A projector dc plug

Abstract

The utility model discloses a projector direct current plug connector, including male and female seat, male and female seat each other plug connection, the front end of male is equipped with the plug end, the end face of plug end is equipped with a plurality of connecting holes, the connecting hole is equipped with four and presents left and right symmetry and distributes, the inside of male is equipped with a plurality of plug spring leaf, the plug spring leaf is inlayed in connecting hole, the tail of male is equipped with the fixed plate of buckling connection, the front end of female seat is equipped with the plug slot, the plug slot and plug end gap fit connection, the inside of plug slot is equipped with a plurality of conductive core, the conductive core and plug spring leaf one to one corresponding distribution. The utility model discloses utilize male and female seat to form direct current plug connector, through being equipped with trapezoidal distribution plug end and limiting groove in the front end of male, cooperate female seat with the plug slot of limiting pin, improve the security and stability of projector plug connector use.

Description

Technical Field

[0001] This utility model relates to the field of projector technology, specifically to a DC connector for projectors. Background Technology

[0002] A projector, also known as a projector, is a device that projects images or videos. It is widely used in homes, offices, schools, and other places. In some situations, it is necessary to maintain the projector's normal working condition, such as accurately projecting a specific image or video information to a particular location.

[0003] Currently, most projectors on the market use a triangular connector for AC power, often requiring an internal AC-DC converter. This is not conducive to controlling the projector's size and is inconvenient for small portable projectors. Furthermore, the 220V power supply at the connector poses certain safety hazards in portable and mobile scenarios. Therefore, a DC connector for projectors is proposed. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a DC connector for projectors, solving the problems of inconvenience and safety hazards associated with AC power supply for small portable projectors. This utility model utilizes a male connector and a female connector to form a DC connector, facilitating direct low-voltage DC power supply and significantly reducing the size of the projector. By providing trapezoidal plug ends and a limiting groove at the front end of the male connector, combined with a plug groove on the female connector featuring a limiting pin, the safety and stability of the projector connector are improved. Furthermore, by incorporating a plug spring inside the male connector, in conjunction with a conductive core inside the female connector, the stability of the connector's electrical performance is enhanced, and the safety of the connector under high current is strengthened.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a projector DC connector, comprising a male plug and a female connector, wherein the male plug and the female connector are plugged into each other. The front end of the male plug is provided with a plug-in end, and the end face of the plug-in end is provided with a plurality of connection holes. The connection holes are four in number and are distributed symmetrically from left to right. The male plug is provided with a plurality of plug-in springs inside, and the plug-in springs are embedded in the connection holes. The tail end of the male plug is provided with a fastening fixing plate. The front end of the female connector is provided with a plug-in groove, and the plug-in groove is clearance-fitted with the plug-in end. The plug-in groove is provided with a plurality of conductive cores, and the conductive cores are distributed one-to-one with the plug-in springs.

[0008] As an improvement to the above technical solution, the plug-in terminals are distributed in an isosceles trapezoidal shape, and a limiting groove is formed on the long side of the plug-in terminals.

[0009] As an improvement to the above technical solution, the inner wall of the insertion groove is provided with a protruding limiting pin, and the limiting pin is inserted into the limiting groove.

[0010] As an improvement to the above technical solution, the side wall of the fixing plate is provided with several fixing grooves, and the end of the plug-in spring is embedded in the fixing groove.

[0011] As an improvement to the above technical solution, the inner wall of the fixing plate is provided with a support block, which is embedded inside the plug-in spring.

[0012] As an improvement to the above technical solution, the lower surface of the female base is provided with a protruding positioning post, and the conductive core is embedded in the female base in an L-shape.

[0013] (III) Beneficial Effects

[0014] This utility model provides a DC connector for a projector. It has the following advantages:

[0015] This utility model utilizes a male connector and a female connector to form a DC connector, which facilitates direct low-voltage DC power supply and greatly reduces the size of the projector. By providing trapezoidal plug ends and limiting grooves at the front end of the male connector, and cooperating with the female connector's plug groove with limiting pins, the safety and stability of the projector connector are improved. By providing plug springs inside the male connector, and cooperating with the conductive core inside the female connector, the electrical performance stability of the connector is improved, and the safety of the connector under high current is enhanced. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of the DC connector for the projector of this utility model;

[0017] Figure 2 This is a schematic diagram of the overall structure of the female base of this utility model;

[0018] Figure 3 This is a schematic diagram of the overall structure of the male connector of this utility model;

[0019] Figure 4 This is an exploded view of the male fitting part of this utility model.

[0020] In the diagram: male connector-1, female connector-2, connector end-3, connecting hole-4, connector spring-5, fixing plate-6, connector groove-7, conductive core-8, limiting groove-9, limiting pin-10, fixing groove-11, support block-12, positioning post-13. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-4 This utility model provides a technical solution: a projector DC connector, including a male plug 1 and a female connector 2, the male plug 1 and the female connector 2 being plugged into each other. The front end of the male plug 1 is provided with a plug-in end 3, and the end face of the plug-in end 3 is provided with a plurality of connection holes 4. There are four connection holes 4 distributed symmetrically from left to right. The male plug 1 is provided with a plurality of plug-in springs 5 ​​inside, and the plug-in springs 5 ​​are embedded in the connection holes 4. The tail end of the male plug 1 is provided with a fastening fixing plate 6. The front end of the female connector 2 is provided with a plug-in groove 7, and the plug-in groove 7 is connected to the plug-in end 3 with a clearance fit. The plug-in groove 7 is provided with a plurality of conductive cores 8 inside, and the conductive cores 8 are distributed one-to-one with the plug-in springs 5.

