) between distance and axle 98 with the central shaft of electric magnet 14 between axle 98 and the central shaft of buffer 190 that paper depth direction extends.

Therefore, the bar 193 and the bar 96 being connected with electric magnet 14 that contact with buffer 190 via spherical adapter 192 can make same shape, thus, can reduce the kind of parts, can be easily manufactured parts.It addition, electric magnet 14 is fixed on vacuum circuit breaker 32 side of housing 10 via fixture 173.

Further, the lower side of axle 88 is also connected with a pair bar 96 via pin 94.This bar 96 is configured to a key element of the linkage converting the direction of transfer of the electromagnetic force produced with electric magnet 14 driving force together, is supported on axle 98, rotates integratedly with axle 98.Further support bar 100 at this axle 98, by making bar 96 rotate, thus via the rotation of axle 98, make bar 100 rotate.

It addition, as shown in Figure 4, being connected and have bar 186 on the operation pull bar 170 being connected with display panel 36, bar 186 is supported on axle 98.Observing from axle 98, bar 186 extends to the side contrary with bar 100.Above-mentioned bar 100 is connected with insulating bar 114 via pin 102.

Additionally, as shown in Figure 3, assembled inside at insulating bar 114 has the Wiping mechanism (not shown) applying contact pressure, the upper side of insulating bar 114 is connected with horizontally disposed movable feed-through 122 via the flexible conductor 121 with flexibility, and with can being connected by moving-conductor 124 of vacuum circuit breaker 32.Can be connected with movable electrode 124A by moving-conductor 124, be configured with fixed electrode 125A oppositely with movable electrode 124A.This fixed electrode 125A is connected with fixed conductor 125.Above-mentioned each parts and movable electrode 124A are accommodated in the insulating cylinder 126 constituting vacuum circuit breaker 32 in the lump, are retained as vacuum in this vacuum circuit breaker 32.

Additionally, fixed conductor 125 is connected with horizontally disposed fixing feed-through 129, fixing feed-through 129 is linked with the top connection 130 as blocking unit contact, being linked with the lower contact 132 as blocking unit contact on movable feed-through 122, connecting in top connection 130 and lower contact 132 has the conductor of distribution board.

It addition, fixing feed-through 129 is isolated in the height direction with movable feed-through 122, the vacuum circuit breaker 32 configured along short transverse (longitudinally) will electrically connect between the two.

And, contacting turn-on current by the movable electrode 124A of the inside of vacuum circuit breaker 32 with fixed electrode 125A, fixing feed-through 129 conducts with movable feed-through 122.Another aspect, by making movable electrode 124A disconnect from fixed electrode 125A, thus disconnects fixing feed-through 129 and movable feed-through 122.

It addition, as in figure 2 it is shown, in the present embodiment, combine three capacitors 16 and guarantee the electrostatic capacitance of regulation.The electric power accumulated by these three capacitors 16 is energized to coil 48, produces magnetic field, thus realize being switched on or switched off action.The electric power accumulated by capacitor 16 controls by controlling substrate 18 to the energising direction of coil 48.

By making such structure, compared with the situation of the electrostatic capacitance specified with utilizing a capacitor to guarantee, although footprint area becomes big, but the height of capacitor 16 can be reduced, it is accordingly possible to ensure the space on the top of capacitor 16 is wider, it is possible to increase maintainability.Additionally, the quantity of capacitor 16 is certainly not limited to three.

As shown in Fig. 1 and Fig. 4, auxiliary contact 34 and display panel 36 and enumerator 38 are as the state detection mechanism of vacuum circuit breaker 32, and plate 171 is also fixed in the side being respectively arranged at electric magnet 14 and the top being configured at capacitor 16.

As shown in Figure 4, in operation pull bar 170, the side contrary with the side being connected to bar 186 is connected with display panel 36 via pin 136.Operation pull bar 170 rotates together with axle 98 via bar 186, it is possible to determine the state (connect or block) of vacuum circuit breaker 32 according to the position of operation pull bar 170.Display panel 36 is connected with operation pull bar 170 via pin 144, so the state ground action of display panel 36 also corresponding vacuum circuit breaker 32, according to its operating position, it is possible to represent the state of current vacuum circuit breaker 32.

