Automotive Ethernet Connectors

Abstract

The present invention relates to an in-vehicle Ethernet connector, comprising a female end and a male end for plugging in, the male end having a plug-in port matching the shape of the female end head, the female end comprising a first terminal, a first main body and a first shell arranged in sequence from the inside to the outside, the male end comprising a second terminal, a second main body and a second shell arranged in sequence from the inside to the outside, the tail of the first main body being fixedly connected to a wire, the first terminal being connected to the wire core of the wire, and the second terminal being inserted into the first terminal to form electrical conduction; an elastic arm is arranged on the first shell, and a buckle position for clamping with a wedge block of the elastic arm is arranged on the second shell; a buckle and a cover are arranged on the inner wall of the first shell, and the buckle and the cover are respectively clamped with the outer wall of the first main body to form a double clamping structure. The present invention realizes 360° shielding through the first shielding cover of the female end and the second shielding cover fully surrounding the male end, and the network transmission is more stable; the buckle is clamped with the first main body through the buckle, and the buckle is pressed by the cover to limit the movement of the first main body, thereby improving the connection stability.

Description

Technical Field

[0001] The present invention relates to the technical field of connectors, and in particular to a vehicle-mounted Ethernet connector. Background Art

[0002] As people have higher and higher requirements for automobile safety, environmental protection, comfort, intelligence, etc., and emerging technologies such as high-definition in-vehicle entertainment systems, Internet of Vehicles systems, cloud services and big data are applied in vehicles, the in-vehicle Ethernet bus has emerged, which can achieve a data transmission rate of 100mbit / s or even 20gbit / s, while meeting the requirements of the automotive industry in terms of low electromagnetic radiation, low power consumption, bandwidth allocation, low latency, and synchronization and real-time performance. In order to ensure the stability of in-vehicle Ethernet data transmission, a well-structured in-vehicle Ethernet connector is essential, but the existing in-vehicle Ethernet connectors generally have problems such as unstable connection structure, poor shielding effect, and troublesome assembly and disassembly. Summary of the invention

[0003] In order to overcome the deficiencies of the prior art, the present invention provides a vehicle-mounted Ethernet connector with a stable structure and good shielding effect.

[0004] To achieve the above-mentioned purpose, the technical solution provided by the present invention is as follows: an in-vehicle Ethernet connector, comprising a female end and a male end for plugging in, the male end having a plug-in port that matches the shape of the female end head, the female end comprising a first terminal, a first body and a first shell arranged in sequence from the inside to the outside, the male end comprising a second terminal, a second body and a second shell arranged in sequence from the inside to the outside, the tail of the first body being fixedly connected to a wire, the first terminal being connected to a core of the wire, and the second terminal being inserted into the first terminal to form electrical conduction; an elastic arm is arranged on the first shell, and a buckle position for clamping with a wedge block of the elastic arm is arranged on the second shell; a buckle and a cover are arranged on the inner wall of the first shell, and the buckle and the cover are respectively clamped with the outer wall of the first body to form a double clamping structure.

[0005] In the above technical solution, the first main body includes a first insulator and a first shielding cover sleeved on the outside of the first insulator, the second main body includes a second insulator and a second shielding cover sleeved on the outside of the second insulator, the second shielding cover is provided with a first spring sheet in contact with the outer wall of the first shielding cover, and the first shielding cover and the second shielding cover are electrically connected through the first spring sheet.

[0006] In the above technical solution, the buckle and the cover are integrally formed on the first shell, the buckle and the cover are arranged on the first shell in a straight line opposite to each other, the buckle is parallel to the plane of the outer wall of the first main body, the root of the buckle is fixedly connected to the first shell and extends toward the tail of the first shell, and the end of the buckle is provided with a bayonet; the root of the cover is rotatably arranged on the first shell, the end of the cover is provided with a step and a block, the block is provided with a barb, the outer wall of the first main body is provided with a block, and the inner wall of the first shell is provided with a clamping hole; the clamping block of the first main body is clamped into the bayonet of the buckle, and the end of the cover is buckled at the end of the buckle, and the step abuts against the outer wall of the buckle, the block abuts against the end face of the tail of the first main body, and the barb is clamped into the clamping hole to fix the first main body in the first shell.

