CN220456839U - Wall hidden type power adapter - Google Patents

Abstract

The utility model relates to a wall hidden type power supply adapter which comprises a base with an opening at only one side, wherein the base is provided with a control board, a transformer is connected to the control board, the transformer is arranged between the control board and the base, an input wire and an output wire through hole are arranged on the base, the input wire is electrically connected with the control board through the through hole and reduces voltage and is output by the output wire, the power supply adapter further comprises an upper cover, the upper cover is arranged between the control board and the base, a face shell is further arranged at the opening of the base, and the upper cover and the face shell are detachably connected with the base in a fastening mode. Through arranging control panel and transformer in the base, the upper cover is fixed it, later wholly fixes the base in the wall, and the face-piece carries out the block fixedly to the base, set up on the base with live wire and zero line access interface, input after voltage reduction under the effect of transformer and control panel, whole power adapter is arranged in the wall, and only the face-piece is on the wall, makes the wall more pleasing to the eye, and has avoided modes such as external row to insert the line extension.

Description

Wall hidden type power adapter

Technical Field

The utility model relates to the field of power adapters, in particular to a wall hidden type power adapter.

Background

In modern daily life, people cannot be powered on, and various electric appliances, electronic products and the like are required to be charged or powered. The mode such as socket is often used to the electronic product after the inside of family inserts commercial power, and it often inserts 220V's commercial power and directly is applied to electrical apparatus or electronic equipment, has the electric shock potential safety hazard when using, and the too big voltage also can produce the influence to electronic product class equipment. Meanwhile, due to the fixation of wiring, when the distance of the wiring is long, a socket and other external extension circuits are often used, and although the extension of the circuit can be realized, the wiring is often placed on the ground or hung, so that the wiring has great potential safety hazard and is not attractive. Therefore, the adapter arranged in the wall body is often adopted to reduce the voltage of the mains supply, and meanwhile, the extension of the circuit is also facilitated. The existing adapters are required to protrude out of the wall body or the lines are not fixed, and the existing adapters are fixed and locked by screws, so that later maintenance is troublesome.

Chinese patent publication No. CN212323340U discloses a power taking plug, a power supply guide rail and a power supply connection structure, and relates to the technical field of building wiring. An electricity taking plug, a power supply guide rail and a power supply connection structure, comprising: the power taking plug comprises a power taking plug body, a locking assembly and a power taking electrode head, wherein the locking assembly and the power taking electrode head are fixed on the power taking plug body, and the locking assembly is used for fixing the power taking plug on a power supply guide rail after the power taking electrode head is inserted into the power supply guide rail; the whole cross section of the locking component is of an L-shaped structure, and after the power taking electrode head is inserted into the power supply guide rail, the bottom surface of the L-shaped structure is tightly buckled on the outer surface of the power supply guide rail. The utility model realizes convenient insertion and replacement between the guide rail and the plug, simplifies wiring difficulty and meets the requirement of quick wiring. The power adapter realizes the extension of the power line, but is arranged on the wall surface, thereby affecting the beauty and occupying the wall surface.

Chinese patent publication No. CN209692586U provides a housing of a power converter and a power converter. The shell of the power converter comprises a heat dissipation shell and a cover plate, wherein the heat dissipation shell comprises a shielding boss, a bottom wall and a peripheral side wall connected to the periphery of the bottom wall, the bottom wall and the peripheral side wall are jointly enclosed to form a containing groove, and the shielding boss is contained in the containing groove; the cover plate comprises a shielding bulge, a bottom edge and a peripheral side edge connected to the periphery of the bottom edge, wherein the bottom edge and the peripheral side edge are jointly enclosed to form a containing groove, and the shielding bulge is contained in the containing groove; the cover plate is arranged on the heat dissipation shell, the shielding protrusion is contacted with the shielding boss to form a shielding wall, and the shielding wall is used for shielding electromagnetic interference. The utility model solves the problems of time consumption and complex process caused by the additional arrangement and reassembly of the shielding structure in the power converter. The wall power converter is hidden on a wall body, but the connection ports are easy to connect and loose, so that poor contact occurs.

Disclosure of Invention

The utility model aims to solve the technical problems that the existing power adapter cannot be hidden in a wall body, and has attractive use effect; and the interface of the input line and the output line of the power adapter is not fixed, which is easy to cause poor contact or inconvenient maintenance in the later period. Aiming at the defects in the prior art, the wall hidden type power adapter is provided.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a construct hidden power adapter of wall body, wherein, including only one side open-ended base, the base is provided with the control panel, set up on the control panel and be connected with the transformer, the transformer sets up between control panel and base, be provided with input line and output line through-hole on the base, the input line is connected and reduced voltage and is exported by the output line through-hole and control panel electricity, this power adapter still includes the upper cover, the upper cover sets up between control panel and base, base opening part still is provided with the face-piece, upper cover and face-piece can dismantle with the base buckle and be connected.

