Adapters, plug connector assemblies, and connector assemblies

Abstract

A plug connector assembly includes a plug connector including a resilient locking structure adapted to be locked to a mating socket connector, and an adapter in which the plug connector is adapted to be fitted and adapted to be mated with the socket connector inserted into the adapter. The resilient locking structure is adapted to be moved between a locked position engaged with the socket connector and an unlocked position separated from the socket connector. The adapter has a pressing structure that presses and holds the resilient locking structure in the unlocked position when the plug connector is fitted in the adapter, and a pull-stopping structure that stops against the resilient locking structure to prevent the plug connector from being pulled out of the adapter. In the present invention, the adapter holds the resilient locking structure in the unlocked position, thereby allowing the socket connector to be directly pulled out of the adapter, achieving a quick plug-and-pull operation between the plug connector and the socket connector.

Description

Technical Field

[0001] The present invention relates to an adapter, a plug connector assembly comprising the adapter, and a connector assembly comprising the plug connector assembly. Background Art

[0002] In the prior art, both the RJ45 plug connector and the RJ45 socket connector are standardized connector products. Typically, the housing of the RJ45 plug connector is provided with a resilient locking structure and an unlocking pressing portion for pressing the resilient locking structure. When the RJ45 plug connector and the RJ45 socket connector are mated together, the resilient locking structure on the RJ45 plug connector is in a locked position, engaging with the RJ45 socket connector, thereby locking the RJ45 plug connector and the RJ45 socket connector together. Therefore, when the RJ45 plug connector needs to be removed from the RJ45 socket connector, the unlocking pressing portion must first press the resilient locking structure to an unlocked position, separating it from the RJ45 socket connector, before the RJ45 plug connector can be removed.

[0003] In the prior art, since the elastic locking structure needs to be pressed to an unlocking position separated from the RJ45 socket connector by the unlocking pressing portion, a quick plug-in / unplug operation between the RJ45 plug connector and the RJ45 socket connector cannot be achieved. Summary of the Invention

[0004] The purpose of the present invention is to solve at least one aspect of the above-mentioned problems and defects in the prior art.

[0005] According to one aspect of the present invention, a plug connector assembly is provided, comprising: a plug connector including a resilient locking structure adapted to lock to a mating receptacle connector; and an adapter, wherein the plug connector is adapted to be assembled in the adapter and to mate with a receptacle connector inserted into the adapter. The resilient locking structure is adapted to move between a locked position engaged with the receptacle connector and an unlocked position separated from the receptacle connector. The adapter comprises a pressing structure and a pulling structure. When the plug connector is assembled in the adapter, the pressing structure presses and holds the resilient locking structure in the unlocked position, and the pulling structure presses against the resilient locking structure to prevent the plug connector from being pulled out of the adapter.

[0006] According to an exemplary embodiment of the present invention, the elastic locking structure includes an elastic arm arranged on the shell of the plug connector and a pair of locking protrusions located on both sides of the elastic arm; when the elastic arm is in a released state where it is not pressed, the pair of locking protrusions are in the locked position; when the elastic arm is in a pressed state where it is pressed, the pair of locking protrusions are in the unlocked position.

[0007] According to another exemplary embodiment of the present invention, when the plug connector is assembled in the adapter, the elastic arm is pressed down by the pressing structure, and the pulling structure presses against the pair of locking protrusions.

[0008] According to another exemplary embodiment of the present invention, the adapter includes an inner housing and an outer housing, the plug connector is adapted to be assembled in the inner housing, and the inner housing is adapted to be assembled in the outer housing.

[0009] According to another exemplary embodiment of the present invention, the pulling-stop structure includes a pair of support columns formed on the inner shell, and the front ends of the pair of support columns are suitable for supporting the pair of locking protrusions to prevent the plug connector from being pulled out of the adapter.

[0010] According to another exemplary embodiment of the present invention, the pressing structure includes a crossbeam connected between the pair of support columns, and the crossbeam is suitable for pressing the elastic arm downward so that the pair of locking protrusions are in the unlocking position.

[0011] According to another exemplary embodiment of the present invention, the pressing structure further includes a pressing portion formed on the inner wall of the outer shell, and the pressing portion is suitable for pressing the elastic arm downward so that the pair of locking protrusions are in the unlocking position.

[0012] According to another exemplary embodiment of the present invention, the pressing structure includes a pressing portion formed on the inner wall of the outer shell, and the pressing portion is suitable for pressing the elastic arm downward so that the pair of locking protrusions are in the unlocking position.

