Waterproof power adapter

Abstract

The utility model discloses a waterproof power adapter, which comprises a bottom shell, the top of the bottom shell is fixedly connected with a top cover, the bottom end in the bottom shell is fixedly connected with a circuit board, and the left sides of the bottom shell and the top cover are provided with waterproof assemblies for improving the waterproof capability of a socket. According to the waterproof power adapter, the wide-opening shell body, the narrow-opening shell neck, the soft rubber ring, the semicircular lower fixing opening and the semicircular upper fixing opening are arranged, when the waterproof power adapter is used, the semicircular lower fixing opening and the semicircular upper fixing opening form a circular ring opening with threads outside, and the wide-opening shell body on a power input line is pushed to the circular ring opening and screwed tightly; the threads inside the wide-mouth shell body are engaged with the threads outside the semicircular lower fixing port and the semicircular upper fixing port to complete fixation, and the soft rubber ring on the inner wall of the narrow-mouth shell neck is sleeved outside the power supply input line, so that the waterproof function of the socket position is realized, and the problem that the device does not have the waterproof function of the socket position is solved.

Description

Technical Field

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

[0002] A power adapter is a power conversion device for small portable electronic devices and electronic appliances, and is commonly found in small electronic products such as mobile phones, LCD monitors, and laptops.

[0003] Currently, most common power adapters on the market are similar in structure, consisting of components such as a casing, a transformer, an inductor, and a capacitor. There are some functional deficiencies in actual use and there is room for improvement. For example, the power input line is generally separated from the adapter body. When in use, the insertion end of the input line is inserted into the socket on the side of the adapter. There is a gap between the insertion end and the socket. In the case of open water, there is a certain probability that water stains will penetrate along the gap and cause internal short circuit problems. The socket is not waterproof.

[0004] Now, a novel waterproof power adapter is proposed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a waterproof power adapter to solve the problem that the socket position is not waterproof in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waterproof power adapter, comprising a bottom shell, the top of the bottom shell is fixedly connected to a top cover, the bottom end of the bottom shell is fixedly connected to a circuit board, a common inductance capacitor is installed on one side of the top of the circuit board, an input capacitor is arranged on the right side of the common inductance capacitor, two groups of output capacitors are installed on the other side of the top of the circuit board, a transformer is arranged on the left side of the output capacitor, an input line socket is arranged on the left side of the circuit board, an input line plug is inserted on one side of the input line socket, a power input line is arranged on one side of the input line plug, an output line connector is arranged on the right side of the circuit board, a power output line is movably connected to one side of the output line connector, and a waterproof component for increasing the waterproof ability of the socket is arranged on the left side of the bottom shell and the top cover.

[0007] The waterproof component includes a semicircular lower fixing port, which is fixedly connected to one side of the bottom shell, and one side of the top cover is fixedly connected to a semicircular upper fixing port. The outside of the power input line is sleeved with a wide-mouth shell body, and one side of the wide-mouth shell body is fixedly connected to a narrow-mouth shell neck. Multiple groups of soft rubber rings are glued to the inner wall of the narrow-mouth shell neck.

[0008] Preferably, the inner diameter of the soft rubber ring is consistent with the outer diameter of the power input line, the inner wall of the soft rubber ring is in close contact with the outer wall of the power input line, and the power input line and the soft rubber ring are not connected.

[0009] Preferably, the horizontal center lines of the wide-mouth shell body and the narrow-mouth shell neck coincide with each other, and the inner wall of the wide-mouth shell body is provided with threads.

[0010] Preferably, the inner and outer diameters of the semicircular lower fixing opening and the semicircular upper fixing opening are the same, and the inner thread of the wide-mouth shell body matches the outer thread of the semicircular lower fixing opening and the semicircular upper fixing opening.

[0011] Preferably, a miniature temperature sensor is installed at the middle position of the top inner part of the top cover, a liquid crystal display screen is installed inside the top inner part of the top cover, and a connecting line is provided between one side of the liquid crystal display screen and one side of the miniature temperature sensor.

[0012] Preferably, a power line is provided on one side of the micro-miniature temperature sensor, and the liquid crystal display screen and the micro-miniature temperature sensor are electrically connected.

[0013] Preferably, a lower extending cover is fixedly connected to the inner wall of the top cover, a first reserved groove is provided on one side of the bottom of the lower extending cover, a second reserved groove is provided on the other side of the bottom of the lower extending cover, and three groups of outer rubber ridges are glued to the outer wall of the lower extending cover.

