CN212969470U - Disconnect-type switching power supply adapter casing - Google Patents

Abstract

The utility model discloses a separated switch power adapter shell, which comprises a first shell and a second shell which are mutually involutory, wherein the first shell can be horizontally connected with the second shell in a sliding way; the two symmetrical side walls of the first shell are fixedly connected with clamping blocks which protrude towards the second shell, the two symmetrical side walls of the second shell are fixedly connected with convex blocks, clamping holes are formed in the clamping blocks, the convex blocks penetrate through the clamping holes and can horizontally move in the clamping holes, and the moving direction of the convex blocks is consistent with the sliding direction of the first shell; the lug includes the trip, and the one end of trip is equipped with the knot of perpendicular to second casing lateral wall and colludes, and the surface of detaining the hook is the arcwall face, forms the bayonet socket between the free end of knot hook and the inside wall of second casing, bayonet socket and fixture block interference fit, and in one side of fixture block passed through bayonet socket level embedding trip, and the internal surface of detaining the hook laminated in the surface of this side completely. The shell of the split type switch power adapter is firmly installed.

Description

Disconnect-type switching power supply adapter casing

Technical Field

The utility model relates to an electronic power source field, concretely relates to disconnect-type switching power supply adapter casing.

Background

The switch power adapter is a power supply conversion device of small portable electronic equipment and electronic appliances, and generally comprises a shell, a switch, a power transformer and a rectification circuit; the switch power adapter has the advantages of small appearance, convenience in carrying, wide and various purposes, suitability for various environments, reliable quality and the like.

The shell of the existing switch power adapter is usually fixed by a plurality of screws, and although the connection mode is firm, the installation operation is troublesome and the assembly efficiency is low. In the prior art, a power adapter disclosed in chinese patent CN201584889U includes a bottom case (1), a face shell (2), and pins (11) and a PCB board disposed on the bottom case, where electronic components are mounted on the PCB board, the PCB board is connected to the pins through one end of a circuit and the other end of the circuit is connected to an output line, and the face shell is fastened to the bottom case through a built-in fastening structure.

Above-mentioned prior art need not adopt screw locking drain pan and face-piece, only needs to press drain pan and face-piece through the assembly mode from the top and can accomplish the shell equipment, effectively reduces artifical and material cost low. However, in the prior art, the installation is realized only by a top-down assembly mode, and the risk that the bottom shell and the face shell fall off due to external force damage in long-term use is possible, so that the problem that the power adapter shell is not firmly installed still exists.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a disconnect-type switching power supply adapter casing has solved switching power supply adapter's not firm enough problem of casing installation at least.

(II) technical scheme

In order to solve the technical problem, the utility model provides a following technical scheme: a shell of a split switch power adapter comprises a first shell and a second shell which are mutually involutory, wherein the first shell can be horizontally and slidably connected with the second shell; the two symmetrical side walls of the first shell are fixedly connected with clamping blocks protruding towards the second shell, the two symmetrical side walls of the second shell are fixedly connected with convex blocks, clamping holes are formed in the clamping blocks, the convex blocks penetrate through the clamping holes and can horizontally move in the clamping holes, and the moving direction of the convex blocks is consistent with the sliding direction of the first shell; the lug includes the bayonet socket, the one end of bayonet socket is equipped with the perpendicular to the knot of second shell lateral wall is colluded, the surface of detaining the hook is the arcwall face, detain the free end of colluding with form the bayonet socket between the inside wall of second shell, the bayonet socket with fixture block interference fit, one side of fixture block is passed through the bayonet socket level imbeds in the bayonet socket, just the internal surface of detaining the hook is laminated in the surface of this side completely.

