Reverse PCBA (Printed Circuit Board Assembly) board buckle type heat dissipation power adapter shell structure

By designing a snap-on heat dissipation power adapter shell structure, the problems of poor heat dissipation and unstable reliability when the PCBA board is mounted upside down are solved, achieving convenient installation and efficient heat dissipation.

CN223471804UActive Publication Date: 2025-10-24DONGGUAN CITY GANGQI ELECTRONICS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422859252.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-22
Publication Date
2025-10-24
Estimated Expiration
2034-11-22

AI Technical Summary

Technical Problem

The existing power adapter casings with reverse-mounted PCBA boards lack a snap-fit ​​design, resulting in poor heat dissipation and unstable reliability in drop tests.

Method used

Design a snap-on heat dissipation power adapter housing structure including a lower shell and an upper shell. By setting ribs and snap-on/disassembly mechanisms on the surfaces of the lower and upper shells, the upper and lower shells can be easily installed and disassembled. The heat dissipation effect is improved by the cooperation of springs and snaps.

Benefits of technology

It achieves stable installation and efficient heat dissipation of reverse-mounted PCBA boards, improves the reliability of drop tests, and can be easily disassembled without the need for external tools.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223471804U_ABST
    Figure CN223471804U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of power adapter shells, and discloses a reversely-installed PCBA board buckle type heat dissipation power adapter shell structure which comprises a lower shell and an upper shell, first convex ribs are fixedly connected to the surface of the lower shell at equal intervals, second convex ribs are fixedly connected to the surface of the upper shell at equal intervals, and a clamping mechanism is arranged in the lower shell. The upper shell and the lower shell are attached, at the moment, the bottom of the buckle makes contact with the top of the L-shaped block, when the upper shell and the lower shell continue to be attached, the buckle continues to move downwards, extrudes the L-shaped block, enables the L-shaped block to move and extrudes the spring at the same time, and when the upper shell and the lower shell are completely attached, the L-shaped block moves in the opposite direction through the elastic force of the spring. The L-shaped blocks are clamped in the buckles, the buckles are limited and fixed, the upper shell and the lower shell are further installed, the heat dissipation area of the lower shell and the heat dissipation area of the upper shell can be increased through the first convex ribs and the second convex ribs, and the heat dissipation capacity of the lower shell and the heat dissipation capacity of the upper shell are improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to power adapter shell technical field, concretely is a buckling type heat dissipation power adapter shell structure of reverse PCBA board. BACKGROUND

[0002] Some special power adapter PCBA board needs to be cooled, generally positive lower shell, temperature upward emission, again by upper shell block back, temperature forms cycle, causes part device temperature higher, ordinary positive lower shell cannot satisfy cooling effect, needs to reverse PCBA board to be installed in upper shell to satisfy cooling effect.

[0003] PCBA board temperature will be emitted upward, to the shell, but the existing reverse power adapter shell has no cooling structure, and the cooling effect is poor, so that the surface temperature of the reverse PCBA board shell is higher than that of the normal PCBA board shell. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a buckling type heat dissipation power adapter shell structure of reverse PCBA board to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a buckling type heat dissipation power adapter shell structure of reverse PCBA board, including lower shell and upper shell, the lower shell surface equidistance fixedly connected with first convex rib strip, the upper shell surface equidistance fixedly connected with second convex rib strip, the lower shell is provided with the clamping mechanism, the clamping mechanism left side is provided with the dismounting mechanism.

[0006] The clamping mechanism includes a fixed frame, the fixed frame is fixedly connected to the inner wall of the lower shell on both sides, the fixed frame is fixedly connected with the second fixed plate on the top of the inner wall, the first guide rod is arranged on the front and back of the second fixed plate, the first guide rod is fixedly connected with the limiting ring on the surface, the first fixed plate is fixedly connected to the top of the inner wall close to the second fixed plate, the spring is sleeved between the limiting ring and the first fixed plate on the surface of the first guide rod, the L block is fixedly connected to the end of the first guide rod away from the first fixed plate, and the buckle is fixedly connected to the inner wall of the upper shell on both sides.

