IP67 waterproof power supply product

By designing the glue filling joints of the fixed part and the interlaced connecting lines in the IP67 waterproof power supply product, the problem of seal failure of the waterproof power supply product in the prior art is solved, and the waterproof stability and safety of the product during long-term use is achieved.

CN222803216UActive Publication Date: 2025-04-25SHENZHEN XINSU INT ELECTRONICS CO LTD
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Patent Information

Application Number
CN202421622193.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-09
Publication Date
2025-04-25
Estimated Expiration
2034-07-09

AI Technical Summary

Technical Problem

The existing IP67 waterproof power supply products made by integral glue filling are prone to seal failure after long-term use, resulting in reduced waterproof stability and safety.

Method used

An IP67 waterproof power supply product is designed, which includes a waterproof housing, a circuit board and a connecting wire that runs through the housing and the circuit board. By providing fixing parts on both sides of the waterproof shell, connecting lines penetrate through the fixing parts, and forming glue filling joints after interlacing, glue filling is performed to achieve sealing.

Benefits of technology

This design effectively prevents water from entering the waterproof housing along the connection line, protects the circuit board, and ensures the waterproof stability and safety of the waterproof power supply product during long-term use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an IP67 waterproof power supply product. The waterproof power supply product comprises a waterproof housing, a circuit board and a connecting line. Fixing parts allowing the connecting line to penetrate through are arranged on the two sides of the waterproof shell, each fixing part comprises a first fixing piece, a second fixing piece, a third fixing piece and a fourth fixing piece, and the connecting line comprises a first connecting piece, a second connecting piece and a third connecting piece; the first connecting piece, the first fixing piece, the fourth fixing piece, the second fixing piece, the second connecting piece, the third fixing piece and the third connecting piece are connected in a staggered mode, and after staggered connection, glue pouring seams used for glue pouring are formed between the adjacent fixing pieces and connecting pieces and / or between the fixing pieces. After the connecting line is connected with the fixing part, glue is poured into the glue pouring seam formed by the connecting line and the fixing part, water is prevented from entering the waterproof shell along the connecting line to influence the circuit board, only glue pouring is carried out in the glue pouring seam, and the waterproof power supply product can keep good waterproof stability and waterproof safety under the condition of long-time use.
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Description

Technical Field

[0001] The utility model relates to the technical field of power supply products, in particular to an IP67 waterproof power supply product. Background Art

[0002] IP67 waterproof power supply products refer to a type of power supply products with a dust and water resistance level of IP67. IP67 waterproof power supply products have multiple protection functions such as short circuit protection, overcurrent protection and overload protection, and are widely used in outdoor rainy days, morning fog, direct sunlight and other environments.

[0003] At present, the existing waterproof power supply products generally use the overall glue filling method to completely wrap the circuit board inside the shell to achieve the purpose of waterproof and dustproof. This method can completely isolate the electrical cavity part from the outside world, and achieve the functions of waterproof, moisture-proof and dust-proof. At the same time, the potting glue can also be used to conduct the heat of the switching tube, transformer, electrolytic capacitor, inductor and other heating components on the circuit board to the outside as quickly as possible to achieve the effect of heat dissipation. However, the waterproof power supply products made by the above method are prone to sealing failure due to long-term outdoor work, resulting in reduced performance of the waterproof power supply products, which will reduce the waterproof stability and waterproof safety of the waterproof power supply products during use.

[0004] In the process of implementing the present utility model, the inventors found that there are at least the following problems in the prior art:

[0005] Long-term use of waterproof power supply products made by overall glue filling will reduce the waterproof stability and waterproof safety of the waterproof power supply products. Utility Model Content

[0006] The purpose of the utility model is to provide an IP67 waterproof power supply product to solve the technical problem that the waterproof power supply product manufactured by the overall glue filling method in the prior art will reduce the waterproof stability and waterproof safety of the waterproof power supply product after long-term use. The preferred technical solution among the many technical solutions provided by the utility model can produce many technical effects as described below.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] The utility model provides an IP67 waterproof power supply product, comprising: a waterproof housing, a circuit board arranged inside the waterproof housing, and a connecting line penetrating the waterproof housing and connecting the circuit board;

[0009] The waterproof housing is provided with fixing parts for the connecting wire to pass through on both sides, the fixing parts include a first fixing part and a second fixing part for fixing the connecting wire, the first fixing part includes a first fixing piece, a second fixing piece and a third fixing piece arranged at intervals, and the second fixing part includes a fourth fixing piece arranged opposite to the first fixing piece;

[0010] The connecting line includes an end body and a first connecting member, a second connecting member and a third connecting member spaced apart on the central axis of the end body; the first connecting member, the first fixing member, the fourth fixing member, the second fixing member, the second connecting member, the third fixing member and the third connecting member are staggeredly connected, and after the staggered connection, a glue filling seam for glue filling is formed between adjacent fixing members and the connecting members and / or fixing members.

