CN217485829U

CN217485829U - High-power wiring terminal of sealing structure

Info

Publication number: CN217485829U
Application number: CN202221568557.1U
Authority: CN
Inventors: 蔡鹏�; 张明明; 周盼
Original assignee: Dongguan Shangli Electronic Technology Co ltd
Current assignee: Dongguan Shangli Electronic Technology Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-09-23
Anticipated expiration: 2032-06-22

Abstract

The utility model provides a high-power wiring terminal with a sealing structure, which comprises a mounting base and a sealing cover covering the outer end of the mounting base; the mounting base comprises a first mounting surface and a mounting part extending outwards from the middle area of the first mounting surface, a plurality of conductive terminals are arranged in the mounting base, the outer side ends of the conductive terminals are provided with wiring holes, and the outer side ends of the mounting part are provided with first wire holes corresponding to the wiring holes; the sealing cover is provided with a second mounting surface corresponding to the first mounting surface and a second wire hole corresponding to the first wire hole; the sealing device further comprises a first sealing gasket matched with the outer side of the first mounting surface, a second sealing gasket matched with the inner side of the second mounting surface, and a third sealing gasket clamped between the outer end of the mounting portion and the sealing cover in a matched mode, wherein the third sealing gasket is provided with an elastic hole corresponding to the wiring hole. The wiring terminal has strong integral sealing performance, is convenient to change wires, and the wires are not easy to break when jolting.

Description

High-power wiring terminal of sealing structure

Technical Field

The utility model relates to an electric connector technical field specifically indicates a high-power binding post that is used for seal structure on the power amplifier product.

Background

When installing high-power amplifier additional on outdoor equipment such as yacht, cross country vehicle, because outdoor environment is moist and jolt big, the power amplifier device external power cord and the sinle silk of signal line not only break in locking department easily, intake from binding post moreover easily and cause the short circuit. The current mode is sealed with binding post department encapsulating, but is unfavorable for changing the wiring, for example when playing different styles music, different speakers need to be connected to power amplifier equipment's signal output interface, and it is comparatively troublesome to change the operation this moment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high-power binding post that the leakproofness is strong, change convenience, and the difficult rupture of sinle silk.

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

a high-power wiring terminal with a sealing structure comprises a mounting base and a sealing cover covering the outer end of the mounting base; the mounting base comprises a first mounting surface and a mounting part extending outwards from the middle area of the first mounting surface, a plurality of conductive terminals are arranged in the mounting base, the outer side ends of the conductive terminals are provided with wiring holes, and the outer side ends of the mounting part are provided with first wire holes corresponding to the wiring holes; the sealing cover is provided with a second mounting surface corresponding to the first mounting surface and a second line hole corresponding to the first line hole; still including the adaptation in the first sealed pad in the first installation face outside, the adaptation in the sealed pad of second installation face inboard to and the ground clamp place in installation department outside end with sealed third between the lid is sealed fills up, the third is sealed to have with the elasticity hole that the wiring hole corresponds.

According to the preferable scheme, the sealing device further comprises a plurality of locking screws which sequentially penetrate through the second mounting surface of the sealing cover, the second sealing gasket and the first sealing gasket from outside to inside, screw holes matched with the locking screws are formed in the first mounting surface, and the screw holes are blind holes.

The utility model provides a preferred scheme, the screw by injection moulding in take internal screw thread's five metals sleeve forms in the mounting base, just the periphery of five metals sleeve has prevents its relative mounting base pivoted ring gear.

According to a preferable scheme, the wiring hole comprises a circular counter bore which is located on the outer end face of the conductive terminal and used for paying off, and a machine-meter screw used for pressing the wire penetrates through the wiring hole in the radial direction, and the bottom end of the machine-meter screw is provided with an arc head matched with the inner wall of the circular counter bore.

According to the preferable scheme, the outer edge of the first mounting face reaches a sunk groove formed around the outer wall of the mounting portion, and the inner side face of the first sealing gasket is provided with a first filling portion matched with the sunk groove.

In a preferable scheme, a gap space is formed between the outer edge of the second mounting surface and the outer wall of the mounting portion, and a filling portion matched with the gap space is arranged on the outer side face of the second sealing gasket.

In a preferable mode, the peripheral wall of the third sealing gasket is in sealing contact with the inner wall of the sealing cover.

