Shielding connector

Abstract

The utility model belongs to the technical field of electric connection, and particularly relates to a shielding connector, which comprises a shielding shell, a plug shell, a cable, a jack terminal, a seat body provided with a first through hole and a shielding compression ring sleeved on the cable, the plug housing is provided with a second through hole and an annular through hole communicated with the second through hole. The shielding shell comprises a first sleeve and a second sleeve connected with the first sleeve. The end, away from the first sleeve, of the second sleeve is provided with an annular flange. The plug shell is inserted into the first through hole, and an annular space communicated with the annular through hole is arranged between the plug shell and the seat body; the first sleeve is inserted into the second through hole. The shielding pressing ring is inserted into the first sleeve and abuts against the inner wall of the first sleeve. The second sleeve is inserted into the annular through hole, and the annular flange is located in the annular space and abuts against the shielding shell. The jack terminal is installed in the second through hole and is electrically connected with the cable. The shielding connector has good shielding effect and waterproof effect.

Description

Technical Field

[0001] The utility model belongs to the technical field of electrical connection, in particular to a shielded connector. Background Art

[0002] As a basic component, electrical connectors are used to transmit and control electrical signals and to achieve connections between electronic and electrical equipment. They are widely used in the electronics, machinery, aviation and other industries and play an important role.

[0003] Although the existing electrical connector is also provided with a shielding ring, the shielding ring is sleeved on the cable and contacts the shielding shell, and the magnetic field generated by the current in the cable can be transmitted to the shielding shell through the shielding ring, and then transmitted out through the shielding shell. However, the existing electrical connector has the problem of poor sealing. When the electrical connector is in use, water may penetrate into the shielding shell through the gap between the shell and the shielding shell. Summary of the invention

[0004] The technical problem to be solved by the utility model is that an electric connector has a poor sealing performance, and a shielded connector is provided.

[0005] In order to solve the above problems, the first embodiment of the utility model provides a shielded connector, including a shielding shell, a plug shell, a cable, a jack terminal, a seat body provided with a first through hole, and a shielding pressure ring sleeved on the cable;

[0006] The plug housing is provided with a second through hole and an annular through hole communicating with the second through hole; the shielding housing comprises a first sleeve and a second sleeve connected to the first sleeve, and an annular flange is provided at one end of the second sleeve away from the first sleeve;

[0007] The plug housing is inserted into the first through hole, and an annular space communicating with the annular through hole is provided between the plug housing and the seat body;

[0008] The first sleeve is inserted into the second through hole, the shielding pressure ring is inserted into the first sleeve and abuts against the inner wall of the first sleeve; the second sleeve is inserted into the annular through hole, the annular flange is located in the annular space and abuts against the shielding shell;

[0009] The socket terminal is installed in the second through hole and is electrically connected to the cable.

[0010] Optionally, the shielded connector further comprises a first sealing ring, and a plurality of first sealing protrusions distributed at intervals are provided on an outer wall of the first sealing ring; the first sealing ring is sleeved on the plug housing, and the first sealing protrusion abuts against an inner wall of the first through hole.

[0011] Optionally, the shielded connector further comprises a second sealing ring, a plurality of second sealing protrusions distributed at intervals are provided on the inner wall of the second sealing ring, and a plurality of third sealing protrusions distributed at intervals are provided on the outer wall of the second sealing ring;

[0012] The second sealing ring is sleeved on the cable, the second sealing protrusion abuts against the cable, and the third sealing protrusion abuts against the inner wall of the second through hole.

[0013] Optionally, a plurality of spring sheets distributed in an annular pattern are provided on the outer wall of the shielding pressure ring, and the spring sheets abut against the inner side wall of the first through hole.

[0014] Optionally, the shielded connector further comprises an end cover provided with a third through hole and a clamping arm, the clamping arm is provided with a clamping hole; the plug housing is further provided with a buckle adapted to the clamping hole;

[0015] The end cover is sleeved on the plug housing by means of the buckle that is clamped in the clamping hole, and the third through hole is connected to the second through hole.

[0016] Optionally, the seat body comprises a third sealing ring, a first shell and a second shell installed on the first shell, and the first shell and the second shell are both provided with the first through hole;

[0017] An annular groove is provided between the first shell and the second shell; the third sealing ring is installed in the annular groove, and two opposite surfaces of the third sealing ring are respectively in contact with the first shell and the second shell.