[0011] Optionally, the shape of the middle parts of the first fixing member and the fourth fixing member after being arranged opposite to each other matches the shape of the terminal body, and the first fixing member and the fourth fixing member are used to fix the terminal body after contacting the terminal body and the first connecting member.

[0012] Optionally, the first connecting member includes an upper extension portion extending upward along the central axis of the end body and a lower extension portion extending downward along the central axis of the end body, and the upper extension portion and the lower extension portion are arranged in steps.

[0013] Optionally, the width of the fourth fixing member is greater than the width of the first fixing member.

[0014] Optionally, the fourth fixing member is provided with a glue pouring groove extending downward along the end surface.

[0015] Optionally, the waterproof housing comprises a waterproof upper shell and a waterproof lower shell, the waterproof upper shell is arranged opposite to the waterproof lower shell and is snap-connected; the first fixing portion is arranged on the waterproof upper shell, and the second fixing portion is arranged on the waterproof lower shell;

[0016] The end surfaces where the waterproof upper shell and the waterproof lower shell are connected are respectively extended to opposite ends to be provided with grooves for glue pouring.

[0017] Optionally, the waterproof upper shell is extended to the side to form a downwardly open fixing shell, the first fixing member, the second fixing member and the third fixing member are all arranged below the fixing shell, and the third fixing member is connected to the outer side of the fixing shell.

[0018] Optionally, the waterproof power supply product further includes a sealing member, which is disposed at the bottom of the second connecting member and abuts against the fixed shell, and is used to seal the terminal body of the connecting line and the fixed shell.

[0019] Optionally, the circuit board is arranged inside the waterproof housing through heat-conducting glue.

[0020] Optionally, the IP67 waterproof power supply product is a power adapter or a battery charger.

[0021] Implementing one of the above technical solutions of the utility model has the following advantages or beneficial effects:

[0022] The utility model comprises a waterproof shell, a circuit board arranged inside the waterproof shell, and a connecting wire that penetrates the waterproof shell and connects the circuit board. Both sides of the waterproof shell are provided with fixing parts for the connecting wire to penetrate, and the fixing parts can be connected to the connecting wire. After the connection, glue is poured into the glue filling seam formed by the fixing parts and the connecting wire to prevent water from entering the waterproof shell along the connecting wire and affecting the circuit board. Glue is only poured into the glue filling seam, and the waterproof power supply product can maintain good waterproof stability and waterproof safety even in the case of long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0024] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0025] Figure 2 This is a schematic diagram of the overall structure of the embodiment of the utility model;

[0026] Figure 3 It is a schematic diagram of the connection between the first connecting portion and the waterproof upper shell of an embodiment of the utility model.

[0027] In the figure: 1. waterproof outer shell; 11. first fixing part; 111. first fixing member; 112. second fixing member; 113. third fixing member; 12. second fixing part; 121. fourth fixing member; 122. glue pouring groove; 13. waterproof upper shell; 131. fixing shell; 14. waterproof lower shell; 141. groove; 15. sealing member; 2. circuit board; 3. connecting wire; 31. terminal body; 32. first connecting member; 321. upper extension part; 322. lower extension part; 33. second connecting member; 34. third connecting member. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of the utility model clearer, the various exemplary embodiments to be described below will refer to the corresponding drawings, which constitute a part of the exemplary embodiments, wherein various exemplary embodiments that may be used to implement the utility model are described. Unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementation methods described in the following exemplary embodiments do not represent all implementation methods consistent with the present disclosure. It should be understood that they are only examples of processes, methods, and devices that are consistent with some aspects of the utility model disclosed as detailed in the attached claims, and other embodiments may also be used, or the embodiments listed herein may be modified in structure and function without departing from the scope and essence of the utility model.

