Waterproof sealed power adapter

Abstract

The utility model relates to the technical field of power adapters, and discloses a waterproof sealed power adapter, which comprises a waterproof female seat provided with a plug; the shell lower cover and the waterproof female seat are integrally formed, and the shell lower cover is also provided with an integrally formed connector; the shell upper cover is detachably connected with the shell lower cover; the circuit board assembly is connected with the plug through a wire; the wire is connected with a mounting head, a connecting conductor is embedded in the connecting head, one end of the connecting conductor extends towards the lower shell cover and is connected with a circuit board assembly through a wire, and the other end of the connecting conductor is connected with the wire through a wire; and the locking cap is in threaded connection with the connector. The wire and the circuit board can be in wire connection through the connector and the mounting head, meanwhile, the connector and the shell lower cover are integrally formed, the connecting conductor is embedded into the connector when being integrally formed, the shell lower cover and the waterproof female seat are integrally formed, and compared with the prior art, assembling and welding are not needed, the sealing performance is high, and the waterproof effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of power adapters, in particular to a waterproof and sealed power adapter. Background Art

[0002] Power adapter is a power supply conversion device for small portable electronic devices and electronic appliances. It is generally composed of components such as housing, transformer, inductor, capacitor, control IC, PCB board, etc. Its working principle is to convert AC input into DC output; according to the connection method, it can be divided into wall-mounted and desktop types. It is widely used in security cameras, set-top boxes, routers, light strips, massagers and other equipment.

[0003] Currently, for IP44 power supply products, the jellyfish socket at the output end is mostly assembled with the outer shell. Often, due to errors in the assembly of the jellyfish socket and the outer shell, the IP44 waterproof performance is very unstable. Utility Model Content

[0004] Based on the above, the purpose of the utility model is to provide a waterproof sealed power adapter with good sealing effect and good waterproof performance.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The utility model provides a waterproof sealed power adapter, comprising:

[0007] A jellyfish-proof seat, on which a plug is arranged;

[0008] The lower cover of the outer shell is arranged above the waterproof jellyfish seat, and is integrally formed with the waterproof jellyfish seat. The lower cover of the outer shell is also provided with an integrally formed connector, and the connector is provided with an external thread;

[0009] An upper housing cover is disposed above the lower housing cover and is detachably connected to the lower housing cover;

[0010] A circuit board assembly is disposed in the lower cover of the housing and the waterproof nut seat, and is connected to the plug wire;

[0011] A wire connected to a mounting head, the mounting head can be inserted into the connector, the connector is embedded with a connecting conductor, one end of the connecting conductor extends toward the lower cover of the housing and is connected to the wire of the circuit board assembly, and the other end of the connecting conductor extends toward the wire and is connected to the wire of the wire;

[0012] The locking cap can pass through the mounting head and be threadedly connected with the connecting head.

[0013] Preferably, a sealing rubber ring is provided between the connecting head and the mounting head.

[0014] Preferably, it also includes a protective cap, which passes through the mounting head and is sleeved outside the locking cap.

[0015] Preferably, the circuit board assembly comprises:

[0016] A PCB board, a side of which close to the connector is provided with a bayonet, and a U-shaped connecting piece is provided on the top of the bayonet;

[0017] The spring has one end connected to the plug and the other end connected to one side of the PCB board.

[0018] Preferably, the spring sheet includes a U-shaped clamping portion, and the side surface of the other side of the PCB board is clamped into the U-shaped clamping portion.

[0019] Preferably, the spring piece further includes a first connecting portion, a second connecting portion and a third connecting portion, the first connecting portion is connected to the plug, the second connecting portion is connected to the first connecting portion and the third connecting portion, and the third connecting portion is connected to the U-shaped clamping portion.

[0020] Preferably, a first fixing groove is provided in the jellyfish-proof seat, and the second connecting portion is inserted into the first fixing groove.

[0021] Preferably, a second fixing groove is provided on the lower cover of the housing, and a side of the third connecting portion close to the U-shaped clamping portion can be clamped into the second fixing groove.

[0022] Preferably, a plurality of pads are further arranged inside the upper cover of the housing, and the circuit board assembly is arranged on the pads.

[0023] The beneficial effects of the utility model are:

[0024] The utility model provides a waterproof sealed power adapter, which enables wires and circuit boards to be connected by wires through a connector and a mounting head. The connector is integrally formed with a lower cover of an outer shell, and a connecting conductor is embedded in the connector during the integral forming. Furthermore, the lower cover of the outer shell is integrally formed with a waterproof mother seat. Compared with the prior art, it does not require assembly and welding, has strong sealing performance, and has a good waterproof effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0026] Figure 1 A schematic diagram of the structure of a waterproof and sealed power adapter is provided for an embodiment of the utility model;

[0027] Figure 2 A schematic diagram of the cross-sectional structure of a waterproof and sealed power adapter is provided for an embodiment of the utility model;

[0028] Figure 3 A schematic diagram of the exploded structure of a waterproof and sealed power adapter is provided for an embodiment of the utility model;

[0029] Figure 4 The present invention provides a schematic diagram of the internal structure of a waterproof mother socket and a lower cover of a housing of a waterproof sealed power adapter.