[0007] The present invention also provides another scheme of the buckle and the cover, the buckle is integrally formed with the first shell, the side wall of the first shell is provided with a socket perpendicular to the axial direction, and a mounting groove is provided at the edge of the socket; the buckle is located in the mounting groove and the end extends toward the head direction of the first shell; the cover is composed of a clamping part and a mounting part perpendicular to each other, the end of the clamping part is provided with a pair of barbs, the outer wall of the first main body is provided with a clamping block, and the inner wall of the first shell is formed with a clamping hole; the end of the buckle abuts on the end face of the tail of the first insulator, the clamping part is inserted in the socket and the pair of barbs are respectively clamped with the clamping block and the clamping hole, the mounting part is embedded in the mounting groove, and the inner wall of the mounting part abuts on the side wall of the buckle to fix the first main body in the first shell.

[0008] In the above technical solution, the block is integrally formed on the outer wall of the first shielding cover or integrally formed on the outer wall of the first insulator.

[0009] In the above technical solution, a second spring sheet is arranged in the middle of the first terminal toward the tail, a retaining ring is arranged behind the second spring sheet, a fixing hole and a third spring sheet are arranged in the middle of the first insulator, the third spring sheet extends toward the head of the first insulator, the end of the second spring sheet abuts against the hole wall of the fixing hole, the end of the third spring sheet abuts against the rear of the retaining ring of the first terminal, and the inner wall of the first shielding cover presses the third spring sheet to fix the first terminal in the first insulator.

[0010] In the above technical solution, a positioning groove is provided on the outer wall of the second insulator, a positioning spring is provided on the inner wall of the second shielding cover toward the rear direction, a mounting port and a cover are provided at the rear of the second shielding cover, a buckle is provided on the cover, and a fixing block engaged with the buckle is provided on the outer wall of the second shielding cover, the end of the positioning spring abuts against the positioning groove, the cover is buckled in the mounting port, and the buckle is buckled with the fixing block to fix the second insulator in the second shielding cover.

[0011] In the above technical solution, the second shielding cover is provided with a snap-on piece and a protrusion, the inner wall of the second shell is provided with a wire groove, the snap-on piece is inserted into the wire groove, and the protrusion is interference fit with the inner wall of the second shell to fix the second shielding cover in the second shell.

[0012] In the above technical solution, the first shielding cover and the second shielding cover are shielding covers formed by stamping metal sheets.

[0013] The beneficial effects of the present invention lie in that the present invention has a reasonable structure, a novel design and strong practicality. The shielding structure formed by the electrical conduction between at least three shielding surfaces of the first shielding cover of the female end and the second shielding cover that fully surrounds the male end realizes 360° shielding, making the connector network transmission more stable; the buckle on the inner wall of the first shell is clamped with the first main body, the buckle is pressed by the cover and the movement of the first main body is restricted, so as to form a double clamping structure, improve the connection stability between the first main body and the first shell, and improve the service life of the connector; it is necessary to first push the barb of the cover out of the clamping hole through the clamping hole operation, and only after the clamping state of the cover and the first shell is released, can the buckle be lifted up and separated from the first main body. The stability of the connection between the buckle and the first main body is guaranteed by the protection of the cover, and the safety of the connector is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the female end and the male end of the first embodiment of the present invention in the unplugged state.

[0015] Figure 2 It is a structural schematic diagram of the female end and the male end of the first embodiment of the present invention in the plugged-in state.

[0016] Figure 3 This is one of the cross-sectional structural schematic diagrams of the female end and the male end in the plugged-in state according to the first embodiment of the present invention.

[0017] Figure 4 This is the second schematic cross-sectional structure diagram of the female end and the male end in the plugged-in state according to the first embodiment of the present invention.

[0018] Figure 5 It is a schematic diagram of the decomposed structure of the female end of the first embodiment of the present invention.

[0019] Figure 6 It is a schematic diagram of the cross-sectional structure of the female end of the first embodiment of the present invention.

[0020] Figure 7 It is a schematic diagram of the male end decomposition structure of the first embodiment of the present invention.

[0021] Figure 8 It is a structural schematic diagram of the second embodiment of the present invention in a state where the female end and the male end are not plugged into each other.

