CN220043869U - Plug adapter - Google Patents

Abstract

The utility model discloses a plug adapter which comprises an inserting piece assembly, a circuit board, a shell and a connecting wire, wherein the shell is provided with a buckle connecting structure and a heat dissipation anti-slip structure, a positioning connecting structure is arranged between the inserting piece assembly and the shell, and the inserting piece assembly is provided with a connecting block. According to the utility model, the positioning connection structure is arranged to enable the insert assembly to be detachably connected with the shell, so that when the insert assembly is deformed or the shell is damaged, only the damaged part is required to be replaced, the whole replacement is not required, and the maintenance cost is reduced; the connecting blocks are arranged for providing a stable structure, and meanwhile, the tightness is improved; through setting up heat dissipation antiskid structure and being used for providing friction surface and heat dissipation surface, be convenient for hold and grafting operation to and provide heat radiating area when using, thereby provide radiating efficiency, guarantee the life of inner circuit board.

Description

Plug adapter

Technical Field

The utility model relates to the technical field of adapters, in particular to a plug adapter.

Background

The Power adapter (Power adapter) is a Power supply conversion device for small portable electronic equipment and electronic appliances, and generally consists of components such as a shell, a transformer, an inductor, a capacitor, a control IC, a PCB (printed circuit board) and the like, and the working principle of the Power adapter is that an alternating current input is converted into a direct current output; the connection mode can be divided into a wall-inserted type and a desktop type.

The power adapter is a power supply conversion device of small portable electronic equipment and electronic appliances, and generally consists of a shell, a power transformer and a rectifying circuit, and can be divided into an alternating current output type and a direct current output type according to the output type; the connection mode can be divided into a wall-inserted type and a desktop type. The power adapter is widely matched with a telephone mother and son machine, a game machine, a language repeater, a walkman, a notebook computer, a cellular phone and other devices, and is mainly of a wall-plug type in order to save space, the structure of the existing power adapter is simple, and when an adapter circuit board breaks down, a plugging column needs to be replaced together for maintaining a main board or replacing the main board, so that cost waste is caused. To solve the problem, the patent number: CN202221387882.8, a power adapter, the plug spring of this adapter is located on the PCB circuit board, the power plug post is located on the adapter casing, one end of the power plug post is plugged into on the plug spring. The circuit board and the plug-in column are connected in a spring piece plug-in mode, so that the structure is simple, the maintenance is convenient, and the service life of the adapter is effectively prolonged. The disassembly is convenient during maintenance and repair, the overall cost of the power adapter is reduced, and the resource waste can be effectively reduced.

But this adapter also has the following problems: 1. in order to ensure tightness, the plug-in column or the plug-in sheet of the existing adapter is usually fixed on the shell in a fixed mode, is not detachable and has no stable structure, and when the plug-in column or the plug-in sheet is subjected to external force factors, the plug-in column or the plug-in sheet can be bent to influence subsequent use, and the shell connected with the plug-in column or the plug-in sheet is required to be replaced integrally for ensuring normal use, so that the maintenance cost is high and the efficiency is low;

2. the friction coefficient of the existing adapter is improved by adopting a frosted surface, but the friction coefficient is low in the mode, slipping is easy, and the plugging operation after holding is affected;

3. the existing adapter has poor heat dissipation performance, is easy to generate heat accumulation during working, and the service life of the circuit board is influenced by long-time high-temperature environment;

4. the circuit board of current adapter is through being connected in the casing with spliced pole or grafting piece, and the steadiness of circuit board is relatively poor, and external force impact when using for a long time or carrying probably leads to the circuit board to appear not hard up with being connected between spliced pole or the grafting piece, influences subsequent electric connection, influences the use, and current mode adopts the mode of bonding fixation or screw lock to fix more, and this mode operation step is loaded down with trivial details, and long time, and long-time use probably to the condition that the primary election is not hard up, influences subsequent electric connection.

