CN215990089U

CN215990089U - Waterproof junction box

Info

Publication number: CN215990089U
Application number: CN202122151478.2U
Authority: CN
Inventors: 李健
Original assignee: Suzhou Garner Electronic Technology Co ltd
Current assignee: Suzhou Garner Electronic Technology Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-03-08
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a waterproof junction box which comprises an insulating box body, a plurality of wire pressing terminals and a waterproof ring, wherein the insulating box body is provided with an upper box body and a lower box body, a wiring cavity is formed in the lower box body, the wire pressing terminals are arranged in the wiring cavity in a staggered mode, a circle of groove is formed in the lower box body on the periphery of the wiring cavity, the waterproof ring is embedded in the groove, a wire pressing block is arranged on the upper box body corresponding to the position of the wire pressing terminals, a water blocking strip protrudes from the position of the upper box body corresponding to the groove, the wire pressing terminals are square, V-shaped wire clamping openings are formed in conductive sheets on the periphery of the wire pressing terminals, wires transversely penetrate through the wire pressing terminals, branch wires of buses longitudinally penetrate through the wire pressing terminals, when the upper box body and the lower box body are aligned, the wire pressing blocks press the wires and the branch wires of the buses into the wire pressing terminals, and meanwhile, the waterproof ring is in contact, press and waterproof. The utility model not only realizes high-efficiency water prevention in the inner part, but also can automatically break the surface to realize effective connection, and meanwhile, the utility model also is provided with a detection hole to detect the connection performance.

Description

Waterproof junction box

The technical field is as follows:

the utility model relates to a waterproof junction box, in particular to a waterproof junction box.

Background art:

in current circuit connection, often need connect multichannel subnet circuit to mother in the net in parallel, in the in-process of connecting the installation, accomplish through the terminal box, usually with a plurality of terminal box joint on mother's net wire, mother's net wire all is metal wire rod such as copper core line, need the manual work to peel off the epidermis during installation, just can ensure the terminal contact copper core line in the terminal box, adopt this method to waste time and energy, greatly reduced assembly efficiency, if in addition expose outside wire and contact with ground or meet the rainy day, cause the too big or short circuit of network resistance easily, thereby shadow whole circuit's normal operating, there is very big risk, and current terminal box can't detect its connection performance after the make-up, need open the box body once more and just can realize detecting, it is very troublesome.

The utility model has the following contents:

aiming at the defects and shortcomings of the prior art, the utility model provides the waterproof junction box, which not only realizes high-efficiency water prevention in the interior, but also can automatically break the surface to realize effective connection, and meanwhile, is also provided with the detection holes to detect the connection performance.

The present invention achieves the above technical objects by the following technical means.

A waterproof junction box comprises an insulating box body, a plurality of line pressing terminals and a waterproof ring, wherein the insulating box body is provided with an upper box body and a lower box body which are hinged with each other, a wiring cavity is formed in the lower box body, the line pressing terminals are arranged in the wiring cavity in a staggered mode, a circle of groove is formed in the lower box body on the periphery of the wiring cavity, the waterproof ring is embedded in the groove, a line pressing block is arranged on the upper box body corresponding to the line pressing terminal, a water blocking strip protrudes from the upper box body corresponding to the groove, and the shape of a closed loop formed by the water blocking strip is consistent with that of the waterproof ring;

the wire pressing terminal is square, the conductive sheets around the wire pressing terminal are provided with V-shaped wire clamping openings, the conducting wire transversely penetrates through the V-shaped wire clamping openings on the wire pressing terminal, and the branch wires of the bus longitudinally penetrate through the V-shaped wire clamping openings on the wire pressing terminal;

when the upper box body and the lower box body are in butt joint, the wire pressing block presses downwards to enable the branch wires of the wires and the buses to be pressed into the wire pressing terminal, and meanwhile, the waterproof ring and the water blocking strip are in contact, pressed and waterproof.

Preferably, the non-hinged end of box body is equipped with bellied fixture block down, and the non-hinged end of going up the box body is equipped with the card arm, and the box body is buckled about the mutual block realization of card arm and fixture block.

Preferably, the inner wall of the V-shaped wire clamping opening is provided with a sharp part, and when the wire is clamped downwards, the sharp part pierces the soft skin on the surface of the wire, so that the wire is electrically connected with the metal terminal.

Preferably, the lower end of a conducting strip of the line pressing terminal extends and is bent to form a detecting plane, after the line pressing terminal is installed in the lower box body, a detecting hole is formed in the lower box body corresponding to the detecting plane, and the detecting hole is plugged through the silica gel pad.

Preferably, the waterproof ring is provided with a first arc-shaped groove corresponding to the position of the wire, a second arc-shaped groove corresponding to the position of the bus, a third arc-shaped groove corresponding to the position of the wire and a fourth arc-shaped groove corresponding to the position of the bus, when the upper box body and the lower box body are buckled, the first arc-shaped groove corresponds to the third arc-shaped groove, and the second arc-shaped groove corresponds to the fourth arc-shaped groove.

