CN210518090U

CN210518090U - Adapter shell and power adapter with same

Info

Publication number: CN210518090U
Application number: CN201921507538.6U
Authority: CN
Inventors: 黄之龙; 李俊需; 伍佼; 张志伟; 王其才; 徐进远
Original assignee: Xiamen City Keli Electronics Co ltd
Current assignee: Xiamen City Keli Electronics Co ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-05-12
Anticipated expiration: 2029-09-11

Abstract

The utility model discloses an adapter casing and have power adapter of this casing relates to adapter technical field, and its technical scheme main points are: including last casing and the lower casing of being connected with last casing, go up the casing and all seted up the mounting groove with the one end of casing down, two form the installing port when the mounting groove merges, just install the output joint spare that has output port on the installing port, be equipped with on the periphery wall of output joint spare be used for with the spacing location structure of installing port inner wall, the internal an organic whole of inferior valve is provided with the insulating piece, the insulating piece will be divided equally into high-pressure portion and low-pressure portion with the inside die cavity of last casing down, installing port and low-pressure portion intercommunication. The utility model discloses can improve the stability of insulating piece and output port department installation to enrich the installation pattern of adapter output port, be convenient for replace the output port, have the effect that improves its life.

Description

Adapter shell and power adapter with same

Technical Field

The utility model relates to an adapter technical field, more specifically say, it relates to an adapter casing and have power adapter of this casing.

Background

An adapter is an interface converter that may be a stand-alone hardware interface device that allows a hardware or electronic interface to be connected to other hardware or electronic interfaces, or may be an information interface. Such as a power adapter, a tripod base adapter component, a USB and serial port adapter device, etc. In the prior art, in order to make the adapter meet the requirement of safety distance, an insulating sheet is generally used on the adapter shell to make the voltage resistance and the insulation of the product and the electrical performance meet the requirement.

If the granted publication number is CN203466710U, chinese patent No. 2014.03.05 discloses a PCBA plug-in power adapter, which comprises a face shell, a bottom shell, a USB output port, an insulating sheet, a primary PCBA board, a secondary PCBA board, a pin upper cover, a pin hardware sheet and pins; wherein, insulating piece one side longitudinal connection elementary PCBA board, insulating piece opposite side longitudinal connection secondary PCBA board, participate in the upper cover, participate in five gold pieces, participate in and the drain pan from the top down connects gradually, participate in the upper cover upper surface and be connected with elementary PCBA board, secondary PCBA board respectively, the USB output port is located the tip of face-piece, the USB output port is connected with elementary PCBA board, secondary PCBA board, the insulating piece, elementary PCBA board, secondary PCBA board, participate in the upper cover, participate in five gold pieces and participate in and insert the face-piece, the drain pan is connected with the face-piece.

Through inserting the insulating piece in the face-piece, with drain pan and face-piece installation back, can install USB output port and insulating piece in the adapter casing. But current adapter casing is in the insulating piece dress back, and the insulating piece adopts the mode of pegging graft, and stability is relatively poor, takes place to rock easily after long-term atress and produces the abnormal sound, influences life, and USB output port and face-piece are integrative to be set up, and the installation pattern is single, can't replace when damaging, leads to whole life to be limited.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model discloses a first aim at provides a USB adapter casing can improve insulating piece installation stability to richen the installation pattern of adapter output port, be convenient for replace the output port, have the effect that improves its life.

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

the utility model provides an adapter casing, includes casing and the lower casing of being connected with last casing, go up the casing and all seted up the mounting groove with the one end of casing down, two form the installing port when the mounting groove merges, just install the output joint spare that has output port on the installing port, be equipped with on the periphery wall of output joint spare be used for with the spacing location structure of installing port inner wall, the internal an organic whole of inferior valve is provided with the insulating piece, the insulating piece will be divided into high-pressure portion and low-pressure portion with the inside die cavity of last casing equally divide down, installing port and low-pressure portion intercommunication.