Disclosure of Invention

The utility model provides a plug adapter, which aims at overcoming the defects of the prior art and solves the problem that the whole adapter needs to be replaced when parts of the prior adapter are damaged.

The technical scheme adopted by the utility model for achieving the purpose is as follows:

the plug adapter comprises an inserting piece assembly, a circuit board, a shell and a connecting wire, wherein the shell is provided with a buckle connecting structure, the circuit board is arranged in the shell, the inserting piece assembly is arranged on the shell, and the front end of the inserting piece assembly penetrates out of the shell; a positioning connection structure is arranged between the inserting piece assembly and the shell, the inserting piece assembly is electrically connected with the circuit board, the circuit board and the connecting wire, and detachable connection is arranged between the inserting piece assembly and the circuit board; the connecting wire is provided with a connector, and the shell is also provided with a heat dissipation anti-slip structure.

The circuit board is arranged in the cavity, and the circuit board is arranged in the cavity; the buckle connection structure comprises a plurality of buckles and a plurality of buckling grooves, the buckles are respectively arranged in the concave cavities of the first shell, the buckling grooves are respectively arranged on the inner side walls of the concave cavities of the second shell, and the buckles are respectively buckled and connected with the buckling grooves.

Further improvements are made, the concave cavity of the first shell and the concave cavity of the second shell are provided with supporting blocks, and the supporting blocks are arranged at one end of the concave cavity; the support blocks are provided with a plurality of reinforcing angle blocks, and the other end of the concave cavity of the first shell is provided with a first support block; the first shell and the second shell are respectively provided with a plurality of notches, and the notches of the first shell and the notches of the second shell are in one-to-one correspondence to form positioning holes.

The inserting piece assembly comprises a connecting block and a plurality of inserting pieces; the connecting blocks are respectively provided with a plurality of protruding blocks, the protruding blocks are respectively arranged in the positioning holes, the protruding blocks are respectively provided with through holes, and the through holes penetrate through the connecting blocks; the inserted sheet all is equipped with first connecting portion, the inserted sheet inserts in the through-hole, just first connecting portion is worn out by the other end of through-hole.

The positioning connection structure comprises a plurality of positioning grooves and a plurality of positioning strips, wherein the positioning strips are respectively arranged on the inner side surfaces of the front ends of the concave cavities of the first shell and the second shell, the positioning grooves are arranged on the connecting blocks, and the positioning grooves are connected with the positioning strips in a matched mode.

The circuit board is further improved and provided with a voltage transformation component, a voltage stabilizing component and an indicator lamp; the first shell is provided with a first through hole, and the indicator lamp is arranged in the first through hole; the detachable connection comprises a plurality of mounting holes and a plurality of buckling blocks, the mounting holes are formed in the circuit board, the buckling blocks are respectively arranged at the end parts of the first connecting parts, the buckling blocks are respectively inserted into the mounting holes, and the detachable connection is fixed on the mounting holes in a soldering tin connection mode, so that the inserting pieces are electrically connected with the circuit board.

The rear end of the first shell is provided with a first notch, the connecting wire is provided with a reinforcing block, the reinforcing block is provided with a first groove, and the first groove is arranged in the first notch; the reinforcing block is provided with a reinforcing part, an arc surface is arranged at the joint of the reinforcing part and the reinforcing block, and a first arc surface is inverted at the tail end of the reinforcing part.

Further improvement is made, the outer side surfaces of the first shell and the second shell are respectively provided with a third groove; the heat dissipation anti-slip structure comprises a plurality of groups of heat dissipation texture groups and a plurality of groups of anti-slip texture groups, wherein the heat dissipation texture groups are respectively arranged in the third groove, and the anti-slip texture groups are respectively arranged on the outer surface of the first shell and the outer surface of the second shell.

Further improvement is made, the plurality of heat dissipation texture groups are formed by a plurality of texture strips, and the texture strips are all provided with inclined planes; the edge of the first shell is provided with a plurality of positioning bulges, the positioning bulges form a positioning ring block, the inner side of the edge of the second shell is provided with a positioning groove, and the positioning ring block is connected with the positioning groove in a matched mode.

