CN114639996B

CN114639996B - Power adapter device

Info

Publication number: CN114639996B
Application number: CN202210224942.2A
Authority: CN
Inventors: 赵炜
Original assignee: Shenzhen Excellent Top Electronics Co ltd
Current assignee: Shenzhen Excellent Top Electronics Co ltd
Priority date: 2021-07-13
Filing date: 2022-03-09
Publication date: 2023-08-25
Anticipated expiration: 2042-03-09
Also published as: CN113241543A; CN114639996A

Abstract

The invention provides a power adapter device, which comprises a connecting plug, an adapter component, a linkage mechanism and a clamping mechanism, wherein the connecting plug is connected with the adapter component; in the power adapter device of the embodiment, by arranging the cooperation of the linkage mechanism and the connecting plug, the connecting male head is connected with the connecting female head only when all metal parts of the connecting male head are positioned in the accommodating cavity of the adapter component in the process of disassembling and assembling the connecting plug, so that the electric shock condition is avoided, and the use safety is good; in addition, through setting up with link gear complex joint mechanism, when connecting plug and adapter subassembly are connected, can also assist fixedly to connecting plug to guarantee the firm in connection of both, excellent in use effect.

Description

Power adapter device

Technical Field

The present invention relates to the field of power adapters, and in particular, to a power adapter device.

Background

Along with the continuous development of the electronic industry, various electronic products are increasingly commonly used, and as an important component of the electronic products, the power adapter is mainly used for charging the electronic products so as to improve the cruising ability of the electronic products.

In general, the power adapter is connected to the electronic device through a data line to implement a charging function, and at least the following problems exist in use: 1. the connection firmness between the data line plug and the power adapter is poor, once a strain occurs in the charging process, the data line plug and the power adapter are easily separated, so that the electronic equipment or the power adapter is invalid, and the use effect is poor; 2. when the data line is plugged and unplugged, when the data line plug and the power adapter are in electric power communication, the metal material of the plug is still exposed, and once a human body contacts the metal material, the metal material is extremely easy to cause electric shock hazard and potential safety hazard exists; in addition, in the existing power adapter, the data line cannot be effectively fixed after being connected with the adapter, and the loosening is easy to occur.

Therefore, there is a need for an improvement to the above-described problems to change the current situation.

Disclosure of Invention

In view of the above, the present invention provides a power adapter device for solving the problems of low connection firmness and potential safety hazards in use of the conventional power adapter.

The present invention proposes a power adapter device comprising:

the connecting plug comprises a connecting male head and a bearing piece, wherein the connecting male head is fixed at one end of the bearing piece, a cable is fixed at the other end of the bearing piece, the bearing piece is provided with a guide groove, the extending direction of the guide groove is parallel to the extending direction of the connecting male head, and the inner wall of the guide groove is provided with tooth shapes;

The adapter assembly comprises an adapter shell and a connecting female head, wherein an accommodating cavity is formed in the adapter shell, the connecting female head is movably accommodated in the accommodating cavity, and the connecting male head is in plug-in fit with the accommodating cavity and is used for being in plug-in fit with the connecting female head;

the linkage mechanism comprises a driving gear and a driving rack, the driving gear is rotationally connected with the adapter shell, and the driving rack is in sliding fit with the adapter shell; when the connecting plug is connected with the adapter component, the driving gear is at least partially accommodated in the guide groove and meshed with the tooth form, one side, away from the tooth form, of the driving gear is meshed with the driving rack, and the driving rack is used for driving the connecting female head to move in a direction approaching to or away from the connecting plug; after the connecting male head and the connecting female head are separated, the connecting male head is positioned outside the accommodating cavity;

the clamping mechanism comprises a clamping assembly which is in sliding fit with the adapter shell, and the driving rack is used for driving the clamping assembly to move towards the connecting plug, is in clamping fit with the connecting plug in a first direction and fixes the connecting plug on the adapter assembly; and

The self-locking mechanism is movably connected with the bearing piece; the self-locking mechanism comprises a self-locking frame and a self-locking connecting frame, the self-locking frame is rotationally connected to the self-locking connecting frame, the adapter shell is connected to the self-locking connecting frame and drives the self-locking frame to rotate towards the bearing piece in the process of connecting the connecting plug with the adapter assembly, the self-locking frame is matched with the bearing piece in a clamping manner in a second direction, and the first direction is perpendicular to the second direction.

According to one embodiment of the invention, the linkage mechanism further comprises an unlocking assembly, the unlocking assembly comprises an unlocking driving piece, an unlocking piece and an unlocking reset piece, the unlocking driving piece is connected to the driving rack, the unlocking piece is in sliding contact with the unlocking driving piece, the moving direction of the unlocking driving piece is perpendicular to the moving direction of the unlocking piece, in the process that the connecting male head is connected with the connecting female head, the unlocking driving piece is used for driving the unlocking piece to extend out of the outer wall of the adapter shell, and the unlocking reset piece is used for driving the unlocking piece to move towards the direction close to the unlocking driving piece.

According to one embodiment of the invention, the unlocking member comprises a button, a connecting shaft and a driven slide block, wherein the connecting shaft is in sliding fit with the adapter shell, the opposite ends of the connecting shaft are respectively connected with the button and the driven slide block, the driven slide block is in sliding contact with the unlocking driving member, and the driven slide block is provided with an avoidance groove matched with the driving rack;

In the process of connecting the male connector with the female connector, the unlocking driving piece is in sliding contact with the driven sliding block and drives the button to extend out of the outer wall of the adapter shell, and the unlocking reset piece is used for driving the button to move towards the inside of the adapter shell.