Further setting: the locating structure comprises a limiting groove arranged on the outer peripheral wall of the output connector, the limiting groove is mutually inserted and matched with the inner wall of the mounting opening, and during installation, the two side groove walls of the limiting groove abut against the side walls of the upper shell and the lower shell on the two sides of the mounting opening.

Further setting: the low-pressure part of the upper shell is provided with a limiting block, and the distance between the limiting block and the inner wall of one side, close to the mounting opening, of the upper shell is not smaller than the thickness of the output joint piece when the output joint piece is positioned in the low-pressure part.

Further setting: the center of stopper is provided with the support column, the support column is used for withstanding the position of output joint spare and low pressure portion junction.

Further setting: the high size of insulating piece with go up the casing and the internal cavity of inferior valve between the interval size unanimous, just go up the casing and after the casing is fit down, the top of insulating piece is contradicted on the inner wall of last casing.

Further setting: the one end of insulating piece is bent towards low pressure portion and is formed location portion, go up the casing and all be provided with a plurality of spacing sand grips on the inner wall that the casing is close to the installing port down, be provided with the groove of stepping down on the output connector spare, the groove one-to-one that steps down pegs graft in spacing sand grip and sets up.

Further setting: be provided with L shell fragment and N shell fragment in the high-pressure part, be connected with the AC on L shell fragment and the N shell fragment and participate in, the one end that goes up casing and lower casing and be close to the high-pressure part all is provided with the mouth of stepping down that supplies the AC to participate in wearing out, and during the fit, go up casing and lower casing cooperation with the one end of participating in the AC inlay position on letting the mouth.

Further setting: the output connector piece comprises a connector located at the mounting opening, a wiring connected with the connector and an output head connected with one end of the wiring away from the connector, and the positioning structure is arranged on the outer side wall of the connector.

Further setting: the output connector piece comprises a positioning head positioned at the mounting opening and a USB output port arranged in the positioning head, and the positioning structure is arranged on the outer side wall of the positioning head.

By adopting the technical scheme, the utility model discloses relative prior art compares, has following advantage:

1. through the matching of the upper shell and the lower shell, the insulating sheets integrally arranged on the lower shell can be positioned and mutually matched to form a mounting port so as to limit the output connector, so that the mounting stability of the output connector is improved, and the service life of the output connector is prolonged;

2. through the arranged positioning structure, the output connector piece is conveniently disassembled and assembled in a manner of being matched with the disassembly and assembly of the upper shell and the lower shell, so that the output port of the adapter in a corresponding mode can be conveniently installed according to requirements, the compatibility is improved, the output port is conveniently replaced, and the service life of the adapter is prolonged;

3. through the arrangement of the positioning part, the stability of the output connector piece during positioning can be improved, and the stability of the connecting piece after installation is further improved by matching with the limitation of the limiting convex strip and the abdicating groove, so that the service life is prolonged;

4. go up casing and the internal rational arrangement of inferior valve body, output connector spare can choose for use the output head that has the wiring or not have the location head of wiring to install according to the demand, richens the installation pattern of adapter output port, has the effect that improves product compatibility.

A second object of the present invention is to provide a USB adapter having an effect of prolonging its service life.

a USB adapter comprises the USB adapter shell.

1. the adapter is assembled by the adapter shell, so that the stability of the installed insulating sheet can be improved, and the service life of the adapter can be prolonged;

2. the USB adapter shell is suitable for an output port with a wiring or a USB output port without the wiring, so that the corresponding output port can be selected to be installed according to production requirements, the compatibility of products is improved, the output port is limited by the installation port and the positioning structure after being installed, the stability of the output port after being installed is improved, and the service life is prolonged.