[0022] Fig. 9 It is a schematic diagram of the decomposed structure of the female end of the second embodiment of the present invention.

[0023] Fig.10 It is a structural schematic diagram of the female end and the male end of the third embodiment of the present invention in the unmated state.

[0024] Fig.11 It is a schematic diagram of the decomposed structure of the female end of the third embodiment of the present invention.

[0025] Fig.12 It is a schematic diagram of the cross-sectional structure of the female end of the third embodiment of the present invention.

[0026] Fig.13 It is a schematic diagram of the male end decomposition structure of the third embodiment of the present invention.

[0027] Fig.14 It is one of the schematic diagrams of the fourteen socket shapes of the female end and the male end listed in the present invention.

[0028] Fig.15 This is the second of the fourteen structural diagrams of the female and male ends of the present invention.

[0029] Fig.16 This is the third of the fourteen structural diagrams of the female and male ends of the present invention.

[0030] In the figure: 1-first housing; 11-buckle; 111-bayonet; 12-cover; 121-step; 122-block; 123-hook; 13-hole; 14-elastic arm; 141-wedge block; 15-buckle; 161-jack; 162-mounting slot; 17-cover; 171-mounting portion; 172-clamping portion; 173-hook; 21-first insulator; 211-fixing hole; 212-third spring piece; 22-first shield Cover; 23a, 23b, 23c-block; 3-first terminal; 31-second spring piece; 32-retaining ring; 4-wire; 41-wire core; 5-second shell; 50a, 50b, 50c-socket; 51-buckle position; 52-wire groove; 6-second shielding cover; 61-positioning spring piece; 62-bump; 63-card plate; 64-fixing block; 65-cover plate; 651-buckle; 7-second terminal; 8-second insulator; 81-positioning groove. DETAILED DESCRIPTION

[0031] Specific embodiments of the present invention will be described with reference to the accompanying drawings.

[0032] Embodiment 1, as Figure 1-7As shown, the in-vehicle Ethernet connector includes a female end and a male end for plugging in, the male end has a circular plug-in port 50a matching the shape of the female end head, the female end includes a first terminal 3, a first body and a first shell 1 arranged in sequence from the inside to the outside, the male end includes a second terminal 7, a second body and a second shell 5 arranged in sequence from the inside to the outside, the tail of the first body is fixedly connected to the wire 4, the first terminal 3 is connected to the wire core 41 of the wire 4, and the second terminal 7 is inserted into the first terminal 3 to form electrical conduction; the first shell 1 is provided with an elastic arm 14, and the second shell 5 is provided with a buckle 51 that is engaged with the wedge block 141 of the elastic arm 14; the inner wall of the first shell 1 is provided with a buckle 11 and a cover 12, and the buckle 11 and the cover 12 are respectively engaged with the outer wall of the first body to form a double-engaging structure. The female end has a first body, and the male end has a second body. After the female end and the male end are plugged in, an electrical signal transmission channel is formed.

[0033] The first main body includes a first insulator 21 and a first shielding cover 22 sleeved on the outside of the first insulator 21, the second main body includes a second insulator 8 and a second shielding cover 6 sleeved on the outside of the second insulator 8, the second shielding cover 6 is provided with a first elastic sheet in contact with the outer wall of the first shielding cover 22, and the first shielding cover 22 and the second shielding cover 6 are electrically connected through the first elastic sheet.

[0034] The buckle 11 and the cover 12 are integrally formed on the first shell 1. The buckle 11 and the cover 12 are arranged on the first shell 1 along a straight line opposite to each other. The buckle 11 is parallel to the plane of the outer wall of the first body. The root of the buckle 11 is fixedly connected to the first shell 1 and extends to the tail of the first shell 1. The end of the buckle 11 is formed with a bayonet 111; the root of the cover 12 is rotatably arranged on the first shell 1, the end of the cover 12 is provided with a step 121 and a stopper 122, the stopper 122 is provided with a barb 123, the outer wall of the first body is provided with a clamping block 23b, and the inner wall of the first shell 1 is formed with a clamping hole 13; the clamping block 23b of the first body is clamped into the bayonet 111 of the buckle 11, the end buckle 651 of the cover 12 is at the end of the buckle 11, and the step 121 is against the outer wall of the buckle 11, the stopper 122 is against the end face of the tail of the first body, and the barb 123 is clamped into the clamping hole 13 to fix the first body in the first shell 1. The clamping block 23 b is integrally formed on the outer wall of the first shielding cover 22 .