Display panel 36 is connected with enumerator 38, the action frequency of the action frequency=display panel 36 being conceived to the action frequency=operation pull bar 170 of the movable electrode 124A of vacuum circuit breaker 32 is such relational, counts the action frequency of the movable electrode 124A of vacuum circuit breaker 32 according to the action frequency of display panel 36.It is provided with bar 138, pin 142, pin 136 between operation pull bar 170 and auxiliary contact 34.

Then, use Fig. 4, Fig. 5 and Fig. 6 A, Fig. 6 B, Fig. 6 C that middle fixing plate 197 and the structure of periphery thereof of the feature as the present embodiment are described.

As shown in Fig. 5 and Fig. 6 A, insulant cast molding blocking unit 228,229,230 is respectively arranged with middle fixing plate 197.That is, middle fixing plate 197 is arranged at each phase.It addition, as figs. 6 a to 6 c, each middle fixing plate 197 is formed with bolt fixing hole 301, operation axle passes through hole 302, bolt fixing hole 303, is provided with bolt fixing hole 301, operation axle by hole 302, bolt by hole 300 at housing 10.Middle fixing plate 197 is positioned at top connection 130 and lower contact 132 side of housing 10.By fixing bolt 260 described later is passed bolt fixing hole 301, insulant cast molding blocking unit 228 (229,230) is fixed on housing 10 via middle fixing plate 197.

That is, as it is shown in figure 5, arrange the bolt fixed part 216,217,218,219,220,221 being made up of insulant in the way of covering the lower periphery of this insulant cast molding blocking unit 228,229,230.Bolt fixed part 216,217,218,219,220,221 integration respectively is in insulant cast molding blocking unit 228,229,230.Bolt fixed part 216,217,218,219,220,221 possesses hole in the way of identical with bolt fixing hole 301, and is provided with the female thread engaged with the external screw thread fixing bolt 260 in each hole.By fixing bolt 260 is passed the bolt fixing hole 301 of housing 10 and middle fixing plate 197 inside in each hole of in-and-out bolt fixed part 216,217,218,219,220,221, the insulant cast molding blocking unit 228,229,230 making three-phase is fixed integrally to each middle fixing plate 197 respectively, and is fixed on housing 10.Additionally, fixing bolt 260 adds up to the six roots of sensation in the present embodiment.

Additionally, the bolt being located at housing 10 is positioned at operator (electromagnetic operating device 11) side of insulant cast molding blocking unit 228,229,230 by hole 300, and, be formed as the hole bigger than the external diameter of the head of fixing bolt 261, when installing insulant cast molding blocking unit 228,229,230, fixing bolt 261 simply passes through the bolt of housing 10 and does not has relation by hole 300 with fixing.It addition, as shown in Figure 4, in the operator side of the vacuum circuit breaker 32 with insulant cast molding blocking unit, it is provided with bolt fixed part 254 in the position opposite with bolt fixed part 221.Though it addition, omit diagram, but in the same manner, being provided with bolt fixed part 254 in each the opposite position with bolt fixed part 216,217,218,219,220.These bolt fixed parts 254 are also the most integrated in insulant cast molding blocking unit 228,229,230.Bolt fixed part 254 possesses hole in the way of identical with bolt fixing hole 303, further, be provided with the female thread engaged with the external screw thread fixing bolt 261 in each hole.Operator side in insulant cast molding blocking unit 228,229,230, by fixing bolt 261 is passed the bolt fixing hole 303 of middle fixing plate 197 inside in the hole of in-and-out bolt fixed part 254 so that insulant cast molding blocking unit 228,229,230 is fixed on middle fixing plate 197.Therefore, insulant cast molding blocking unit 228,229,230 is fixed on middle fixing plate 197 by fixing bolt 260,261 respectively.Additionally, fixing bolt 261 adds up to the six roots of sensation in the present embodiment.

The operation axle being located at insulant cast molding blocking unit 228,229,230 is for transmitting the hole that the operation axle being linked to insulating bar 114 of the driving from electromagnetic operating device 11 passes through by hole 302.