The connecting block is an elastic connecting block; and a connecting plug is arranged at the end part of the connecting wire.

The utility model has the beneficial effects that: the utility model has simple structure, so that the plug-in component, the shell and the circuit board are connected in a disassembling way, thereby being convenient for subsequent maintenance and replacement; make for dismantling between inserted sheet subassembly and the shell to be connected through setting up location connection structure, make things convenient for subsequent quick counterpoint installation, improve subassembly efficiency, when deformation or shell appear appearing damaging in the inserted sheet subassembly, only need change damage part can, need not whole change, reduce maintenance cost, be used for providing stable structure through setting up the connecting block, improve the leakproofness to improve waterproof performance.

The heat dissipation anti-slip structure is arranged to improve the friction coefficient, so that the heat dissipation anti-slip structure is convenient to hold and insert.

According to the utility model, the heat dissipation texture group is arranged for providing a friction surface, so that the operation of holding is facilitated, and the inclined plane is combined for increasing the heat dissipation area, so that the heat dissipation effect in the subsequent use is facilitated, the heat dissipation efficiency is improved, and the service life of the internal circuit board is ensured.

According to the utility model, the supporting block is arranged to play a role in supporting and reinforcing, so that the strength of the first shell and the second shell is improved, the circuit board is convenient to clamp and fix, no adhesive or screw is required, and the assembly efficiency is improved.

Drawings

The utility model will be further described with reference to the drawings and the detailed description.

Fig. 1 is a schematic view of the overall structure of a plug adapter according to the present embodiment;

FIG. 2 is an enlarged schematic view of A in FIG. 1;

fig. 3 is a front view schematically showing a plug adapter of the present embodiment;

FIG. 4 is a schematic cross-sectional view A-A of FIG. 3;

fig. 5 is an exploded view of the plug adapter of the present embodiment;

fig. 6 is a schematic structural diagram of the second housing of the present embodiment.

Detailed Description

The following description is of the preferred embodiments of the utility model, and is not intended to limit the scope of the utility model.

Referring to fig. 1-6, a plug adapter 1 includes an insert assembly 2, a circuit board 3, a housing 4 and a connecting wire 5, the housing 4 is provided with a buckle connection structure 6, the circuit board 3 is disposed in the housing 4, the insert assembly 2 is disposed on the housing 4, the front end of the insert assembly 2 penetrates out of the housing 4, a positioning connection structure 7 is disposed between the insert assembly 2 and the housing 4, the insert assembly 2 and the circuit board 3, the circuit board 3 and the connecting wire 5 are electrically connected, a detachable connection 8 is disposed between the insert assembly 2 and the circuit board 3, the connecting wire 5 is provided with a connector, and the housing 4 is further provided with a heat dissipation anti-slip structure 9.

The housing 4 comprises a first shell 40 and a second shell 41, the first shell 40 and the second shell 41 are respectively provided with a concave cavity, the two concave cavities form a cavity 42, and the circuit board 3 is arranged in the cavity 42; the buckle connection structure 6 includes a plurality of buckles 60 and a plurality of buckle grooves 61, the buckles 60 are respectively disposed in the concave cavity of the first housing 40, the buckle grooves 61 are respectively disposed on the inner side wall of the concave cavity of the second housing 41, and the buckles 60 and the buckle grooves 61 are respectively disposed on the inner side wall of the concave cavity of the second housing 41The buckling grooves 61 are respectively buckled and connected, the buckling connection structure 6 enables the first shell 40 and the second shell 41 to be detachably connected, rapid assembly and disassembly are facilitated, maintenance and replacement of the internal inserting piece assembly 2, the circuit board 3 or the connecting wire 5 are facilitated, steps and time are saved, and maintenance efficiency is improved.