[0035] A second spring piece 31 is arranged in the middle of the first terminal 3 toward the tail, a retaining ring 32 is arranged behind the second spring piece 31, a fixing hole 211 and a third spring piece 212 are arranged in the middle of the first insulator 21, the third spring piece 212 extends toward the head of the first insulator 21, the end of the second spring piece 31 abuts against the hole wall of the fixing hole 211, the end of the third spring piece 212 abuts against the rear of the retaining ring 32 of the first terminal 3, and the inner wall of the first shielding cover 22 presses the third spring piece 212 to fix the first terminal 3 in the first insulator 21.

[0036] A positioning groove 81 is provided on the outer wall of the second insulator 8, and a positioning spring piece 61 is provided on the inner wall of the second shielding cover 6 toward the rear end. A mounting opening and a cover plate 65 are provided at the rear end of the second shielding cover 6, and a buckle 651 is provided on the cover plate 65. A fixing block 64 engaged with the buckle 651 is provided on the outer wall of the second shielding cover 6. The end of the positioning spring piece 61 abuts against the positioning groove 81, the cover plate 65 is buckled in the mounting opening, and the buckle 651 is buckled with the fixing block 64 to fix the second insulator 8 in the second shielding cover 6.

[0037] The second shielding cover 6 is provided with a clamping piece 63 and a protrusion 62, the inner wall of the second housing 5 is provided with a wire groove 52, the clamping piece 63 is inserted into the wire groove 52, and the protrusion 62 is interference-fitted with the inner wall of the second housing 5 to fix the second shielding cover 6 in the second housing 5. The first shielding cover 22 and the second shielding cover 6 are both shielding covers formed by stamping of metal sheets.

[0038] Embodiment 2, as Figure 8-9 As shown, the in-vehicle Ethernet connector includes a female end and a male end for plugging in, the male end has an elliptical plug-in port 50b matching the shape of the female end head, the female end includes a first terminal 3, a first body and a first shell 1 arranged in sequence from the inside to the outside, the male end includes a second terminal 7, a second body and a second shell 5 arranged in sequence from the inside to the outside, the tail of the first body is fixedly connected to the wire 4, the first terminal 3 is connected to the wire core 41 of the wire 4, and the second terminal 7 is inserted into the first terminal 3 to form electrical conduction; the first shell 1 is provided with an elastic arm 14, and the second shell 5 is provided with a buckle 51 that is engaged with the wedge block 141 of the elastic arm 14; the inner wall of the first shell 1 is provided with a buckle 11 and a cover 12, and the buckle 11 and the cover 12 are respectively engaged with the outer wall of the first body to form a double clamping structure. The female end has two first bodies, and the male end has two second bodies. After the female end and the male end are plugged in, two electrical signal transmission channels are formed.

[0039] The first main body includes a first insulator 21 and a first shielding cover 22 sleeved on the outside of the first insulator 21, the second main body includes a second insulator 8 and a second shielding cover 6 sleeved on the outside of the second insulator 8, the second shielding cover 6 is provided with a first elastic sheet in contact with the outer wall of the first shielding cover 22, and the first shielding cover 22 and the second shielding cover 6 are electrically connected through the first elastic sheet.

[0040] The buckle 11 and the cover 12 are integrally formed on the first shell 1. The buckle 11 and the cover 12 are arranged on the first shell 1 along a straight line opposite to each other. The buckle 11 is parallel to the plane of the outer wall of the first main body. The root of the buckle 11 is fixedly connected to the first shell 1 and extends to the tail of the first shell 1. The end of the buckle 11 is formed with a bayonet 111; the root of the cover 12 is rotatably arranged on the first shell 1, the end of the cover 12 is provided with a step 121 and a stopper 122, the stopper 122 is provided with a barb 123, the outer wall of the first main body is provided with a clamping block 23b, and the inner wall of the first shell 1 is formed with a clamping hole 13; the clamping block 23b of the first main body is clamped into the bayonet 111 of the buckle 11, the end buckle 651 of the cover 12 is at the end of the buckle 11, and the step 121 is against the outer wall of the buckle 11, the stopper 122 is against the end face of the tail of the first main body, and the barb 123 is clamped into the clamping hole 13 to fix the first main body in the first shell 1.

