CN213026668U

CN213026668U - Novel folding power adapter who participates in structure

Info

Publication number: CN213026668U
Application number: CN202022458727.8U
Authority: CN
Inventors: 周宪章
Original assignee: Shenzhen Zhongdian High Energy Power Technology Co ltd
Current assignee: Shenzhen Zhongdian High Energy Power Technology Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-04-20
Anticipated expiration: 2030-10-29

Abstract

The utility model relates to a novel power adapter with folding pin structure, which comprises a protective shell and an AC folding pin assembly, wherein the protective shell comprises a shell top cover and a shell bottom cover, a PD output cover opening is arranged on the shell top cover, a PD output female seat is fixed on the protective shell, a pin is fixed at the other end of an AC elastic sheet, the pin is connected with a PCB mainboard, a cover plate is arranged above a support, the cover plate is connected with a shell accessory through a screw, the novel power adapter with folding pin structure is characterized in that the AC folding pin assembly is fixed between the shell bottom cover and the top cover in a groove assembly mode, the use abrasion phenomena of the elastic sheet and the pin are avoided, the AC end contact impedance is reduced, the structural stability and the safety are improved, the manufacturing cost is reduced, the space size of the AC folding pin structure is reduced, and the overall size of the adapter is reduced, the use hand feeling of the folding pins is improved.

Description

Novel folding power adapter who participates in structure

Technical Field

The utility model relates to a power adapter technical field specifically is a novel folding power adapter who participates in structure.

Background

As is well known, the existing power adapter is an auxiliary device for charging small-sized electric appliances, and is widely used in the field of power adapters.

For example, the patent publication "CN 206506121U" is named as: the patent of "collapsible power adapter", the patent discloses "collapsible power adapter, including upper cover and lower cover, upper cover and lower cover sealing cover close, the mount pad has set firmly on the lower cover, first mounting groove and second mounting groove have been seted up on the mount pad, be equipped with the pivot on first mounting groove and the second mounting groove, the both ends of pivot are equipped with first connecting block and second connecting block, first plug wears to locate on first connecting block, the second plug wears to locate on the second connecting block, the medial extremity of first plug passes the first slide opening of first contact shell fragment, the medial extremity of second plug passes the second slide opening of second contact shell fragment, first plug and second plug stretch out the mount pad, first storage tank and second storage tank have been seted up to the lateral surface of lower cover, first plug is acceptd in first storage tank, the second plug is acceptd in the second storage tank, and convenient to carry, and sealed effectual".

The existing foldable power adapter is found in use, the contact between the elastic sheet and the plug pins in the prior art adopts a point contact mode, the conduction resistance is large, the contact points are easily abraded in use in the prior art, poor contact of a charger is easily caused, high-temperature ignition and other defects are easily caused, the structure of the part in the prior art is complex, the production cost and the process are high, the AC folding plug pin structure in the prior art occupies large space and is inconvenient to use, and the use limitation is high.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the not enough of prior art, the utility model provides a novel folding power adapter who participates in structure.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a novel power adapter with a folding pin structure comprises a protective shell and an AC folding pin assembly, wherein the protective shell comprises a shell top cover and a shell bottom cover, a PD output cover opening is formed in the shell top cover, a cavity is formed in the protective shell, a PD output female seat is formed in the cavity and connected with the PD output cover opening, the PD output female seat is fixed on the protective shell, the shell top cover is fixedly connected with the shell top cover, a PCB mainboard is fixed above the cavity, the AC folding pin assembly is fixed below the cavity and comprises a screw, a cover plate, a pin rotating shaft, an AC elastic sheet, an AC pin and a shell accessory, a support is fixed on the shell accessory, the pin rotating shaft is fixed below the support and connected with one end of the AC pin, the PCB connector comprises a support and is characterized in that a positioning groove is formed in the support, the positioning groove is formed above a pin rotating shaft, an AC elastic sheet is fixed in the positioning groove, one end of the AC elastic sheet is connected with one end of the pin, the other end of the AC elastic sheet is fixed with a pin, the pin is connected with a PCB mainboard, a cover plate is arranged above the support, and the cover plate is connected with a shell accessory through a screw.

In order to facilitate the use, the utility model discloses the improvement has, AC participates in, AC shell fragment, constant head tank and pin and sets up to two sets of.

In order to facilitate the connection between the AC elastic piece and the AC pin, the utility model discloses the improvement has, the AC elastic piece with the AC pin junction is fixed with the contact.

