Improved storable charger plug structure

By designing a retractable charger plug structure, the plug components can be swung and stored, solving the corrosion and scratch problems caused by exposed plugs, enhancing portability and improving the user experience, as well as improving assembly efficiency and waterproof performance.

CN223956907UActive Publication Date: 2026-02-27廖文干
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Patent Information

Application Number
CN202520202056.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-08
Publication Date
2026-02-27
Estimated Expiration
2035-02-08

AI Technical Summary

Technical Problem

Existing charger prongs are prone to corrosion due to prolonged exposure to the outside, take up a lot of space, and can easily scratch other items. In addition, the spring-driven mechanism loosens after long-term use, affecting the user experience.

Method used

Design a retractable charger plug structure. The plug assembly can pivotally connect to the housing and cooperate with the limiting bevel through the guide plate. When not in use, the plug can swing and be stored in the storage slot, eliminating the need for a tension spring drive. The plug requires force to be moved when in use.

Benefits of technology

It effectively prevents the pins from corroding and scratching other items, enhances portability, improves the user experience affected by spring slack, and increases assembly efficiency and waterproof performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an improved storable charger plug structure. The improved storable charger plug structure comprises a housing; the plug pin assembly comprises a plug pin positioning part and a plug pin; a fixing frame; at least two guide connection sheets; the lower end of the pin extends out of the pin positioning part; at least two limiting inclined planes used for abutting against and limiting the guide connection sheets are formed on the plug pin positioning part. A first limiting part which is sunken downwards and is used for limiting the lower end of the pin assembly is formed on the guide connecting sheet; and a first warping part which is warped upwards and is used for being matched with the limiting inclined surface for positioning is also formed on the guide connecting sheet. According to the utility model, the pin assembly is effectively prevented from being exposed outside for a long time, the corrosion phenomenon is reduced, other carried articles are effectively prevented from being scratched or damaged, and the portability is enhanced. According to the utility model, a tension spring driving mode is omitted, the problem that the use experience is influenced by tension spring looseness is effectively improved, and the rotary charger can be popularized and applied to various rotary chargers.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a charger technical field especially point to a kind of improved charger plug structure of stowable. BACKGROUND

[0002] Now mobile phone becomes the indispensable part in people's life, can realize everything interconnection through mobile phone, realize many functions through mobile phone, but this also leads to the dependence of people on mobile phone becomes larger. With the rapid iteration of mobile phone, its function is also more and more, and the power consumption of mobile phone is also greater, so people have to carry mobile phone charger at any time.

[0003] Most of the chargers on the market, the charging pins are exposed outside, such as: a new type of charger plug is disclosed in Chinese patent application for invention with patent publication number CN119209845A, which comprises: a shell, the shell side is symmetrically fixedly connected with a pin, the shell inside is symmetrically fixedly installed with circuit board, the both sides of the shell wall are symmetrically provided with first cavity, the top wall and bottom wall of the shell are symmetrically provided with second cavity, each second cavity is fixedly installed with auxiliary assembly inside, the both sides of the shell wall are symmetrically provided with first slot, each first cavity is provided with a communication cavity between adjacent second cavity, each first slot is fixedly installed with warning assembly inside. By setting the pop-up assembly, when the data line is pulled out after charging is completed, the charger plug is automatically popped out from the socket, and when the charger plug is short-circuited, it is automatically popped out at the first time, to avoid the short-circuiting still in the socket, causing fire, improving the safety effect.

[0004] However, this existing new type of charger plug still has the following shortcomings:

[0005] In the technical scheme, the pin is fixedly connected to the side of the shell, but the pin cannot be telescopic or swing storage relative to the shell, which makes the pin exposed outside, and after long time use, the outer surface of the pin will be corroded, which affects the normal use of the charging plug, and the pin protrudes from the shell, which increases the occupied space, and the metal pin is easy to scratch or damage other carrying articles (such as mobile phone screen, etc.), which is not convenient to carry.

[0006] In addition, there are also rotating chargers with swing storage pins on the market, such as a rotating charger disclosed in Chinese utility model patent application with patent announcement number CN218385961U, which mainly connects the tension spring between the charger body and the shaft component, and drives the pin to rotate to the open position / closed position through the pusher. However, the tension spring will gradually relax after long time use, which is difficult to avoid, and it is difficult to maintain the unfolded state stably during use, which affects the use experience.