Preferably, the two side lines of the lower box body extend to form covered edges, U-shaped wiring grooves are formed in the covered edges corresponding to the positions of the line pressing terminals and used for wires to pass through, and when the upper box body and the lower box body are buckled, the covered edges are covered on the outer side of the upper box body.

Preferably, the wiring cavity is internally provided with a bus positioning plate, the bus positioning plate is provided with an arc-shaped groove for a bus to pass through, and the corresponding position of the upper box body is also provided with a bus positioning plate and an arc-shaped groove.

Has the advantages that: the waterproof junction box disclosed by the utility model has the following beneficial effects:

the waterproof ring is matched with the waterproof strip, so that the pressing and the waterproofing are realized when the wire is extruded, and the waterproof ring forms a closed waterproof area around the metal terminal, so that the problem of a circuit caused by the fact that external water enters the inside is effectively avoided;

the structure of the wire pressing terminal is optimized, the spine part is added, the wire is thoroughly pressed into the wire pressing terminal by matching with the wire pressing block, and the spine part breaks the soft skin on the surface of the wire while pressing down, so that the contact between the wire and the copper core wire inside the bus and the terminal is ensured, the process does not need extra operation of personnel, the process is automatically completed when the upper cover body is pressed, and the assembly efficiency is improved;

the line ball terminal bottom extends to bend and listens the face, and the box body bottom corresponds to set up down and listens the hole, through listening needle extrusion silica gel pad and line ball terminal switch on when needs are listened to just can detect the connection performance between line ball terminal and the wire, the silica gel pad of shutoff can not reduce waterproof performance simultaneously.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic diagram of an open state according to an embodiment of the present invention

FIG. 3 is a rear view of an embodiment of the present invention

FIG. 4 is an exploded view of an embodiment of the present invention;

fig. 5 is a structural view of a wire pressing terminal in the embodiment of the present invention.

In the figure: 1-insulating box body, 2-wire pressing terminal, 3-waterproof ring, 4-upper box body, 5-lower box body, 6-wiring cavity, 7-bus, 8-lead, 9-assembly groove, 10-bus positioning plate, 11-arc groove, 12-groove, 13-wire pressing block, 14-second bus positioning plate, 15-water blocking strip, 16-V-shaped wire clamping opening, 17-spine part, 18-first arc groove, 19-second arc groove, 20-third arc groove, 21-fourth arc groove, 22-clamping block, 23-clamping arm, 24-wrapping edge, 25-U-shaped wire distributing groove, 26-detecting plane, 27-detecting hole and 28-silica gel pad.

Detailed Description

For a further understanding of the utility model, reference is made to the following description of the preferred embodiments of the utility model taken in conjunction with the accompanying drawings and examples, but it is understood that the description is intended to illustrate the features and advantages of the utility model, rather than to limit the scope of the appended claims.

As shown in fig. 1 to 5, the waterproof junction box of the present invention includes an insulating box body 1, a plurality of wire pressing terminals 2 and a waterproof ring 3 disposed in the insulating box body.

Specifically, the insulation box body is provided with an upper box body 4 and a lower box body 5 which are hinged with each other, a wiring cavity 6 is arranged in the lower box body and used for loading a wire pressing terminal and realizing the connection of a bus 7 and a lead 8, a wire pressing terminal assembling groove 9 is arranged in the wiring cavity, the wire pressing terminal is clamped in the assembling groove, a plurality of wire pressing terminals are arranged in a staggered mode, a bus positioning plate 10 is arranged in the wiring cavity, an arc groove 11 is arranged on the bus positioning plate, a bus of the bus is placed in the arc groove, branch wires penetrate through the wire pressing terminals, a circle of groove 12 is arranged on the lower box body on the periphery of the wiring cavity, and a waterproof ring is embedded in the groove.

Go up box body inner wall and correspond line ball terminal department and be equipped with line ball 13, correspond bus locating plate department and be equipped with second generating line locating plate 14, and also be equipped with the arc wall on the second generating line locating plate, it has water blocking strip 15 to correspond the recess position arch, when box body is detained from top to bottom, water blocking strip and the mutual pressfitting of waterproof circle, it is waterproof to form the closed loop in the insulating box body, the line ball pushes down, the wire that will pass the line ball terminal is impressed, the position that second generating line locating plate and generating line locating plate form the generating line simultaneously is injectd.