The concave cavities of the first shell 40 and the concave cavities of the second shell 41 are respectively provided with a supporting block 43, the supporting blocks 43 are respectively arranged at one end of the concave cavities, the supporting blocks 43 are respectively provided with a plurality of reinforcing corner blocks 44, the supporting blocks 43 play a role in supporting and reinforcing, the strength of the first shell 40 and the second shell 41 is improved, and meanwhile, the circuit board 3 is convenient to clamp, so that the arrangement of screws for fixing the circuit board 3 is reduced, and the assembly efficiency is improved; the other end of the concave cavity of the first housing 40 is provided with a first supporting block 43, the first housing 40 and the second housing 41 are provided with a plurality of notches, the notches of the first housing 40 and the notches of the second housing 41 are in one-to-one correspondence to form positioning holes, and the number of the notches can be two or three according to requirements.

The inserting piece assembly 2 comprises a connecting block 20 and a plurality of inserting pieces 21, wherein the connecting block 20 is provided with a plurality of protruding blocks 22, the protruding blocks 22 are respectively arranged in the positioning holes, and the connecting block 20 plays roles of positioning and sealing protection, so that the assembling is convenient; the bumps 22 are provided with through holes, and the through holes penetrate through the connecting blocks 20; the inserting pieces 21 are respectively provided with a first connecting portion 210, the inserting pieces 21 are inserted into the through holes, the first connecting portions 210 penetrate out of the other ends of the through holes, the first connecting portions 210 are formed by two first buckling and hooking structures, the inserting pieces 21 of the inserting piece assembly 2 are metal inserting pieces, the number of the protruding blocks 22 and the number of the inserting pieces 21 can be two or three according to requirements, and the inserting piece assembly 2 is used for forming electric connection with external power supply equipment.

The positioning connection structure 7 comprises a plurality of positioning grooves 70 and a plurality of positioning strips 71, the positioning strips 71 are respectively arranged on the inner side surfaces of the front ends of the concave cavities of the first shell 40 and the second shell 41, the positioning grooves 70 are arranged on the connecting block 20, the positioning grooves 70 are matched with the positioning strips 71 to be connected, the positioning connection structure 7 is convenient for quick alignment and installation between the inserting sheet assembly 2 and the shell 4, the assembly efficiency is improved, when the inserting sheet assembly deforms or the shell is damaged, only the damaged part is required to be replaced, the whole replacement is not required, the maintenance cost is reduced, the installation position of the inserting sheet assembly 2 is ensured, and the situation that the inserting sheet assembly 2 is shifted when being used for a long time is prevented.

The circuit board 3 is provided with a voltage transformation component 30, a voltage stabilizing component 31 and an indicator lamp 32, and the circuit board 3 is used for performing a voltage transformation adaptation function; the first housing 40 is provided with a first through hole, the indicator light 32 is arranged in the first through hole, and the indicator light 32 is used for playing a role of indication and prompt, so that the working state of the plug adapter 1 is conveniently known; the detachable connection 8 comprises a plurality of mounting holes 80 and a plurality of buckling blocks 81, the mounting holes 80 are arranged on the circuit board 3, the buckling blocks 81 are respectively arranged at the end parts of the first connecting parts, the buckling blocks 81 are respectively inserted into the mounting holes 80 and are fixed on the mounting holes 80 in a soldering tin connection mode, so that the inserting pieces are electrically connected with the circuit board 3, the detachable connection 8 enables the circuit board 3 and the inserting piece assembly 2 to be connected in a split mode, when the circuit board 3 or the inserting piece assembly 2 breaks down, only the broken part is needed to be replaced, the whole replacement is not needed, the maintenance cost is saved, the detachable connection 8 is convenient to position and stabilize, and the connection stability of the circuit board 3 and the inserting piece assembly 2 is ensured.