[0007] In view of the above, the inventors propose the following technical solution. Utility model content:

[0008] The purpose of this invention is to overcome the shortcomings of the prior art and provide an improved retractable charger plug structure.

[0009] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: an improved retractable charger plug structure, comprising: a housing having at least two storage slots; a plug assembly pivotally connected to the housing in a swingable manner and retractable into the storage slots, the plug assembly including a plug positioning part and at least two plugs passing through the plug positioning part; a fixing frame disposed within the housing and capable of limiting the plug assembly; at least two guide pieces disposed on the fixing frame and used for guiding the plug assembly; the lower end of the plug protruding out of the plug positioning part; at least two limiting inclined surfaces formed on the plug positioning part for pressing and limiting the guide pieces; a first limiting part formed on the guide piece for being recessed downward and limiting the lower end of the plug assembly, and a first raised part formed on the guide piece for being positioned in conjunction with the limiting inclined surface.

[0010] Furthermore, in the above technical solution, the guide plate is provided with at least two first positioning holes, the fixing bracket is provided with at least two second positioning holes corresponding to the first positioning holes, and the outer shell is provided with at least two positioning protrusions, which pass through the first positioning holes and are pressed into the second positioning holes to position the guide plate.

[0011] Furthermore, in the above technical solution, the housing is provided with a conversion component for regulating voltage. The conversion component includes: a PCB board support, a second PCB board connected to the PCB board support, a third PCB board mounted on the PCB board support, a transformer disposed between the second PCB board and the PCB board support, and a data interface disposed on the third PCB board for connecting to the outside.

[0012] Furthermore, in the above technical solution, the housing is provided with a first PCB board for connecting with the conversion component. The first PCB board has multiple positioning holes, and correspondingly, the fixing frame has multiple positioning posts.

[0013] Further, in the above technical solution, the PCB board support is protruded to form a plurality of clamping arms for clamping and fixing the second PCB board, and correspondingly, a plurality of clamping holes are formed on the second PCB board; a plurality of clamping protrusions are further protruded on the PCB board support, and correspondingly, a plurality of clamping avoiding grooves are formed on the third PCB board.

[0014] Further, in the above technical solution, the shell comprises a first shell and a second shell arranged on the first shell, and the receiving groove is formed on the second shell of the shell; a through hole is formed on the first shell for the data interface to extend outward.

[0015] Further, in the above technical solution, the first support and the second support are protruded on the fixing frame, and correspondingly, a first rotating shaft is formed on the pin positioning part, and the first support and the second support are both inwardly recessed to form arc surfaces, so that the pin assembly can smoothly swing around the first rotating shaft as the rotating center axis.

[0016] Further, in the above technical solution, the first recess and the second recess are formed on the second shell for limiting the first shaft body, and the first recess and the second recess are both inwardly recessed to form arc surfaces.

[0017] Further, in the above technical solution, the second shell is protruded to form a flange for cooperating with the first shell, and the first shell is recessed to form a groove for cooperating with the flange; a plurality of protrusions are further protruded on the second shell, and correspondingly, a plurality of insertion grooves are formed on the first shell.

[0018] Further, in the above technical solution, the shell is spherical, and a supporting surface is formed on the second shell for the shell to stand.

[0019] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art: in the utility model, the pin assembly is pivotally connected to the inside of the shell and a receiving groove is additionally arranged on the shell, so that the pin assembly can be stowed in the receiving groove when not in use, effectively avoiding the pin assembly being exposed for a long time, reducing corrosion, and effectively avoiding scratching or damaging other carrying articles, thereby enhancing portability. In addition, compared with the existing structure, the utility model eliminates the spring driving mode, and the first protrusion on the guide piece cooperates with the limiting inclined surface, so that the pin assembly can be stably stopped in the receiving groove when stowed, and the lower end of the pin is clamped by the first limiting part of the guide piece, so that the pin assembly can maintain an unfolded state when in use, and a certain force needs to be applied to move it, effectively improving the problem of spring relaxation affecting the use experience, and can be widely applied to various rotary chargers.BRIEF DESCRIPTION OF DRAWINGS BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a use state schematic diagram of the utility model;

[0021] Figure 2 is a storage state schematic diagram of the utility model;

[0022] Figure 3 is a disassembly structure schematic diagram of the utility model;

[0023] Figure 4 is a disassembly structure schematic diagram of the utility model from another perspective;

[0024] Figure 5 is an assembly schematic diagram of the plug assembly, the guide piece and the fixing frame in the utility model;

[0025] Figure 6 is a disassembly schematic diagram of the conversion assembly in the utility model;

[0026] Figure 7 is a cross section of the plug assembly, the guide piece and the fixing frame in the utility model Figure 1 ;

[0027] Figure 8 is a cross section of the plug assembly, the guide piece and the fixing frame in the utility model Figure 2 ;

[0028] Figure 9 is a structure schematic diagram of the second shell in the utility model. DETAILED DESCRIPTION

[0029] The utility model is further explained in connection with specific embodiments and drawings.

