Power adapter convenient to pull out

Abstract

A power adapter convenient to pull out relates to the technical field of power adapters and comprises an adapter main body, one end of the adapter main body is provided with a plug, two sides of an inner cavity of the plug are provided with transmission cavities, one side of the interior of each transmission cavity is provided with an ejector rod, and the ejector rods and the plug are in sliding limit. A first rack is integrally formed on one side of the ejector rod, a driven gear is connected to one side of the first rack in an engaged mode, a transmission gear is fixedly installed on a shaft at the upper end of the driven gear, a transmission plate is installed on the other side in the transmission cavity, and the transmission plate and the plug are in sliding limiting. A second rack is integrally formed on one side of the transmission plate, the second rack is in meshed connection with the transmission gear, pulling plates are arranged on the two sides of the plug, and the problem that force is difficult to apply when the plug is pulled out due to the fact that the clamping force between the plug and equipment is large is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to power adapter technical field, concretely is a power adapter convenient for pulling out. BACKGROUND

[0002] A power adapter is a device specifically designed to convert alternating current power (such as that provided by a household or commercial power outlet) into a specific direct current voltage and current. It usually includes an AC to DC (alternating current to direct current) converter, which can convert unstable alternating current into stable and safe direct current to meet the power supply or charging needs of various portable electronic products such as laptops, smartphones and other electronic devices. The power adapter contains complex internal circuits, including rectifiers, filters, transformers and voltage stabilizers and other components. These components work together to ensure that the output direct current has stable voltage and current, thereby protecting the connected electronic devices from voltage fluctuations or current overload.

[0003] For example, the Chinese authorized patent "Power adapter" with publication number CN208754196U includes a housing, a conversion circuit board that converts the input voltage of the input power into an output voltage, and two or more pins connected to the input power. The pins are fixedly connected to the housing, with the first end of the pins connected to the input power. The conversion circuit board is provided with an elastic clamping terminal corresponding to each pin, and each elastic clamping terminal elastically clamps the second end of the corresponding pin to form an electrical connection.

[0004] The above-mentioned prior art in actual use, to ensure the stability between the plug and the device, after plugging, both maintain a high clamping force, and the side wall of the plug is generally flat structure, need to pull out when it is difficult to force leading to the plug pull out difficult problem, therefore does not meet the existing demand, for this we put forward a kind of power adapter convenient for pulling out. Utility model content

[0005] The utility model aims at providing a kind of power adapter convenient for pulling out to solve the problem that the plug and device clamping force are larger and it is difficult to force when pulling out as described in the above background art.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: A power adapter convenient to pull out, including adapter main part, one end of adapter main part is provided with plug, both sides of plug inner chamber all are provided with transmission cavity, the side of transmission cavity inside is installed with ejection rod, and ejection rod and plug slide limit, the side of ejection rod is integrally formed with first rack, the side of first rack is connected with driven gear and engages, the axle of driven gear upper end is fixedly installed with transmission gear, the other side of transmission cavity inside is installed with transmission plate, and transmission plate and plug slide limit, the side of transmission plate is integrally formed with second rack, and second rack and transmission gear are connected with engagement, both sides of plug are provided with pull plate.

[0007] Preferably, the side wall of the plug is provided with a sliding groove, the inside of the sliding groove is slidably installed with an extension rod, one end of the extension rod is fixed with the transmission plate, and the other end of the extension rod is connected with the pull plate through a rotating shaft.

[0008] Preferably, the diameter of the transmission gear is smaller than that of the driven gear.

[0009] Preferably, the other end of the adapter main body is provided with a connector, the upper and lower ends of the connector are fixedly installed with a fixed seat, one end of the fixed seat is installed with a rotating seat, and the rotating seat is rotatably connected with the fixed seat, the side of the rotating seat is fixedly provided with a connecting rod, and the other end of the connecting rod is fixedly provided with a pull ring.

[0010] Preferably, the rotation angle range of the pull plate and the pull ring is between zero and ninety degrees.

[0011] Preferably, the adapter main body, the plug and the connector are connected through a cable.

