Grounding protection structure of an aviation cable joint

Abstract

The utility model provides an aviation cable joint's ground protection structure, including the casing and setting the wire in the casing, the wire outside is equipped with the shielding net, the shielding net is connected with the ground wire, is provided with the containing cavity for the wire insertion in the casing, the containing cavity opening is provided with the first connecting lug and the second connecting lug of opposite settings, the ground wire side opposite the shielding net is connected on the first connecting lug or the second connecting lug, and the connection stability of this ground structure is higher.

Description

Technical Field

[0001] This utility model relates to the field of aviation connector technology, specifically to a grounding protection structure for an aviation cable connector. Background Technology

[0002] Aviation connectors are key components in aircraft systems that ensure safe and reliable connections and signal transmission between various parts. They play a role in sealing against leakage, resisting interference, and facilitating quick assembly and disassembly. In existing technologies, to ensure that electromagnetic interference (EMI) is effectively guided away from the signal transmission system, thereby guaranteeing the stability and anti-interference capability of avionics equipment, most connectors have a shielding layer on the outside of the wire. The shielding layer needs to discharge electromagnetic interference. Currently, a wire is extended from the shielding layer and then connected to the ground plane of the equipment. This connection method requires a long wire and the connection structure between the wire and the ground plane is complex. This may lead to loosening of the connection between the wire and the ground plane after long-term use, resulting in the failure of the anti-interference function. Utility Model Content

[0003] Therefore, the technical problem to be solved by this utility model is to overcome the defects of the prior art, which uses a long wire for connection and has a complex connection structure between the wire and the equipment grounding plane, which may lead to loosening of the connection between the wire and the equipment grounding plane after long-term use, resulting in failure of the anti-interference function. Therefore, this utility model provides a grounding protection structure for aviation cable joints with short wire connection distance and good stability.

[0004] Therefore, this utility model provides a grounding protection structure for an aviation cable connector, including a housing and a conductor disposed inside the housing. The conductor is covered with a shielding mesh, and a grounding wire is connected to the shielding mesh. The housing is provided with a receiving cavity for inserting the conductor. The opening of the receiving cavity is provided with a first connecting ear and a second connecting ear disposed opposite to each other. The side of the grounding wire facing away from the shielding mesh is connected to the first connecting ear or the second connecting ear.

[0005] Furthermore: the first connecting ear is provided with a first connecting hole, the second connecting ear is provided with a second connecting hole, fastening nails are inserted into the first connecting hole and the second connecting hole, and a connecting groove for the grounding wire to be inserted is provided on the first connecting hole and / or the second connecting hole.

[0006] Furthermore: a connecting piece is provided at one end of the grounding wire that is connected to the connecting groove. The connecting piece is embedded in the connecting groove and has a round hole for fastening nails to pass through.

[0007] Furthermore: the connecting grooves are located on both sides of the second connecting ear, and the first connecting ear is fixedly connected to the housing.

[0008] Furthermore: a connecting sleeve for connecting the two is provided between the connecting piece and the grounding wire, and a connecting ring is provided on the side of the connecting piece that contacts the connecting sleeve, and a slot for inserting the connecting ring is provided inside the connecting sleeve.

[0009] Furthermore: a clamping plate is provided on the side of the first connecting ear, and a connecting shell is sleeved on the outside of the clamping plate. The clamping plate and the connecting shell are connected by threads. The side wall of the connecting shell is provided with self-tapping screws that are screwed into the outer end face of the connecting shell and abut against the side of the clamping plate.

[0010] The technical solution of this utility model has the following advantages:

[0011] 1. This utility model provides a grounding protection structure for an aviation cable connector. The housing contains a receiving cavity, through which a wire is inserted. To effectively secure the wire, a first connecting ear and a second connecting ear are provided at the opening. These connecting ears clamp the outer end face of the wire. The size of the opening between the first and second connecting ears can be adjusted using fastening screws. A shielding mesh is provided outside the wire, with a grounding wire connected to it. The grounding wire is connected to either the first or second connecting ear, providing a low-impedance discharge path for interference current induced in the shielding layer. This allows the grounding wire to be connected to the housing via the first or second connecting ear, and then to the customer's cabinet via the housing, thus achieving grounding. Connecting the grounding wire to the first or second connecting ear effectively shortens the grounding wire's length, and during installation, the grounding wire can be directly installed to the first or second connecting ear, preventing the need for forgetting to ground. Attached Figure Description

[0012] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the overall structure of the cable connector;

[0014] Figure 2 This is a schematic diagram of the connection structure between the first connecting ear and the second connecting ear;

[0015] Figure 3 This is a schematic diagram of the cross-sectional structure of a cable connector;

[0016] Figure 4 for Figure 3 Enlarged view of section A;

[0017] Figure 5 A schematic diagram of the structure in which the connecting piece is embedded in the first connecting ear and the second connecting ear;

[0018] Figure 6 A structural schematic diagram of the first and second connecting ears from another angle;

[0019] Figure 7 for Figure 6 Enlarged view of section B in the middle.