The beneficial effects are that: when the power amplifier is installed, the first installation surface of the installation base is in sealing abutting contact with the inner wall of the shell of the power amplifier through the first sealing gasket, the installation part extends out of the shell, the sealing cover is in sealing abutting contact with the outer wall of the shell of the power amplifier through the second sealing gasket, the electric wires sequentially penetrate into the wiring holes from the second wire holes of the sealing cover, the electric wires are sealed through the elastic holes of the third sealing gasket, meanwhile, the third sealing gasket seals the sealing cover and the installation part, and the whole sealing performance is strong; when wiring, the wire can be replaced only by taking down the sealing cover, so that the wire is convenient to replace; and the third sealing gasket has certain thickness and can form flexible support for the electric wire, so that the electric wire is not easy to break off in bumping.

Drawings

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

Fig. 1 is an overall structural schematic diagram of a connection terminal in an embodiment;

FIG. 2 is an exploded view of the terminal of the embodiment;

fig. 3 is an exploded view of the mounting base according to the embodiment.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

referring to fig. 1 to fig. 3, the present embodiment is described by taking a high-power connection terminal of a sealing structure as an example, where the connection terminal is fixedly installed on a casing of a power amplifier device, and the casing is provided with a mounting hole; the wiring terminal comprises a mounting base 1 and a sealing cover 2 covering the outer end of the mounting base 1. The mounting base 1 comprises a first mounting surface 11 abutting against the inner wall of a shell of the power amplifier equipment and a mounting part 12 extending out of a shell mounting hole from the middle area of the first mounting surface 11 to the outer side, a plurality of conductive terminals 13 are arranged in the mounting base 1, the inner side ends of the conductive terminals 13 are used for being welded with a PCB, the outer side ends of the conductive terminals 13 are provided with wiring holes 131, and the outer side ends of the mounting part 12 are provided with first wire holes 121 corresponding to the wiring holes 131; the sealing cover 2 is provided with a second mounting surface 21 corresponding to the first mounting surface 11 and a second wire hole 22 corresponding to the first wire hole 121, and when the sealing cover is mounted, the second mounting surface 21 is used for abutting against the outer wall of the shell of the power amplifier equipment and accommodating the mounting part 12 inside; the terminal also comprises a first sealing gasket 31 which is matched with the outer side of the first mounting surface 11, a second sealing gasket 32 which is matched with the inner side of the second mounting surface 21, and a third sealing gasket 33 which is clamped between the outer side end of the mounting part 12 and the sealing cover 2 in a matching mode, wherein the third sealing gasket 33 is provided with an elastic hole 331 which corresponds to the wiring hole 131 and is used for sealing an electric wire.

During installation, the first installation surface 11 of the installation base 1 is abutted against the inner wall of the shell of the power amplifier device in a sealing mode through the first sealing gasket 31, the installation part 12 extends out of the shell from the installation hole, the sealing cover 2 is abutted against the outer wall of the shell of the power amplifier device in a sealing mode through the second sealing gasket 32, the electric wires sequentially penetrate into the wiring holes 131 from the second wire holes 22 of the sealing cover 2 and are sealed through the elastic holes 331 of the third sealing gasket 33, meanwhile, the sealing cover 2 and the installation part 12 are sealed through the third sealing gasket 33, water vapor cannot enter the wiring terminals from the second installation surface 21 and the second wire holes 22, and the overall sealing performance of the wiring terminals is high; when wiring, the wire changing operation can be carried out only by taking down the sealing cover 2, so that the wire is convenient to change; the third gasket 33 has a thickness to form a flexible support for the electric wire, so that the electric wire is not easily broken when bumped.

The mounting base 1 and the sealing cover 2 can be locked and fixed by a plurality of screws arranged at any corresponding positions between the two, such as between the sealing cover 2 and the top surface or the side wall of the mounting part 12, or between the first mounting surface 11 and the second mounting surface 21. One preferred structure is: the sealing structure further comprises a plurality of locking screws 4 which sequentially penetrate through the second mounting surface 21 of the sealing cover 2, the second sealing gasket 32 and the first sealing gasket 31 from outside to inside, screw holes 14 matched with the locking screws 4 are formed in the first mounting surface 11, and the screw holes 14 are blind holes. Locking screw 4 can be fixed both with sealed lid 2 and mounting base 1, and is taut with first installation face 11 and second installation face 21 and power amplifier device's casing simultaneously, and simultaneously, the blind hole makes outside steam can't follow locking screw 4 and gets into power amplifier device's inside. Further, screw 14 by injection moulding in the internal screw thread of taking in mounting base 1 hardware sleeve forms, just hardware sleeve's periphery has prevents its relative mounting base 1 pivoted ring gear. Hardware sleeve intensity is high, and integrative injection moulding is in mounting base 1, and not only intensity is high, and the leakproofness is strong moreover.

