Half-glue-pouring power supply bottom shell with assembly cavity structure
By designing a combination of insulating plate and retaining shell with assembled cavity structure in the semi-glue-filled power bottom shell, the problem of inadequate gap plastering caused by potting glue is solved, and higher quality stability and production economy are achieved.
Patent Information
- Application Number
- CN202421762869.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-24
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-07-24
AI Technical Summary
The gaps in the connections of the existing semi-filled glue power shells are insufficient, resulting in overflow of the potting glue and poses a quality risk.
A semi-filled power supply bottom shell with assembled cavity structure is designed, and a combined structure of insulating plate and retaining shell is used to form a U-shaped structure through the backing part and bending line to ensure that the potting glue is filled in the cavity and avoid glueing at the gaps at the connection.
It effectively avoids the overflow of potting glue, improves the quality stability of the power supply, reduces the uncertainty brought by plastering, and improves the economicality of production.
Smart Images

Figure CN222852493U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of power supply shells, in particular to a semi-potted power supply bottom shell with an assembled cavity structure. Background Art
[0002] The power supply shell is an important part of the power supply equipment. It not only protects the electronic components inside the power supply, but also involves the heat dissipation, appearance and structural stability of the power supply. The semi-potted power supply shell is a half or part of the power supply shell filled or encapsulated with special colloid materials to protect the electronic components inside the power supply, improve the heat dissipation performance of the power supply, and enhance the mechanical strength and impact resistance of the power supply.
[0003] like Figure 1 As shown in the figure, the installation method of the plastic baffles on both sides of the casing of most semi-potted power supplies on the market and the method of sealing with glue are as follows: the casing profile is a cavity with openings at both ends and the top, and plastic baffles are used at both ends of the cavity to block the power supply potting glue, and glue is applied to the gap at the connection between the casing profile and the plastic baffle. If the gap is missed or the gap is not properly applied, it will cause the power supply potting glue to overflow later, which has certain quality risks. Utility Model Content
[0004] The technical problem to be solved by the utility model is: to overcome the quality risk caused by insufficient glue application at the gap between the shell profile and the plastic baffle in the prior art, which leads to overflow of the power supply potting glue, and to provide a semi-potted power supply bottom shell with an assembled cavity structure, which can avoid the need for glue application at the gap at the connection.
[0005] The technical solution adopted by the utility model to solve its technical problems is: a semi-potted power supply bottom shell with an assembled cavity structure, including a bottom shell body, an insulating shell is arranged on the inner wall of the bottom shell body, and the insulating shell is an insulating plate after being flattened, and the two ends of the insulating plate are prefabricated with backing glue parts, and bending lines are arranged on both sides of the insulating plate, which are folded upward along the bending lines to form the side walls of the insulating shell, and the backing glue part forms a U-shaped structure, the backing glue part of the U-shaped structure cooperates with a stop shell and is bonded to form a cavity with an upper opening, and potting glue is filled in the cavity.
[0006] Furthermore, the retaining shell has a bottom plate, two side plates, and a front end plate connected between the two side plates to form a continuous bending structure, the bottom plate is provided with a first connecting hole, and the adhesive backing portion is provided with a second connecting hole corresponding to the first connecting hole. The retaining shell is ensured not to be biased by finding the corresponding second connecting hole through the first connecting hole.
[0007] Furthermore, a third connecting hole is opened in the middle of the front end plate, and a waterproof ring is installed in the third connecting hole.
[0008] Furthermore, the waterproof ring has a mounting portion, and the mounting portion is provided with a slot that matches the third connecting hole. The slot matches the third connecting hole to ensure the effectiveness of the connection between the waterproof ring and the retaining shell.
[0009] Furthermore, the waterproof ring is provided with wire lead-out holes penetrating through both end surfaces thereof, so as to ensure that the wires are routed in an orderly manner.
[0010] Furthermore, a notch for placing adhesive is provided on the bottom surface of the cavity, and the cavity is connected to the bottom shell body through the adhesive. The connection through the adhesive is quick and effective.
[0011] Furthermore, the bottom wall of the cavity is provided with a plurality of limiting holes, and the bottom shell body is provided with rivet posts extending into the limiting holes. The cavity and the bottom shell body are connected by the rivet posts to further ensure effective connection.
