CN218975970U

CN218975970U - Multifunctional USB socket

Info

Publication number: CN218975970U
Application number: CN202223537705.6U
Authority: CN
Inventors: 陈积敢
Original assignee: Guangdong Lidenuo Electronic Technology Co ltd
Current assignee: Guangdong Lidenuo Electronic Technology Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-05
Anticipated expiration: 2032-12-29

Abstract

The utility model relates to the technical field of charging power strip, and discloses a multifunctional USB power strip, which comprises a shell and a power wire arranged on the shell, wherein the shell is provided with at least one USB slot and at least one plug jack; the plug jack of the USB socket has universality, and meanwhile, the power on or power off of the USB slot and the plug jack can be controlled separately and independently, so that the use safety is higher.

Description

Multifunctional USB socket

Technical Field

The utility model relates to the technical field of charging power strip, in particular to a power strip with a USB interface.

Background

The conventional structure of the USB socket is disclosed in chinese patent (publication No. CN 201061046), in which the USB socket is provided with a USB socket and a plug jack, the USB socket is connected to a power converter, a conductive sheet is mounted on the jack socket and is provided with a conductive lip for plugging with a plug terminal, the power converter and the conductive sheet are connected to a power line through a switch having three contacts, and the switch is used to control the power of the USB socket to be turned on or off. The existing USB socket controls the power supply to be disconnected or closed through a single main switch, after the switch is electrified and closed, the USB socket and the plug jack are electrified simultaneously, if only the USB socket is used for plug-in charging in actual use, the plug jack is not used but is also in a strong-current electrified state, and under the condition that the plug jack is not provided with protection doors and other electric shock prevention measures, accidental electric shock occurs due to the electrification of the plug jack, and hidden danger exists in the aspect of use safety.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide the multifunctional USB socket which can be used for separately and independently controlling the power on or power off and has higher use safety.

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

the multifunctional USB power strip comprises a shell and a power line arranged on the shell, wherein the shell is provided with at least one USB slot and at least one plug jack, the USB slot is connected with a power conversion module, the plug jack adopts a three-hole universal jack, a three-hole universal insulating seat is correspondingly arranged on the inner side of the three-hole universal jack in the shell, a first live wire conducting piece, a zero wire conducting piece and a grounding conducting piece are respectively embedded and fixed on the three-hole universal insulating seat, a live wire of the power line is electrically connected with a second live wire conducting piece in the shell, a first switch is electrically connected between the power conversion module and the second live wire conducting piece, a second switch is electrically connected between the first live wire conducting piece and the second live wire conducting piece, and the zero wire of the power line is respectively connected with the power conversion module and the zero wire conducting piece; the plug jack of the USB socket has universality, and meanwhile, the power on or power off of the USB slot and the plug jack can be controlled separately and independently, so that the use safety is higher.

Preferably, the three-hole universal jack and the three-hole universal insulating seat comprise two, two and three-hole universal insulating seats are integrally connected through a connecting bridge, the three-hole universal insulating seat is provided with a ground wire groove cavity, a first clamping groove is arranged at the front side of the ground wire groove cavity, and the ground conductive sheet is provided with a ground sheet main body clamped in the first clamping groove and a ground wire plug bush embedded in the ground wire groove cavity; the three-hole universal insulating seat is provided with a zero line groove cavity and a live line groove cavity, the rear side of the zero line groove cavity is provided with a second clamping groove, the front side of the live line groove cavity is provided with a third clamping groove, the rear side of the live line groove cavity is provided with a clamping protrusion corresponding to the second clamping groove, the first live line conducting strip is provided with a live line strip main body clamped in the third clamping groove and a live line plug bush embedded in the live line groove cavity, and the zero line conducting strip is provided with a zero line strip main body clamped in the second clamping groove and the clamping protrusion and a zero line plug bush embedded in the zero line groove cavity; the three-hole universal insulating seat can be formed by one-step injection molding, and the installation and the assembly of each conducting strip on the three-hole universal insulating seat are simple and stable.

