Power supply connector

Abstract

The utility model discloses a power supply connector, and belongs to the technical field of power supply connectors. A power connector comprises a female head shell and a male head shell, and further comprises two female head metal needles which are both fixedly connected in the female head shell, the female head metal needles and the female head shell are integrally formed in an injection molding mode, two male head terminals are fixedly connected in the male head shell, and the male head terminals and the male head shell are integrally formed in an injection molding mode. According to the utility model, through the design of integrated injection molding of the female head metal needle and the female head shell and the design of integrated injection molding of the male head terminal and the male head shell, the overall sealing performance inside and outside the power supply connector can be improved, and the waterproof performance of the power supply connector is further improved; a gap at the joint of the female head shell and the male head shell can be better plugged, the waterproof effect of the power connector is further improved, and therefore the probability that the power connector is affected with damp and damaged is greatly reduced.

Description

Technical Field

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

[0002] A power connector is a device used for connecting power transmission. Common ones include plug sockets, power cord connectors, power plugs, etc. Power connectors are usually used to connect electrical equipment to a power system to supply the power required for the normal operation of the equipment.

[0003] When assembling the male connector head and the female connector head of the existing power connector, due to a certain gap at the connection between the male connector head and the female connector head, the waterproof effect of the power connector is not good, and it cannot effectively prevent the entry of moisture and humidity, thus increasing the probability of the power connector being damaged by moisture. Therefore, in order to solve the above-mentioned problems, a power connector is provided. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the problem that the waterproof effect of the power connector in the prior art is not good, thus increasing the probability of the power connector being damaged by moisture, and to provide a power connector.

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

[0006] A power connector includes a female head housing and a male head housing, and further includes: two female head metal pins, both fixedly connected inside the female head housing, wherein the female head metal pins and the female head housing are integrally injection molded; two male head terminals are fixedly connected inside the male head housing, and the male head terminals and the male head housing are integrally injection molded. When the female head housing and the male head housing are connected to each other, the male head terminals are inserted into the female head metal pins; a waterproof sleeve is installed on the female head housing, and a waterproof ring is fixedly connected to the waterproof sleeve. When the female head housing and the male head housing are connected to each other, the waterproof ring closely adheres to the inner wall of the male head housing.

[0007] In order to limit the waterproof sleeve and the waterproof ring, preferably, a positioning groove is formed on the surface of the female head housing, and the waterproof sleeve is fixedly sleeved in the positioning groove.

[0008] In order to improve the waterproof effect of the connector, preferably, the number of the waterproof rings is two, and the two waterproof rings are symmetrically arranged on the surface of the waterproof sleeve.

[0009] In order to facilitate soldering the wire conductor and the female head metal pin, preferably, a wire welding clip mouth is provided at one end of the female head metal pin away from the male head terminal, and the shape of the wire welding clip mouth is L-shaped.

[0010] For facilitating electroplating the interior of the female metal pin, preferably, electroplating process holes are provided on the female metal pin, and the electroplating process holes communicate with the inner cavity of the female metal pin.

[0011] For facilitating the installation and connection of the connector, preferably, marking areas are provided on both the female housing and the male housing, and positive and negative markings are provided in the marking areas.

[0012] For making the connection between the male terminal and the female metal pin more stable, preferably, one end of the male terminal close to the female metal pin is composed of four elastic pieces, and the four elastic pieces are all designed in an arc shape.

[0013] For improving the connection efficiency between the male terminal and the female metal pin, preferably, one end of the female metal pin close to the male terminal is designed with an inner chamfer.

[0014] For ensuring the safety, durability and waterproofness of the connector, preferably, the materials of the female housing and the male housing are both polyvinyl chloride.

[0015] For ensuring the waterproof effect of the waterproof sleeve and the waterproof ring, preferably, the materials of the waterproof sleeve and the waterproof ring are both silica gel.

[0016] Compared with the prior art, the present utility model provides a power connector, which has the following

[0017] Beneficial effects:

[0018] 1. For this power connector, through the design of integrally injection molding the female metal pin, the female housing, the male terminal and the male housing, the overall sealing performance inside and outside the power connector can be improved, and thus the waterproof performance of the power connector is improved.

[0019] 2. For this power connector, through the combined use of the waterproof sleeve and the waterproof ring, the gap at the connection between the female housing and the male housing can be better blocked, moisture and humidity can be effectively prevented from entering, the waterproof effect of the power connector is further improved, and thus the probability of the power connector being damaged by moisture is greatly reduced.

