CN1230813A

CN1230813A - Junction box

Info

Publication number: CN1230813A
Application number: CN98117392A
Authority: CN
Inventors: 渋江伸之; 饭田修士
Original assignee: Matsushita Electric Works Ltd
Current assignee: Panasonic Electric Works Co Ltd
Priority date: 1998-03-26
Filing date: 1998-08-27
Publication date: 1999-10-06
Anticipated expiration: 2018-08-27
Also published as: KR100327896B1; KR19990076507A; TW421347U; HK1021261A1; JP3456142B2; CN1159807C; JPH11285134A

Abstract

To provide a junction box by which the workability of a wiring process can be improved. The housing 1 of a junction box is composed of a body 1a and a cover 1b. Power supply line connections 2 are formed in the facing two surfaces of the housing 1 respectively at approximately central positions. A pair of branch line connections 3 are formed on both the sides of each power supply line connections 2. The power supply line connections 2 has a quick connect terminal parts 28 constituted of terminal plates 7 and locking springs 8. A release button 9 for releasing the wire connection state of the quick connect terminal part 28 is provided to have its operating part 9a exposed to the surface of the housing. Furthermore, a circuit indication part 41 which indicates the circuit diagram of the internal circuit and names indicating parts 42a and 42b which indicate the names are provided on the surface of the cover 1b.

Description

Terminal box

The present invention relates to be used for the terminal box of branch supply line.

In recent years, often adopt such distributing system in inside such as office blocks, promptly on the floor of basic unit's underfloor marble distributing board etc., make appropriate intervals, form new floor (the plate face that will form like this is called free passage layers), utilization is carried out house service at the set groove of free passage layers (being the floor of building and the space between the new floor that forms), as shown in Figure 6, this floor distributing system is to bury a plurality of supply socket C on the floor underground, disposes distributor H.I such as a plurality of supply sockets simultaneously on the floor.The power lead of distributor H.I described here causes floor lower floor of basic unit by boundary box D.Power lead front end at described supply socket C and distributor H.I is equipped with electric distribution plug A.By terminal box J, shunt circuit L ' along separate routes along separate routes electric wire connecting junction B ' again goes up and connects described electric distribution plug A, can freely carry out the floor distribution on main line LO wire barrel B ' along separate routes with further.Especially, main line LO is had the power line connecting portion that is connected electrical mains LO and shunt circuit L ' etc. in the mode of quick joint with shunt circuit L ' terminal box B ' along separate routes, have the shunt lead connecting portion that can freely connect electric distribution plug A simultaneously with loading and unloading.In addition, when power line being connected with distributor H.I etc. or prolonging power line, can be mounted for the connector that electric distribution plug A bears the electric distribution plug of side, electric distribution plug A can be installed at opposite side in supply power one side.

Yet existing terminal box is for connecting power line, has the so-called speed of seizing power line on both sides by the arms by the elastic force of snap between snap and terminal block and connects wire connecting portion.When connecing wire connecting portion taking-up power line by speed, push snap along the direction that breaks away from terminal block, so portion is provided with the releasing button that releasing speed connects wire connecting portion and power line locked state in the enclosure.Therefore, can not remove button, take out the problem that power line has become trouble from the outside direct control of shell.Also have, in terminal box, the information to inner circuit part and electrical characteristics and shunt lead purposes etc. does not show.So, when also having wiring operation or when maintenance, can't read various information such as wiring diagram, thereby cause the bad problem of operation.

The present invention proposes for addressing the above problem, and its purpose is, a kind of terminal box that improves the wiring operation performance is provided.

For achieving the above object, terminal box of the present invention is equipped with in the enclosure: the power line connecting portion is that speed by the power line heart yearn of seizing on both sides by the arms between terminal block and snap connects wire connecting portion and forms; With the shunt lead connecting portion, with when described power line connecting portion is electrically connected, be entrenched in the recess that electric distribution plug forms previously, form the inserted sheet socket of the projecting inward inserted sheet of recess of electric distribution plug in front, and seize inserted sheet on both sides by the arms by the inserted sheet portion of bearing of interior dress; Be provided with the display part that shows the electric wiring information needed on the surface of shell, from the demonstration of display part, can read the required information of distribution, thereby improve the transaction capabilities of wiring operation.

Also have, among the present invention, described terminal box display part is made up of the circuit display part that shows internal circuit diagram.

Also have, among the present invention, the display part of described terminal box is by showing that the shunt lead and the purposes of power line connecting portion and the title display part of title are formed.

Also have, in the present invention, described terminal box shunt lead connecting portion is along roughly being parallel direction setting with the power line connecting portion.

Also have, in the present invention, described terminal box is provided with the power line connecting portion respectively in the center approximately on the shell subtend two sides of about rectangle, in the both sides of described two sides electric wire connecting portion a pair of shunt lead connecting portion is set respectively simultaneously.

Also have, in the present invention, the shunt lead connecting portion of described terminal box is along being provided with the roughly orthogonal thereto direction of power line connecting portion.

Also have, in the present invention, described terminal box is on the two sides of about rectangular enclosure subtend the power line connecting portion to be set respectively, on the two sides that connects described two sides subtend a pair of shunt lead connecting portion is set respectively simultaneously.

Also have, in the present invention, the side of the shunt lead connecting portion of described terminal box is provided with only pusher dog set on the electric distribution plug and sealed recessed of freely plugging.

Also have, in the present invention, the side of described terminal box separated time connecting portion is provided with the incorrect link portion that prevents that prevents that back insertion or the rated value electric distribution plug different with purposes from connecting.

Also have, in the present invention, the wire-socket of the power line connecting portion of described terminal box is embedded with dust cap.

Secondly, another terminal box of the present invention is to be equipped with in the shell: the power line connecting portion is to connect the wire connecting portion line by the speed at the power line heart yearn of seizing on both sides by the arms between terminal block and the snap to become; With the shunt lead connecting portion, with when described power line connecting portion is electrically connected, be entrenched in the recess that electric distribution plug forms previously, form the inserted sheet socket of the projecting inward inserted sheet of the recess that inserts electric distribution plug in front, and seize inserted sheet on both sides by the arms by the inserted sheet portion of bearing of interior dress; When pressing operation, push the releasing button of snap along the direction that breaks away from terminal block, be provided in the position of the power line connecting portion corresponding freely to rotate with snap, the operating portion of removing button exposes on the surface of shell.

