CN216903468U

CN216903468U - Terminal box and plug wire head convenient to peg graft

Info

Publication number: CN216903468U
Application number: CN202220226588.2U
Authority: CN
Inventors: 胡杰; 胡雍建
Original assignee: Zhongshan Huguang Electronic Technology Co ltd
Current assignee: Zhongshan Huguang Electronic Technology Co ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-07-05
Anticipated expiration: 2032-01-27

Abstract

The utility model relates to the technical field of a junction box and a connector lug structure of a patch cord, in particular to a drop-proof junction box; comprises an upper shell and a lower shell, wherein the lower shell is provided with an accommodating cavity; the upper shell and the lower shell are connected through a buckle; one end of the upper shell is provided with an upper end face, the upper end face is provided with a first wiring hole, the first wiring hole comprises a first arc-shaped hole, and two ends of the first arc-shaped hole extend to form a first square hole respectively; the upper end surface comprises an upper end surface bottom side; the first square hole is communicated with the bottom side of the upper end face; the lower shell is provided with a lower end face, a second wiring hole is formed in the lower end face and comprises a second arc-shaped hole, and two second square holes extend from two ends of the second arc-shaped hole respectively; the lower end surface comprises a lower end surface bottom side; the second square hole is communicated with the bottom side of the lower end face; the utility model also discloses a plug wire head which is used for plugging the junction box, and after the plug wire head is inserted into the junction box, the electric wire is stably connected with the junction box, cannot be loosened and has high safety.

Description

Terminal box and plug wire head convenient to peg graft

Technical Field

The utility model relates to the technical field of terminal box and terminal block structures of plug wires, in particular to a terminal box and a plug wire block capable of preventing loosening.

Background

In daily life and industrial production, the method is often applied to the scene of wire plugging, for example, a power supply wire head needs to be plugged on a power supply body, in the traditional plugging mode, the wire head is directly plugged into a wire plugging hole, so that a hidden danger is brought, because the existing wire plugging head and the wire plugging hole both adopt a circular structure, and the wire plugging head and the wire plugging hole are separated; when the round wire insertion head is inserted into the round wire insertion hole, the wire is pulled carelessly, and the wire insertion head is easily pulled out of the wire insertion hole, so that power interruption is caused, a lot of unnecessary troubles are generated, and even a safety risk is generated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a junction box, which is convenient to insert a plug wire head, is stable and firm after the plug wire head is inserted into the junction box, cannot loosen, and is high in safety and strong in practicability.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: an anti-loosening junction box comprises an upper shell and a lower shell, wherein the lower shell is provided with an accommodating cavity; the upper shell and the lower shell are connected in a buckling manner; one end of the upper shell is provided with an upper end face, the upper end face is provided with a first wiring hole, the first wiring hole comprises a first arc-shaped hole, and two ends of the first arc-shaped hole extend to form a first square hole respectively; the upper end surface comprises an upper end surface bottom side; the first square hole is communicated with the bottom side of the upper end face;

the lower shell is provided with a lower end face, a second wiring hole is formed in the lower end face and comprises a second arc-shaped hole, and two second square holes extend from two ends of the second arc-shaped hole respectively; the lower end surface comprises a lower end surface bottom side; the second square hole is communicated with the bottom side of the lower end face;

after the upper shell and the lower shell are connected and installed in a buckling mode, the first wiring hole is communicated with the second wiring hole to form a wiring through hole.

Furthermore, the upper shell comprises two upper end surfaces which are provided with two first wiring holes; the lower shell comprises two lower end faces provided with two second wiring holes; after the upper shell and the lower shell are connected and installed in a buckling mode, the anti-loosening junction box is provided with two wiring through holes.

Further, the upper shell is provided with a boss, the inner wall of the lower shell is provided with a clamping groove, the boss of the upper shell is clamped into the clamping groove, and the upper shell is tightly connected with the lower shell in a clamping manner.

Furthermore, a positioning column is arranged in the accommodating cavity.

Furthermore, a buckle structure is further arranged on the inner wall of the side edge of the accommodating cavity and used for buckling the circuit board.

Furthermore, a surrounding plate is arranged at one side, close to the second wiring hole, in the accommodating cavity, and two ends of the surrounding plate are connected to the inner wall of the lower end face; the coaming and the inner wall of the lower end face jointly form a movable cavity.

Furthermore, a plurality of radiating grooves are formed in the upper shell.

The utility model also provides a plug wire head which is plugged in the junction box and comprises a plug wire seat, wherein the front end of the plug wire seat is provided with a plug core, and the outer wall of the plug core is provided with a convex point; the convex points are aligned with the first square holes and the second square through holes, after the inserting core is inserted into the wiring through hole, the positions of the convex points are changed, and the upper end face or the lower end face abuts against the convex points.

