CN1254896C - Switchboard - Google Patents
Switchboard Download PDFInfo
- Publication number
- CN1254896C CN1254896C CN 03143644 CN03143644A CN1254896C CN 1254896 C CN1254896 C CN 1254896C CN 03143644 CN03143644 CN 03143644 CN 03143644 A CN03143644 A CN 03143644A CN 1254896 C CN1254896 C CN 1254896C
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- slide block
- face
- mounting panel
- buckling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Distribution Board (AREA)
- Breakers (AREA)
Abstract
Provided is a distribution board which enables breakers to be individually mounted and removed easily. For the main piece 31 of a mounting plate 30, an inverted L projecting piece 36 in cross section is extended to the front side, and many inverted L hooking claws 37 which can be inserted into catching holes made at the end face on input side of a branch breaker 7 are extended from the top edge of the main piece 31. Moreover, in the short direction of the main piece 31, the distance between the hooking claw 37 and the projecting piece 36 is set so that the projecting piece 37 may be locked by a slider 74 facing an engaging groove 72, in condition that the hooking claw 37 is inserted and locked in the catching hole 77. A plurality of elastic slip-stop members 130a, on which the end face on input side of the branch breaker 7 abuts, are arranged on the lower front side of the mounting plate 30.
Description
Technical field
The present invention relates to a kind of distribution board that the circuit breaker of DIN standard has been installed.
Background technology
This distribution board is opened existing narration on the 2001-28810 communique the spy.This communique chat and distribution board, as Figure 15～shown in Figure 17, in case body 10, disposing the so-called DIN guide rail 40 that is used to install inner body.The cross sectional shape of DIN guide rail 40 is FangZi Zhuan and prolongs to be provided with to the direction that is separated from each other from each front-end edge of bipod sheet and stretches out sheet 41,41.Therewith accordingly, be installed in the branch circuit breaker 7 on the DIN guide rail 40, be formed with the embedded groove 72 of the part that can embed DIN guide rail 40 in the back of its body, on one medial surface of embedded groove 72, be formed with the locking groove 73 that sheet 41 moves that stretches out that can stop DIN guide rail 40 1 sides, another medial surface of embedded groove 72 be provided with can be in embedded groove 72 free telescopically outstanding, can stop DIN guide rail 40 the opposing party stretch out the slide block (not shown) that sheet 41 moves, thereby DIN guide rail 40 is fixing.In addition, as the structure that can be installed on the DIN guide rail 40, main circuit breaker 6 is also the same with branch circuit breaker 7, has embedded groove, locking groove and slide block.By the way, this slide block is opened existing narration in flat 8-138517 number the patent gazette spy.In this communique, shown in Figure 18 and 19, back at main circuit breaker 6 ', has embedded groove 62, one the locking groove that stretches out sheet 41 63 that has stop DIN guide rail 40 on the medial surface of embedded groove 62, on another medial surface of embedded groove 62, the slide block that stretches out sheet 41 64 of other end that can give prominence to, stop DIN guide rail 40 is being set then with freely advancing and retreat.
Be arranged on each branch circuit breaker 7 in the described case body 10, its input terminal 79a is connected with contact rod 100 ' respectively, and contact rod 100 ' is connected with the power output terminal 69d of main circuit breaker 6 by mains side feed line 97 again.In addition, the lead-out terminal 69c of the ground connection side of main circuit breaker 6, ground connection side feed line 97 connections that are connected with electric wire connecting portion 81b in the case body 10, thereby when powering load, when load is connected with the input terminal 79b of branch circuit breaker 7, also be connected with electric wire connecting portion 81a, 81b.
In addition, in above-mentioned distribution board, owing to be main circuit breaker 6 and branch circuit breaker 7 is fixing with DIN guide rail 40, so with each circuit breaker 6,7 when DIN guide rail 40 unloads, must operate slide block makes slide block remove from the stretching out the sheet 41 of a side of DIN guide rail 40, and under the state that lifts from DIN guide rail 40 of the side that slide block will be arranged in the back of body, circuit breaker 6,7 is moved to the direction that the opposing party who removes DIN guide rail 40 stretches out sheet 41.
But, owing to be to adopt a contact rod 100 ' that input terminal (power supply side terminal) 79a of each branch circuit breaker 7 is connected, so when unloading branch circuit breaker 7 separately respectively, contact rod 100 ' has hindered unloading of branch circuit breaker 7, unload operational difficulty and make, in addition, when being installed to branch circuit breaker 7 on the DIN guide rail 40 once more, contact rod 100 ' also becomes obstacle, makes branch circuit breaker 7 difficulties are installed separately respectively.