As an improvement scheme, the top surface of the three-hole universal insulating seat is provided with a T-shaped groove cavity in a concave manner corresponding to the ground wire groove cavity, the zero wire groove cavity and the live wire groove cavity, a T-shaped protection door is slidably connected in the T-shaped groove cavity, the rear side of the T-shaped protection door is connected with the three-hole universal insulating seat through a spring, the T-shaped protection door is provided with a longitudinal door block extending towards the ground wire groove cavity and is symmetrically provided with a transverse door block covering the zero wire groove cavity and the live wire groove cavity, the front side of the transverse door block is provided with a first inclined surface wall, and the front side of the longitudinal door block is provided with a second inclined surface wall; the safety protection for the plug jack is further improved by arranging the T-shaped protection door on the three-hole universal insulating seat.

As an improvement scheme, the shell comprises a lower shell and an upper shell which are mutually buckled and connected and fixed, wherein the lower shell is provided with a first wire fixing part in a protruding mode, the upper shell is provided with a second wire fixing part in a protruding mode correspondingly, the first wire fixing part is provided with a buckling notch, an arc lower seat is formed at the bottom of the buckling notch, the second wire fixing part is provided with a buckling groove block buckled and connected with the buckling notch, an arc upper seat corresponding to the arc lower seat is formed at the bottom of the buckling groove block, a lower hole column is formed on the lower shell and positioned at the rear side of the arc lower seat, a lower wire clamping bridge is arranged on the lower hole column, an upper hole column is arranged on the upper shell correspondingly to the lower hole column, and an upper wire clamping bridge is arranged between the upper hole columns; the power line is fixedly sleeved with a rubber sleeve body, the rubber sleeve body is fixedly matched between the circular arc lower seat and the circular arc upper seat, and the power line is fixedly matched and clamped at the rear side of the rubber sleeve body through a lower clamping line bridge and an upper clamping line bridge; the power line is more firmly installed and fixed on the shell, and is not easy to pull, loose or even break, or the power line and the second live wire conducting strip are disconnected and separated.

The utility model has the following beneficial effects:

1. the plug jack of the USB socket has universality, and meanwhile, the power on or power off of the USB slot and the plug jack can be controlled separately and independently, so that the use safety is higher;

2. the T-shaped protection door is arranged on the three-hole universal insulating seat, so that the safety protection of the plug jack can be further improved;

3. the power line is more firmly installed and fixed on the shell, and is not easy to pull, loose or even break, or the power line and the second live wire conducting strip are disconnected and separated.

Drawings

FIG. 1 is an overall assembly diagram of a multifunctional USB socket of the present utility model;

FIG. 2 is an internal structure diagram of the multifunctional USB socket of the present utility model;

FIG. 3 is a schematic diagram of a conductive sheet connection assembly of the present utility model;

FIG. 4 is a schematic view of the installation of the grounding conductive sheet of the present utility model;

FIG. 5 is a schematic view of the installation of the neutral conductor tab of the present utility model;

FIG. 6 is a view showing the construction of a T-shaped protective door arrangement according to the present utility model;

FIG. 7 is a rear view of the T-shaped protective door of the present utility model;

FIG. 8 is a power cord installation block diagram of the present utility model;

fig. 9 is a partial structural view of the upper case of the present utility model.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and specific embodiments so as to more clearly understand the technical ideas claimed in the present utility model.

