CN219893168U - Locking type power adapter - Google Patents

Abstract

The utility model discloses a locking type power adapter which comprises a power adapter shell for supporting, wherein a limiting cover plate for limiting is fixedly arranged at the center of the rear end face of the power adapter shell. According to the utility model, the power adapter shell and the limiting device are arranged, when the positioning plug and the limiting cover plate are subjected to butt joint limiting and detachment, the connecting inserting pieces can pass through the limiting of the fixing clamping groove and the limiting clamping block, so that three groups of limiting clamping blocks can be circularly limited to the inside of the fixing clamping groove, the connecting inserting pieces inserted into the inside of the limiting cover plate are stably locked and limited, the stability of locking the positioning plug is improved, meanwhile, a user can press the supporting guide seat, so that the supporting guide seat can guide the positioning plug plate and the limiting guide plate through the positioning inserting plate, the limiting of the limiting clamping block to the fixing clamping groove is released, the positioning plug is conveniently guided out by a subsequent user, and the convenience of detachment of the positioning plug and the limiting cover plate is improved.

Description

Locking type power adapter

Technical Field

The utility model relates to the technical field of power adapter equipment, in particular to a locking type power adapter.

Background

The power adapter is also called an external power supply, is a power supply voltage conversion device of small portable electronic equipment and electronic appliances, and is commonly used on small electronic products such as mobile phones, liquid crystal displays, notebook computers and the like.

The existing power adapter mostly comprises a plug and an adapter body, when the existing power adapter is used, the plug and the adapter body are in a movable separation state, so that the plug is easy to separate from the adapter body after limiting, and further the follow-up charging is affected due to the fact that the plug is easy to separate from the adapter body after limiting is completed, and therefore the locking type power adapter is urgently needed to solve the existing problems.

Disclosure of Invention

The present utility model is directed to a locking type power adapter, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the locking type power adapter comprises a power adapter shell for supporting, a limiting cover plate for limiting is fixedly arranged at the center of the rear end face of the power adapter shell, three groups of limiting devices for positioning are symmetrically arranged on the inner end face of the power adapter shell, a guiding device is arranged at the position, close to the middle, of the inner end face of the power adapter shell, a positioning plug is fixedly clamped on the front end face of the power adapter shell through the limiting devices,

the positioning plug comprises a connecting guide seat for supporting, two groups of connecting inserting sheets are arranged on the front end face of the connecting guide seat, three groups of fixing clamping grooves are uniformly and equidistantly formed in the side end faces of the connecting inserting sheets, and three groups of fixing clamping grooves face the connecting guide seat, and limiting chamfer angles are formed in the directions of the fixing clamping grooves.

Preferably, the guiding device comprises a guiding sliding shaft, a supporting guide seat, a spring clamping shaft and a positioning plugboard, wherein the guiding sliding shaft is fixedly arranged at the center of the lower end face of the supporting guide seat, the spring clamping shafts used for limiting are arranged at four corners of the lower end face of the supporting guide seat, and the positioning plugboard is fixedly arranged at the center of the lower end face of the guiding sliding shaft.

Preferably, the limiting device comprises a spring clamping seat for connection, a limiting clamping block is fixedly arranged at the center of the front end face of the spring clamping seat, and limiting guide plates are symmetrically arranged on the side end faces of the spring clamping seat by taking the limiting clamping block as a center.

Preferably, the inside of spacing fixture block has offered the fillet, spacing fixture block passes through fixed draw-in groove with connect the inserted sheet and fix the joint, just the orientation of spacing fixture block fillet with spacing chamfer orientation is the same, and spacing fixture block and spacing chamfer orientation are the same, and the convenience is located the slip that the inserted sheet can pass through spacing fixture block and spacing chamfer is spacing in connection of front portion, and the endless grafting is inside the fixed draw-in groove of difference department.

Preferably, the locating plugboard is in an inverted triangle shape, the side edges of the locating plugboard positioned on the upper portion and the lower portion are elastically attached and connected with the inside of the limiting guide plate, the space between the two groups of limiting guide plates can be gradually increased by the locating plugboard in the triangle shape, and the follow-up limiting clamping block and the fixing clamping groove can be conveniently separated.