[0014] Preferably, the outer diameter of the lower extension cover is matched with the inner diameter of the bottom shell, and the position dimensions of the first reserved groove and the second reserved groove correspond to the position dimensions of the input line socket and the output line connector respectively.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the waterproof power adapter not only realizes the waterproof function of the socket position, but also realizes the function of internal temperature monitoring, and also realizes the function of sealing the joint to prevent water ingress;

[0016] (1) By providing a wide-mouth shell body, a narrow-mouth shell neck, a soft rubber ring, a semicircular lower fixing opening and a semicircular upper fixing opening, when in use, the input line plug is inserted into the input line socket, the power output line and the device are connected, the power input line and the power supply are connected, and the power adapter is installed. The semicircular lower fixing opening and the semicircular upper fixing opening form a circular ring opening with external threads. The wide-mouth shell body on the power input line is pushed toward the circular ring opening and tightened. The threads inside the wide-mouth shell body are engaged with the threads outside the semicircular lower fixing opening and the semicircular upper fixing opening to complete the fixation. The soft rubber ring on the inner wall of the narrow-mouth shell neck is sleeved on the outside of the power input line. Even in the case of being splashed with water, the cover formed by the wide-mouth shell body and the narrow-mouth shell neck can isolate the external water flow, avoid water ingress and short circuit at the socket position, and realize the waterproof function of the socket position;

[0017] (2) By providing a liquid crystal display, a micro temperature sensor, a connecting wire and a power cord, when the power adapter is in use, the capacitor and the transformer parts are prone to heat up during operation. The micro temperature sensor monitors the temperature inside the adapter and feeds back the data on the liquid crystal display through the connecting wire, which is convenient for users to check and judge. When overheating occurs, power is cut off in time to avoid damage to the equipment. The power cord is connected to the circuit board to supply power to the liquid crystal display and the micro temperature sensor, thereby realizing the function of internal temperature monitoring;

[0018] (3) By providing a lower extension cover, a first reserved groove, a second reserved groove and an outer rubber ridge, when the bottom shell and the top cover are closed and connected, the lower extension cover in the top cover extends into the bottom shell, and the three groups of outer rubber ridges fit the inner wall of the bottom shell, which can improve the airtightness of the joint position and block water stains entering from the joint position. The first reserved groove and the second reserved groove reserve space for the input line socket and the output line connector, thereby realizing the function of sealing the joint to prevent water ingress. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a front view structural schematic diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of the top view of the bottom shell of the utility model;

[0021] Figure 3 This is a schematic diagram of the top cover structure of the utility model when viewed from above;

[0022] Figure 4 It is a schematic diagram of the enlarged front view cross section of the wide-mouth shell of the utility model;

[0023] Figure 5 It is a front view structural schematic diagram of the top cover of the utility model.

[0024] In the figure: 1. bottom shell; 2. top cover; 3. circuit board; 4. common inductance capacitor; 5. input capacitor; 6. transformer; 7. output capacitor; 8. input line socket; 9. input line plug; 10. power input line; 11. wide shell body; 12. narrow shell neck; 13. soft rubber ring; 14. lower semicircular fixing mouth; 15. upper semicircular fixing mouth; 16. LCD screen; 17. micro temperature sensor; 18. connecting wire; 19. power cord; 20. lower extension cover; 21. first reserved groove; 22. second reserved groove; 23. outer rubber ridge; 24. output line connector; 25. power output line. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1: Please refer to Figure 1-5 A waterproof power adapter comprises a bottom shell 1, a top cover 2 is fixedly connected to the top of the bottom shell 1, a circuit board 3 is fixedly connected to the bottom end of the bottom shell 1, a common inductance capacitor 4 is installed on one side of the top of the circuit board 3, an input capacitor 5 is arranged on the right side of the common inductance capacitor 4, two groups of output capacitors 7 are installed on the other side of the top of the circuit board 3, a transformer 6 is arranged on the left side of the output capacitor 7, an input line socket 8 is arranged on the left side of the circuit board 3, an input line plug 9 is plugged into one side of the input line socket 8, a power input line 10 is arranged on one side of the input line plug 9, an output line connector 24 is arranged on the right side of the circuit board 3, a power output line 25 is movably connected to one side of the output line connector 24, and a waterproof component for increasing the waterproof ability of the socket is arranged on the left side of the bottom shell 1 and the top cover 2;

