CN207265324U - High-speed aircraft female connector - Google Patents

Abstract

The utility model relates to a high-speed aircraft carrier connector, comprising a terminal assembly and a cable assembly connected to the terminal assembly; the terminal assembly comprises a grounding plate, a fixing seat wrapping the grounding plate, and a plurality of connecting terminals inserted in the fixing seat; the grounding plate isolates the connecting terminals from each other in pairs; the cable assembly comprises a plurality of cables, one end of each of the cables is respectively connected to each of the connecting terminals and the grounding plate. The high-speed aircraft carrier connector efficiently utilizes the spatial structure of the fixing seat, and a grounding plate is added in the middle of the fixing seat. It has good anti-signal crosstalk capability, can effectively avoid high-frequency signal transmission crosstalk, and ensure stable signal transmission performance.

Description

High-speed aircraft female connector

technical field

The utility model relates to the technical field of connectors, in particular to a high-speed aircraft female connector.

Background technique

With the development of data transmission technology, especially in the Internet of Everything era of Industry 4.0, there are higher requirements for the transmission capability, power supply capability and IP level protection capability of signal connectors.

In current industrial applications, aviation connectors are mostly used for power supply or low-frequency pulse signals. The main reason is that the current traditional circular aviation connector structure cannot carry high-speed signal transmission capabilities. In the connector structure, the layout of the differential signal transmission structure is lacking. Therefore, it is necessary to provide improvements to the existing high-speed aviation connectors to meet the more demanding industry needs.

Utility model content

Based on this, the utility model provides a high-speed aircraft female connector, which has good anti-signal crosstalk capability and ensures stable signal transmission.

In order to realize the purpose of the utility model, the utility model adopts the following technical solutions:

A high-speed aircraft female connector, including a terminal assembly and a cable assembly connected to the terminal assembly; the terminal assembly includes a grounding piece, a fixing seat that wraps the grounding piece, and is inserted into the fixing seat a plurality of connecting terminals; the grounding piece isolates the connecting terminals from each other in pairs; the cable assembly includes a plurality of cables, and one end of the cable is respectively connected to each of the connecting terminals and the grounding piece.

The above-mentioned high-speed aviation female connector makes efficient use of the space structure of the fixing seat, and adds a grounding plate in the middle of the fixing seat, which has good anti-signal crosstalk ability, can effectively avoid high-frequency signal transmission crosstalk, and ensure stable signal transmission performance.

In one of the embodiments, the fixing base includes a base plate, and a plurality of first installation parts and a plurality of second installation parts respectively protruding from two opposite sides of the base plate, the first installation part and the second installation part Two installation department correspondence.

In one of the embodiments, first installation grooves are formed between adjacent first installation parts, and second installation grooves are formed between adjacent second installation parts; The installation groove corresponds to and is used for accommodating and installing the ground sheet.

In one of the embodiments, each of the first installation parts is respectively provided with two first through holes, and each of the second installation parts is respectively provided with two second through holes; The second through holes correspond to and communicate with each other.

In one embodiment, each of the connecting terminals is inserted through the first through hole and the second through hole at the same time.

In one embodiment, one end of the ground sheet protrudes beyond the end surface of the second installation part; one end of each of the connection terminals protrudes beyond the end surface of the second installation part.

In one of the embodiments, the terminal assembly further includes a waterproof ring sheathed on one end of the fixing base, and the waterproof ring abuts against the substrate.

In one of the embodiments, the cable assembly includes several cables and a grommet wrapping the cables; the cable includes a first signal core, a first signal core wrapping the first signal core The isolation layer, the second signal wire core, the second isolation layer covering the second signal wire core, the grounding wire core, and covering the first isolation layer, the second isolation layer and the ground wire at the same time core insulation.

In one of the embodiments, the first signal core and the second signal core are soldered to the connecting terminals respectively.

In one embodiment, one end of each of the ground cores is connected together to form a ground portion; the ground portion is welded to the ground sheet.