Fig. 7 A represents conventional fixing bolt portion, the bolt fixed part 216 in one of Fig. 7 B fixing bolt portion being denoted as the present embodiment.

As shown in Figure 7 A, in conventional fixing bolt portion, fixing bolt 260 non-through bolt fixed part 216.When coil electricity, producing electromagnetic force 232 in the direction illustrated in Fig. 3, Fig. 4, it addition, as shown in Figure 7 A, electromagnetic force 232 also acts on bolt fixed part 216, fixing bolt 260.If producing electromagnetic force 232, then the part surrounded by thick frame (part represented by reference 272) is to extending with the contact surface side of fixing bolt 260 with the side contrary with the contact surface of fixing bolt 260.But, fixing bolt 260 becomes the obstruction of extension, thick frame the part surrounded cannot extend, thus stress concentrates on the side contrary with the contact surface of fixing bolt 260.Its result, causes producing cracking in the part surrounded by thick frame, thus produces fracture and produce part 272.It addition, when stress produces, because fixing bolt 260 is different from the elastic modelling quantity of bolt fixed part 216, it is also possible to produce fracture at bolt fixed part 216 and produce part 272.

The most as in this embodiment, due to axle portion become hinder and make hands to get at and make insulant cast molding blocking unit 228 (229,230) to housing 10 fixing only in the case of the side contrary with operator side is carried out, the stress produced because of the impact of electromagnetic force is born, it will cause producing part 272 stress in fracture and concentrate by the fixing bolt of less radical.

On the other hand, in the structure of the present embodiment shown in Fig. 7 B, fixing bolt 260 in-and-out bolt fixed part 216, there is not the part surrounded by the thick frame shown in Fig. 7 A, produce part 272 thus without producing fracture.It addition, the fracture caused because of the difference of elastic modelling quantity also will not be produced produces part 272 when stress produces.Therefore, it is possible to obtain the bolt fixed part 216 of the impact reducing stress.These situations are the most identical in other bolt fixed part 217,218,219,220,221.

It addition, in the present embodiment, Fig. 8 is also shown for the bolt fixed part 254 of operator side.That is, even if at bolt fixed part 254, fixing bolt 261 also in-and-out bolt fixed part 254, thus do not produce fracture generation part.Additionally, bolt fixed part 254 does not concentrate bigger stress as bolt fixed part 216,217,218,219,220,221, so can also be structure as in the past, i.e. fixing bolt 261 is the most through.

Then, use Fig. 4 and Fig. 5 that the method for dismounting of insulant cast molding blocking unit 230 is described.

First, the fixing bolt 260 middle fixing plate 197 and housing 10 fixed and other the fixing bolt 260 middle fixing plate 197 and housing 10 fixed with bolt fixed part 220 similarly in the inboard direction of Fig. 4 are dismantled with bolt fixed part 221.In operator side, fixing bolt 261 keeps the state being anchored on bolt fixed part 254.Then, insulant cast molding blocking unit 230 is at right angles to mentioned from housing 10 together with middle fixing plate 197.Thus, side, not disassembling section device portion is fixed other fixing bolt 261 of bolt 261 and inboard and just can insulant cast molding blocking unit 230 be dismantled from housing 10.It addition, the insulant cast molding blocking unit 228 and 229 being arranged along depth direction also is able to similarly dismantle.

By making the structure of such the present embodiment, even insulant cast molding blocking unit 228,229,230 and housing 10 are carried out in the structure that bolt is fixing via middle fixing plate 197, in addition to also being able to be easily removed insulant cast molding blocking unit 228,229,230, additionally it is possible to the reliability that the bolt that insulant cast molding blocking unit 228,229,230 and housing 10 are carried out by raising via middle fixing plate 197 is fixed.

In the above-described embodiment, often middle fixing plate 197 is being set mutually but it also may as shown in Fig. 9 A, Fig. 9 B, Fig. 9 C, middle fixing plate 197 is made a piece of middle fixing plate that three-phase is public.Except middle fixing plate 197 be three-phase public in addition to identical with Fig. 6 A, Fig. 6 B, Fig. 6 C.