According to one embodiment of the invention, the driving rack comprises a rack body and a connecting plate, wherein the connecting plate is respectively connected with the rack body and the connecting female head, and the rack body is in meshed connection with the driving gear; the rack body is provided with a clamping chute, the clamping mechanism is in sliding fit with the clamping chute, an included angle is formed between the extending direction of the clamping chute and the moving direction of the rack body, and the rack body is used for driving the clamping mechanism to move towards the direction close to the bearing piece in the process of connecting the male head with the female head.

According to one embodiment of the invention, the clamping assembly comprises a clamping frame and a connecting frame which are connected with each other, wherein the connecting frame is provided with a driving shaft which is in sliding fit with the clamping sliding groove; the bearing piece is provided with a clamping groove, the inner side of the clamping frame is provided with a clamping part matched with the clamping groove, when the male connecting head is in plug-in fit with the female connecting head, the clamping part is in clamping fit with the clamping groove, and the extending direction of the clamping groove is perpendicular to the moving direction of the driving rack;

The outer wall of the bearing piece is also provided with a locking groove, a movable space is arranged in the clamping frame, and an opening of the movable space is positioned on the surface of the clamping frame facing to one side of the bearing piece; the clamping mechanism further comprises a locking assembly which is movably arranged relative to the clamping frame, and at least part of the locking assembly extends out of the opening of the movable space so as to be in clamping fit with the locking groove.

According to one embodiment of the invention, the locking assembly comprises a locking plate and an elastic piece, wherein the locking plate is movably accommodated in the movable space and at least partially extends out of an opening of the movable space, the locking plate is used for being in clamping fit with the locking groove, one side of the locking plate, which faces the connecting female head, is an abutting surface, and the abutting surface is perpendicular to the moving direction of the driving rack; wherein, the opening of the movable space is provided with a limiting part, and the limiting part is used for limiting the movement of the lock plate;

the inside connection convex part that is equipped with on keeping away from its open-ended one side terminal surface of activity space, the jam plate orientation connection groove has been seted up to one side of connection convex part, the elastic component respectively with connection convex part with the joint cooperation of connection groove.

According to one embodiment of the invention, the adapter assembly further comprises a positioning piece, the adapter housing is provided with a positioning movable cavity communicated with the accommodating cavity, the positioning piece is connected to the inner wall of the positioning movable cavity and at least partially stretches into the accommodating cavity, the outer wall of the connecting male head is provided with a positioning groove, and the positioning piece is used for being in clamping fit with the positioning groove in the process of separating the connecting male head from the connecting female head.

According to one embodiment of the invention, the positioning piece comprises a positioning part and a flexible connecting part, one end of the connecting part is connected to the inner wall of the positioning movable cavity, the other end of the connecting part is connected to the positioning part, and the positioning part at least partially stretches into the movable cavity, wherein the cross section of the positioning part and the cross section of the positioning groove are arc-shaped.

According to one embodiment of the invention, the bearing piece is provided with a self-locking driving groove, the self-locking driving groove comprises a first notch, a second notch and a third notch, the second notch is respectively communicated with the first notch and the second notch, and the depth of the first notch is smaller than that of the third notch; the self-locking connecting frame is provided with a connecting frame clamping part and a connecting frame hinging part, the connecting frame clamping part is connected with the connecting frame hinging part, when the bearing piece is connected with the self-locking connecting frame, the connecting frame clamping part is matched with the self-locking driving groove in a clamping way, and the self-locking connecting frame is rotationally connected with the self-locking frame through the connecting frame hinging part;

The connecting frame clamping part comprises a first self-locking clamping block and a second self-locking clamping block, the first self-locking clamping block is used for being matched with the first notch in a clamping way, the length of the first self-locking clamping block is not greater than that of the first notch, the second self-locking clamping block is used for being matched with the third notch in a clamping way, and the length of the second self-locking clamping block is not greater than that of the third notch.

According to one embodiment of the invention, the adapter housing is provided with a self-locking movable cavity and a self-locking guide groove communicated with the self-locking movable cavity, the self-locking frame comprises a first self-locking guide shaft, a second self-locking guide shaft, a lock frame locking part and a lock frame hinging part, an included angle is formed between the lock frame locking part and the direction of the first self-locking guide shaft towards the second self-locking guide shaft, the self-locking frame is rotationally connected with the self-locking connecting frame through the lock frame hinging part, the first self-locking guide shaft and the second self-locking guide shaft are arranged at intervals, and the lock frame locking part is used for being abutted against the outer wall of the bearing part so as to fix the bearing part on the adapter assembly;

the self-locking guide groove is provided with a first guide groove section and a second guide groove section which are communicated, an included angle is formed between the second guide groove section and the first guide groove section, and the first self-locking guide shaft and the second self-locking guide shaft are in sliding fit with the self-locking guide groove; when the first self-locking guide shaft and the second self-locking guide shaft are both positioned in the first guide groove section, the self-locking frame and the bearing piece are arranged at intervals, and when the first self-locking guide shaft is positioned in the first guide groove section and the second self-locking guide shaft is positioned in the second guide groove section, the self-locking frame is abutted to the outer wall of the bearing piece and fixes the bearing piece on the adapter assembly;

The adapter shell is further provided with a self-locking empty-avoiding groove communicated with the self-locking movable cavity, and when the self-locking frame rotates far away from the bearing piece, the connecting frame clamping part is at least partially accommodated in the self-locking empty-avoiding groove.