Description of drawings

Fig. 1 is a three-dimensional schematic diagram of a high-speed aircraft female connector in a preferred embodiment of the present invention;

Fig. 2 is a three-dimensional schematic diagram of another viewing angle of the high-speed aircraft female connector described in Fig. 1;

Fig. 3 is an exploded schematic diagram of the high-speed aircraft female connector described in Fig. 1;

Fig. 4 is the enlarged schematic view of circle A described in Fig. 3;

FIG. 5 is a schematic perspective view of the terminal assembly described in FIG. 3;

FIG. 6 is a schematic perspective view of another viewing angle of the terminal assembly described in FIG. 5;

Fig. 7 is a cross-sectional view of the latch described in Fig. 3;

Notes on drawings:

10-terminal assembly, 11-grounding piece, 12-fixing seat, 13-connecting terminal, 14-base plate, 15-first installation part, 16-second installation part, 17-waterproof ring;

20-lock, 21-lock body, 22-limit ring, 23-bulge;

30-cable assembly, 31-cable, 32-sheath, 33-first signal core, 330-first isolation layer, 34-second signal core, 340-second isolation layer, 35-grounding Wire core, 350-grounding part, 36-insulation layer;

40-outer mold, 41-curved surface depression.

Detailed ways

In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. Preferred embodiments of the utility model are provided in the accompanying drawings. However, the invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present utility model more thorough and comprehensive.

It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of this invention. The terminology used in the description of the utility model herein is only for the purpose of describing specific embodiments, and is not intended to limit the utility model.

Please refer to Figures 1 to 7, which are a high-speed aircraft female connector in a preferred embodiment of the present invention, including a terminal assembly 10, a lock 20 installed at one end of the terminal assembly 10, and a cable assembly connected to the terminal assembly 10 30, and an outer mold 40 that wraps one end of the terminal assembly 10 and one end of the cable assembly 30 at the same time.

The terminal assembly 10 includes a grounding piece 11 arranged in a cross shape, a fixing seat 12 wrapping the grounding piece 11, and a plurality of connecting terminals 13 inserted in the fixing seat 12. The grounding piece 11 grounds the connecting terminals 13 in pairs. isolated from each other. In this embodiment, the ground plate 11 and the fixing seat 12 are integrally injection molded. The fixing seat 12 includes a base plate 14 , and a plurality of first installation portions 15 and a plurality of second installation portions 16 respectively protruding from two opposite surfaces of the base plate 14 . The first mounting portion 15 corresponds to the second mounting portion 16; a first mounting groove is formed between adjacent first mounting portions 15, a second mounting groove is formed between adjacent second mounting portions 16, and the first mounting groove is connected to the second mounting portion 16. The installation slots correspond to each other and are respectively used for accommodating and installing the grounding plates 11 .

Further, each first mounting portion 15 is respectively provided with two first through holes, and each second mounting portion 16 is respectively provided with two second through holes, and each of the first through holes communicates with each of the second through holes correspondingly. . Each connection terminal 13 is inserted through the first through hole and the second through hole at the same time, so as to realize the connection and installation of the connection terminal 13 and the fixing seat 12 .

Furthermore, one end of the ground plate 11 protrudes beyond the end surface of the second mounting part 16, and one end of each connecting terminal 13 protrudes beyond the end surface of the second mounting part 16, so as to facilitate welding of the cable assembly 30 .

The terminal assembly 10 further includes a waterproof ring 17 sleeved on one end of the fixing seat 12 , specifically, the waterproof ring 17 is sleeved on all the first mounting portions 15 at the same time, and the waterproof ring 17 abuts against the substrate 14 . In this embodiment, the waterproof ring 17 is a rubber waterproof ring.

The lock 20 includes a hollow cylindrical lock body 21 and a limiting ring 22 extending from one end of the lock body 21 toward the inside. The inner diameter of the lock body 21 is larger than the diameter of the base plate 14, and the inner diameter of the stop ring 22 is smaller than the diameter of the base plate 14. When assembling, the fixing seat 12 is passed through the lock body 21, and the second mounting part 16 is pierced with a limiting ring 22 so that the fixing seat 12 is limited in the lock body 12 .

Further, the inner wall of the locking body 21 is provided with several threads for connecting with a matching high-speed aviation male connector. Several bumps 23 protrude from the outer wall of the lock body 21 to increase the frictional force and facilitate the user to connect the high-speed aviation female connector and the high-speed aviation male connector.