With the arrangement, after the first shell and the second shell are mutually covered, the lug passes through the clamping hole, and the pre-fixed connection of the first shell and the second shell is realized; then pulling the first shell to enable the first shell to slide relative to the second shell, enabling the convex block to horizontally move in the clamping hole in the process that the sliding rail horizontally slides to one end of the sliding groove, enabling the arc-shaped surface of the buckle hook to abut against the inner side wall of the clamping hole, then continuously pulling the first shell with force, enabling the arc-shaped surface of the buckle hook to be extruded, enabling the free end to start to deform and bend towards the inside of the clamping mouth, enabling the clamping mouth to be enlarged, and enabling one side of the clamping block to be embedded into the clamping mouth through the clamping mouth; when one side of the clamping block is completely embedded into the inner mouth of the clamping block, the buckle hook is arranged in the clamping hole, meanwhile, the buckle hook is not extruded any more, so that the free end starts to recover, meanwhile, the inner side wall of the buckle hook is completely attached and buckled on the outer surface of the clamping block, and at the moment, the first shell and the second shell are completely closed and fixedly connected with each other, so that the installation of the adapter shell is realized; the buckle hook is vertical to the inner side wall of the second shell, and after the inner side wall of the buckle hook is completely attached and buckled on the outer surface of the fixture block, the first shell and the second shell are difficult to be disassembled in the horizontal direction by pushing the first shell, so that the first shell and the second shell cannot be disassembled in the vertical direction; through carrying out assembly and the assembly of horizontal direction from the top with first shell and second shell for first shell and second shell fixed connection, and then improved adapter housing connection fastness.

In a further arrangement, the side wall of the first housing is horizontally provided with a slide rail towards the end surface of the second housing, the side wall of the second housing is horizontally provided with a slide groove towards the end surface of the first housing, and the slide rail can slide in the slide groove.

Due to the arrangement, the sliding rail and the sliding groove are hidden between the first shell and the second shell, so that the sliding rail and the sliding groove can be protected to a certain extent, and the safety of the adapter shell is improved; meanwhile, the structures of the first shell and the second shell can be compact, so that the adapter shell is small and exquisite as a whole, and the surface is simpler.

Further setting, all be equipped with the slide rail on the lateral wall of two symmetries of first shell, all be equipped with the spout on the lateral wall of two symmetries of second shell.

So set up, through the cooperation of two slide rails and two spouts, further improve alignment nature and the stability that first shell and second shell are connected, and then improve adapter housing's packaging efficiency.

Further setting, the slide rail contact in the one end of spout is equipped with the connecting block, be equipped with the draw-in groove on the spout, two inside wall symmetries of draw-in groove are equipped with the arc spring leaf, the connecting block passes through the arc spring leaf joint in the draw-in groove.

So set up, increase the firm in connection nature of first shell and second shell, make adapter housing overall structure more firm.

In a further arrangement, a groove is formed in the inner side wall of the second shell, one side of the groove penetrates through the end face of the second shell facing the end face of the first shell, the protruding block is located in the groove, and the clamping block is located on the side wall of the first shell facing the end face of the second shell.

So set up, the inner space of multiplicable first shell and second shell to improve the inner space of adapter casing, so that circuit board and electronic components's installation.

The fixture block is characterized in that the sliding rail comprises a first sliding rail and a second sliding rail which are respectively positioned on two sides of the fixture block, the sliding groove comprises a first sliding groove and a second sliding groove which are respectively positioned on two sides of the groove, the first sliding rail slides in the first sliding groove, and the second sliding rail slides in the second sliding groove.

So set up, because recess and fixture block have taken the space of the lateral wall terminal surface of first shell and second shell respectively, in order to avoid doing the lateral wall with first shell and second shell thick, consequently set up slide rail and spout respectively in the both sides of recess and fixture block, can effectively save the space of first shell and second shell lateral wall terminal surface like this, practiced thrift the cost of material.

The connecting block comprises a first connecting block and a second connecting block, the clamping groove comprises a first clamping groove and a second clamping groove, the arc-shaped spring piece comprises a first arc-shaped spring piece and a second arc-shaped spring piece, the first connecting block is connected to one end of the first slide rail and is connected with the first clamping groove through the first arc-shaped spring piece in a clamped mode, and the second connecting block is connected to one end of the second slide rail and is connected with the second clamping groove through the second arc-shaped spring piece in a clamped mode.