Therefore, the junction box comprises the upper shell and the lower shell which are connected in a snap-in type mounting manner, and is very convenient to use, the upper shell is provided with the first wiring hole, the lower shell is provided with the second wiring hole, and the first wiring hole and the second wiring hole form a wiring through hole together; the first wiring hole and the second wiring hole respectively comprise an arc-shaped hole and a square hole; the utility model also provides a plug wire head which comprises a plug core, wherein the plug wire is provided with a salient point, the salient point is aligned to the first square hole and the second square through hole during plugging, the plug wire head is rotated after the plug core is inserted into the wiring through hole, the position of the salient point is changed, and the upper end surface or the lower end surface resists and blocks the salient point; therefore, after the electric wire is pulled by external force, the upper end surface or the lower end surface abuts against the salient points, so that the wire inserting head cannot be pulled out of the wire inserting through hole, the electric wire is stably connected with the junction box and cannot be loosened, and the safety is high; and still be equipped with buckle structure in the inferior valve for buckle circuit board prevents that the circuit board from rocking, also is equipped with the reference column for buckle positioning circuit board prevents that the direction from adorning when the circuit board is installed anti-, and the practicality is high.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of the overall structure of a drop resistant junction box of the present invention;

FIG. 2 is a schematic structural view of an upper housing of a drop resistant junction box of the present invention;

FIG. 3 is a schematic structural view of the lower case of a drop resistant junction box of the present invention;

FIG. 4 is a schematic view of a plug according to the present invention;

fig. 5 is a schematic structural diagram of the circuit board of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention are 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Fig. 1 is a schematic view of an overall structure of a drop-proof junction box according to the present invention; fig. 2 is a schematic structural view of an upper case of the anti-drop terminal box of the present invention; FIG. 3 is a schematic structural view of a lower case of the anti-drop junction box of the present invention; the anti-loosening junction box comprises an upper shell 1 and a lower shell 2, wherein the lower shell 2 is provided with an accommodating cavity; the upper shell 1 and the lower shell 2 are connected in a buckling manner; an upper end face 12 is arranged at one end of the upper shell 1, a first wiring hole is formed in the upper end face 12 and comprises a first arc-shaped hole 13, and a first square hole 14 extends from each of two ends of the first arc-shaped hole 13; the upper end face 12 includes an upper end face bottom side 121; the first square hole 14 is communicated with the bottom side 121 of the upper end face;

the lower shell 2 is provided with a lower end face 22, the lower end face 22 is provided with a second wiring hole, the second wiring hole comprises a second arc-shaped hole 23, and two ends of the second arc-shaped hole 13 extend to form a second square hole 24 respectively; the lower end face 22 includes a lower end face bottom side 221; the second square hole 24 is communicated with the bottom side 221 of the lower end face; after the upper shell 1 and the lower shell 2 are connected and mounted in a buckling mode, the first wiring hole is communicated with the second wiring hole to form a wiring through hole 3; therefore, when the upper case 1 and the lower case 2 are snap-fitted, the both sides of the wiring through-hole 3 are seen in a notch shape.

Preferably, the upper shell 1 comprises two upper end surfaces 12, and two first wiring holes are formed in the upper end surfaces; the lower shell 2 comprises two lower end faces provided with two second wiring holes; after the upper shell 1 and the lower shell 2 are connected and installed in a buckling mode, the anti-loosening junction box is provided with two wiring through holes 3.

As a buckle mode, epitheca 1 is equipped with boss 15, be equipped with draw-in groove 26 on the inner wall of inferior valve 2, will the boss 15 card of epitheca 1 is gone into extremely behind draw-in groove 26, epitheca 1 and inferior valve 2 inseparable buckle are connected.

In the present invention, the accommodating cavity is further provided with a positioning column 25, as shown in fig. 5, which is a schematic structural diagram of the circuit board of the present invention. The circuit board is arranged in the accommodating cavity and comprises a board body 5, a direct current socket 51 is arranged on the board body 5, and a jack 52 is arranged on the direct current socket 51; a notch 53 is formed in one end of the plate body 5, and the notch 53 is aligned with the positioning column 25; so that one end of the circuit board with the notch is installed on one side of the positioning column 25; preferably, labels of "IN" and "OUT" are respectively provided at two ends of the lower case 2, for example, one end provided with the positioning column 25 is labeled as "IN", and the other end is labeled as "OUT"; then when inserting the installation circuit board, can be with the one end card that has breach 53 in reference column 25 department, promptly for the incoming end, easy to assemble, direction ann is reversed when the installation circuit board can not.

And a buckling structure 28 is further arranged on the inner wall of the side edge of the accommodating cavity and used for buckling the circuit board. The board body 5 of the circuit board comprises a board body edge 54, the board body edge 54 is inserted into the buckling structure 28, so that the circuit board is stably clamped and mounted in the accommodating cavity and cannot shake, and the buckling structure 28 is provided with a plurality of parts.