The rear end of first casing 40 is equipped with first notch 400, connecting wire 5 is equipped with boss 50, boss 50 is equipped with first recess 500, first recess 500 sets up in the first notch 400, quick counterpoint when first recess 500 is convenient for install improves packaging efficiency, boss 50 is equipped with reinforcing part 500, reinforcing part 500 is equipped with arc surface 501 with boss 50's junction, the tail end of reinforcing part 500 has first arc surface 502 of falling, boss 50 is with improving the intensity of junction between connecting wire 5 and the shell 4 to prevent connecting wire 5 because of the circumstances that bending leads to the fracture many times, play direction and anti-stress's effect through setting up arc surface 501 and first arc surface 502, thereby better protection connecting wire 5 and extension connecting wire 5's life.

The outer side surfaces of the first shell 40 and the second shell 41 are respectively provided with a third groove 44, the interiors of the first shell 40 and the second shell 41 can be provided with heat-conducting silica gel sheets according to requirements, and the heat-conducting silica gel sheets are arranged at the bottoms of the third grooves 44; the heat dissipation anti-slip structure 9 includes a plurality of groups of heat dissipation texture groups 90 and a plurality of groups of anti-slip texture groups 91, the heat dissipation texture groups 90 are respectively arranged in the third groove 44, the anti-slip texture groups 91 are respectively arranged on the outer surface of the first shell 40 and the outer surface of the second shell 41, and the heat dissipation anti-slip structure 9 is convenient to hold and provides a heat dissipation surface, so that the heat dissipation efficiency is improved, and the service life of the plug adapter 1 is prolonged.

The heat dissipation texture groups 90 are formed by multiple groups of strip tidying bars 900, the strip tidying bars 900 are provided with inclined planes 901, the heat dissipation texture groups 90 are used for providing friction surfaces, so that the heat dissipation area is increased by arranging the inclined planes 901 while the holding operation is facilitated, the heat dissipation effect during subsequent use is facilitated, the heat dissipation efficiency is improved, and the service life of the internal circuit board 3 is ensured; the edge of the first shell 40 is provided with a plurality of positioning protrusions 45, the positioning protrusions 45 form a positioning ring block, the inner side of the edge of the second shell 41 is provided with a positioning groove 46, the positioning ring block is connected with the positioning groove 46 in a matched mode, a sealant or a sealing ring can be arranged between the positioning ring block and the positioning groove 46 according to requirements, and the sealant and the sealing ring are used for improving sealing performance between the first shell 40 and the second shell 41

The connection block 20 is an elastic connection block 20, and the elastic connection block 20 is adopted to provide elasticity, so that tightness is ensured; the end of the connecting wire 5 is provided with a connecting plug 50, and the connecting plug 50 is used for connecting external equipment.

The positioning connection structure is arranged to enable the inserting piece assembly to be detachably connected with the shell, so that subsequent rapid alignment and installation are facilitated, assembly efficiency is improved, when the inserting piece assembly is deformed or the shell is damaged, only the damaged part is needed to be replaced, integral replacement is not needed, maintenance cost is reduced, and the sealing performance is improved while the connecting block is arranged to provide a stable structure, so that waterproof performance is improved; the heat dissipation anti-slip structure is arranged to improve the friction coefficient, so that the operation of holding and inserting is facilitated; the heat dissipation texture group is used for providing a friction surface, so that the operation of holding is facilitated, and the inclined plane is combined for increasing the heat dissipation area, so that the heat dissipation effect in the subsequent use is facilitated, the heat dissipation efficiency is improved, and the service life of the internal circuit board is ensured; the supporting block is arranged to play a role in supporting and reinforcing, so that the strength of the first shell and the second shell is improved, the circuit board is clamped and fixed conveniently, viscose or screws are not required, and the assembly efficiency is improved.

The present utility model is not limited to the above embodiments, and other plug adapters obtained by using the same or similar structures or devices as the above embodiments of the present utility model are within the scope of the present utility model.

Claims (10)

1. The utility model provides a plug adapter, its includes inserted sheet subassembly, circuit board, shell and connecting wire, its characterized in that: the shell is provided with a buckle connection structure, the circuit board is arranged in the shell, the inserting piece assembly is arranged on the shell, and the front end of the inserting piece assembly penetrates out of the shell; a positioning connection structure is arranged between the inserting piece assembly and the shell, the inserting piece assembly is electrically connected with the circuit board, the circuit board and the connecting wire, and detachable connection is arranged between the inserting piece assembly and the circuit board; the connecting wire is provided with a connector, and the shell is also provided with a heat dissipation anti-slip structure.