[0007] Preferably, the second fixed plate is provided with a hole matched with the first guide rod on the front surface, and the first guide rod is connected to the hole by penetrating and sliding on the front and back of the hole.

[0008] Preferably, one end of the spring is fixedly connected to the limiting ring away from the second fixed plate, and the other end of the spring is fixedly connected to the first fixed plate close to the inner wall of the lower shell.

[0009] Preferably, grooves matched with the L-shaped blocks are formed in the front and back of the fixing frame, and the L-shaped blocks are throughly and slidably connected in the grooves.

[0010] Preferably, the dismounting mechanism comprises a third fixed plate, the third fixed plate is fixedly connected to the left side of the fixing frame in a front-rear symmetry mode, a second guide rod is fixedly connected to the side of the third fixed plate away from the inner wall of the lower shell, two hinged plates are slidably connected to the surface of the second guide rod in a front-rear symmetry mode, a hinged rod is hinged to the left side of the hinged plate, a hinged frame is hinged to the other end of the hinged rod, a slide strip is fixedly connected to the left side of the hinged frame, and a pull plate is fixedly connected to the left side of the slide strip.

[0011] Preferably, the hinged plate is fixedly connected to the left side of the L-shaped block.

[0012] Preferably, a groove matched with the slide strip is formed in the left side of the upper shell, and the surface of the slide strip is throughly and slidably connected in the groove.

[0013] Compared with the prior art, the utility model provides a reverse PCBA board buckle type heat dissipation power adapter shell structure, has the following beneficial effects:

[0014] The reverse PCBA board buckle type heat dissipation power adapter shell structure, through the clamping mechanism, the upper shell and the lower shell are pasted, the bottom of the buckle and the top of the L-shaped block are contacted at this time, when the upper shell and the lower shell continue to be pasted, the buckle will continue to move downwards, the L-shaped block is extruded, the L-shaped block moves, and the spring is extruded, when the upper shell and the lower shell are completely pasted, the L-shaped block moves in the opposite direction through the elastic force of the spring, so that the L-shaped block is clamped in the buckle, the buckle is fixed and limited, and the upper shell and the lower shell are further installed, the installation mode can be more convenient for installing the upper shell and the lower shell, and the first convex rib and the second convex rib can increase the heat dissipation area of the lower shell and the upper shell and improve the heat dissipation capacity of the lower shell and the upper shell.

[0015] The reverse PCBA board buckle type heat dissipation power adapter shell structure, when the upper shell and the lower shell are dismounted through the dismounting mechanism, the slide strip moves to the left by pulling the pull plate, so that the hinged frame moves to the left, the two hinged plates on the surface of the second guide rod move towards each other through the cooperation of the hinged rod, so that the two L-shaped blocks move towards each other, the L-shaped block moves away from the buckle, so that the L-shaped block and the buckle are separated, and then the lower shell and the upper shell are dismounted, the dismounting mode is more convenient, and no external dismounting tool is needed. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings described below are only some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor based on these drawings.

[0017] Figure 1 It is a three-dimensional schematic view of the structure of the present application.

[0018] Figure 2 It is a three-dimensional schematic view of the structure of the present application.

[0019] Figure 3 It is a three-dimensional schematic view of the structure of the present application.

[0020] Figure 4 It is a three-dimensional schematic view of the structure of the present application. Figure 3 It is a three-dimensional schematic view of the structure of the present application.

[0021] Figure 5 It is a three-dimensional schematic view of the structure of the present application.