The embodiment of the invention has the following beneficial effects:

when the power adapter device of the embodiment is used, the connecting male head of the connecting plug is inserted into the accommodating cavity at first until the metal part of the connecting male head is positioned in the accommodating cavity, the connecting male head is continuously moved towards the connecting female head along with the connecting plug, the linkage mechanism is matched with the bearing piece to drive the connecting female head to move towards the connecting male head and enable the connecting male head and the connecting male head to be in plug-in fit to realize circuit communication, the linkage mechanism can drive the clamping mechanism to move towards the connecting plug, and when the connecting male head is completely connected with the connecting female head, the clamping mechanism can fix the connecting plug on the adapter component.

In the power adapter device of the embodiment, by arranging the cooperation of the linkage mechanism and the connecting plug, the connecting male head is connected with the connecting female head only when all metal parts of the connecting male head are positioned in the accommodating cavity of the adapter component in the process of disassembling and assembling the connecting plug, so that the electric shock condition is avoided, and the use safety is good; in addition, through setting up with link gear complex joint mechanism, when connecting plug and adapter subassembly are connected, can also assist fixedly to connecting plug to guarantee the firm in connection of both, excellent in use effect.

In addition, in the power adapter device of this embodiment, can carry out the joint to the opposite both sides of carrier in first direction through the joint subassembly that sets up and fix, self-locking mechanism can be when carrier and adapter subassembly are connected simultaneously, fixes the carrier in the second direction, can realize firm the fixing between carrier and the adapter subassembly from this, when carrier and adapter subassembly separation, self-locking mechanism can realize automatic unblock, excellent in use effect.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Wherein:

FIG. 1 is an isometric view of a power adapter arrangement in an embodiment of the invention;

FIG. 2 is a schematic illustration of a connector plug and adapter assembly in a disconnected state in an embodiment of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic view of the linkage and the clamping mechanism in an embodiment of the invention;

FIG. 5 is a cross-sectional view of a power adapter arrangement in an embodiment of the invention;

FIG. 6 is an enlarged view of part B of FIG. 5;

FIG. 7 is an enlarged view of part C of FIG. 5;

FIG. 8 is an enlarged view of portion D of FIG. 5;

FIG. 9 is a schematic diagram of a separated state of a power adapter device in an embodiment of the present invention;

FIG. 10 is a perspective view of an adapter assembly in an embodiment of the present invention;

FIG. 11 is a schematic cross-sectional view of a power adapter device in an embodiment of the invention;

FIG. 12 is a schematic cross-sectional view of an adapter assembly in an embodiment of the invention;

reference numerals:

10. a power adapter device;

100. a connection plug; 110. connecting a male head; 111. a positioning groove; 120. a carrier; 121. a guide groove; 1211. tooth form; 122. a locking groove; 123. a clamping groove; 124. a self-locking driving groove; 1241. a first notch; 1242. a second notch; 1243. a third notch;

200. an adapter assembly; 210. an adapter housing; 211. a connecting seat; 2111. a receiving chamber; 212. unlocking the movable cavity; 2121. a first unlocking cavity; 2122. a second unlocking cavity; 213. positioning the movable cavity; 214. self-locking movable cavity; 215. self-locking guide grooves; 2151. a first guide groove section; 2152. a second guide groove section; 216. self-locking empty-avoiding groove; 220. connecting the female head; 230. a positioning piece; 231. a positioning part; 232. a connection part; 240. an adapter plug;

300. A linkage mechanism; 310. a drive gear; 320. a drive rack; 321. a rack body; 3211. the clamping chute; 322. a connecting plate; 330. unlocking the assembly; 331. unlocking the driving piece; 332. an unlocking member; 3321. a button; 3322. a connecting shaft; 3323. a driven slide block; 33231. an avoidance groove; 333. unlocking the reset piece;

400. a clamping mechanism; 410. a clamping assembly; 411. a clamping frame; 4111. a clamping part; 4112. a movable space; 4113. a limit part; 4114. a connection protrusion; 412. a connecting frame; 4121. a drive shaft; 420. a locking assembly; 421. a lock plate; 4211. an abutment surface; 4212. a connecting groove; 422. an elastic member;

