CN213879653U

CN213879653U - Power adapter with circuit board limiting structure

Info

Publication number: CN213879653U
Application number: CN202022962604.8U
Authority: CN
Inventors: 陈友花
Original assignee: Shenzhen Fuyuandian Power Co ltd
Current assignee: Shenzhen Fuyuandian Power Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-08-03
Anticipated expiration: 2030-12-09

Abstract

The utility model relates to a power adapter technical field of circuit board limit structure, specifically is the power adapter who has circuit board limit structure, the adapter body has been placed to protective housing inside, through the setting to protective housing, can make the inner shell that directly contacts with the circuit board possess the protection, is favorable to stopping the possibility of external impact and inner shell direct contact like this, and then increased the protection to the circuit board fundamentally; through the setting to overall structure, can be so that be connected between shell and the inner shell more nimble, through the structure between spring and the spring, no matter the shell bears the impact of which direction all can and the inner shell between form the protection net of buffering, further improves better protection to the inside circuit board of adapter.

Description

Power adapter with circuit board limiting structure

Technical Field

The utility model relates to a circuit board limit structure's power adapter technical field specifically is for having circuit board limit structure's power adapter.

Background

The power adapter is a power supply conversion device of small-sized portable electronic equipment and electronic appliances, and is widely matched with a telephone master-slave machine, a game machine, a language repeater, a walkman, a notebook computer, a cellular phone and other equipment, a circuit board is arranged in the power adapter, the circuit board is prevented from shaking an inner shell of the circuit board adapter to cause the dislocation of the circuit board for better protection of the circuit board at present, the power adapter with a circuit board limiting structure is provided in the prior art, the structure utilizes the circuit board to strengthen the contact between the circuit board and the shell, and further limits the circuit board, and further prevents the bad phenomenon caused by shaking of the inner shell.

Although current circuit board limit structure has carried out good protection to the circuit board, but increase the circuit board and the contact back between the inner shell, the external impact that the inner shell bore and the pressure of object contact will be direct convey on the circuit board, and be the electron device that bearing capacity is not strong on the circuit board much, and then when the inner shell suffered unexpected collision, cause the damage of the inside circuit board of inner shell easily, further can influence the normal work of circuit board, can directly lead to power adapter's damage even, and then can bring economic loss for the user.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power adapter with circuit board limit structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the power adapter is provided with a circuit board limiting structure, an adapter body is placed in the protective shell, sponge protective pads connected by glue are symmetrically arranged on two sides of the inner end of the protective shell, an integrally formed flank cylinder is symmetrically arranged on two sides of one end of the adapter body, a supporting spring is placed in the flank cylinder, distance-reducing chutes are symmetrically formed in two sides of the flank cylinder, rectangular sliding blocks are placed at one end of the inner part of each distance-reducing chute, an integrally formed supporting column is arranged between the rectangular sliding blocks, a pressure-reducing limiting plate fixedly connected by screws is arranged at one end of the supporting column, bottom side limiting grooves are formed in two sides of one end of the protective shell corresponding to the pressure-reducing limiting plates, spring releasing grooves are symmetrically formed in two sides of the bottom of each bottom side limiting groove, pressure-reducing springs are placed in the spring releasing grooves, sliding-in grooves are formed in two sides of one end of the protective shell through the bottom side limiting grooves, and abutting contact columns are formed in two sides of one end of the protective shell, one end of the contact post is sleeved with a positioning support, and the positioning support is fixedly connected with the protective shell through a fixing bottom foot and a screw.

Preferably, one end of the supporting column is positioned inside the side wing cylinder, and the sliding distance of the rectangular sliding block on the supporting column is greater than the length of the supporting column.

Preferably, the length of the decompression limiting plate is half of the length of the bottom side limiting groove, and both sides of the decompression limiting plate are in contact with the decompression spring.

Preferably, the slide-in groove is located above the bottom-side limiting groove, the length of the slide-in groove is the same as that of the pressure reduction limiting plate, and the width of the slide-in groove is half of that of the pressure reduction limiting plate.

Preferably, the positioning bracket is located at the bottom one third of the contact column, and the sliding distance of the contact column on the positioning bracket is greater than the wall thickness of one side of the protective shell.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the inner shell which is directly contacted with the circuit board can be protected by arranging the protective outer shell, so that the possibility that external impact force is directly contacted with the inner shell is avoided, and the protection of the circuit board is fundamentally increased;

2. through the setting to overall structure, can be so that be connected between shell and the inner shell more nimble, through the structure between spring and the spring, no matter the shell bears the impact of which direction all can and the inner shell between form the protection net of buffering, further improves better protection to the inside circuit board of adapter.

Drawings

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

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic perspective view of the protective casing of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 3 according to the present invention.

