Plug connector, receptacle connector, and connector assembly

Abstract

To overcome and improve a drawback that signal transmission quality of a signal terminal is deteriorated by interference from a power terminal when a connector has the power terminal and the signal terminal.SOLUTION: A plug connector (100), a receptacle connector, and a connector assembly are disclosed. The plug connector (100) includes: a metallic housing (130); an insulator (110) housed within the metallic housing (130); a signal terminal (121) provided within the insulator (110); and a power terminal (122) provided within the insulator (110). The insulator (110) is formed with an insertion slot (111). The plug connector (100) further includes a metallic sheet (140) which is inserted into the insertion slot (111). The signal terminal (121) and the power terminal (122) are separated from each other by the metallic sheet (140) so as to protect the signal terminal (121) from electromagnetic interference.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS This application claims the benefit of Chinese Patent Application No. CN202020342968.3, filed with the China National Intellectual Property Office on March 18, 2020, the disclosure of which is incorporated herein by reference in its entirety.

[0002] At least one of the embodiments of the present disclosure relates to a plug connector, a receptacle connector, and a connector assembly including the plug connector and the receptacle connector. [Background technology]

[0003] In the related art, in order to improve the anti-electromagnetic interference capability of a connector, it is usually necessary to provide a metal shielding housing. The metal shielding housing is usually sleeved on an insulator. The terminals of the connector are mounted in the insulator and surrounded by the metal shielding housing. In this way, it is possible to protect the signal terminals of the connector from external electromagnetic interference. However, when a connector has both power terminals and signal terminals, the signal terminals still receive interference from the power terminals, which reduces the signal transmission quality of the signal terminals. Summary of the Invention [Problem to be solved by the invention]

[0004] SUMMARY OF THE DISCLOSURE The present disclosure has been made to overcome or ameliorate at least one aspect of the above-mentioned disadvantages. [Means for solving the problem]

[0005] According to an aspect of the present disclosure, there is provided a plug connector including a metal housing, an insulator contained within the metal housing, a signal terminal disposed within the insulator, and a power terminal disposed within the insulator. The insulator has an insertion slot formed therein. The plug connector further includes a metal sheet inserted into the insertion slot. The signal terminal and the power terminal are separated from each other by the metal sheet to protect the signal terminal from electromagnetic interference.

[0006] According to an exemplary embodiment of the present disclosure, the metal sheet is in electrical contact with the inner wall of the metal housing on both sides thereof to divide the interior space of the metal housing into two electromagnetically shielded spaces, each of which is circumferentially closed, with the signal terminals being disposed in one of the two electromagnetically shielded spaces and the power terminals being disposed in the other of the two electromagnetically shielded spaces.

[0007] According to another exemplary embodiment of the present disclosure, the insertion slots are disposed in a plane passing through the central axis of the insulator.

[0008] According to yet another exemplary embodiment of the present disclosure, at least one rib-shaped protrusion extending in a direction parallel to an axis of the metal housing is formed on an inner wall of the insulator, and at least one positioning groove corresponding to the at least one rib-shaped protrusion is formed on an outer wall of the insulator, and the at least one rib-shaped protrusion is positioned in the at least one positioning groove.

[0009] According to yet another exemplary embodiment of the present disclosure, the metal housing has a plurality of rib-shaped protrusions formed on an inner wall thereof, the plurality of rib-shaped protrusions being distributed at predetermined intervals along a circumferential direction of the metal housing.

[0010] According to yet another exemplary embodiment of the present disclosure, the plug connector further comprises a metal sleeve fitted over the metal housing, the metal sleeve having an outer wall at an end thereof formed with external threads configured to be threadably connected to the metal housing of the receptacle connector.

[0011] According to another aspect of the present disclosure, there is provided a receptacle connector including a metal housing, an insulator contained within the metal housing, a signal terminal disposed within the insulator, and a power terminal disposed within the insulator. The insulator has an insertion slot formed therein. The receptacle connector further includes a metal sheet inserted into the insertion slot. The signal terminal and the power terminal are separated from each other by the metal sheet to protect the signal terminal from electromagnetic interference.

[0012] According to another exemplary embodiment of the present disclosure, the metal sheet is in electrical contact with the inner wall of the metal housing on both sides thereof to divide the interior space of the metal housing into two electromagnetically shielded spaces, each of which is circumferentially closed, with the signal terminals being disposed in one of the two electromagnetically shielded spaces and the power terminals being disposed in the other of the two electromagnetically shielded spaces.