500. a self-locking mechanism; 510. a self-locking frame; 511. a first self-locking guide shaft; 512. the second self-locking guide shaft; 513. a lock frame locking part; 514. a lock frame hinge part; 520. a self-locking connecting frame; 521. a connecting frame clamping part; 5211. the first self-locking clamping block; 5212. the second self-locking clamping block; 522. and a connecting frame hinge part.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1, 2 and 3, an embodiment of the present invention provides a power adapter apparatus 10, which includes a connection plug 100, an adapter assembly 200, a linkage mechanism 300 and a clamping mechanism 400, wherein the connection plug 100 includes a connection male 110 and a carrier 120, the connection male 110 is fixed at one end of the carrier 120, a cable is fixed at the other end of the carrier 120, the carrier 120 is provided with a guide groove 121, an extending direction of the guide groove 121 is parallel to an extending direction of the connection male 110, and a tooth shape 1211 is provided on an inner wall of the guide groove 121; the adapter assembly 200 comprises an adapter housing 210 and a connection female 220, wherein a containing cavity 2111 is formed in the adapter housing 210, the connection female 220 is movably contained in the containing cavity 2111, and the connection male 110 is in plug-in fit with the containing cavity 2111 and is used for being in plug-in fit with the connection female 220; the linkage mechanism 300 comprises a driving gear 310 and a driving rack 320, wherein the driving gear 310 is rotationally connected with the adapter housing 210, and the driving rack 320 is in sliding fit with the adapter housing 210; when the connection plug 100 is connected with the adapter assembly 200, the driving gear 310 is at least partially accommodated in the guide groove 121 and meshed with the tooth 1211, one side of the driving gear 310 away from the tooth 1211 is meshed with the driving rack 320, and the driving rack 320 is used for driving the connection female head 220 to move towards or away from the connection plug 100; after the connection male 110 and the connection female 220 are separated, the connection male 110 is located outside the accommodation chamber 2111; the clamping mechanism 400 includes a clamping assembly 410, the clamping assembly 410 is slidably matched with the adapter housing 210, and the driving rack 320 is used for driving the clamping assembly 410 to move towards the connection plug 100, and is in clamping fit with the connection plug 100 in a first direction, and fixes the connection plug 100 on the adapter assembly 200; the self-locking mechanism 500 is movably connected to the carrier 120; the self-locking mechanism 500 comprises a self-locking frame 510 and a self-locking connecting frame 520, wherein the self-locking frame 510 is rotatably connected to the self-locking connecting frame 520, and in the process of connecting the connecting plug 100 with the adapter assembly 200, the adapter housing 210 is connected to the self-locking connecting frame 520 and drives the self-locking frame 510 to rotate towards the bearing member 120 and to be in clamping fit with the bearing member 120 in a second direction, and the first direction is perpendicular to the second direction.

When the power adapter device 10 of the present embodiment is used, the male connection end 110 of the connection plug 100 is first inserted into the accommodating cavity 2111 until the metal portion of the male connection end 110 is located in the accommodating cavity 2111, and as the connection plug 100 continues to move toward the female connection end 220, the linkage mechanism 300 cooperates with the carrier 120 to drive the female connection end 220 to move toward the male connection end 110 and make the male connection end 110 in a plug-in fit for achieving circuit communication, and the linkage mechanism 300 can drive the locking mechanism 400 to move toward the connection plug 100, so that the locking mechanism 400 can fix the connection plug 100 on the adapter assembly 200 when the male connection end 110 and the female connection end 220 are completely connected.

In the power adapter device 10 of the present embodiment, by setting the cooperation of the linkage mechanism 300 and the connection plug 100, during the process of assembling and disassembling the connection plug 100, the connection male 110 is connected with the connection female 220 only when all the metal parts of the connection male 110 are located in the accommodating cavity 2111 of the adapter assembly 200, thereby avoiding the occurrence of electric shock, and having good use safety; in addition, through setting up with link gear 300 complex joint mechanism 400, when connecting plug 100 and adapter subassembly 200 are connected, can also assist the fixed to connecting plug 100 to guarantee the firm in connection of both, excellent in use effect.

In addition, in the power adapter device 10 of the present embodiment, the opposite sides of the carrier 120 in the first direction can be clamped and fixed by the provided clamping assembly 410, and meanwhile, the self-locking mechanism 500 can fix the carrier 120 in the second direction when the carrier 120 is connected with the adapter assembly 200, so that the carrier 120 and the adapter assembly 200 can be firmly fixed, and when the carrier 120 is separated from the adapter assembly 200, the self-locking mechanism 500 can realize automatic unlocking, so that the use effect is good.

Referring to fig. 2 and 5, in the present embodiment, the adapter housing 210 includes a connection seat 211, and the connection seat 211 is communicated with the accommodation cavity 2111, so that when the connection plug 100 is connected to the adapter assembly 200, the connection male 110 can be slidably engaged with an inner wall of the connection seat 211 to position the connection male 110.

Further, referring to fig. 1, 4 and 5, the linkage mechanism 300 further includes an unlocking assembly 330, the unlocking assembly 330 includes an unlocking driving member 331, an unlocking member 332 and an unlocking reset member 333, the unlocking driving member 331 is connected to the driving rack 320, the unlocking member 332 is in sliding contact with the unlocking driving member 331, and the moving direction of the unlocking driving member 331 is perpendicular to the moving direction of the unlocking member 332, during the process of connecting the male head 110 and the female head 220, the unlocking driving member 331 is used for driving the unlocking member 332 to extend out from the outer wall of the adapter housing 210, and the unlocking reset member 333 is used for driving the unlocking member 332 to move towards the direction close to the unlocking driving member 331.

In the present embodiment, the adapter housing 210 is further provided with an unlocking movable cavity 212 inside, and the unlocking component 330 is at least partially movably accommodated in the unlocking movable cavity 212; specifically, when the carrier 120 drives the driving rack 320 to move through the driving gear 310, the driving rack 320 can drive the unlocking driving piece 331 to move along the vertical direction shown in fig. 5, when the unlocking driving piece 331 moves upwards, because an included angle is formed between a contact surface between the unlocking driving piece 331 and the unlocking piece 332 and a moving direction of the unlocking driving piece 331, the unlocking driving piece 331 can slide relatively with the unlocking piece 332, and drive the unlocking piece 332 to move outwards until the unlocking piece 332 protrudes from the outer wall of the adapter housing 210, until the connection male head 110 is connected with the connection female head 220, at this time, the unlocking piece 332 can be fixed relative to the adapter housing 210, when the connection plug 100 needs to be unlocked, the unlocking piece 332 can be pushed in the adapter housing 210, so that the unlocking driving piece 331 is driven to move downwards through the unlocking piece 332 until the clamping mechanism 400 is separated from the connection plug 100, and the unlocking operation can be completed, and the operation is convenient.