In the figure: protective housing 1, adapter body 2, sponge protection pad 3, flank drum 4, supporting spring 5, subtract apart from spout 6, rectangle slider 7, support column 8, decompression limiting plate 9, bottom side spacing groove 10, put spring groove 11, decompression spring 12, sliding groove 13, support post 14, locating support 15, fixed footing 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: an adapter body 2 is placed in a protective shell 1, sponge protective pads 3 connected by glue are symmetrically arranged on two sides of the inner end of the protective shell 1, a five-millimeter interval is arranged between the sponge protective pads 3 and the protective shell 1, integrally-formed flank cylinders 4 are symmetrically arranged on two sides of one end of the adapter body 2, supporting springs 5 are placed in the flank cylinders 4, distance-reducing chutes 6 are symmetrically arranged on two sides of the flank cylinders 4, rectangular sliders 7 are placed at one ends of the inside of the distance-reducing chutes 6, integrally-formed supporting columns 8 are arranged between the rectangular sliders 7, one ends of the supporting columns 8 are located in the flank cylinders 4, the slidable distance of the rectangular sliders 7 on the supporting columns 8 is larger than the length of the supporting columns 8, pressure-reducing limiting plates 9 fixedly connected by screws are arranged at one ends of the supporting columns 8, the length of the pressure-reducing limiting plates 9 is half of the length of a bottom-side limiting groove 10, and two sides of the pressure-reducing limiting plates 9 are both contacted with pressure-reducing springs 12, the two sides of one end of the protective shell 1 are provided with bottom side limiting grooves 10 corresponding to the pressure reducing limiting plates 9, the two sides of the bottom of each bottom side limiting groove 10 are symmetrical to spring releasing grooves 11, pressure reducing springs 12 are placed in the spring releasing grooves 11, the two sides of one end of the protective shell 1 penetrate through the bottom side limiting grooves 10 and are provided with sliding grooves 13, the sliding grooves 13 are positioned above the bottom side limiting grooves 10, the length of the sliding grooves 13 is kept the same as that of the pressure reducing limiting plates 9, the width of the sliding grooves 13 is one half of that of the pressure reducing limiting plates 9, the sliding grooves 13 penetrate through the upper end of the protective shell 1 and are provided with touch posts 14, the contact points of the touch posts 14 and the positioning supports 15 are provided with rubber pads, the touch posts 14 penetrate through the protective shell 1 and are in contact with the middle ends of the pressure reducing limiting plates 9, one ends of the touch posts 14 are sleeved with the positioning supports 15, the positioning supports 15 are positioned at one third of the bottoms of the touch posts 14, and the, and the positioning bracket 15 is fixed with the protective shell 1 by a fixing foot 16 through screw connection.

The working principle is as follows: utilize supporting spring 5 and support column 8 for inside 8 shrink flank drums 4 of support column, further utilize the slip groove 13, make decompression limiting plate 9 utilize slip groove 13 to get into bottom side spacing groove 10, the protection work between protective housing 1 and the adapter body specifically is: rock about adapter body and can lead to decompression limiting plate 9 to slide in bottom side spacing groove 10 is inside, further decompression limiting plate 9 can contact and subtract pressure spring 12, and lead to subtracting pressure spring 12 and carry out the power of holding for decompression limiting plate 9 reaction force, simultaneously the inside sponge protection pad 3 of protecting sheathing 1 protects adapter body 2, further to transverse pressure, adapter body 2 is when rocking in protecting sheathing 1 is inside, rectangle slider 7 is seted up and is being subtracted 6 inside slides in the distance spout, lead to the inside motion of support column 8 at flank drum 4 simultaneously, and then make the continuous contact of support column 8 and supporting spring 5 and carry out the decompression, further when adjusting decompression limiting plate 9, usable locating support 15 and touch post 14, touch post 14 can carry out the position modulation to decompression limiting plate 9, and leave bottom side spacing groove 10.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Power adapter with circuit board limit structure, including protective housing (1), its characterized in that: the adapter body (2) is placed in the protective shell (1), the sponge protective pads (3) connected by glue are symmetrically arranged on the two sides of the inner end of the protective shell (1), the integrally-formed flank cylinders (4) are symmetrically arranged on the two sides of one end of the adapter body (2), the supporting springs (5) are placed in the flank cylinders (4), the distance-reducing chutes (6) are symmetrically arranged on the two sides of the flank cylinders (4), the rectangular sliding blocks (7) are placed at one ends of the inner parts of the distance-reducing chutes (6), the integrally-formed supporting columns (8) are arranged between the rectangular sliding blocks (7), the pressure-reducing limiting plates (9) fixedly connected by screws are arranged at one ends of the supporting columns (8), the bottom side limiting grooves (10) are formed in the two sides of one end of the protective shell (1) corresponding to the pressure-reducing limiting plates (9), and the, and a pressure reducing spring (12) is placed in the spring releasing groove (11), two sides of one end of the protective shell (1) penetrate through the bottom side limiting groove (10) to form a sliding groove (13), two sides of one end of the protective shell penetrate through the contact column (14), one end of the contact column (14) is sleeved with a positioning support (15), and the positioning support (15) is fixedly connected with the protective shell (1) through a fixing bottom foot (16) in a screw mode.

2. The power adapter with circuit board limiting structure according to claim 1, wherein: one end of the supporting column (8) is positioned in the side wing cylinder (4), and the slidable distance of the rectangular sliding block (7) on the supporting column (8) is greater than the length of the supporting column (8).

3. The power adapter with circuit board limiting structure according to claim 1, wherein: the length of the pressure reducing limiting plate (9) is half of the length of the bottom side limiting groove (10), and two sides of the pressure reducing limiting plate (9) are both in contact with the pressure reducing spring (12).

4. The power adapter with circuit board limiting structure according to claim 1, wherein: the sliding groove (13) is positioned above the bottom side limiting groove (10), the length of the sliding groove (13) is the same as that of the decompression limiting plate (9), and the width of the sliding groove (13) is one half of that of the decompression limiting plate (9).

5. The power adapter with circuit board limiting structure according to claim 1, wherein: the positioning support (15) is located at one third of the bottom of the contact column (14), and the sliding distance of the contact column (14) on the positioning support (15) is larger than the wall thickness of one side of the protective shell (1).