Drawings

Fig. 1 is a schematic structural diagram of a USB adapter housing according to a first embodiment after a connecting member is mounted on the USB adapter housing;

FIG. 2 is a schematic structural view of the USB adapter with the upper housing hidden;

FIG. 3 is a schematic structural view of the upper housing;

fig. 4 is a schematic structural diagram of the USB adapter housing according to the second embodiment after the connector is mounted thereon.

In the figure: 1. an upper housing; 11. a limiting block; 12. a support pillar; 2. a lower housing; 3. an installation port; 31. Mounting grooves; 4. an output fitting; 41. a yielding groove; 42. a connector; 43. wiring; 44. an output head; 45. positioning the head; 46. a USB output port; 5. a positioning structure; 6. an insulating sheet; 61. a positioning part; 7. a high-voltage part; 71. an L-shaped elastic sheet; 72. n shrapnel; 73. an AC pin; 8. a low-pressure portion; 9. limiting convex strips; 10. let the bit port.

Detailed Description

The adapter housing and the power adapter are further described with reference to fig. 1 to 4.

The first embodiment is as follows: the utility model provides an adapter casing, as shown in fig. 1 and fig. 2, including last casing 1 and with last casing 1 lower casing 2 of being connected, go up casing 1 and casing 2's exterior structure unanimity and joint each other when the fit down to can be on casing 2 down assemble inside components and parts after, will go up casing 1 and casing 2 fit down can, improve the convenience of adapter equipment.

As shown in fig. 1 and 2, the corners of the surfaces of the upper shell 1 and the lower shell 2 which are away from each other are provided with fillets, so that the appearance of the shell of the adapter behind the shell is smooth, and the comfort of holding is improved. An organic whole is provided with insulating piece 6 in casing 2 down, and the size of height of insulating piece 6 is unanimous with last casing 1 and interval size between the 2 internal cavities of casing down, at last casing 1 with casing 2 fit back down, contradict on the inner wall of last casing 1 at the top of insulating piece 6. Through with insulating piece 6 and casing integrated into one piece to can push up after the installation and form the location on the inner wall of last casing 1, have the effect that improves the stability of insulating piece 6 installation, avoid insulating piece 6 to rock the abnormal sound condition and appear, improve its life.

As shown in fig. 2, further, the insulating sheet 6 divides the internal cavities of the lower casing 2 and the upper casing 1 into a high-voltage portion 7 and a low-voltage portion 8, and the insulating sheet 6 is made of polycarbonate, acrylonitrile-butadiene-styrene copolymer and a mixture thereof, so that the insulating sheet 6 has a temperature-resistant and electric-resistant effect, and the high-voltage portion 7 and the low-voltage portion 8 are isolated by the insulating sheet 6 to meet the safety requirements.

As shown in fig. 1 and 2, an L spring 71 and an N spring 72 are disposed in the high voltage portion 7, the L spring 71 and the N spring 72 are connected with an AC pin 73, and the ends of the upper housing 1 and the lower housing 2 close to the high voltage portion 7 are both provided with an abdicating opening 10 for the AC pin 73 to pass through, so as to facilitate power distribution of the pins. When the upper casing 1 and the lower casing 2 are combined, one end of the AC pin 73 is inserted into the relief opening 10 to improve the stability of the installation of the AC pin 73. Mounting groove 31 has all been seted up to the one end of keeping away from let position mouth 10 at last casing 1 and lower casing 2, forms installing port 3 when two mounting grooves 31 merge, installing port 3 and low-pressure portion 8 intercommunication. Install the output connector that has output port on installing port 3 to being located installing port 3 department when making the installation of output connector, utilizing installing port 3 to be located the casing with output connector, make things convenient for the dismouting of output connector, thereby can install the adapter output port of different patterns, richen installation pattern, be convenient for simultaneously replace the use, improve life.