[0030] See Figures 1 to 9The utility model discloses an improved charger plug structure that can be stored, which comprises a shell 1 provided with at least two storage grooves 123, a plug assembly 2 pivotally connected to the shell 1 and capable of being stored in the storage grooves 123, the plug assembly 2 comprising a plug positioning portion 21 and at least two plugs 22 penetrating the plug positioning portion 21, a fixing frame 3 arranged in the shell 1 and capable of limiting the plug assembly 2, and at least two guide pieces 4 arranged on the fixing frame 3 and used for guiding the plug assembly 2, the lower end of the plug 22 extending out of the plug positioning portion 21, at least two limiting inclined surfaces 211 formed on the plug positioning portion 21 and used for limiting the guide pieces 4, and the guide pieces 4 being concave downward and provided with a first limiting portion 41 for limiting the lower end of the plug assembly 2 and a first raised portion 42 for cooperating with the limiting inclined surfaces 211.

[0031] In the utility model, the plug assembly 2 is pivotally connected to the inside of the shell 1 and the storage grooves 123 are additionally arranged on the shell 1, so that the plug assembly 2 can be stored in the storage grooves 123 when not in use, effectively avoiding the long-term exposure of the plug assembly 2 to the outside, reducing corrosion, and effectively avoiding scratching or damaging other carrying articles, thereby enhancing portability. In addition, compared with the existing structure, the utility model eliminates the spring driving mode, the first raised portion 42 of the guide piece 4 cooperates with the limiting inclined surfaces 211, so that the plug assembly 2 can be stably stored in the storage grooves 123, the first limiting portion 41 of the guide piece 4 clamps the lower end of the plug 22, so that the plug assembly 2 can maintain an unfolded state when in use, and a certain force needs to be applied to move it, effectively improving the problem of the relaxation of the spring affecting the use experience, and the utility model can be widely applied to various rotary chargers.

[0032] The guide piece 4 is provided with at least two first positioning holes 43, the fixing frame 3 is provided with at least two second positioning holes 34 corresponding to the first positioning holes 43, and the shell 1 is protrusively formed with at least two positioning protrusions 101 penetrating the first positioning holes 43 and being pressed into the second positioning holes 34 to position the guide piece 4. Here, the positioning protrusions 101 limit the guide piece 4 on the fixing frame 3 to avoid accidental movement of the guide piece 4 when the plug assembly 2 is moved.

[0033] The shell 1 is provided with a conversion assembly 5 for adjusting voltage, the conversion assembly 5 comprises: a PCB board support 51, a second PCB board 52 connected to the PCB board support 51, a third PCB board 53 installed on the PCB board support 51, a transformer 54 arranged between the second PCB board 52 and the PCB board support 51, and a data interface 55 arranged on the third PCB board 53 and used for connecting with the outside. A plurality of clamping arms 511 for clamping and fixing the second PCB board 52 are protruded on the PCB board support 51, and correspondingly, a plurality of clamping holes 521 are formed on the second PCB board 52; a plurality of clamping protrusions 512 are also protruded on the PCB board support 51, and correspondingly, a plurality of clamping avoiding grooves 531 are formed on the third PCB board 53. Here, the second PCB board 52 and the third PCB board 53 are fixed by the PCB board support 51 in the conversion assembly 5, and during installation, the clamping arms 511 and the clamping holes 521 are correspondingly clamped, and the clamping protrusions 512 and the clamping avoiding grooves 531 are correspondingly clamped, so as to complete the assembly, effectively improve the assembly efficiency, facilitate production management, and the PCB board support 51 can also avoid damage to the second PCB board 52 and the third PCB board 53 during transportation or use.