[0030] In the figure:

[0031] 1. Waterproof jellyfish seat; 11. First fixing groove; 2. Plug; 3. Lower cover of the shell; 31. Second fixing groove; 32. Spacer; 4. Upper cover of the shell; 5. Connector; 51. Connecting conductor; 6. Circuit board assembly; 61. PCB board; 611. Bayonet; 62. U-shaped connecting piece; 63. Spring piece; 631. Arc-shaped clamping part; 632. First connecting part; 633. Second connecting part; 634. Third connecting part; 7. Wire; 8. Mounting head; 9. Locking cap; 91. Protective cap; 92. Sealing rubber ring. DETAILED DESCRIPTION

[0032] In order to make the technical problems solved by the utility model, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the utility model will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0033] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0035] In the description of this embodiment, the terms "upper", "lower", "left", "right", etc., and the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of description and simplified operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0036] like Figures 1 to 4 As shown, the embodiment of the utility model provides a waterproof sealed power adapter, including a waterproof nut seat 1, the waterproof nut seat 1 is made of plastic material, and a plug 2 is arranged on it. The plug 2 is embedded in the waterproof nut seat 1 when the waterproof nut seat 1 is injection molded; a shell lower cover 3, which is made of plastic material and is arranged above the waterproof nut seat 1. It is integrally formed with the waterproof nut seat 1. The interiors of the shell lower cover 3 and the waterproof nut seat 1 have cavities reserved for installing parts. The shell lower cover 3 is also provided with an integrally formed connector 5, and the connector 5 is provided with an external thread; a shell upper cover 4, which is made of plastic material and is arranged above the shell lower cover 3. It is detachably connected to the shell lower cover 3, and the shell lower cover 3 and the shell upper cover 4 are connected to each other. The connection can be made in a variety of ways, such as snaps, glue or screws; the circuit board assembly 6 is arranged in the lower cover 3 of the outer shell and the waterproof mother seat 1, and is connected to the plug 2 by wire; the wire 7 is connected to a mounting head 8, and the mounting head 8 can be inserted into the cavity of the connector 5. The connector 5 is embedded with a connecting conductor 51, and the connecting conductor 51 is embedded when the connector 5 is injection molded. One end of the connecting conductor 51 extends toward the lower cover 3 of the outer shell and is connected to the circuit board assembly 6 by wire, and the other end of the connecting conductor 51 extends toward the direction of the wire 7 and is connected to the wire 7 by wire; a locking cap 9 can pass through the mounting head 8 and be threadedly connected to the connector 5.

[0037] Specifically, during installation, the installation head 8 is inserted into the cavity of the connector 5 so that the installation head 8 can contact the connection conductor 51, thereby connecting the wire 7 and the circuit board assembly 6. The connector 5 is integrally formed with the lower cover 3 of the housing, and the connection conductor 51 is embedded in the connector 5 during the integral forming. Furthermore, the lower cover 3 of the housing is integrally formed with the waterproof nylon seat 1. Compared with the prior art, no assembly and welding are required, and the sealing is strong and the waterproof effect is good.

[0038] As a preferred embodiment of the present invention, Figure 2 and 3 As shown, a sealing rubber ring 92 is provided between the connecting head 5 and the mounting head 8. Specifically, by providing the sealing rubber ring 92, further sealing can be achieved to improve the waterproof performance.

[0039] As a preferred embodiment of the utility model, in order to prevent the locking cap 9 from being unscrewed and affecting the waterproof effect, the utility model embodiment also includes a protective cap 91, which passes through the mounting head 8 and is sleeved on the outside of the locking cap 9.

[0040] As a preferred embodiment of the present invention, Figures 2 to 4 As shown, the circuit board assembly 6 comprises: a PCB board 61, a bayonet 611 is provided on one side of the PCB board 61 close to the connector 5, and a U-shaped connecting piece 62 is provided on the top of the bayonet 611; and a spring 63, one end of which is connected to the plug 2, and the other end is connected to one side of the PCB board 61. Preferably, the spring 63 comprises a U-shaped clamping portion 631, and the side surface of the other side of the PCB board 61 is clamped into the U-shaped clamping portion 631. Specifically, in the embodiment of the utility model, when the PCB board 61 is installed, the connecting conductor 51 can be clamped into the bayonet 611, and the connecting conductor 51 is in contact with the U-shaped connecting piece 62 at the same time, so that the connecting conductor 51 is connected to the PCB board 61 by wire, and the connecting conductor 51 also clamps one end of the PCB board 61, and at the other end of the PCB board 61, the U-shaped clamping portion 631 of the spring 63 clamps the other end of the PCB board 61, and the two ends of the PCB board 61 are clamped. In actual applications, the PCB board 61 is clamped, and when the power adapter falls or collides, the PCB board 61 will not be easily displaced, thereby ensuring the stability of the internal circuit.