Preferably, four wire locking pieces are fixed in the base, every two wire locking pieces form a group, two groups of input wires corresponding to the live wire and the zero wire and two output wires are electrically connected with the control board through the wire locking pieces, and the output wires are electrically connected with the control board through the wire locking pieces.

Preferably, the wire locking piece comprises a wire fixing seat and a wire conducting end which is integrally formed with the wire fixing seat, the wire conducting end is electrically connected with the control board to conduct an input wire and an output wire, a wire jack is arranged on the wire fixing seat, a first through hole is formed in the bottom shell corresponding to the wire jack, the input wire and/or the output wire enters the wire jack through the first jack to conduct with the wire conducting end, and a locking screw for fixing the input wire and/or the output wire is further arranged in the wire fixing seat.

Preferably, the wire fixing seat is provided with a screw jack, the locking screw penetrates through the screw jack to lock the input wire and/or the output wire, the base is provided with a second jack corresponding to the screw jack, and the locking screw is provided with a clamping part with the radius larger than that of the second jack.

Preferably, the end part of the locking screw inserted into the screw jack is provided with a conical end, the input wire and/or the output wire is locked after being connected with the conducting end of the wire through the conical end, and the conducting end of the wire penetrates through the control board to enter the other side of the control board to be electrically connected and fixed with the control board.

Preferably, a plurality of buckling pieces are arranged on the base, a plurality of corresponding buckling pieces are correspondingly arranged on the upper cover and the face shell, and the upper cover and the base, the base and the face shell are fixed through the buckling of the buckling pieces.

Preferably, the upper cover is provided with the second fastener, corresponds the second fastener on the base and is provided with the fourth fastener, corresponds the bayonet socket that is provided with slip inclined plane and mutual chucking on second fastener and the fourth fastener, is provided with first fastener on the face-piece, corresponds first fastener on the base and is provided with the third fastener, corresponds on first fastener and the third fastener and is provided with the slip inclined plane, and the lower extreme on the slip inclined plane of first fastener is provided with locking plane, and the lower extreme of third fastener slides into locking plane lower extreme and connects first fastener and third fastener and locks.

Preferably, a plurality of shockproof cottons are arranged on the periphery of the inner wall of the face shell, an inner notch is arranged in the face shell, a radiating fin and the shock-absorbing cottons are arranged on the inner notch, a notch is arranged on the side face of the face shell, and a bump is arranged on the base corresponding to the notch.

Preferably, the control panel is close to transformer one side and is provided with the fin, the fin is L shape, the control panel both sides are provided with the arc notch, correspond the arc notch in the base and be provided with the spacing post of control panel, be provided with a plurality of spacing mouths on the control panel, it is provided with a plurality of control panel fixed columns to correspond spacing mouthful on the base, still be provided with a plurality of control panel support columns in the base, the height that highly is less than the control panel fixed column of control panel support column, it is the same to correspond the control panel fixed station in the base, and control panel fixed station and control panel support column height are the same, and the control panel fixed station next door is provided with the degree of depth and is greater than the transformer accommodation chamber of control panel fixed station, this accommodation intracavity is arranged in to transformer and fin.

Preferably, the control panel spacing post is provided with the locking hole of indent to and pass the counter bore of base, the fixed screw passes the counter bore and fixes the base on the wall, and in the locking hole was arranged in to the nut end of its fixed screw, the base side was provided with a plurality of heat dissipation square grooves, and the upper cover corresponds the control panel spacing post and is provided with the arc notch, is provided with the screw thread post through the screw fixation with the control panel on the upper cover, and the screw thread post side is provided with a plurality of spacing, and the upper cover is close to control panel one side, the base outside all is provided with a plurality of horizontal ribs and/or vertical ribs, and horizontal rib and vertical rib crossing distribution set up.

The utility model has the beneficial effects that: through arranging control panel and transformer in the base, the upper cover is fixed it, later wholly fixes the base in the wall, and the face-piece carries out the block fixedly to the base, set up on the base with live wire and zero line access interface, input after voltage reduction under the effect of transformer and control panel, whole power adapter is arranged in the wall, and only the face-piece is on the wall, makes the wall more pleasing to the eye, and has avoided modes such as external row to insert the line extension.