[0012] Preferably, the two sides of the front end of the plug are provided with openings corresponding to the positions of the ejection rods.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The utility model discloses a plug pulling mechanism, reset spring is installed on the pivot of extension rod and pull plate connection, the sidewall of plug is kept parallel under the condition that pull plate is not forced, thereby avoiding causing hindrance in the use process, when needing to pull out the plug, the user rotates pull plate, makes its sidewall keep perpendicular with plug, thereby making the finger have sufficient power support, when pulling pull plate to rear, force is transmitted to transmission plate through extension rod, makes it move to rear, under the meshing of second rack in the moving process, drive gear rotates, thereby driving driven gear to rotate, under the meshing of first rack on driven gear and ejector rod, converts rotary motion into linear motion, makes ejector rod extend to outside, realizes the contact with equipment, provides counterforce for plug, thereby can pull out the plug with less effort, because the diameter of drive gear is less than driven gear, when pull plate is pulled, drive gear will rotate at faster speed, but because the diameter of driven gear is larger, its rotation speed will slow down accordingly, and the torque on driven gear will increase, thereby providing greater driving force to push ejector rod linear extension, contacts with equipment and provides stronger counterforce for plug, helps to pull out the plug more easily, and this design can also enhance the stability and durability of mechanism.

[0015] 2. The utility model discloses a connector pulling mechanism, the connector pulling mechanism is composed of fixed seat, rotary seat, connecting rod and pull ring, under the rotary limit of fixed seat, rotary seat can only rotate in the range of zero to ninety degrees, reset spring is installed between fixed seat and rotary seat, and pull ring is located on the end face of connector under the condition that pull ring is not forced, when pulling out connector, the user can pull pull ring from horizontal to vertical direction, then clamps the finger in the inner hole of pull ring, because pull ring keeps fixed with the finger, can avoid the situation that the finger slips with connector in the pulling process, then can easily separate connector and equipment when pulling out connector to outside. DRAWINGS

[0016] Figure 1 It is the perspective view of the utility model;

[0017] Figure 2 It is the plan view of the utility model;

[0018] Figure 3 It is the plug pulling structure schematic diagram of the utility model;

[0019] Figure 4 It is the connector pulling structure schematic diagram of the utility model.

[0020] In the figure: 1, adapter body; 2, plug; 3, joint; 4, cable; 5, transmission cavity; 6, ejector rod; 7, first rack; 8, transmission gear; 9, driven gear; 10, transmission plate; 11, second rack; 12, extension rod; 13, pull plate; 14, sliding groove; 15, fixed seat; 16, rotating seat; 17, connecting rod; 18, pull ring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0022] Please refer to Figures 1-4 The utility model provides an embodiment: a power adapter convenient to pull out, including adapter body 1, the one end of adapter body 1 is provided with plug 2, both sides of plug 2 inner chamber are provided with transmission cavity 5, the inside one side of transmission cavity 5 is installed with ejector rod 6, and ejector rod 6 and plug 2 sliding limit, the one side of ejector rod 6 is integrally formed with first rack 7, and the one side of first rack 7 is connected with driven gear 9, and driven gear 9 upper end's axle is fixedly installed with transmission gear 8, the other side of transmission cavity 5 is installed with transmission plate 10, and transmission plate 10 and plug 2 sliding limit, the one side of transmission plate 10 is integrally formed with second rack 11, and second rack 11 is connected with transmission gear 8, both sides of plug 2 are provided with pull plate 13, and the both sides of plug 2 front end are provided with the opening corresponding with the position of ejector rod 6.

[0023] When needing to pull out plug 2, user rotates pull plate 13, makes its with the lateral wall of plug 2 keep perpendicular, to make the finger have sufficient power support, when pulling pull plate 13 to rear, force is transmitted to transmission plate 10 through extension rod 12, makes it move to rear, in the process of moving, second rack 11 drives transmission gear 8 to rotate under the meshing, further drives driven gear 9 to rotate, under the meshing of driven gear 9 and the first rack 7 of ejector rod 6, converts rotary motion into linear motion, makes ejector rod 6 extend to outside, realizes the contact with equipment, provides counterforce for plug 2, to be able to pull out plug with less effort.

[0024] Please refer to Figure 3 The lateral wall of plug 2 is provided with sliding groove 14, and extension rod 12 is slidably installed in the sliding groove 14, one end of the extension rod 12 is fixed to the transmission plate 10, and the other end of the extension rod 12 is connected to the pull plate 13 through a rotating shaft, and the sliding groove 14 provides a space for the extension rod 12 to move, thereby providing a prerequisite for the smooth movement of the ejector rod 6.