[0041] The clamping block 23 b is integrally formed on the outer wall of the first insulator 21 .

[0042] A second spring piece 31 is arranged in the middle of the first terminal 3 toward the tail, a retaining ring 32 is arranged behind the second spring piece 31, a fixing hole 211 and a third spring piece 212 are arranged in the middle of the first insulator 21, the third spring piece 212 extends toward the head of the first insulator 21, the end of the second spring piece 31 abuts against the hole wall of the fixing hole 211, the end of the third spring piece 212 abuts against the rear of the retaining ring 32 of the first terminal 3, and the inner wall of the first shielding cover 22 presses the third spring piece 212 to fix the first terminal 3 in the first insulator 21.

[0043] A positioning groove 81 is provided on the outer wall of the second insulator 8, and a positioning spring piece 61 is provided on the inner wall of the second shielding cover 6 toward the rear end. A mounting opening and a cover plate 65 are provided at the rear end of the second shielding cover 6, and a buckle 651 is provided on the cover plate 65. A fixing block 64 engaged with the buckle 651 is provided on the outer wall of the second shielding cover 6. The end of the positioning spring piece 61 abuts against the positioning groove 81, the cover plate 65 is buckled in the mounting opening, and the buckle 651 is buckled with the fixing block 64 to fix the second insulator 8 in the second shielding cover 6.

[0044] The second shielding cover 6 is provided with a clamping piece 63 and a protrusion 62, the inner wall of the second housing 5 is provided with a wire groove 52, the clamping piece 63 is inserted into the wire groove 52, and the protrusion 62 is interference-fitted with the inner wall of the second housing 5 to fix the second shielding cover 6 in the second housing 5. The first shielding cover 22 and the second shielding cover 6 are both shielding covers formed by stamping of metal sheets.

[0045] Embodiment three, as Figure 10-13As shown, the in-vehicle Ethernet connector includes a female end and a male end for plugging in, the male end has a square plug-in port 50c matching the shape of the female end head, the female end includes a first terminal 3, a first body and a first shell 1 arranged in sequence from the inside to the outside, the male end includes a second terminal 7, a second body and a second shell 5 arranged in sequence from the inside to the outside, the tail of the first body is fixedly connected to the wire 4, the first terminal 3 is connected to the wire core 41 of the wire 4, and the second terminal 7 is inserted into the first terminal 3 to form electrical conduction; the first shell 1 is provided with an elastic arm 14, and the second shell 5 is provided with a buckle 51 that is clamped with the wedge block 141 of the elastic arm 14; the inner wall of the first shell 1 is provided with a buckle 15 and a cover 17, and the buckle 15 and the cover 17 are respectively clamped with the outer wall of the first body to form a double clamping structure. The female end has four first bodies, and the male end has four second bodies. After the female end and the male end are plugged in, four electrical signal transmission channels are formed.

[0046] The first main body includes a first insulator 21 and a first shielding cover 22 sleeved on the outside of the first insulator 21, the second main body includes a second insulator 8 and a second shielding cover 6 sleeved on the outside of the second insulator 8, the second shielding cover 6 is provided with a first elastic sheet in contact with the outer wall of the first shielding cover 22, and the first shielding cover 22 and the second shielding cover 6 are electrically connected through the first elastic sheet.

[0047] The buckle 15 is integrally formed on the first shell 1, and a plug hole 161 perpendicular to the axial direction is provided on the side wall of the first shell 1, and a mounting groove 162 is provided on the edge of the plug hole 161; the buckle 15 is positioned in the mounting groove 162 and the end thereof extends toward the head direction of the first shell 1; the cover 17 is composed of a clamping portion 172 and a mounting portion 171 perpendicular to each other, a pair of barbs 173 are provided at the end of the clamping portion 172, a clamping block 23c is provided on the outer wall of the first body, and a clamping hole 13 is formed on the inner wall of the first shell 1; the end of the buckle 15 abuts against the end surface of the tail of the first insulator 21, the clamping portion 172 is inserted in the plug hole 161 and a pair of barbs 173 are respectively clamped with the clamping block 23c and the clamping hole 13, the mounting portion 171 is embedded in the mounting groove 162, and the inner wall of the mounting portion 171 abuts against the side wall of the buckle 15 to fix the first body in the first shell 1.

