CN216959284U

CN216959284U - Waterproof junction box

Info

Publication number: CN216959284U
Application number: CN202220729888.2U
Authority: CN
Inventors: 钱武慎
Original assignee: Zhejiang Jinghong Electric Co ltd
Current assignee: Zhejiang Jinghong Electric Co ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-07-12
Anticipated expiration: 2032-03-30

Abstract

The utility model relates to a junction box, in particular to a waterproof junction box, which comprises a shell, wherein a terminal for connecting a conductor is arranged in the shell, a terminal which protrudes out of the shell and is used for the conductor to penetrate through is arranged on the side part of the shell, a waterproof device is arranged in the terminal, a fastener is arranged outside the terminal, and the shell and the conductor are connected to realize water prevention through the cooperation of the terminal, the waterproof device and the fastener Convenient processing and easy assembly, and strong practicability.

Description

Waterproof junction box

Technical Field

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

Background

The terminal box on the market designs a through wires hole at the periphery of box body basically, realizes waterproofly through installing the sleeve pipe on the electric wire, and water-proof effects is poor, and how to promote the water-proof effects of terminal box is the technical problem that we will solve at present.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a waterproof junction box.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a waterproof junction box, its characterized in that, includes the casing, is equipped with the terminal that is used for connecting the electric conductor in the casing, and the lateral part of this casing is equipped with to the outer arch of casing, and supplies the terminal that the electric conductor runs through, is equipped with watertight fittings in the terminal, and the terminal is equipped with the fastener outward, and the cooperation through terminal, watertight fittings and fastener of being connected of casing and electric conductor realizes waterproofly.

The waterproof device comprises a first waterproof rubber ring and a second waterproof rubber ring which are sleeved in a large mode and a small mode, and the first waterproof rubber ring and the second waterproof rubber ring are arranged in the wiring terminal to achieve waterproofing.

The waterproof rubber ring of second is equipped with the fender portion of connecing that prevents first waterproof rubber ring and the waterproof rubber ring of second relative motion, and first waterproof rubber ring and the waterproof rubber ring of second realize spacingly through the terminal surface of first waterproof rubber ring and the cooperation of fender portion of connecing.

Be equipped with in the terminal and prevent that first waterproof rubber ring from getting into the stopping portion of casing, on the first waterproof rubber ring and for another terminal surface of fender portion realize spacing in the terminal through the cooperation with stopping portion.

And the binding post and the fastener are fixedly assembled in a threaded mode.

The end of the binding post is provided with a plurality of limiting claws which are used for clamping the waterproof device and are arranged along the axial direction parallel to the binding post, and the tightness of the limiting claws is opened and closed by fastening of a fastening piece.

The casing includes fixed mounting's last casing and lower casing, and terminal set up on casing down, go up and be equipped with waterproof gasket between casing and the lower casing, waterproof gasket is around last casing and casing complex terminal surface extension setting down.

The waterproof gasket is provided with a convex ring extending around the waterproof gasket, the upper shell is provided with a groove matched with the convex ring, and the waterproof gasket and the upper shell are clamped into the groove through the convex ring to realize limiting.

And a first flange protruding towards the direction of the waterproof gasket is arranged in the end face and/or the groove of the lower shell.

Go up casing and lower casing and pass through the mode fixed assembly of screw-up, be equipped with the screw post that supplies the screw assembly down on the casing, the terminal surface of screw post flushes with the terminal surface of casing down, is equipped with on the terminal surface of screw post around the screw setting, and the second flange that links up mutually with first flange.

The utility model has the beneficial effects that: the wiring terminal is extended from the side part of the shell, the waterproof rubber ring is arranged in the wiring terminal, and the nut outside the wiring terminal is used for clamping the electric wire to realize waterproofing, so that the waterproof effect is good, the waterproof rubber ring is in a two-sleeved structural form, so that a user can assemble, disassemble and assemble the electric wire with different thicknesses for waterproof treatment, the waterproof structure is very practical, in addition, the design is optimized on the waterproof gasket between the upper shell and the lower shell, so that the integral waterproof performance of the wiring terminal is further improved, and the waterproof structure has the characteristics of simple structure, convenience in processing and easiness in assembly, and is high in practicability.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is an enlarged view of FIG. 2 at B;

FIG. 5 is a cross-sectional view of the structure of the present invention;

FIG. 6 is a schematic structural view of the lower housing of the present invention;

fig. 7 is a schematic structural view of the upper case of the present invention.

