CN218040651U

CN218040651U - Terminal box

Info

Publication number: CN218040651U
Application number: CN202222055059.3U
Authority: CN
Inventors: 唐建光
Original assignee: Zhejiang Ailong Electrical Appliance Co ltd
Current assignee: Zhejiang Ailong Electrical Appliance Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2022-12-13
Anticipated expiration: 2032-08-05

Abstract

The utility model relates to a junction box; the cable connecting device for the electrical equipment comprises a shell and a shell cover, wherein the shell is hinged with the shell cover, a plurality of contact units are arranged in the shell, each contact unit comprises a plurality of bases, a plurality of wiring terminals arranged on the bases and a grounding wire contact piece, and is characterized in that the grounding wire contact piece is arranged in the shell, a eliminating clamp used for fixing a cable is arranged in the lower end of the shell, the eliminating clamp comprises a clamping seat part and a clamp body part, the clamping seat part is integrally formed with the shell, the clamp body part is hinged with one end of the clamping seat part, a threaded hole is formed in the other end of the clamping seat part, a butt joint hole is formed in the other end of the clamp body part corresponding to the threaded hole, after the clamping seat part and the clamp seat part are closed, the cable is clamped between the clamping seat part and the clamp seat part, and a bolt penetrates through the butt joint hole and is screwed into the threaded hole, so that the clamping seat part and the clamp body part are kept in a closed clamping state; so as to improve the connection fixing strength of the cable.

Description

Terminal box

Technical Field

The utility model relates to a terminal box field, concretely relates to terminal box.

Background

The junction box is one of the electrical accessories, because the electric wire for decoration is passed through the electric wire tube, and the junction position of the electric wire (such as the line is longer, or the electric wire tube is required to turn) adopts the junction box as the transition, the electric wire tube is connected with the junction box, the electric wire in the wire tube is connected in the junction box, and the functions of protecting the electric wire and connecting the electric wire are played

Traditional terminal box includes casing and cap, a plurality of wiring ends have been arranged in the casing, in order to prevent that the cable of inserting is difficult for rocking or being torn apart, the conventionality is equipped with one and eliminates the clamp, the access end of cable carries out the centre gripping fixed, and at present, it all sets up in the casing outside on the one hand to eliminate to press from both sides, be in and expose the state, easily take place destruction and wearing and tearing, on the other hand, eliminate the mode that presss from both sides and adopt the elasticity fastener and carry out the joint, after using a period, the elasticity fastener warp and can't reach the fixed effect of buckle, and then lose the effect of fixing the cable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a terminal box can increase the connection fixed strength of cable effectively.

In order to achieve the above object, the main technical solution of the present invention is a terminal box for connecting cables of electrical equipment, comprising a housing and a housing cover, wherein the housing is hinged to the housing cover, a plurality of contact units are disposed in the housing, each contact unit comprises a plurality of bases, a plurality of terminals disposed on the bases, and a ground wire contact plate, the terminal and the ground wire contact plate are disposed in the housing, a clip for fixing the cables is disposed in the lower end of the housing, the clip comprises a holder portion integrally formed with the housing and a clip portion hinged to one end of the holder portion, the other end of the holder portion is provided with a threaded hole, the other end of the clip portion is provided with a butt hole, when the clip portion and the holder portion are closed, the cables are clamped between the two ends, and the clip portion and the holder portion are kept in a closed clamping state by passing bolts through the butt holes and screwing the threaded holes.

In some examples, the clamping seat part is provided with a notch facilitating the penetration of the cable at the same position of the two symmetrical side walls, and the notch is in an inverted trapezoid shape; the clamp body part is provided with two parallel symmetrical convex edges, and the middle parts of the convex edges are concave arcs; when the clamp body part and the clamp seat part are closed, the middle parts of the convex ribs are opposite to the gaps in a staggered mode.

In some examples, a bundling wire frame is arranged between two side walls of the clamping seat part, the bundling wire frame is provided with a U-shaped bundling opening with an upward opening, and the U-shaped bundling opening and the notch are located on the same axis.

In some examples, the outer wall surface of the clamping seat part opposite to the notch extends outwards perpendicularly to form a semicircular arc edge, and the outer wall surface of the shell cover opposite to the shell cover is also provided with a semicircular arc edge; the shell cover rotates around the hinged position and then is clamped and fixed with the shell body, and the two semicircular arc edges form a sleeve.