In order to make the shrapnel possess durable mechanical elasticity performance, the utility model discloses the improvement has, AC shrapnel material is stainless steel nickel plating.

For the convenience of fixing AC pin, the utility model discloses the improvement has, be provided with the spacing groove on the shell accessory, AC pin the other end with the spacing groove phase-match.

In order to make the AC participate in and guarantee when using vertically, the utility model discloses the improvement has, the spacing tank bottom is fixed with the dog.

In order to facilitate the use of users, the utility model discloses the improvement has, be fixed with the pilot lamp on the shell top cover, the pilot lamp sets up PD output cover mouth week side.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel folding power adapter who participates in structure possesses following beneficial effect:

this novel folding power adapter who participates in structure, AC participate in folding assembly and adopt the recess equipment mode to be fixed in between shell bottom and the top cap, shell bottom and top cap adopt the production of ultrasonic pressfitting, participate in rotation axis structure and participate in for AC and the plastic rubber coating is moulded plastics and is accomplished. The elastic sheet positioning structure can effectively fix the AC elastic sheet, so that the AC elastic sheet is not loosened, does not deviate or deform in the working process, avoids the elastic sheet and the abrasion phenomenon caused by the use of inserting the AC end in the folding inserting structure, reduces the contact impedance of the AC end, improves the structural stability and the safety, reduces the manufacturing and production cost, reduces the size of the AC folding inserting structure space, helps to reduce the overall size of the adapter, and improves the folding inserting use hand feeling.

Drawings

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

fig. 2 is an exploded view of the AC folding pin assembly of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a top view of the present invention;

FIG. 5 is a view of the AC pin receiving structure of the present invention;

FIG. 6 is a drawing illustrating the process of extending the AC pins according to the present invention;

fig. 7 is an AC pin extension view of the structure of the present invention.

In the figure: 1. a protective housing; 2. an AC folding prong assembly; 3. a housing top cover; 4. a housing bottom cover; 5. a PD output cover opening; 6. a cavity; 7. a PD output female seat; 8. a PCB main board; 9. a screw; 10. a cover plate; 11. a pin; 12. the pin rotating shaft; 13. an AC spring plate; 14. an AC pin; 15. a housing fitting; 16. a support; 17. positioning a groove; 18. a contact; 19. a limiting groove; 20. a stopper; 21. and an indicator light.

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. 1-7, a power adapter with a novel folding pin structure includes a protective casing 1 and an AC folding pin assembly 2, where the protective casing 1 includes a casing top cover 3 and a casing bottom cover 4, the casing top cover 3 is provided with a PD output cover opening 5, the protective casing 1 is provided with a cavity 6, the cavity 6 is provided with a PD output female seat 7, the PD output female seat 7 is connected with the PD output cover opening 5, the PD output female seat 7 is fixed on the protective casing 1, the casing top cover 3 is fixedly connected with the casing top cover 3, a PCB motherboard 8 is fixed at an upper portion inside the cavity 6, the AC folding pin assembly 2 is fixed below the cavity 6, the AC folding pin assembly 2 includes a screw 9, a cover plate 10, a pin 11, a pin rotation shaft 12, an AC elastic sheet 13, an AC pin 14 and a casing accessory 15, and a bracket 16 is fixed on the casing accessory 15, a pin rotating shaft 12 is fixed below the support 16, the pin rotating shaft 12 is connected with one end of an AC pin 14, a positioning groove 17 is arranged on the support 16, the positioning groove 17 is arranged above the pin rotating shaft 12, an AC elastic sheet 13 is fixed in the positioning groove 17, one end of the AC elastic sheet 13 is connected with one end of the AC pin 14, a pin 11 is fixed at the other end of the AC elastic sheet 13, the pin 11 is connected with the PCB mainboard 8, a cover plate 10 is arranged above the support 16, and the cover plate 10 is connected with the shell accessory 15 through the screw 9.

The AC pins 14, the AC elastic sheet 13, the positioning grooves 17 and the pins 11 are arranged in two groups, so that the use is convenient.

A contact 18 is fixed at the connection position of the AC elastic sheet 13 and the AC pin 14, so that the AC elastic sheet 13 and the AC pin 14 are connected conveniently.

The material of the AC elastic sheet 13 is stainless steel plated with nickel, so that the elastic sheet has durable mechanical elasticity.

The shell fitting 15 is provided with a limiting groove 19, and the other end of the AC pin 14 is matched with the limiting groove 19, so that the AC pin 14 can be conveniently fixed.