[0013] According to yet another exemplary embodiment of the present disclosure, the insertion slots are disposed in a plane passing through a central axis of the insulator.

[0014] According to yet another exemplary embodiment of the present disclosure, the metal housing has an internal thread formed on an inner wall of an end portion thereof that is configured to be threadably connected with a metal sleeve of a plug connector.

[0015] According to yet another exemplary embodiment of the present disclosure, the metal housing has a flange-shaped base. The receptacle connector further includes a nut configured to be threaded onto a main body portion of the metal housing, the main body portion of the metal housing configured to pass through a through hole formed in the mounting panel. The nut and the base are configured to be positioned on opposite sides of the mounting panel, respectively, such that the receptacle connector can be secured to the mounting panel by threading the nut.

[0016] According to yet another exemplary embodiment of the present disclosure, the receptacle connector further comprises a resilient seal ring fitted over the main body portion of the metal housing and configured to be compressed between the mounting panel and a base of the metal housing to provide a seal between the receptacle connector and the mounting panel.

[0017] According to another aspect of the present disclosure, there is provided a connector assembly comprising a plug connector as described above and a receptacle connector as described above, the receptacle connector being configured to mate with the plug connector.

[0018] According to an exemplary embodiment of the present disclosure, when the plug connector and the receptacle connector are mated together, an edge of the metal sheet of the plug connector at least partially overlaps an edge of the metal sheet of the receptacle connector.

[0019] According to another exemplary embodiment of the present disclosure, when the plug connector and the receptacle connector are mated together, an end of the metal sheet of the plug connector is in electrical contact with an end of the metal sheet of the receptacle connector.

[0020] According to yet another exemplary embodiment of the present disclosure, when the plug connector and the receptacle connector are mated together, an end of a metal sleeve of the plug connector is threadedly connected with an end of a metal housing of the receptacle connector.

[0021] According to yet another exemplary embodiment of the present disclosure, the ends of the signal and power terminals of the plug connector are solid rod-shaped and the ends of the signal and power terminals of the receptacle connector are hollow cylinder-shaped, and when the plug and receptacle connectors are mated together, the ends of the signal and power terminals of the plug connector are inserted into the ends of the signal and power terminals of the receptacle connector, respectively.

[0022] In various embodiments of the present disclosure as described above, the signal terminals and the power terminals are separated from each other by a metal sheet, which can protect the signal terminals from electromagnetic interference.

[0023] Other objects and advantages of the present disclosure will become apparent from the following description of the disclosure taken in conjunction with the accompanying drawings, which may provide a comprehensive understanding of the present disclosure.

[0024] The above and other features of the present disclosure will become more apparent from the following detailed description of exemplary embodiments of the present disclosure, taken in conjunction with the accompanying drawings. [Brief description of the drawings]

[0025] [Figure 1] FIG. 1 is a perspective view of a plug connector according to an exemplary embodiment of the present disclosure. [Diagram 2] FIG. 2 is a perspective view of a receptacle connector according to an exemplary embodiment of the present disclosure. [Diagram 3] 3 is a schematic diagram showing a state in which the plug connector shown in FIG. 1 and the receptacle connector shown in FIG. 2 are mated together. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0026] The technical solutions of the present disclosure are described in further detail below with reference to the following embodiments taken in conjunction with the accompanying drawings. In this description, the same or similar reference symbols represent the same or similar parts. The following description of the embodiments of the present disclosure with reference to the accompanying drawings is intended to explain the general concept with inventive step of the present disclosure, and should not be construed as limiting the present disclosure.

[0027] Moreover, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, it will be apparent that one or more embodiments may be practiced without these specific details. In some instances, well-known structures and devices are shown in schematic form to simplify the drawings.

[0028] According to one general technical concept of the present disclosure, there is provided a plug connector including a metal housing, an insulator accommodated in the metal housing, a signal terminal provided in the insulator, and a power terminal provided in the insulator. An insertion slot is formed in the insulator. The plug connector further includes a metal sheet inserted in the insertion slot. The signal terminal and the power terminal are separated from each other by the metal sheet to protect the signal terminal from electromagnetic interference.

