CN217135141U

CN217135141U - Waterproof cable junction box convenient to high altitude installation

Info

Publication number: CN217135141U
Application number: CN202220374258.8U
Authority: CN
Inventors: 付烈; 龚庆国
Original assignee: Wuhan Huayuan Netcom Power Co ltd
Current assignee: Wuhan Huayuan Netcom Power Co ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-08-05
Anticipated expiration: 2032-02-23

Abstract

A waterproof cable junction box convenient for high-altitude installation is provided with a box body which is surrounded and connected by a top cover and a bottom cover through fastening nails and is internally provided with a wire clamp, the middle part of the bottom cover is provided with a lower wire clamp groove, the edge of the lower wire clamp groove is provided with a barb for locking the lower part of the wire clamp, and the position of the lower wire clamp groove ensures that the center of a wire connecting end of the wire clamp is over against a threading hole; the contact parts of the top cover and the bottom cover are respectively provided with a convex edge parallel to the connecting interface, one side of the convex edge of the top cover and one side of the convex edge of the bottom cover are respectively provided with a pair of connecting wire holes, connecting belts penetrate through the pair of connecting wire holes respectively, and the pair of connecting belts are connected with each other to form a closed loop. The utility model discloses a high altitude high-speed joint of cable provides a quick safe convenient insulating waterproof terminal box, can realize electrified quick erection joint each separation part of linking as an organic whole, prevents to drop, and the wiring is convenient with the fastening to better insulating waterproof performance has.

Description

Waterproof cable junction box convenient to high altitude installation

Technical Field

The utility model relates to a power transmission technology, a waterproof cable junction box convenient to high altitude installation specifically says so.

Background

The connection mode of the power transmission cable generally comprises the following steps: 1. binding formula cuts the crimping, this type of connection, and the fault node is many, and the line loss is big, and the cable damage is serious, crosses water often to take place electric leakage, electric shock accident in rainy season, and electrician's wiring is nonstandard, and the circuit is indiscriminate, and the extremely difficult examination is looked for the trouble, and the cable is very easily stolen. 2. The connection method has the advantages that the line clamp without the protection box is connected in a branch mode, the trunk line does not need to be cut off, the installation is convenient, and the trunk line is not damaged. However, due to improper installation process and use under severe conditions, the wire clamp has short service life, aging of the shell and rusting or loosening of the screw rod due to environmental factors such as humidity, water soaking and the like, and electric leakage and short circuit can occur in serious conditions, so that the life safety of people is threatened. 3. The branch of the wire clamp is connected, a plurality of joints are jointly provided with a glue filling box, resin glue is filled in the box, and the connection method does not need to cut off the trunk line, is convenient to install and does not damage the trunk line. However, the production quality of the product manufacturers is uneven, the quality cannot be guaranteed, the products are difficult to install or have no space in the initial stage, and the products cannot be overhauled and maintained in the later stage. Due to the fact that no standard exists, the quality cannot be guaranteed, and the situation that encapsulation is not in place often occurs. Once the joint breaks down, the joint cannot be disassembled for maintenance. Meanwhile, because the proportion of expansion with heat and contraction with cold is different between the encapsulating material and the cable, the product often takes place into water phenomenon gradually in the later stage operation, and the safety can't be ensured.

In the existing better gel insulation box, the problems of complex installation and long time consumption still exist, and the problems are particularly obvious for high-altitude wiring operation. The cable clamp is unstable due to separation from the box body, and the box body is separated into a bottom box and a top box, so that the cable clamp is inconvenient to mount in high altitude; the cavity of the box body is large, and the gel consumption is large.