Also have, in another invention of the present invention, the operating portion of the releasing button of described terminal box is forming by manual size dimension.

Also have, in another invention of the present invention, the releasing button of described terminal box has the fulcrum projection that locks together with the sealed recess that is arranged on the electric distribution plug inner peripheral surface and pushes projection with snap joins, pressing operation by operating portion, with the fulcrum projection is that fulcrum rotates, and pushes projection and pushes snap along the direction that breaks away from from terminal block.

Also have, in another invention of the present invention, the terminal block of the made power line connecting portion of described terminal box is connected with the inserted sheet portion of bearing of shunt lead connecting portion, and the link of electrical connection is housed among the shell.

Also have, in another invention of the present invention, the shunt lead portion of described terminal box is along roughly being parallel direction setting with the power line connecting portion.

Also have, in another invention of the present invention, about center on about rectangular enclosure subtend two sides of described terminal box is provided with the power line connecting portion respectively, in the both sides of described two sides power line connecting portion a pair of shunt lead connecting portion is set respectively.

Also have, in another invention of the present invention, the shunt lead connecting portion of described terminal box is along being provided with the roughly orthogonal thereto direction of power line connecting portion.

Also have, in another invention of the present invention, described terminal box is provided with the power line connecting portion respectively on the shell subtend two sides of its about rectangle, on the two sides that connects described two sides subtend a pair of shunt lead connecting portion is set respectively simultaneously.

Also have, in another invention of the present invention, described terminal box is provided with on the electric distribution plug in the side of its shunt lead connecting portion to be provided with ends pusher dog and sealed recessed of freely plugging.

Also have, in another invention of the present invention, described terminal box is provided with the incorrect link portion that prevents that prevents that reverse insertion or the rated value electric distribution plug different with purposes from connecting in the side of its shunt lead connecting portion.

At last, in another invention of the present invention, described terminal box is embedded with dust cap in the wire-socket of its power line connecting portion.

Below accompanying drawing among the present invention and symbol are explained the main points briefly.

Fig. 1 is the decomposition diagram of expression embodiment 1 terminal box.

Fig. 2 is the same perspective view.

Fig. 3 is the same partial cut away side views.

Fig. 4 is the same user mode key diagram of expression.

Fig. 5 is the same installment state key diagram of expression.

Fig. 6 is the key diagram of the existing floor of explanation distributing system.

Fig. 7 is the incorrect link portion that prevents of expression embodiment 1 terminal box; (a) be the vertical view of electric distribution plug; (b) be the major part enlarged drawing of terminal box.

Fig. 8 is the same incorrect link portion that prevents of expression; (a) be the vertical view of electric distribution plug; (b) be the major part enlarged drawing of terminal box.

Fig. 9 is the same incorrect link portion that prevents of expression; (a) be the vertical view of electric distribution plug; (b) be the major part enlarged drawing of terminal box.

Figure 10 is the same incorrect link portion that prevents of expression; (a) be the vertical view of electric distribution plug; (b) be the major part enlarged drawing of terminal box.

Figure 11 is the same incorrect link portion that prevents of expression; (a) be the vertical view of electric distribution plug; (b) be the major part enlarged drawing of terminal box.

Figure 12 is the same incorrect link portion that prevents of expression; (a) be the vertical view of electric distribution plug; (b) be the major part enlarged drawing of terminal box.

Figure 13 is the decomposition diagram of expression embodiment 2 terminal boxes.

Figure 14 is the same user mode key diagram of expression.

Figure 15 is the decomposition diagram of expression embodiment 3 terminal boxes.

Figure 16 is the same decomposition diagram.

In above-mentioned accompanying drawing, the 1-shell, the 1a-housing, the 1b-cap, 2-power line connecting portion, 3-shunt lead connecting portion, the 7-terminal block, the 8-snap, 9-removes button, the 9a-operating portion, 28-speed connects wire connecting portion, 41-circuit display part, 42a, 42b-title display part.

Following with reference to accompanying drawing, the embodiment of the invention is described.

Embodiment 1

Fig. 1 illustrates the decomposition diagram of present embodiment 1 terminal box; Fig. 2 illustrates the outward appearance perspective view; Fig. 3 illustrates partial cut away side views; Fig. 4 illustrates the key diagram of explanation user mode.

The shell 1 of terminal box A is to form with flat partially cuboid shape, and it is to be made of the plastic housing 1a of top opening and the plastic cap 1b of the lower aperture that is covered with on housing 1a.Six places on cap 1b wear to be used for inserting leads to the through hole 21b that connects rivet 20, with this through

hole

21b, 21b is corresponding and be located on the through hole 21a on the housing 1a, connects rivet 20 riveted joint front ends by inserting to lead to, and cap 1b is fixed on above the housing 1a.As shown in Figure 2, the power line connecting portion 2 that connects power line is set the center respectively approximately on the two sides of shell 1 subtend; In the both sides of each power line connecting portion 2 a pair of shunt lead connecting portion 3 is set respectively; Power line connecting portion 2 and shunt lead connecting portion 3 form with the form that the end face from housing 1a and cap 1b protrudes respectively.Like this, in the present embodiment, owing to shunt lead connecting portion 3 and power line connecting portion 2 press the direction setting of almost parallel, therefore, as shown in Figure 4, can roughly be parallel direction along power line 60 and draw the shunt lead 61 that is connected with shunt lead connecting portion 3 with connection power line connecting portion 2.

Housing 1a is separated into center receiving space 23 and left and right

sides receiving space

24a, 24b by two centers next door 16a along shell 1 short side direction trend.The center receiving space 23 of power line connecting portion 2 one sides further is separated into three terminal block resettlement sections 17 by two next door 16b that the short side direction along shell 1 moves towards, and accommodates terminal block 7 as described later respectively in each terminal block resettlement section 17.At the left receiving space 24a and the right receiving space 24b of shunt lead connecting portion 3 one sides, be provided with respectively along the ternary groove 29 of the short side direction of shell 1 trend, and accommodate as described later shunt with terminal block 27 at each groove 29.