[0025] Please refer to Figure 3, the diameter of the transmission gear 8 is smaller than the driven gear 9, when the pull plate 13 is pulled, the transmission gear 8 will rotate at a faster speed, but because the driven gear 9 is larger in diameter, its speed will slow down accordingly, and the torque on the driven gear 9 will increase, thereby providing greater driving force to push the ejector rod 6 to extend linearly, contact the device and provide stronger reaction force to the plug 2, helping to pull out the plug 2 more easily, and at the same time, this design can also enhance the stability and durability of the mechanism.

[0026] Please refer to Figure 1 and Figure 4 , the other end of the adapter body 1 is provided with a connector 3, the adapter body 1, the plug 2 and the connector 3 are connected through the cable 4, the upper and lower ends of the connector 3 are fixedly installed with the fixed seat 15, one end of the fixed seat 15 is installed with the rotating seat 16, and the rotating seat 16 is rotatably connected with the fixed seat 15, the side surface of the rotating seat 16 is fixedly provided with the connecting rod 17, the other end of the connecting rod 17 is fixedly provided with the pull ring 18, the rotation angle range of the pull plate 13 and the pull ring 18 is zero to ninety degrees, under the rotation limiting of the fixed seat 15, the rotating seat 16 can only rotate in the range of zero to ninety degrees, and the reset spring is installed between the fixed seat 15 and the rotating seat 16, and under the condition that the pull ring 18 is not stressed, it is located on the end surface of the connector 3, when pulling out the connector 3, the user can pull the pull ring 18 from the horizontal to the vertical direction, then the finger is buckled in the inner hole of the pull ring 18, because the pull ring 18 is fixed with the finger, the situation that the finger slips with the connector during pulling out can be avoided, then the connector 3 can be easily separated from the device when it is pulled out to the outside.

[0027] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A power adapter facilitating easy extraction, comprising an adapter body (1); characterized in that: One end of the adapter body (1) is provided with a plug (2), both sides of the inner cavity of the plug (2) are provided with a transmission cavity (5), one side of the inside of the transmission cavity (5) is mounted with an ejection rod (6), and the ejection rod (6) is limited in sliding with the plug (2), one side of the ejection rod (6) is integrally formed with a first rack (7), one side of the first rack (7) is engagedly connected with a driven gear (9), the driven gear (9) is fixedly installed on the shaft at the upper end of the driven gear (9) The transmission gear (8) is installed on the other side of the inside of the transmission cavity (5), and the transmission plate (10) is limited in sliding with the plug (2), one side of the transmission plate (10) is integrally formed with a second rack (11), and the second rack (11) is engagedly connected with the transmission gear (8), both sides of the plug (2) are provided with a pull plate (13).

2. The power adapter of claim 1, wherein: The side wall of the plug (2) is provided with a sliding groove (14), the sliding groove (14) is internally slidably mounted with an extension rod (12), one end of the extension rod (12) is fixed with the transmission plate (10), and the other end of the extension rod (12) is connected with the pull plate (13) through the rotating shaft.

3. The power adapter of claim 1, wherein: The diameter of the transmission gear (8) is smaller than that of the driven gear (9).

4. The power adapter of claim 2, wherein: The other end of the adapter body (1) is provided with a connector (3), the upper and lower ends of the connector (3) are fixedly installed with a fixed seat (15), one end of the fixed seat (15) is installed with a rotating seat (16), and the rotating seat (16) is rotatably connected with the fixed seat (15), the side of the rotating seat (16) is fixedly provided with a connecting rod (17), the other end of the connecting rod (17) is fixedly provided with a pull ring (18).

5. The power adapter of claim 1, wherein: The rotation angle range of the pull plate (13) and the pull ring (18) is zero to ninety degrees.

6. The power adapter of claim 1, wherein: The adapter body (1), the plug (2) and the connector (3) are connected through the cable (4).

7. The power adapter of claim 1, wherein: Both sides of the front end of the plug (2) are provided with openings corresponding to the positions of the ejection rod (6). Both sides of the front end of the plug (2) are provided with openings corresponding to the positions of the ejection rod (6).

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