Detailed Description

As shown in fig. 1-7, a waterproof junction box, including a casing 100, a terminal 200 for connecting a conductor is arranged in the casing 100, a side portion of the casing 100 is provided with a terminal 110 protruding outward from the casing 100 and allowing the conductor to pass through, a waterproof device 300 is arranged in the terminal 110, a fastener 111 is arranged outside the terminal 110, the casing 100 and the conductor are connected through the terminal 110, the waterproof device 300 and the fastener 111 are matched to realize waterproofing, the terminal 110 and the lower casing 130 can be of an integrated structure, the conductor (not shown in the figure) refers to a wire product of electric power transmission of wire cables in the application, the junction box is provided with a protruding terminal 110 through the side portion of the casing 100, a waterproof rubber ring is arranged in the terminal 110, and the waterproof purpose is achieved.

The waterproof device 300 comprises a first waterproof rubber ring 310 and a second waterproof rubber ring 320 which are sleeved in a large mode and a small mode, the first waterproof rubber ring 310 and the second waterproof rubber ring 320 are arranged in the wiring terminal 110 to achieve waterproof, the first waterproof rubber ring 310 and the second waterproof rubber ring 320 are mainly waterproof measures for the wiring terminal 110, the first waterproof rubber ring 310 and the second waterproof rubber ring 320 can be made of silica gel materials, so that the two rubber rings are designed to be matched with wires with different thicknesses, when thin wires are encountered, the first waterproof rubber ring 310 and the second waterproof rubber ring 320 are sleeved in a sleeved mode, when thick wires are encountered, the second waterproof rubber ring 320 in the inner portion can be taken away, and only the first waterproof rubber ring 310 is left.

Be equipped with on the waterproof rubber ring of second 320 and prevent that first waterproof rubber ring 310 and the waterproof rubber ring 320 of second move in opposite directions fender portion 321, first waterproof rubber ring 310 and the waterproof rubber ring 320 of second realize spacingly through the terminal surface of first waterproof rubber ring 310 and the cooperation of fender portion 321, add the design of fender portion 321, can prevent that second waterproof rubber ring 320 shifts in to terminal 110 when wearing the conductor.

Be equipped with in the terminal 110 and prevent that first waterproof rubber ring 310 from getting into stopping portion 112 of casing 100, on first waterproof rubber ring 310 and for another terminal surface of fender portion 321 realize spacing in terminal 110 through the cooperation with stopping portion 112, add stopping portion 112 and mainly prevent that first waterproof rubber ring 310 shifts in to terminal 110 when wearing the conductor.

The binding post 110 and the fastener 111 are fixedly assembled in a threaded mode, and assembly is facilitated.

The tip of terminal 110 is equipped with a plurality of and is used for pressing from both sides tight watertight fittings 300, and along the spacing claw 113 that is on a parallel with the axial setting of terminal 110, and the elasticity of spacing claw 113 is opened and close through the fastening realization of fastener 111, and when fastener 111 fastened, the tip of spacing claw 113 gathered to terminal 110 and is used for chucking first waterproof rubber ring 310.

The housing 100 includes an upper housing 120 and a lower housing 130 which are fixedly assembled, the terminal 200 and the terminal 110 are disposed on the lower housing 130, a waterproof gasket 140 is disposed between the upper housing 120 and the lower housing 130, the waterproof gasket 140 extends around the end surfaces of the upper housing 120 and the lower housing 130, and the waterproof gasket 140 mainly takes waterproof measures for the assembling surface between the upper housing 120 and the lower housing 130.

Waterproof gasket 140 is last to be equipped with the protruding circle 141 that extends around waterproof gasket 140, is equipped with the recess 121 that cooperates protruding circle 141 on the last casing 120, and waterproof gasket 140 realizes spacingly through protruding circle 141 card income recess 121 with last casing 120, adds recess 121 and protruding circle 141, has promoted water-proof effects.