Disclosure of Invention

The utility model aims to solve the technical problem that a waterproof cable terminal box convenient to high altitude installation is provided, can the fixed fastener of box body relatively, each part interconnection is as an organic whole, is difficult for dropping, and the threading of just conveniently working a telephone switchboard.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the waterproof cable junction box convenient to high altitude installation, be equipped with by top cap and bottom through the box body that the binding nail encloses connection, built-in fastener, the relative both sides of box body respectively are equipped with a pair of through wires hole, its characterized in that: the middle part of the bottom cover is provided with a lower wire clamping groove which can be just embedded into the lower part of the wire clamp, the edge of the lower wire clamping groove is provided with a barb for locking the lower part of the wire clamp, and the position of the lower wire clamping groove enables the center of a wiring end of the wire clamp to be over against the threading hole;

the contact parts of top cap and bottom do not are equipped with the chimb that is on a parallel with connection interface, lead to one side at the chimb of top cap and bottom and be equipped with a pair of line hole respectively, and the pair of line hole of top cap and bottom aligns respectively, and it has the connecting band to run through respectively in a pair of line hole, and a pair of connecting band interconnect is a closed loop.

The middle part of the top cover is provided with an upper wire clamp groove, and the upper part of the wire clamp is embedded into the upper wire clamp groove.

Preferably, the circumference of the connecting band which is connected into a closed loop is 2-8 cm larger than the distance between the pair of connecting line holes.

Preferably, the threading hole is formed by the semicircle amalgamation that top cap and bottom set up in the position of corresponding side, and the inside wall in threading hole is equipped with the spacer groove that is used for imbedding the spacer.

Preferably, bolt holes are formed in four corner portions of the convex edge, fastening nails penetrate through the bolt holes, a nut seat is arranged outside the bolt holes of the top cover or the bottom cover, and a nut is fixed in the nut seat.

Preferably, the middle part of spacing block is equipped with vertical spacer crackle, and the spacer crackle link up the lower limb of the spacing block of top cap or link up the top edge of the spacing block of bottom, and the thickness of spacing block is 0.8 ~ 1.5 mm.

The utility model discloses a high altitude high-speed joint of cable provides a quick safe convenient insulating waterproof terminal box, can realize electrified quick erection joint, and each separation part is even as an organic whole, prevents to drop, and the wiring is convenient with the fastening to better insulating waterproof performance has.

The utility model discloses the lower cover of box body has set up the lower thread clamp groove through mould shaping, and the lower part of fastener is pinned through the barb to lower thread clamp groove laminating parcel, has guaranteed the stability of the preceding fastener of dress on the one hand, and the alignment state of fastener and through wires hole is kept in the location, and the fastener is difficult for droing and change position simultaneously steadily. The nut seat structure is to fix the nut, and the fastening operation can be carried out without hand holding; the top box and the bottom box are connected through the connecting belt to prevent falling off, so that all the separated parts can be controlled by one hand. The vertical spacer crackle is seted up to the spacer and the thickness of spacing piece is injectd simultaneously for the spacer can make things convenient for the cable conductor to conveniently penetrate in the wiring end of direct fastener when being enough to block the box body gel and spill over.

Drawings

FIG. 1 is a front view of the overall external structure of the present invention,

figure 2 is a schematic top view of figure 1,

figure 3 is a schematic view of the internal structure of the bottom cover,

figure 4 is a schematic view of the internal structure of the top cover,

figure 5 is a schematic left side view of figure 3,

figure 6 is a schematic left side view of figure 4,

figure 7 is a bottom case structure with a wire clamp.

In the figure: 1-convex edge, 2-fastener, 3-bottom groove, 4-separate water groove, 5-location convex edge, 6-through wires hole, 7-nut seat, 8-fastening nail, 9-lower clamp groove, 10-spacer crack, 11-top cover groove, 12-top cover, 13-connecting wire hole, 14-bottom, 15-bolt hole, 16-spacing piece, 17-spacer groove, 18-upper clamp groove, 19-connecting band, 20-barb.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, and it is to be understood that the described examples are only some of the examples and are not all examples of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, the positional relationships indicated by the terms "upper", "lower", "vertical", "horizontal", "inner" or "outer" and the like are positional or positional relationships based on the application state or the drawings, and are only for convenience of description of the present invention and simplification of description, and the names of the components may be regarded as a specific name for differentiation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or may be connected internally to the elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and 2, the present invention provides an embodiment: waterproof cable junction box global state convenient to high altitude installation be relative inclosed box body, be equipped with top cap 12 and bottom 14, make by insulating material, top cap 12 and bottom 14 surround through fastening nail 8 and connect, be the detached state before the installation operation, but the utility model discloses a connecting band 19 is as an organic whole with the top box 12 and the end box 14 link of separation. The top cover 12 and the bottom cover 14 are respectively provided with a top cover groove 11 and a bottom cover groove 3, the top cover groove 11 and the bottom cover groove 3 enclose a cavity, the wire clamp 2 is arranged in the cavity, and the wire clamp 2 is enclosed by pre-filled insulating gel in the box body to realize waterproof performance.