A stopper 20 is fixed at the bottom of the limiting groove 19, so that the AC pin 14 is vertical when in use.

An indicator light 21 is fixed on the housing top cover 3, and the indicator light 21 is arranged on the periphery of the PD output cover opening 5, so that the use by a user is facilitated.

In summary, in the power adapter with the novel folding pin structure, when in use, the AC pin 14 folding assembly is fixed between the housing bottom cover 4 and the housing top cover 3 by adopting a groove assembly manner. The shell bottom cover 4 and the shell top cover 3 are produced by ultrasonic pressing, and the AC pins 14 folding assembly is fixed by screws 9. The inside is provided with a positioning groove 17 and a pin rotating shaft 12 structure. The pin rotating shaft 12 is constructed from AC pins 14 and plastic over-molded. The positioning groove 17 can effectively fix the AC elastic sheet 13, so that the AC elastic sheet is not loosened, deviated or deformed during working and use. The AC pins 14 and the PCB main board 8 inside the charger are in contact conduction by adopting an AC elastic sheet 13. A plane elastic contact mode is adopted between the AC pins 14 and the AC elastic sheet 13, and the AC elastic sheet 13 and the PCB main board 8 adopt a pin 11 welding mode. Wherein the AC elastic sheet 13 is made of stainless steel plated with nickel with the thickness of 0.3 mm. So that it possesses durable mechanical spring properties and the AC pins 14 can be rotated 90 degrees. The AC pins 14 are positioned laterally 90 degrees inside the adapter housing when not in use. When the AC socket 14 is used, the AC socket 14 is pulled out, and the AC socket 14 is vertically rotated by 90 degrees and is ejected. The contact mode adopted by the AC pins 14 and the AC elastic sheets 13 is planar contact. The stability of contact conduction is improved, and the contact resistance is reduced. The emphasis is on avoiding wear of the single contact point 18 during use. The service life and the structural stability of the structure are prolonged.

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. A novel power adapter of folding pin structure, includes that protecting sheathing (1) and AC fold pin assembly (2), its characterized in that: the protection shell (1) comprises a shell top cover (3) and a shell bottom cover (4), a PD output cover opening (5) is arranged on the shell top cover (3), a cavity (6) is arranged in the protection shell (1), a PD output female seat (7) is arranged in the cavity (6), the PD output female seat (7) is connected with the PD output cover opening (5), the PD output female seat (7) is fixed on the protection shell (1), the shell top cover (3) is fixedly connected with the shell top cover (3), a PCB mainboard (8) is fixed above the cavity (6), an AC folding pin assembly (2) is fixed below the cavity (6), the AC folding pin assembly (2) comprises a screw (9), a cover plate (10), pins (11), a pin rotating shaft (12), an AC elastic sheet (13), an AC pin (14) and shell accessories (15), the PCB is characterized in that a support (16) is fixed on the shell accessory (15), a pin rotating shaft (12) is fixed below the support (16), the pin rotating shaft (12) is connected with one end of an AC pin (14), a positioning groove (17) is formed in the support (16), the positioning groove (17) is arranged above the pin rotating shaft (12), an AC elastic sheet (13) is fixed in the positioning groove (17), one end of the AC elastic sheet (13) is connected with one end of the AC pin (14), a pin (11) is fixed at the other end of the AC elastic sheet (13), the pin (11) is connected with the PCB main board (8), a cover plate (10) is arranged above the support (16), and the cover plate (10) is connected with the shell accessory (15) through a screw (9).

2. The power adapter with novel folding pin structure as claimed in claim 1, wherein: the AC pins (14), the AC elastic sheet (13), the positioning grooves (17) and the pins (11) are arranged into two groups.

3. The power adapter with novel folding pin structure as claimed in claim 1, wherein: and a contact (18) is fixed at the joint of the AC elastic sheet (13) and the AC pin (14).

4. The power adapter with novel folding pin structure as claimed in claim 1, wherein: the AC elastic sheet (13) is made of stainless steel nickel plating.

5. The power adapter with novel folding pin structure as claimed in claim 1, wherein: a limiting groove (19) is formed in the shell accessory (15), and the other end of the AC pin (14) is matched with the limiting groove (19).

6. The power adapter with novel folding pin structure as claimed in claim 5, wherein: and a stop block (20) is fixed at the bottom of the limit groove (19).

7. The power adapter with novel folding pin structure as claimed in any one of claims 1-6, wherein: be fixed with pilot lamp (21) on shell top cap (3), pilot lamp (21) set up PD output cover mouth (5) week side.