[0034] The shell 1 is provided with a first PCB board 6 connected with the conversion assembly 5, a plurality of connecting holes 61 are formed on the first PCB board 6, and correspondingly, a plurality of connecting columns 62 are formed on the fixing frame 3. Here, since the first PCB board 6 needs to be insulated between the first PCB board 6 and the lead sheet 4, and at the same time, the first PCB board 6 needs to be kept stable, the first PCB board 6 is installed on the fixing frame 3.

[0035] The shell 1 comprises a first shell 11 and a second shell 12 covering the first shell 11, at least two storage grooves 123 for swinging storage of the pin assembly 2 are formed on the second shell 12, and a through hole 111 for the data interface 55 to extend outward is formed on the first shell 11. Here, the data interface 55 is at least one of a USB interface, a Type-C interface and a Lightning interface, and the data interface 55 is connected with the data line outside through the through hole 111.

[0036] The first support bracket 301 and the second support bracket 302 are protruded on the fixing frame 3, and the first rotating shaft 201 is formed on the pin positioning part 21, and the first support bracket 301 and the second support bracket 302 are both provided with inwardly recessed arc surfaces, so that the pin assembly 2 can swing smoothly with the first rotating shaft 201 as the rotating center shaft. The first recess 121 and the second recess 122 are formed on the second shell 12 and used for limiting the first rotating shaft 201, and the first recess 121 and the second recess 122 are both provided with inwardly recessed arc surfaces. Here, the first support bracket 301 and the second support bracket 302 correspond to the first recess 121 and the second recess 122 respectively, and clamp the first rotating shaft 201, so that the pin assembly 2 can swing smoothly with the first rotating shaft 201 as the rotating center shaft.

[0037] The flange 124 is protruded on the second shell 12 and used for matching with the first shell 11, and the recess 114 is recessed on the first shell 11 and used for matching with the flange 124; and a plurality of convex strips 125 are protruded on the second shell 12, and a plurality of insertion grooves 115 are formed on the first shell 11 correspondingly. Here, when assembling, the flange 124 corresponds to the recess 114, and the convex strip 125 corresponds to the insertion groove 115, so that quick assembly is realized, the assembly efficiency is effectively improved, and after the flange 124 matches with the recess 114, the waterproof performance is enhanced, and dust and water splashing can be effectively prevented from entering the shell 1.

[0038] The shell 1 is spherical, and the support surface 126 is formed on the second shell 12 and used for supporting the shell 1. Here, the shell 1 is spherical, and the pattern is the same as the golf ball pattern, so that after being stored, the shell 1 can be inverted on the desktop, the support surface 126 is attached to the desktop for support, the shell 1 is in the shape of a golf ball, and the ornamental and interesting properties are brought.

[0039] In summary, in the utility model, the pin assembly 2 is pivotally connected to the inside of the shell 1 and can be swing-stored in the storage groove 123 on the shell 1 when not in use, so that the pin assembly 2 is effectively prevented from being exposed for a long time, the corrosion phenomenon is reduced, other carrying articles are effectively prevented from being scratched or damaged, and the portability is enhanced. In addition, compared with the existing structure, the utility model eliminates the spring driving mode, the first protruding part 42 on the connecting piece 4 matches with the limiting inclined surface 211, so that the pin assembly 2 can be stably stopped in the storage groove 123 when being stored, the lower end of the pin 22 is clamped by the first limiting part 41 of the connecting piece 4, so that the pin assembly 2 can be kept in the unfolded state when being used, and a certain force needs to be applied to drive, the problem that the spring relaxation affects the use experience is effectively improved, and the utility model can be applied to various rotary chargers.

[0040] Working principle: when the need to deploy the plug assembly 2, manually dial plug 22 and exert a certain force, so that the plug 22 from the storage slot 123 and swing to the limit position, at this time, combined with Figure 7 As shown in the lower end of the plug 22 will be connected to the first limiting part 41 of the lead sheet 4, so that the plug 22 remains open state, will not swing unexpectedly, to ensure that the connection can be stable when using. When the need to store plug assembly 2, manually dial plug 22 and exert a certain force, drive the lower end of the plug 22 to press and push the first wing 42 produces a slight deformation, so that the plug 22 is stored in the storage slot 123, at this time, combined with Figure 8 As shown in the first wing 42 and limit the slope 211 and plug 22 is limited to the storage slot 123, to ensure that the plug 22 will not swing unexpectedly out of.