[0029] According to another general technical concept of the present disclosure, there is provided a receptacle connector including a metal housing, an insulator housed within the metal housing, a signal terminal provided within the insulator, and a power terminal provided within the insulator. The insulator has an insertion slot formed therein. The receptacle connector further includes a metal sheet inserted into the insertion slot. The signal terminal and the power terminal are separated from each other by the metal sheet to protect the signal terminal from electromagnetic interference.

[0030] According to yet another general technical concept of the present disclosure, there is provided a connector assembly including a plug connector as described above and a receptacle connector as described above, the receptacle connector being configured to mate with the plug connector.

[0031] FIG. 1 illustrates a perspective view of a plug connector 100 according to an exemplary embodiment of the present disclosure.

[0032] 1, in the illustrated embodiment, the plug connector 100 mainly includes a metal housing 130, an insulator 110, a signal terminal 121, and a power terminal 122. The insulator 110 is accommodated in the metal housing 130. The signal terminal 121 is disposed in the insulator 110. The power terminal 122 is disposed in the insulator 110.

[0033] 1, in the illustrated embodiment, an insertion slot 111 is formed in the insulator 110. The plug connector further includes a metal sheet 140. The metal sheet 140 is inserted into the insertion slot 111. The signal terminal 121 and the power terminal 122 are separated from each other by the metal sheet 140 to prevent the signal terminal 121 from being affected by the power terminal 122.

[0034] 1, in the illustrated embodiment, the metal sheet 140 is in electrical contact with the inner walls of the metal housing 130 on both sides thereof, dividing the interior space of the metal housing 130 into two electromagnetically shielded spaces that are each closed in the circumferential direction. The signal terminal 121 is disposed in one of the two electromagnetically shielded spaces, and the power terminal 122 is disposed in the other of the two electromagnetically shielded spaces.

[0035] As shown in FIG. 1, in the illustrated embodiment, the insertion slots 111 are disposed in a plane passing through the central axis of the insulator 110 .

[0036] 1, in the illustrated embodiment, at least one rib-shaped protrusion 130a is formed on the inner wall of the metal housing 130. The at least one rib-shaped protrusion 130a extends in a direction parallel to the axis of the metal housing 130. At least one positioning groove 110a corresponding to the at least one rib-shaped protrusion 130a is formed on the outer wall of the insulator 110, and the at least one rib-shaped protrusion 130a is positioned in the at least one positioning groove 110a.

[0037] 1, in the illustrated embodiment, a plurality of rib-shaped protrusions 130a are formed on the inner wall of the metal housing 130. The plurality of rib-shaped protrusions 130a are distributed at predetermined intervals along the circumferential direction of the metal housing 130. That is, the plurality of rib-shaped protrusions 130a are evenly distributed around the central axis of the metal housing 130.

[0038] 1, in the illustrated embodiment, the plug connector further comprises a metal sleeve 150. The metal sleeve 150 is fitted onto the metal housing 130. An outer wall of an end 151 of the metal sleeve 150 is formed with an external thread configured to be threadably connected to a metal housing 230 of the receptacle connector 200.

[0039] FIG. 2 illustrates a schematic perspective view of a receptacle connector 200 according to an exemplary embodiment of the present disclosure.

[0040] 2, in the illustrated embodiment, the receptacle connector 200 mainly includes a metal housing 230, an insulator 210, a signal terminal 221, and a power terminal 222. The insulator 210 is accommodated in the metal housing 230. The signal terminal 221 is disposed in the insulator 210. The power terminal 222 is disposed in the insulator 210.

[0041] FIG. 3 is a schematic diagram showing a state in which the plug connector 100 shown in FIG. 1 and the receptacle connector 200 shown in FIG. 2 are mated together.

[0042] 2 and 3 , in the illustrated embodiment, the insertion slot 211 is formed in the insulator 210. The receptacle connector 200 further includes a metal sheet 240. The metal sheet 240 is inserted into the insertion slot 211. The signal terminal 221 and the power terminal 222 are separated from each other by the metal sheet 240 to prevent the signal terminal 221 from receiving interference from the power terminal 222.

[0043] 2 and 3, in the illustrated embodiment, the metal sheet 240 is in electrical contact with the inner walls of the metal housing 230 on both sides thereof to divide the interior space of the metal housing 230 into two electromagnetically shielded spaces that are each closed in the circumferential direction. The signal terminal 221 is disposed in one of the two electromagnetically shielded spaces, and the power terminal 222 is disposed in the other of the two electromagnetically shielded spaces.