Preferably, when the vertical edge of the positioning plugboard is stuck to the inside of the limiting guide plate, the limiting clamping block is completely separated from the connecting inserting piece, and when the side part of the positioning plugboard is limited to the inside of the limiting guide plate, the limiting guide plate can drive the limiting clamping block to move outwards, so that the limiting clamping block is led out from the inside of the fixing clamping groove, and the subsequent splitting is facilitated.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the power adapter shell and the limiting device are arranged, when the positioning plug and the limiting cover plate are subjected to butt joint limiting and detachment, the connecting inserting pieces can pass through the limiting of the fixing clamping groove and the limiting clamping block, so that three groups of limiting clamping blocks can be circularly limited to the inside of the fixing clamping groove, the connecting inserting pieces inserted into the inside of the limiting cover plate are stably locked and limited, the stability of locking the positioning plug is improved, meanwhile, a user can press the supporting guide seat, so that the supporting guide seat can guide the positioning plug plate and the limiting guide plate through the positioning inserting plate, the limiting of the limiting clamping block to the fixing clamping groove is released, the positioning plug is conveniently guided out by a subsequent user, and the convenience of detachment of the positioning plug and the limiting cover plate is improved.

Drawings

FIG. 1 is a main body split view of the present utility model;

FIG. 2 is a schematic diagram of the main structure of the present utility model;

FIG. 3 is a schematic view of a positioning plug according to the present utility model;

FIG. 4 is a schematic view of a guide structure according to the present utility model;

fig. 5 is a schematic structural view of a limiting device according to the present utility model.

In the figure: 1-positioning plug, 2-guiding device, 3-power adapter casing, 4-spacing apron, 5-limiting device, 11-connection inserted sheet, 12-connection guide, 13-spacing chamfer, 14-fixed draw-in groove, 21-direction slide shaft, 22-support guide, 23-spring clamping shaft, 24-positioning picture peg, 51-spacing fixture block, 52-spring clamping seat, 53-spacing baffle.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an embodiment of the present utility model is provided: the locking type power adapter comprises a power adapter shell 3 for supporting, a limiting cover plate 4 for limiting is fixedly arranged at the center of the rear end face of the power adapter shell 3, three groups of limiting devices 5 for positioning are symmetrically arranged on the inner end face of the power adapter shell 3, a guiding device 2 is arranged at the position, close to the middle, of the inner end face of the power adapter shell 3, a positioning plug 1 is fixedly clamped on the front end face of the power adapter shell 3 through the limiting devices 5,

the positioning plug 1 comprises a connecting guide seat 12 for supporting, two groups of connecting inserting sheets 11 are arranged on the front end face of the connecting guide seat 12, three groups of fixing clamping grooves 14 are uniformly and equidistantly formed in the side end faces of the connecting inserting sheets 11, and limiting chamfer angles 13 are formed in the three groups of fixing clamping grooves 14 towards the direction of the connecting guide seat 12.

The guiding device 2 comprises a guiding sliding shaft 21, a supporting guide seat 22, a spring clamping shaft 23 and a positioning plugboard 24, wherein the guiding sliding shaft 21 is fixedly installed at the center of the lower end face of the supporting guide seat 22, the spring clamping shafts 23 used for limiting are arranged at four corners of the lower end face of the supporting guide seat 22, and the positioning plugboard 24 is fixedly installed at the center of the lower end face of the guiding sliding shaft 21.

The limiting device 5 comprises a spring clamping seat 52 for connection, a limiting clamping block 51 is fixedly arranged at the center of the front end face of the spring clamping seat 52, and limiting guide plates 53 are symmetrically arranged on the side end face of the spring clamping seat 52 by taking the limiting clamping block 51 as the center.

The inside of spacing fixture block 51 has offered the fillet, and spacing fixture block 51 carries out fixed joint through fixed draw-in groove 14 and connection inserted sheet 11, and the orientation of spacing fixture block 51 fillet is the same with spacing chamfer 13 orientation, and spacing fixture block 51 and spacing chamfer 13 orientation are the same, and the connection inserted sheet 11 that conveniently is located the front portion can be spacing through the slip of spacing fixture block 51 and spacing chamfer 13, and inside the fixed draw-in groove 14 of endless grafting to the difference.

The locating plugboard 24 is arranged in an inverted triangle, the side edges of the locating plugboard 24 positioned at the upper part and the lower part are elastically attached and connected with the inside of the limiting guide plate 53, and the locating plugboard 24 arranged in the triangle can gradually enlarge the interval between the two groups of limiting guide plates 53, so that the follow-up limiting clamping block 51 is conveniently separated from the fixing clamping groove 14.