Additionally, in the case of middle fixing plate 197 is made a piece of middle fixing plate that three-phase is public, more preferably as shown in Figure 10 A, Figure 10 B, Figure 10 C, Figure 10 D, both sides in operator side, it is not provided with bolt by hole 300 at housing 10, but bolt fixing hole 301 is set in mode such as ground identical with the position of corresponding bolt fixed part 216 grade, by fixing bolt, bolt fixed part 254 put on middle fixing plate 197 and be fixed on housing 10.That is, the both sides in operator side can easily contact fixing bolt, is installed to housing 10 by the position comprising corner at middle fixing plate 197 so that insulation the fixing of cast molding blocking unit becomes reliable.In addition to the both sides of operator side, bolt is set at housing 10 identically with the situation of Fig. 6 A and Fig. 6 B and passes through hole 300, so that it is guaranteed that the dismounting easiness of insulant cast molding blocking unit 228,229,230.

Embodiment 2

Even if the present embodiment provides at the solenoid operated opening and closing device that insulant cast molding blocking unit and housing carry out also easily insulant cast molding blocking unit to be dismantled and also improving in the structure that bolt is fixing insulant cast molding blocking unit and the rigidity of the contact surface of middle fixing plate across middle fixing plate.

I.e., the solenoid operated opening and closing device of the present embodiment possesses: operator, it is made up of electric magnet, this electric magnet has movable core, secured core and the coil that makes above-mentioned movable core separate with secured core or contact according to electromagnetic force configured oppositely, this electric magnet is covered by housing, and is configured at above-mentioned housing central part；And vacuum circuit breaker, it is by by drive rod, bar, the linkage that insulating bar is constituted is passed with the electromagnetic force produced by the electric magnet of aforesaid operations device driving force together to make opposite the movable electrode configured separate with fixed electrode or contact, and this vacuum circuit breaker has by the insulant cast molding blocking unit of insulant one cast molding, above-mentioned insulant cast molding blocking unit is fixed by fixing bolt across middle fixing plate with above-mentioned housing, the contact shoe side end of above-mentioned middle fixing plate and/or operator side end are upward or lower section bends.

In the present embodiment, except insulant cast molding blocking unit can be easily removed, moreover it is possible to obtain the solenoid operated opening and closing device that can improve insulant cast molding blocking unit with the rigidity of the contact surface of middle fixing plate.

Hereinafter, Figure 11 is used to explain the embodiment 2 of solenoid operated opening and closing device of the present utility model.

As shown in figure 11, in the present embodiment, the contact side end 400 of the middle fixing plate 197 of insulant cast molding blocking unit 228 is the most at right angles bent (can also bend upward) relative to the contact surface of housing 10.Other structures are same as in Example 1.

Structure according to such the present embodiment, except effect similarly to Example 1 can be obtained, contact side end 400 also by the middle fixing plate 197 in insulant cast molding blocking unit 228 arranges bending, it is possible to increase the rigidity of the contact surface of insulant cast molding blocking unit 228 and middle fixing plate 197.

Figure 12 represents the variation of embodiment 2.

In the embodiment shown in fig. 11, the only contact side end 400 of middle fixing plate 197 the most at right angles bends relative to the contact surface of housing 10, but in the present embodiment shown in Figure 12, in addition, such as on the basis of the structure of embodiment 2, as shown in figure 12, the operator side end 401 making middle fixing plate 197 the most at right angles bends (can also bend downwards) relative to the contact surface with housing 10.Other structures are same as in Example 1.

Structure according to such the present embodiment, the effect as the embodiment shown in Figure 11 can be obtained, by at right angles being bent to upside relative to the contact surface of housing 10 by the operator side end 401 of middle fixing plate 197, can improve the rigidity improving insulant cast molding blocking unit 228 with the contact surface of middle fixing plate 197.

The above embodiments 2 illustrate the example of the structure based on the structure of embodiment 1, but across middle fixing plate, insulant cast molding blocking unit and housing will be carried out the fixing structure of bolt as existing structure, the structure of embodiment 2 is added in this existing structure, self-evident, also can realize the effect improving insulant cast molding blocking unit with the rigidity of the contact surface of middle fixing plate.