[0020] Parts not involved in this device are the same as or can be implemented by using the prior art. The present utility model solves the problem that the waterproof effect of the prior art power connector is poor, thus increasing the probability of the power connector being damaged by moisture. Description of the Drawings

[0021] Figure 1 It is an isometric structural schematic diagram of a power connector provided by the present utility model in a connected state;

[0022] Figure 2Schematic axonometric view of a power connector in a disassembled state proposed by the present utility model;

[0023] Figure 3 Schematic sectional view of the male housing of a power connector proposed by the present utility model;

[0024] Figure 4 Schematic partial axonometric view of a power connector proposed by the present utility model;

[0025] Figure 5 Schematic sectional view of the female housing of a power connector proposed by the present utility model.

[0026] In the figure: 1, female housing; 2, female metal pins; 3, male housing; 4, male terminals; 5, waterproof sleeve; 51, positioning groove; 6, waterproof ring; 7, wire welding clip; 8, electroplating process hole; 9, marking area. Detailed implementation manners

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0028] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0029] Embodiment:

[0030] Refer to Figures 1 - 5 , the embodiment of the present utility model provides a power connector, including a female housing 1 and a male housing 3, and further including: two female metal pins 2, both fixedly connected inside the female housing 1, wherein the female metal pins 2 and the female housing 1 are integrally injection-molded; two male terminals 4 are fixedly connected inside the male housing 3, and the male terminals 4 and the male housing 3 are integrally injection-molded. When the female housing 1 and the male housing 3 are connected to each other, the male terminals 4 are inserted into the female metal pins 2; a waterproof sleeve 5 is installed on the female housing 1, wherein a waterproof ring 6 is fixedly connected to the waterproof sleeve 5. When the female housing 1 and the male housing 3 are connected to each other, the waterproof ring 6 closely adheres to the inner wall of the male housing 3.

[0031] Specifically, during use, due to the design of integrally injection molding the female head metal pin 2, the female head housing 1, the male head terminal 4, and the male head housing 3, the overall sealing performance inside and outside the power connector can be improved, thereby enhancing the waterproof performance of the power connector. Moreover, through the combined use of the waterproof sleeve 5 and the waterproof ring 6, the gap at the connection between the female head housing 1 and the male head housing 3 can be better blocked, effectively preventing moisture and humidity from entering, further improving the waterproof effect of the power connector, and thus greatly reducing the probability of the power connector being damaged by moisture.

[0032] A positioning groove 51 is formed on the surface of the female head housing 1, and the waterproof sleeve 5 is fixedly sleeved in the positioning groove 51.

[0033] Specifically, through the provision of the positioning groove 51, the waterproof sleeve 5 and the waterproof ring 6 can be limited in position, preventing the waterproof sleeve 5 and the waterproof ring 6 from shifting when the female head housing 1 and the male head housing 3 are plugged together.

[0034] The number of the waterproof rings 6 is two, and the two waterproof rings 6 are symmetrically arranged on the surface of the waterproof sleeve 5.

[0035] Specifically, through the provision of the two waterproof rings 6, the gap between the female head housing 1 and the male head housing 3 can be better blocked, thus greatly improving the waterproof effect of the power connector.

[0036] One end of the female head metal pin 2 away from the male head terminal 4 is provided with a wire welding clip 7, and the shape of the wire welding clip 7 is L-shaped.

[0037] Specifically, through the provision of the wire welding clip 7, the wire conductor can be conveniently inserted into the female head metal pin 2 from the wire welding clip 7, thus facilitating the soldering of the wire conductor and the female head metal pin 2.

[0038] Electroplating process holes 8 are formed on the female head metal pin 2, and the electroplating process holes 8 communicate with the inner cavity of the female head metal pin 2.

[0039] Specifically, through the provision of the electroplating process holes 8, the liquid can flow more easily into the female head metal pin 2 during electroplating, and after electroplating, the liquid can be drained more thoroughly, thus facilitating the electroplating process of the inside of the female head metal pin 2.

[0040] Marking areas 9 are provided on both the female head housing 1 and the male head housing 3, and positive and negative markings are provided in the marking areas 9.

[0041] Specifically, through the provision of the marking areas 9, it is convenient to distinguish the positive and negative poles of the connector, thus facilitating the installation and connection of the connector.

[0042] One end of the male head terminal 4 close to the female head metal pin 2 is composed of four elastic pieces, and the four elastic pieces are all arc-shaped designs.

[0043] Specifically, with such a design, the male terminal 4 can be more firmly connected to the female metal pin 2 through elasticity and is not easily loosened.

[0044] One end of the female metal pin 2 close to the male terminal 4 is designed with an inner chamfer.

[0045] Specifically, with such a design, it is convenient to quickly insert the male terminal 4 into the female metal pin 2, thereby improving the connection efficiency between the male terminal 4 and the female metal pin 2.

[0046] The materials of the female housing 1 and the male housing 3 are both polyvinyl chloride.

[0047] Specifically, by using polyvinyl chloride, it has the advantages of good insulation performance, wear resistance and anti-aging. At the same time, it is also convenient for injection molding processing, and can ensure the safety, durability and waterproofness of the connector.

[0048] The materials of the waterproof sleeve 5 and the waterproof ring 6 are both silicone.

[0049] Specifically, by using silicone, it has the advantages of high temperature resistance, aging resistance, corrosion resistance, good elasticity and good sealing performance, and is suitable for waterproof sealing in various indoor and outdoor environments, so as to ensure the waterproof effect of the waterproof sleeve 5 and the waterproof ring 6.

[0050] During the use of this power connector, first, the female housing 1 and the male housing 3 are assembled, and the female housing 1 is inserted into the male housing 3, so that the male terminal 4 is synchronously inserted into the female metal pin 2. At the same time, the waterproof ring 6 is closely attached to the inner wall of the male housing 3 to complete the assembly. When in use, through the design of integrally injection molding the female metal pin 2 and the female housing 1 as well as the male terminal 4 and the male housing 3, the overall sealing performance inside and outside the power connector can be improved, thereby improving the waterproof performance of the power connector. And through the combined use of the waterproof sleeve 5 and the waterproof ring 6, the gap at the connection between the female housing 1 and the male housing 3 can be better blocked, effectively preventing moisture and humidity from entering, further improving the waterproof effect of the power connector, and thus greatly reducing the probability of the power connector being damaged by moisture.

[0051] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.

Claims

1. A power connector, comprising a female housing (1) and a male housing (3), characterized in that: Also includes: Two female metal pins (2) are fixedly connected in the female housing (1). The female metal pin (2) and the female housing (1) are integrally injection molded, two male terminals (4) are fixedly connected inside the male housing (3), the male terminals (4) and the male housing (3) are integrally injection molded, and when the female housing (1) and the male housing (3) are connected to each other, the male terminals (4) are plugged into the female metal pin (2); A waterproof cover (5) is mounted on the female connector housing (1). Wherein, a waterproof ring (6) is fixedly connected to the waterproof sleeve (5); when the female shell (1) and the male shell (3) are connected to each other, the waterproof ring (6) is tightly attached to the inner wall of the male shell (3).

2. A power connector according to claim 1, characterized in that: A positioning groove (51) is provided on the surface of the female head housing (1), and the waterproof sleeve (5) is fixedly sleeved in the positioning groove (51).

3. A power connector according to claim 1, characterized in that: The number of the waterproof rings (6) is two, and the two waterproof rings (6) are symmetrically arranged on the surface of the waterproof cover (5).

4. A power connector according to claim 1, characterized in that: A welding wire clamp (7) is provided at one end of the female metal needle (2) away from the male terminal (4), and the welding wire clamp (7) is in an L-shape.

5. A power connector according to claim 1, characterized in that: The female metal needle (2) is provided with an electroplating process hole (8), and the electroplating process hole (8) is communicated with the inner cavity of the female metal needle (2).

6. A power connector according to claim 1, characterized in that: The female housing (1) and the male housing (3) are both provided with a marking area (9), and the marking area (9) is provided with positive and negative pole markings.

7. A power connector according to claim 1, characterized in that: One end of the male terminal (4) close to the female metal needle (2) is composed of four elastic sheets, and the four elastic sheets are all of arc-shaped design.

8. The power connector according to claim 1, characterized in that: The end of the female metal pin (2) close to the male terminal (4) is designed with an inner chamfer.

9. The power connector according to claim 1, characterized in that: The female housing (1) and the male housing (3) are both made of polyvinyl chloride.

10. The power connector according to claim 1, characterized in that: The waterproof cover (5) and the waterproof ring (6) are both made of silica gel.

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