CN216290049U - High voltage distribution is with rain-proof dampproofing terminal box - Google Patents

Abstract

The utility model discloses a rainproof and moistureproof junction box for high-voltage power distribution, which comprises a box body and a box cover arranged at the upper end of the box body, wherein a plurality of wire inlets are formed in one side of the box body, a plurality of wire outlets are formed in one side of the box body, which is opposite to the wire inlets, an elastic sealing layer is arranged at the joint of the box body and the box cover, a drying groove is formed in the upper end of the box body, which is positioned below the sealing layer, a drying ring for absorbing water is arranged in the drying groove, wire passing pipes are arranged on the wire inlets and the wire outlets, a waterproof mechanism is arranged in the wire passing pipes, and a cable is arranged in the waterproof mechanism in a penetrating manner. The junction box can effectively seal the box body and the box cover of the junction box, reduce rainwater permeation, and effectively improve the waterproof performance of the junction box and the use safety by separating and absorbing rainwater layer by layer through the arrangement of the wiring pipe structure.

Description

High voltage distribution is with rain-proof dampproofing terminal box

Technical Field

The utility model relates to the technical field of wiring equipment, in particular to a rainproof and moistureproof wiring box for high-voltage power distribution.

Background

With the continuous development of economic construction in China and the acceleration of urbanization process, electricity becomes an indispensable part of production and life of people. The junction box is one of indispensable devices for equipment installation in the electrical field, is used for the butt joint of two cables or the butt joint of a cable and a plurality of cables, and when the circuit is longer, or the electric wire pipe needs the corner, just adopt the junction box as the transition usefulness, the cable conductor plays the effect of shunting and protecting the circuit through being connected with the junction box. The waterproof ability of current terminal box lacks, under the comparatively moist condition of air in operational environment, can appear steam and enter into the terminal box in the normal work of terminal box causes the condition of influence, and simultaneously, when accidental contact water, water easily infiltrates into the box body along the cable conductor and the gap between the inlet tube mouth, leakproofness between terminal box body and the lid is unsatisfactory, waterproof nature is relatively poor, rainwater easily corrodes terminal box inner structure and causes the short circuit or reduces life during rainy day, lead to the emergence of dangerous accidents such as electric leakage and electric shock easily, there is great potential safety hazard.

Disclosure of Invention

The utility model aims to: the utility model provides a high voltage distribution is with rain-proof dampproofing terminal box can carry out effectual sealing to terminal box body and lid, reduces the rainwater infiltration, walks the spool through the setting and carries out layer upon layer separation absorption to the rainwater, effectively improves the waterproof performance of terminal box, improves the safety of using.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a high voltage distribution is with rain-proof dampproofing terminal box, is in including box body and setting the lid of box body upper end, box body one side is equipped with a plurality of inlet wire, the one side relative with the inlet wire on the box body is equipped with a plurality of outlet, box body is equipped with the elastic sealing layer with the lid junction, box body upper end is located the sealing layer below is equipped with dry recess, be equipped with in the dry recess and be used for absorbent dry circle, be equipped with on inlet wire and the outlet wire and walk the spool, it is equipped with waterproofing mechanism to walk the spool, wear to be equipped with the cable conductor in the waterproofing mechanism.

According to a further improved scheme of the utility model, the waterproof mechanism comprises an elastic waterproof ring and a water absorbing piece which are sequentially arranged in the routing pipe, the waterproof ring is arranged at the pipe orifice of the routing pipe, the water absorbing piece comprises a plurality of ring protection coils which are uniformly arranged in the inner cavity of the routing pipe, a sponge absorbing layer is arranged on one surface of each protection coil along the wire inlet direction, and the sponge absorbing layer is in close contact with the cable when the cable passes through the protection coils.

According to a further improved scheme of the utility model, a rubber film is arranged in the protective coil, the sponge absorption layer is arranged on the rubber film, and the cable penetrates through the rubber film and is in interference fit with the sponge absorption layer.

According to a further improvement of the utility model, the box body and the box cover are connected through bolts, and the sealing layer and the drying ring are clamped and fixed when the box cover and the box body are installed.

According to a further improvement of the utility model, the drying ring is mainly composed of a drying agent, and the drying agent is a silica gel drying agent.

According to a further improved scheme of the utility model, the inner ring of the waterproof ring is tightly matched with the surface of the cable, and the waterproof ring and the sealing layer are both made of silica gel.

According to a further improved scheme of the utility model, a wiring terminal is arranged in the box body, an insulating plate is fixedly arranged in the middle of the wiring terminal, and a lime moisture-proof layer is arranged between the wiring terminal and the box body.