Set up the spacing post of control panel and control panel on the base and carry out spacingly to control panel and upper cover, the control panel fixed column is fixed the control panel, and control panel support column, transformer, fin and control panel fixed station support the control panel, have made things convenient for the installation of control panel, and the fin has also improved the radiating effect of control panel. The control panel spacing post sets up counter bore and locking hole, has made things convenient for the fixed screw to the fixed of base, and the nut of fixed screw is in the locking hole.

The upper cover, the surface shell and the bottom shell paper piece are connected by adopting a buckle, so that the upper cover, the surface shell and the bottom shell paper piece are more convenient to clamp and detach. The base sets up a plurality of heat dissipation notches and has further promoted the radiating effect of adapter. The wire locking piece is used for fixing the input wire and the output wire, so that the input wire and the output wire are convenient to maintain, the wire locking end penetrates through the control board, and the phenomenon that the connection is loose due to shaking is avoided, so that poor contact is caused, the conductivity of the product is more stable, and the maintenance is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be further described with reference to the accompanying drawings and embodiments, in which the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained by those skilled in the art without inventive effort:

FIG. 1 is a schematic perspective view of a power adapter according to a preferred embodiment of the utility model;

FIG. 2 is an exploded view of a power adapter according to a preferred embodiment of the present utility model;

FIG. 3 is a schematic diagram showing an axial structure of a face housing of a power adapter according to a preferred embodiment of the present utility model;

FIG. 4 is an enlarged schematic view of the power adapter of FIG. 3 according to the preferred embodiment of the present utility model;

FIG. 5 is a schematic diagram showing an axial structure of an upper cover of a power adapter according to a preferred embodiment of the utility model;

FIG. 6 is a schematic view showing the upper structure of the base of the power adapter according to the preferred embodiment of the utility model;

FIG. 7 is a rear isometric view of a base of a power adapter according to a preferred embodiment of the present utility model;

FIG. 8 is a schematic diagram showing an axial structure of a control board of the power adapter according to the preferred embodiment of the utility model;

FIG. 9 is a schematic axial side view of a wire locking member of a power adapter according to a preferred embodiment of the present utility model;

fig. 10 is a diagram showing a structure of the releasing and locking of the wire locking member of the power adapter according to the preferred embodiment of the present utility model.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the following description will be made in detail with reference to the technical solutions in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

The utility model relates to a wall hidden power adapter in a preferred embodiment; as shown in fig. 1-2, the device comprises a base 3, an opening is formed above the base 3, a control board 5 is arranged in the base, a transformer 4 is fixedly arranged on the control board, and the transformer is arranged between the control board and the base. The control board is also fixedly connected with a plurality of wire locking pieces 6, the wire locking pieces are fixed on the base and are electrically connected with the control board, the live wire and the zero wire of the power supply are fixed on the base through one group of wire locking pieces 6, the voltage is reduced through the control board and the transformer, and then the voltage is output through the other group of wire locking pieces. The base 3 is also provided with an upper cover 2 for fixing the control panel and a face shell 1 for sealing the base, and the upper cover is arranged between the face shell 1 and the base 3.

Specifically, as shown in fig. 6 to 7, the base 3 is square with only one side open, and a receiving chamber for fixing the transformer and the control board is provided therein. The accommodating chamber comprises a transformer chamber 38 and a control board fixing table 5 which is higher than the transformer chamber, one end of the control board is placed on the fixing table, and a transformer fixedly arranged on the control board is positioned in the transformer chamber. The accommodating chamber further comprises two control board limiting columns 34, one side of each control board limiting column is provided with a control board supporting column 36, the other side of each control board limiting column is provided with a control board fixing column 37, the periphery of the accommodating chamber is correspondingly provided with the control board supporting column 36, the height of each control board supporting column is identical to that of each control board fixing table, one side of each control board penetrating through each control board limiting column 34 is arranged on each control board fixing table, heat dissipation is supported through each control board supporting column 36, and then the control boards penetrate through each control board fixing column 37 to be fixed. The control panel 5 is provided with the arc notch corresponding to the control panel spacing post, realizes that the control panel is preliminary spacing in the base to and the spacing mouth 52 that corresponds with the control panel fixed column realizes further spacing to the control panel, and spacing mouth distributes and sets up around the control panel, fixes the control panel through all around and avoids its rocking.