Specifically, referring to fig. 6, the unlocking member 332 includes a button 3321, a connecting shaft 3322 and a driven sliding block 3323, the connecting shaft 3322 is slidably matched with the adapter housing 210, opposite ends of the connecting shaft 3322 are respectively connected to the button 3321 and the driven sliding block 3323, the driven sliding block 3323 is in sliding contact with the unlocking driving member 331, and the driven sliding block 3323 is provided with a avoiding groove 33231 matched with the driving rack 320;

During the process of connecting the male connector 110 and the female connector 220, the unlocking driving member 331 is in sliding contact with the driven sliding block 3323, and drives the button 3321 to extend from the outer wall of the adapter housing 210, and the unlocking reset member 333 is used for driving the button 3321 to move towards the interior of the adapter housing 210.

In this embodiment, the unlocking movable cavity 212 includes a first unlocking cavity 2121 and a second unlocking cavity 2122 that are communicated, the extending direction of the first unlocking cavity 2121 is perpendicular to the moving direction of the driving rack 320, and the extending direction of the second unlocking cavity 2122 is parallel to the moving direction of the driving rack 320; upon relative movement between the unlocking drive 331 and the unlocking piece 332, the unlocking piece 332 may move into the first unlocking cavity 2121, the unlocking drive 331 may move into the second unlocking cavity 2122, thereby avoiding movement interference between the adapter housing 210 and the unlocking drive 331 and the unlocking piece 332, and the inner wall of the unlocking movement cavity 212 may guide movement of the unlocking drive 331 and/or the unlocking piece 332.

Referring to fig. 5, in one embodiment, the driving rack 320 includes a rack body 321 and a connection plate 322, the connection plate 322 is connected to the rack body 321 and the connection female head 220, respectively, and the rack body 321 is engaged with the driving gear 310; the rack body 321 is provided with a clamping sliding chute 3211, the clamping mechanism 400 is in sliding fit with the clamping sliding chute 3211, an included angle is formed between the extending direction of the clamping sliding chute 3211 and the moving direction of the rack body 321, and the rack body 321 is used for driving the clamping mechanism 400 to move towards a direction close to the bearing piece 120 in the process of connecting the male head 110 and the female head 220.

As shown in fig. 4 and 5, when the driving gear 310 drives the driving rack 320 to move in the vertical direction in the drawing, the clamping chute 3211 can drive the clamping mechanism 400 to move toward or away from the connection plug 100, and the clamping mechanism 400 can move in the direction perpendicular to the driving rack 320 under the sliding fit of the adapter housing 210, so that the power adapter device 10 has a compact structure and good use effect.

Specifically, referring to fig. 7, an included angle between an extending direction of the clamping sliding slot 3211 and an extending direction of the rack body 321 may be 45 °, so that when the rack body 321 moves a preset distance a along the extending direction, the clamping sliding slot 3211 may drive the clamping mechanism 400 to move a distance a in a direction approaching or separating from the connection plug 100; in other embodiments, the angle between the extending direction of the locking sliding slot 3211 and the extending direction of the rack body 321 may be 15 °, 30 °, 60 °, etc., so as to enable the locking mechanism 400 to be driven to move by the locking sliding slot 3211, which is not limited only herein.

Referring to fig. 4, the clamping assembly 410 includes a clamping frame 411 and a connecting frame 412, wherein the connecting frame 412 is provided with a driving shaft 4121, and the driving shaft 4121 is slidably matched with the clamping sliding groove 3211; the bearing member 120 is provided with a clamping groove 123, a clamping portion 4111 adapted to the clamping groove 123 is arranged on the inner side of the clamping frame 411, when the male connection end 110 is in plug-in fit with the female connection end 220, the clamping portion 4111 is in clamping fit with the clamping groove 123, and the extending direction of the clamping groove 123 is perpendicular to the moving direction of the driving rack 320.

In the present embodiment, the locking assembly 410 is slidably engaged with the adapter housing 210 through the connection frame 412, and the movement direction of the connection frame 412 is perpendicular to the movement direction of the driving rack 320, so that the locking frame 411 can be driven by the connection frame 412 to move toward or away from the connection plug 100, thereby locking and releasing the connection plug 100.

Through setting up with the perpendicular joint groove 123 of the direction of movement of drive rack 320, when joint portion 4111 and joint groove 123 joint cooperation, can carry out spacingly to the removal of connecting plug 100 along the drive rack 320 length direction, compact structure, excellent in use effect.

Further, as shown in fig. 3 to 5, the outer wall of the carrier 120 is further provided with a locking slot 122, a movable space 4112 is provided inside the clamping frame 411, and an opening of the movable space 4112 is located on a surface of the clamping frame 411 facing to one side of the carrier 120; the locking mechanism 400 further includes a locking component 420, where the locking component 420 is movably disposed relative to the locking frame 411, and the locking component 420 at least partially protrudes from an opening of the movable space 4112 for being in locking engagement with the locking slot 122.