Also have, about central part at housing 1a wears a pair of through hole 22a that inserts fixed parts such as logical screw, simultaneously through hole 22b is set at position with the corresponding cap 1b of through hole 22a, logical fixed parts such as screw (not shown) are inserted in utilization on through hole 22a, 22b, shell 1 can be installed in and build on the material, and through hole 22a, 22b are set at the center of shell 1, and therefore when forming the through hole of inserting logical fixed part, the peripheral part with shell 1 compares, and the external dimensions of shell 1 is diminished.Also have, the internal structure of cap 1b is not shown, but it is roughly the same and form with the internal structure of described housing 1a.

Here, be provided with the circuit display part 41 of the circuit diagram of the internal circuit that demonstration is made up of terminal block 25a-25c as described later on the surface of cap 1b,, can grasp the circuit structure of terminal box inside easily according to the demonstration of this circuit display part 41.In addition, be provided with display power supply line connecting portion 2 titles at the power line connecting portion 2 of cap 1b and the root of shunt lead connecting portion 3, as title display part 42a with " power supply ", " supply " character calligraph, with the title that shows shunt lead connecting portion 3, as title display part 42b with " along separate routes " character calligraph.Also have,

title display part

42a, 42b will be housed in the card of character calligraphs such as " power supply ", " supply ", " along separate routes " in the recess that forms in the cap 1b, the surperficial available translucent cover of card covers and constitutes, and the seal that literal such as " power supply ", " supply ", " along separate routes " are write in also available stickup constitutes.

Like this, because circuit display part 41 and

title display part

42a, 42b in the display part are set on the surface of shell 1, so just can be according to the demonstration of circuit display part 41 and

title display part

42a, 42b, read the required information of electric wiring, when carrying out wiring operation, the time that is spent according to the internal circuit diagram of research terminal boxes 40 such as drawing and purposes etc. can be saved, thereby the transaction capabilities of distribution can be improved.

Power line connecting portion 2 forms with about cuboid shape, is set to insert the recess 11 of about oval wire socket of power line 60 in the center approximately at the end face of power line connecting portion 2.Short side direction in the bottom of recess 11 along shell 1 forms three row heart yearn sockets 12, and this chip socket 12 is communicated with the terminal block resettlement section 17 of center receiving space 23 respectively.Accommodate terminal block 7 respectively in each terminal block resettlement section 17, the both ends of terminal block 7 form about コ font respectively, and accommodate snap 8 at the two ends of the terminal block 7 コ font 7a of portion, constitute speed and connect wire connecting portion 28.Also have, heart yearn socket 12 is more to be the form formation that the tip is healed thin.Between terminal block 7 and snap 8 insert the heart yearn of power line 60 on the spot.

Here, describe the speed of forming by the コ font 7a of portion and the snap 8 of terminal block 7 in detail with reference to Fig. 1 and Fig. 3 and connect wire connecting portion 28.The snap sheet 8b of snap 8 and contact chip 8c are the ribbon both ends bendings with the rubber-like electric conducting material, and form at the both ends of centre slice 8a.Join below centre slice 8a and the terminal block 7, snap sheet 8b by with the connecting portion forward end edge of centre slice 8a last face tilt near terminal block 7, contact chip 8c bending is into about the S word shape, the snap sheet 8b that snap 8 is provided with and the top subtend of contact chip 8c and terminal block 7.Also have, otch 7b is set at the 7a of font portion of the コ of terminal block 7.

, at the position of the power line connecting portion 2 corresponding, form recess 34 with snap 8.Recess 34 is communicated with by opening 35 with the inside of shell 1, and at this recess 34 releasing button 9 free to rotate is set.Remove button 9 and comprise having the operating portion 9a that can push the operating surface of size dimension with finger, with the snap sheet 8b of each snap 8 that exposes respectively with otch by each terminal block 7 contacted respectively push projection 9b, and contact with the inwall of cap 1b and become the fulcrum projection 9c that removes button 9 fulcrums.Here, removing button 9 exposes on the surface of cap 1b, the operating surface of press operation portion 9a front if press...with one's finger, then removing button 9 is that rotate at the center with fulcrum projection 9c, removes projection 9b pushes each snap 8 along the direction that breaks away from above terminal block 7 the snap sheet 8b that pushes of button 9.Its result can take out the heart yearn of seizing the power line between three snap sheet 8b and terminal block 7 on both sides by the arms simultaneously.Also have, the ternary speed that is provided with respectively in the both sides of center receiving space 23 meets in the wire connecting portion 23 one and makes ground wire and use.

Also have, shunt lead connecting portion 3 has the about cuboid shape Plug Division 3b at front recess shunt lead 61 end distributions and that be entrenched in electric distribution plug 50, forms the inserted sheet socket 19 of the projecting inward inserted sheet of the recess be inserted in electric distribution plug 50 in this front of inserting the 3b of portion.Each inserted sheet socket 19 is connected with the slot part 29 of left and right

sides receiving space

24a, 24b respectively, accommodates ternary shunt terminal block 27 respectively at this slot part 29.Two ends, the left and right sides with terminal block 27 are respectively arranged with the inserted sheet portion 26 of bearing along separate routes.Respectively bear inserted sheet portion 26 and be provided with, be housed in slot part 29 with terminal block 27 along separate routes in mode with inserted sheet socket 19 subtends.So bearing inserted sheet portion 26 carries out elasticity to the inserted sheet of the electric distribution plug that inserted by the inserted sheet socket respectively and seizes on both sides by the arms.Also have, ternary of bearing in the inserted sheet portion 26 makes ground wire and uses.

Here, about receiving

space

24a, 24b dispose ternary shunt respectively with terminal block 27, connect with corresponding terminal block respectively by

lead plate

5a, 5b, 5c, brace 6 by link connects the shunt that connected by lead plate 5a-5c with terminal block 27 be configured in three terminal blocks 7 of center receiving space 23, formation terminal block 25a, 25b, 25c.

