Power supply connector

Abstract

The utility model belongs to the technical field of power supply connectors, and discloses a power supply connector, which comprises a body, the body is an integrally formed cylinder, the body is provided with a negative terminal, the negative terminal is internally provided with a base, the base is internally provided with a positive terminal and a detection terminal, the detection terminal is located in the positive terminal, and the negative terminal is provided with a positive electrode. The positive terminal and the negative terminal are respectively provided with six contact elastic pieces, welding pins are enlarged, conductive current can be increased, the large current input bearing function is achieved, the large power can reach 300 w, the large current can reach 20-25 A, and the hot plug function is supported. Compared with a square shell, a round shell adopting a stretching process has no joint, is good in strength, can bear four-direction tension of 9 kilograms, is not damaged, and is good in durability.

Description

Technical Field

[0001] The utility model belongs to the technical field of power connectors, and particularly relates to a power connector. Background Art

[0002] DC power connectors are widely used in various electronic devices, such as televisions, computers, outdoor large display devices, etc. In these devices, an external DC power supply provides stable power support. Due to different power consumption and voltage requirements of different devices, power connectors of different specifications need to be designed.

[0003] Currently, similar DC power connectors generally include a power positive terminal, a power negative terminal, a detection terminal, a metal shell, and a plastic body, and have the following problems:

[0004] 1. Their shapes are mostly square, with small power and large volume, resulting in limited applicability of the power connector;

[0005] 2. The product shape is square, which easily causes inconsistent shapes and lacks aesthetics;

[0006] 3. Square products need to increase mechanism openings, and thus the concentricity is limited. Content of the Utility Model

[0007] Aiming at the problems raised in the above background art, the purpose of the present utility model is: to provide a power connector.

[0008] To achieve the above technical purpose, the technical solution adopted by the present utility model is as follows:

[0009] A power connector includes a body, the body is an integrally formed cylindrical shape, a negative terminal is installed on the body, a base is installed inside the negative terminal, a positive terminal and a detection terminal are installed inside the base, the detection terminal is located inside the positive terminal, a shell is installed on the body, and the shell covers the outside of the base.

[0010] Further defined, both the body and the base are made of high-temperature insulating resin material, the body is provided with a step, a first jack, and a first card slot, and the base is provided with a second jack, a second card slot, a fixing hole, and a positioning hole. Such a design forms a cooperation to achieve the effects of anti-misinsertion and easy fixing.

[0011] Further defined, the negative terminal and the positive terminal are made of superconducting copper material, and both the negative terminal and the positive terminal include a first pin, a first current-carrying arm, six first connecting arms, and six first docking arms. Such a design, while achieving the current conduction effect, can also realize the ejection of the negative terminal and the positive terminal under the cooperation of the first docking arm and the base.

[0012] Further defined, the detection terminal is made of conventional phosphor bronze material. The detection terminal includes a second pin, a second current guiding arm, two second connecting arms and two second docking arms. Such a design forms a cooperation, which is beneficial for positioning and fixing.

[0013] Further defined, the housing is made of brass or iron material. The housing includes three third pins, four limiting points and a circular fixing arm. With such a design, the circular fixing arm achieves the purpose of integral molding, and the limiting points realize the blocking and positioning of the position.

[0014] Beneficial effects of adopting the present utility model:

[0015] The positive terminal and the negative terminal of the present utility model each have 6 contact elastic pieces, and the welding pins are enlarged, which can increase the conductive current and undertake the function of large current input. It can withstand a large power of up to 300W and a large current of up to 20 - 25A, and supports the hot plugging function;

[0016] The housing of the present utility model adopts a stretching process. Compared with a square housing, the circular structure has no joints, good strength, can withstand a four-way tensile force of 9 kg without damage, and has good durability;

[0017] The present utility model adopts a split structure, which is convenient for step-by-step assembly and avoids interference during assembly. Brief Description of the Drawings

[0018] The present utility model can be further illustrated by the non-limiting embodiments given in the drawings;

[0019] Figure 1 It is a schematic structural diagram of an embodiment of a power connector of the present utility model;

[0020] Figure 2 It is an exploded structural diagram of an embodiment of a power connector of the present utility model;

[0021] The main element symbols are explained as follows:

[0022] Body 1; negative terminal 2; base 3; positive terminal 4; detection terminal 5; housing 6;

[0023] Step 101; first jack 102; first card slot 103;

[0024] First pin 201; first current guiding arm 202; first connecting arm 203; first docking arm 204;

[0025] Second jack 301; second card slot 302; fixing hole 303; positioning hole 304;

[0026] Second pin 501; second current guiding arm 502; second connecting arm 503; second docking arm 504;

[0027] The third pin 601; the limiting point 602; the circular fixing arm 603. Detailed implementation manners

[0028] To enable those skilled in the art to better understand the present utility model, the technical solution of the present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0029] As Figure 1 、 Figure 2 shown, a power connector of the present utility model includes a body 1. The body 1 is integrally formed in a cylindrical shape. A negative terminal 2 is installed on the body 1. A base 3 is installed inside the negative terminal 2. A positive terminal 4 and a detection terminal 5 are installed in the base 3. The detection terminal 5 is located inside the positive terminal 4. A housing 6 is installed on the body 1. The housing 6 covers the outside of the base 3.