It can be appreciated that, by arranging the locking assembly 420 that can move relative to the locking assembly 410, before the locking assembly 420 is not corresponding to the locking slot 122 in the process of connecting the male connector 110 and the female connector 220, the locking assembly 420 can be at least partially retracted into the movable space 4112, so as to avoid blocking the movement of the connector plug 100, and when the male connector 110 is completely connected with the female connector 220, the locking assembly 420 can be engaged with the locking slot 122, thereby realizing the function of limiting the connector plug 100, and the whole structure of the locking mechanism 400 is compact and the locking effect is good.

Specifically, referring to fig. 7, the locking assembly 420 includes a locking plate 421 and an elastic member 422, wherein the locking plate 421 is movably accommodated in the movable space 4112 and at least partially protrudes from an opening of the movable space 4112, the locking plate 421 is configured to be in snap fit with the locking groove 122, a side of the locking plate 421 facing the connection female head 220 is an abutment surface 4211, and the abutment surface 4211 is perpendicular to a moving direction of the driving rack 320; the opening of the movable space 4112 is provided with a limiting portion 4113, and the limiting portion 4113 is used for limiting the movement of the lock plate 421.

Through setting up spacing portion 4113 at the opening part of activity space 4112, the jam plate 421 can be partly stretch out from the clearance between spacing portion 4113 and the inner wall of activity space 4112, and when the jam plate 421 moved to extreme position, spacing portion 4113 can butt in the jam plate 421 to avoid jam plate 421 to deviate from in the activity space 4112, and can restrict the length that the jam plate 421 stretches out, simple structure, excellent in use effect.

In addition, by providing the contact surface 4211 perpendicular to the moving direction of the driving rack 320, when the contact surface 4211 contacts the inner wall of the locking groove 122, the lock plate 421 can restrict the movement of the connection plug 100 by the contact surface 4211, so as to avoid the accidental separation of the connection plug 100 from the adapter assembly 200.

Further, a connection protrusion 4114 is disposed on an end surface of the movable space 4112 away from the opening, and a connection groove 4212 is disposed on a side of the lock plate 421 facing the connection protrusion 4114, and the elastic member 422 is respectively engaged with the connection protrusion 4114 and the connection groove 4212.

In the present embodiment, the elastic member 422 is a coil spring, and by providing the connection protrusion 4114 and the connection groove 4212 to cooperate with the elastic member 422, the radial movement of the elastic member 422 can be restricted to ensure the direction of the elastic force of the elastic member 422.

Further, referring to fig. 2, 5 and 8, the adapter assembly 200 further includes a positioning member 230, the adapter housing 210 is provided with a positioning movable cavity 213 that is communicated with the accommodating cavity 2111, the positioning member 230 is connected to an inner wall of the positioning movable cavity 213 and extends into the accommodating cavity 2111 at least partially, a positioning groove 111 is provided on an outer wall of the male connection end 110, and the positioning member 230 is used for being in clamping fit with the positioning groove 111 in a process of separating the male connection end 110 from the female connection end 220.

Therefore, when the connection plug 100 is to be pulled out from the accommodating cavity 2111, the positioning member 230 can limit the connection male head 110 under the elastic action, so as to avoid the breakage of the cable connected with the connection plug 100 caused by the excessively high separation speed of the connection plug 100 and the adapter assembly 200; the positioning member 230 may also be engaged with the male connector 110 by a snap fit to alert a user of the connection status of the power adapter device 10 during the connection of the connector plug 100 to the adapter assembly 200.

Specifically, referring to fig. 8, the positioning member 230 includes a positioning portion 231 and a flexible connecting portion 232, one end of the connecting portion 232 is connected to an inner wall of the positioning movable cavity 213, the other end of the connecting portion 232 is connected to the positioning portion 231, and the positioning portion 231 at least partially extends into the movable cavity, wherein a cross section of the positioning portion 231 and a cross section of the positioning slot 111 are both arc-shaped.

It can be appreciated that, by setting the cross section of the positioning portion 231 and the cross section of the positioning groove 111 to be arc-shaped, the resistance when the positioning member 230 is locked into or released from the positioning groove 111 can be reduced, so as to improve the separation efficiency of the connection plug 100 and the positioning member 230, and the use effect is good.

Referring to fig. 1, in the present embodiment, the adapter assembly 200 further includes an adapter plug 240, where the adapter plug 240 is disposed on the adapter housing 210, and the adapter plug 240 is electrically connected to the connection base 211 through a control circuit, so as to implement a function of charging the electronic device through the connection plug 100.

In some embodiments, the connection holder 211 is electrically connected to the control circuit through a flexible circuit board, and since the connection holder 211 is movably disposed in the accommodation chamber 2111, electrical communication can be achieved without affecting the moving function of the connection holder 211 through the flexible circuit board connection.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Referring to fig. 10 to 12, in an embodiment, the carrier 120 is provided with a self-locking driving slot 124, the self-locking driving slot 124 includes a first slot 1241, a second slot 1242 and a third slot 1243, the second slot 1242 is respectively communicated with the first slot 1241 and the second slot 1242, and the depth of the first slot 1241 is smaller than that of the third slot 1243; the self-locking connecting frame 520 is provided with a connecting frame clamping part 521 and a connecting frame hinging part 522, the connecting frame clamping part 521 is connected with the connecting frame hinging part 522, when the bearing piece 120 is connected with the self-locking connecting frame 520, the connecting frame clamping part 521 is matched with the self-locking driving groove 124 in a clamping way, and the self-locking connecting frame 520 is rotationally connected with the self-locking frame 510 through the connecting frame hinging part 522; the connecting frame clamping portion 521 comprises a first self-locking clamping block 5211 and a second self-locking clamping block 5212, wherein the first self-locking clamping block 5211 is used for being matched with the first notch 1241 in a clamping way, the length of the first self-locking clamping block 5211 is not larger than that of the first notch 1241, the second self-locking clamping block 5212 is used for being matched with the third notch 1243 in a clamping way, and the length of the second self-locking clamping block 5212 is not larger than that of the third notch 1243.