Further, as shown in fig. 6-7, in order to fix the base in the wall conveniently, the control board limiting column 34 is provided with a concave locking hole 341 and a counter bore 340 penetrating through the control board limiting column, the base is fixed in the wall by using a screw penetrating through the counter bore, then the end of the screw is placed at the locking hole 341, so that the clamping of the upper cover and the base is facilitated, and the shaking of the screw is avoided due to the limitation of the locking hole on the screw, so that the base is more stable in the wall.

Further, as shown in fig. 5-7, in order to facilitate connection between the base and the upper cover, an upper cover chamber corresponding to the upper cover is provided at the opening of the base, a fourth fastening member 33 is provided on the base, and a second fastening member 24 is provided on the upper cover corresponding to the fourth fastening member, and the upper cover is fixed on the base by fastening the second fastening member with the fourth fastening member. In order to facilitate the sliding locking of the upper cover and the base, the second clamping piece and the fourth clamping piece are correspondingly provided with a clamping buckle 112 and a sliding inclined plane 110, the two sliding lower surfaces are contacted with each other and then continuously clamped into the upper cover until the two clamping ports 112 are locked with each other, at the moment, the second clamping piece and the fourth clamping piece are connected and locked, and after the second clamping piece and the corresponding fourth clamping piece are all connected and locked, the upper cover and the base are connected and fixed. When the upper cover is connected with the base, the upper cover does not exceed the top surface of the base.

Further, as shown in fig. 3-4 and 6-7, in order to further protect the base, the opening of the base is further provided with a face shell 1, and the face shell 1 and the base are also connected and fixed through a fastener. The base shaft side is provided with a third buckling piece 31, the surface cover is provided with a first buckling piece 11 corresponding to the third buckling piece, the first buckling piece comprises a sliding inclined surface 110 and a locking plane 111 arranged below the sliding inclined surface 110, the third buckling piece is provided with a sliding inclined surface corresponding to the sliding inclined surface, and the surface cover is fixedly connected with the bottom shell after the end part of the sliding inclined surface is buckled into the locking plane through sliding of the two sliding inclined surfaces. And the first buckling piece and the corresponding third buckling piece are all connected, and the surface cover and the base are fixedly connected in future. At the moment, the base is hidden in the wall body through the face cover, and only the face cover is arranged on the wall, so that the wall is more attractive. In order to detach the instant noodle cover from the base, a bump 30 is arranged on the base, a notch 12 is arranged on the noodle cover corresponding to the base, the bump is arranged at the notch, one of the first buckling pieces and the third buckling piece are separated from each other by pushing the notch through articles such as a screwdriver, and the noodle cover and the base can be connected and separated by continuously using force. It should be noted that, in order to detach and reinstall the instant noodle cover, the noodle cover should use plastic materials which are easy to recover after deformation, and has a certain fire resistance, so that reinstallation after detachment of the noodle cover is facilitated.

Further, as shown in fig. 6 and fig. 9-10, in order to facilitate the switching of the fire zero line, four wire locking member fixing chambers 32 are provided in the base, the four wire locking member fixing chambers 32 are divided into two groups, each group is provided with two wire locking member fixing chambers, one group is an input end for connecting the fire line and the zero line, and the other group is an output end. The wire locker fixing chamber 32 is provided with a first through hole 320 through which the live wire and the neutral wire are connected, the first through hole also supplies output wires, and a second through hole 321 through which the live wire, the neutral wire and the output wires are fixed. Each wire locking fixing chamber is provided with a wire locking member 6, the wire locking member 6 comprises a locking screw 60 and a wire fixing seat 61, the wire fixing seat is provided with a wire jack 610 communicated with the first through hole and a screw jack 611 connected with the second through hole, the wire fixing seat is also provided with a wire conducting end 612 connected with an input wire or an output wire, and the wire conducting end 612 is electrically connected with the control board. The input wire is inserted through the first through hole 320 and then enters the screw insertion hole 610 to be in contact with the conducting wire leading end, then the locking screw passes through the second through hole and then enters the screw insertion hole to fix the input wire in the conducting wire fixing seat, voltage is transmitted to the control board through the conducting wire leading end, voltage is reduced under the action of the control board and the transformer, and then the voltage is output through the output end in the same mode. In order to avoid the locking screw to drop, the locking screw is fixedly arranged in the second through hole and cannot be taken out through the second through hole, namely, the skill moves up and down between the wire jack and the second through hole and cannot be separated from the bottom shell. In order to facilitate the fixing of the input or output end within the wire holder along with the conducting end of the wire, the locking screw end is provided with a tapered end 600 which has a stronger locking force on the input and output wires.