In addition, be connected with on the terminal of branch circuit breaker 7 under the situation of electric wire, make slide block remove owing to must operate slide block from the stretching out the sheet 41 of a side of DIN guide rail 40, and under the state that lifts from DIN guide rail 40 of the side that slide block will be arranged in the back of body, circuit breaker 6,7 is moved, so can cause the distortion of electric wire to the direction that the opposing party who removes DIN guide rail 40 stretches out sheet 41.At this moment, when used unloading of branch circuit breaker 7 difficulty that becomes that makes because of electric wire is not yielding when being thicker electric wire, even made electric wire produce distortion, but also need to make the state before electric wire returns to distortion when once more branch circuit breaker 7 being installed, therefore, the operation of independent respectively dismounting branch circuit breaker 7 bothers very much.
Summary of the invention
The present invention be directed to the problems referred to above and propose, its purpose is to provide a kind of distribution board that can distinguish independent dismounting circuit breaker easily.
In order to achieve the above object, the present invention's 1 described invention comprises: be formed with the embedding slot part that can embed the DIN guide rail at the back back side of body and be equipped with in an end face side of the long side direction of body and be formed with a plurality of circuit breakers that buckle the hole in the other end of body in can the slide block that advance and retreat are freely outstanding in embedding slot part; Be formed with and buckle buckling in buckling the hole and be formed with in the pawl will buckling pawl and buckle under the state that is buckling in the hole stretching out sheet and the mounting panel of a plurality of circuit breakers is installed by the slide block stoppable; And will be installed in the contact rod that connects between the terminal of described other end side of a plurality of circuit breakers on the mounting panel.Mounting panel is provided with, and makes circuit breaker to can't be from stretching out sheet and buckle the position that pawl is deviate from, the elasticity drop-proof component that contacts with a described end face of circuit breaker by buckling pawl when withdrawing from the direction that buckles the hole and moving, slide block and buckling the hole.Owing to make circuit breaker to can't be from stretching out sheet and buckling the position that pawl is deviate from by buckling pawl when withdrawing from the direction that buckles the hole and moving, slide block and buckling the hole, the elasticity drop-proof component contacts with a described end face of circuit breaker, as long as just unclamp and to unload circuit breaker respectively separately so will be connected terminal on the contact rod, in addition, can distinguish separately and install, therefore, make the dismounting of circuit breaker become easy.
The present invention's 2 described inventions, be on the basis of the present invention's 1 described invention, described elasticity drop-proof component, have: a pair of sheet that is adjacent to that contacts with a described end face of described circuit breaker in the both sides of described slide block, be connected this a pair of be adjacent to sheet, with the brace of the back subtend of slide block.Thereby, because a pair of sheet that is adjacent to contacts with a described end face of described circuit breaker in the both sides of described slide block, thus can reduce the described circuit breaker that is installed on the described mounting panel crash move, described circuit breaker can be fixedly mounted on the described mounting panel.
The present invention's 3 invention, be on the basis of the present invention's 2 invention, described brace is provided with, at the releasing face that contacts, makes a described end face side of described circuit breaker to separate from described mounting panel with the back of described slide block when being operated by described direction of stretching out the sheet releasing described slide block.Thereby, when with described slide block to from described when stretching out the direction operation that sheet removes the back of described slide block climb up releasing face, a described end face side of described circuit breaker is deviate from, by described mounting panel so the operation that described circuit breaker is unloaded from described mounting panel becomes easy.
The present invention's 4 invention is on the basis of the present invention's 3 invention, and described releasing face is along with the described end face from described circuit breaker gradually leaves, height and position from the front of described mounting panel can raise ground gradually, at a slant.Thereby, with described slide block to stretching out direction that sheet removes when moving, on the releasing face that can climb gradually by described, can reduce making described slide block to by described direction that sheet the removes power when moving of stretching out, be more prone to so the operation that described circuit breaker is unloaded from described mounting panel becomes.
Description of drawings
Fig. 1 is the sectional view of the distribution board of embodiment.
Fig. 2 is the exploded perspective view of above-mentioned distribution board.
Fig. 3 is the cutaway view of above-mentioned distribution board.
Fig. 4 is the front elevation of lid of dismantling in the above-mentioned distribution board.
Fig. 5 is the exploded perspective view of the major part of above-mentioned distribution board.
Fig. 6 is the exploded perspective view of critical piece in the above-mentioned distribution board.
Fig. 7 is the key diagram of the method on the contact rod that in the above-mentioned distribution board insulating cover is installed to.
Fig. 8 is the key diagram of the method on the contact rod that in the above-mentioned distribution board insulating cover is installed to.