So set up, can further improve the fastness of being connected between first shell and the second shell, further make adapter housing overall structure more firm.

Further, a hand-pulling groove is formed in the outer surface of the side wall of the first shell.

So set up, be convenient for to the push-and-pull operation of first shell, indirectly improve the packaging efficiency of adapter casing.

(III) advantageous effects

Compared with the prior art, the utility model provides a disconnect-type switching power supply adapter casing possesses following beneficial effect:

the shell of the separated switch power adapter comprises a first shell and a second shell which are mutually combined, and after the first shell and the second shell are mutually covered, a lug passes through a clamping hole to realize the pre-fixed connection of the first shell and the second shell; then pulling the first shell to enable the first shell to slide relative to the second shell, enabling the convex block to horizontally move in the clamping hole in the process that the sliding rail horizontally slides to one end of the sliding groove, enabling the arc-shaped surface of the buckle hook to abut against the inner side wall of the clamping hole, then continuously pulling the first shell with force, enabling the arc-shaped surface of the buckle hook to be extruded, enabling the free end to start to deform and bend towards the inside of the clamping mouth, enabling the clamping mouth to be enlarged, and enabling one side of the clamping block to be embedded into the clamping mouth through the clamping mouth; when one side of the clamping block is completely embedded into the inner mouth of the clamping block, the buckle hook is arranged in the clamping hole, meanwhile, the buckle hook is not extruded any more, so that the free end starts to recover, meanwhile, the inner side wall of the buckle hook is completely attached and buckled on the outer surface of the clamping block, and at the moment, the first shell and the second shell are completely closed and fixedly connected with each other, so that the installation of the adapter shell is realized; the buckle hook is vertical to the inner side wall of the second shell, and after the inner side wall of the buckle hook is completely attached and buckled on the outer surface of the fixture block, the first shell and the second shell are difficult to be disassembled in the horizontal direction by pushing the first shell, so that the first shell and the second shell cannot be disassembled in the vertical direction; through carrying out assembly and the assembly of horizontal direction from the top with first shell and second shell for first shell and second shell fixed connection, and then improved adapter housing connection fastness.

Drawings

Fig. 1 is a schematic view of the overall front structure of the present invention;

fig. 2 is a schematic view of the overall side structure of the present invention;

FIG. 3 is a front view of the first housing;

FIG. 4 is a front view of the second housing;

FIG. 5 is a bottom view of the first housing;

FIG. 6 is a schematic top view of the second housing;

FIG. 7 is a schematic cross-sectional view of the clip tip not connected to the clip block when the first housing and the second housing are closed;

FIG. 8 is a schematic cross-sectional view of the clip nozzle and the clip block when the first housing and the second housing are fully mated;

FIG. 9 is a schematic top view of a portion of the clip nozzle with the clip block connected;

FIG. 10 is a schematic diagram of a partial left-side cross-sectional structure of the connection between the latch and the latch.

In the drawings: 1. an adapter housing; 2. a first housing; 201. a slide rail; 2011. a first slide rail; 2012. a second slide rail; 202. a clamping block; 2021. a clamping hole; 203. a hand-pulled groove; 3. a second housing; 301. a chute; 3011. a first chute; 3012. a second chute; 302. a bump; 3021. a clamping nozzle; 3022. buckling; 30221. an arc-shaped surface; 3023. a bayonet; 303. a groove; 4. connecting blocks; 401. a first connection block; 402. a second connecting block; 5. a card slot; 501. a first card slot; 502. a second card slot; 6. a window; 7. an arc-shaped spring piece; 701. a first arc-shaped spring piece; 702. a second arc spring piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1 to 10, wherein fig. 1 is a schematic diagram of an overall front structure of the present invention, fig. 2 is a schematic diagram of an overall side structure of the present invention, fig. 3 is a schematic diagram of a front structure of a first housing, fig. 4 is a schematic diagram of a front structure of a second housing, fig. 5 is a schematic diagram of a bottom structure of the first housing, fig. 6 is a schematic diagram of a top structure of the second housing, fig. 7 is a schematic diagram of a cross-sectional structure when the card mouth is not connected to the fixture block when the first housing and the second housing are closed, fig. 8 is a schematic diagram of a cross-sectional structure when the card mouth is connected to the fixture block when the first housing and the second housing are completely aligned, fig. 9 is a schematic diagram of a partial top cross-sectional structure when the card mouth is connected to the fixture block, and fig. 10 is a schematic diagram of a partial left.