Further, the adapter housing 210 is provided with a self-locking movable cavity 214 and a self-locking guide groove 215 communicated with the self-locking movable cavity 214, the self-locking frame 510 comprises a first self-locking guide shaft 511, a second self-locking guide shaft 512, a lock frame locking part 513 and a lock frame hinging part 514, an included angle is formed between the lock frame locking part 513 and the direction of the first self-locking guide shaft 511 towards the second self-locking guide shaft 512, the self-locking frame 510 is rotationally connected with the self-locking connecting frame 520 through the lock frame hinging part 514, the first self-locking guide shaft 511 and the second self-locking guide shaft 512 are arranged at intervals, and the lock frame locking part 513 is used for abutting against the outer wall of the bearing piece 120 so as to fix the bearing piece 120 on the adapter assembly 200; the self-locking guide groove 215 is provided with a first guide groove section 2151 and a second guide groove section 2152 which are communicated, an included angle is formed between the second guide groove section 2152 and the first guide groove section 2151, and the first self-locking guide shaft 511 and the second self-locking guide shaft 512 are in sliding fit with the self-locking guide groove 215; when the first self-locking guide shaft 511 and the second self-locking guide shaft 512 are both positioned in the first guide groove section 2151, the self-locking frame 510 and the bearing member 120 are arranged at intervals, and when the first self-locking guide shaft 511 is positioned in the first guide groove section 2151 and the second self-locking guide shaft 512 is positioned in the second guide groove section 2152, the self-locking frame 510 is abutted against the outer wall of the bearing member 120 and fixes the bearing member 120 on the adapter assembly 200; the adapter housing 210 is further provided with a self-locking hollow-avoiding groove 216 communicated with the self-locking movable cavity 214, and when the self-locking frame 510 rotates away from the carrier 120, the connecting frame clamping portion 521 is at least partially accommodated in the self-locking hollow-avoiding groove 216.

When the power adapter device 10 of the present embodiment is used, in the process of connecting the connection plug 100 with the adapter assembly 200, the carrier 120 is first engaged with the self-locking connection rack 520 of the self-locking mechanism 500 through the self-locking driving slot 124, at this time, the bottom of the self-locking driving slot 124 abuts against the second self-locking clamping block 5212 of the connection rack clamping portion 521, the self-locking connection rack 520 drives the self-locking rack 510 to move along the moving direction of the carrier 120 through the connection rack hinge portion 522, and after the second self-locking guide shaft 512 moves to the second guide slot segment 2152, the self-locking rack 510 rotates relative to the carrier 120 until the lock rack locking portion 513 abuts against the outer wall of the carrier 120 and clamps the carrier 120, thereby fixing the carrier 1202.

When the carrier 120 is separated from the adapter assembly 200, the self-locking frame 510 is driven to move together by the engagement between the first notch 1241 and the first self-locking block 5211, and when the connecting frame engaging portion 521 is moved to a position corresponding to the self-locking space-avoiding groove 216, as shown in fig. 11, the connecting frame engaging portion 521 rotates clockwise and enables the first self-locking block 5211 to be accommodated in the self-locking space-avoiding groove 216, and at this time, along with the movement of the carrier 120, the self-locking mechanism 500 changes in the following order: 1. the connection frame clamping part 521 rotates clockwise; 2. the first self-locking clamping block 5211 is separated from the first notch 1241; 3. the second self-locking latch 5212 is disengaged from the second slot 1242; in this embodiment, the first self-locking fixture block 5211 and the second self-locking fixture block 5212 are not larger than the first notch 1241 and the second notch 1242, respectively, so that the first self-locking fixture block 5211 and the second self-locking fixture block 5212 can be separated from the first notch 1241 and the second notch 1242, respectively, and meanwhile, the connection between the corresponding fixture blocks and the notches when the carrier 120 is connected with the adapter assembly 200 can be ensured. Of course, the thickness dimensions of the first self-locking clamping block 5211 and the second self-locking clamping block 5212 can be smaller than the first notch 1241 and the second notch 1242, respectively, so as to ensure the functions of being convenient for disengagement and linkage, which will not be described herein.

Referring to fig. 12, because of the angle between the first guide groove segment 2151 and the second guide groove segment 2152, after the carrier 120 drives the self-locking frame 510 to move along the linear direction through the self-locking connecting frame 520, the first self-locking guide shaft 511 and the second self-locking guide shaft 512 can be driven to move in the self-locking driving groove 124, and the self-locking frame 510 is driven to move towards or away from the carrier 120 through the hinged relationship between the lock frame hinge portion 514 and the connecting frame hinge portion 522, so as to realize the action of fixing or releasing the carrier 120, thereby enabling the self-locking mechanism 500 to have a compact structure on the premise of realizing the self-locking function of the self-locking mechanism 500, and facilitating the miniaturization and compact design requirements of the power adapter device 10.