[0027] See also Figure 1-5 A waterproof power adapter also includes a waterproof component, which includes a semicircular lower fixing port 14, which is fixedly connected to one side of the bottom shell 1, and a semicircular upper fixing port 15 is fixedly connected to one side of the top cover 2. The outer part of the power input line 10 is sleeved with a wide-mouth shell body 11, and one side of the wide-mouth shell body 11 is fixedly connected to a narrow-mouth shell neck 12, and the inner wall of the narrow-mouth shell neck 12 is glued with multiple groups of soft rubber rings 13;

[0028] The inner diameter of the soft rubber ring 13 is consistent with the outer diameter of the power input line 10, the inner wall of the soft rubber ring 13 is close to the outer wall of the power input line 10, the power input line 10 and the soft rubber ring 13 are not connected, the horizontal center lines of the wide-mouth shell body 11 and the narrow shell neck 12 coincide, the inner wall of the wide-mouth shell body 11 is provided with threads, the inner and outer diameters of the semicircular lower fixing port 14 and the semicircular upper fixing port 15 are the same, the threads inside the wide-mouth shell body 11 and the threads outside the semicircular lower fixing port 14 and the semicircular upper fixing port 15 are consistent, and the waterproof performance of the socket position can be increased;

[0029] Specifically, Figure 2 , Figure 3 and Figure 4As shown, the semicircular lower fixing opening 14 and the semicircular upper fixing opening 15 form a circular ring opening with external threads. The wide-mouth shell body 11 on the power input line 10 is pushed toward the circular ring opening and tightened. The internal threads of the wide-mouth shell body 11 engage with the external threads of the semicircular lower fixing opening 14 and the semicircular upper fixing opening 15 to complete the fixation. The soft rubber ring 13 on the inner wall of the narrow shell neck 12 is sleeved on the outside of the power input line 10. Even in the case of being splashed with water, the cover formed by the wide-mouth shell body 11 and the narrow shell neck 12 can isolate the external flowing water to avoid water ingress and short circuit at the socket position.

[0030] Embodiment 2: A micro-miniature temperature sensor 17 is installed at the middle position of the top of the top cover 2, a liquid crystal display screen 16 is installed inside the top of the top cover 2, a connecting line 18 is provided between one side of the liquid crystal display screen 16 and one side of the micro-miniature temperature sensor 17, a power line 19 is provided on one side of the micro-miniature temperature sensor 17, the liquid crystal display screen 16 and the micro-miniature temperature sensor 17 are electrically connected, and the temperature inside the adapter can be monitored and fed back in real time;

[0031] Specifically, Figure 1 and Figure 3 As shown, the micro temperature sensor 17 keeps monitoring the temperature inside the adapter and feeds back the data on the LCD screen 16 through the connecting line 18, which is convenient for the user to check and judge. Timely power off in case of overheating can avoid damage to the equipment. The power line 19 is connected to the circuit board 3 to provide power for the LCD screen 16 and the micro temperature sensor 17.

[0032] Embodiment 3: A lower extension cover 20 is fixedly connected to the inner wall of the top cover 2, a first reserved groove 21 is provided on one side of the bottom of the lower extension cover 20, a second reserved groove 22 is provided on the other side of the bottom of the lower extension cover 20, three groups of outer rubber ridges 23 are glued to the outer wall of the lower extension cover 20, the outer diameter of the lower extension cover 20 is adapted to the inner diameter of the bottom shell 1, the position and size of the first reserved groove 21 and the second reserved groove 22 correspond to the position and size of the input line socket 8 and the output line connector 24, respectively, which can increase the sealing of the joint position and further improve the waterproof performance;

[0033] Specifically, Figure 4 and Figure 5 As shown, the lower extension cover 20 in the top cover 2 extends into the bottom shell 1, and the three sets of outer rubber edges 23 fit the inner wall of the bottom shell 1, which can improve the airtightness of the seam position and block water stains entering from the seam position. The first reserved groove 21 and the second reserved groove 22 reserve space for the input line socket 8 and the output line connector 24.