The utility model provides a disconnect-type switching power supply adapter casing, including the adapter casing 1 of plastics material, adapter casing 1 includes first shell 2 and second shell 3 that involutes each other, and integrated into one piece has a slide rail 201 that sets up horizontally on first shell 2, and integrated into one piece has a spout 301 that sets up horizontally on second shell 3, and slide rail 201 imbeds in spout 301, and slide rail 201 can slide in spout 301, and slide to the one end of spout 301; two symmetrical side walls of the first housing 2 are fixedly connected with fixture blocks 202 which vertically protrude towards the second housing 3, two symmetrical side walls of the second housing 3 are integrally formed with plastic lugs 302, the fixture blocks 202 are provided with fixture holes 2021, the lugs 302 penetrate through the fixture holes 2021 and can horizontally move in the fixture holes 2021, and the moving direction of the lugs 302 is consistent with that of the slide rails 201; the bump 302 includes a plastic mouthpiece 3021, one end of the mouthpiece 3021 is integrally formed with a hook 3022 perpendicular to the side wall of the second housing 3, the hook 3022 faces the inner side wall of the second housing 3, the outer surface of the hook 3022 is an arc-shaped surface 30221, a bayonet port 3023 is formed between the free end of the hook 3022 and the inner side wall of the second housing 3, the bayonet port 3023 is in interference fit with the fixture block 202, one side of the fixture block 202 is horizontally embedded into the mouthpiece 3021 through the bayonet port 3023, and the inner surface of the hook 3022 completely fits the outer surface of the side. Thus, by pressing the two sides of the first housing 2, the clamping blocks 202 on the two sides are extruded and move towards the inside of the first housing 2, then the first housing 2 and the second housing 3 are mutually covered, the sliding rail 201 is embedded into the sliding groove 301, and meanwhile, the first housing 2 is pressed, so that the bump 302 passes through the clamping hole 2021, and the first housing 2 and the second housing 3 are pre-fixedly connected; then the first housing 2 is pulled to enable the first housing 2 to slide relative to the second housing 3, when the slide rail 201 horizontally slides to one end of the slide groove 301, the bump 302 horizontally moves in the card hole 2021, the arc-shaped surface 30221 of the hook 3022 abuts against the inner side wall of the card hole 2021, then the first housing 2 is continuously pulled with force, the arc-shaped surface 30221 of the hook 3022 is squeezed, the free end begins to deform and bend towards the inside of the card mouth 3021, the bayonet port 3023 is enlarged, and one side of the fixture block 202 is embedded into the card mouth 3021 through the bayonet port 3023; when one side of the fixture block 202 is completely embedded into the fixture nozzle 3021, the hook 3022 is placed in the fixture hole 2021, and the hook 3022 is not squeezed again, so that the free end starts to recover, and the inner side wall of the hook 3022 is completely attached and fastened to the outer surface of the fixture block 202, and at this time, the first housing 2 and the second housing 3 are completely closed and fixedly connected to each other, thereby realizing the installation of the adapter housing 1; since the hook 3022 is perpendicular to the inner sidewall of the second housing 3, after the inner sidewall of the hook 3022 is completely attached and fastened to the outer surface of the fixture block 202, the first housing 2 is difficult to be pushed by an external force, so that the first housing 2 and the second housing 3 are difficult to be disassembled in the horizontal direction, and the first housing 2 and the second housing 3 cannot be disassembled in the vertical direction; through carrying out from the top assembly and the assembly of horizontal direction with first shell 2 and second shell 3 for first shell 2 and 3 fixed connection of second shell, and then improved adapter housing 1 fastness to connection.