[0044] As shown in FIGS. 2 and 3, in the illustrated embodiment, the insertion slots 211 are disposed in a plane passing through the central axis of the insulator 210. As shown in FIG.

[0045] As shown in Figures 2 and 3, in the illustrated embodiment, the inner wall of the end of the metal housing 230 has an internal thread formed thereon that is configured to be threadably connected to the metal sleeve 150 of the plug connector 100.

[0046] 2 and 3, in the illustrated embodiment, the metal housing 230 has a flange-shaped base 230a. The receptacle connector 200 further includes a nut 201 configured to be threaded onto a main body portion of the metal housing 230. The main body portion of the metal housing 230 is configured to pass through a through hole formed in the mounting panel 10. The nut 201 and the base 230a are configured to be positioned on either side of the mounting panel 10, respectively, such that the receptacle connector 200 can be fixed to the mounting panel 10 by threading the nut 201.

[0047] 2 and 3, in the illustrated embodiment, the receptacle connector 200 further comprises a resilient seal ring 202. The resilient seal ring 202 is fitted over a main body portion of a metal housing 230 and configured to be compressed between the mounting panel 10 and a base 230a of the metal housing 230 to provide a seal between the receptacle connector 200 and the mounting panel 10.

[0048] As shown in Figures 1-3, the illustrated embodiment also discloses a connector assembly including a plug connector 100, shown in Figure 1, and a receptacle connector 200, shown in Figure 2. The receptacle connector 200 is configured to mate with the plug connector 100.

[0049] As shown in Figures 1 to 3, in the illustrated embodiment, when the plug connector 100 and the receptacle connector 200 are mated together, an end 140a of a metal sheet 140 of the plug connector 100 at least partially overlaps an end 240a of a metal sheet 240 of the receptacle connector 200.

[0050] As shown in Figures 1 to 3, in the illustrated embodiment, when the plug connector 100 and the receptacle connector 200 are mated together, end 140a of metal sheet 140 of plug connector 100 is in electrical contact with end 240a of receptacle connector 200.

[0051] As shown in Figures 1 to 3, in the illustrated embodiment, end 151 of metal sleeve 150 of plug connector 100 is threadedly connected to an end of metal housing 230 of receptacle connector 200 when plug connector 100 and receptacle connector 200 are mated together.

[0052] 1 to 3, in the illustrated embodiment, the ends of the signal terminals 121 and the power terminals 122 of the plug connector 100 are solid rod-shaped, and the ends of the signal terminals 221 and the power terminals 222 of the receptacle connector 200 are hollow cylinder-shaped. When the plug connector 100 and the receptacle connector 200 are mated together, the ends of the signal terminals 121 and the power terminals 122 of the plug connector 100 are inserted into the ends of the signal terminals 221 and the power terminals 222 of the receptacle connector 200, respectively.

[0053] The above-described embodiments are intended to be illustrative, and those skilled in the art will appreciate that many modifications can be made to the above-described embodiments. Furthermore, the various structures described in the various embodiments can be freely combined with each other without any conflict in structure or principle.

[0054] Although the present disclosure has been described in detail above with reference to the accompanying drawings, it should be understood that the embodiments disclosed in the accompanying drawings are intended to illustrate preferred embodiments of the present disclosure by way of example and should not be construed as limiting the present disclosure.

[0055] While several embodiments of the inventive general concept of the present disclosure have been shown and described, those skilled in the art will recognize that changes or modifications can be made to these embodiments without departing from the principles and spirit of the inventive general concept, the scope of the present disclosure being defined by the claims and their equivalents.

[0056] It should be noted that the word "comprise" does not exclude other elements or steps, and the words "a" or "an" do not exclude more than one. Moreover, any reference signs in the claims shall not be construed as limiting the scope of the present disclosure.

Claims

1. A plug connector, The plug connector comprises: a metal housing (130); - an insulator (110) housed within said metal housing (130) and having an insertion slot (111) formed therein; - a signal terminal (121) provided within said insulator (110); - a power terminal (122) provided within said insulator (110); - a metal sheet (140) inserted into said insertion slot (111); It is equipped with the signal terminal (121) and the power terminal (122) are separated from each other by the metal sheet (140) to protect the signal terminal (121) from electromagnetic interference. Plug connector.