Fig. 9 is the local critical piece front elevation that amplifies of above-mentioned distribution board.
Figure 10 is the cutaway view of critical piece in the above-mentioned distribution board.
Figure 11 is a key diagram of dismantling the method for branch circuit breaker in the above-mentioned distribution board from mounting panel.
Figure 12 is a key diagram of dismantling the method for branch circuit breaker in the above-mentioned distribution board from mounting panel.
Figure 13 is the key diagram of the collocation method of 2P branch circuit breaker in the above-mentioned distribution board.
Figure 14 is the key diagram of the collocation method of 2P branch circuit breaker in the above-mentioned distribution board.
Figure 15 is the cutaway view of the distribution board of expression prior art.
Figure 16 is the side sectional view of above-mentioned distribution board.
Figure 17 is the critical piece front elevation of above-mentioned distribution board.
Figure 18 is the stereogram of the circuit breaker of another prior art.
Figure 19 is the stereogram of above-mentioned circuit breaker.
Among the figure: the 7-branch circuit breaker; The 30-mounting panel; The 31-main leaf; 36-stretches out sheet; 37-buckles pawl; 72-embeds slot part; The 74-slide block; The 100-contact rod; 101-rod body; 102-branch brace; 103a-elasticity drop-proof component.
Embodiment
Below, consult Fig. 1～Figure 14, the distribution board of present embodiment is set forth.
Make the distribution board of present embodiment,, a main circuit breaker 6 and a plurality of branch circuit breaker 7 as inner body, are configured in the casing 1 as Fig. 1～shown in Figure 3.Main circuit breaker 6 and a plurality of branch circuit breaker 7 are arranged in delegation by short side direction.Casing 1 is made of with the case body 10 of metal manufacturing with the form of the opening of stuffer box body 10 and the lid 20 that case body 10 combines front openings.In addition, case body 10 is embedded in the walls such as wall.
And in Fig. 4, the auricle 33 in left side below installing hole 34, produces fixing screw hole 35; The auricle 33 on right side then above installing hole 34, produces fixing screw hole 35.After two hold-down screws 52,52 are screwed into these two fixing screw holes 35,35, just cover plate 20 can be installed on the case body 10.
On the other hand, respectively greater than the corresponding size of case body 10, and the cover 21 that combines after being fixed on the mounting panel 30 by hold-down screw 52,52 and the wicket 22 that hereinafter will describe in detail constitute cover plate 20 by the overall dimension of above-below direction and left and right directions.Here, the central portion in cover 21 fronts is formed with and compares the recess 23 of depression backward with periphery.The central portion of recess 23 caves in backward again, forms recess 24.In the inside of recess 24, a rectangular-shaped window 25 is arranged, the part of inside bodies such as main circuit breaker 6 and branch circuit breaker 7 is exposed.In addition, can pass the location hole 26,26 of described hold-down screw 52,52 in addition at the two ends, the left and right sides of the inside of the recess 23 of cover 21.In order not interfere, on each supporting pieces 13,13 of case body 10, also made otch 13a with hold- down screw 52,52.
It is enough big that the opening size of window 25 is designed to be, thereby the main circuit breaker 6 and a plurality of branch circuit breaker 7 handle 6a, the 7a separately that are installed on the mounting panel 30 can both be exposed.Described wicket 22 is installed on the described cover 21 with axle, thereby can freely open and close between the position of position that covers recess 23 and open recess 23.In addition, the design of the axial region of wicket 22 is in the part of the upper end of left and right sides face when this wicket is shut.
Cover on the position of recess 23 at wicket 22, the front of the front of wicket 22 and cover 21 is in same plane basically.And on the position of wicket 22 open recesses 23, can operate handle 6a, the 7a of each circuit breaker 6,7.In addition, become open mode from closed condition easily,, latch protrusion 27 (consulting Fig. 1) is being set also, the lock bolt 28 (consulting Fig. 1) of accepting projection 27 then is being set on cover 21 in the back of wicket 22 from an axial region end far away in order to prevent wicket 22.This lock bolt 28 adopts well-known mechanism, promptly click the bottom of wicket 22 after, latch protrusion 27 just is inserted into, thereby latch protrusion 27 can not be taken off and lock, click the bottom of wicket 22 again, projection 27 is pushed when unclamping behind the lock bolt 28, locking state promptly is disengaged.