When power line connecting portion 2 connects power line 60, coat the heart yearn of being shelled (not shown) if insert power line 60 by heart yearn socket 12, then pass through the elastic force of snap 8, between the snap sheet 8b of snap 8 and contact chip 8c and terminal block 7, seize cored wire conductor on both sides by the arms, front edge by snap sheet 8b is bitten cored wire conductor, then can prevent coming off of heart yearn.Therefore, as long as heart yearn one is inserted heart yearn socket 12, then heart yearn is supported, and carries out simultaneously and being electrically connected of terminal block 7.Also have, when taking out the heart yearn of the power line 60 that is connected with power line connecting portion 2, by by the operating portion 9a that is pressed in the releasing button 9 that exposes on the cap 1b surface, remove the snap sheet 8b that belling piece 9b pushes snap 8 that connects of button 9, scratch snap sheet 8b along the direction that breaks away from from terminal block 7, so snap sheet 8b promptly breaks away from from cored wire conductor, drawing power line 60 at an easy rate just.

Also have, on shunt lead connecting portion 3, form along two grooves 14 that prevent incorrect link portion of the direction of insertion trend of electric distribution plug 50.Be embedded with the raised line (not shown) that electric distribution plug 50 recesses the insides forms at these grooves 14, prevent being connected of electric distribution plug 50 that the reverse insertion of electric distribution plug 50 or rated value are different with purposes by groove 14 and raised line chimeric.Also have, between two grooves 14, form along with the orthogonal thereto approximately direction of groove 14 by recessed 15 of locking part.On the other hand, be provided with locking button 51 above the electric distribution plug 50, at the inboard set only pusher dog (not shown) of this locking button 51.Owing to be locked together on recessed 15.So electric distribution plug 50 is prevented to be extracted, even still be difficult to extract, also have, if operation locking button 51 thereby add external force for electric distribution plug 50, remove claw and recessed 15 locked state, then can be easily from shunt lead wire connecting portion 3 taking-up electric distribution plugs 50.

Also have,, then can prevent the connection of the electric distribution plug that electric rated value is different with purposes if make the groove 14 of shunt lead connecting portion 3 different with purposes with the raised line formation position of electric distribution plug 50 according to the rated value of electricity.For example, Fig. 7 to Figure 10 illustrates the incorrect link portion that prevents of branch cable mode, and Figure 11 and Figure 12 illustrate the incorrect link portion that prevents of trunk cable mode.Also have, in branch cable mode and the trunk cable mode parts, the interval L1 of inserted sheet 52 is different with interval L2, the L3 of raised line 50b, compares with the former, and the latter's interval is wide.Also have, in 100V series parts and the 200V series parts, the interval L1 of inserted sheet 52 is different with interval L2, the L3 of raised line 50b, compares with the former, and the latter is wide at interval.

In two pin members of the rated value 20A of branch cable mode, shown in Fig. 7 (a) and (b), on the shunt lead connecting portion 3 of terminal box in the recess 50a of the electric distribution plug 50 of setting-in, see that from the front close right side is equipped with two inserted sheets 52, at two raised line 50b of inner surface formation of recess 50a.On the other hand, be provided with the socket 19 of two inserted sheets that insert two inserted sheets 52 respectively in the front of the shunt lead connecting portion 3 of terminal box, form two grooves 14 of two raised line 50b of setting-in respectively in the above.

Also have, in two ground connection pin members of the rated value 20A of branch cable mode, shown in Fig. 8 (a) and (b), in the recess 50a of electric distribution plug 50, be equipped with three inserted sheets 52, form two raised line 50b at recess 50a inner surface.On the other hand,, be provided with the socket 19 of three inserted sheets that insert three inserted sheets 52 respectively, form two grooves 14 of two raised line 50b of setting-in respectively in the above in the front of the shunt lead connecting portion 3 of terminal box.

Also have, at single channel (cutter) switch of the rated value 20A of branch cable mode with in the parts, shown in Fig. 9 (a) and (b), in the recess 50a of electric distribution plug 50, seeing that from the front setting two on the right side fastens cutter 52, being provided with the raised line 50b of recess 52a inner surface formation that sets inserted sheet 52 1 sides, especially form chamfered section 50c at corner part.On the other hand, front at the shunt lead connecting portion 3 of terminal box is provided with two inserted sheet sockets 19 that insert two inserted sheets 52 respectively, form the groove 14 that is embedded with raised line 50b in the above, especially, be formed on the chamfered section 3a of setting-in on the described chamfered section 50c at corner part.

Also have, with in the device, shown in Figure 10 (a) and (b), in the recess 50a of electric distribution plug 50, set three inserted sheets 52, form chamfered section 50c at corner part at the three-pointswitch of the rated value 20A of branch cable mode.On the other hand, be provided with three inserted sheet sockets 19 that insert three inserted sheets 52 respectively, be formed on the chamfered section 3a of setting-in on the described inclined plane part 50c at corner part in the front of the shunt lead wire connecting portion 3 of terminal box.

Also have, in the rated value 20A of trunk cable mode single-phase three-wire (two ground connection pin members) device, shown in Figure 11 (a) and (b), have two shapes that the ground connection pin member is roughly the same with branch cable mode rated value 20A, the interval L1 of inserted sheet 52 and the interval L2 of raised line 50b are than corresponding wide at interval in the cable type device along separate routes.

Also have, in the three-way device of the rated value 20A of trunk cable mode, shown in Figure 12 (a) and (b), has the three-pointswitch roughly the same shape of device with the branch cable mode, form a raised line 50b at the recess 50a of electric distribution plug 50 inner surface, at the shunt connecting portion 3 of terminal box, form the groove 14 of setting-in raised line 50b in the above.Also have, the interval L1 of inserted sheet 52 and the interval L3 of raised line 50b are than corresponding wide at interval in the shunt cable type device.

As mentioned above, when power line connecting portion 2 connects power line 60, the heart yearn that will not connect the power line 60 of electric distribution plug 50 connectors such as grade in the end, insert the heart yearn socket 12 of power line connecting portion 2, connect wire connecting portion 28 with the speed of forming by terminal block 7 of packing in the heart yearn socket 12 and snap 8 and be connected.On the other hand, when shunt lead connecting portion 3 connects shunt lead 61, electric distribution plug 50 with distribution on shunt lead 61 ends, the direction that is inlaid in groove 14 with raised line that usefulness is oppositely inserted in set preventing on the recess inner peripheral surface of electric distribution plug 50 matches, when being pressed into shunt lead connecting portion 3, the inserted sheet that then is convexly equipped with in the recess of electric distribution plug 50 inserts inserted sheet socket 19, promptly carries out elasticity by the 19 inner shunt that are provided with of inserted sheet socket with the inserted sheet portion of bearing 26 of terminal block 27 and seizes on both sides by the arms.So the locking claw of button 51 and recessed 15 are sealed, can prevent extracting of electric distribution plug 50.