The multifunctional USB socket shown in fig. 1-5 comprises a shell, wherein the shell consists of a lower shell 1 and an upper shell 2 which are mutually buckled and connected and fixed, a power line 3 is arranged on the shell, the shell is provided with a plurality of USB slots 6, two or more plug jacks 4 and a Type-C interface 7, the plug jacks 4 are three-hole universal jacks, the universality is good, and the USB slots 6 and the Type-C interface 7 are suitable for charging use requirements of various electronic products such as mobile phones and the like. The USB slot 6 and the Type-C interface 7 are connected by the power conversion module 9 installed in the shell, the three-hole universal insulating seat 40 is correspondingly installed on the inner side of the three-hole universal jack, and the three-hole universal insulating seat 40 can be integrally connected through the connecting bridge 400 for one-time injection molding, so that the production is facilitated. The first live wire conducting strip 52, the zero wire conducting strip 54 and the grounding conducting strip 53 are respectively embedded and fixed on the three-hole universal insulating base 40, the live wire of the power wire 3 is electrically connected with the second live wire conducting strip 51 in the shell, the first switch 8 is electrically connected between the power conversion module 9 and the second live wire conducting strip 51, the second switch 5 is electrically connected between the first live wire conducting strip 52 and the second live wire conducting strip 51, the zero wire of the power wire 3 is respectively connected with the power conversion module 9 and the zero wire conducting strip 54, the ground wire of the power wire 3 is connected with the grounding conducting strip 53, the power on or the power off of the USB slot 6 and the plug jack 4 can be independently controlled, and the use safety is higher.

The following structural form is adopted for the installation and assembly of each conducting strip on the three-hole universal insulating base 40: the three-hole universal insulating holder 40 is provided with a ground wire groove cavity 41 and a first clamping groove 411 at the front side of the ground wire groove cavity 41, and the ground conductive sheet 53 has a ground sheet main body 531 clamped in the first clamping groove 411 and a ground wire plug 532 fitted in the ground wire groove cavity 41. The three-hole universal insulating base 40 is further provided with a zero line slot cavity 43 and a live line slot cavity 42, a second clamping slot 431 is arranged at the rear side of the zero line slot cavity 43, a third clamping slot 422 is arranged at the front side of the live line slot cavity 42, a clamping protrusion 421 is arranged at the rear side corresponding to the second clamping slot 431, the first live line conducting strip 52 is provided with a live line strip main body 521 clamped in the third clamping slot 422 and a live line plug bush 522 embedded in the live line slot cavity 42, and the zero line conducting strip 54 is provided with a zero line strip main body clamped in the second clamping slot 431 and the clamping protrusion 421 and a zero line plug bush 543 embedded in the zero line slot cavity 43. The main structure of the zero line tab is folded to form a first tab portion 541 locked in the second locking groove 431 and a second tab portion 542 locked in the locking protrusion 421, and the zero line plug 543 is integrally formed in the first tab portion 541. The installation and assembly of each conducting strip on the three-hole universal insulating base 40 are simple and stable.

In this embodiment, as shown in fig. 2 and fig. 6-7, a protection door may be further disposed on the three-hole universal insulating base 40, so as to further improve the safety protection for the plug jack 4, the top surface of the three-hole universal insulating base 40 is provided with a T-shaped slot cavity 44 corresponding to the ground slot cavity 41, the neutral slot cavity 43 and the live wire slot cavity 42, two sides of the T-shaped slot cavity 44 are formed with a guide chute 441, the rear side is provided with a spring connection post 442, the T-shaped protection door 45 has a longitudinal door block 454 extending toward the ground slot cavity 41, and a lateral door block 451 covering the neutral slot cavity 43 and the live wire slot cavity 42 symmetrically, the rear side of the T-shaped protection door 45 is provided with a spring connection hole 456, the front side of the lateral door block 451 has a first inclined wall 453 and is provided with guide sliders 452 at two ends, the front side of the longitudinal door block 454 has a second inclined wall 455, the T-shaped protection door 45 is mounted in the T-shaped slot cavity 44 and is slidably connected with the guide chute 441, and a connection spring is mounted between the spring connection post 442 and the spring connection hole 456. In the initial state without inserting the plug, the transverse door block 451 of the T-shaped protective door 45 completely covers the zero line slot cavity 43 and the fire wire slot cavity 42, the longitudinal door block 454 partially covers the ground line slot cavity 41, when the plug is inserted, the pins act on the first inclined wall 453 and the second inclined wall 455 to push the T-shaped protective door 45 backwards and compress the spring to enable the T-shaped protective door 45 to slide backwards, so that the plug pins are inserted; after the plug is pulled out, the T-shaped protection door 45 is reset under the action of spring force. An auxiliary sliding groove 443 can be further arranged on the bottom surface of the T-shaped groove 44, and an auxiliary sliding bar 457 matched with the auxiliary sliding groove 443 is correspondingly arranged on the back surface of the T-shaped protection door 45, so that the stability of the T-shaped protection door 45 during sliding can be further enhanced.