The utility model has the beneficial effects that:

according to the utility model, the drying groove is arranged below the sealing layer at the upper end of the box body, the drying ring for absorbing water is arranged in the drying groove, the drying ring is matched with the sealing layer, so that rainwater can be effectively blocked, even if very little rainwater can permeate into the sealing layer, secondary blocking can be carried out by the drying ring, the sealing and waterproof performance of the junction box is effectively improved, and the power utilization safety is ensured.

Secondly, the elastic waterproof ring and the plurality of protective coils are sequentially arranged in the wiring pipe, the sponge absorbing layer is arranged on one surface of each protective coil along the wire inlet direction, the sponge absorbing layer is in close contact with the cable when the cable penetrates through the protective coils, when rainwater enters the waterproof mechanism along the cable, the plurality of sponge absorbing layers can repeatedly absorb the moisture on the surface of the cable in close contact with the cable, and the water vapor permeation can be effectively reduced through multiple separation absorption.

Thirdly, the rubber film is arranged in the protective coil, the sponge absorbing layer is arranged on the rubber film, the cable penetrates through the rubber film and is in interference fit with the sponge absorbing layer, when the cable is used for the first time, the cable penetrates through the rubber film, the rubber film which is extruded and broken can be tightly coated on the cable due to elasticity of the rubber film, rainwater is effectively blocked, meanwhile, the sponge absorbing layer can absorb rainwater, and the sealing performance of the junction box is further improved.

Fourthly, the lime moisture-proof layer is arranged between the wiring terminal and the box body, and water vapor in a humid environment is absorbed, so that the dryness in the box body is ensured, and the dangerous accidents such as electric leakage and electric shock caused by short circuit or shortened service life due to the fact that the water vapor erodes the internal structure of the wiring box are avoided.

Description of the drawings:

fig. 1 is a schematic perspective view of the present invention.

FIG. 2 is a schematic cross-sectional side view of the present invention.

Fig. 3 is a schematic top view of the main body structure of the cartridge of the present invention.

In the figure, 1-box body, 2-box cover, 3-wire inlet, 4-wire outlet, 5-sealing layer, 6-drying groove, 7-drying ring, 8-wire running pipe, 9-waterproof mechanism, 10-waterproof ring, 11-water absorbing piece, 12-protective coil, 13-sponge absorbing layer, 14-rubber film, 15-wiring terminal, 16-insulating board and 17-lime damp-proof layer.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

According to the combination of the drawings 1-3, the rainproof and moistureproof junction box for the high-voltage power distribution comprises a box body 1 and a box cover 2 arranged at the upper end of the box body 1, a plurality of wire inlets 3 are formed in one side of the box body 1, a plurality of wire outlets 4 are formed in one side, opposite to the wire inlets 3, of the box body 1, an elastic sealing layer 5 is arranged at the joint of the box body 1 and the box cover 2, a drying groove 6 is formed in the lower portion of the sealing layer 5, a drying ring 7 used for absorbing water is arranged in the drying groove 6, a wire walking pipe 8 is arranged on the wire inlets 3 and the wire outlets 4, a waterproof mechanism 9 is arranged in the wire walking pipe 8, and a cable is arranged in the waterproof mechanism 9 in a penetrating mode. Can effectively carry out the separation to the rainwater, even there is few rainwater also can be carried out the secondary separation by dry circle 7 in can infiltrating sealing layer 5, effectively improved the waterproof sealing performance of terminal box, guarantee to use electrical safety.

Waterproof mechanism 9 is including setting gradually walk waterproof circle 10 of elasticity in the spool 8 and the piece 11 that absorbs water, waterproof circle 10 sets up walk 8 pipe orifices departments of spool, it is in including even setting up to absorb water a plurality of circles of 8 inner chambers of spool and protect coil 12, be equipped with sponge absorbed layer 13 on protecting coil 12 along the one side of inlet wire direction, the cable conductor passes during protecting coil 12 sponge absorbed layer 13 and cable conductor in close contact with. The sponge absorbing layer is preferably made of absorbent foam with the thickness of about 0.5mm, and the protective coil 12 is preferably an elastic rubber protective coil. When rainwater enters along the cable conductor during waterproofing mechanism 9, a plurality of rings of sponge absorbed layers 13 can be repeated to absorb rather than the moisture on the closely contacted cable conductor surface, absorb the infiltration that can effectively reduce steam through multiple partition.

Be equipped with rubber membrane 14 in the protective ring 12, sponge absorbed layer 13 sets up on the rubber membrane 14, the cable conductor runs through during rubber membrane 14 with sponge absorbed layer 13 interference fit. The rubber membrane 14 that is broken out because of its elasticity can closely the cladding on the cable conductor, effectively carries out the separation to the rainwater, and sponge absorbed layer 13 can absorb the rainwater simultaneously, further improves the leakproofness of terminal box.