In order to facilitate connection and water prevention, as shown in fig. 3 and 4, the top cover 12 and the bottom cover 14 are respectively provided with a convex edge 1 at the splicing position, the convex edges 1 are parallel to the contact plane, the convex edges 1 respectively arranged on the top cover 12 and the bottom cover 14 are aligned, four corners are respectively provided with aligned bolt holes 15, as shown in fig. 6, a nut seat 7 is fixedly arranged outside the bolt hole 15 at one side, a nut is fixedly arranged in the nut seat 7 coaxially with the bolt hole 15, and the nut as a scattered part is integrated with the box body and cannot scatter. For the convenience of carrying at high altitude, the internal thread is fixedly embedded in the bolt hole 15 at the other side, the screw can be embedded and connected through the internal thread, the screw cannot scatter, and the screw is screwed into the nut during installation.

A pair of wire holes 13 are respectively arranged on the same side of the convex edge 1 of the top cover 12 and the bottom cover 14, the pair of wire holes 13 of the top cover 12 and the bottom cover 14 are respectively aligned, a connecting band 19 is respectively penetrated in the pair of wire holes 13, the connecting band 19 can be made of nylon or flexible plastic, and two ends of the pair of connecting bands 19 are respectively connected with each other to form a closed ring. The circumference of the connecting band 19 connected in a closed loop is 2-8 cm larger than the distance between the pair of connecting line holes 13, so that the top cover 12 and the bottom cover 14 can be completely separated and are connected only by the connecting band 19, and the fastening operation of the wire clamp is facilitated. The connecting band 19 connects the top cover 12 and the bottom cover 14 which are separated before installation into a whole, so that only one of the parts needs to be held during overhead installation operation, and the separated parts are prevented from scattering.

The inner edges of the convex edge 1 of the bottom cover 14 and the top cover 12 are provided with a water isolating groove 4 and a positioning convex edge 5, so that the water isolating and positioning functions are further realized.

As shown in fig. 3 and 4, two sides of the convex edge 1, which are different from the wire connecting hole 13, are provided with a pair of wire holes 6, which are respectively located at two opposite sides of the convex edge 1 and used for penetrating the end of the cable to be connected. The axial length of threading hole 6 is the same with the width of chimb, has 8 ~ 16mm, and a pair of threading hole 6 coaxial line of opposite side. The spacer groove 17 is arranged in the threading hole 6 coaxially with the threading hole 6, and the spacer groove 17 is made of rubber or tough plastic and used for blocking gel in the box body and penetrating into a cable wiring terminal. Preferably, the threading hole 6 is formed by half-circular combination of the top cover 12 and the bottom cover 14 arranged on the respective sides, as shown in fig. 5 and 6, the middle of the spacer 16 is provided with a vertical spacer crack 10, the spacer crack 10 penetrates through the lower edge of the spacer 16 of the top cover 12 and the upper edge of the spacer 16 of the bottom cover 14, and the upper edge of the spacer 16 of the top cover 12 and the lower edge of the spacer 16 of the bottom cover 14 are connected into a whole or directly fixed in the spacer groove 17 of the box body. The thickness of the isolation sheet 16 is 0.8-1.5 mm, so as to keep a plane state and not be easy to deform unless deformed under the external force of threading. When in installation operation, the cable is directly inserted into the wiring end of the wire clamp and then the wire clamp is fastened.

As shown in fig. 3, the lower clamping groove 9 is formed in the middle of the bottom cover 14, the edge of the lower clamping groove 9 is provided with a barb 20 for locking the lower part of the cable clamp 2, the lower clamping groove 9 can be just embedded into the lower part of the cable clamp 2, and the lower part of the cable clamp 2 can easily enter the lower clamping groove 9 and cannot be separated. The position of lower wire clamp groove 9 makes the wiring end center of fastener 2 just to threading hole 6, can directly stretch into the wiring end of fastener 2 through threading hole 6 from the outside during the threading.