In the utility model, a surrounding plate 27 is arranged at one side of the accommodating cavity close to the second wiring hole, and two ends of the surrounding plate 27 are connected with the inner wall of the lower end surface 22; the shroud 27 cooperates with the inner wall of the lower end face 22 to form a movable chamber 29.

The upper shell 1 is provided with a plurality of radiating grooves 11 for radiating the junction box.

Fig. 4 is a schematic view of a plug according to the present invention; the plug wire of the utility model is plugged in the junction box, the plug wire comprises a plug wire seat 43, the front end of the plug wire seat 43 is provided with a plug core 41, and the rear end of the plug wire seat 43 is connected with an electric wire 44;

the outer wall of the insertion core 41 is provided with a salient point 42; the bump 42 is aligned with the first square hole 14 and the second square through hole, after the ferrule 41 is inserted into the wiring through hole 3, the position of the bump 42 changes, and the upper end surface 12 or the lower end surface 22 abuts against the bump 42. When the plug is required to be pulled out, the plug seat 43 is rotated to align the salient point 42 with the first square hole and the second square hole, so that the plug can be pulled out.

During plugging, the salient point 42 is aligned with the first square hole and the second square through hole, namely the position of a gap in the wiring through hole, after the inserting core 41 is inserted into the wiring through hole 3, the salient point 42 of the plug is positioned in the movable cavity 29 at the moment, the plug is rotated, the salient point rotates in the movable cavity, the position of the salient point changes, and the upper end surface or the lower end surface abuts against the salient point 42; therefore, after the electric wire is pulled by carelessness or other external forces, the wire inserting head cannot be pulled out of the wiring through hole due to the fact that the upper end face or the lower end face abuts against the salient points, the electric wire and the wiring box are stably connected and cannot be loosened, and safety is high.

In the present invention, as another mode, the ferrule 41 is provided with a jack, and the jack 52 of the dc jack 51 is changed to a plug rod to plug-connect the plug rod and the jack.

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 may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. An anti-loosening junction box comprises an upper shell (1) and a lower shell (2), and is characterized in that the lower shell (2) is provided with an accommodating cavity; the upper shell (1) is connected with the lower shell (2) in a buckling manner; an upper end face (12) is arranged at one end of the upper shell (1), a first wiring hole is formed in the upper end face (12), the first wiring hole comprises a first arc-shaped hole (13), and a first square hole (14) extends from each of two ends of the first arc-shaped hole (13); the upper end face (12) comprises an upper end face underside (121); the first square hole (14) is communicated with the bottom side (121) of the upper end face;

the lower shell (2) is provided with a lower end face (22), the lower end face (22) is provided with a second wiring hole, the second wiring hole comprises a second arc-shaped hole (23), and two ends of the second arc-shaped hole (23) extend to form a second square hole (24) respectively; the lower end face (22) comprises a lower end face bottom side (221); the second square hole (24) is communicated with the bottom side (221) of the lower end face;

after the upper shell (1) and the lower shell (2) are connected and installed in a buckling mode, the first wiring hole is communicated with the second wiring hole to form a wiring through hole (3).

2. Anti-drop terminal block according to claim 1, characterized in that the upper shell (1) comprises two upper end faces (12) provided with two first wiring holes; the lower shell (2) comprises two lower end faces which are provided with two second wiring holes; after the upper shell (1) and the lower shell (2) are connected and installed in a buckling mode, the anti-loosening junction box is provided with two wiring through holes (3).

3. The drop-proof junction box according to claim 2, wherein the upper shell (1) is provided with a boss (15), the inner wall of the lower shell (2) is provided with a clamping groove (26), and after the boss (15) of the upper shell (1) is clamped into the clamping groove (26), the upper shell (1) is tightly connected with the lower shell (2) in a clamping manner.

4. Anti-drop terminal block according to claim 2, wherein the receiving cavity is further provided with a positioning post (25).

5. The anti-drop junction box of claim 2, wherein a snap structure (28) is further disposed on an inner side wall of the receiving cavity for snapping the circuit board.

6. A drop-proof terminal box according to claim 2, wherein a surrounding plate (27) is arranged in the accommodating cavity on a side close to the second wiring hole, and two ends of the surrounding plate (27) are connected to the inner wall of the lower end surface (22); the enclosing plate (27) and the inner wall of the lower end surface (22) jointly form a movable cavity (29).

7. Anti-drop terminal block according to claim 1, characterized in that the upper housing (1) is provided with a plurality of heat dissipation grooves (11).

8. The plug for being plugged into the anti-loose junction box according to claim 1, wherein the plug comprises a plug seat (43), the front end of the plug seat (43) is provided with a plug core (41), and the outer wall of the plug core (41) is provided with a salient point (42); the salient points (42) are aligned to the first square holes (14) and the second square holes (24), after the inserting core (41) is inserted into the wiring through hole (3), the positions of the salient points (42) are changed, and the upper end face (12) or the lower end face (22) abuts against the salient points (42).