In addition, the branch circuit breaker 7 that is installed on the mounting panel 30 is circuit breakers of 1P (one pole) type, and the size of the body 70 of branch circuit breaker 7 is formed for example unit sizes size of illuminated diagram switch board treaty wiring circuit breaker.And the size of the body 60 of formed main circuit breaker 6 then is the size (sizes of 2 1P) of the twice of above-mentioned unit sizes size.Be the body 60 of main circuit breaker 6, on Width, can put the body 70 of the branch circuit breaker of two 1P types.In addition, hereinafter the branch circuit breaker 7 ' that will narrate (consulting Figure 13 and Figure 14) is the circuit breaker of 2P (2 utmost point) type, and the body 60 of the size of its body 70 and main circuit breaker 6 is the same, is 2 times of above-mentioned unit sizes size.
On the other hand, main leaf 31 on the mounting panel 30, with the form that the front lateral incision is dug, what formed that the cross section is the shape of falling L stretches out sheet 36.Stretch out the position that sheet 36 is cut open, become the openning 31a of rectangular shape.And, on mounting panel 30,, prolong the pawl 37 that buckles that a plurality of fonts of falling L are being set and (consult Fig. 5 from the edge, upper end of main leaf 31, Figure 10 and Figure 13), what buckle that pawl 37 can insert the end face that is formed on each circuit breaker 6,7,7 ' input side buckles hole 77 (consulting Figure 10 and Figure 13).On the long side direction of main leaf 31, the spacing that buckles pawl 37 equates, in addition, as shown in figure 10, on the short side direction of main leaf 31, buckle pawl 37 and become, insert when buckling in the hole 77, stretch out that sheet 36 arrives in the embedded grooves 72 and can be by slide block 74 stop by stop when buckling pawl 37 with the distance setting that stretches out between the sheet 36.And, in the front of mounting panel 30 bottoms one side, disposing the elasticity stop block 130 that synthetic resin is made.This elasticity stop block 130 is formed by connecting according to left and right directions by a plurality of elasticity drop-proof component 130a of adjacent circuit breaker (main circuit breaker 6 branch circuit breakers 7,7 ') outlet side end face.
Here, as Fig. 5, Fig. 9 and shown in Figure 10, elasticity drop-proof component 130a has a pair of 131, the 131 and braces 132 of sheet that are adjacent to.The former nestles up the end face (below among Fig. 9 being) of the outlet side of branch circuit breaker 7 in the both sides of the slide block 74 of branch circuit breaker 7.The latter connects this a pair of sheet 131,131 and relative with the back of slide block 74 that is adjacent to.Therefore, because on branch circuit breaker 7 Widths, a pair of sheet 131,131 that is adjacent to is close to the end face of the outlet side of branch circuit breaker 7 in the both sides of slide block 74, so can reduce branch circuit breaker 7 crash moving, branch circuit breaker 7 can be installed on the mounting panel 30 securely.In addition, as Figure 11 and shown in Figure 12, owing on brace 132, formed the releasing face 133 that tilts, thereby branch circuit breaker 7 is being stretched out the state (consulting Fig. 9 and Figure 10) of sheet 36 when the direction of removing (being down) is mobile from slide block 74 stop among Fig. 9, can be close to the back of slide block 74 and make branch circuit breaker 7 on long side direction, keep slide block 74 that side end face from the main leaf 31 of mounting panel 30 separately, so pull down the operation of branch circuit breaker 7 from mounting panel 30 just easy.And, releasing face 133, its end face apart from branch circuit breaker 7 is far away, and then its height and position of counting from the surface of mounting panel 30 is just higher, inclined.So with branch circuit breaker 7 towards with slide block 74 when the direction of stretching out sheet 36 and removing moves, releasing face 133 just gently lifts, thereby make slide block is reduced towards the strength that moves from the direction of stretching out sheet 36 releasings, branch circuit breaker 7 is more prone to from the operation that mounting panel 30 removes.
Therefore, buckle buckling in the hole 77 by buckling pawl 37 at branch circuit breaker 7, and will stretch out sheet 36 stop by slide block 74, thereby branch circuit breaker 7 can be installed on the mounting panel 30 easily, in addition, by with branch circuit breaker 7 to slide block 74 is moved from the direction of stretching out sheet 36 and removing, branch circuit breaker 7 can be pulled down from mounting panel 30 easily.In addition, also adopt identical method, it can be installed on the mounting panel 30 or from mounting panel 30 easily pull down for above-mentioned main circuit breaker 6 and branch circuit breaker 7 '.
Each input terminal 79a of each branch circuit breaker 7 is connected with the contact rod 100 that is electrically connected with the mains side lead-out terminal 69d of main circuit breaker 6 by mains side feed line 97.