[0041] As a preferred embodiment of the present invention, Figure 4As shown, in order to fix the spring piece 63, the spring piece 63 also includes a first connection part 632, a second connection part 633 and a third connection part 634, the first connection part 632 is connected to the plug 2, the second connection part 633 is connected to the first connection part 632 and the third connection part 634, and the third connection part 634 is connected to the U-shaped clamping part 631. Specifically, a first fixing groove 11 is provided in the waterproof jellyfish seat 1, and the second connection part 633 is clamped into the first fixing groove 11. Specifically, a second fixing groove 31 is provided on the lower cover 3 of the housing, and the side of the third connection part 634 close to the U-shaped clamping part 631 can be clamped into the second fixing groove 31.

[0042] As a preferred embodiment of the present invention, Figure 4 As shown, in order to further fix and install the PCB board 61, a plurality of pads 32 are further arranged in the upper cover of the housing, and the circuit board assembly 6 is arranged on the pads 32. Specifically, the PCB board 61 is padded on the top of the pads 32.

[0043] Note that the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention is described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A waterproof sealed power adapter, characterized in that: include: A jellyfish-proof seat (1) on which a plug (2) is arranged; The lower cover (3) of the outer shell is arranged above the waterproof jellyfish seat (1), and is formed integrally with the waterproof jellyfish seat (1). The lower cover (3) of the outer shell is also provided with an integrally formed connector (5), and the connector (5) is provided with an external thread; An upper housing cover (4) is disposed above the lower housing cover (3) and is detachably connected to the lower housing cover (3); A circuit board assembly (6) is arranged in the lower cover (3) of the housing and the waterproof motherboard seat (1), and is connected to the plug (2) by wires; A wire (7) connected to a mounting head (8), the mounting head (8) being insertable into the connector (5), the connector (5) being embedded with a connecting conductor (51), one end of the connecting conductor (51) extending toward the lower cover (3) of the housing and being connected to the wire of the circuit board assembly (6), and the other end of the connecting conductor (51) extending toward the wire (7) and being connected to the wire of the wire (7); The locking cap (9) can pass through the mounting head (8) and be threadedly connected to the connecting head (5).

2. A waterproof sealed power adapter according to claim 1, characterized in that: A sealing rubber ring (92) is provided between the connecting head (5) and the mounting head (8).

3. A waterproof sealed power adapter according to claim 2, characterized in that: It also comprises a protective cap (91), wherein the protective cap (91) passes through the mounting head (8), and the protective cap (91) is sleeved outside the locking cap (9).

4. A waterproof sealed power adapter according to any one of claims 1 to 3, characterized in that: The circuit board assembly (6) comprises: A PCB board (61) having a bayonet (611) on one side close to the connector (5), and a U-shaped connecting piece (62) is disposed on the top of the bayonet (611); A spring (63) has one end connected to the plug (2) and the other end connected to one side of the PCB board (61).

5. A waterproof sealed power adapter according to claim 4, characterized in that: The spring sheet (63) comprises a U-shaped clamping portion (631), and the side surface of the other side of the PCB board (61) is clamped into the U-shaped clamping portion (631).

6. A waterproof sealed power adapter according to claim 5, characterized in that: The spring piece (63) further comprises a first connecting portion (632), a second connecting portion (633) and a third connecting portion (634), wherein the first connecting portion (632) is connected to the plug (2), the second connecting portion (633) is connected to the first connecting portion (632) and the third connecting portion (634), and the third connecting portion (634) is connected to the U-shaped clamping portion (631).

7. A waterproof sealed power adapter according to claim 6, characterized in that: A first fixing groove (11) is provided in the waterproof jellyfish seat (1), and the second connecting portion (633) is inserted into the first fixing groove (11).

8. The waterproof sealed power adapter according to claim 6, characterized in that: The housing lower cover (3) is provided with a second fixing groove (31), and a side of the third connecting portion (634) close to the U-shaped clamping portion (631) can be clamped into the second fixing groove (31).

9. The waterproof sealed power adapter according to claim 1, characterized in that: A plurality of cushion blocks (32) are also arranged inside the upper cover of the housing, and the circuit board assembly (6) is arranged on the cushion blocks (32).

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