The box body 1 and the box cover 2 are connected through bolts, and the positions of the bolts are located outside the drying grooves 6. When the box cover 2 and the box body 1 are installed, the sealing layer 5 and the drying ring 7 are clamped and fixed. The drying ring 7 is mainly composed of a drying agent, and the drying agent is a silica gel drying agent. The upper end of the drying ring 7 is higher than the 6-slot opening of the drying groove by 0.2mm, the contact area is increased, the inner ring of the waterproof ring 10 is tightly matched with the surface of the cable, and the waterproof ring 10 and the sealing layer 5 are made of silica gel materials.

Be equipped with binding post 15 in the box body 1, binding post 15 middle part is fixed and is equipped with insulation board 16, be equipped with lime dampproof course 17 between binding post 15 and the box body 1. The lime moisture barrier 17 is preferably a breathable quicklime powder bag wrapped by non-woven fabric. The water vapor under the humid environment is absorbed, the dryness in the junction box is ensured, and the phenomenon that the water vapor erodes the internal structure of the junction box to cause short circuit or reduce the service life, so that the dangerous accidents such as electric leakage and electric shock are caused is avoided.

The working principle of the rain-proof and moisture-proof junction box for high-voltage power distribution provided by the utility model is as follows: when the wiring operation is carried out, a cable is inserted into the inner ring of the elastic waterproof ring 10 at the pipe orifice of the wiring pipe 8, the inner ring of the waterproof ring 10 is used for tightly matching the cable, the cable passes through the rubber film 14 of the protective coil 12, the rubber film 14 extruded and broken by the cable is tightly coated on the cable due to the elasticity of the rubber film to form a plurality of barriers, the sponge absorbing layer 13 is in interference fit with the cable to absorb rainwater, the cable absorbed by the plurality of barriers is connected with the wiring terminal 15, the lime moisture-proof layer 17 is arranged below the wiring terminal 15, the sealing layer 5 and the drying ring 7 are tightly pressed between the box body 1 and the box cover 2 after the wiring operation is completed, the junction box is sealed, the waterproof sealing performance of the junction box is effectively improved, and the phenomenon that the inner structure of the junction box is corroded by water vapor to cause short circuit or reduce the service life, so that dangerous accidents such as electric leakage and electric shock are caused is avoided.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (7)

1. The utility model provides a high voltage distribution is with rain-proof dampproofing terminal box, is in including box body (1) and setting lid (2) of box body (1) upper end, box body (1) one side is equipped with a plurality of inlet wire (3), the one side relative with inlet wire (3) is equipped with a plurality of outlet (4), its characterized in that on box body (1): box body (1) is equipped with elastic sealing layer (5) with lid (2) junction, box body (1) upper end is located sealing layer (5) below is equipped with dry recess (6), be equipped with in dry recess (6) and be used for absorbent dry circle (7), be equipped with on inlet (3) and outlet (4) and walk spool (8), it is equipped with waterproofing mechanism (9) in spool (8) to walk, wear to be equipped with the cable conductor in waterproofing mechanism (9).

2. The rainproof and dampproof junction box for high-voltage power distribution according to claim 1, characterized in that: waterproof mechanism (9) are including setting gradually walk waterproof circle of elasticity (10) in spool (8) and absorb water piece (11), waterproof circle (10) set up walk spool (8) mouth of pipe department, it is in to absorb water piece (11) including even setting up walk a plurality of circles of spool (8) inner chamber and protect coil (12), be equipped with sponge absorbed layer (13) on protecting coil (12) along the one side of inlet wire direction, the cable conductor passes during protect coil (12) sponge absorbed layer (13) and cable conductor in close contact with.

3. The rainproof and dampproof junction box for high-voltage power distribution according to claim 2, characterized in that: be equipped with rubber membrane (14) in protective ring (12), sponge absorbed layer (13) set up on rubber membrane (14), the cable conductor runs through during rubber membrane (14) with sponge absorbed layer (13) interference fit.

4. The rainproof and dampproof junction box for high-voltage power distribution according to claim 1, characterized in that: the box body (1) is connected with the box cover (2) through bolts, and the sealing layer (5) and the drying ring (7) are clamped and fixed when the box cover (2) and the box body (1) are installed.

5. The rainproof and dampproof junction box for high-voltage power distribution according to claim 1, characterized in that: the drying ring (7) is mainly composed of a drying agent, and the drying agent is a silica gel drying agent.

6. The rainproof and dampproof junction box for high-voltage power distribution according to claim 2, characterized in that: waterproof circle (10) inner circle and cable conductor surface closely cooperate, waterproof circle (10) and sealing layer (5) are the silica gel material.

7. The rainproof and dampproof junction box for high-voltage power distribution according to claim 1, characterized in that: be equipped with binding post (15) in box body (1), binding post (15) middle part is fixed and is equipped with insulation board (16), be equipped with lime dampproof course (17) between binding post (15) and box body (1).

Images