[0018] Optionally, an annular convex edge extending toward the middle of the first through hole is provided on the first shell, the annular space is provided between the annular convex edge and the plug housing, and the annular flange abuts against the annular convex edge.

[0019] Optionally, the shielded connector includes two cables, two shielding pressure rings and two jack terminals, and the cables, the shielding pressure rings and the jack terminals are arranged in a one-to-one correspondence.

[0020] Optionally, the shielding shell includes two first sleeves spaced apart on the second sleeve, and the two shielding pressure rings are respectively inserted into the two first sleeves.

[0021] Optionally, the shielded connector further comprises a plug piece electrically connected to the socket terminal.

[0022] In the utility model, the plug shell is provided with a second through hole and an annular through hole connected to the second through hole; the shielding shell includes a first sleeve and a second sleeve connected to the first sleeve, and the second sleeve is provided with an annular flange at one end away from the first sleeve; the plug shell is inserted in the first through hole of the seat body, and an annular space connected to the annular through hole is provided between the plug shell and the seat body; the first sleeve is inserted in the second through hole, and the shielding pressure ring is inserted in the first sleeve and abuts against the inner wall of the first sleeve; the second sleeve is inserted in the annular through hole, and the annular flange is located in the annular space and abuts against the shielding shell; the shielding pressure ring is electrically connected to the seat body through the first sleeve, the second sleeve and the annular flange in sequence, so that the magnetic field generated during the power-on of the cable can be transmitted through the shielding pressure ring, the shielding shell and the seat body, thereby ensuring the shielding effect of the shielding connector.

[0023] In addition, the second sleeve of the shielding shell is pressed into the annular through hole of the connector shell, the first sleeve of the shielding shell extends into the second through hole of the plug shell and contacts the shielding pressure ring, and the annular flange of the shielding shell is located outside the annular through hole and pressed in the annular space, so that moisture is not easy to enter the first through hole through the connection between the seat body, the shielding pressure ring and the plug shell, thereby ensuring the waterproof performance of the shielding connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0025] Figure 1 A schematic diagram of the structure of a shielded connector provided by an embodiment of the utility model;

[0026] Figure 2 A schematic diagram of an exploded structure of a shielded connector provided in one embodiment of the utility model;

[0027] Figure 3 A cross-sectional view of a shielded connector provided in one embodiment of the utility model;

[0028] Figure 4 A partial cross-sectional structural diagram of a shielded connector provided in one embodiment of the utility model;

[0029] Figure 5 A cross-sectional view of a plug housing of a shielded connector provided by an embodiment of the utility model;

[0030] Figure 6 A schematic structural diagram of a shielding shell of a shielding connector provided in one embodiment of the utility model;

[0031] Figure 7A schematic structural diagram of a shielding pressure ring of a shielding connector provided in one embodiment of the utility model.

[0032] The reference numerals in the specification are as follows:

[0033] 1. Shielding shell; 11. First sleeve; 12. Second sleeve; 13. Annular flange; 2. Plug shell; 21. Second through hole; 22. Annular through hole; 23. Annular space; 24. Buckle; 3. Cable; 4. Socket terminal; 5. Seat body; 51. First through hole; 52. Third sealing ring; 53. First shell; 54. Second shell; 6. Shielding pressure ring; 61. Spring piece; 7. First sealing ring; 8. Second sealing ring; 9. End cover; 91. Third through hole; 92. Snap arm; 10. Insert. DETAILED DESCRIPTION

[0034] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0035] It should be understood that the directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "front", "back", and "middle" are based on the directions or positional relationships shown in the accompanying drawings and are only used to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation of the present invention.

[0036] like Figures 1 to 6 As shown, a shielded connector provided by an embodiment of the utility model comprises a shielding shell 1, a plug shell 2, a cable 3, a jack terminal 4, a seat body 5 having a first through hole 51, and a shielding pressure ring 6 sleeved on the cable 3;

[0037] The plug housing 2 is provided with a second through hole 21 and an annular through hole 22 connected to the second through hole 21; the shielding housing 1 includes a first sleeve 11 and a second sleeve 12 connected to the first sleeve 11, and an annular flange 13 is provided at one end of the second sleeve 12 away from the first sleeve 11; it can be understood that the annular through hole 22 is arranged around the second through hole 21, and the outer diameter of the first sleeve 11 is smaller than the outer diameter of the second sleeve 12.