If can do like this, the shunt lead 61 that is connected on the power line 60 that connects and the shunt lead connecting portion 3 is connected by each terminal block 25a-25c respectively, and as required shunt lead 61 is connected with each shunt lead connecting portion 3, like this, then can make power line 60 shunt on minute branch road 61.Especially, shunt lead 61 so along separate routes can be connected to another terminal box, can also be further along separate routes.

As shown in Figure 5, the shell 1 of terminal box roughly is installing component 80 that font cap 82 forms by pedestal portion 81 and section and is installed in floor etc. and builds on the material.

Pedestal portion 81 is by connecting modular plug socket 91a that holding wire uses and the information with holding wire connecting portion (not shown) with electrical power wiring assembly 90, carry terminal box shell 1 board mounting 83, extend the

stator

84,84 that is provided with, section roughly is the L font by tower support plate 83 both sides of the edge and constitute.Stator 84 is provided with and interts the jack 84a that fixed screw uses, and the fixed screw by jack 84a is screwed into pedestal portion 81 is fixed on and builds on the material.

Secondly, on board mounting 83, wear screw hole 83a, the 83b that is used for using electrical power wiring assembly 90 with screw link box shell 1 and information.By the fixed screw 85 of interspersed perforation 22a, 22b, shell 1 is fixed on the tower support plate 83 by screw.Here, cut the discrepancy in elevation that is provided with step between plate 83 and the stator 84, therefore, shell 1 information of terminal box can be installed in than building on the higher position of material with electrical power wiring assembly 90 at tower.Also have, be provided with holding wire fixed

part

86,86 with the both sides of the edge of the corresponding board mounting 83 of electrical power wiring assembly 90 with information, the holding wire that is connected with electrical power wiring assembly 90 by 86,86 maintenances of holding wire fixed part and information, but the braking signal line is extracted.The both sides of the board mounting 83 beyond extension is provided with board mounting 83 both sides of stator 84 are provided with and form the locking piece 83c that can freely carry out sealed locking holes 83d on two lateral plate 82a of 82 li of caps with the sealed pawl 82b that is convexly equipped with plugging.

Cap 82 is made by transparent resin, by sealed pawl 82b is locked together in locking holes 83d, covers the shell 1 and the information electrical power wiring assembly 90 of terminal box, can be installed in the pedestal portion 81 with freely loading and unloading.

Embodiment 2

Figure 13 illustrates the decomposition diagram of present embodiment terminal box; Figure 14 illustrates the key diagram of explanation user mode.Also have, add same-sign for the inscape identical, so explanation is omitted with embodiment 1.

In the present embodiment, on the two sides of vertical subtend of shell 1 power line connecting portion 2 is set respectively, the two sides connecting the two sides subtend that power line connecting portion 2 is set respectively is provided with a pair of shunt lead connecting portion 3 respectively.This shunt lead connecting portion 3 is along being provided with the roughly orthogonal thereto direction of power line connecting portion 2, therefore, and can be along pulling out shunt lead 61 with the roughly orthogonal thereto direction of power line 60.

Receiving space 23 and left and right

sides receiving space

24a, 24b during housing 1a is divided into by the next door, two

centers

16,16 along the short side direction of shell 1.At the center receiving space 23 of power line connecting portion 2 one sides, be separated into three terminal block resettlement sections 17 by two next doors along the short side direction of shell 1, accommodate terminal block 7 respectively in this terminal block resettlement section 17.Left receiving space 24a and right receiving space 24b that shunt lead connects 3 one sides are separated into along the ternary longitudinally slot part 29 of shell 1 by next door 18 respectively, accommodate the reed 4a-4c that bears inserted sheet in this slot part 29.

On the other hand, the internal structure of cap 1b is to form with the roughly the same structure of housing 1a.Surface at cap 1b, identical with embodiment 1, be provided with title display part 42a, the 42b of the title of the circuit display part 41, display power supply line connecting portion 2 and the shunt lead connecting portion 3 that show the terminal box internal circuit, according to the demonstration of circuit display part 41 and

title display part

42a, 42b, can read the required information of distribution easily.

Power line connecting portion 2 is with roughly rectangular shape formation, oblong recess 11 of roughly being of promising insertion power line 60 is set the center approximately at power line connecting portion 2, vertically wear the heart yearn socket 12 of three row approximately in the bottom of this recess 11, each heart yearn socket 12 is communicated with the terminal block resettlement section 17 of center receiving space 23.Also have, heart yearn socket 12 is managed to make do the heart yearn that inserts power line on the spot more to form to the point thin mode that heals between terminal block 7 and snap 8.

In addition, shunt lead connecting portion 3 forms with rectangular shape roughly, and is entrenched in the set recess (not shown) in electric wiring socket 50 fronts.So the end face at shunt lead connecting portion 3 forms three inserted sheet sockets 19 being made up of the vertical slot hole that inserts the inserted sheet (not shown) that is convexly equipped with in the described recess, each inserted sheet socket 19 with about the slot part 29 of receiving

space

24a, 24b be communicated with, and in this slot part 29, accommodate the ternary reed 4a-4c that bears inserted sheet respectively.

Below the center of explanation shell 1 and about receiving

space

23,24a, 24b in the terminal block 25a-25c that accommodates.

Terminal block 25a be by bear at both ends inserted sheet portion 26 curved the conductivity that roughly is the U font bear the reed 4a of inserted sheet, make bear inserted sheet portion 26 outwards and reed 4a, the 4a that will a pair ofly the bear inserted sheet brace 6 that connects the conductive connecting member of the conductivity lead plate 5a that is the L font approximately, conductivity terminal block 7, connection lead plate 5a and terminal block 7 that the lateral opening section roughly is the コ font constitute.