[0020] Explanation of reference numerals in the attached figures:

[0021] 1. Housing; 11. Receiving cavity; 2. Wire; 3. Shielding mesh; 4. Grounding wire; 5. First connecting ear; 51. First connecting hole; 6. Second connecting ear; 61. Second connecting hole; 7. Fastening screw; 8. Connecting groove; 81. Connecting piece; 82. Round hole; 9. Connecting sleeve; 91. Connecting ring; 92. Slot; 93. Clamping plate; 94. Connecting shell; 95. Self-tapping screw. Detailed Implementation

[0022] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0023] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and 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, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0025] Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0026] Example

[0027] This embodiment provides a grounding protection structure for an aviation cable connector, including a housing 1 and a conductor 2 disposed inside the housing 1. The conductor 2 is covered with a shielding mesh 3, and a grounding wire 4 is connected to the shielding mesh 3. The housing 1 is provided with a receiving cavity 11 for inserting the conductor 2. The opening of the receiving cavity 11 is provided with a first connecting ear 5 and a second connecting ear 6 disposed opposite to each other. The side of the grounding wire 4 facing away from the shielding mesh 3 is connected to the first connecting ear 5 or the second connecting ear 6.

[0028] The specific improvements mentioned above are as follows: Figures 1-4 As shown, a receiving cavity 11 is provided inside the housing 1. The wire 2 is inserted from the opening of the receiving cavity 11. To effectively fix the wire 2, a first connecting ear 5 and a second connecting ear 6 are provided at the opening. The first connecting ear 5 and the second connecting ear 6 can be clamped to the outer end face of the wire 2. The size of the opening between the first connecting ear 5 and the second connecting ear 6 can be adjusted by fastening screws 7. A shielding mesh 3 is provided outside the wire 2. A grounding wire 4 is connected to the shielding mesh 3. The grounding wire 4 is connected to the first connecting ear 5 or the second connecting ear 6, which can provide a low impedance discharge path for the interference current (eddy current) induced by the shielding layer, so that it is connected to the housing 1 through the first connecting ear 5 or the second connecting ear 6, and then connected to the customer's cabinet through the housing 1 to achieve grounding. By connecting the grounding wire 4 to the first connecting ear 5 or the second connecting ear 6, the length of the grounding wire 4 can be effectively shortened. During installation, the grounding wire 4 can be directly installed to the first connecting ear 5 or the second connecting ear 6, thereby avoiding forgetting to ground.

[0029] Based on the above embodiments: the first connecting ear 5 is provided with a first connecting hole 51, the second connecting ear 6 is provided with a second connecting hole 61, fastening nails 7 are inserted into the first connecting hole 51 and the second connecting hole 61, and connecting grooves 8 for the grounding wire 4 to be inserted are provided on the first connecting hole 51 and / or the second connecting hole 61.

[0030] The specific improvements mentioned above are as follows: Figures 5-7As shown, the first connecting ear 5 has a first connecting hole 51 on both sides, and the second connecting ear 6 has a second connecting hole 61 on both sides. A connecting groove 8 is opened on the second connecting hole 61. The first connecting hole 51 and the second connecting hole 61 are provided with threads for threaded connection with the fastening nail 7. During installation, after the wire 2 is passed through the receiving cavity 11, the grounding wire 4 is initially fixed in the connecting groove 8. Then, the fastening nail 7 is passed through the first connecting hole 51 and the second connecting hole 61, and the grounding wire 4 is fixed in the connecting groove 8 by the fastening nail 7.

[0031] Based on the above embodiments: a connecting piece 81 is provided at one end of the grounding wire 4 that is connected to the connecting groove 8. The connecting piece 81 is embedded in the connecting groove 8 and a round hole 82 is provided on the connecting piece 81 for the fastening nail 7 to pass through.

[0032] Based on the above embodiments: the connecting groove 8 is opened on both sides of the second connecting ear 6, and the first connecting ear 5 is fixedly connected to the housing 1.