The side wall of the first housing 2 faces the end face of the second housing 3 and is horizontally and integrally formed with a slide rail 201, the side wall of the second housing 3 faces the end face of the first housing 2 and is horizontally and integrally formed with a slide groove 301, and the slide rail 201 can slide in the slide groove 301. Therefore, the sliding rail 201 and the sliding groove 301 are hidden between the first shell 2 and the second shell 3, so that the sliding rail 201 and the sliding groove 301 can be protected to a certain extent, and the safety of the adapter shell 1 is improved; meanwhile, the structure of the first shell 2 and the second shell 3 can be compact, so that the adapter shell 1 is small and exquisite as a whole and the surface is simpler. In order to further improve the connection alignment and stability of the first housing 2 and the second housing 3, the sliding rails 201 are integrally formed on two symmetrical side walls of the first housing 2, the sliding grooves 301 are integrally formed on two symmetrical side walls of the second housing 3, and the assembling efficiency of the adapter housing 1 is further improved by the matching of the two sliding rails 201 and the two sliding grooves 301.

Slide rail 201 contacts has connecting block 4 in the one end integrated into one piece of spout 301, and integrated into one piece has draw-in groove 5 on the spout 301, and two inside wall symmetries of draw-in groove 5 are equipped with metal material's arc spring leaf 7, and connecting block 4 inserts draw-in groove 5 to through two arc spring leaf 7 joints in draw-in groove 5. This can increase the connection strength between the first housing 2 and the second housing 3, and thus the overall structure of the adapter housing 1 is more stable.

The inside wall of the second housing 3 is integrally formed with a groove 303, the top of the groove 303 penetrates through the second housing 3 and faces the end surface of the first housing 2, the protrusion 302 is integrally formed in the groove 303, and correspondingly, the latch 202 is integrally formed on the side wall of the first housing 2 and faces the end surface of the second housing 3. Therefore, the internal space of the first shell 2 and the second shell 3 can be increased, and the influence on the internal space of the adapter shell 1 when the fixture block 202 is connected with the projection 302 is reduced, so that the internal space of the adapter shell 1 is increased, and the circuit board and the electronic component can be conveniently installed; when one side of the latch 202 is inserted into the latch port 3021, the other side of the latch 202 is attached to an inner side arm of the groove 303, and an end of the latch 202 away from the first housing 2 is attached to an inner bottom surface of the groove 303.

Because recess 303 and fixture block 202 have occupied the space of the lateral wall terminal surface of first shell 2 and second shell 3 respectively, in order to avoid making first shell 2 and second shell 3's lateral wall thick, divide into first slide rail 2011 and second slide rail 2012 to slide rail 201, and be located the both sides of fixture block 202 respectively, it is corresponding, divide into first spout 3011 and second spout 3012 to slide 301, be located the both sides of recess 303 respectively equally, first slide rail 2011 slides in first spout 3011 simultaneously, second slide rail 2012 slides in second spout 3012. So, set up slide rail 201 and spout 301 respectively in the both sides of recess 303 and fixture block 202 there are two benefits, one of them, can effectively save the space of first shell 2 and 3 lateral wall terminal surfaces of second shell, the cost of material has been practiced thrift, its two, because slide rail 201 imbeds behind spout 301, all play certain limiting displacement to first shell 2 and second shell 3, and set up respectively behind the both sides of recess 303 and fixture block 202 when the fixture block 202 is pressed in the both sides through first shell 2, can reduce the interference and the influence that the back was brought to pressing the operation after slide rail 201 and spout 301 are connected.