On the side plate 12 of the side plate 12 of the upside of case body 10 and downside, be set up in parallel the breaking off with the fingers and thumb of a plurality of toroidals that to excise by left and right directions and removing portion 16, thereby electric wire is passed cut away on demand breaks the formed routing holes in 16 backs except that portion off with the fingers and thumb.Will be from the outside of case body 10 by described routing hole and the power lines in the leading-in box body 10 are connected with the mains side input terminal 69a of main circuit breaker 6.Earth connection is connected the earth connection in ground connection side input terminal 69b and the leading-in box body 10 too.Here, the ground connection side input terminal 69a of main circuit breaker 6, well-known, have: can put into the terminal component (not shown) that body 60 interior cross sections are square shape; Spiral shell injects last slice the trip bolt 66 (consulting Fig. 4) of terminal component; And the terminal board (not shown) of being close to trip bolt 66 lower ends.After the front end of screwdriver etc. inserted the handle hole 68 (consulting Fig. 5) of body 60 fronts, rotation trip bolt 66 can change the distance between following of terminal component and the terminal board.
Therefore, by running through the connecting hole 65 (consulting Fig. 5) of body 60 perisporiums, the wiring material of electric wire and busbar and so on is inserted between terminal component and the terminal board, rotation trip bolt 66, following that makes terminal component near terminal board, wiring material is sandwiched between terminal component and the terminal board, realizes being electrically connected.In addition, the mains side input terminal 69b of main circuit breaker 6, ground connection input terminal 69c, the structure of power input terminal 69d is the same with ground connection side input terminal 69a.And, the input terminal 79a of branch circuit breaker 7 and the structure that goes out terminal the 79b also structure with the mains side input terminal 69b of main circuit breaker 6 are the same, by running through the connecting hole 75 (consulting Fig. 5) of body 70 perisporiums, the wiring material of electric wire and busbar and so on is inserted between terminal component and the terminal board, rotation trip bolt 76, make following of terminal component wiring material is sandwiched between terminal component and the terminal board, realize being electrically connected near terminal board.
Contact rod 100 has the tabular excellent body 101 of bar shaped and from branch's brace 102 of a plurality of L fonts of a side-prominent setting of the short side direction (Width) of excellent body 101.Here, branch's brace 102 is by conjuncted and form along the brace 102a of the short side direction setting of excellent body 101 and the insertion terminal plate 102b that prolonging from the front end edge of brace 102a along the direction perpendicular to brace 102a.Therefore, insert terminal plate 102b, prolonging towards direction perpendicular to brace 102a, thus relative with main leaf 31 on the mounting panel 30.And, on branch's brace 102, in order to cut off this branch's brace 102 and the cut-out groove 103 that processes from excellent body 101, just be arranged on excellent body 101 near.About cutting off groove 103, we hereinafter retell.In the present embodiment, branch's brace 102 extends setting from an end of the Width of excellent body 101, thereby has constituted the branch's connecting portion that is connected with the input terminal of branch circuit breaker 7.Cut off 103 of grooves and constitute auxiliary cut-out portion.
In addition, as Fig. 5 and shown in Figure 6, the end at the long side direction of the excellent body 101 of contact rod 100 is being provided with terminal plate 104 towards the direction opposite with inserting terminal plate 102b, on terminal plate 104, has formed the terminal hole 105 that terminal screw 107 is inserted.Therefore, after the terminal screw 107 and the nut 108 of the bottom of the recess 81 that is arranged on relaying terminal board 90 tightened, the feed line 97 of mains side is electrically connected with contact rod 100 realizations.In addition, the left side and the downside of the relaying terminal board 90 in Fig. 4 are open state.And connecting on the platform 90, pacifying wicket 93, can and cover between the position (consulting Fig. 5) of front of terminal screw 107 in the position (consulting Fig. 6) of the front of open terminal screw 107 and open and close freedom.
Near the side plate 12 of the upside of the inside of case body 10, terminal board 80 is being set, so that connect from the electric wire of each circuit breaker 6,7, inner body such as 7 ' and from the electric wire of outside.