The end surface of the lower housing 130 and/or the groove 121 are provided with a first flange 122 protruding towards the waterproof gasket 140, and the waterproof effect of the waterproof gasket 140 is better by adding the flange. Go up casing 120 and lower casing 130 and pass through the fixed assembly of screw-up's mode, be equipped with the screw post 131 that supplies the screw assembly down on casing 130, the terminal surface of screw post 131 flushes with the terminal surface of casing 130 down, be equipped with on the terminal surface of screw post 131 around the screw setting, and with the second flange 132 that first flange 122 link up, waterproof gasket 140 also can cooperate second flange 132 around the screw setting in screw post 131 department, the joining of second flange 132 has improved waterproof scope, water-proof effects is better.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and substitutions may be made by one of ordinary skill in the art without departing from the spirit and scope of the utility model.

Claims

1. The waterproof junction box is characterized by comprising a shell (100), wherein a terminal (200) used for connecting a conductor is arranged in the shell (100), the side portion of the shell (100) is provided with a terminal (110) protruding outwards the shell (100) and allowing the conductor to penetrate through, a waterproof device (300) is arranged in the terminal (110), a fastener (111) is arranged outside the terminal (110), and the shell (100) and the conductor are connected in a waterproof mode through the cooperation of the terminal (110), the waterproof device (300) and the fastener (111).

2. The waterproof junction box of claim 1, wherein the waterproof device (300) comprises a first waterproof rubber ring (310) and a second waterproof rubber ring (320) which are sleeved in a large-small mode, and the first waterproof rubber ring (310) and the second waterproof rubber ring (320) are arranged in the wiring terminal (110) to achieve waterproof.

3. The waterproof junction box according to claim 2, wherein a blocking portion (321) for preventing the first waterproof rubber ring (310) and the second waterproof rubber ring (320) from moving in opposite directions is arranged on the second waterproof rubber ring (320), and the first waterproof rubber ring (310) and the second waterproof rubber ring (320) are limited by the matching of the end face of the first waterproof rubber ring (310) and the blocking portion (321).

4. The waterproof junction box according to claim 3, wherein a retaining portion (112) for preventing the first waterproof rubber ring (310) from entering the housing (100) is arranged in the terminal (110), and the other end face of the first waterproof rubber ring (310) opposite to the blocking portion (321) is limited in the terminal (110) by matching with the retaining portion (112).

5. The watertight junction box according to claim 2, characterized in that said terminal (110) and said fastener (111) are fixedly assembled by means of a thread.

6. The waterproof junction box according to claim 5, wherein the terminal (110) is provided at an end thereof with a plurality of retaining claws (113) for clamping the waterproof device (300) and arranged in parallel with the axial direction of the terminal (110), and the tightness of the retaining claws (113) is opened and closed by fastening of the fastening member (111).

7. The waterproof junction box of any one of claims 1 to 6, wherein the housing (100) comprises an upper housing (120) and a lower housing (130) which are fixedly assembled, the terminal (200) and the terminal (110) are arranged on the lower housing (130), a waterproof gasket (140) is arranged between the upper housing (120) and the lower housing (130), and the waterproof gasket (140) extends around the matched end surfaces of the upper housing (120) and the lower housing (130).

8. The waterproof junction box according to claim 7, wherein the waterproof gasket (140) is provided with a convex ring (141) extending around the waterproof gasket (140), the upper housing (120) is provided with a groove (121) matching with the convex ring (141), and the waterproof gasket (140) and the upper housing (120) are clamped into the groove (121) through the convex ring (141) to realize the limiting.

9. The watertight junction box according to claim 8, characterized in that the end face of the lower housing (130) and/or the recess (121) is provided with a first flange (122) protruding towards the watertight gasket (140).

10. The waterproof junction box of claim 9, wherein the upper housing (120) and the lower housing (130) are fixedly assembled by means of screw fastening, a screw post (131) for assembling the screw is provided on the lower housing (130), an end surface of the screw post (131) is flush with an end surface of the lower housing (130), and a second flange (132) disposed around the screw and connected to the first flange (122) is provided on the end surface of the screw post (131).