As shown in fig. 8 and 9, the lower housing 1 is further provided with a first wire fixing portion 11 in a protruding manner, the upper housing 2 is provided with a second wire fixing portion 21 in a protruding manner correspondingly, the first wire fixing portion 11 is provided with a fastening notch 12, an arc lower seat 13 is formed at the bottom of the fastening notch 12, the second wire fixing portion 21 is provided with a fastening groove block 22 fastened and connected with the fastening notch 12, the bottom of the fastening groove block 22 is provided with an arc upper seat 23 corresponding to the arc lower seat 13, two sides of the arc lower seat 13 are provided with fastening hole columns 14, two sides of the arc upper seat 23 are provided with fastening columns 24 for fastening and connecting with the fastening hole columns 14, a lower hole column 15 is arranged at the rear side of the arc lower seat 13 on the lower housing 1, a lower wire clamping bridge 16 is arranged on the lower hole column 15, the lower clamping line bridge 16 is provided with a lower arc groove 17 matched with the power line 3, two sides of the lower arc groove 17 are provided with lower clamping teeth 18, the upper shell 2 is provided with an upper hole column 25 corresponding to the lower hole column 15, an upper clamping line bridge 27 is arranged between the upper hole columns 25, the upper clamping line bridge 27 is provided with an upper arc groove 28 corresponding to the lower arc groove 17, two sides of the upper arc groove 28 are provided with upper clamping teeth 29, the power line 3 is sleeved and fixed with a rubber sleeve body 31, the rubber sleeve body 31 is matched and fixed between the circular arc lower seat 13 and the circular arc upper seat 23, the power line 3 is matched and fixed at the rear side of the rubber sleeve body 31 through the lower clamping teeth 18 of the lower clamping line bridge 16 and the upper clamping teeth 29 of the upper clamping line bridge 27, and simultaneously, the first fixing line part 11 and the second fixing line part 21 are fixedly connected with the lower hole column 15, the lower clamping line bridge 16 and the upper hole column 25 through bolts; the power cord 3 is more firmly installed and fixed on the shell, and is not easy to pull and loose or even break, or the power cord 3 and the second live wire conducting strip 51 are disconnected and separated.

To further enhance the structural strength, the upper clip wire bridge 27 is integrally connected between the upper hole posts 25, and the upper hole posts 25 are integrally connected with the snap-fit channel block 22 through the bridge wall 26.

Various other corresponding changes and modifications will occur to those skilled in the art from the foregoing description and the accompanying drawings, and all such changes and modifications are intended to be included within the scope of the present utility model as defined in the appended claims.

Claims

1. The utility model provides a multi-functional USB inserts row, includes the casing and installs in the power cord of casing, the casing is equipped with at least one USB slot and at least one plug jack, USB slot connects in power conversion module, its characterized in that, the plug jack adopts three hole general jack, be located in the casing the inboard of three hole general jack corresponds the general insulating seat of installation three holes, inlay respectively on the general insulating seat of three holes and be fixed with first live wire conducting strip, zero line conducting strip and ground connection conducting strip, the live wire of power cord is in the casing and second live wire conducting strip electricity is connected, the power conversion module with the electricity connects first switch between the second live wire conducting strip, the first live wire conducting strip with the electricity connects the second switch between the second live wire conducting strip, the zero line of power cord is connected respectively the power conversion module the zero line conducting strip.