The connecting block 4 comprises a first connecting block 401 and a second connecting block 402, the clamping groove 5 comprises a first clamping groove 501 and a second clamping groove 502, the arc-shaped spring piece 7 comprises a first arc-shaped spring piece 701 and a second arc-shaped spring piece 702, the first connecting block 401 is integrally formed at one end of a first sliding rail 2011 and is connected with the first clamping groove 501 in a clamping manner through the first arc-shaped spring piece 701, and the second connecting block 402 is integrally formed at one end of a second sliding rail 2012 and is connected with the second clamping groove 502 in a clamping manner through the second arc-shaped spring piece 702. Thus, the firmness of the connection between the first shell 2 and the second shell 3 can be further improved, and the overall structure of the adapter housing 1 is further firmer.

In order to facilitate the push-pull and press operations of the first shell 2, hand pulling grooves 203 are integrally formed on the outer surfaces of the two side walls of the first shell 2 and at positions close to the fixture blocks 202, so that the assembly efficiency of the adapter shell 1 is indirectly improved, and the fixture blocks 202 can be conveniently pressed through the first shell 2; meanwhile, in order to facilitate the first housing 2 and the second housing 3 to cover each other, the protrusion 302 can smoothly pass through the locking hole 2021, and the outer surface of the protrusion 302 away from the second housing 3 is made into an inclined surface, which is inclined from one end toward the first housing 2 to the other end.

The first shell 2 and the second shell 3 are both provided with a gap, after the first shell 2 and the second shell 3 are mutually folded, the two gaps are combined into a window 6, and an external output line is connected with a circuit board in the adapter shell 1 through the window 6 and supplies power.

When the device is used, when the device is installed, the two sides of the first shell 2 are pressed through the hand-pulling groove 203, the two sides of the first shell 2 start to deform, the clamping blocks 202 on the two sides are extruded and move towards the inside of the first shell 2, then the first shell 2 and the second shell 3 are mutually covered, the first sliding rail 2011 and the second sliding rail 2012 on the two sides of the first shell 2 are respectively and correspondingly embedded into the first sliding groove 3011 and the second sliding groove 3012 on the second shell 3, meanwhile, the pressing on the first shell 2 is released, the clamping blocks 202 are tightly attached to the groove 303, the convex block 302 passes through the clamping hole 2021, at the moment, the first shell 2 slightly protrudes out of the second shell 3, then the first shell 2 is pushed, the first sliding rail 2011 and the second sliding rail 2012 horizontally slide in the first sliding groove 3011 and the second sliding groove 3012 respectively, at the same time, the convex block 302 horizontally moves in the clamping hole 2021, when the first sliding rail 2011 and the second sliding rail 2012 respectively slide to one end of the first sliding groove 3011 and the second sliding groove 301, at this time, the first connecting block 401 is connected with the first clamping groove 501 in a clamping manner, the second connecting block 402 is connected with the second clamping groove 502 in a clamping manner, one side of the clamping block 202 is completely embedded into the clamping mouth 3021, the inner surface of the buckle 3022 is completely attached to the outer surface of the side, and at this time, the first shell 2 and the second shell 3 are completely combined and fixedly connected with each other, so that the installation of the adapter shell 1 is realized. When the first housing 2 is detached, the hand-pulling groove 203 pushes the first housing 2 with force, so that one side of the fixture block 202 extrudes the elastic clamping mouth 3021 from the inner side of the elastic clamping mouth 3021 and deforms and expands the elastic clamping mouth, the first slide rail 2011 and the second slide rail 2012 slide horizontally in the first slide groove 3011 and the second slide groove 3012, respectively, when the first slide rail 2011 and the second slide rail 2012 slide to the other end of the first slide groove 3011 and the second slide groove 3012, the first connecting block 401 and the first clamping groove 501 separate, the second connecting block 402 and the second clamping groove 502 separate, the elastic clamping mouth 3021 and the fixture block 202 separate, the bump 302 is completely located in the clamping hole 2021, at this time, the two sides of the first housing 2 are pressed by the hand-pulling groove 203, the two sides of the first housing 2 begin to deform, the fixture block 202 is far away from the groove 303, the clamping hole 2021 is far away from the bump 302, and then the first housing 2 is pulled in a direction far away from the second housing 3, so that the first housing 2 and the second housing 3 are, the disassembly of the adapter housing 1 is effected.