On the pedestal 80a of the terminal board made from synthetic resin 80, long side direction as left and right directions, is arranged elongated two electric wire connecting portions (terminal board) 81a, the 81b that is made of electric conducting material is being set with insulating properties.In the front of electric wire connecting portion 81a, 81b, a plurality of screw (not shown)s that are screwed into terminal screw 85 are being arranged according to long side direction (left and right directions).Below electric wire connecting portion 81a, 81b, be provided with a plurality of cloth line pluging handhole (not shown)s that are communicated with one to one with each screw.In terminal board 80, behind wiring materials such as electric wire insertion cloth line pluging handhole, tighten the terminal screw 85 of the screw corresponding with this cloth line pluging handhole, wiring material is connected with electric wire connecting portion 81a, 81b.And, use case body 10 about the upper end of supporting pieces 13,13 between attachment screw 53,53 (consulting Fig. 4), after terminal board 80 set up, be arranged on central portion front one side of central portion than the securing member 120 of both ends depression.Also have, use hold-down screw 86, a side power supply connecting portion 81a is installed on the securing member 120 with pedestal 80, and by securing member 120, with case body 10 ground connection.In addition, the opposing party's electric wire connecting portion 81b is then with case body 30 electric insulations.In addition, in case body 10, the power line (not shown) of introducing from the outside is connected with the mains side input terminal 69b of main circuit breaker 6.Ground connection side lead-out terminal 69c then is connected with electric wire connecting portion 71b by ground connection side feed line 69.The mains side lead-out terminal 69d of main circuit breaker 6 then by mains side feed line 97, is connected with contact rod 100.Contact rod 100 is connected with input terminal (power supply side terminal) 79a of branch circuit breaker 7 again.Like this, between each terminal screw 85 of lead-out terminal (load side terminal) 79b of each branch circuit breaker 7 and power supply connecting portion 81b, be connected load.In addition, the earth connection from load then connects with the electric wire connecting portion 81a of case body 10 ground connection.
Ground connection side feed line 96, from the left side of Fig. 4, get around to the right in the inboard of the embedding slot part of the back by each circuit breaker 6,7.Here, as shown in Figure 8, the external diameter H1 of ground connection side feed line 96 is after on the main leaf 31 that main circuit breaker 6 and branch circuit breaker 7 is installed to mounting panel 30, little to the size H2 of the inner bottom surface of embedded groove from the front of main leaf 31.And, on the order difference part 32 that is provided with from the two ends of the main leaf 31 of mounting panel 30, have the notch 38 (consulting Fig. 5) that is communicated with openning 31a on the main leaf 31.With each main circuit breaker 6,7 be installed to main leaf 31 after, this notch 38 switches to and each circuit breaker 6, the height and position that the inner bottom surface of 7 embedded groove is identical, so can pass through ground connection side feed line 96, if adopt ground connection side feed line touched each circuit breaker 6, the form wiring of the inner bottom surface of 7 embedded groove, ground connection side feed line 96 just can not expose from the back of the main leaf 31 of mounting panel 30 so, the electric wire that employing will be drawn with the branch that each lead-out terminal 79b of each branch circuit breaker 7 is connected is in the form of passing between the postnotum 11 of the back of main leaf 31 and case body 10 during to each input terminal 79a wiring of branch circuit breaker 7, just can not be subjected to the overslaugh of ground connection side feed line 96, thereby make branch become very easy with the wiring operation of electric wire.
In the present embodiment, will be as branch's brace 102 of branch's connecting portion, (branch's brace inserts connecting hole 75 to be connected the back with the input terminal 79a of each branch circuit breaker 7, tighten the state behind the trip bolt 76 again), the insulating cover 110 that covers branch's brace 102 exposed portions serve is installed on the excellent body 101 of contact rod 100.Here, the size of insulating cover 110 left and right directions is set at covers a plurality of branches brace 102 once, in the present embodiment, use 3 insulating covers 110 to be covered with 14 branch's braces 102.
The part that links to each other with excellent body 101 at branch's brace 102, owing to formed cut-out groove 103 (consulting Fig. 5 and Figure 10), just can on the position that cuts off groove 103, cut off obsolete branch brace 102 in the contact rod 100 easily with described auxiliary cutting action.And, on insulating cover 110, because the otch 113 that forms along branch's brace 102, extends to and cuts off the roughly the same position of groove 103 always, so can be in the corresponding part of branch's brace of cutting off easily on the position that cuts off groove 103 in the insulating cover 110 and cutting off 102.After pulling down several 1P type branch circuit breakers 7 from mounting panel 30, when Figure 13 and the sort of 2P type branch circuit breaker shown in Figure 14 7 ' are installed, shown in above-mentioned each figure, as long as cut off in two input terminals with 2P type branch circuit breaker 7 ' the corresponding branch's brace 102 of input terminal with contact rod 100 connections, cut off the part corresponding in the insulating cover 110 with this branch's brace, form and insert groove 116, just can be by the slotting groove of formation on the insulating cover 110, make easily the input terminal that is not connected and other conductors with contact rod 100 for example electric wire 98 grades be connected.Generally speaking, at the distribution board of present embodiment, make that to become the operation of 2P type branch circuit breaker 7 ' by 1P type branch circuit breaker 7 quite easy.
