CN210958174U

CN210958174U - High-power modularized power adapter plastic shell structure

Info

Publication number: CN210958174U
Application number: CN201922066290.0U
Authority: CN
Inventors: 王楚才
Original assignee: Shenzhen Pengchu Industry Co ltd
Current assignee: Shenzhen Pengchu Industry Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-07-07
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a high-power modularization power adapter moulds shell structure belongs to the power adapter field, including lower casing, the top of casing is provided with the casing down, the inner wall bottom fixedly connected with quantity of casing is two location rails down, the inner wall joint of location rail has positioner, positioner's top is provided with circuit board assembly, U type groove has all been seted up to the both sides of casing down, one side fixedly connected with connector lug of circuit board assembly, circuit board assembly's opposite side is provided with the socket, connector lug and socket are located the inside in two U type grooves respectively. The utility model provides an use the screw fixation circuit board, need use four screws at least, because the volume of screw is less, in the assembling process, in case the screw is lost, just lead to the unable equipment of adapter, follow-up new screw of looking for also delays the problem of packaging efficiency.

Description

High-power modularized power adapter plastic shell structure

Technical Field

The utility model relates to a power adapter field, more specifically say, relate to a high-power modularization power adapter moulds shell structure.

Background

The power adapter is a power supply conversion device of small portable electronic equipment and electronic appliances, generally comprises components such as a shell, a transformer, an inductor, a capacitor, a control IC (integrated circuit), a PCB (printed circuit board) and the like, and the working principle of the power adapter is that alternating current input is converted into direct current output; according to the connection mode, the device can be divided into a wall-inserting type and a desktop type. The intelligent anti-theft device is widely matched with security cameras, set top boxes, routers, light bars, massage instruments and other equipment.

The existing high-power adapter mostly selects tools such as screws to mount a circuit board in the mounting process, although the circuit board can be mounted well, at least four screws are needed, the size of the screws is small, once the screws are lost in the assembling process, the adapter cannot be assembled, new screws are found subsequently, and the assembling efficiency is delayed.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims at providing a shell structure is moulded to high-power modularization power adapter aims at solving and uses the fix with screw circuit board, need use four screws at least, because the volume of screw is less, in the assembling process, in case the screw is lost, just leads to the unable equipment of adapter, and follow-up new screw of looking for also delays the problem of packaging efficiency.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a high-power modularization power adapter moulds shell structure, includes casing down, the top of casing is provided with the casing down, the inner wall bottom fixedly connected with quantity of casing is two location rail down, the inner wall joint of location rail has positioner, positioner's top is provided with circuit board assembly, U type groove has all been seted up to the both sides of casing down, one side fixedly connected with connector lug of circuit board assembly, circuit board assembly's opposite side is provided with the socket, connector lug and socket are located the inside in two U type grooves respectively, the equal fixedly connected with U template in bottom both sides of going up the casing, U template and U type groove joint, and connector lug and socket all are located the inside of U template.

Preferably, the inner wall bottom fixedly connected with of casing is located U type fin between two location rails down, the top and the circuit board subassembly of U type fin do not have pressure contact to go, the ventilation hole with U type fin intercommunication is all seted up to the both sides of casing down, and the inner wall in ventilation hole is provided with the dust screen.

Preferably, positioner is including U type card, the inner wall top fixedly connected with installation piece of U type card, the mounting groove has all been seted up to the both sides of installation piece, the inner wall fixedly connected with spring of mounting groove, the one end fixedly connected with triangle fixture block of spring, triangle fixture block runs through mounting groove and joint in the inside of location rail.

Preferably, the both sides of U template all are provided with spacing, and the inside of casing down sets up the spacing groove with U type groove intercommunication, spacing and spacing groove phase-match.

Preferably, slots are formed in the front face and the back face of the inner wall of the lower shell, and the bottom of the upper shell is fixedly connected with an inserting plate corresponding to the slots.

Preferably, the top of the U-shaped radiating fin is fixedly connected with a heat-conducting silica gel block.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) the scheme is that the positioning device is arranged at the bottom of the circuit board assembly, when the circuit board assembly is arranged in the lower shell, the connector lugs and the sockets at two sides of the circuit board assembly are respectively arranged in the U-shaped groove, the circuit board assembly is pressed downwards, the inner wall of the positioning rail extrudes the triangular clamping block in the process of moving the circuit board assembly downwards, so that the triangular clamping block cannot cause excessive obstruction to the downward movement of the circuit board assembly, when the circuit board assembly is arranged in place, the triangular clamping block is ejected out by the spring to be clamped in the positioning rail, so that the U-shaped clamp cannot move upwards, the circuit board assembly can be fixed in the lower shell, the fixing effect is good, then the U-shaped plate at the bottom of the upper shell is aligned with the U-shaped groove, the upper shell is pressed downwards, so that the connector lugs and the sockets are clamped by the U-shaped plate, and then the upper shell is fixed by using tools such as screws, the installation of the circuit board is more convenient and faster, the problem that the circuit board is fixed by using screws, at least four screws are needed to be used, and due to the fact that the size of the screws is small, once the screws are lost in the assembling process, the adapter cannot be assembled, new screws are found subsequently, and the assembling efficiency is delayed is solved.