[0041] Of course, the above only for the specific embodiments of the present application, not to limit the scope of the present application, all equivalent changes or modifications made in accordance with the principles of the present application described in the patent range structure, features and, should be included in the patent range of the present application.

Claims

1. An improved storable charger plug structure, comprising: a housing (1) provided with at least two storage grooves (123); a plug assembly (2) pivotally connected to the housing (1) and storable in the storage grooves (123), the plug assembly (2) comprising a plug positioning portion (21) and at least two plugs (22) penetrating the plug positioning portion (21); a fixing frame (3) provided in the housing (1) and capable of limiting the plug assembly (2); at least two guide tabs (4) provided on the fixing frame (3) and used for guiding the plug assembly (2); characterized in that the lower end of the plug (22) extends out of the plug positioning portion (21); the plug positioning portion (21) is formed with at least two limiting inclined surfaces (211) used for limiting the guide tabs (4); the guide tab (4) is formed with a first limiting portion (41) downwardly recessed and used for limiting the lower end of the plug assembly (2), and is further formed with a first raised portion (42) upwardly raised and used for cooperating with the limiting inclined surface (211) to limit the plug assembly (2).

2. The improved stowable charger plug structure of claim 1, wherein: The guide tab (4) is provided with at least two first positioning holes (43), the fixing frame (3) is provided with at least two second positioning holes (34) corresponding to the first positioning holes (43), and the housing (1) is provided with at least two positioning protrusions (101) penetrating the first positioning holes (43) and being pressed into the second positioning holes (34) to position the guide tab (4).

3. The improved stowable charger plug structure of claim 1, wherein: The housing (1) is provided with a conversion assembly (5) used for adjusting voltage, the conversion assembly (5) comprising a PCB bracket (51), a second PCB (52) connected to the PCB bracket (51), a third PCB (53) mounted on the PCB bracket (51), a transformer (54) provided between the second PCB (52) and the PCB bracket (51), and a data interface (55) provided on the third PCB (53) and used for connecting with the outside.

4. The improved stowable charger plug structure of claim 3, wherein: The housing (1) is provided with a first PCB (6) used for connecting with the conversion assembly (5), and the first PCB (6) is provided with a plurality of connecting holes (61), and the fixing frame (3) is provided with a plurality of connecting columns (62) corresponding to the connecting holes (61).

5. The improved stowable charger plug structure of claim 3, wherein: The PCB bracket (51) is provided with a plurality of clamping arms (511) protruding and used for clamping and fixing the second PCB (52), and the second PCB (52) is provided with a plurality of clamping holes (521) corresponding to the clamping arms (511); the PCB bracket (51) is further provided with a plurality of clamping protrusions (512) protruding, and the third PCB (53) is provided with a plurality of clamping avoiding grooves (531) corresponding to the clamping protrusions (512).

6. The improved stowable charger plug structure according to any one of claims 3-5, wherein: The shell (1) comprises a first shell (11) and a second shell (12) arranged on the first shell (11), and the receiving groove (123) is arranged on the second shell (12) of the shell (1); the first shell (11) is provided with a through hole (111) for the data interface (55) to extend outward.

7. The improved stowable charger plug structure of claim 6, wherein: The first support (301) and the second support (302) are protruded on the fixing frame (3), and the first shaft (201) is correspondingly formed on the pin positioning part (21), and the first support (301) and the second support (302) are both provided with inwardly recessed arc surfaces, so that the pin assembly (2) can smoothly swing around the first shaft (201) as the rotating center axis.

8. The improved stowable charger plug structure of claim 7, wherein: The first recess (121) and the second recess (122) are formed on the second shell (12) for limiting the first shaft (201), and the first recess (121) and the second recess (122) are both provided with inwardly recessed arc surfaces.

9. The improved stowable charger plug structure of claim 6, wherein: The flange (124) is protruded on the second shell (12) for cooperating with the first shell (11), the recess (114) is recessed on the first shell (11) for cooperating with the flange (124), and a plurality of convex strips (125) are protruded on the second shell (12), and a plurality of insertion grooves (115) are correspondingly arranged on the first shell (11).

10. The improved stowable charger plug structure of any one of claims 7-9, wherein: The shell (1) is spherical, and the support surface (126) is formed on the second shell (12) for standing the shell (1).

Citation Information

Patent Citations

  • Novel charger plug

    CN119209845A

  • Rotary charger

    CN218385961U