In some examples, the outer wall surface of the housing corresponding to the base is provided with a plug assembly, the plug assembly comprises a plug socket and a plug arranged in the plug socket, and the inner end of the plug is communicated with the contact unit.

In some examples, a plurality of elastic locking pieces are arranged on the side wall of the socket, and after the plug assembly is fixedly plugged with a corresponding equipment socket, the plug assembly is buckled with a panel where the equipment socket is located through the elastic locking pieces.

In some examples, three resilient locking members are provided, the positional lines at which the three resilient locking members are arranged forming a triangle.

In some examples, the butt-joint hole is a long through hole, and the bolt is placed in the long through hole and can be locked and screwed into the threaded hole by traversing along the arrangement direction of the bolt.

In some examples, the contact unit comprises three bases arranged in a delta shape and each provided with a terminal comprising a screw clamp.

In some examples, the patch socket is provided with an auxiliary guide insertion plate.

The utility model discloses owing to adopted above technical scheme to realize following effect:

1. the eliminating clamp is arranged in the shell, and when the shell and the shell cover are closed, the eliminating clamp can be hidden in the shell to prevent the eliminating clamp from being damaged;

2. the clamp body part and the clamp seat part are screwed and fixed through bolts, so that the connecting and fixing degree of the cable in the junction box can be enhanced, and the cable is prevented from being easily torn off or separated from the junction box;

3. the grounding wire contact piece is arranged in the shell, so that the grounding wire contact piece cannot protrude to the outside, and the user experience is improved;

4. the opening of the base is larger than the opening of the conventional base, so that cables of various styles can be placed conveniently;

5. the elastic locking fastener is arranged to further fix the connection stability of the junction box and other equipment after the locking fastener is buckled with a panel where other equipment sockets are located, and the junction box is not easy to separate;

drawings

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

figure 2 is a schematic diagram of the structure from another perspective of the embodiment of figure 1,

figure 3 is a schematic view of the embodiment of figure 2 from a planar perspective,

in the figure: the wire harness clamping device comprises a shell 1, a shell cover 2, a wiring terminal 3, a screw clamping piece 4, a grounding wire contact piece 5, a clamping seat part 6, a clamping body part 7, a threaded hole 8, a butt joint hole 9, a bolt 10, a convex rib 11, a wire harness frame 12, a notch 13, a semi-circular arc edge 14, a connecting seat 15, a plug 16, an elastic locking piece 17 and an auxiliary guiding inserting plate 18.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships that are based on those shown in the drawings, which are merely for convenience in describing the present invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus the terms are not to be construed as limiting the invention.

It is understood that the terms "a" and "an" should be interpreted as meaning "at least one" or "one or more," i.e., the number of an element can be one in one embodiment and the number of such elements can be plural in other embodiments, and the terms "a" and "an" should not be interpreted as limiting the number.

The first embodiment is as follows:

referring to figures 1 to 3 of the drawings accompanying the present invention, a junction box according to a preferred embodiment of the present invention is illustrated; the cable (cable) connection for the electrical equipment comprises a shell 1 and a shell cover 2, wherein the shell 1 is hinged with the shell cover 2, a plurality of contact units are arranged in the shell 1, each contact unit comprises a plurality of bases, a plurality of wiring terminals 3 arranged on the bases and a grounding wire contact piece 5, the grounding wire contact piece 5 is arranged in the shell 1, a eliminating clamp for fixing the cable is arranged at the lower end of the shell 1, the eliminating clamp comprises a clamping seat part 6 integrally formed with the shell 1 and a clamping body part 7 hinged with one end of the clamping seat part 6, a threaded hole 8 is arranged at the other end of the clamping seat part 6, a butt joint hole 9 is arranged at the other end of the clamping seat part 7 corresponding to the threaded hole 8, after the clamping body part 7 and the clamping seat part 6 are closed, the cable is clamped between the clamping body part 7 and the clamping seat part 6, and the bolt 10 penetrates through the butt joint hole 9 and is screwed into the threaded hole 8, so that the clamping body part 7 and the clamping seat part 6 are kept in a closed clamping state; the technical scheme has the main innovation points that: 1. the eliminating clamp is arranged in the shell 1, and after the shell 1 and the shell cover 2 are closed, the eliminating clamp can be hidden inside to prevent damage; 2. the clamp body part 7 and the clamp seat part 6 are screwed and fixed through the bolt 10, so that the connecting and fixing degree of the cable in the junction box can be enhanced, and the cable is prevented from being easily broken or separated from the junction box; 3. the grounding wire contact piece 5 is arranged in the shell 1, so that the grounding wire contact piece is not protruded to the outside, and the user experience is improved; the contact unit comprises three bases and a wiring terminal 3 arranged on each base, the three bases are arranged in a delta shape, each wiring terminal 3 comprises a screw clamping piece 4, and a wire core of a cable can be wound into each screw clamping piece 4 and can be screwed and fixed through each screw clamping piece 4; in order to adapt to various types of cables, such as a harpoon cable, in the embodiment, the opening of the base is larger than the opening of the conventional base, so that various types of cables can be placed conveniently.