The wire pressing terminal is made of metal and is square in overall shape, the conductive sheets on the periphery of the wire pressing terminal are provided with V-shaped wire clamping ports 16, the inner wall of each wire clamping port is provided with a sharp-pricked part 17, two opposite V-shaped wire clamping ports are a group and are two groups, the wire transversely penetrates through one group of V-shaped wire clamping ports on the wire pressing terminal, the branch wire of the bus longitudinally penetrates through the other group of V-shaped wire clamping ports on the wire pressing terminal, when the upper box body is not buckled, the wire and the branch wire only penetrate through the wire pressing terminal, the wire pressing block is pressed downwards to clamp the wire into the wire clamping ports of the conductive sheets along with the buckling of the upper box body, and the sharp-pricked parts pierce through the soft skin on the surface of the wire along with the downward movement of the wire, so that the wire is electrically connected with the conductive sheets, and further the point connection of the wire and the bus is realized;

in the whole structure, the guide is that the terminal box is transversely passed, the terminal box extends from the two ends of the terminal box, the bus is longitudinally inserted in the terminal box, and the terminal box extends from one end of the bus, so that the waterproof of the position where the wire and the bus penetrate out needs to be effectively controlled. Waterproof circle selects flexible material with the water blocking strip when using, preferred TPE material, silica gel material etc. in order to ensure water-proof effects simultaneously, with first arc wall and third arc wall and second arc wall and fourth arc wall's diameter and degree of depth set to slightly less than wire and generating line diameter respectively can.

In order to ensure the firmness of buckling of the upper box body and the lower box body, the non-hinged end of the lower box body is provided with a convex clamping block 22, the non-hinged end of the upper box body extends to form a clamping arm 23, the clamping arm and the clamping block are mutually clamped to realize the buckling of the upper box body and the lower box body, meanwhile, the two side lines of the lower box body extend to form an edge covering 24, the edge covering is provided with a U-shaped wiring groove 25 corresponding to the position of a wire pressing terminal, a wire passes through the groove, and the edge covering is covered on the outer side of the upper box body when the upper box body and the lower box body are buckled.

In order to facilitate the performance of connecting the inside point of the junction box after the wiring to detect, need additionally set up and listen the structure, it is specific to extend and bend a conducting strip lower extreme of line ball terminal and has listened plane 26, line ball terminal packs into box body back down, it detects hole 27 to have seted up on the lower box body that plane corresponds to listen, and it passes through the shutoff of silica gel pad 28 to listen the hole, under normal condition, the whole waterproof performance is ensured in the shutoff of silica gel pad, and when needs were listened, through surveying needle extrusion silica gel pad and line ball terminal and switch on, thereby just can detect the electric connection performance between line ball terminal and the wire.

The waterproof junction box disclosed by the utility model can be used only by buckling the upper box body without extra operations of peeling and wiring, so that the assembly efficiency is improved, and the later-period performance detection is facilitated.

The above embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention in any way, and all the modifications, equivalent variations and modifications of the above embodiments according to the present invention are within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a waterproof terminal box, includes insulating box body, a plurality of line ball terminals and waterproof circle, its characterized in that:

the insulation box body is provided with an upper box body and a lower box body which are hinged with each other, a wiring cavity is arranged in the lower box body, a plurality of line pressing terminals are arranged in the wiring cavity in a staggered mode, a circle of groove is arranged on the lower box body on the periphery of the wiring cavity, the waterproof ring is embedded in the groove, a line pressing block is arranged on the upper box body corresponding to the position of the line pressing terminal, a water blocking strip protrudes from the position of the upper box body corresponding to the groove, and the shape of a closed loop formed by the water blocking strip is consistent with the shape of the waterproof ring;

2. The waterproof junction box of claim 1, wherein: the non-hinged end of the lower box body is provided with a convex clamping block, the non-hinged end of the upper box body is provided with a clamping arm, and the clamping arm and the clamping block are mutually clamped to realize the upper and lower box body buckling.

3. The waterproof junction box of claim 1, wherein: the inner wall of the V-shaped wire clamping opening is provided with a sharp part, and when the wire is clamped downwards, the sharp part punctures the soft skin on the surface of the wire so that the wire is electrically connected with the metal terminal.

4. The waterproof junction box of claim 1, wherein: the lower end of a conducting strip of the line pressing terminal extends and is bent to form a detecting plane, after the line pressing terminal is installed in the lower box body, a detecting hole is formed in the lower box body corresponding to the detecting plane, and the detecting hole is plugged through the silica gel pad.

5. The waterproof junction box of claim 1, wherein: the waterproof ring is provided with a first arc-shaped groove corresponding to the position of the lead, a second arc-shaped groove corresponding to the position of the bus, a third arc-shaped groove corresponding to the position of the lead and a fourth arc-shaped groove corresponding to the position of the bus, and when the upper box body and the lower box body are buckled with each other, the first arc-shaped groove corresponds to the third arc-shaped groove and the second arc-shaped groove corresponds to the fourth arc-shaped groove.

6. The waterproof junction box of claim 1, wherein: the two sides of the lower box body extend to form covered edges, U-shaped wiring grooves are formed in the covered edges corresponding to the positions of the wire pressing terminals and used for wires to pass through, and the covered edges are covered on the outer side of the upper box body when the upper box body and the lower box body are buckled.

7. The waterproof junction box of claim 1, wherein: the wiring cavity is internally provided with a bus positioning plate, the bus positioning plate is provided with an arc-shaped groove for a bus to pass through, and the corresponding position of the upper box body is also provided with a bus positioning plate which is also provided with an arc-shaped groove.