[0038] The plug housing 2 is inserted into the first through hole 51, and an annular space 23 connected to the annular through hole 22 is provided between the plug housing 2 and the seat body 5; it can be understood that the lower end of the plug housing 2 is inserted into the first through hole 51, and the first through hole 51 of the seat body 5 is also connected to the second through hole 21.

[0039] The first sleeve 11 is inserted into the second through hole 21, and the shielding pressure ring 6 is inserted in the first sleeve 11 and abuts against the inner wall of the first sleeve 11; the second sleeve 12 is inserted in the annular through hole 22, and the annular flange 13 is located in the annular space 23 and abuts against the shielding shell 1; it can be understood that the shielding pressure ring 6 is electrically connected to the seat body 5 through the first sleeve 11, the second sleeve 12 and the annular flange 13 in sequence.

[0040] The socket terminal 4 is installed in the second through hole 21 and is electrically connected to the cable 3 .

[0041] In the utility model, the plug housing 2 is provided with a second through hole 21 and an annular through hole 22 connected to the second through hole 21; the shielding housing 1 includes a first sleeve 11 and a second sleeve 12 connected to the first sleeve 11, and the second sleeve 12 is provided with an annular flange 13 at one end away from the first sleeve 11; the plug housing 2 is inserted into the first through hole 51 of the seat body 5, and an annular space 23 connected to the annular through hole 22 is provided between the plug housing 2 and the seat body 5; the first sleeve 11 is inserted into the second through hole 21, and the shielding pressure ring 6 is inserted in the first sleeve 11 and abuts against the inner wall of the first sleeve 11; the second sleeve 12 is inserted in the annular through hole 22, the annular flange 13 is located in the annular space 23 and abuts against the shielding shell 1; the shielding pressure ring 6 is electrically connected to the seat body 5 through the first sleeve 11, the second sleeve 12 and the annular flange 13 in sequence, so that the magnetic field generated during the power-on process of the cable 3 can be transmitted through the shielding pressure ring 6, the shielding shell 1 and the seat body 5, thereby ensuring the shielding effect of the shielding connector.

[0042] In addition, the second sleeve 12 of the shielding shell 1 is pressed into the annular through hole 22 of the connector shell, the first sleeve 11 of the shielding shell 1 extends into the second through hole 21 of the plug shell 2 and contacts the shielding pressure ring 6, and the annular flange 13 of the shielding shell 1 is located outside the annular through hole 22 and pressed in the annular space 23, so that moisture is not easy to enter the first through hole 51 through the connection between the seat body 5, the shielding pressure ring 6 and the plug shell 2, thereby ensuring the waterproof performance of the shielding connector.

[0043] In one embodiment, if Figures 2 to 4 As shown, the shielded connector further includes a first sealing ring 7, and a plurality of first sealing protrusions are arranged on the outer wall of the first sealing ring 7 at intervals; the first sealing ring 7 is sleeved on the plug housing 2, and the first sealing protrusion abuts against the inner wall of the first through hole 51. It can be understood that the first sealing ring 7 is sleeved on the outer wall of the plug housing 2 and is located in the first through hole 51, thereby ensuring the sealing of the plug housing 2 when inserted in the first through hole 51. In addition, the plurality of first sealing protrusions on the outer wall of the first sealing ring 7 are pressed against the inner wall of the first through hole 51, and the annular groove between two adjacent first sealing protrusions can play a role in retaining moisture, further ensuring the sealing effect of the first sealing ring 7 on the plug housing 2 when inserted in the first through hole 51.

