PCB reinforcing structure

By setting a rigid plate between the stator injection molding machine and the PCB board and fixing it with hot melt adhesive, the problem of poor bonding strength between the stator injection molding machine and the PCB board is solved, and convenient assembly and waterproofing are achieved.

CN223786247UActive Publication Date: 2026-01-09SUZHOU SENYUAN TONGWEI TECH CO LTD
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Patent Information

Application Number
CN202520154967.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2026-01-09
Estimated Expiration
2035-01-23

AI Technical Summary

Technical Problem

The welding method used to fix the stator injection molding package to the PCB board results in poor bonding strength, making it prone to detachment and affecting its use.

Method used

A rigid plate is installed between the stator injection molding machine and the PCB board, and the connection is fixed by hot melt adhesive, combined with a center sleeve and welding column for reinforcement.

Benefits of technology

It achieves convenient assembly and improved assembly strength, while also being waterproof.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223786247U_ABST
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Abstract

The utility model provides a PCB reinforcing structure which comprises a stator injection package and a PCB, a hard board is arranged between the stator injection package and the PCB, and the hard board and the stator injection package are fixedly connected through hot melt adhesive. The beneficial effects of the utility model are that through the structure that the hard board is additionally arranged between the stator injection package and the PCB, convenient assembly is realized, the assembly strength is improved, and the hard board is combined with the stator injection package in a hot melting manner, so that the waterproof treatment of the assembled finished product is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model mainly relates to fan motor technical field, concretely relates to a PCB reinforcing structure. BACKGROUND

[0002] Fan is electric drive inside matching weight fan blade rotation turns into natural wind to reach air flow, heat dissipation cooling purpose, is widely used in electronic devices, cooling devices, household environment, car interior and other fields, by the control circuit of PCB board control stator shot package coil conduction and produce internal excitation, make the rotor fan blade with the coil located outside the stator shot package rotates around the shaft, the stator shot package and PCB board are combined and assembled into fan motor assembly, it is favorable to fast assembly, compact and reasonable arrangement structure circuit, and reliably drive fan blade to rotate on the support of outer frame.

[0003] The inventor found the following defects in the specific implementation operation process:

[0004] The stator shot package is mainly composed of an insulating center frame and a plurality of silicon steel sheets located in the insulating center frame, a plurality of stator coil groups are wound on the insulating center frame in a corresponding manner, and the stator shot package and the PCB board at the bottom are generally combined by welding. In actual use, the stator shot package and the PCB board are only fixed by welding points, and the bonding strength is poor, which is easy to fall off and affects use.

[0005] It should be noted that the above content belongs to the technical cognition of the inventor. Since the technical content in this field is vast and complex, the above content of the present application does not necessarily constitute the prior art. CONTENT OF THE UTILITY MODEL

[0006] 1. Technical problem to be solved by the utility model:

[0007] The utility model provides a kind of PCB reinforcing structure to solve the technical problems existing in the above background technology.

[0008] 2. Technical scheme:

[0009] To achieve the above purpose, the technical scheme provided by the utility model is as follows: a kind of PCB reinforcing structure, including stator shot package and PCB board, hard board is arranged between the stator shot package and the PCB board, and the hard board and the stator shot package are fixedly connected by hot melt adhesive.

[0010] Further, a mounting hole one is formed in the hard board, and a plurality of positioning holes one are formed on the side of the mounting hole one.

[0011] Further, a mounting hole two corresponding to the mounting hole one is formed in the PCB board, and a plurality of positioning holes two corresponding to the positioning holes one are formed on the side of the mounting hole.

[0012] Further, the stator package comprises a center sleeve and an insulating support correspondingly inserted into the center sleeve, and the center sleeve is correspondingly arranged with the first mounting hole and the second mounting hole.

[0013] Further, the center sleeve has an end portion, and a plurality of welding columns are arranged on the outer side of the end portion of the center sleeve and sequentially penetrate the first positioning hole and the second positioning hole.

[0014] Further, the hard plate is arranged on the side close to the end portion, and the hard plate is fixedly connected with the PCB through hot melt glue.

[0015] 3. Beneficial effects:

[0016] Compared with the prior art, the technical scheme has the following beneficial effects:

[0017] The utility model discloses a reasonable design, through the structure of installing the hard plate between the stator package and the PCB, realize convenient assembly and improve the assembly strength, and through the hot melt mode and the stator package are combined together, the finished product after assembly is waterproofed.

[0018] It should be noted that the structures not introduced in the utility model are the same as the prior art or can be realized by using the prior art, and do not need to be described here. DRAWINGS

[0019] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0020] Fig. 2 It is the whole structure explosion schematic diagram of the utility model.