Specifically, notches 13 facilitating the penetration of cables are arranged at the same positions of two symmetrical side walls of the clamping seat part 6, and the notches 13 are in an inverted trapezoid shape; the clamp body part 7 is provided with two parallel symmetrical convex edges 11, and the middle parts of the convex edges 11 are in an inward concave arc shape; when the clamp body part 7 and the clamp seat part 6 are closed, the middle part of the convex edge 11 is opposite to the gap 13 in a staggered mode, the gap 13 of the cable is arranged to be in an inverted trapezoid shape, the purpose of effectively gathering the wiring harness is achieved, the effect of restraining the cable is achieved, the cable is prevented from being too scattered and being easily broken, in addition, the convex edge 11 of the clamp body part 7 is in a concave arc shape and is opposite to the gap 13 in a staggered mode, in the closing process of the clamp body part 7 and the clamp seat part 6, the concave arc shape can effectively gather the cable in the gap 13, and clamping and positioning strength is enhanced. In addition, in this embodiment, be equipped with a bunch frame 12 between the both sides wall of clamping part 6, bunch frame 12 is equipped with an opening U-shaped and restraints the mouth upwards, U-shaped is restrainted the mouth and is in on the same axis with breach 13, and when clamp body portion 7 carried out the clamp, can press the cable conductor centre gripping to bunch frame 12 to fix a position fixed cable conductor, prevent that its terminal box in the use, the cable conductor takes place excessive rocking or excessively bending.

A semicircular arc edge 14 extends outwards from the outer wall surface of the clamping seat part 6 opposite to the notch 13, and the outer wall surface of the shell cover 2 opposite to the shell cover is also provided with the semicircular arc edge 14; the shell cover 2 is fixed with the shell body 1 in a clamping mode after rotating around the hinged position, the two semicircular arc edges 14 form a sleeve, the action of the sleeve on the wire harness frame is similar, but the sleeve mainly prevents the breakage caused by excessive bending of the wire section of the cable placed in the shell body 1.

The outer wall surface of the shell 1 corresponding to the base is provided with a plug 16 assembly, the plug 16 assembly comprises a socket 15 and a plug 16 arranged in the socket 15, the inner end of the plug 16 is communicated with the contact unit, and after the plug 16 assembly is inserted into a socket of other equipment, the structure is the prior art, and redundant description is omitted; a plurality of elastic locking fasteners 17 are arranged on the side wall of the socket 15, and the plug 16 assembly is fastened with a panel where the equipment socket is located through the elastic locking fasteners 17 after being inserted and fixed with the corresponding equipment socket; the elastic locking fastener 17 is arranged to further fix the connection stability of the junction box and other equipment after the locking fastener is fastened with a panel where other equipment sockets are located, so that the junction box is not easy to separate; the further optimization scheme is that in the embodiment, three elastic locking components 17 are arranged, and the connecting lines of the positions where the three elastic locking components 17 are arranged form a triangle, so that the arrangement has a more stable effect according to the triangle; the plug receptacle 15 is provided with an auxiliary guide strip 18, which auxiliary guide strip 18 is effective in guiding the insertion success rate of the plug 16 assembly.