[0044] In one embodiment, if Figure 2 and Figure 3 As shown, the shielded connector further comprises a second sealing ring 8, a plurality of second sealing protrusions distributed at intervals are provided on the inner wall of the second sealing ring 8, and a plurality of third sealing protrusions distributed at intervals are provided on the outer wall of the second sealing ring 8;

[0045] The second sealing ring 8 is sleeved on the cable 3, the second sealing protrusion is in contact with the cable 3, and the third sealing protrusion is in contact with the inner wall of the second through hole 21. It can be understood that the second sealing ring 8 sleeved on the cable 3 is inserted into the top of the second through hole 21, thereby ensuring the sealing ring of the cable 3 inserted into the second through hole 21. In addition, the multiple second sealing protrusions on the inner wall of the second sealing ring 8 are pressed tightly on the cable 3, and the annular groove between two adjacent second sealing protrusions can play a role in retaining moisture; the multiple third sealing protrusions on the outer wall of the second sealing ring 8 are pressed tightly on the inner wall of the second through hole 21, and the annular groove between two adjacent third sealing protrusions can play a role in retaining moisture; thus, the design of the second sealing protrusion and the third sealing protrusion further ensures the sealing effect of the second sealing ring 8 on the cable 3 inserted into the second through hole 21.

[0046] In one embodiment, if Figure 3 and Figure 7As shown, the outer wall of the shielding pressure ring 6 is provided with a plurality of spring pieces 61 distributed in an annular space, and the spring pieces 61 abut against the inner wall of the first through hole 51. It can be understood that the side wall of the shielding pressure ring 6 is provided with a plurality of windows distributed in an annular space, each of the windows is provided with a spring piece 61, one end of the spring piece 61 is connected to the inner wall of the window, and the other end of the spring piece 61 extends toward the outside. Specifically, when the shielding pressure ring 6 is inserted into the inner hole of the first sleeve 11 and the second through hole 21, the spring piece 61 will be tightly attached to the inner wall of the first sleeve 11, thereby ensuring the stability of the contact between the shielding pressure ring 6 and the shielding shell 1.

[0047] In one embodiment, if Figure 1 and Figure 2 As shown, the shielded connector further comprises an end cover 9 having a third through hole 91 and a clamping arm 92, wherein the clamping arm 92 is provided with a clamping hole; the plug housing 2 is further provided with a buckle 24 adapted to the clamping hole;

[0048] The end cover 9 is sleeved on the plug housing 2 by the buckle 24 that is engaged in the clamping hole, and the third through hole 91 is connected to the second through hole 21. It can be understood that one end of the cable 3 is electrically connected to the jack terminal 4 after passing through the third through hole 91 and the second through hole 21 in sequence; after the end cover 9 is covered on the plug housing 2, the second sealing ring 8 can also be pressed tightly in the second through hole 21; in addition, the end cover 9 and the plug housing 2 are connected by the buckle 24 structure for detachable connection, which improves the convenience of assembly and disassembly of the shielded connector.

[0049] In one embodiment, if Figure 2 and Figure 3 As shown, the seat body 5 includes a third sealing ring 52, a first shell 53 and a second shell 54 installed on the first shell 53, and the first shell 53 and the second shell 54 are both provided with the first through hole 51; it can be understood that the first shell 53 and the second shell 54 can be connected by fixing parts such as screws and bolts, the first shell 53 is made of metal parts, and the second shell 54 can be made of plastic parts, and the first sealing ring 7 is sleeved on the plug housing 2 and abuts against the first shell 53.

[0050] An annular groove is provided between the first housing 53 and the second housing 54; the third sealing ring 52 is installed in the annular groove, and two opposite surfaces of the third sealing ring 52 are respectively in contact with the first housing 53 and the second housing 54. It can be understood that the third sealing ring 52 is pressed between the first housing 53 and the second housing 54, ensuring the sealing of the connection between the first housing 53 and the second housing 54.

[0051] In one embodiment, if Figure 4 As shown, the first shell 53 is provided with an annular convex edge extending toward the middle of the first through hole 51, the annular space 23 is provided between the annular convex edge and the plug housing 2, and the annular flange 13 abuts against the annular convex edge. It can be understood that the annular flange 13 is pressed between the plug housing 2 and the annular convex edge, ensuring the stability of the shielding housing 1 installed in the shielding connector.

[0052] In one embodiment, if Figures 1 to 3 As shown, the shielded connector includes two cables 3, two shielding pressure rings 6 and two jack terminals 4, and the cables 3, the shielding pressure rings 6 and the jack terminals 4 are arranged in a one-to-one correspondence. It can be understood that the two cables 3 can be a positive cable and a negative cable, or a neutral wire and a live wire.