It should be noted that this utility model is not limited to the above embodiments, comprise various variation.Such as, the above embodiments are described in detail in order to easily clearly state this utility model, are not limited to necessarily possess all structures illustrated.It addition, a part for the structure of a certain embodiment can be replaced into the structure of other embodiment, furthermore, it is also possible to add the structure of other embodiments in the structure of a certain embodiment.It addition, a part for the structure about each embodiment, it is possible to carry out other the adding of structure, delete, replace.

Claims (3)

1. a solenoid operated opening and closing device, it is characterised in that possess:

It is accommodated in the electromagnetic operating device of housing；

Have by the vacuum circuit breaker of the insulant integrally insulant cast molding blocking unit of cast molding；And

What the driving force from above-mentioned electromagnetic operating device was transferred to support above-mentioned vacuum circuit breaker can galvanic electricity The linkage of the movable part of pole,

Above-mentioned insulant cast molding blocking unit uses fixing bolt to be installed on across middle fixing plate State housing,

Above-mentioned middle fixing plate has the above-mentioned Electromagnetically-operating being formed at above-mentioned insulant cast molding blocking unit The first bolt that the bolt of device side and the side contrary with above-mentioned electromagnetic operating device is fixed is fixed Hole,

Above-mentioned housing has: in the opposition side with the above-mentioned electromagnetic operating device being formed at above-mentioned middle fixing plate The second bolt fixing hole of fixing of the bolt that formed of position corresponding to above-mentioned first bolt fixing hole；With And fix at above-mentioned first bolt with the above-mentioned electromagnetic operating device side being formed at above-mentioned middle fixing plate The position formation that hole is corresponding, and the bolt bigger than the external diameter of the head of above-mentioned fixing bolt is by hole,

Above-mentioned insulant cast molding blocking unit has the multiple bolt fixed parts being integrally formed in bottom, on State the part of multiple bolt fixed part have with the above-mentioned Electromagnetically-operating being formed at above-mentioned middle fixing plate The position that above-mentioned first bolt fixing hole of device side is corresponding formed and supply above-mentioned fixing bolt to engage first Through hole, another part of above-mentioned multiple bolt fixed parts has in the opposition side with above-mentioned electromagnetic operating device Position corresponding to above-mentioned first bolt fixing hole form and supply the second through hole that above-mentioned fixing bolt engages.

Solenoid operated opening and closing device the most according to claim 1, it is characterised in that

It is solid that above-mentioned middle fixing plate is set to the centre that the three-phase of above-mentioned insulant cast molding blocking unit shares Determine plate,

The above-mentioned electromagnetic operating device side of above-mentioned housing both sides be formed at above-mentioned middle fixing plate The position that above-mentioned first bolt fixing hole of above-mentioned electromagnetic operating device side is corresponding is formed with the 3rd bolt and fixes Hole.

3. a solenoid operated opening and closing device, possesses: the operator being made up of electric magnet, this electric magnet There is movable core, the secured core configured oppositely and make above-mentioned movable core with solid according to electromagnetic force Fixed core separates or the coil of contact；And vacuum circuit breaker, this vacuum circuit breaker by by drive rod, The linkage that bar, insulating bar are constituted, makes the movable electrode configured and fixed electrode by adjoint oppositely Separated by the driving force of the electromagnetic force of the electric magnet generation of aforesaid operations device or contacted, and have by insulating Thing one cast molding insulant cast molding blocking unit, above-mentioned insulant cast molding blocking unit with Above-mentioned housing is fixed by fixing bolt across middle fixing plate, and the feature of above-mentioned solenoid operated opening and closing device exists In,

It is formed with bolt fixing hole at above-mentioned middle fixing plate, and to cover above-mentioned insulant cast molding resistance The mode of the lower periphery in disconnected portion is provided with bolt fixed part, is formed and above-mentioned bolt at this bolt fixed part The hole that fixing hole is identical, and above-mentioned fixing bolt through above-mentioned middle fixing plate above-mentioned bolt fixing hole also The hole of through above-mentioned bolt fixed part,

It is solid that above-mentioned middle fixing plate is set to the centre that the three-phase of above-mentioned insulant cast molding blocking unit shares Determine plate.