[0021] Reference signs:

[0022] 1, stator package; 101, center sleeve; 102, insulating support; 103, welding column; 104, end portion; 2, PCB; 201, second mounting hole; 202, second positioning hole; 3, hard plate; 301, first mounting hole; 302, first positioning hole. DETAILED DESCRIPTION

[0023] In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings, and the drawings show several embodiments of the utility model, but the utility model can be realized in many different forms, and is not limited to the embodiments described herein, on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0024] In the description of the utility model, it is understood that the directions or position relations indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are the directions or position relations shown based on the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0025] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0026] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing", "provided with", "provided in" and the like should be understood in a broad sense, for example, can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, can be electrically connected, can be directly connected, can be indirectly connected through an intermediate medium, and can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] Embodiment

[0028] Refer to the drawings Figs. 1-2 A kind of PCB reinforcing structure, including stator shot package 1 and PCB board 2, stator shot package 1 and PCB board 2 between being equipped with hard board 3, hard board 3 and stator shot package 1 between being fixedly connected by hot melt adhesive.

[0029] Mounting hole one 301 is set up on hard board 3, a plurality of positioning hole one 302 is set up on the side of mounting hole one 301.

[0030] Mounting hole two 201 corresponding with mounting hole one 301 is set up on PCB board 2, a plurality of positioning hole two 202 corresponding with positioning hole one 301 is set up on the side of mounting hole 201.

[0031] The stator shot package 1 comprises a center sleeve 101 and an insulating support 102 inserted correspondingly, the center sleeve 101 is arranged correspondingly to the mounting hole one 301 and the mounting hole two 201, the end 101 of the center sleeve 101 is arranged close to the mounting hole one 301 and the mounting hole two 201, and the inner diameter of the end 101 is smaller than the inner diameter of the mounting hole one 301 and the mounting hole two 201.

[0032] The center sleeve 101 has an end 104, a plurality of welding columns 103 are arranged on the outer side of the end 104 of the center sleeve 101, the welding columns 103 pass through the positioning hole one 302 and the positioning hole two 202 in sequence, and the welding columns 103 are inserted into the positioning hole one 302 and the positioning hole two 202, so that the stator shot package 1, the hard plate 3 and the PCB plate 2 are connected in close contact.

[0033] The hard plate 3 is arranged close to the end 104 on one side, and is fixedly connected with the PCB plate 2 through hot melt glue, the stator shot package 1, the hard plate 3 and the PCB plate 2 are combined and fixed through hot melt glue, the adhesion strength is increased, the PCB plate 2 is assembled conveniently, and the waterproof treatment of the finished product after assembly is facilitated.

[0034] In summary, through the structure that the hard plate 3 is arranged between the stator shot package 1 and the PCB plate 2, convenient assembly and improved assembly strength are realized, the stator shot package is combined together through the hot melt mode, and the waterproof treatment of the finished product after assembly is facilitated.

[0035] The above-described embodiments only express certain implementation manners of the present application, the description is relatively specific and detailed, but it cannot be understood as the limitation of the patent scope of the present application; it should be pointed out that, for ordinary skilled persons in the art, on the premise of not departing from the present application concept, a plurality of modifications and improvements can be made, which belong to the protection scope of the present application; therefore, the protection scope of the present application patent should be subject to the appended claims.

Claims

1. A PCB reinforcement structure comprising a stator shot pack (1) and a PCB board (2), characterized in that: The hard plate (3) is fixedly connected with the stator shooting packet (1) through hot melt adhesive.

2. The PCB reinforcing structure of claim 1, wherein: A plurality of positioning holes one (302) are arranged on the side of the mounting hole one (301).

3. The PCB reinforcing structure of claim 2, wherein: A plurality of positioning holes two (202) corresponding to the positioning holes one (302) are arranged on the side of the mounting hole two (201) corresponding to the mounting hole one (301) of the PCB plate (2).

4. The PCB reinforcing structure of claim 3, wherein: The stator shooting packet (1) comprises a center sleeve (101) and an insulating support (102) correspondingly inserted and arranged.

5. The PCB reinforcing structure of claim 4, wherein: The center sleeve (101) has an end portion (104), and a plurality of welding columns (103) are arranged on the outer side of the center sleeve (101) close to the end portion (104), and the welding columns (103) sequentially penetrate the positioning holes one (302) and the positioning holes two (202).

6. The PCB reinforcing structure of claim 5, wherein: The hard plate (3) is arranged on one side close to the end portion (104), and is fixedly connected with the PCB plate (2) through hot melt adhesive.