Further, as shown in fig. 8, in order to facilitate the fixing of the control board 5 in the base and enhance the heat dissipation effect of the control board, a wire opening 51 is provided on the control board corresponding to the guiding fixing end, and the wire guiding end passes through the wire opening 51 to be electrically connected with the control board for fixing, so that the shaking of the wire locking member is avoided. The cooling fin 50 is also arranged on the control panel, and the cooling fin and the transformer are arranged on the same side and are arranged at the same height, so that the volume of the bottom shell is reduced. The heat sink is preferably provided as an L-shaped heat sink. In order to further improve the heat dissipation effect, the side surface of the accommodating chamber of the bottom case is provided with a plurality of heat dissipation square grooves 39, so that the heat dissipation effect of the control board is increased. The upper end of the bottom shell is also provided with a plurality of vertical ribs 22, which increases the toughness of the base and avoids breakage thereof.

Further, as shown in fig. 3-4, in order to reduce the influence of vibration on the base, a plurality of vibration-proof cottons 10 are further arranged around the face shell, so that the influence of vibration on the base and the control board is reduced. The surface cover is also provided with an inner notch 12 in which damping cotton and heat dissipation cotton can be placed to improve the damping effect and heat dissipation effect of the adapter.

Further, as shown in fig. 5, a plurality of transverse ribs 21 and vertical ribs 22 are arranged on the side, facing the base, of the upper cover 2, and the transverse ribs and the vertical ribs are distributed in a crossed manner to increase the toughness of the upper cover. And be provided with screw thread post 20, the connection tightness of upper cover and base through the screw thread post, in order to make things convenient for the fixed of upper cover, screw thread post side still is provided with a plurality of spacing 200 and the side corresponds the spacing post 34 of control panel and is provided with arc notch 23, makes things convenient for the spacing fixed of upper cover on the base.

In assembly and installation, the power adapter firstly places the wire locking member 6 in the wire locking member fixing chamber 32, so that the first through hole 320 corresponds to the wire insertion hole 610, the second through hole 321 corresponds to the screw insertion hole 611, and the wire conducting end 612 faces to the opening side of the base. Then, the side of the control board 5 provided with the transformer 4 faces the base, the arc notch 23 on the control board is aligned with the control board limiting post 34, the control board is continuously pressed down, the control board fixing post 37 passes through the limiting opening 52, and the wire conducting end 612 passes through the wire opening 51 until the control board is fixed on the control board supporting post 36 and the control board fixing table 35. The wire leading end is connected with the control board, the live wire and the zero wire are inserted into the first through hole 320 and then enter the wire insertion hole 610 to be contacted with the wire leading end, the locking screw 60 is locked by using a screwdriver to penetrate through the second through hole 321 until the conical end 600 locks the live wire and the zero wire, and the output end is locked in the same mode. Then, the arc notch 23 of the upper cover 2 is aligned with the control panel limiting column, the upper cover is continuously pressed until the second clamping piece 24 is contacted with the fourth clamping piece 33, the two sliding inclined planes are contacted with each other, the upper cover is continuously pressed, the two bayonets 112 are directly clamped with each other, and until all the second clamping pieces are clamped with the fourth clamping piece, and the upper cover is connected with the base. The base is fixed in the wall by using the screw through the counter bore 340 until the end of the screw is placed in the locking hole 341, and the base is mounted in the wall. When the face shell 1 is aligned with the base, the first fastening piece 11 and the third fastening piece 31 are aligned, the two sliding inclined planes are contacted with each other until one sliding surface passes through and is fastened with the locking plane until all the first fastening pieces and the third fastening pieces are fastened, at this time, the protruding block 30 is arranged at the notch 12, the face shell is connected with the base, the adapter is arranged inside the wall, and the face shell is exposed out of the wall or is flush with the wall, so that the face shell is more attractive. When needing the maintenance, use special product to correspond breach department pry the lug, make its first fastener and third fastener separation, forcefully until all third fasteners and first fastener separation, face-piece and base separate this moment, tear down the screw that gets into in the counter bore, can pull out the base in the wall body, then maintain to input line or output line, adopt the same mode to fix after the maintenance is accomplished can, whole more convenient and practical.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes in the features and embodiments may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. The utility model provides a hidden power adapter of wall body, includes only one side open-ended base, the base is provided with the control panel, be provided with the transformer on the control panel, the transformer sets up between control panel and base, is provided with input line and output line through-hole on the base, and the input line is connected and is exported by the output line after the reduced voltage with the control panel electricity through-hole, its characterized in that: the power adapter further comprises an upper cover, wherein the upper cover is arranged between the control board and the base, a face shell is further arranged at the opening of the base, and the upper cover and the face shell are detachably connected with the base in a fastening mode.