[0022] In the figure: 1, lower shell; 2, upper shell; 3, first rib; 4, second rib; 5, clamping mechanism; 51, fixed frame; 52, first fixed plate; 53, first guide rod; 54, limiting ring; 55, spring; 56, L block; 57, buckle; 58, second fixed plate; 6, dismounting mechanism; 61, third fixed plate; 62, second guide rod; 63, hinged plate; 64, hinge rod; 65, hinge frame; 66, slide bar; 67, pull plate. DETAILED DESCRIPTION

[0023] The technical solutions of the embodiments of the present application will be described clearly and completely below in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0024] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] The utility model provides the following technical scheme:

[0026] Embodiment one, please refer to Figures 1-4 The utility model provides a technical scheme: a reverse installation PCBA board buckle type heat dissipation power adapter shell structure, including lower shell 1 and upper shell 2, the surface equidistance fixed connection of lower shell 1 has first convex rib 3, the surface equidistance fixed connection of upper shell 2 has second convex rib 4, and the inside of lower shell 1 is provided with the clamping mechanism 5, and the left side of clamping mechanism 5 is provided with the dismounting mechanism 6;

[0027] Clamping mechanism 5 includes fixed frame 51, and fixed frame 51 is fixedly connected to the inner wall of lower shell 1 two sides, and the top of fixed frame 51 is fixedly connected with second fixed plate 58, and the front and rear symmetry of second fixed plate 58 is provided with first guide rod 53, and the surface of first guide rod 53 is fixedly connected with limiting ring 54, and the top of fixed frame 51 is fixedly connected with first fixed plate 52 close to second fixed plate 58, and the surface of first guide rod 53 is sleeved with spring 55 between limiting ring 54 and first fixed plate 52, and the end of first guide rod 53 away from first fixed plate 52 is fixedly connected with L block 56, and the inner wall of upper shell 2 two sides is fixedly connected with buckle 57.

[0028] The front of second fixed plate 58 is provided with the hole matched with first guide rod 53, and the surface of first guide rod 53 is connected in the hole and is slidably connected.

[0029] One end of spring 55 is fixedly connected to the side of limiting ring 54 away from second fixed plate 58, and the other end of spring 55 is fixedly connected to the side of first fixed plate 52 close to the inner wall of lower shell 1.

[0030] The two sides of fixed frame 51 are provided with the groove matched with L block 56, and the surface of L block 56 is connected in the groove and is slidably connected, and the bottom of buckle 57 is inclined, and L block 56 is conveniently clamped in buckle 57.

[0031] Embodiment two, please refer to Figure 5 And on the basis of embodiment one, further get dismounting mechanism 6.

[0032] Dismounting mechanism 6 includes third fixed plate 61, and third fixed plate 61 is fixedly connected to the left side of fixed frame 51 and is front and rear symmetry, and the side of third fixed plate 61 away from the inner wall of lower shell 1 is fixedly connected with second guide rod 62, and the surface of second guide rod 62 is slidably connected with hinged plate 63 and is front and rear symmetry, and the left side of hinged plate 63 is hingedly connected with hinged rod 64, and the other end of hinged rod 64 is hingedly connected with hinged frame 65, and the left side of hinged frame 65 is fixedly connected with slide strip 66, and the left side of slide strip 66 is fixedly connected with pull plate 67.

[0033] The right side of hinged plate 63 is fixedly connected to the left side of L block 56.

[0034] The upper shell 2 is provided with a groove matched with the slide bar 66 on the left side, and the slide bar 66 is connected to the groove through the surface and slides left and right.

[0035] In actual operation, when the device is used, the upper shell 2 is attached to the lower shell 1, at this time, the bottom of the buckle 57 is in contact with the top of the L-shaped block 56, when the upper shell 2 and the lower shell 1 continue to be attached, the buckle 57 will continue to move downward, extruding the L-shaped block 56, so that the L-shaped block 56 moves, at the same time, the spring 55 is extruded, when the upper shell 2 and the lower shell 1 are completely attached, the L-shaped block 56 will move in the opposite direction by the elastic force of the spring 55, so that the L-shaped block 56 is clamped in the buckle 57, and the buckle 57 is limited and fixed, further installing the upper shell 2 and the lower shell 1, the installation method can make the installation of the upper shell 2 and the lower shell 1 more convenient, and the first and second protruding rib bars 3 and 4 can increase the heat dissipation area of the lower shell 1 and the upper shell 2, and improve the heat dissipation capacity of the lower shell 1 and the upper shell 2;