[0029] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", etc. indicate the orientation or position relationship based on the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the elements referred to must have a specific orientation, be constructed and operated in a specific orientation. The terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. The term "multiple" means two or more. The terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a communication connection, a direct connection, an indirect connection through an intermediate medium, and can be the internal connection of two elements or the interaction relationship between two elements. The term "and / or" includes any and all combinations of one or more related listed items. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0030] In order to illustrate the technical solution of the present invention, a specific embodiment is provided below, in which only the parts related to the embodiment of the present invention are shown.

[0031] Example:

[0032] like Figure 1 , Figure 2 , Figure 3As shown, the utility model discloses an IP67 waterproof power supply product, comprising: a waterproof housing 1, a circuit board 2 arranged inside the waterproof housing 1, and a connecting line 3 that penetrates the waterproof housing 1 and connects the circuit board 2; the fixing part of the waterproof housing 1 comprises a first fixing part 11 and a second fixing part 12, the first fixing part 11 comprises a first fixing member 111, a second fixing member 112 and a third fixing member 113 arranged at intervals, the second fixing part 12 comprises a fourth fixing member 121, and the fourth fixing member 121 is arranged opposite to the first fixing member 111. The connecting line 3 comprises a terminal body 31 and a first connecting member 32, a second connecting member 33 and a third connecting member 34 arranged at intervals on the central axis of the terminal body 31. The connecting wire 3 can be fixed on the waterproof housing 1 under the action of the first fixing member 111, the second fixing member 112, the third fixing member 113, the fourth fixing member 121, the first connecting member 32, the second connecting member 33 and the third fixing member 113, and the connection between the connecting wire 3 and the waterproof housing 1 will be tighter under the action of the first fixing member 111, the second fixing member 112, the third fixing member 113, the fourth fixing member 121, the first connecting member 32, the second connecting member 33 and the third fixing member 113. It should be noted that the first fixing member 111, the second fixing member 112, the third fixing member 113 are fixing plates opening downward, and the fourth fixing member 121 is a fixing plate opening upward.

[0033] Specifically, Figure 3 As shown, the first connecting member 32, the first fixing member 111, the fourth fixing member 121, the second fixing member 112, the second connecting member 33, the third fixing member 113 and the third connecting member 34 are sequentially arranged outwardly along the waterproof housing 1, and the order is: the first connecting member 32, the first fixing member 111 and the fourth fixing member 121, the second fixing member 112, the second connecting member 33, the third fixing member 113, and the third connecting member 34. It can be seen that the first connecting member 32, the first fixing member 111, the fourth fixing member 121, the second fixing member 112, the second connecting member 33, the third fixing member 113 and the third connecting member 34 are staggeredly connected. After the first fixing member 111, the second fixing member 112, the third fixing member 113, the fourth fixing member 121, the first connecting member 32, the second connecting member 33 and the third fixing member 113 are staggered and connected, there is a corresponding connection relationship between the components, and because the connection between the components is still relatively tight, but the tight connection does not mean that there is no gap between the components, therefore, after the components are connected, a glue filling seam will be formed. In order to further achieve the purpose of waterproofing and dustproofing, it is necessary to fill the glue filling seam with glue to further seal it to prevent water from entering the interior of the waterproof power supply product along the connecting line 3, thereby ensuring the waterproof effect of the waterproof power supply product and improving the waterproof stability and waterproof safety of the waterproof power supply product.

[0034] The utility model comprises a waterproof shell 1, a circuit board 2 arranged inside the waterproof shell 1, and a connecting wire 3 that penetrates the waterproof shell 1 and connects the circuit board 2. Both sides of the waterproof shell 1 are provided with fixing parts for the connecting wire 3 to penetrate, and the fixing parts can be connected to the connecting wire 3. After the connection, glue is poured into the glue filling seam formed by the fixing parts and the connecting wire 3 to prevent water from entering the waterproof shell 1 along the connecting wire 3 and affecting the circuit board 2. Glue is only poured into the glue filling seam, and there is no need to fill the sealing glue around the circuit board to completely wrap the circuit board. The waterproof power supply product can also maintain good waterproof stability and waterproof safety in the case of long-term use.