Terminal block 25b is bent to the conductivity that roughly is the U font and bears the reed 4b of inserted sheet, makes and bear inserted sheet portion 26 outwards and will a pair ofly bear central part that inserted sheet spring 4b, 4b connect along the rectangular approximately bending conductivity lead plate 5b of in-plane orthogonal direction, the conductivity terminal block 7 identical with terminal block 7 shapes of terminal block 25a, conductivity brace 6 formations of connection lead plate 5b and terminal block 7 by also hold portion 26 at the both ends bolt.

Terminal block 25c is bent to the conductivity that roughly is the U font and bears the reed 4c of inserted sheet, makes and bear inserted sheet portion 26 outwards and will a pair ofly bear central parts that reed 4c, the 4c of inserted sheet connect and constitute along the conductivity brace 6 of the rectangular approximately bending conductivity lead plate 5c of in-plane, conductivity terminal block 7, connection lead plate 5c and the terminal block 7 identical with terminal block 7 shapes of terminal block 25a by bear inserted sheet portion 26 at both ends.

Two ends at the terminal block 7 of each terminal block 25a-25c are provided with

snap

8,8 respectively, constitute speed by terminal block 7 and

snap

8,8 and connect wire connecting portion 28.Here, to connect in the wire connecting portion 28 one be that earth connection is used to ternary speed.

Also have, among each terminal block 25a-25c, reed 4a, lead plate 5a, brace 6 and the terminal block 7 that bears inserted sheet be respectively by being connected with two pins that form on the opposing party's parts in two holes that wear on the quadrate part spare, each parts carry out electricity with being connected of machinery.Here, bear the reed 4a-4c of inserted sheet and lead wire 5a-5c so that highly difference report to the leadship after accomplishing a task, terminal block 25a-25c is housed in the inside of shell 1 with mutually non-touching form.That is to say, dispose the structure member of terminal block 25a at the structure member upside of terminal block 25b; Dispose the structure member of terminal block 25c at the structure member downside of terminal block 25b.

Also have, the reed 4a, the 4c that bear inserted sheet of terminal block 25a, 25c form with same shape, and can freely change.That is to say, the mountain peak is fallen, use and bear reed 4a, the 4c of inserted sheet, so can reduce variety of components.

But the connection of each terminal block 25a-25c will be carried out before installing to housing 1a.So, carry out the installation of each terminal block 25a-25c in the following order to housing 1a.Head sees, be housed in terminal block 7 in the terminal block resettlement section, left side 17 of center receiving space 23, reed 4c, the 4c that bears inserted sheet is housed in the mode of the slot part 29 of the inboard slot part 29 of left receiving space 24a, right receiving space 24b one side respectively, and terminal block 25c is housed in housing 1a.Secondly, with terminal block 7 and bear the reed 4b of inserted sheet and the terminal block resettlement section, center 17 that 4b is housed in center receiving space 23 respectively, the mode of the center slot part 29 of left and right sides receiving space 24a, 24b is closed 25b with wiring and is housed in housing 1a.At last, be housed in the terminal block resettlement section, right side 17 of center receiving space 23 with terminal block 7, the reed 4a, the 4a that bear inserted sheet are housed in the slot part 29 of left receiving space 24a one side respectively, and the mode of the inboard slot part 29 of right receiving space 24b is housed in housing 1a with terminal block 25a.Especially, when accommodating terminal block 25a-25c, in advance snap 8 is housed in the two ends of terminal block 7.

Also have, bearing reed 4a, the 4c of inserted sheet, formation bear inserted sheet portion 26 and and the side of bearing between inserted sheet portion 26, the 26 cross-over connections part form the lug 27 that protrudes, form by two strands of shape separating parts of front end at the slot part 29 of the reed 4a, the 4c that bear inserted sheet of case 1a and to seize the rib of decision position of this lug 27 and the supporting rib below supporting and lug 27 opposites one side on both sides by the arms, so can easily determine to bear the reed 4a of inserted sheet, the position of 4c.

As mentioned above, to accommodate terminal block 25a-25c state cap 1b is installed at housing 1a.Also have, when cap 1b is installed, connect to accommodate between the terminal block 7 of wire connecting portion 28 and the snap 8 in speed and remove two releasing buttons 9 that the sealed heart yearn of elasticity is used, the operating portion 9a that removes button 9 is provided in the set recess 34 in position of the cap 1b corresponding with shunt lead connecting portion 2, and expose on the surface of shell 1, therefore identical with embodiment 1, the operating operation 9a of portion can easily remove the elasticity locked state of heart yearn.Also have, therefore operating portion 9a does not need special instrument can carry out the replacement operation of heart yearn forming by manual size dimension.

Figure 14 illustrates the key diagram of this terminal box user mode of explanation.The degree of depth roughly the same groove 55a and 55b are set on floor 54, and groove 55a, 55b show the right angle greatly and report to the leadship after accomplishing a task.The portion of reporting to the leadship after accomplishing a task at groove 55a, 55b, power line connecting portion 2 is towards the groove 55a that sets power line 60, shunt lead connecting portion 3 is towards the groove 55b of configuration shunt lead 61 simultaneously, set terminal box, along connecting portion 3 along separate routes being set, so can be along pulling out shunt lead 61 with the roughly orthogonal thereto direction of power line 60 with the roughly orthogonal thereto direction of power line connecting portion 2.

Embodiment 3

Figure 15 and Figure 16 illustrate the decomposition diagram of present embodiment terminal box.Also have.Basic structure is identical with embodiment 1, and same inscape is added prosign, so its explanation is omitted.

The shell 1 of terminal box A is to form with flat partially cuboid shape, and shell 1 is to be made of the plastic housing 1a of top opening and the plastic cap 1b of the lower aperture that is covered with on housing 1a.Three places on cap 1b are equipped with the through hole 21b that break-through connects rivet 20 usefulness, and corresponding and that wear on housing 1a through hole 21a with this through hole 21b connects rivet 20 riveted joint front ends by interting, and cap 1b is fixed on the housing 1a.Side on the two sides of shell 1 subtend is provided with respectively and connects the power supply connecting portion 2 that power line is used, and at opposite side the shunt lead connecting portion 3 of usefulness along separate routes is set respectively.Power line connecting portion 2 and shunt lead connecting portion 3 are that the form of protruding with the end face from housing 1a and cap 1b respectively forms.Like this, in the present embodiment, therefore shunt lead connecting portion 3 can roughly be parallel direction and pull out the shunt lead that is connected with shunt lead connecting portion 3 along roughly being parallel direction setting with power line connecting portion 2 along the power line with 2 connections of power line connecting portion.