(2) This high-power modularization power adapter moulds shell structure, through setting up U type fin, in the U type fin can be conducted to the heat of circuit board subassembly bottom, the air of the inside of cooperation ventilation hole and U type fin flows, the in-process that flows can carry the heat to the casing outside down, thereby played and carried out radiating effect to circuit board subassembly, the dust screen then plays the effect of separation dust, it is inboard to avoid dust etc. to enter into U type fin, and set up heat conduction silica gel piece at the top of U type fin, heat conduction silica gel piece texture is softer, when guaranteeing heat conduction effect, prevent that U type fin and circuit board subassembly from taking place to collide with.

Drawings

FIG. 1 is an exploded view of the present invention;

fig. 2 is a schematic structural view of the lower housing of the present invention;

FIG. 3 is a schematic structural view of the positioning device of the present invention;

fig. 4 is a schematic view of the connection between the positioning device and the circuit board assembly according to the present invention;

FIG. 5 is a side view of the U-shaped heat sink of the present invention;

fig. 6 is an enlarged view of a portion a in fig. 1 according to the present invention.

The reference numbers in the figures illustrate:

1. a lower housing; 2. an upper housing; 3. positioning the rail; 4. a positioning device; 41. a U-shaped card; 42. mounting blocks; 43. mounting grooves; 44. a spring; 45. a triangular clamping block; 5. a circuit board assembly; 6. a U-shaped groove; 7. a connector lug; 8. a socket; 9. a U-shaped plate; 10. a U-shaped heat sink; 11. a dust screen; 12. a limiting strip; 13. a limiting groove; 14. and a heat-conducting silica gel block.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-6, a plastic housing structure of a high-power modular power adapter comprises a lower housing 1, an upper housing 2 is disposed on the top of the lower housing 1, two positioning rails 3 are fixedly connected to the bottom of the inner wall of the lower housing 1, a positioning device 4 is clamped to the inner wall of the positioning rails 3, the positioning device 4 includes a U-shaped clip 41, a mounting block 42 is fixedly connected to the top of the inner wall of the U-shaped clip 41, mounting grooves 43 are respectively formed on both sides of the mounting block 42, a spring 44 is fixedly connected to the inner wall of the mounting groove 43, a triangular clip block 45 is fixedly connected to one end of the spring 44, the triangular clip 45 penetrates through the mounting groove 43 and is clamped inside the positioning rails 3, a circuit board assembly 5 is disposed on the top of the positioning device 4, the circuit board assembly 5 is the most important part of the power adapter and is composed of a circuit mounting, therefore do not describe repeatedly, U type groove 6 has all been seted up to casing 1's both sides down, one side fixedly connected with connector lug 7 of circuit board subassembly 5, and circuit board subassembly 5's opposite side is provided with socket 8, and connector lug 7 and socket 8 are located the inside in two U type grooves 6 respectively, go up the equal fixedly connected with U template 9 in bottom both sides of casing 2, U template 9 and the 6 joint in U type groove, and connector lug 7 and socket 8 all are located the inside of U template 9.

Further, the bottom of the inner wall of the lower shell 1 is fixedly connected with a U-shaped radiating fin 10 positioned between the two positioning rails 3, the top of the U-shaped radiating fin 10 is in non-pressure contact with the circuit board assembly 5, both sides of the lower shell 1 are provided with vent holes communicated with the U-shaped radiating fin 10, the inner wall of each vent hole is provided with a dust screen 11, the top of the U-shaped radiating fin 10 is fixedly connected with a heat-conducting silica gel block 14, through the arrangement of the U-shaped radiating fin 10, heat at the bottom of the circuit board assembly 5 can be conducted into the U-shaped radiating fin 10, the heat can be carried to the outside of the lower shell 1 in the air flowing process by matching with the vent holes and the air flowing inside the U-shaped radiating fin 10, so that the heat can be radiated by the circuit board assembly 5, the dust screen 11 plays a role in blocking dust, dust and the like are prevented from entering the inner side of the, the heat-conducting silica gel block 14 is soft in texture, and prevents the U-shaped radiating fin 10 from colliding with the circuit board assembly 5 while ensuring the heat-conducting effect.