[0023] Further improvements include the insertion terminals 3 being distributed in an isosceles trapezoidal shape, with a limiting groove 9 provided on the long side of the insertion terminals 3. By adopting an isosceles trapezoidal shape for the insertion terminals 3, combined with the limiting groove 9 on the bottom edge, the design effectively prevents incorrect insertion during connection and improves safety during use.

[0024] In a further improvement, the inner wall of the insertion groove 7 is provided with a protruding limiting pin 10, which is inserted into the limiting groove 9. By providing the limiting pin 10 on the inner wall of the insertion groove 7, it is convenient to connect with the insertion groove 7 at the edge of the insertion end 3, and facilitates quick positioning during insertion.

[0025] Further improvements include the provision of several fixing grooves 11 on the side wall of the fixing plate 6, with the end of the plug-in spring 5 embedded in the fixing groove 11. By providing fixing grooves 11 on the side wall of the fixing plate 6 to connect with the end of the plug-in spring 5, the stability of the connection between the plug-in spring 5 and the end and the male plug 1 is improved.

[0026] In a further improvement, the inner wall of the fixing plate 6 is provided with a support block 12, which is embedded inside the plug spring 5. By providing a support block 12 embedded inside the plug spring 5 on the inner wall of the fixing plate 6, the stability of the connection between the plug spring 5 and the male plug 1 is improved.

[0027] Specifically, the lower surface of the female connector 2 is provided with a raised positioning post 13, and the conductive core 8 is embedded in the female connector 2 in an L-shape. By providing a raised positioning post 13 on the lower surface of the female connector 2, and cooperating with the L-shaped distributed conductor core, the stability of the welding between the female connector 2 and the PCB board surface is improved.

[0028] In use, the female connector 2 is pre-welded and fixed to the PCB board surface of the projector, and the male connector 1 is plugged into the female connector 2 and then connected to the power supply. The plug-in end 3 at the front end of the male connector 1 is plugged into the plug-in slot 7 inside the female connector 2. At the same time, the plug-in spring 5 inside the male connector 1 is connected to the conductive core 8 inside the female connector 2, which improves the stability of the electrical connection, facilitates the passage of large current, and improves the safety and stability of the projector's power supply.

[0029] This invention addresses the problem that most existing projectors on the market use triangular connectors for AC power supply, often requiring an internal AC-DC conversion module, which is not conducive to controlling the size of the projector and is inconvenient for small portable projectors. Furthermore, the 220V power supply at the connector poses certain safety hazards in portable and mobile scenarios. This invention utilizes a male plug 1 and a female socket 2 to form a DC connector, facilitating direct low-voltage DC power supply and significantly reducing the size of the projector. By providing trapezoidal plug ends 3 and limiting grooves 9 at the front end of the male plug 1, and cooperating with the plug groove 7 of the female socket 2 with limiting pins 10, the safety and stability of the projector connector are improved. By providing a plug spring 5 inside the male plug 1, and cooperating with the conductive core 8 inside the female socket 2, the stability of the connector's electrical performance is improved, and the safety of the connector under excessive current is enhanced.

[0030] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0031] Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first," "second," "third," or "fourth" may explicitly or implicitly include at least one of those features.

[0032] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0033] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A projector DC connector, comprising a male connector (1) and a female connector (2), characterized in that: The male plug (1) and the female socket (2) are connected to each other. The front end of the male plug (1) is provided with a plug end (3). The end face of the plug end (3) is provided with several connecting holes (4). There are four connecting holes (4) and they are distributed symmetrically from left to right. The male plug (1) is provided with several plug springs (5). The plug springs (5) are embedded in the connecting holes (4). The tail of the male plug (1) is provided with a fastening and connecting fixing plate (6). The front end of the female socket (2) is provided with a plug groove (7). The plug groove (7) is connected to the plug end (3) with a clearance fit. The plug groove (7) is provided with several conductive cores (8). The conductive cores (8) are distributed one-to-one with the plug springs (5).

2. The projector DC connector according to claim 1, characterized in that: The plug-in end (3) is distributed in the shape of an isosceles trapezoid, and a limiting groove (9) is provided on the long side of the plug-in end (3).

3. A projector DC connector according to claim 2, characterized in that: The inner wall of the insertion groove (7) is provided with a protruding limiting pin (10), and the limiting pin (10) is inserted into the limiting groove (9).

4. A projector DC connector according to claim 1, characterized in that: The side wall of the fixing plate (6) is provided with several fixing grooves (11), and the end of the plug spring (5) is embedded in the fixing groove (11).

5. A projector DC connector according to claim 1, characterized in that: The inner wall of the fixing plate (6) is provided with a support block (12), which is embedded in the interior of the plug spring (5).

6. A projector DC connector according to claim 1, characterized in that: The lower surface of the female base (2) is provided with a protruding positioning post (13), and the conductive core (8) is embedded in the female base (2) in an L shape.

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