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

Claims (8)

1. The shell of the split type switch power adapter is characterized by comprising a first shell (2) and a second shell (3) which are mutually involutory, wherein the first shell (2) can be horizontally and slidably connected with the second shell (3); the two symmetrical side walls of the first shell (2) are fixedly connected with clamping blocks (202) protruding towards the second shell (3), the two symmetrical side walls of the second shell (3) are fixedly connected with convex blocks (302), clamping holes (2021) are formed in the clamping blocks (202), the convex blocks (302) penetrate through the clamping holes (2021) and can horizontally move in the clamping holes (2021), and the moving direction of the convex blocks (302) is consistent with the sliding direction of the first shell (2); lug (302) are including bayonet socket (3021), the one end of bayonet socket (3021) is equipped with the perpendicular to buckle hook (3022) of second shell (3) lateral wall, the surface of buckle hook (3022) is arcwall face (30221), buckle hook (3022) the free end with form bayonet socket (3023) between the inside wall of second shell (3), bayonet socket (3023) with fixture block (202) interference fit, one side of fixture block (202) is passed through bayonet socket (3023) horizontal embedding in bayonet socket (3021), just the internal surface of buckle hook (3022) is laminated in the surface of this side completely.

2. A split switching power adapter shell according to claim 1, wherein a slide rail is horizontally arranged on the end surface of the side wall of the first shell (2) facing the second shell (3), a slide groove is horizontally arranged on the end surface of the side wall of the second shell (3) facing the first shell (2), and the slide rail (201) is slidable in the slide groove (301).

3. A split switching power adapter shell according to claim 2, wherein the first shell (2) is provided with slide rails (201) on two symmetrical side walls, and the second shell (3) is provided with slide grooves (301) on two symmetrical side walls.

4. The shell of a split switching power adapter according to claim 3, wherein a connecting block (4) is disposed at one end of the sliding rail (201) contacting the sliding groove (301), a clamping groove (5) is disposed on the sliding groove (301), two inner side walls of the clamping groove are symmetrically provided with arc-shaped spring pieces, and the connecting block (4) is clamped in the clamping groove (5) through the arc-shaped spring pieces.

5. A split switching power adapter shell according to claim 4, wherein the inner side wall of the second shell (3) is provided with a groove (303), one side of the groove (303) penetrates through the end face of the second shell (3) facing the first shell (2), the protrusion (302) is located in the groove (303), and the latch (202) is located on the end face of the side wall of the first shell (2) facing the second shell (3).

6. The shell of a split switching power adapter of claim 5, wherein the sliding rail (201) comprises a first sliding rail (2011) and a second sliding rail (2012) respectively located at two sides of the latch (202), the sliding groove (301) comprises a first sliding groove (3011) and a second sliding groove (3012) respectively located at two sides of the groove (303), the first sliding rail (2011) slides in the first sliding groove (3011), and the second sliding rail (2012) slides in the second sliding groove (3012).

7. A split switching power adapter housing as claimed in claim 6, wherein the connecting block (4) comprises a first connecting block (401) and a second connecting block (402), the slot (5) comprises a first slot (501) and a second slot (502), the curved spring plate comprises a first curved spring plate and a second curved spring plate, the first connecting block (401) is connected to one end of the first slide rail (2011) and is clamped to the first slot (501) by the first curved spring plate, and the second connecting block (402) is connected to one end of the second slide rail (2012) and is clamped to the second slot (502) by the second curved spring plate.

8. A split switching power adapter housing according to claim 1, wherein the first housing (2) is provided with a hand-pull groove (203) on the outer surface of the side wall.

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