Receiving space about the inside of housing 1a is separated into by next door 16.The receiving space 23 ' of power line connecting portion 2 one sides further is divided into three receiving spaces 17 by two next door 16b.The receiving space 24 of shunt lead connecting portion 3 one sides leaves the part that is communicated with the notch 16c of central part formation, is divided into three receiving spaces by two

next door

16d, 16e respectively.Also have, be equipped with at about central part of housing 1a and intert the through hole 22a that fixed part such as screw uses, simultaneously wear through hole 22b, utilize the fixed parts such as screw (not shown) that pass through hole 22a, 22b shell 1 can be installed in and build on the material at the position of the cap 1b corresponding with through hole 22a.Also have, though the internal structure of cap 1b is not shown, this structure is with roughly the same and form with the internal structure of above-mentioned housing 1a.

The terminal block 25a-25c that accommodates in the shell 1 below is described.

Terminal block 25a be form by the terminal block 7a that forms the about コ shape of lateral opening, at both ends bear inserted sheet portion 26 and by central part show greatly brace 31a that right-angle bending becomes connect two shunt of bearing 26 in inserted sheet portion with terminal block 27a, connect terminal block 7a and shunt and constitute with the lead plate 5a of terminal block 27a, two snaps 8 of accommodating at the both ends of above-mentioned terminal block 7a.

Terminal block 25b by form with the identical shaped terminal block 7b of the terminal block 7a of terminal block 25a, at both ends bear inserted sheet portion 26 and by linear brace 31b be connected two shunt of bearing 26 in inserted sheet portion with terminal block 27b, connect terminal block 7b with along separate routes with the lead plate 5b of terminal block 27b, accommodate two snaps 8 at the both ends of above-mentioned terminal block 7b and constitute.

Terminal block 25c by form with the identical shaped terminal block 7c of the terminal block 7a of terminal block 25a, at both ends bear inserted sheet portion 26 and two bear between the inserted sheet portion 26 by along with show shunt that the brace 31c of right-angle bending is connected greatly with the rightabout central part of terminal block 27a along separate routes and constitute with the lead plate 5c of terminal block 27c, two snaps 8 of accommodating at the both ends of above-mentioned terminal block 7c with terminal block 27c, connection terminal block 7c and shunt.

Here, the suitable location of using terminal block 27a-27c in terminal block 7a-7c and the shunt of each terminal block 25a-25c forms pin member, riveted joint has pin member in the installation film perforation that the two ends of lead plate 5a-5c form, and connects the terminal block 7a-7c of corresponding terminal block and uses terminal block 27a-27c along separate routes.Also have, the shunt of above-mentioned terminal block 25a, 25b, 25c forms with same shape with

terminal block

27a, 27c, and each can freely be changed with

terminal block

27a, 27c along separate routes, therefore can subtract part parts kind number with

terminal block

27a, 27c as common component along separate routes.

Above-mentioned terminal block 7a-7c and shunt will carried out before housing 1a assembling with the connection between the terminal block 27a-27c.So, each terminal block 25a-25c to the assembling of housing 1a is: at first terminal block 7c is housed in the form of the receiving space 17 in receiving space 23 ' the most close next door 16, terminal block 25c is housed in housing 1a, secondly, with the form that terminal block 7b is housed in center receiving space 17, accommodate the form that terminal block 7b is housed in center receiving space 17, accommodate terminal block 25b, at last, with the form of accommodating terminal block 7a, accommodate terminal block 25a at outermost receiving space 17.Like this, under the state of accommodating terminal block 25a-25c, lead plate 5a-5c promptly forms with mutually non-touching form.Also have, when terminal block 25a-25c is housed in housing 1a, accommodate snap 8 at the two ends of each terminal block 7a-7c in advance.

Do like this, terminal block 25a-25c is being housed under the state of housing 1a, cap 1b can be covered on housing 1a.Also have, when cap 1b is installed, accommodates the speed that constitutes by terminal block 25a-25c and snap 8 at the position of shell 1 correspondence and connect the releasing button 9 that wire connecting portion 28 is removed operation usefulness.This releasing button 9 can be removed the heart yearn connection status of the ternary snap 8 of each power line connecting portion 2 simultaneously, the operating portion 9a that removes button 9 forms with available manual manipulation size dimension, the operating portion 9a that removes button be configured in corresponding to power line connect portion 2 the formation of cap 1a position recess 34 and on the surface of cap 1b, expose, therefore do not need special instrument, can remove the connection status of heart yearn with manual manipulation.

Also have, identical with embodiment 1, be provided with circuit display part 41 on the surface of cap 1b and respectively claim display part 42a, 42b.Here

title display part

42a, 42b are made of at the transparency cover 45 that edges at two ends is convexly equipped with the locking piece 45a that cap 1b goes up the recess 43 forms, card 44 in the recess 43 that is housed in record name, the sealed groove 43a energy that forms with recess 43 end faces freely plug.The card 44 that is housed in the groove 43 is covered, and cap 45 is contained on the recess 43, thus promptly can read the demonstration of card 44 by cap 45, and can judge the purposes of power line connecting portion 2 and shunt lead connecting portion 3 easily according to the demonstration of card 45.

In addition, when not using power line connecting portion 2 and shunt lead connecting portion 3, enter in the shell 1 by recess 11 and inserted sheet socket 19, dust cap 70 can be installed for preventing dust.Prevent that dirt lid 70 is mounted on the inserted sheet socket 19, is provided with a plurality of fins 71 that insert the inserted sheet socket for inserting the inserted sheet socket on dust cap 70.Be installed in the corresponding collar flange that has with the recess inwall in behind of the dust cap (not shown) of recess 11, this flange is provided with a plurality of fins, is used for dust cap is installed in recess 11.

Effect of the present invention below is described.

For achieving the above object, terminal box 50 of the present invention arranges the demonstration distribution on the surface of shell Therefore the display part of information needed can read the required information of distribution according to the demonstration of display part, from And the transaction capabilities with raising wiring operation.