[0012] Furthermore, the bottom shell body is a U-shaped profile.
[0013] Furthermore, the insulating plate is made of PP, PC or PET, and the adhesive of the adhesive backing part is made of double-sided tape or glue.
[0014] Furthermore, the material of the baffle shell is nylon, PC or ABS.
[0015] The beneficial effects of the utility model are as follows: compared with the prior art, the utility model adds an insulating plate, on which a back glue portion and a bending line are arranged, and after the baffle shell is placed on the back glue portion, the baffle shell is folded upward along the bending line to limit the position and bonded to the bottom shell body, thereby forming a cavity, which is placed in and bonded to the bottom shell body, and the cavity is filled with potting glue, thereby eliminating the need for glue smearing at the gaps at the later connection points, thereby improving the economic efficiency; the gaps between the raw materials can be better controlled, the uncertainty caused by glue smearing can be reduced, and the omission of potting glue in the later stage can be avoided. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.
[0017] Figure 1 The utility model relates to a glue-filling structure for installing a semi-glue-filled power supply housing and a plastic baffle in the prior art.
[0018] Figure 2 It is a structural schematic diagram of the utility model.
[0019] Figure 3 It is an assembly diagram of the insulating plate and the retaining shell in the utility model.
[0020] Figure 4 It is a partial structural schematic diagram of the cavity of the utility model.
[0021] Figure 5 yes Figure 4 Schematic diagram of the enlarged structure at point A in the middle.
[0022] Figure 6 This is a schematic diagram of the structure of the cavity of the utility model
[0023] Figure 7 yes Figure 6 Schematic diagram of the structure in another direction.
[0024] Figure 8 It is a schematic structural diagram of the utility model after the cavity and the bottom shell body are assembled.
[0025] Fig. 9 It is a structural schematic diagram of the utility model for installing wires and some electronic components.
[0026] In the figure: 1. bottom shell body, 11. rivet column, 2. insulating plate, 20. cavity, 21. adhesive backing part, 211. second connecting hole, 22. bending line, 23. notch, 24. limiting hole, 3. baffle shell, 31. bottom plate, 311. first connecting hole, 32. side plate, 33. front end plate, 331. third connecting hole, 4. potting glue, 5. waterproof ring, 51. slot, 52. wire lead-out hole, 6. wire. DETAILED DESCRIPTION
[0027] The present invention is now further described in conjunction with the accompanying drawings. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.
[0028] like Figure 2 to Figure 4 As shown, a semi-potted power supply bottom shell with an assembled cavity structure includes a bottom shell body 1, and the bottom shell body 1 is a U-shaped profile. An insulating shell is provided on the inner wall of the bottom shell body 1, and the insulating shell is an insulating plate 2 after being flattened. The insulating plate 2 has no limit on thickness and material, and is generally made of PP, PC or PET. The two ends of the insulating plate 2 are prefabricated with adhesive parts 21, and the adhesive of the adhesive part 21 is not limited to the material, and can generally be made of 3M double-sided adhesive, ordinary double-sided adhesive or other adhesives, and bending lines 22 are provided on both sides of the insulating plate 2, which are folded upward along the bending lines 22 to form the side walls of the insulating shell, and the adhesive part 21 forms a U-shaped structure. The adhesive part 22 of the U-shaped structure cooperates with a stop shell 3 and is bonded to form a cavity 20 with an upper opening, and the cavity 20 is filled with potting glue 4.
[0029] like Figure 3As shown, the retaining shell 3 has a bottom plate 31, two side plates 32, and a front end plate 33 connected between the two side plates 32 to form a continuous bending structure. The retaining shell 3 can be made of nylon, PC, or ABS. A first connecting hole 311 is provided on the bottom plate 31, and a second connecting hole 211 is provided on the adhesive backing portion 21 of the insulating plate 2 corresponding to the first connecting hole 311. The second connecting hole 211 can be bonded to the first connecting hole 311 by aligning the hole positions of the second connecting hole 211, or by other foolproof bonding methods. After the insulating plate 2 is folded upward along the bending line 22, it is bonded to the side plate 32 of the retaining shell 3.