[0033] The specific improvements mentioned above are as follows: To ensure the connection stability between the grounding wire 4 and the connecting groove 8, a connecting piece 81 is provided on the side of the grounding wire 4 that contacts the connecting groove 8. A round hole 82 is opened on the connecting piece 81 for the fastening nail 7 to pass through. The connecting piece 81 can be adapted to the connecting groove 8, thereby effectively increasing the contact area between the connecting piece 81 and the second connecting hole 61, which facilitates current transmission. During connection, the fastening nail 7 passes through the round hole 82, the second connecting hole 61 and the first connecting hole 51 in sequence and secures the three together. At the same time, the connecting piece can also be fixed between the first connecting ear 5 and the second connecting ear 6, but the actual effect is not as good as fixing it in the connecting groove 8.

[0034] Based on the above embodiments: a connecting sleeve 9 for connecting the connecting piece 81 and the grounding wire 4 is provided, a connecting ring 91 is provided on the side of the connecting piece 81 that contacts the connecting sleeve 9, and a slot 92 for inserting the connecting ring 91 is provided inside the connecting sleeve 9.

[0035] The specific improvements mentioned above are as follows: a connecting sleeve 9 is provided between the connecting piece 81 and the grounding wire 4, and a connecting ring 91 is integrally formed on the connecting piece 81. The connecting ring 91 is inserted into the slot 92 of the connecting sleeve 9. Through the cooperation between the connecting ring 91 and the slot 92, the contact area between the connecting piece 81 and the connecting sleeve 9 can be effectively increased, thereby improving the connection strength between the two.

[0036] Based on the above embodiments: a clamping plate 93 is provided on the side of the first connecting ear 5, and a connecting shell 94 is sleeved on the outside of the clamping plate 93. The clamping plate 93 and the connecting shell 94 are threaded together. The side wall of the connecting shell 94 is provided with a self-tapping screw 95 that is screwed into the outer end face of the connecting shell 94 and abuts against the side of the clamping plate 93.

[0037] The specific improvements mentioned above are as follows: the first connecting ear 5 and the clamping plate 93 are integrally formed. In order to ensure the connection strength between the various connecting parts, the clamping plate 93 is provided with external threads, and the connecting shell 94 is provided with internal threads. After the connecting shell 94 and the clamping plate 93 are connected by threads, two self-tapping screws 95 are driven into the side of the connecting shell 94. The self-tapping screws 95 pass through the side of the connecting shell 94 and abut against the outer end face of the clamping plate 93. In this way, during use, the loosening of the connecting shell 94 and the clamping plate 93 can be effectively avoided.

[0038] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. A grounding protection structure for an aviation cable joint, characterized in that: It includes a housing (1) and a wire (2) disposed inside the housing (1). A shielding net (3) is sleeved outside the wire (2), and a grounding wire (4) is connected to the shielding net (3). An accommodation cavity (11) for inserting the wire (2) is provided in the housing (1). At the opening of the accommodation cavity (11), a first connecting ear (5) and a second connecting ear (6) are oppositely arranged, and the side of the grounding wire (4) facing away from the shielding net (3) is connected to the first connecting ear (5) or the second connecting ear (6).

2. The grounding protection structure of an aviation cable joint according to claim 1, characterized in that: A first connecting hole (51) is provided on the first connecting ear (5), and a second connecting hole (61) is provided on the second connecting ear (6). A fastening nail (7) is inserted through the first connecting hole (51) and the second connecting hole (61), and a connecting groove (8) for the grounding wire (4) to be snapped into is provided in the first connecting hole (51) and / or the second connecting hole (61).

3. The grounding protection structure of an aviation cable joint according to claim 2, characterized in that: A connecting piece (81) is provided at one end of the grounding wire (4) connected to the connecting groove (8). The connecting piece (81) is embedded in the connecting groove (8), and a round hole (82) for the fastening nail (7) to pass through is provided on the connecting piece (81).

4. The grounding protection structure of an aviation cable joint according to claim 3, wherein: The connecting groove (8) is provided at two side positions of the second connecting ear (6), and the first connecting ear (5) is fixedly connected to the housing (1).

5. The grounding protection structure of an aviation cable joint according to claim 4, characterized in that: A connecting sleeve (9) for connecting the two is provided between the connecting piece (81) and the grounding wire (4). A connecting ring (91) is provided on one side of the connecting piece (81) in contact with the connecting sleeve (9), and a slot (92) for the connecting ring (91) to be inserted into is provided in the connecting sleeve (9).

6. The grounding protection structure of an aviation cable joint according to any one of claims 1-5, characterized in that: A clamping plate (93) is provided on the side of the first connecting ear (5). A connecting shell (94) is sleeved outside the clamping plate (93). The clamping plate (93) and the connecting shell (94) are threadedly connected, and a self-tapping screw (95) that is screwed into the side wall of the connecting shell (94) from the outer end face of the connecting shell (94) and abuts against the side face of the clamping plate (93) is provided.

Images