[0035] As an optional implementation, Figure 2 , Figure 3 As shown, the shape of the middle part of the first fixing member 111 and the fourth fixing member 121 after being arranged opposite to each other matches the shape of the terminal body 31. After the first fixing member 111 and the fourth fixing member 121 are in contact with the terminal body 31 and the first connecting member 32, they are used to fix the terminal body 31.

[0036] Specifically, the first fixing member 111 is disposed on the first fixing portion 11, and the fourth fixing member 121 is disposed on the second fixing portion 12. The first fixing member 111 and the fourth fixing member 121 are disposed opposite to each other, and the shapes of the first fixing member 111 and the fourth fixing member 121 are the same. The shapes of the first fixing member 111 and the fourth fixing member 121 after being disposed opposite to each other match the shape of the terminal body 31, so as to facilitate fixing the terminal body 31. In addition, the first fixing member 111 and the fourth fixing member 121 are also in contact with the side surface of the first connecting member 32. After the first fixing member and the fourth fixing member 121 are in contact with the first connecting member 32, a gap will be formed between the connecting parts of the fixing member and the connecting member due to various reasons (manufacturing error, installation error, etc.), resulting in a loose contact, and a glue filling seam will be formed. Glue can be poured into the formed glue filling seam to further seal the first fixing member 111, the fourth fixing member 121 and the first connecting member 32, avoiding the situation where the connection is not tight enough, causing water to enter the waterproof power supply product along the gap. Glue filling in the glue filling seam can further ensure the waterproof effect.

[0037] It should be noted that the shape of the end in this embodiment can be selected to be circular, and the shapes of the first fixing member 111 and the fourth fixing member 121 can be correspondingly selected to be arc-shaped.

[0038] As an optional implementation, Figure 2 As shown, the first connecting member 32 includes an upper extension portion 321 extending upward along the central axis of the end body 31 and a lower extension portion 322 extending downward along the central axis of the end body 31, and the upper extension portion 321 and the lower extension portion 322 are arranged in steps.

[0039] Specifically, in order to make the first fixing member 111 and the fourth fixing member 121 better contact with the first connecting member 32 and achieve a better waterproof effect, the shape of the first connecting member 32 is adjusted. In this embodiment, the shape of the first fixing member 111 is set to be stepped. The first connecting member 32 includes an upper extension portion 321 and a lower extension portion 322. The upper extension portion 321 is a portion extending upward along the central axis of the end body 31, and the lower extension portion 322 is a portion extending downward along the central axis of the end body 31. The first connecting member 32 can be a plate-like structure, and the plate surface of the plate-like structure can better contact with the first connecting member 32 and the fourth connecting member.

[0040] It should be noted that the width of the fourth fixing member 121 is greater than the width of the first fixing member 111. In order to facilitate the contact between one side of the first fixing member 111 and the fourth fixing member 121 and the upper extension portion 321 and the lower extension portion 322, and the other side of the first fixing member 111 and the fourth fixing member 121 are in the same plane after the contact, it is necessary to make the width of the fourth fixing member 121 greater than the width of the first fixing member 111, so as to achieve the purpose of easy installation.

[0041] As an optional implementation, Figure 2 As shown, the fourth fixing member 121 is provided with a glue pouring groove 122 extending downward along the end surface. Specifically, the end surface of the fourth fixing member 121 is the surface in contact with the first fixing member 111, and the end surface of the fourth fixing member 121 is provided with a glue pouring groove 122 extending downward. Glue is poured into the glue pouring groove 122, so that the first fixing member 111 and the fourth fixing member 121 are connected more tightly, and after glue is poured into the glue pouring groove 122, the first connecting member 32, the first fixing member 111 and the fourth fixing member 121 are further sealed to prevent water from entering the interior of the waterproof power supply product.

[0042] As an optional embodiment, the waterproof housing 1 includes a waterproof upper shell 13 and a waterproof lower shell 14. The waterproof upper shell 13 and the waterproof lower shell 14 are arranged opposite to each other and are connected by snapping. The first fixing portion 11 is arranged on the waterproof upper shell 13, and the second fixing portion 12 is arranged on the waterproof lower shell 14. The end surfaces where the waterproof upper shell 13 and the waterproof lower shell 14 are connected are respectively provided with grooves 141 for glue injection extending to opposite ends.