[0030] like Figure 5 As shown, a third connection hole 331 is provided in the middle of the front end plate 33, and a waterproof ring 5 is installed in the third connection hole 331. The material of the waterproof ring 5 is preferably silicone. The waterproof ring 5 has a mounting portion, and a card slot 51 is provided on the mounting portion to match the third connection hole 331. The waterproof ring 5 is provided with wire lead-out holes 52 that pass through its two end surfaces.
[0031] like Figure 6 and Figure 7 As shown, a notch 23 for placing adhesive is provided on the bottom surface of the cavity 20, and the cavity 20 is connected to the bottom shell body 1 through the adhesive. Figure 8 As shown, the bottom wall of the cavity 20 is also provided with a plurality of limiting holes 24, and the bottom shell body 1 is provided with rivet posts 11 extending into the limiting holes 24. The cavity 20 and the bottom shell body 1 are connected by the rivet posts 11 to further ensure the effective connection, and other limiting methods, such as a three-jaw chuck, etc., can also be used.
[0032] like Fig. 9 As shown, wires and electronic components need to be installed before potting, and the wires pass through the wire 6 lead-out hole 52 of the waterproof ring 5, and then potting the glue to form a Figure 2 The structure shown.
[0033] The above-mentioned implementation mode is only for illustrating the technical concept and features of the utility model, and its purpose is to enable people familiar with this technology to understand the content of the utility model and implement it. It cannot be used to limit the protection scope of the utility model. All equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.
Claims
1. A semi-potted power supply bottom shell with an assembly cavity structure, comprising a bottom shell body (1), characterized in that: An insulating shell is provided on the inner wall of the bottom shell body (1), and the insulating shell is formed into an insulating plate (2) when flattened, and adhesive backing parts (21) are prefabricated at both ends of the insulating plate (2), and bending lines (22) are provided on both sides of the insulating plate (2), and the side walls of the insulating shell are folded upward along the bending lines (22), and the adhesive backing part (21) forms a U-shaped structure, and the adhesive backing part (21) of the U-shaped structure cooperates with a stop shell (3) and is bonded to form a cavity (20) with an upper opening, and the cavity (20) is filled with potting glue (4).
2. The semi-potted power supply chassis with an assembly cavity structure according to claim 1, characterized in that: The retaining shell (3) comprises a bottom plate (31), two side plates (32) and a front end plate (33) connected between the two side plates (32) to form a continuous bending structure; a first connecting hole (311) is provided on the bottom plate (31); and a second connecting hole (211) is provided on the adhesive backing portion (21) corresponding to the first connecting hole (311).
3. The semi-potted power supply chassis with an assembly cavity structure according to claim 2, characterized in that: A third connection hole (331) is provided in the middle of the front end plate (33), and a waterproof ring (5) is installed in the third connection hole (331).
4. The semi-potted power supply chassis with an assembly cavity structure according to claim 3, characterized in that: The waterproof ring (5) has a mounting portion, and a slot (51) is provided on the mounting portion to match the third connection hole (331).
5. The semi-potted power supply chassis with an assembly cavity structure according to claim 3, characterized in that: The waterproof ring (5) is provided with wire lead-out holes (52) penetrating through both end surfaces thereof.
6. The semi-potted power supply chassis with an assembly cavity structure according to claim 1, characterized in that: A notch (23) for placing adhesive is provided on the lower bottom surface of the cavity (20), and the cavity (20) is connected to the bottom shell body (1) via the adhesive.
7. The semi-potted power supply chassis with an assembly cavity structure according to claim 6, characterized in that: A plurality of limiting holes (24) are also provided on the bottom wall of the cavity (20), and a rivet post (11) extending into the limiting holes (24) is provided on the bottom shell body (1).
8. The semi-potted power supply chassis with an assembly cavity structure according to claim 1, characterized in that: The bottom shell body (1) is a U-shaped profile.
9. The semi-potted power supply chassis with an assembly cavity structure according to claim 1, characterized in that: The insulating plate (2) is made of PP, PC or PET, and the adhesive of the adhesive backing part is made of double-sided adhesive or glue.
10. The semi-potted power supply chassis with an assembly cavity structure according to claim 1, characterized in that: The material of the retaining shell (3) is nylon, PC or ABS.