The typical structure of the wire hole 131 generally includes a wire hole for paying out a wire, and a screw or a spring plate for locking the wire. In a preferred structure, the wiring hole 131 includes a circular counterbore 1311 for paying off and located on the outer end face of the conductive terminal 13, and a mm screw 1312 for radially penetrating and pressing the wire, and the bottom end of the mm screw 1312 is an arc head 1312a matched with the inner wall of the circular counterbore 1311. The arc head 1312a of the machine-meter screw 1312 is matched with the radian of the inner wall of the circular counter bore 1311, and compared with a flat bottom structure of the existing machine-meter screw 1312, the situation that a sharp edge and stress are uneven does not exist, so that a wire core cannot be broken when the wire is locked.

In a preferred structure, a circumferentially disposed sinking groove 111 is formed between an outer edge of the first mounting surface 11 and an outer wall of the mounting portion 12, and an inner side surface of the first gasket 31 has a first filling portion 321 adapted to the sinking groove 111. Further, a gap space is formed between the outer edge of the second mounting surface 21 and the outer wall of the mounting portion 12, and a filling portion 321 adapted to the gap space is formed on the outer side surface of the second gasket 32. And the peripheral wall of the third packing 33 is in sealing contact with the inner wall of the sealing cap 2. The first mounting surface 11 is provided with the sink groove 111, so that compared with a plane structure, the difficulty of water vapor permeation is increased, and the sealing effect is stronger; similarly, the filling portion 321 also enhances the sealing performance between the sealing cover 2 and the mounting portion 12, and can prevent moisture from penetrating into the sealing cover 2 from the first mounting surface 11. And the peripheral wall of the third packing 33 is in sealing contact with the inner wall of the sealing cap 2, which can further prevent moisture from penetrating from the second wire hole 22.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. A high-power wiring terminal of seal structure which characterized in that: the device comprises a mounting base and a sealing cover covering the outer end of the mounting base; the mounting base comprises a first mounting surface and a mounting part extending outwards from the middle area of the first mounting surface, a plurality of conductive terminals are arranged in the mounting base, the outer side ends of the conductive terminals are provided with wiring holes, and the outer side ends of the mounting part are provided with first wire holes corresponding to the wiring holes; the sealing cover is provided with a second mounting surface corresponding to the first mounting surface and a second line hole corresponding to the first line hole; still including the adaptation in the first sealed pad in the first installation face outside, the adaptation in the sealed pad of second installation face inboard to and the ground clamp place in installation department outside end with sealed third between the lid is sealed fills up, the third is sealed to have with the elasticity hole that the wiring hole corresponds.

2. A high power terminal of a sealing structure according to claim 1, wherein: the sealing cover further comprises a plurality of locking screws which sequentially penetrate through the second mounting surface of the sealing cover, the second sealing gasket and the first sealing gasket from outside to inside, screw holes matched with the locking screws are formed in the first mounting surface, and the screw holes are blind holes.

3. A high power terminal of a sealing structure according to claim 2, characterized in that: the screw by injection moulding in take internal screw thread's in the mounting base five metals sleeve forms, just the telescopic periphery of five metals has and prevents its relative mounting base pivoted ring gear.

4. A high power terminal of a sealing structure according to claim 1, wherein: the wiring hole comprises a circular counter bore which is located on the outer end face of the conductive terminal and used for paying off, and a machine-meter screw which is used for pressing the wire in a radial penetrating mode, and the bottom end of the machine-meter screw is a circular arc head matched with the inner wall of the circular counter bore.

5. A high power terminal of a sealing structure according to claim 1, wherein: the outer fringe of first installation face extremely the shaping has a heavy groove of setting around week between the outer wall of installation department, the medial surface of first sealed pad have with the first filling portion of heavy groove adaptation.

6. A high power connection terminal of a sealing structure according to claim 5, characterized in that: the outer edge of the second mounting surface is provided with a gap space between the outer walls of the mounting parts, and the outer side surface of the second sealing gasket is provided with a filling part matched with the gap space.

7. A high power terminal of a sealing structure according to claim 6, wherein: the peripheral wall of the third sealing gasket is in sealing contact with the inner wall of the sealing cover.