[0043] Specifically, the first fixing part 11 is arranged on the waterproof upper shell 13, and the second fixing part 12 is arranged on the waterproof lower shell 14. The waterproof upper shell 13 and the waterproof lower shell 14 are arranged opposite to each other, so that the first fixing part 11 and the second fixing part 12 are connected to the connecting line 3. The surface where the waterproof upper shell 13 and the waterproof lower shell 14 contact each other is an end surface, and the end surface of the waterproof upper shell 13 extends upward to form a groove 141 for glue pouring, and the end surface of the waterproof lower shell 14 extends downward to form a groove 141 for glue pouring. Glue is poured into the groove 141 to seal the waterproof upper shell 13 and the waterproof lower shell 14. While ensuring the sealing of the waterproof upper shell 13 and the waterproof lower shell 14, water or dust can be prevented from entering the waterproof housing from the gap between the waterproof upper shell 13 and the waterproof lower shell 14, thereby ensuring the waterproof performance of the waterproof power supply product. It should be noted that the waterproof upper shell 13 and the waterproof lower shell 14 in this embodiment can be assembled by ultrasonic method, and the use of ultrasonic method for assembly is not specifically described in this embodiment.

[0044] As an optional implementation, Figure 3 As shown, the waterproof upper shell 13 extends to the side to form a downwardly open fixed shell 131, the first fixing member 111, the second fixing member 112 and the third fixing member 113 are all arranged below the fixed shell 131, and the third fixing member 113 is connected to the outer side of the fixed shell 131.

[0045] Specifically, the first fixing portion 11 and the second fixing portion 12 can be arranged inside the waterproof housing 1, or can be arranged outside the waterproof housing 1. This embodiment provides a technical solution in which the first fixing portion 11 is arranged outside the waterproof housing 1. A fixing shell 131 is arranged on the waterproof housing 1, and the fixing shell 131 extends outward from the side of the waterproof upper shell 13. The fixing shell 131 is a shell opening downward, and the first fixing member 111, the second fixing member 112 and the third fixing member 113 are arranged at intervals on the inner wall of the fixing shell 131, which is convenient for connection with the connecting line 3. After connection, glue is poured into the glue filling seam formed by the fixing member and the connecting member to achieve the purpose of waterproofing.

[0046] As an optional implementation, Figure 2As shown, the waterproof power supply product further includes a seal 15, which is arranged at the bottom of the second connecting member 33 and abuts against the fixed shell 131, and is used to seal the end body 31 of the connecting line 3 with the fixed shell 131. Specifically, the fixed shell 131 is arranged inside the waterproof housing 1, and the fixed shell 131 is open downward. In order to seal the fixed part and the connecting line 3, a seal 15 is arranged at a corresponding position below the fixed shell 131. The shape of the seal 15 matches the opening shape of the fixed shell 131, and an installation groove is arranged in the middle of the seal 15. The shape of the installation groove matches the shape of the second connecting member 33. After the glue is injected into the glue injection seam formed between the fixed part and the connecting line 3, the seal 15 can be arranged at the bottom of the second connecting member 33 and abuts against the fixed shell 131 to seal the fixed part and the connecting line 3, thereby ensuring the waterproof performance of the waterproof power supply product.

[0047] As an optional implementation, the circuit board 2 is arranged inside the waterproof shell 1 through a thermally conductive adhesive. Specifically, the circuit board 2 is arranged inside the waterproof shell 1, and the waterproof power supply product will dissipate heat during operation. In order to facilitate better heat dissipation, the circuit board 2 is installed after applying thermally conductive adhesive on the contact surface of the circuit board 2 with the inner wall of the waterproof shell 1. The heat generated by the circuit board 2 during operation can be conducted to the shell by the thermally conductive adhesive and then dissipated outward by the shell. In this embodiment, the part where the waterproof shell 1 is connected to the connecting line 3 is improved to prevent water from entering the waterproof power supply product along the connecting line 3, thereby ensuring the waterproof performance of the waterproof power supply product. At the same time, thermally conductive adhesive is applied to the bottom of the circuit board 2 to conduct the heat generated by the circuit board 2 during operation to the waterproof shell 1, so that the heat is dissipated outward from the waterproof shell 1. While achieving a waterproof effect, the heat dissipation of the circuit board 2 can also be ensured. While ensuring the heat dissipation of the circuit board 2, the service life of the electronic materials on the circuit board 2 can also be improved.

