CN2210502Y - Telephone branch wire casing of blocking connection type - Google Patents

Abstract

The utility model relates to a telephone distributing box of clamping connection type, which is used for the terminal equipment of the connection and the wiring of the local wire cables and the incoming wires of the telephone wires. The utility model is composed of a distributing box body 1 and clamping terminals 2, wherein, the distributing box body is composed of a box bottom 3, a box body 4, and a box cover 5; unit clamping terminal is composed of a base 14, a clamping blade 15, and a terminal cover 16. The utility model has the advantages that the range of the diameter of the clamping wire is wide, the clamping connection can not be loosened, the capacity of the distributing box is big, and the operation and the repair are convenient.

Description

Telephone branch wire casing of blocking connection type

The present invention relates to the incity telephone cable circuit is connected distribution with lead-in terminal equipment.

At present, the separated time equipment of incity telephone cable circuit adopts always and is installed on outdoor rotary nut Wiring type terminal junction box.Along with the in-depth development of reform and opening-up, the raising of living standards of the people, phone has entered family.Though the local telephone construction scale increased substantially in recent years, but still do not satisfy the demand of society to communication, the imbalance between supply and demand of Communications Market becomes increasingly conspicuous.For accelerating the local line pace of construction, postal and telecommunication entities adopt the plug-in junction box, promote fixedly neighbour's wiring mode, have replaced the post terminals junction box of using for a long time and have reached accordingly outside wiring mode along the street.Because post terminals junction box construction manipulation process complexity, maintenance is inconvenient, and bright, the concealed wiring in incompatibility dwelling house newly developed area does not satisfy the needs of current Communication Development.

The purpose of this utility model is that a kind of constructing operation is simple, maintenance management convenient, the novel junction box of good, the suitable local telephone communication development need of electric property for local line provides.

The design of plug-in local telephone network junction box is design like this:

The exchange line cable takes to separate combining form with drop wire; The blade that has a v-notch grooving with upper and lower side is made the clamping conductor of plug-in terminal, finishes being connected of exchange line cable and drop wire; After connecing the clamping of exchange line terminal, use resin dosing equipment, fixed and seal, after the clamping of drop wire terminal, adopt silicone oil protection against the tide, anticorrosion; The clamping capacity of junction box is wide as far as possible, from 3 pairs of line to 50 pair lines, can satisfy user's needs of all situations; In the Contraband type groove that is fixed on box body of the lid of junction box by its hinge slip, open the back and can lock and do not glide, lid and box body still cut with scissors and combine as a whole, though do not separate, but guarantee that junction box has enough operating spaces, when closing, lid is under the effect of Contraband type chute, be pressed together on closely on the box body, keep it airtight dustproof; Adopt the clamping blade of band v-notch grooving, make junction box clamping wire range broad,, promptly be applicable to single-core line, also be applicable to split conductor and rubber-insulated wire from 0.35～1.7mm; The junction box of this structure both had been applicable to indoorly, was applicable to that also outdoor mounted uses.

Structure of the present utility model as shown in Figure 1, it is made up of junction box box body 1 and lead-in clamping terminal 2 two parts.

The combining structure of junction box box body 1, as shown in Figure 2, it be by at the bottom of the box 3, box body 4, lid 5 constitute.3 is folded mutually with box body 4 at the bottom of the box, and exchange line cable chamber constitutes by an active connection; Lid 5 slides with box body 4 and is hinged, and constitutes the clamping terminal cavities.3 is the box of infull top cover at the bottom of the box, its structure as shown in Figure 3, both ends of the surface have hole 6, be used for the exchange line cable walk by; Have hole 10 at the bottom of the box on 3 the top panel, be used for connecting box body 4; Have hole 11 at the bottom of the box on 3 the bottom panel, be used for whole fixing usefulness of dividing box line box and wall.The structure of box body 4 as shown in Figure 4, it is the box of a no full top cover, the lower surface has hole 7, is used for lead-in and passes; Two sidewall upper of box body 4 have Contraband type chute 8, and lid 5 is used to be slidingly connected; Have hole 12,29,30 on the base plate of box body 4.Hole 12 is used to be communicated with exchange line cable chamber and clamping terminal cavities; Hole 29 be used at the bottom of the box with the box body mutually poststack fuse with the screw activity; Hole 30 is clamping terminal fixing hole.The structure of lid 5 as shown in Figure 5, it is one and has two sidewalls and the lid of supreme bottom plate, place, two sidewall end angles has axle 9, with being hinged in the Contraband shape chute 8 on the box body 4 that lid 5 slides.During the position of A, lid is in closed condition in axle 9 is in chute 8; During the position of B, lid is in opening in axle 9 is in chute 8, and can lock and do not glide, as shown in Figure 4.The panel of lid 5 upper end has reclinate flange 13, and this flanged structure can accomplish that lid closes tight dustproof.