In the present embodiment, the docking hole 9 is a long through hole, and the bolt 10 is inserted into the long through hole and can be locked and screwed into the threaded hole 8 by traversing along the arrangement direction, which is advantageous in that the docking hole 9 and the threaded hole 8 can be allowed to correspond to each other; when the clamp body part 7 and the clamp seat part 6 are closed, the required preparation process precision is high when the butt joint hole 9 and the threaded hole 8 directly correspond to each other; therefore, the regulation through hole designed into a long strip can reduce the precision requirement, and the applicability is wider.

It will be understood by those skilled in the art that the embodiments of the present invention described above and shown in the drawings are given by way of example only and are not limiting of the present invention.

The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the embodiments without departing from the principles, embodiments of the present invention may have any deformation or modification.

Claims

1. A junction box is used for connecting cables of electrical equipment and comprises a shell (1) and a shell cover (2), wherein the shell (1) is hinged to the shell cover (2), a plurality of contact units are arranged in the shell (1), each contact unit comprises a plurality of bases, a plurality of wiring terminals (3) arranged on the bases and a grounding wire contact piece (5), the grounding wire contact piece (5) is arranged in the shell (1), an eliminating clamp used for fixing the cables is arranged in the lower end of the shell (1), the eliminating clamp comprises a clamping seat portion (6) integrally formed with the shell (1) and a clamp body portion (7) hinged to one end of the clamping seat portion (6), a threaded hole (8) is formed in the other end of the clamping seat portion (6), a butt joint hole (9) is formed in the other end of the clamp body portion (7) corresponding to the threaded hole (8), when the clamp body portion (7) and the clamping seat portion (6) are closed, the cables are clamped between the clamp body portion and the clamp seat portion (6) and the clamp body portion (7) and the clamp seat portion (6) is kept in a closed state through a bolt (10) penetrating through the butt joint hole (9) and the threaded hole (8).

2. The junction box according to claim 1, characterized in that the clamping seat part (6) is provided with a notch (13) for facilitating the penetration of the cable at the same position of the two symmetrical side walls, and the notch (13) is in an inverted trapezoid shape; the clamp body part (7) is provided with two parallel symmetrical convex ribs (11), and the middle parts of the convex ribs (11) are concave arcs; when the clamp body part (7) and the clamp seat part (6) are closed, the middle part of the convex rib (11) is opposite to the gap (13) in a staggered way.

3. Junction box according to claim 2, in which a wire-bundling frame (12) is provided between the two side walls of the holder part (6), said wire-bundling frame (12) having a U-shaped mouth with an upward opening, said U-shaped mouth being coaxial with the notch (13).

4. The junction box according to claim 2, characterized in that the outer wall surface of the holder portion (6) opposite to the notch (13) is extended with a semicircular arc edge (14) vertically and outwards, and the outer wall surface of the shell cover (2) opposite to the shell cover is also provided with a semicircular arc edge (14); the shell cover (2) is clamped and fixed with the shell body (1) after rotating around the hinged position, and the two semicircular arc edges (14) form a sleeve.

5. Junction box according to claim 1, characterised in that the outer wall of the housing (1) corresponding to the base is provided with a plug (16) assembly, which plug (16) assembly comprises a plug receptacle (15) and a plug (16) arranged in the plug receptacle (15), the inner end of the plug (16) communicating with the contact unit.

6. The terminal box according to claim 5, characterized in that a plurality of resilient latch members (17) are arranged on the side walls of the socket (15), and the plug (16) assembly is fastened to the panel where the equipment socket is located by the resilient latch members (17) after being plugged and fixed with the corresponding equipment socket.

7. Junction box according to claim 6, characterised in that three snap-lock elements (17) are provided, the positional lines at which the three snap-lock elements (17) are arranged forming a triangle.

8. Junction box according to claim 5, characterised in that the docking hole (9) is an elongated through hole, into which the bolt (10) can be placed by traversing in its direction of arrangement locked screwed into the threaded hole (8).

9. Junction box according to claim 1, characterised in that said contact unit comprises three bases and each base is provided with a terminal (3), the three bases being arranged in a delta shape, said terminals (3) comprising screw clamps (4).

10. Junction box according to claim 5, characterised in that the plug receptacle (15) is provided with an auxiliary guiding blade (18).