[0048] The clamping block 23 c is integrally formed on the outer wall of the first insulator 21 .

[0049] A second spring piece 31 is arranged in the middle of the first terminal 3 toward the tail, a retaining ring 32 is arranged behind the second spring piece 31, a fixing hole 211 and a third spring piece 212 are arranged in the middle of the first insulator 21, the third spring piece 212 extends toward the head of the first insulator 21, the end of the second spring piece 31 abuts against the hole wall of the fixing hole 211, the end of the third spring piece 212 abuts against the rear of the retaining ring 32 of the first terminal 3, and the inner wall of the first shielding cover 22 presses the third spring piece 212 to fix the first terminal 3 in the first insulator 21.

[0050] A positioning groove 81 is provided on the outer wall of the second insulator 8, and a positioning spring piece 61 is provided on the inner wall of the second shielding cover 6 toward the rear end. A mounting opening and a cover plate 65 are provided at the rear end of the second shielding cover 6, and a buckle 651 is provided on the cover plate 65. A fixing block 64 engaged with the buckle 651 is provided on the outer wall of the second shielding cover 6. The end of the positioning spring piece 61 abuts against the positioning groove 81, the cover plate 65 is buckled in the mounting opening, and the buckle 651 is buckled with the fixing block 64 to fix the second insulator 8 in the second shielding cover 6.

[0051] The second shielding cover 6 is provided with a clamping piece 63 and a protrusion 62, the inner wall of the second housing 5 is provided with a wire groove 52, the clamping piece 63 is inserted into the wire groove 52, and the protrusion 62 is interference-fitted with the inner wall of the second housing 5 to fix the second shielding cover 6 in the second housing 5. The first shielding cover 22 and the second shielding cover 6 are both shielding covers formed by stamping of metal sheets.

[0052] like Figure 14-16 As shown, the present invention lists fourteen shapes of male and female end sockets, which are A buckle, B buckle, C buckle, D buckle, E buckle, F buckle, Z buckle, G buckle, H buckle, I buckle, K buckle, L buckle, M buckle and O buckle. The male end A buckle corresponds to the female end A buckle to complete the plug-in positioning, which has the effect of preventing stupid plug-in. Similarly, the male end B buckle can correspond to the female end B buckle to complete the plug-in positioning, and so on for the remaining twelve kinds. The fourteen shapes of the listed sockets are also fourteen kinds of stupid plug-in structures for the female end and the male end.

[0053] The invention has reasonable structure, novel design and strong practicality. The shielding structure formed by the electrical conduction of at least three shielding surfaces of the first shielding cover 22 of the female end and the second shielding cover 6 which fully surrounds the male end realizes 360-degree shielding, so that the signal transmission of the connector network is more stable. The buckle (11, 15) on the inner wall of the first shell 1 is clamped with the first main body, and the buckle (11, 15) is pressed by the cover (12, 17) to limit the movement of the first main body, so as to form a double clamping structure, improve the connection stability between the first main body and the first shell 1, and improve the service life of the connector. It is necessary to first operate the clamping hole 13 to push the barb (123, 173) of the cover (12, 17) out of the clamping hole 13, and release the clamping state of the cover (12, 17) and the first shell 1, so that the buckle (11, 15) can be lifted up and separated from the first main body. The protection of the cover (12, 17) ensures the stability of the connection between the buckle (11, 15) and the first main body, and improves the safety of the connector.