When the vertical edge of the positioning plugboard 24 is attached to the inside of the limiting guide plate 53, the limiting clamping block 51 is completely separated from the connecting inserting piece 11, and when the side part of the positioning plugboard 24 is limited to the inside of the limiting guide plate 53, the limiting guide plate 53 can drive the limiting clamping block 51 to move outwards, and then the limiting clamping block is guided out from the inside of the fixing clamping groove 14, so that the subsequent splitting is facilitated.

Working principle: when the plug is used, if the plug is required to be plugged and limited by the positioning plug 1 and the power adapter shell 3, at this moment, a user can hold the connection guide seat 12 to plug the connection plug 11 into the power adapter shell 3, when the connection plug 11 is displaced into the power adapter shell 3, at this moment, the connection plug 11 is firstly contacted with the outer part of the limiting fixture block 51, the round angle outside the limiting fixture block 51 can enable the limiting fixture block 51 to be elastically attached to the outer side of the connection plug 11, along with the insertion of the connection plug 11, at this moment, the limiting fixture block 51 can be directly inserted into the inside of the fixed fixture groove 14 under the action of the elastic force of the spring clamping seat 52, and because the fixed fixture groove 14 is externally provided with the limiting chamfer 13, three groups of limiting fixture blocks 51 can be circularly displaced outside the connection plug 11 until the three groups of limiting fixture blocks 51 are completely inserted into the fixed fixture groove 14, at this moment, the plane at the rear part of the limiting fixture block 51 is completely locked with the inner plane of the fixed fixture groove 14, the locking is completed, the locking is required to be separated, at this moment, the user can press the supporting guide seat 22, the supporting guide seat 22 can drive the two groups of positioning guide blocks 24 to move downwards under the action of the elastic force of the connection plug 11, the two groups of the positioning guide plates 24 can enable the two groups of guide plates to be conveniently pushed to be led out to the limiting fixture blocks 53 to the side part to be conveniently connected to the plug 11.

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

Claims (6)

1. The utility model provides a locking-type power adapter, is including being used for the power adapter casing (3) of support, the rear end face center department fixed mounting of power adapter casing (3) has spacing apron (4) that are used for spacing, its characterized in that: three groups of limiting devices (5) for positioning are symmetrically arranged on the inner end face of the power adapter shell (3), a guiding device (2) is arranged at the position, close to the middle, of the inner end face of the power adapter shell (3), a positioning plug (1) is fixedly clamped on the front end face of the power adapter shell (3) through the limiting devices (5),

the positioning plug (1) comprises a connecting guide seat (12) for supporting, two groups of connecting inserting sheets (11) are arranged on the front end face of the connecting guide seat (12), three groups of fixing clamping grooves (14) are uniformly and equidistantly formed in the side end faces of the connecting inserting sheets (11), and three groups of fixing clamping grooves (14) face the connecting guide seat (12) and are provided with limiting chamfer angles (13).

2. The locking power adapter of claim 1, wherein: the guiding device (2) comprises a guiding sliding shaft (21), a supporting guide seat (22), a spring clamping shaft (23) and a positioning inserting plate (24), wherein the guiding sliding shaft (21) is fixedly installed at the center of the lower end face of the supporting guide seat (22), the spring clamping shafts (23) used for limiting are arranged at four corners of the lower end face of the supporting guide seat (22), and the positioning inserting plate (24) is fixedly installed at the center of the lower end face of the guiding sliding shaft (21).

3. The locking power adapter of claim 2, wherein: the limiting device (5) comprises a spring clamping seat (52) for connection, a limiting clamping block (51) is fixedly arranged at the center of the front end face of the spring clamping seat (52), and limiting guide plates (53) are symmetrically arranged on the side end faces of the spring clamping seat (52) by taking the limiting clamping block (51) as the center.

4. A locking power adapter as set forth in claim 3 wherein: the inside of spacing fixture block (51) has offered the fillet, spacing fixture block (51) pass through fixed draw-in groove (14) with connect inserted sheet (11) and carry out fixed joint, just the orientation of spacing fixture block (51) fillet with spacing chamfer (13) orientation is the same.

5. A locking power adapter as set forth in claim 3 wherein: the positioning plugboard (24) is arranged in an inverted triangle shape, and the side edges of the positioning plugboard (24) positioned at the upper part and the lower part are elastically attached and connected with the inside of the limit guide plate (53).

6. The locking power adapter of claim 5, wherein: when the vertical edge of the positioning plugboard (24) is internally attached to the limiting guide plate (53), the limiting clamping block (51) is completely separated from the connecting inserting piece (11).