Further, the both sides of U template 9 all are provided with spacing 12, and the inside of casing 1 down set up with the spacing groove 13 of U type groove 6 intercommunication, spacing 12 and spacing groove 13 phase-match, when blocking U template 9 at U type groove 6 inner wall, spacing 12 card is at spacing groove 13 inner wall, can make the joint effect between U template 9 and U type groove 6 better, and not just increased the sealing performance of joint department.

Further, the slots are formed in the front face and the back face of the inner wall of the lower shell 1, the bottom of the upper shell 2 is fixedly connected with the inserting plate corresponding to the slots, and alignment between the upper shell 2 and the lower shell 1 is facilitated.

The working principle is as follows: when the circuit board assembly 5 is arranged in the lower shell 1, the connector lugs 7 and the sockets 8 on two sides of the circuit board assembly 5 are respectively arranged in the U-shaped grooves 6, the circuit board assembly 5 is pressed downwards, the inner walls of the positioning rails 3 extrude the triangular clamping blocks 45 in the process that the circuit board assembly 5 moves downwards, so that the triangular clamping blocks 45 cannot cause overlarge obstruction to the downward movement of the circuit board assembly 5, when the circuit board assembly 5 is arranged in place, the triangular clamping blocks 45 are ejected out by the springs 44 to be clamped in the positioning rails 3, so that the U-shaped clamps 41 cannot move upwards, the circuit board assembly 5 can be fixed in the lower shell 1 at the moment, the fixing effect is good, then the U-shaped plate 9 at the bottom of the upper shell 2 is aligned with the U-shaped grooves 6, the upper shell 2 is pressed downwards, so that the connector lugs 7 and the sockets 8 are clamped by the U-shaped plate 9, and then the upper shell 2 is fixed by using tools such as screws, and the, the installation of the circuit board is more convenient and faster, the problem that the circuit board is fixed by using screws, at least four screws are needed to be used, and due to the fact that the size of the screws is small, once the screws are lost in the assembling process, the adapter cannot be assembled, new screws are found subsequently, and the assembling efficiency is delayed is solved.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a high-power modularization power adapter moulds shell structure, includes lower casing (1), the top of lower casing (1) is provided with upper housing (2), its characterized in that: the utility model discloses a circuit board assembly, including casing (1), inner wall, locating rail (3) and socket (8), the inner wall joint of lower casing (1) is two locating rail (3), the inner wall joint of locating rail (3) has positioner (4), the top of positioner (4) is provided with circuit board assembly (5), U type groove (6) have all been seted up to the both sides of casing (1) down, one side fixedly connected with connector lug (7) of circuit board assembly (5), the opposite side of circuit board assembly (5) is provided with socket (8), connector lug (7) and socket (8) are located the inside of two U type grooves (6) respectively, go up the equal fixedly connected with U template (9) in bottom both sides of casing (2), U template (9) and U type groove (6) joint, and connector lug (7) and socket (8) all are located the inside of U template (9).

2. The plastic housing structure of the high power modular power adapter of claim 1, wherein: the inner wall bottom fixedly connected with of casing (1) is located U type fin (10) between two location rails (3) down, the top and circuit board subassembly (5) no pressure contact of U type fin (10) go, the ventilation hole with U type fin (10) intercommunication is all seted up to the both sides of casing (1) down, and the inner wall in ventilation hole is provided with dust screen (11).

3. The plastic housing structure of the high power modular power adapter of claim 1, wherein: positioner (4) are including U type card (41), inner wall top fixedly connected with installation piece (42) of U type card (41), mounting groove (43) have all been seted up to the both sides of installation piece (42), the inner wall fixedly connected with spring (44) of mounting groove (43), the one end fixedly connected with triangle fixture block (45) of spring (44), triangle fixture block (45) run through mounting groove (43) and joint in the inside of positioning rail (3).

4. The plastic housing structure of the high power modular power adapter of claim 1, wherein: the both sides of U template (9) all are provided with spacing (12), and the inside of casing (1) down seted up with spacing groove (13) of U type groove (6) intercommunication, spacing (12) and spacing groove (13) phase-match.

5. The plastic housing structure of the high power modular power adapter of claim 1, wherein: slots are formed in the front face and the back face of the inner wall of the lower shell (1), and inserting plates corresponding to the slots are fixedly connected to the bottom of the upper shell (2).

6. The plastic housing structure of the high power modular power adapter of claim 2, wherein: the top of the U-shaped radiating fin (10) is fixedly connected with a heat-conducting silica gel block (14).