Terminal box of the present invention has the effect of the circuit diagram that can judge easily inner road circuit.

Terminal box of the present invention has can judge shunt lead connecting portion and power supply wiring connecting portion easily The effect of purposes and title.

Terminal box of the present invention has and can pull out shunt lead along roughly being parallel direction with power line Effect.

JB tool of the present invention can along with power line roughly orthogonal thereto direction pull out the effect of shunt lead Really.

Terminal box tool of the present invention can be by sealed electric distribution plug claw and recessed prevent electricity The effect that gas distribution plug is pulled out.

Terminal box of the present invention has can prevent reverse insertion or rated value electric join different from purposes The effect of line plug incorrect link.

Terminal box of the present invention is embedded with dust cap in the wire-socket of power line connecting portion, so tool The effect that prevents from when not using invading from wire-socket dust etc. is arranged.

The operating portion that terminal box of the present invention is removed button exposes on the surface of shell, therefore has a behaviour Do to remove the button operating portion, just can easily remove the effect of electric wire connection status.

Terminal box of the present invention has the effect that special instrument can be removed the electric wire connection status.

Terminal box of the present invention has can be removed speed by lever principle with the power of a little and connect wire connecting portion Effect with the connection status of electric wire.

Terminal box of the present invention has and can not be used in terminal plate and bear distribution between the inserted sheet section, economizes Go the work of inner distribution, reduce the effect of parts kind number.

Claims

1. terminal box is characterized in that being equipped with in the enclosure: the power line connecting portion is that speed by the power line heart yearn of seizing on both sides by the arms between terminal block and snap connects wire connecting portion and forms; With the shunt lead connecting portion, with when described power line connecting portion is electrically connected, be entrenched in the recess that electric distribution plug forms previously, form the inserted sheet socket of the projecting inward inserted sheet of the recess that inserts electric distribution plug in front, and seize inserted sheet on both sides by the arms by the inserted sheet portion of bearing of interior dress; Be provided with the display part that shows the electric wiring information needed on the surface of shell.

2. terminal box according to claim 1 is characterized in that described display part is made up of the circuit display part that shows internal circuit diagram.

3. terminal box according to claim 1 is characterized in that described display part is by showing that the shunt lead connecting portion and the purposes of power line connecting portion and the title display part of title are formed.

4. terminal box according to claim 1 is characterized in that described shunt lead connecting portion is along roughly being parallel direction setting with the power line connecting portion.

5. terminal box according to claim 1 is characterized in that described shell subtend two sides at about rectangle is provided with the power line connecting portion respectively in the center approximately, is provided with a pair of shunt lead connecting portion respectively in the both sides of described two sides electric wire connecting portion simultaneously.

6. terminal box according to claim 1 is characterized in that described shunt lead connecting portion is along being provided with the roughly orthogonal thereto direction of power line connecting portion.

7. terminal box according to claim 1 is characterized in that on the two sides of about rectangular enclosure subtend the power line connecting portion being set respectively, on the two sides that connects described two sides subtend a pair of shunt lead connecting portion is set respectively simultaneously.

8. terminal box according to claim 1 is characterized in that the side of described shunt lead connecting portion is provided with only pusher dog set on the electric distribution plug and sealed recessed of freely plugging.

9. terminal box according to claim 1 is characterized in that the side of described shunt lead connecting portion is provided with the incorrect link portion that prevents that prevents that back insertion or the rated value electric distribution plug different with purposes from connecting.

10. terminal box according to claim 1 is characterized in that being embedded with dust cap in the wire-socket of described power line connecting portion.

11. a terminal box is characterized in that being equipped with in the shell: the power line connecting portion is that speed by the power line heart yearn of seizing on both sides by the arms between terminal block and snap connects wire connecting portion and forms; With the shunt lead connecting portion, with when described power line connecting portion is electrically connected, be entrenched in the recess that electric distribution plug forms previously, form the inserted sheet socket of the projecting inward inserted sheet of the recess that inserts electric distribution plug in front, and seize inserted sheet on both sides by the arms by the inserted sheet portion of bearing of interior dress; When pressing operation, push the releasing button of snap along the direction that breaks away from terminal block, be provided in the position of the power line connecting portion corresponding freely to rotate with snap, the operating portion of removing button exposes on the surface of shell.

12. terminal box according to claim 11, the operating portion that it is characterized in that described releasing button is forming by manual size dimension.

13. terminal box according to claim 11, it is characterized in that described releasing button has the fulcrum projection that locks together with the sealed recess that is arranged on the electric distribution plug inner peripheral surface and pushes projection with snap joins, pressing operation by operating portion, with the fulcrum projection is that fulcrum rotates, and pushes projection and pushes snap along the direction that breaks away from from terminal block.

14. terminal box according to claim 11 is characterized in that making the terminal block of power line connecting portion to be connected with the inserted sheet portion of bearing of shunt lead connecting portion, and the link that is electrically connected is housed among the shell.

15. terminal box according to claim 11 is characterized in that described shunt lead portion is along roughly being parallel direction setting with the power line connecting portion.

16. terminal box according to claim 11 is characterized in that at about center on about rectangular enclosure subtend two sides the power line connecting portion being set respectively, in the both sides of described two sides power line connecting portion a pair of shunt lead connecting portion is set respectively.

17. terminal box according to claim 11 is characterized in that described shunt lead connecting portion is along being provided with the roughly orthogonal thereto direction of power line connecting portion.

18. terminal box according to claim 11 is characterized in that on the shell subtend two sides of about rectangle the power line connecting portion being set respectively, on the two sides that connects described two sides subtend a pair of shunt lead connecting portion is set respectively simultaneously.

19. terminal box according to claim 11, the side that it is characterized in that described shunt lead connecting portion are provided with on the electric distribution plug be provided with end pusher dog and sealed recessed of freely plugging.

20. terminal box according to claim 11 is characterized in that the side of described shunt lead connecting portion is provided with the incorrect link portion that prevents that prevents that reverse insertion or the rated value electric distribution plug different with purposes from connecting.

21. terminal box according to claim 11, its feature is embedded with dust cap in the wire-socket of described power line connecting portion.