As shown in fig. 2 and 3, a positioning structure 5 for limiting the inner wall of the mounting opening 3 is provided on the outer peripheral wall of the output socket 4 to improve the stability of the output socket 4 during mounting. Specifically, location structure 5 is including seting up the spacing groove in output connector 4 periphery wall, wherein, spacing groove and installing port 3's inner wall cooperation of pegging graft each other, and during the installation, the both sides cell wall of spacing groove is contradicted on the lateral wall that last casing 1 and casing 2 lie in installing port 3 both sides down to receive the location of spacing groove, make go up casing 1 and casing 2 fit back with output connector 4 be fixed in installing port 3 on, improve the stability of installation.

As shown in fig. 2 and fig. 3, furthermore, a limiting block 11 is arranged at the position of the low-pressure part 8 of the upper shell 1, and the distance between the limiting block 11 and the inner wall of the upper shell 1 close to the side of the mounting opening 3 is not smaller than the thickness of the output joint piece when the output joint piece is located in the low-pressure part 8, so that the output joint piece can be mounted conveniently, the limiting block 11 can be used for limiting after mounting, the output joint piece is prevented from shaking, and the mounting stability is improved. Wherein, be provided with support column 12 at the center of stopper 11, support column 12 is used for withstanding the position of output joint spare 4 and low pressure portion 8 junction, improves the stability of output joint spare installation, improves life.

As shown in fig. 2 and 3, one end of the insulating sheet 6 is further bent toward the low-voltage portion 8 to form a positioning portion 61, and the bending angle is set to 90 °, so as to limit the mounting position of the output connector and improve the mounting stability of the output connector. All be provided with a plurality of spacing sand grips 9 on the inner wall that upper and lower casing 2 is close to installing port 3, be provided with the groove of stepping down on the output joint spare, the groove one-to-one that steps down pegs graft in spacing sand grip 9 and sets up to the cooperation of utilizing the groove of stepping down and spacing sand grip 9 further improves output joint spare installation stability, prevents that output joint spare from rocking, improves its life.

As shown in fig. 1 and 2, the insulating sheet 6 and the low voltage portion 8 are designed to facilitate the installation of a PCB, so that the USB output port 46 or the wired output port can be directly installed, and the compatibility is high. In this embodiment, specifically, the output connector piece includes a connector 42 located at the mounting opening 3, a wiring 43 connected to the connector 42, and an output connector 44 connected to one end of the connector 42 far away from the connector 43, and the positioning structure 5 is disposed on the outer side wall of the connector 42, so as to position the connector 42 at the mounting opening 3, so as to connect one end of the connector 42 with the internal PCB board, and connect the other end to the output connector 44 through the wiring 43, so as to install the output port having the wiring 43, and improve convenience of use.

Through above-mentioned scheme, insulating piece 6 sets up with casing 2 an organic whole down, at last casing 1 with casing 2 fit back down, insulating piece 6 receives casing 1 and casing 2's support location down, stable the installation in the adapter shell, improves life. Wherein, the output connector spare that docks with the inside PCB board of adapter and be used for low voltage output receives the cooperation of constant head tank installing port 3 and spacing groove, stably is positioned between casing 1 and lower casing 2, and the connecting piece receives spacing sand grip 9 and the cooperation of groove 41 of stepping down simultaneously, improves the connecting piece and avoids taking place the skew in the stability of low pressure portion 8 to improve stability, have the effect that improves life. Meanwhile, the output connector piece can be detached from the shell to install the output ports of the adapters in other types, so that the installation type is enriched, the compatibility is good, the maintenance replacement is facilitated, and the service life is prolonged.

Example two: the present embodiment is different from the first embodiment in that, as shown in fig. 4, the output connector includes a positioning head 45 located at the mounting port 3 and a USB output interface disposed in the positioning head 45, and the positioning structure 5 is disposed on an outer side wall of the positioning head 45, so that the positioning head 45 having the USB output port 46 can be directly mounted for use, the mounting style of the adapter output port is enriched, and the adapter is easy to detach and replace, and the service life is prolonged.