2. The multifunctional USB socket as claimed in claim 1, wherein the three-hole universal jack and the three-hole universal insulating seat comprise two, the two three-hole universal insulating seats are integrally connected through a connecting bridge, the three-hole universal insulating seat is provided with a ground wire slot cavity, a first clamping groove is arranged at the front side of the ground wire slot cavity, and the ground conductive sheet is provided with a ground sheet main body clamped in the first clamping groove and a ground wire plug bush embedded in the ground wire slot cavity; the three-hole universal insulating seat is provided with a zero line groove cavity and a fire line groove cavity, a second clamping groove is formed in the rear side of the zero line groove cavity, a third clamping groove is formed in the front side of the fire line groove cavity, a clamping protrusion is arranged on the rear side of the fire line groove cavity and corresponds to the second clamping groove, the first fire line conducting strip is provided with a fire line strip main body clamped in the third clamping groove and a fire line plug bush embedded in the fire line groove cavity, and the zero line conducting strip is provided with a zero line strip main body clamped in the second clamping groove and protruding in a clamping protrusion and a zero line plug bush embedded in the zero line groove cavity.

3. The multifunctional USB socket as claimed in claim 2, wherein the zero line plug body is bent to form a first tab portion clamped in the second clamping groove and a second tab portion clamped in the clamping protrusion, and the zero line plug sleeve is integrally formed in the first tab portion.

4. A multifunctional USB socket according to claim 2 or 3, wherein the top surface of the three-hole universal insulating seat is provided with a T-shaped groove cavity in a concave manner corresponding to the ground wire groove cavity, the neutral wire groove cavity and the live wire groove cavity, a T-shaped protection door is slidably connected in the T-shaped groove cavity, the rear side of the T-shaped protection door is connected to the three-hole universal insulating seat through a spring, the T-shaped protection door is provided with a longitudinal door block extending towards the ground wire groove cavity and is symmetrically provided with a transverse door block covering the neutral wire groove cavity and the live wire groove cavity, and the front side of the transverse door block is provided with a first inclined surface wall and the front side of the longitudinal door block is provided with a second inclined surface wall.

5. A multifunctional USB socket according to any one of claims 1 to 3, wherein the housing comprises a lower housing and an upper housing which are fastened and connected with each other, the lower housing is provided with a first fixing line part in a protruding manner, the upper housing is provided with a second fixing line part in a protruding manner, the first fixing line part is provided with a fastening notch, an arc lower seat is formed at the bottom of the fastening notch, the second fixing line part is provided with a fastening groove block fastened and connected with the fastening notch, an arc upper seat corresponding to the arc lower seat is formed at the bottom of the fastening groove block, a lower hole column is formed on the lower housing and positioned at the rear side of the arc lower seat, a lower clamping line bridge is arranged on the lower hole column, an upper hole column is arranged on the upper housing and corresponds to the lower hole column, and an upper clamping line bridge is arranged between the upper hole columns; the power cord suit is fixed with the gum cover body just the gum cover body cooperation is fixed in between the circular arc lower seat with the circular arc is gone up the seat, the power cord is in the rear side of the gum cover body is through lower card line bridge with go up card line bridge cooperation card is fixed.

6. The multi-function USB power strip of claim 5, wherein the lower wire clip bridge has a lower arcuate slot that mates with the power wire, lower latches are provided on both sides of the lower arcuate slot, the upper wire clip bridge has an upper arcuate slot that corresponds to the lower arcuate slot, and upper latches are provided on both sides of the upper arcuate slot.

7. The multi-function USB power strip of claim 5, wherein the upper clip wire bridge is integrally connected between the upper hole posts, and the upper hole posts are integrally connected with the snap-fit slot blocks through bridging walls.