[0036] When the upper shell 2 and the lower shell 1 are disassembled, the pull plate 67 is pulled, so that the slide bar 66 moves to the left, thereby moving the hinge frame 65 to the left, the hinge frame 65 moves the two hinge plates 63 on the surface of the second guide rod 62 through the cooperation of the hinge rod 64, thereby moving the two L-shaped blocks 56 to each other, so that the L-shaped block 56 moves away from the buckle 57, thereby separating the L-shaped block 56 and the buckle 57, and then disassembling the lower shell 1 and the upper shell 2, the disassembly method is more convenient, without the aid of external disassembly tools.

[0037] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Moreover, the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or equipment. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article or equipment including the element.

Claims

1. A reverse-mounted PCBA board buckle type heat dissipation power adapter shell structure, comprising a lower shell (1) and an upper shell (2), characterized in that: The lower shell (1) surface equidistant fixed connection has first convex muscle strip (3), the upper shell (2) surface equidistant fixed connection has second convex muscle strip (4), the lower shell (1) is provided with the clamping mechanism (5), the clamping mechanism (5) left side is provided with the dismounting mechanism (6); The clamping mechanism (5) includes a fixed frame (51), the fixed frame (51) is fixedly connected to the inner wall of the lower shell (1) on both sides, the fixed frame (51) is fixedly connected with a second fixed plate (58) on the top inside, the second fixed plate (58) is provided with a first guide rod (53) on the front and back of the front, the first guide rod (53) is fixedly connected with a limiting ring (54) on the surface, the first guide rod (53) is fixedly connected with an L block (56) on one end away from the first fixed plate (52), and the upper shell (2) is fixedly connected with a buckle (57) on both sides of the inner wall.

2. The reverse-mounted PCBA board buckle type heat dissipation power adapter shell structure according to claim 1, characterized in that: The second fixed plate (58) is provided with a hole matched with the first guide rod (53) on the front, and the first guide rod (53) penetrates the hole and is connected with the hole through sliding.

3. The reverse-mounted PCBA board buckle type heat dissipation power adapter shell structure according to claim 1, characterized in that: One end of the spring (55) is fixedly connected to the limiting ring (54) away from the second fixed plate (58), and the other end of the spring (55) is fixedly connected to the first fixed plate (52) close to the inner wall of the lower shell (1).

4. The reverse-mounted PCBA board buckle type heat dissipation power adapter shell structure according to claim 1, characterized in that: The fixed frame (51) is provided with a groove matched with the L block (56) on both sides, and the L block (56) penetrates the groove and is connected with the groove through sliding.

5. The reverse-mounted PCBA board buckle type heat dissipation power adapter shell structure according to claim 1, characterized in that: The dismounting mechanism (6) includes a third fixed plate (61), the third fixed plate (61) is fixedly connected to the left side of the fixed frame (51) in a front-back symmetrical manner, the third fixed plate (61) is fixedly connected with a second guide rod (62) on one side away from the inner wall of the lower shell (1), the second guide rod (62) is slidably connected with a hinged plate (63) on the front and back of the surface, the hinged plate (63) is hingedly connected with a hinged rod (64) on the left side, the hinged rod (64) is hingedly connected with a hinged frame (65) on the other end, the hinged frame (65) is fixedly connected with a slide bar (66) on the left side, and the slide bar (66) is fixedly connected with a pull plate (67) on the left side.

6. The reverse-mounted PCBA board buckle type heat dissipation power adapter shell structure according to claim 5, characterized in that: The hinged plate (63) is fixedly connected to the left side of the L block (56).

7. The reverse mounted PCBA board snap-on heat dissipation power adapter housing structure according to claim 5, characterized in that: The upper shell (2) is provided with a groove matched with the slide bar (66) on the left side, and the slide bar (66) penetrates the groove and is connected with the groove through sliding.