2. The power adapter of claim 1, wherein: four wire locking pieces are fixed in the base, every two wire locking pieces form a group, two groups of input wires corresponding to the live wire and the zero wire and two output wires are connected with the control board through the wire locking pieces, and the output wires are connected with the control board through the wire locking pieces.

3. The power adapter of claim 2, wherein: the wire locking piece comprises a wire fixing seat and a wire conducting end which is integrally formed with the wire fixing seat, the wire conducting end is electrically connected with the control board to conduct an input wire and an output wire, a wire jack is arranged on the wire fixing seat, a first through hole is formed in the bottom shell corresponding to the wire jack, the input wire and/or the output wire enters the wire jack through the first jack to conduct with the wire conducting end, and a locking screw for fixing the input wire and/or the output wire is further arranged in the wire fixing seat.

4. A power adapter according to claim 3, wherein: the wire fixing seat is provided with a screw jack, a locking screw penetrates through the screw jack to lock the input wire and/or the output wire, the base is provided with a second jack corresponding to the screw jack, and the locking screw is provided with a clamping part with the radius larger than that of the second jack.

5. A power adapter according to claim 3, wherein: the end part of the locking screw inserted into the screw jack is provided with a conical end, an input wire and/or an output wire are connected with a conducting end of a wire through the conical end and then locked, and the conducting end of the wire penetrates through the control board to enter the other side of the control board and is electrically connected and fixed with the control board.

6. The power adapter according to any one of claims 1-5, wherein: the base is provided with a plurality of buckling pieces, a plurality of corresponding buckling pieces are correspondingly arranged on the upper cover and the face shell, and the upper cover, the base and the face shell are fixed through the clamping of the buckling pieces.

7. The power adapter of claim 6, wherein: the upper cover is provided with the second fastener, corresponds the second fastener on the base and is provided with the fourth fastener, corresponds the bayonet socket that is provided with slip inclined plane and mutual chucking on second fastener and the fourth fastener, be provided with first fastener on the face-piece, correspond first fastener on the base and be provided with the third fastener, correspond on first fastener and the third fastener and be provided with slip inclined plane, the lower extreme on the slip inclined plane of first fastener is provided with locking plane, and the lower extreme of third fastener slides into locking plane lower extreme and connects locking with first fastener and third fastener.

8. The power adapter of claim 7, wherein: the face shell is characterized in that a plurality of shockproof cottons are arranged on the periphery of the inner wall of the face shell, an inner notch is formed in the face shell, radiating fins and shock-absorbing cottons are arranged on the inner notch, a notch is formed in the side face of the face shell, and a bump is arranged on the base corresponding to the notch.

9. The power adapter of claim 1, wherein: the utility model discloses a transformer, including control panel, control panel support column, control panel support column and control panel support column, the control panel is close to transformer one side and is provided with the fin, the fin is L shape, and the control panel both sides are provided with the arc notch, correspond the arc notch in the base and be provided with the spacing post of control panel, be provided with a plurality of spacing mouths on the control panel, correspond spacing mouthful on the base and be provided with a plurality of control panel fixed columns, still be provided with a plurality of control panel support columns in the base, the height that highly is less than the control panel fixed column of control panel support column corresponds the control panel fixed station in the base, control panel fixed station is the same with the control panel support column height, and the control panel fixed station next door is provided with the degree of depth and is greater than the transformer accommodation chamber of control panel fixed station, and this accommodation intracavity is arranged in to transformer and fin.

10. The power adapter of claim 9, wherein: the utility model discloses a control panel, including control panel spacing post, upper cover, base, screw thread post side and upper cover, be provided with the locking hole of indent in the control panel spacing post to and pass the counter bore of base, the screw thread passes the counter bore and fixes the base on the wall, and in locking hole was arranged in to the nut end of its screw thread, the base side was provided with a plurality of heat dissipation square grooves, the upper cover corresponds the spacing post of control panel and is provided with the arc notch, is provided with the screw thread post that passes through the screw fixation with the control panel on the upper cover, screw thread post side is provided with a plurality of spacing, and the upper cover is close to control panel one side, the base outside all is provided with a plurality of horizontal ribs and/or vertical rib, horizontal rib and vertical rib crossing distribution set up.