[0030] Preferably, both the body 1 and the base 3 are made of high-temperature insulating resin material. The body 1 is provided with a step 101, a first jack 102 and a first card slot 103. The base 3 is provided with a second jack 301, a second card slot 302, a fixing hole 303 and a positioning hole 304. With such a design, a cooperation is formed to achieve the effects of anti-fooling and easy fixing. In fact, the materials of the body 1 and the base 3 and the cooperation structure between the two can also be considered according to specific situations.

[0031] Preferably, the negative terminal 2 and the positive terminal 4 are made of superconducting copper material. The negative terminal 2 and the positive terminal 4 each include a first pin 201, a first current-carrying arm 202, six first connecting arms 203 and six first docking arms 204. With such a design, while achieving the current conduction effect, the negative terminal 2 and the positive terminal 4 can also jump out under the cooperation of the first docking arm 204 and the base 3. In fact, the structures of the negative terminal 2 and the positive terminal 4 can also be considered according to specific situations.

[0032] Preferably, the detection terminal 5 is made of conventional phosphor bronze material. The detection terminal 5 includes a second pin 501, a second current-carrying arm 502, two second connecting arms 503 and two second docking arms 504. With such a design, a cooperation is formed, which is beneficial for positioning and fixing. In fact, the structure of the detection terminal 5 can also be considered according to specific situations.

[0033] Preferably, the housing 6 is made of brass or iron material. The housing 6 includes three third pins 601, four limiting points 602 and a circular fixing arm 603. With such a design, the circular fixing arm 603 achieves the purpose of integral molding, and the limiting points 602 realize the blocking and positioning of the position. In fact, the material selection of the housing 6 can also be considered according to specific situations.

[0034] In this embodiment, when using a power connector, first install the negative terminal 2 in the body 1. After installation, the end of the negative terminal 2 is flush with the end face of the body 1;

[0035] Then install the detection terminal 5 and the positive terminal 4 in the base 3. The end faces of the detection terminal 5, the positive terminal 4, and the base 3 are also flush;

[0036] Then install the base 3 in the body 1. The two are fixedly installed through a riveting buckle structure. Finally, directly put the housing 6 on the body 1 to complete the installation.

[0037] More specifically, the first current-carrying arm 202 of the negative terminal 2 forms a clearance fit with the inner diameter of the body 1, and the opening on the first current-carrying arm 202 is inserted into the first card slot 103 to fix the position of the first current-carrying arm 202. The first docking arm 204 and the first connecting arm 203 are located in the first jack 102 of the step 101;

[0038] The second current-carrying arm 502 of the detection terminal 5 is inserted into the fixing hole 303 on the base 3 to directly fix the position. The first docking arm 204 and the first connecting arm 203 of the positive terminal 4 are located in the second jack 301 of the base 3. The current-carrying arm 202 provided on the positive terminal 4 is also fixed in position with the second card slot 302;

[0039] Then insert the first pin 201 into the positioning hole 304 on the base 3 to achieve the position positioning between the base 3 and the body 1. Under the effect of the first docking arm 204 of the positive terminal 4, anti-disengagement positioning is achieved through friction;

[0040] Finally, fix the housing 6 on the body 1. Under the effect of the limit point 602, the internal base 3 will not jump out of the installation position.

[0041] The above embodiments only exemplarily illustrate the principles and effects of the present invention, rather than limiting the present invention. Any person familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes completed by those with ordinary knowledge in the technical field without departing from the spirit and technical idea disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. A power connector, comprising a body (1), characterized in that: The body (1) is in the shape of an integral cylinder. The body (1) is provided with a negative terminal (2). A base (3) is provided inside the negative terminal (2). A positive terminal (4) and a detection terminal (5) are provided inside the base (3). The detection terminal (5) is located inside the positive terminal (4). The body (1) is provided with a shell (6). The shell (6) covers the outer side of the base (3).

2. A power connector according to claim 1, characterized in that: The body (1) and the base (3) are both made of high-temperature insulating resin. The body (1) is provided with a step (101), a first plug hole (102) and a first slot (103), and the base (3) is provided with a second plug hole (301), a second slot (302), a fixing hole (303) and a positioning hole (304).

3. A power connector according to claim 2, characterized in that: The negative electrode terminal (2) and the positive electrode terminal (4) are made of superconducting copper. The negative electrode terminal (2) and the positive electrode terminal (4) each comprise a first pin (201), a first current guide arm (202), six first connecting arms (203) and six first docking arms (204).

4. A power connector according to claim 3, characterized in that: The detection terminal (5) is made of phosphor copper, and comprises a second pin (501), a second current guiding arm (502), two second connecting arms (503) and two second docking arms (504).

5. A power connector according to claim 4, characterized in that: The shell (6) is made of brass or iron, and comprises three third pins (601), four limiting points (602) and a circular fixing arm (603).

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