The cable assembly 30 includes several cables 31 and a wire sheath 32 covering the cables 31. The cables 31 include a first signal core 33, a first isolation layer 330 covering the first signal core 33, The second signal core 34, the second isolation layer 340 covering the second signal core 34, the ground core 35, and the insulating layer 36 covering the first isolation layer 330, the second isolation layer 340 and the ground core at the same time . The first signal core 33 and the second signal core 34 are respectively welded to the connection terminals 13 on the second mounting portions 16 to form a differential signal pair for transmitting a pair of differential signals.

In this embodiment, one end of each ground core 35 is connected together to form a ground portion 350 , and the ground portion 350 is welded to the ground plate 11 to complete the ground loop. The ground plate 11 isolates each differential signal pair to shield crosstalk between each differential signal pair and ensure stable signal transmission efficiency.

The outer mold 40 wraps one end of the second mounting portion 16 of the fixing seat 12 and one end of the cable assembly 30 , specifically, the outer mold 40 wraps the welding place and connection between the connecting terminal 13 and the first signal core 33 . The welding place between the terminal 13 and the second signal wire core 34 and the welding place between the ground plate 11 and the grounding wire core 35 protect the welding place from being easily damaged and corroded, thereby improving the service life and performance. In this embodiment, the outer mold 40 is integrally injection molded.

Further, the surface of the outer mold 40 is evenly spaced with a number of curved surface depressions 41, which is convenient for users to connect the high-speed aviation female connector and the high-speed aviation male connector.

The above-mentioned high-speed aviation female connector makes efficient use of the space structure of the fixing seat, and adds a grounding plate in the middle of the fixing seat, which has good anti-signal crosstalk ability, can effectively avoid high-frequency signal transmission crosstalk, and ensure stable signal transmission performance.

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the utility model, and the description thereof is relatively specific and detailed, but it should not be understood as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (10)

1. A high-speed aircraft female head connector, characterized in that it includes a terminal assembly and a cable assembly connecting the terminal assembly; the terminal assembly includes a grounding piece, a holder for wrapping the grounding piece, and a a plurality of connection terminals in the fixed seat; the ground sheet isolates the connection terminals in pairs; the cable assembly includes a plurality of cables, and one end of the cables is respectively connected to each of the Connect the terminal to the ground lug. 2. The high-speed aircraft female connector according to claim 1, wherein the fixing seat includes a base plate, and a plurality of first mounting parts and a plurality of second mounting parts protruding from opposite sides of the base plate respectively. An installation part, the first installation part corresponds to the second installation part. 3. The high-speed aircraft female connector according to claim 2, wherein a first installation groove is formed between adjacent first installation parts, and a second installation groove is formed between adjacent second installation parts. Groove; the first installation groove corresponds to the second installation groove, and is used for accommodating and installing the ground sheet. 4. The high-speed aircraft female connector according to claim 2, wherein each of the first mounting parts is provided with two first through holes, and each of the second mounting parts is respectively provided with two second through holes. Through holes; each of the first through holes corresponds to and communicates with each of the second through holes. 5 . The high-speed aircraft female connector according to claim 4 , wherein each of the connecting terminals is inserted through the first through hole and the second through hole at the same time. 5 . 6. The high-speed aircraft female connector according to claim 2, wherein one end of the ground piece protrudes beyond the end surface of the second mounting part; one end of each of the connecting terminals protrudes beyond the Describe the end face of the second mounting part. 7 . The high-speed aircraft female connector according to claim 2 , wherein the terminal assembly further comprises a waterproof ring sheathed on one end of the fixing seat, and the waterproof ring abuts against the base plate. 8 . 8. The high-speed aircraft female connector according to claim 1, wherein the cable assembly includes several cables and a sheath wrapping the cables; the cables include a first signal core , the first isolation layer covering the first signal core, the second signal core, the second isolation layer covering the second signal core, the grounding core, and simultaneously covering the first isolation layer layer, the second isolation layer and the insulating layer of the ground core. 9 . The high-speed aircraft female connector according to claim 8 , wherein the first signal core and the second signal core are respectively welded to the connection terminals. 10 . The high-speed aircraft female connector according to claim 9 , wherein one end of each ground core is connected together to form a ground portion; the ground portion is welded to the ground plate. 11 .