The junction box box body adopts 1～1.5mm quality steel plate one time punching molded, and the surface adopts electrostatic painting process to handle.

The structure of clamping terminal 2 as shown in Figure 8, is made up of some clamping terminal group, and the unit card connecting terminal that constitutes every group is to be made of terminal substrate 14, clamping blade 15, terminal cap 16.With blade 15 is the clamping conductor, and uses the resin embedding behind the pedestal 14 clamping exchange line cables, separates combination and clamping conducting with terminal cap 16 clamping lead-ins have promptly been finished exchange line cable and lead-in.3 to 5 unit card connecting terminals are one group, 1 to 10 group of the clamping terminal capacity of junction box.

The structure of terminal substrate as shown in Figure 8, its center is inlaid with and is fixed nut 17, be used for fastening terminal cap 16, on the axial line of clamp nut both sides, have two grooves 18 that connect and fix blade 15, have the chute 19 that two vertical bases are used to lead and fixed terminal covers on the pedestal two side.Pedestal adopts ABS engineering plastics pressure injection to produce.

The structure of clamping blade as shown in Figure 6, it is that up and down two ends have the blade of grooving 20 up and down, the grooving top has a degree angle kerve.The grooving both sides have cutting edge, as shown in Figure 7.Otch a angle is 60～120 degree, and kerf spacing e is 0.32～1.1mm, and the thickness of clamping blade is 0.6mm, adopts the phosphor-copper material to make 2 every group.Behind the grooving clamping exchange line cable, be fixed in the holddown groove 18 of pedestal under the clamping blade, use the resin embedding, the last grooving of clamping blade, clamping lead-in under the pressure effect of terminal cap.Every group of clamping terminal is fixed on the box body bottom plate hole 30 of terminal box by the fixed screw under the pedestal.

The structure of terminal cap 16 as shown in Figure 9, it is to be made of lid 21, lead foot 22.Have the lead-in hole 23 of two parallel axis lines in lid one side, the lid center is inlaid with hold-down nut 25, the instrument connection 24 that is provided with 2 vertical leads holes 23 and communicates with it at the lid top; Be provided with in lid bottom one with the vertical indent 27 that communicates and match in lead-in hole with clamping blade 15, as shown in figure 10, have at indent 27 places relative with clamping blade V-notch protruding 28, as shown in figure 10.After lead-in penetrated the clamping terminal cap from fairlead 23, along with the screw-in of housing pin 26, the clamping terminal cap compressed at lead foot 22 guiding lower edge pedestal terminal cap chutes 19, and indent projection 28 is pressed into lead-in in the grooving 20 of clamping blade, and is fixed.Terminal cap adopts low temperature resistant and has elastomeric carbonic acid resin and plastic injection-compression molding.

The plug-in junction box has following advantage:

1. plug-in junction box, separate the combination mode with the box status at the bottom of adopting box, can make all-plastic cable by passing in the junction box, take the way of cable separated time in junction box, cable core is connected with cable terminal in the junction box, saves pigtail, pyrocondensation joint, the man-hour of saving the pre-fabricated electric cables junction box, thereby saved investment, accelerated construction schedule.

2. the plug-in junction box cooperates all-plastic cable to use, and has accomplished all to realize clampingization by cable to the handshaking procedure of indoor lead-in.

3. the clamping blade of junction box, adopt upper and lower side to have the phosphor-copper clamping blade of v-notch grooving, v-notch, angle is reasonable, but the single core of grooving clamping and multicore cable and rubber-insulated wire, and it is wide to be suitable for wire range, e=0.35-1.7mm, accomplish that the insulating sleeve otch is neat, electric conductivity is good, does not hinder the lead-in conductor.

4. the junction box lid is fixed on the box body of band Contraband type slideway by axle, lid and box body still are hinged and are one after opening, and can lock and guarantee that junction box has enough operating spaces, do not lose lid again, after closing, lid is pressed together on the box body under the effect of Contraband type slideway closely, guarantees that junction box is airtight dustproof.

5. the plug-in parts take rotary screw to clamp-on mode, make finish after the clamping lead-in loosening, contactless bad phenomenon.

6. clamping terminal loam cake leaves instrument connection, can carry out electric performance test easily under the situation that does not influence conversation.

7. plug-in junction box capacity is big, and from 3 to 50 pairs of lines can satisfy the user's needs under all situations.

8. simple in structure, fitting operation is convenient, and cost is low, both has been applicable to outdoorly, also is applicable to indoor installing and using.