[0048] Compared with the prior art, the technical solution disclosed in this embodiment avoids the need for the circuit board 2 to be completely surrounded by waterproof silicone to achieve the waterproof purpose, uses less waterproof silicone, saves costs and reduces the overall weight of the waterproof power supply product.

[0049] It should be noted that IP67 waterproof power products are power adapters or battery chargers.

[0050] The embodiment is only a special case and does not indicate that the present invention is implemented in such a way.

[0051] The above description is only the preferred embodiment of the present invention. Those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the guidance of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application belong to the protection scope of the present invention.

Claims

1. An IP67 waterproof power supply product, characterized in that: include: A waterproof housing (1), a circuit board (2) arranged inside the waterproof housing (1), and a connecting line (3) passing through the waterproof housing (1) and connecting the circuit board (2); The waterproof housing (1) is provided with fixing parts on both sides thereof for the connecting wire (3) to pass through, the fixing parts comprising a first fixing part (11) and a second fixing part (12) for fixing the connecting wire (3), the first fixing part (11) comprising a first fixing member (111), a second fixing member (112) and a third fixing member (113) arranged at intervals, and the second fixing part (12) comprising a fourth fixing member (121) arranged opposite to the first fixing member (111); The connecting line (3) comprises an end body (31) and a first connecting piece (32), a second connecting piece (33) and a third connecting piece (34) which are arranged at intervals on the central axis of the end body (31); the first connecting piece (32), the first fixing piece (111), the fourth fixing piece (121), the second fixing piece (112), the second connecting piece (33), the third fixing piece (113) and the third connecting piece (34) are staggeredly connected, and after the staggered connection, a glue injection seam for glue injection is formed between adjacent fixing pieces and the connecting pieces and / or fixing pieces.

2. The IP67 waterproof power supply product according to claim 1, characterized in that: The shape of the middle parts of the first fixing member (111) and the fourth fixing member (121) when arranged opposite to each other matches the shape of the terminal body (31); after the first fixing member (111) and the fourth fixing member (121) are in contact with the terminal body (31) and the first connecting member (32), they are used to fix the terminal body (31).

3. The IP67 waterproof power supply product according to claim 1, characterized in that: The first connecting member (32) comprises an upper extension portion (321) extending upward along the central axis of the end body (31) and a lower extension portion (322) extending downward along the central axis of the end body (31), and the upper extension portion (321) and the lower extension portion (322) are arranged in steps.

4. The IP67 waterproof power supply product according to claim 1, characterized in that: The width of the fourth fixing member (121) is greater than the width of the first fixing member (111).

5. The IP67 waterproof power supply product according to claim 1, characterized in that: The fourth fixing member (121) is provided with a glue injection groove (122) extending downward along the end surface.

6. The IP67 waterproof power supply product according to claim 1, characterized in that: The waterproof housing (1) comprises a waterproof upper shell (13) and a waterproof lower shell (14); the waterproof upper shell (13) and the waterproof lower shell (14) are arranged opposite to each other and are snap-connected; the first fixing portion (11) is arranged on the waterproof upper shell (13), and the second fixing portion (12) is arranged on the waterproof lower shell (14); Grooves (141) for glue injection are respectively provided at the end surfaces where the waterproof upper shell (13) and the waterproof lower shell (14) are connected, extending towards opposite ends.

7. The IP67 waterproof power supply product according to claim 6, characterized in that: The waterproof upper shell (13) is extended to the side to be provided with a downwardly open fixing shell (131); the first fixing member (111), the second fixing member (112) and the third fixing member (113) are all arranged below the fixing shell (131); and the third fixing member (113) is connected to the outer side of the fixing shell (131).

8. The IP67 waterproof power supply product according to claim 7, characterized in that: The waterproof power supply product further comprises a sealing member (15), wherein the sealing member (15) is arranged at the bottom of the second connecting member (33) and abuts against the fixed shell (131), and is used for sealing the end body (31) of the connecting line (3) and the fixed shell (131).

9. The IP67 waterproof power supply product according to claim 1, characterized in that: The circuit board (2) is arranged inside the waterproof housing (1) via heat-conducting glue.

10. The IP67 waterproof power supply product according to claim 1, characterized in that: The IP67 waterproof power supply product is a power adapter or a battery charger.