[0053] In one embodiment, if Figure 3 and Figure 6 As shown, the shielding shell 1 includes two first sleeves 11 spaced apart on the second sleeve 12, and the two shielding pressure rings 6 are respectively inserted into the two first sleeves 11. It can be understood that the two first sleeves 11 are arranged on the top of the second sleeve 12, and the first sleeve 11, the second sleeve 12 and the annular flange 13 are an integrally formed part.

[0054] In one embodiment, if Figure 2 and Figure 3 As shown, the shielded connector also includes a plug 10 electrically connected to the socket terminal 4; the plug 10 can also be installed in the first through hole 51 of the seat body 5, and the plug 10 ensures the stability of the connection between the electrical connector and the external device.

[0055] The above are only embodiments of the shielded connector of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A shielded connector, characterized in that: It comprises a shielding shell, a plug shell, a cable, a jack terminal, a seat body provided with a first through hole, and a shielding pressure ring sleeved on the cable; The plug housing is provided with a second through hole and an annular through hole communicating with the second through hole; the shielding housing comprises a first sleeve and a second sleeve connected to the first sleeve, and an annular flange is provided at one end of the second sleeve away from the first sleeve; The plug housing is inserted into the first through hole, and an annular space communicating with the annular through hole is provided between the plug housing and the seat body; The first sleeve is inserted into the second through hole, the shielding pressure ring is inserted into the first sleeve and abuts against the inner wall of the first sleeve; the second sleeve is inserted into the annular through hole, the annular flange is located in the annular space and abuts against the shielding shell; The socket terminal is installed in the second through hole and is electrically connected to the cable.

2. The shielded connector according to claim 1, characterized in that: The shielded connector further comprises a first sealing ring, on the outer wall of which a plurality of first sealing protrusions distributed at intervals are provided; the first sealing ring is sleeved on the plug housing, and the first sealing protrusions abut against the inner side wall of the first through hole.

3. The shielded connector according to claim 1, characterized in that: The shielded connector further comprises a second sealing ring, a plurality of second sealing protrusions distributed at intervals are provided on the inner wall of the second sealing ring, and a plurality of third sealing protrusions distributed at intervals are provided on the outer wall of the second sealing ring; The second sealing ring is sleeved on the cable, the second sealing protrusion abuts against the cable, and the third sealing protrusion abuts against the inner wall of the second through hole.

4. The shielded connector according to claim 1, characterized in that: A plurality of spring sheets distributed in an annular pattern are disposed on the outer wall of the shielding pressure ring, and the spring sheets abut against the inner side wall of the first through hole.

5. The shielded connector according to claim 1, characterized in that: The shielded connector further comprises an end cover provided with a third through hole and a clamping arm, wherein the clamping arm is provided with a clamping hole; the plug housing is further provided with a buckle adapted to the clamping hole; The end cover is sleeved on the plug housing by means of the buckle that is clamped in the clamping hole, and the third through hole is connected to the second through hole.

6. The shielded connector according to claim 1, characterized in that: The seat body comprises a third sealing ring, a first shell and a second shell installed on the first shell, and the first shell and the second shell are both provided with the first through hole; An annular groove is provided between the first shell and the second shell; the third sealing ring is installed in the annular groove, and two opposite surfaces of the third sealing ring are respectively in contact with the first shell and the second shell.

7. The shielded connector according to claim 6, characterized in that: The first shell is provided with an annular convex edge extending toward the middle of the first through hole, the annular space is arranged between the annular convex edge and the plug housing, and the annular flange abuts against the annular convex edge.

8. The shielded connector according to claim 6, characterized in that: The shielded connector includes two cables, two shielding pressure rings and two jack terminals, and the cables, the shielding pressure rings and the jack terminals are arranged in a one-to-one correspondence.

9. The shielded connector according to claim 8, characterized in that: The shielding shell comprises two first sleeves which are spaced apart on the second sleeve, and the two shielding pressure rings are respectively inserted into the two first sleeves.

10. The shielded connector according to any one of claims 1 to 9, characterized in that: The shielded connector further includes an insert sheet electrically connected to the socket terminal.

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