In addition, referring to the state shown in fig. 11, since the upper end of the self-locking frame 510 is inclined in a direction away from the carrier 120 at this time, when the carrier 120 is just contacted with the adapter assembly 200, the self-locking frame 510 is in a state of being separated from the carrier 120, and as the carrier 120 is inserted into the adapter housing 210, the self-locking frame 510 can move in a direction towards the carrier 120 under the linkage action of the self-locking mechanism 500, and finally a self-locking function is realized, so that the use effect is good.

Claims

1. A power adapter device, comprising:

the self-locking mechanism is movably connected with the bearing piece; the self-locking mechanism comprises a self-locking frame and a self-locking connecting frame, the self-locking frame is rotatably connected with the self-locking connecting frame, the adapter shell is connected with the self-locking connecting frame and drives the self-locking frame to rotate towards the bearing piece in the second direction, and the self-locking frame is in clamping fit with the bearing piece in the second direction, and the first direction is perpendicular to the second direction; the bearing piece is provided with a self-locking driving groove, the self-locking connecting frame is provided with a connecting frame clamping part and a connecting frame hinging part, the connecting frame clamping part is connected with the connecting frame hinging part, when the bearing piece is connected with the self-locking connecting frame, the connecting frame clamping part is matched with the self-locking driving groove in a clamping way, and the self-locking connecting frame is connected with the self-locking frame in a rotating way through the connecting frame hinging part.

2. The power adapter device according to claim 1, wherein the linkage mechanism further comprises an unlocking assembly, the unlocking assembly comprises an unlocking driving piece, an unlocking piece and an unlocking reset piece, the unlocking driving piece is connected to the driving rack, the unlocking piece is in sliding contact with the unlocking driving piece, the moving direction of the unlocking driving piece is perpendicular to the moving direction of the unlocking piece, the unlocking driving piece is used for driving the unlocking piece to extend out of the outer wall of the adapter shell in the process of connecting the male connector and the female connector, and the unlocking reset piece is used for driving the unlocking piece to move towards the direction close to the unlocking driving piece.

3. The power adapter device according to claim 2, wherein the unlocking member comprises a button, a connecting shaft and a driven slider, the connecting shaft is in sliding fit with the adapter housing, opposite ends of the connecting shaft are respectively connected to the button and the driven slider, the driven slider is in sliding contact with the unlocking driving member, and the driven slider is provided with a avoiding groove matched with the driving rack;

4. The power adapter device according to claim 1, wherein the drive rack includes a rack body and a connection plate, the connection plate being connected to the rack body and the connection female head, respectively, the rack body being in meshed connection with the drive gear; the rack body is provided with a clamping chute, the clamping mechanism is in sliding fit with the clamping chute, an included angle is formed between the extending direction of the clamping chute and the moving direction of the rack body, and the rack body is used for driving the clamping mechanism to move towards the direction close to the bearing piece in the process of connecting the male head with the female head.

5. The power adapter device of claim 4, wherein the clamping assembly comprises a clamping frame and a connecting frame which are connected, the connecting frame is provided with a driving shaft, and the driving shaft is in sliding fit with the clamping sliding groove; the bearing piece is provided with a clamping groove, the inner side of the clamping frame is provided with a clamping part matched with the clamping groove, when the male connecting head is in plug-in fit with the female connecting head, the clamping part is in clamping fit with the clamping groove, and the extending direction of the clamping groove is perpendicular to the moving direction of the driving rack;

6. The power adapter device according to claim 5, wherein the locking assembly comprises a lock plate and an elastic member, the lock plate is movably accommodated in the movable space and at least partially protrudes from an opening of the movable space, the lock plate is used for being in clamping fit with the locking groove, one side of the lock plate, which faces the connecting female head, is an abutting surface, and the abutting surface is perpendicular to the moving direction of the driving rack; wherein, the opening of the movable space is provided with a limiting part, and the limiting part is used for limiting the movement of the lock plate;

7. The power adapter device according to claim 1, wherein the adapter assembly further comprises a positioning member, the adapter housing is provided with a positioning movable cavity communicated with the accommodating cavity, the positioning member is connected to the inner wall of the positioning movable cavity and extends into the accommodating cavity at least partially, the outer wall of the male connector is provided with a positioning groove, and the positioning member is used for being in clamping fit with the positioning groove in the process of separating the male connector from the female connector.

8. The power adapter device according to claim 7, wherein the positioning member includes a positioning portion and a flexible connecting portion, one end of the connecting portion is connected to an inner wall of the positioning movable cavity, the other end of the connecting portion is connected to the positioning portion, and the positioning portion extends into the movable cavity at least partially, wherein a cross section of the positioning portion and a cross section of the positioning groove are arc-shaped.

9. The power adapter device of claim 1, wherein the self-locking drive slot comprises a first slot, a second slot, and a third slot, the second slot being in communication with the first slot and the second slot, respectively, and the first slot having a depth less than the third slot;

10. The power adapter device according to claim 9, wherein the adapter housing is provided with a self-locking movable cavity and a self-locking guide groove communicated with the self-locking movable cavity, the self-locking frame comprises a first self-locking guide shaft, a second self-locking guide shaft, a lock frame locking part and a lock frame hinging part, an included angle is formed between the lock frame locking part and the direction of the first self-locking guide shaft towards the second self-locking guide shaft, the self-locking frame is rotationally connected with the self-locking connecting frame through the lock frame hinging part, the first self-locking guide shaft and the second self-locking guide shaft are arranged at intervals, and the lock frame locking part is used for being abutted against the outer wall of the bearing piece so as to fix the bearing piece on the adapter assembly;