In addition, as mentioned above, contact rod 100 has the branch's brace 102 that extends setting from an end of the Width of excellent body 101, insulating cover 110 has that the cross section of installing with the form of the other end of the Width of seizing excellent body 101 on both sides by the arms is the installation portion 111 of Contraband font and from installation portion 111, can freely rotate, and be stopped at cover body 112 on the end face of a described end of excellent body 101.Thereby, as shown in Figure 8, be installed to the installation portion 111 of insulating cover 110 on the excellent body 101 after, cover body is rotated by the counter clockwise direction among this figure, shown in just can image pattern 7 like that, make cover body 112 cover the surface of contact rod 100, and be stopped on the excellent body 101 of contact rod 100.Therefore,, insulating cover 110 can be installed later on, the operation that insulating cover 110 is installed on the contact rod 100 is more prone to under contact rod 100 and the state that branch circuit breaker 7 is connected.In addition, on cover body 112, an engagement protrusion 115 and a retaining reinforcement 114 are set integratedly.Engagement protrusion 115 is stopped between adjacent branch's brace 102, and a retaining reinforcement 114 contacts with excellent body 101.
In addition, in the distribution board of present embodiment, owing to contact rod 100 is arranged to the mutually perpendicular state in front of the main leaf 31 of the Width of excellent body 101 and mounting panel 30.So from front one side of case body 10, contact rod 100 reduces from the overhang of branch circuit breaker 7, helps the miniaturization of case body 10.Above-below direction in Fig. 4 can make the overall dimension of case body 10 littler than former product shown in Figure 17 in other words.
The present invention's 1 described invention comprises: be formed with the embedding slot part that can embed the DIN guide rail at the back back side of body and be equipped with in an end face side of the long side direction of body and be formed with a plurality of circuit breakers that buckle the hole in the other end of body in can the slide block that advance and retreat are freely outstanding in embedding slot part; Be formed with and buckle buckling in buckling the hole and be formed with in the pawl will buckling pawl and buckle under the state that is buckling in the hole stretching out sheet and the mounting panel of a plurality of circuit breakers is installed by the slide block stoppable; And will be installed in the contact rod that connects between the terminal of described other end side of a plurality of circuit breakers on the mounting panel.Mounting panel is provided with, and makes circuit breaker to can't be from stretching out sheet and buckle the position that pawl is deviate from, the elasticity drop-proof component that contacts with a described end face of circuit breaker by buckling pawl when withdrawing from the direction that buckles the hole and moving, slide block and buckling the hole.Owing to make circuit breaker to can't be from stretching out sheet and buckling the position that pawl is deviate from by buckling pawl when withdrawing from the direction that buckles the hole and moving, slide block and buckling the hole, the elasticity drop-proof component contacts with a described end face of circuit breaker, as long as just unclamp and to unload circuit breaker respectively separately so will be connected terminal on the contact rod, in addition, can distinguish separately and install, therefore, has the dismounting that the makes circuit breaker easy effect that becomes.
The present invention's 2 described inventions, be on the basis of the present invention's 1 described invention, described elasticity drop-proof component, have: a pair of sheet that is adjacent to that contacts with a described end face of described circuit breaker in the both sides of described slide block, be connected this a pair of be adjacent to sheet, with the brace of the back subtend of slide block.Thereby, because a pair of sheet that is adjacent to contacts with a described end face of described circuit breaker in the both sides of described slide block, so can reduce the described circuit breaker that is installed on the described mounting panel crash moving, have the effect that described circuit breaker can be fixedly mounted on the described mounting panel.
The present invention's 3 invention, be on the basis of the present invention's 2 invention, described brace is provided with, at the releasing face that contacts, makes a described end face side of described circuit breaker to separate from described mounting panel with the back of described slide block when being operated by described direction of stretching out the sheet releasing described slide block.Thereby, when with described slide block to from described when stretching out the direction operation that sheet removes the back of described slide block climb up releasing face, a described end face side of described circuit breaker is deviate from by described mounting panel, so have the operation that described circuit breaker is unloaded from the described mounting panel easy effect that becomes.
The present invention's 4 invention is on the basis of the present invention's 3 invention, and described releasing face is along with the described end face from described circuit breaker gradually leaves, height and position from the front of described mounting panel can raise ground gradually, at a slant.Thereby, with described slide block to stretching out direction that sheet removes when moving, on the releasing face that can climb gradually by described, can reduce making the power of described slide block when moving, so have the effect that the operation that described circuit breaker is unloaded from described mounting panel becomes and is more prone to by described direction of stretching out the sheet releasing.