The middle part of the top cover 12 is provided with an upper wire clamp groove 18, and the upper part of the wire clamp 2 is embedded into the upper wire clamp groove 18. The upper part of the clamp 2 is provided with a nut which is rotatable in a hexagonal shape so that the upper clamp groove 18 needs to have a sufficient clearance.

When the wire clamp is used, the top cover groove and the bottom cover groove of the wire clamp are filled with the insulating gel in advance, and after the gel is filled, the lower part of the wire clamp is clamped in the bottom cover in advance, namely the wire clamp is wrapped by the gel when leaving a factory. The installation is that the top cover 12 and the bottom cover 14 are separated firstly, and are connected by the connecting band 19 only, a pair of cable terminals from the outside of the threading hole 6 are respectively inserted into the terminals of the cable clamp, the torque nut is screwed off at the upper part of the cable clamp, the puncture needle of the cable clamp can penetrate through the insulating sheath of the cable and is pressed to the conductor part of the cable, then the top cover 12 is closed, the bolt is screwed, and the whole operation process has no discrete parts, so that the high-altitude operation is convenient.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications, substitutions, improvements and the like can be made to the technical solutions described in the foregoing embodiments or to some technical features of the technical solutions.

Claims

1. The utility model provides a waterproof cable junction box convenient to high altitude installation is equipped with and surrounds the box body of being connected, built-in fastener (2) through binding nail (8) by top cap (12) and bottom (14), and the relative both sides of box body respectively are equipped with a pair of through wires hole (6), its characterized in that: a lower wire clamp groove (9) is formed in the middle of the bottom cover (14), the lower wire clamp groove (9) can be just embedded into the lower portion of the wire clamp (2), a barb (20) used for locking the lower portion of the wire clamp (2) is arranged on the edge of the lower wire clamp groove (9), and the center of a wiring end of the wire clamp (2) is opposite to the threading hole (6) due to the position of the lower wire clamp groove (9);

the contact parts of the top cover (12) and the bottom cover (14) are respectively provided with a convex edge (1) which is parallel to a connection interface, one side of the convex edge (1) of the top cover (12) and the bottom cover (14) is respectively provided with a pair of connecting wire holes (13), the pair of connecting wire holes (13) of the top cover (12) and the bottom cover (14) are respectively aligned, a connecting belt (19) is respectively penetrated in the pair of connecting wire holes (13), and the pair of connecting belts (19) are mutually connected into a closed loop.

2. The waterproof cable junction box facilitating aerial installation of claim 1, wherein: an upper wire clamp groove (18) is arranged in the middle of the top cover (12), and the upper part of the wire clamp (2) is embedded into the upper wire clamp groove (18).

3. The waterproof cable junction box facilitating aerial installation of claim 1, wherein: the circumference of the connecting band (19) which is connected into a closed loop is 2-8 cm larger than the distance between the pair of connecting holes (13).

4. The waterproof cable junction box facilitating aerial installation of claim 1, wherein: the threading hole (6) is formed by splicing a top cover (12) and a bottom cover (14) at a semicircular arc arranged at the corresponding side position, and a spacer groove (17) for embedding a spacer (16) is arranged on the inner side wall of the threading hole (6).

5. The waterproof cable junction box facilitating aerial installation of claim 1, wherein: bolt holes (15) are formed in the four corners of the convex edge, fastening nails (8) penetrate through the bolt holes (15), a nut seat (7) is arranged outside the bolt holes (15) of the top cover (12) or the bottom cover (14), and a nut is fixed in the nut seat (7).

6. The waterproof cable junction box facilitating aerial installation of claim 4, wherein: the middle part of spacing block (16) is equipped with vertical spacer crackle (10), and spacer crackle (10) link up the lower limb of spacing block (16) of top cap (12) or link up the upper edge of spacing block (16) of bottom cap (14), and the thickness of spacing block (16) is 0.8 ~ 1.5 mm.