Description of drawings:

Fig. 1. the junction box perspective view;

Fig. 2. junction box box body combining structure schematic diagram;

Fig. 3. junction box box bottom structure schematic diagram;

Fig. 4. junction box box body structure schematic diagram;

Fig. 5. junction box lid structural representation;

Fig. 6. clamping blade structure schematic diagram;

Fig. 7. clamping blade A-A cut-away view;

Fig. 8. joint end minor structure combination schematic diagram;

Fig. 9. the terminal cap structural representation;

Figure 10. terminal cap A-A cut-away view;

Figure 11. the terminal cap indent cooperates schematic diagram with blade.

As previously mentioned, finish mode of the present utility model, constituted basically and implemented best mode of the present utility model.

Claims (9)

1, a kind of plug-in local telephone network junction box that includes box body [1], clamping terminal [2] formation is characterized in that:

A, described junction box box body [1] are made up of [3], box body [4], lid [5] at the bottom of the box, and box body [4] is folded mutually with [3] at the bottom of the box, fuses versatilely, constitutes exchange line cable chamber, and box body [4] is slide hinged with lid [5], constitutes the clamping terminal cavities.

B, described clamping terminal [2] are made up of some clamping terminal group, the unit card connecting terminal that constitutes each group is made up of pedestal [14], clamping blade [15] and terminal cap [16], between pedestal [14] and the terminal cap [16], the blade [15] that has V-notch grooving [20] with two ends up and down is the clamping conductor, following grooving and pedestal [14] clamping exchange line cable, last grooving and terminal cap [16] clamping lead-in.

2, plug-in local telephone network junction box according to claim 1, it is characterized in that ［ 3 ］ are not boxes of full top cover at the bottom of the box of described separated time box body, it has exchange line cable through-hole ［ 6 ］ on two end plates up and down, the connecting hole ［ 10 ］ of band connecting box body on the top cover has junction box fixing hole ［ 11 ］ at the bottom of the box on the base plate at the bottom of the box.

3, plug-in local telephone network junction box according to claim 1, the box body ［ 4 ］ that it is characterized in that described separated time box body, two sidewall upper has Contraband type chute ［ 8 ］, the hinge of lid ［ 9 ］ slippage in groove ［ 8 ］ is rotated, when axle ［ 9 ］ is in the position of groove ［ 8 ］ A, lid is closed, lid is opened and can be locked and do not glide when the position of B, have the through hole ［ 12 ］ between exchange line cable chamber and clamping terminal cavities on the base plate of box body ［ 4 ］, terminal fixing hole ［ 30 ］ reaches and connecting hole ［ 29 ］ at the bottom of the box, has lead-in through hole ［ 7 ］ on the bottom plate of box body.

4, plug-in local telephone network junction box according to claim 1 is characterized in that the lid ［ 5 ］ of described separated time box body, and its panel upper end has reclinate flange ［ 13 ］.

5, plug-in local telephone network junction box according to claim 1, it is characterized in that described clamping terminal substrate ［ 14 ］, its center is inlaid with and is fixed nut ［ 17 ］, on the axial line of nut ［ 17 ］ both sides, have two fixedly grooves of clamping blade ［ 18 ］, have the guiding perpendicular to base, the chute ［ 19 ］ of fixed terminal lid on the sidewall of pedestal two ends.

6, plug-in local telephone network junction box according to claim 1, the clamping blade ［ 15 ］ that it is characterized in that described clamping terminal ［ 2 ］, it has grooving ［ 20 ］ in two ends up and down, and the grooving top has the V-notch at α angle, and the both sides of grooving ［ 20 ］ have cutting edge.

7, plug-in local telephone network junction box according to claim 1, the clamping terminal cap ［ 16 ］ that it is characterized in that described clamping terminal ［ 2 ］ is to be made of lid ［ 21 ］ and lead foot ［ 22 ］, the lid center is inlaid with hold-down nut ［ 25 ］, and lid one side has two lead-in holes ［ 23 ］ of paralleling to the axis.

8, plug-in local telephone network junction box according to claim 1 is characterized in that the lid top of described clamping terminal cap ［ 16 ］, is provided with two perpendicular to lead-in hole ［ 23 ］ and the instrument connection ［ 24 ］ that communicates with it.

9, plug-in local telephone network junction box according to claim 1, the lid bottom that it is characterized in that described clamping terminal cap ［ 16 ］, be provided with one with the vertical indent ［ 27 ］ that communicates and match in lead-in hole with clamping blade ［ 15 ］, at indent ［ 27 ］ and clamping blade tip V-notch opposite position, have projection ［ 28 ］.

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