Claims (4)
1. distribution board, it is characterized in that: comprising: a plurality of circuit breakers, wherein each circuit breaker be formed with at the back back side of breaker body the embedding slot part that can embed the DIN guide rail and an end face side of the long side direction of breaker body be equipped with can be in embedding slot part the freely outstanding slide block of advance and retreat, buckle the hole and be formed with in the other end of breaker body;
Mounting panel, it is formed with and can buckles buckling in buckling the hole and be formed with in the pawl will buckling pawl and buckle stretching out sheet and a plurality of circuit breakers are installed by the slide block stoppable under the state that is buckling in the hole; And
Contact rod, it will be installed between the terminal of described other end side of a plurality of circuit breakers on the mounting panel and connect,
Mounting panel is provided with the elasticity drop-proof component that contacts with a described end face of circuit breaker, so that make circuit breaker to can't be from stretching out sheet and buckle pawl by buckling pawl when withdrawing from the direction that buckles the hole and moving, slide block and buckling the hole.
2. distribution board as claimed in claim 1, it is characterized in that: described elasticity drop-proof component, have: a pair of sheet that is adjacent to that contacts with a described end face of described circuit breaker in the both sides of described slide block, be connected this a pair of be adjacent to sheet, with the brace of the back subtend of slide block.
3. distribution board as claimed in claim 2, it is characterized in that: described brace is provided with, at the releasing face that contacts, makes a described end face side of described circuit breaker to separate from described mounting panel with the back of described slide block when being operated by described direction of stretching out the sheet releasing described slide block.
4. distribution board as claimed in claim 3 is characterized in that: described releasing face, away from a described end face of described circuit breaker, its height and position from the front of described mounting panel raises gradually, and is inclined along with gradually.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002218990 | 2002-07-26 | ||
| JP2002218990A JP4211309B2 (en) | 2002-07-26 | 2002-07-26 | Distribution board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1489250A CN1489250A (en) | 2004-04-14 |
| CN1254896C true CN1254896C (en) | 2006-05-03 |
Family
ID=31939999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03143644 Expired - Fee Related CN1254896C (en) | 2002-07-26 | 2003-07-28 | Switchboard |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4211309B2 (en) |
| CN (1) | CN1254896C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332839A (en) * | 2014-11-12 | 2015-02-04 | 国家电网公司 | Safety electrical distribution box |
| JP6366533B2 (en) * | 2015-03-30 | 2018-08-01 | テンパール工業株式会社 | Distribution board |
| CN112106165B (en) * | 2018-05-15 | 2022-11-11 | 三菱电机株式会社 | Circuit breaker |
-
2002
- 2002-07-26 JP JP2002218990A patent/JP4211309B2/en not_active Expired - Fee Related
-
2003
- 2003-07-28 CN CN 03143644 patent/CN1254896C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1489250A (en) | 2004-04-14 |
| JP4211309B2 (en) | 2009-01-21 |
| JP2004064867A (en) | 2004-02-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107305992B (en) | DIN rail apparatus mounting assembly including locking mechanism, system and method | |
| EP1255660B1 (en) | Fuel cell and control unit in a detachable housing | |
| CN1776981B (en) | Housing arrangement with at least two connection box | |
| US20080164130A1 (en) | Electromechanical Switching Device | |
| US20050057333A1 (en) | Circuit breaker lug cover and gasket | |
| CN1042266A (en) | Be applicable to protective device by a plurality of removable switching devices that modular component constituted | |
| CN1650480A (en) | Cable connector latch assembly | |
| CN1252887C (en) | Distribution board | |
| EP1818964B1 (en) | Fuse rail with lateral outlet contacts and lateral adapter module | |
| CN101060045A (en) | Protecting switch for manual operation | |
| CN1254896C (en) | Switchboard | |
| US4072379A (en) | Electric power distributing apparatus | |
| CN1249762C (en) | Additional terminal block of circuit breaker | |
| CN1364303A (en) | Auxiliary switch mounting configuration for use in molded case circuit breaker | |
| CN2406378Y (en) | Electric plug | |
| CN1178334C (en) | Terminal unit for electric equipment | |
| CN1147162A (en) | Joint Terminal | |
| CN1757141A (en) | Telecommunications module | |
| CN1645700A (en) | Unit for shunting current from bus bars | |
| DE102005023452A1 (en) | Mounting and wiring system for electrical function modules, especially for switchgear, has profile rail designed so electrical function module can be attached in any position in longitudinal direction of rail | |
| CN115401641A (en) | Adjustable warning sign mounting tool | |
| CN210325662U (en) | Power supply connecting mechanism and molded case circuit breaker | |
| CN101325287B (en) | Electrical connection terminal and electrical protection device comprising such a terminal | |
| JP2791320B2 (en) | Contact body for preceding ground | |
| CN108306178B (en) | Hot-plug low-voltage switchgear assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060503 Termination date: 20210728 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |