Electric connector

Abstract

The utility model discloses an electric connector, which belongs to the field of electric connectors, and comprises a metal shell, a first plastic main body, a first conductive terminal group and a second conductive terminal group, the metal shell is arranged on the periphery of the first plastic main body, the first conductive terminal group and the second conductive terminal group are arranged in the first plastic main body, and the metal shell is arranged on the periphery of the first plastic main body. Or a first conductive terminal group is arranged in the first plastic main body, a second conductive terminal group is arranged in the metal shell, and two ends of the metal shell are provided with mounting parts. According to the electric connector provided by the utility model, through the arrangement of the metal shell, the strength of the electric connector is improved, and the first plastic main body is prevented from cracking when the electric connector is subjected to external force, vibration, impact and screw locking.

Description

Technical Field

[0001] The utility model belongs to the field of electric connectors, and in particular relates to an electric connector. Background Art

[0002] Electrical connectors are indispensable electronic components in various electrical and electronic systems, and are widely used in aerospace, aviation, nuclear industry, weapons, ships, electronics, transportation, computers, communications, medical treatment, oil exploration and other industries. Their main function is to realize the transmission of electrical signals in the circuit. They are the "nerve hub and contact point" of the electrical signal transmission system, and their quality directly affects the performance and quality of the product.

[0003] The main body of the current DA CEM connector is made of plastic material, which has the following problems during use:

[0004] 1. When the first plastic body of the connector is subjected to external force, vibration, or impact, cracks may occur in the first plastic body of the connector.

[0005] 2. When the screw holes on the first plastic body of the connector are tightened with screws, if the tightening force is large, the first plastic body may crack. Utility Model Content

[0006] The purpose of the utility model is to provide an electrical connector to overcome at least one of the above-mentioned defects in the prior art.

[0007] To achieve this purpose, the utility model adopts the following technical solutions:

[0008] The utility model provides an electrical connector, comprising a metal shell, a first plastic body, a first conductive terminal group, and a second conductive terminal group. The metal shell is arranged on the periphery of the first plastic body, and the first conductive terminal group and the second conductive terminal group are arranged inside the first plastic body, or the first conductive terminal group is arranged inside the first plastic body, and the second conductive terminal group is arranged inside the metal shell. Both ends of the metal shell have mounting parts.

[0009] Preferably, the device further comprises a cable and an outer mold, wherein the cable is electrically connected to the first conductive terminal group, and the outer mold at least covers the electrical connection area between the first conductive terminal group and the cable.

[0010] Preferably, the cable outlet direction is perpendicular and / or parallel to the docking direction of the first conductive terminal group.

[0011] Preferably, the bottom of the metal shell has a first clamping portion, the top of the outer mold has a second clamping portion, and the first clamping portion cooperates with the second clamping portion.

[0012] Preferably, both left and right ends of the outer mold have a third clamping portion, and the metal shell has a fourth clamping portion that cooperates with the third clamping portion.

[0013] Preferably, the first conductive terminal group includes a plurality of signal terminals, and the second conductive terminal group includes a plurality of power terminals, and the power terminals are fisheye terminals.

[0014] Preferably, the second conductive terminal group also includes a second plastic body, and a plurality of power terminals are arranged in the second plastic body. The interior of the metal shell has a first accommodating cavity and a second accommodating cavity that are independent of each other. The first plastic body is arranged in the first accommodating cavity, and the second plastic body is arranged in the second accommodating cavity.

[0015] Preferably, the bottom of the metal shell outside the second conductive terminal group has a positioning column, and the positioning column protrudes outside the second conductive terminal group.

[0016] Preferably, a positioning sheet is provided at the bottom of the first plastic body.

[0017] Preferably, the first plastic body has a first docking interface, the metal shell has a second docking interface, and the size of the second docking interface is greater than or equal to the size of the first docking interface.

[0018] The beneficial effects of the utility model are:

[0019] 1. The metal shell is provided to improve the strength of the electrical connector and prevent the first plastic body from cracking when the electrical connector is subjected to external force, vibration, impact, and screw fastening.

[0020] 2. By integrating the first conductive terminal group and the second conductive terminal group into the first plastic body, the whole is more stable.

[0021] 3. The first clamping portion and the second clamping portion cooperate to improve the connection stability between the outer mold and the metal shell, thereby improving the electrical connection stability between the first conductive terminal group and the cable.

[0022] 4. The connection stability between the metal shell and the outer mold is further improved through the cooperation between the third clamping part and the fourth clamping part.

[0023] 5. The positioning column plays a role in positioning when the electrical connector of the present application is connected to the circuit board, thereby preventing the fisheye terminal from being damaged by collision or tilted insertion.

[0024] 6. The positioning sheet plays a role in positioning when the electrical connector of the present application is connected to the circuit board, and cooperates with the positioning column to achieve a better positioning effect.

[0025] 7. The second conductive terminal set is set independently from the first plastic body and installed separately in the second accommodating cavity. The second conductive terminal set can be replaced according to different usage requirements, or when the second conductive terminal set is damaged, it does not need to be connected to the first conductive terminal set to be replaced together, which has wider adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a three-dimensional explosion structure schematic diagram of the first embodiment of the utility model.

[0027] Figure 2 It is a main structural schematic diagram of the first embodiment of the utility model.

[0028] Figure 3 It is a rear structural schematic diagram of the first embodiment of the utility model.

[0029] Figure 4 It is a three-dimensional exploded structural schematic diagram of a metal shell and an outer mold according to a first embodiment of the utility model.

[0030] Figure 5 It is a three-dimensional exploded structural diagram of the metal shell and the first plastic body of the first embodiment of the utility model.

[0031] Figure 6 It is a partial bottom view structural diagram of the second embodiment of the utility model.

[0032] Figure 7 It is a three-dimensional structural schematic diagram of the metal shell of the second embodiment of the utility model.

[0033] Figure 8 It is a three-dimensional structural schematic diagram of the third embodiment of the utility model.

[0034] The marks in the accompanying drawings are: 1-cable, 2-first plastic body, 21-first pair of interfaces, 3-signal terminal, 4-power terminal, 5-installation part, 6-outer mold, 7-metal shell, 71-first card part, 61-second card part, 62-third card part, 72-fourth card part, 8-second plastic body, 73-first accommodating cavity, 74-second accommodating cavity, 75-positioning column, 76-second pair of interfaces, 9-positioning plate. DETAILED DESCRIPTION

[0035] The utility model is now further described in conjunction with the accompanying drawings and specific implementation methods.

[0036] Contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field. In the description of the present utility model, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0037] Embodiment 1:

[0038] like Figures 1 to 5 As shown, the electrical connector provided in this embodiment includes a metal shell 7, a first plastic body 2, a first conductive terminal group, a second conductive terminal group, a cable 1, and an outer mold 6. The first conductive terminal group of this embodiment includes a plurality of signal terminals 3, and the second conductive terminal group includes a plurality of power terminals 4, the power terminals 4 are fisheye terminals, and the first conductive terminal group is located on the right side of the second conductive terminal group. The metal shell 7 is arranged on the periphery of the first plastic body 2. The metal shell 7 of this embodiment surrounds the first plastic body 2. The first plastic body 2 has a first docking interface 21, and the metal shell 7 has a second docking interface 76. The size of the second docking interface 76 is equal to the size of the first docking interface 21. In other embodiments, the size of the second docking interface 76 can also be larger than the size of the first docking interface 21. The first plastic body 2 is provided with a first conductive terminal group and a second conductive terminal group. The metal shell 7 has mounting portions 5 at both ends. The mounting portions 5 of this embodiment are mounting holes. The cable 1 is electrically connected to the first conductive terminal group, and the outer mold 6 at least covers the electrical connection area between the first conductive terminal group and the cable 1. The outlet direction of the cable 1 is perpendicular to the docking direction of the first conductive terminal group. The cable 1 of this embodiment is forward. The metal shell 7 is provided to improve the strength of the electrical connector and prevent the first plastic body 2 from cracking due to external force, vibration, impact, and screw tightening. The bottom end of the fisheye terminal is inserted into the circuit board to achieve electrical connection with the circuit board. By integrating the first conductive terminal group and the second conductive terminal group into the first plastic body 2, the whole is more stable.

[0039] The bottom of the metal shell 7 has a first clamping portion 71, and the top of the outer mold 6 has a second clamping portion 61, and the first clamping portion 71 cooperates with the second clamping portion 61. In this embodiment, the first clamping portion 71 is a clamping block, and the second clamping portion 61 is a clamping slot. In other embodiments, the first clamping portion 71 may be a clamping slot, and the second clamping portion 61 may be a clamping block. Through the cooperation of the first clamping portion 71 and the second clamping portion 61, the connection stability between the outer mold 6 and the metal shell 7 is improved, and then the electrical connection stability between the first conductive terminal group and the cable 1 is improved.

[0040] The left and right ends of the outer mold 6 each have a third clamping portion 62, and the metal shell 7 has a fourth clamping portion 72 that cooperates with the third clamping portion 62. In this embodiment, the third clamping portion 62 is a clamping slot, and the fourth clamping portion 72 is a clamping block. In other embodiments, the third clamping portion 62 may be a clamping block, and the fourth clamping portion 72 may be a clamping slot. Through the cooperation between the third clamping portion 62 and the fourth clamping portion 72, the connection stability between the metal shell 7 and the outer mold 6 is further improved.

[0041] The left side of the bottom of the metal shell outside the second conductive terminal group has a positioning column 75, which protrudes outside the second conductive terminal group. The positioning column 75 plays a positioning role when the electrical connector of the present application is connected to the circuit board, preventing the fisheye terminal from being damaged by collision or tilting and inserting.

[0042] A positioning piece 9 is provided on the right side of the bottom of the first plastic body 2. The positioning piece 9 plays a positioning role when the electrical connector of the present application is connected to the circuit board, and cooperates with the positioning column 75 to achieve a better positioning effect.

[0043] Embodiment 2:

[0044] like Figure 6 to Figure 7 As shown, the difference between this embodiment and the first embodiment is that:

[0045] The first plastic body 2 is provided with a first conductive terminal group inside, and the second conductive terminal group is provided inside the metal shell 7. The second conductive terminal group also includes a second plastic body 8, and a plurality of power terminals 4 are provided in the second plastic body 8. The metal shell 7 has a first accommodating cavity 73 and a second accommodating cavity 74 that are independent of each other. The first plastic body 2 is provided in the first accommodating cavity 73, and the second plastic body 8 is provided in the second accommodating cavity 74. In this embodiment, the second conductive terminal group is provided independently from the first plastic body 2 and is installed separately in the second accommodating cavity 74. The second conductive terminal group can be replaced according to different usage requirements, or when the second conductive terminal group is damaged, it does not need to be connected to the first conductive terminal group for replacement, and has wider adaptability.

[0046] Embodiment three:

[0047] like Figure 8As shown, the difference between this embodiment and the first embodiment is that:

[0048] The outgoing direction of the cable 1 is parallel to the mating direction of the first conductive terminal group, and the cable 1 of this embodiment is outgoing downward.

[0049] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An electrical connector, characterized in that: It comprises a metal shell (7), a first plastic body (2), a first conductive terminal group, and a second conductive terminal group; The metal shell (7) is arranged on the periphery of the first plastic body (2); A first conductive terminal group and a second conductive terminal group are arranged inside the first plastic body (2), or the first conductive terminal group is arranged inside the first plastic body (2), and the second conductive terminal group is arranged inside the metal shell (7); Both ends of the metal shell (7) are provided with mounting portions (5).

2. The electrical connector according to claim 1, characterized in that: It also includes a cable (1) and an outer mold (6); The cable (1) is electrically connected to the first conductive terminal group, and the outer mold (6) at least covers the electrical connection area between the first conductive terminal group and the cable (1).

3. The electrical connector according to claim 2, wherein: The outgoing direction of the cable (1) is perpendicular and / or parallel to the docking direction of the first conductive terminal group.

4. The electrical connector according to claim 2, wherein: The bottom of the metal shell (7) has a first clamping portion (71), the top of the outer mold (6) has a second clamping portion (61), and the first clamping portion (71) cooperates with the second clamping portion (61).

5. The electrical connector according to claim 2, wherein: The left and right ends of the outer mold (6) both have a third clamping portion (62), and the metal shell (7) has a fourth clamping portion (72) that cooperates with the third clamping portion (62).

6. The electrical connector according to claim 1, characterized in that: The first conductive terminal group includes a plurality of signal terminals (3), and the second conductive terminal group includes a plurality of power terminals (4); The power terminal (4) is a fisheye terminal.

7. The electrical connector according to claim 6, characterized in that: The second conductive terminal group further comprises a second plastic body (8), and a plurality of the power terminals (4) are arranged in the second plastic body (8); The metal shell (7) has a first accommodating cavity (73) and a second accommodating cavity (74) which are independent of each other. The first plastic body (2) is disposed in the first accommodating cavity (73), and the second plastic body (8) is disposed in the second accommodating cavity (74).

8. The electrical connector according to claim 6 or 7, characterized in that: The bottom of the metal shell (7) outside the second conductive terminal group is provided with a positioning column (75), and the positioning column (75) protrudes outside the second conductive terminal group.

9. The electrical connector according to claim 1, wherein: A positioning sheet (9) is provided at the bottom of the first plastic body (2).

10. The electrical connector according to claim 1, characterized in that: The first plastic body (2) has a first docking interface (21), the metal shell (7) has a second docking interface (76), and the size of the second docking interface (76) is greater than or equal to the size of the first docking interface (21).

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