2. The plug adapter of claim 1, wherein: the shell comprises a first shell and a second shell, the first shell and the second shell are both provided with concave cavities, the two concave cavities form a cavity, and the circuit board is arranged in the cavity; the buckle connection structure comprises a plurality of buckles and a plurality of buckling grooves, the buckles are respectively arranged in the concave cavities of the first shell, the buckling grooves are respectively arranged on the inner side walls of the concave cavities of the second shell, and the buckles are respectively buckled and connected with the buckling grooves.

3. The plug adapter of claim 2, wherein: the concave cavities of the first shell and the second shell are respectively provided with a supporting block, and the supporting blocks are respectively arranged at one end of the concave cavity; the support blocks are provided with a plurality of reinforcing angle blocks, and the other end of the concave cavity of the first shell is provided with a first support block; the first shell and the second shell are respectively provided with a plurality of notches, and the notches of the first shell and the notches of the second shell are in one-to-one correspondence to form positioning holes.

4. A plug adapter according to claim 3, wherein: the inserting piece assembly comprises a connecting block and a plurality of inserting pieces; the connecting block all is equipped with a plurality of lugs, the lug sets up respectively in the locating hole, the lug all is equipped with the through-hole, the through-hole all runs through the connecting block, the inserted sheet all is equipped with first connecting portion, the inserted sheet inserts in the through-hole, just first connecting portion by the other end of through-hole wears out.

5. The plug adapter of claim 4, wherein: the positioning connection structure comprises a plurality of positioning grooves and a plurality of positioning strips, wherein the positioning strips are respectively arranged on the inner side surfaces of the front ends of the concave cavities of the first shell and the second shell, the positioning grooves are arranged on the connecting block, and the positioning grooves are connected with the positioning strips in a matched mode.

6. The plug adapter of claim 5, wherein: the circuit board is provided with a voltage transformation component, a voltage stabilizing component and an indicator lamp; the first shell is provided with a first through hole, and the indicator lamp is arranged in the first through hole; the detachable connection comprises a plurality of mounting holes and a plurality of buckling blocks, the mounting holes are formed in the circuit board, the buckling blocks are respectively arranged at the end parts of the first connecting parts, the buckling blocks are respectively inserted into the mounting holes, and the detachable connection is fixed on the mounting holes in a soldering tin connection mode, so that the inserting pieces are electrically connected with the circuit board.

7. A plug adapter according to claim 3, wherein: the rear end of the first shell is provided with a first notch, the connecting wire is provided with a reinforcing block, the reinforcing block is provided with a first groove, and the first groove is arranged in the first notch; the reinforcing block is provided with a reinforcing part, an arc surface is arranged at the joint of the reinforcing part and the reinforcing block, and a first arc surface is inverted at the tail end of the reinforcing part.

8. The plug adapter of claim 7, wherein: the outer side surfaces of the first shell and the second shell are respectively provided with a third groove; the heat dissipation anti-slip structure comprises a plurality of groups of heat dissipation texture groups and a plurality of groups of anti-slip texture groups, wherein the heat dissipation texture groups are respectively arranged in the third groove, and the anti-slip texture groups are respectively arranged on the outer surface of the first shell and the outer surface of the second shell.

9. The plug adapter of claim 8, wherein: the plurality of heat dissipation texture groups are formed by a plurality of texture strips, and the texture strips are all provided with inclined planes; the edge of the first shell is provided with a plurality of positioning bulges, the positioning bulges form a positioning ring block, the inner side of the edge of the second shell is provided with a positioning groove, and the positioning ring block is connected with the positioning groove in a matched mode.

10. The plug adapter of claim 4, wherein: the connecting block is an elastic connecting block; and a connecting plug is arranged at the end part of the connecting wire.