[0054] The above does not limit the technical scope of the present invention in any way. Any modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. In-vehicle Ethernet connector, characterized in that: It comprises a female end and a male end for plugging in, the male end has a plug-in port that matches the shape of the female end head, the female end comprises a first terminal, a first main body and a first shell arranged in sequence from the inside to the outside, the male end comprises a second terminal, a second main body and a second shell arranged in sequence from the inside to the outside, the tail of the first main body is fixedly connected to the wire, the first terminal is connected to the wire core, and the second terminal is inserted into the first terminal to form electrical conduction; an elastic arm is arranged on the first shell, and the second shell is provided with a buckle position that is clamped with a wedge block of the elastic arm; a buckle and a cover are provided on the inner wall of the first shell, and the buckle and the cover are respectively clamped with the outer wall of the first main body to form a double clamping structure; the first main body comprises a first insulator and a first shielding cover sleeved on the outside of the first insulator, the second main body comprises a second insulator and a second shielding cover sleeved on the outside of the second insulator, and the second shielding cover is provided with a The first shielding cover outer wall contacts the first spring sheet, and the first shielding cover and the second shielding cover are electrically connected through the first spring sheet; the buckle and the cover are integrally formed on the first shell, the buckle and the cover are arranged on the first shell in a straight line opposite to each other, the buckle is parallel to the plane of the outer wall of the first main body, the root of the buckle is fixed to the first shell and extends to the tail of the first shell, and the end of the buckle is provided with a bayonet; the root of the cover is rotatably arranged on the first shell, the end of the cover is provided with a step and a block, the block is provided with a barb, the outer wall of the first main body is provided with a block, and the inner wall of the first shell is provided with a card hole; the block of the first main body is snapped into the card hole of the buckle, the end of the cover is snapped on the end of the buckle, and the step abuts against the outer wall of the buckle, the block abuts against the end face of the tail of the first main body, and the barb is snapped into the card hole to fix the first main body in the first shell.

2. The vehicle-mounted Ethernet connector according to claim 1, characterized in that: The buckle is integrally formed with the first shell, and the side wall of the first shell is provided with a socket perpendicular to the axial direction, and a mounting groove is provided at the edge of the socket; the buckle is located in the mounting groove and the end thereof extends toward the head direction of the first shell; the cover is composed of a clamping portion and a mounting portion perpendicular to each other, and a pair of barbs are provided at the end of the clamping portion, a clamping block is provided on the outer wall of the first main body, and a clamping hole is formed on the inner wall of the first shell; the end of the buckle abuts against the end face of the tail of the first insulator, the clamping portion is inserted into the socket and a pair of barbs are respectively clamped with the clamping block and the clamping hole, the mounting portion is embedded in the mounting groove, and the inner wall of the mounting portion abuts against the side wall of the buckle to fix the first main body in the first shell.

3. The vehicle-mounted Ethernet connector according to claim 1 or 2, characterized in that: The card block is integrally formed on the outer wall of the first shielding cover or integrally formed on the outer wall of the first insulator.

4. The vehicle-mounted Ethernet connector according to claim 3, characterized in that: A second spring sheet is arranged in the middle of the first terminal toward the tail, a retaining ring is arranged behind the second spring sheet, a fixing hole and a third spring sheet are arranged in the middle of the first insulator, the third spring sheet extends toward the head of the first insulator, the end of the second spring sheet abuts against the hole wall of the fixing hole, the end of the third spring sheet abuts against the rear of the retaining ring of the first terminal, and the inner wall of the first shielding cover presses the third spring sheet to fix the first terminal in the first insulator.

5. The vehicle-mounted Ethernet connector according to claim 4, characterized in that: A positioning groove is provided on the outer wall of the second insulator, a positioning spring piece is provided on the inner wall of the second shielding cover toward the rear direction, a mounting opening and a cover plate are provided at the rear of the second shielding cover, a buckle is provided on the cover plate, and a fixing block engaged with the buckle is provided on the outer wall of the second shielding cover, the end of the positioning spring piece abuts against the positioning groove, the cover plate is buckled on the mounting opening, and the buckle is buckled with the fixing block to fix the second insulator in the second shielding cover.

6. The vehicle-mounted Ethernet connector according to claim 5, characterized in that: The second shielding cover is provided with a clamping piece and a protrusion, the inner wall of the second shell is provided with a wire groove, the clamping piece is inserted into the wire groove, and the protrusion is interference fit with the inner wall of the second shell to fix the second shielding cover in the second shell.

7. The vehicle-mounted Ethernet connector according to claim 6, characterized in that: The first shielding cover and the second shielding cover are both shielding covers formed by stamping metal sheets.

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