[0034] Working principle: When the utility model is in use, first, insert the input line plug 9 into the input line socket 8, dock the power output line 25 with the device, dock the power input line 10 with the power supply, and the power adapter is installed. The lower semicircular fixing port 14 and the upper semicircular fixing port 15 form a circular ring with external threads. Push the wide-mouth shell body 11 on the power input line 10 toward the circular ring and tighten it. The threads inside the wide-mouth shell body 11 engage with the threads outside the lower semicircular fixing port 14 and the upper semicircular fixing port 15 to complete the fixation. The soft rubber ring 13 on the inner wall of the narrow shell neck 12 is sleeved on the outside of the power input line 10. Even in the case of being splashed with water, the cover formed by the wide-mouth shell body 11 and the narrow shell neck 12 can isolate the external water flow to avoid water ingress and short circuit at the socket position. During the operation of the power adapter, the capacitor and transformer 6 parts are prone to heat up. The micro-temperature sensor 17 keeps monitoring the temperature inside the adapter and feeds back the data on the LCD screen 16 through the connecting line 18, which is convenient for users to check and judge. Timely power off when overheating can avoid damage to the equipment. The power line 19 is connected to the circuit board 3 to provide power for the LCD screen 16 and the micro-temperature sensor 17. When the bottom shell 1 and the top cover 2 are closed and connected, the lower extension cover 20 in the top cover 2 extends into the bottom shell 1, and the three groups of outer rubber ridges 23 fit the inner wall of the bottom shell 1, which can improve the airtightness of the joint position and block water stains entering from the joint position. The first reserved groove 21 and the second reserved groove 22 reserve space for the input line socket 8 and the output line connector 24.

[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A waterproof power adapter, comprising a bottom shell (1), characterized in that: The top of the bottom shell (1) is fixedly connected to a top cover (2); the bottom end of the bottom shell (1) is fixedly connected to a circuit board (3); a common inductance capacitor (4) is installed on one side of the top of the circuit board (3); an input capacitor (5) is arranged on the right side of the common inductance capacitor (4); two groups of output capacitors (7) are installed on the other side of the top of the circuit board (3); a transformer (6) is arranged on the left side of the output capacitor (7); an input line socket (8) is arranged on the left side of the circuit board (3); an input line plug (9) is inserted into one side of the input line socket (8); a power input line (10) is arranged on one side of the input line plug (9); an output line connector (24) is arranged on the right side of the circuit board (3); a power output line (25) is movably connected to one side of the output line connector (24); and a waterproof component for increasing the waterproof capability of the socket is arranged on the left side of the bottom shell (1) and the top cover (2); The waterproof component comprises a semicircular lower fixing opening (14), the semicircular lower fixing opening (14) is fixedly connected to one side of the bottom shell (1), one side of the top cover (2) is fixedly connected to a semicircular upper fixing opening (15), the outer portion of the power input line (10) is sleeved with a wide-mouth shell body (11), one side of the wide-mouth shell body (11) is fixedly connected to a narrow-mouth shell neck (12), and a plurality of groups of soft rubber rings (13) are glued to the inner wall of the narrow-mouth shell neck (12).

2. A waterproof power adapter according to claim 1, characterized in that: The inner diameter of the soft rubber ring (13) is consistent with the outer diameter of the power input line (10), the inner wall of the soft rubber ring (13) is in close contact with the outer wall of the power input line (10), and the power input line (10) and the soft rubber ring (13) are not connected.

3. The waterproof power adapter according to claim 1, characterized in that: The horizontal center lines of the wide-mouth shell body (11) and the narrow-mouth shell neck (12) coincide with each other, and the inner wall of the wide-mouth shell body (11) is provided with threads.

4. The waterproof power adapter according to claim 1, characterized in that: The inner and outer diameters of the semicircular lower fixing opening (14) and the semicircular upper fixing opening (15) are the same, and the inner threads of the wide-mouth shell body (11) match the outer threads of the semicircular lower fixing opening (14) and the semicircular upper fixing opening (15).

5. The waterproof power adapter according to claim 1, characterized in that: A micro-miniature temperature sensor (17) is installed at the middle position of the top end inside the top cover (2), a liquid crystal display screen (16) is installed inside the top end of the top cover (2), and a connecting line (18) is provided between one side of the liquid crystal display screen (16) and one side of the micro-miniature temperature sensor (17).

6. A waterproof power adapter according to claim 5, characterized in that: A power line (19) is provided on one side of the micro-sized temperature sensor (17), and the liquid crystal display screen (16) and the micro-sized temperature sensor (17) are electrically connected.

7. The waterproof power adapter according to claim 1, characterized in that: A lower extension cover (20) is fixedly connected to the inner wall of the top cover (2), a first reserved groove (21) is provided on one side of the bottom of the lower extension cover (20), a second reserved groove (22) is provided on the other side of the bottom of the lower extension cover (20), and three groups of outer rubber ridges (23) are glued to the outer wall of the lower extension cover (20).

8. The waterproof power adapter according to claim 7, characterized in that: The outer diameter of the lower extension cover (20) is matched to the inner diameter of the bottom shell (1), and the position dimensions of the first reserved groove (21) and the second reserved groove (22) correspond to the position dimensions of the input line socket (8) and the output line connector (24) respectively.

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