2. the metal sheet (140) is in electrical contact with the inner wall of the metal housing (130) on both sides thereof, dividing the internal space of the metal housing (130) into two electromagnetically shielded spaces each closed in the circumferential direction; the signal terminal (121) is disposed in one of the two electromagnetic shielding spaces, and the power terminal (122) is disposed in the other of the two electromagnetic shielding spaces. The plug connector according to claim 1 .

3. The insertion slot (111) is arranged in a plane passing through a central axis of the insulator (110). The plug connector according to claim 1 .

4. At least one rib-shaped protrusion (130a) is formed on the inner wall of the metal housing (130), and the at least one rib-shaped protrusion (130a) extends in a direction parallel to the axis of the metal housing (130); At least one positioning groove (110a) is formed on the outer wall of the insulator (110), the positioning groove (110a) corresponding to each of the at least one rib-shaped protrusions (130a); The at least one rib-shaped protrusion (130a) is positioned in the at least one positioning groove (110a), The plug connector according to claim 1 .

5. The plug connector further comprises a metal sleeve (150); The metal sleeve (150) is fitted onto the metal housing (130), and an external thread is formed on the outer wall of the end (151) of the metal sleeve (150) so as to be threadably connected to the metal housing (230) of the receptacle connector (200). The plug connector according to claim 1 .

6. A receptacle connector, The receptacle connector includes: a metal housing (230); - an insulator (210) housed within said metal housing (230) and having an insertion slot (211) formed therein; - a signal terminal (221) provided within said insulator (210); - a power terminal (222) provided within said insulator (210); - a metal sheet (240) inserted into said insertion slot (211); It is equipped with the signal terminal (221) and the power terminal (222) are separated from each other by the metal sheet (240) to protect the signal terminal (221) from electromagnetic interference. Receptacle connector.

7. the metal sheet (240) is in electrical contact with the inner wall of the metal housing (230) on both sides thereof, dividing the internal space of the metal housing (230) into two electromagnetically shielded spaces each closed in the circumferential direction; the signal terminal (221) is disposed in one of the two electromagnetic shielding spaces, and the power terminal (222) is disposed in the other of the two electromagnetic shielding spaces. The receptacle connector according to claim 6 .

8. 7. The receptacle connector according to claim 6, wherein the insertion slot (211) is disposed in a plane passing through a central axis of the insulator (210).

9. The inner wall of the end of the metal housing (230) is formed with an internal thread configured to be threadably connected to a metal sleeve (150) of the plug connector (100). The receptacle connector according to claim 6 .

10. The metal housing (230) has a flange-shaped base (230a), The receptacle connector (200) further comprises a nut (201) configured to be threadedly connected onto a main body portion of the metal housing (230); The main body portion of the metal housing (230) is configured to pass through a through hole formed in a mounting panel (10), and the nut (201) and the base (230a) are configured to be positioned on both sides of the mounting panel (10), respectively, such that the receptacle connector (200) can be fixed to the mounting panel (10) by screwing the nut (201). Characterized in that The receptacle connector according to claim 6 .

11. The receptacle connector further comprises a resilient sealing ring (202); the elastic seal ring (202) is fitted over the main body portion of the metal housing (230) and configured to be compressed between the mounting panel (10) and the base (230a) of the metal housing (230) to provide a seal between the receptacle connector (200) and the mounting panel (10). The receptacle connector according to claim 10.

12. - a plug connector (100) according to any one of claims 1 to 5; - a receptacle connector (200) according to any one of claims 6 to 11, The receptacle connector (200) is configured to mate with the plug connector (100). A connector assembly comprising:

13. When the plug connector (100) and the receptacle connector (200) are mated together, an end (140a) of the metal sheet (140) of the plug connector (100) at least partially overlaps an end (240a) of the metal sheet (240) of the receptacle connector (200). The connector assembly of claim 12.

14. When the plug connector (100) and the receptacle connector (200) are mated together, an end (140a) of the metal sheet (140) of the plug connector (100) is in electrical contact with an end (240a) of the metal sheet (240) of the receptacle connector (200). The connector assembly of claim 12.

15. When the plug connector (100) and the receptacle connector (200) are mated together, an end (151) of the metal sleeve (150) of the plug connector (100) is threadedly connected to an end of the metal housing (230) of the receptacle connector (200). The connector assembly of claim 12.

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