Third embodiment, the present embodiment is different in that, as shown in fig. 1 and fig. 4, a power adapter is provided, which includes the adapter housing according to any one of the first embodiment and the second embodiment, so as to improve stability of an insulating sheet in the adapter, and different output ports can be installed for use according to requirements, which is highly compatible, and facilitates replacement and maintenance of the output ports, and has an effect of improving service life.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an adapter housing, its characterized in that, including last casing (1) and lower casing (2) be connected with last casing (1), go up casing (1) and all seted up mounting groove (31) with the one end of casing (2) down, two form mounting hole (3) when mounting groove (31) merge, just install output joint spare (4) that have output port on mounting hole (3), be equipped with on the periphery wall of output joint spare (4) and be used for with mounting hole (3) inner wall spacing location structure (5), casing (2) interior an organic whole is provided with insulating piece (6) down, insulating piece (6) will be down casing (2) and last casing (1) inside die cavity and equally divide into high-pressure portion (7) and low-pressure portion (8), mounting hole (3) and low-pressure portion (8) intercommunication.

2. An adapter housing according to claim 1, characterized in that the positioning structure (5) comprises a limiting groove formed in the outer peripheral wall of the output connector (4), the limiting groove is in inserting fit with the inner wall of the mounting opening (3), and when the adapter housing is mounted, the two side walls of the limiting groove abut against the side walls of the upper housing (1) and the lower housing (2) on the two sides of the mounting opening (3).

3. The adapter housing according to claim 1, wherein a limit block (11) is arranged at the position of the low-pressure portion (8) of the upper housing (1), and the distance between the limit block (11) and the inner wall of the upper housing (1) on the side close to the mounting opening (3) is not less than the thickness of the output joint piece (4) when the output joint piece is positioned in the low-pressure portion (8).

4. An adapter housing according to claim 3, characterized in that the center of the stopper (11) is provided with a support pillar (12), and the support pillar (12) is used for supporting the connection part of the output joint member (4) and the low-pressure part (8).

5. An adapter housing according to claim 1, wherein the height of the insulating sheet (6) is the same as the space between the internal cavities of the upper housing (1) and the lower housing (2), and the top of the insulating sheet (6) abuts against the inner wall of the upper housing (1) after the upper housing (1) and the lower housing (2) are combined.

6. The adapter housing according to claim 5, wherein one end of the insulating sheet (6) is bent towards the low-voltage portion (8) to form a positioning portion (61), the inner walls of the upper housing (1) and the lower housing (2) close to the mounting port (3) are provided with a plurality of limiting convex strips (9), the output connector (4) is provided with abdicating grooves (41), and the abdicating grooves (41) are arranged in an inserting manner corresponding to the limiting convex strips (9).

7. The adapter shell according to claim 1, wherein an L-shaped elastic sheet (71) and an N-shaped elastic sheet (72) are arranged in the high-voltage portion (7), the L-shaped elastic sheet (71) and the N-shaped elastic sheet (72) are connected with an AC pin (73), one ends of the upper shell (1) and the lower shell (2) close to the high-voltage portion (7) are respectively provided with a position-giving opening (10) through which the AC pin (73) penetrates, and when the adapter shell is combined, the upper shell (1) and the lower shell (2) are matched to enable one end of the AC pin (73) to be embedded in the position-giving opening (10).

8. An adapter housing according to claim 1, wherein the output connector (4) comprises a connector (42) at the mounting opening (3), a connection wire (43) connected to the connector (42), and an output connector (44) connected to an end of the connection wire (43) far from the connector (42) and having an output port, and the positioning structure (5) is disposed on an outer side wall of the connector (42).

9. An adapter housing according to claim 1, characterized in that the output connector piece (4) comprises a positioning head (45) at the mounting opening (3) and a USB output port (46) arranged in the positioning head (45), the positioning structure (5) being arranged on an outer side wall of the positioning head (45).

10. A power adapter comprising an adapter housing according to any one of claims 1 to 9.