[0013] According to another exemplary embodiment of the present invention, an elastic locking structure is respectively provided on the two outer side walls of the inner shell; when the inner shell is assembled in the outer shell, the elastic locking structure engages with the inner wall of the outer shell, thereby locking the inner shell to the outer shell.

[0014] According to another exemplary embodiment of the present invention, the elastic locking structure includes an elastic cantilever and a snap protrusion formed on the outer side of the elastic cantilever; locking steps suitable for engaging with the snap protrusion are respectively formed on the two inner side walls of the outer shell; when the inner shell is assembled in the outer shell, the snap protrusion engages with the locking steps, thereby locking the inner shell to the outer shell.

[0015] According to another exemplary embodiment of the present invention, when the inner shell is assembled in the outer shell, the free end of the elastic cantilever is located outside the outer shell, so that the snap protrusion can be separated from the locking step by pressing the free end.

[0016] According to another exemplary embodiment of the present invention, the plug connector further includes an unlocking pressing portion, and the elastic locking structure can be pressed to the unlocking position by pressing the unlocking pressing portion.

[0017] According to another exemplary embodiment of the present invention, the unlocking pressing portion is an elastic pressing arm extending obliquely upward from the top of the plug connector; a first opening and a second opening are respectively formed on the top walls of the inner shell and the outer shell of the adapter, and the unlocking pressing portion is exposed through the first opening and the second opening.

[0018] According to another exemplary embodiment of the present invention, the bottom of the inner shell is open, and the plug connector is suitable for being installed into the inner shell from the bottom opening of the inner shell; after being assembled into the inner shell, the plug connector is inserted into the outer shell together with the inner shell.

[0019] According to another exemplary embodiment of the present invention, the plug connector is an RJ45 plug connector, and the socket connector is an RJ45 socket connector.

[0020] According to another aspect of the present invention, a connector assembly is provided, comprising: the aforementioned plug connector assembly and a socket connector, wherein the socket connector is adapted to be inserted into an adapter of the plug connector assembly to mate with the plug connector in the adapter.

[0021] According to an exemplary embodiment of the present invention, a locking feature suitable for engaging with an elastic locking structure on the plug connector is formed on the inner wall of the shell of the socket connector; when the socket connector is inserted into the adapter and mated with the plug connector, the elastic locking structure is in an unlocked position separated from the locking feature, thereby allowing the socket connector to be directly pulled out of the adapter.

[0022] According to another aspect of the present invention, an adapter is provided for mating a plug connector and a receptacle connector. The plug connector is adapted to be assembled in the adapter and to mate with a receptacle connector inserted into the adapter. The plug connector includes a resilient locking structure adapted to move between a locked position engaged with the receptacle connector and an unlocked position separated from the receptacle connector. The adapter includes a pressing structure and a pulling structure. When the plug connector is assembled in the adapter, the pressing structure presses and holds the resilient locking structure in the unlocked position, while the pulling structure presses against the resilient locking structure to prevent the plug connector from being pulled out of the adapter.

[0023] In the aforementioned exemplary embodiments of the present invention, the adapter maintains the elastic locking structure on the plug connector in the unlocked position, thereby allowing the socket connector to be directly unplugged from the adapter without having to press the elastic locking structure to the unlocked position via the unlocking pressing portion on the plug connector, thereby enabling a quick plug-in and pull-out operation between the plug connector and the socket connector.

[0024] Other objects and advantages of the present invention will become apparent from the following description of the present invention with reference to the accompanying drawings, which will help to provide a comprehensive understanding of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 An exploded schematic diagram showing a connector assembly according to an exemplary embodiment of the present invention as viewed from the top;

[0026] Figure 2 An exploded schematic diagram showing a connector assembly according to an exemplary embodiment of the present invention as viewed from the bottom;

[0027] Figure 3 show Figure 1 An exploded schematic diagram of a plug connector assembly in the connector assembly shown;

[0028] Figure 4 show Figure 3 A schematic diagram of the plug connector assembly is shown, wherein the plug connector is assembled into the inner housing of the adapter;

[0029] Figure 5 show Figure 3 The assembly diagram of the plug connector assembly shown;

[0030] Figure 6 show Figure 5 a cross-sectional view of the plug connector assembly shown;

[0031] Figure 7 Display socket connector with Figure 5Schematic diagram of the plug connector assembly mating shown. DETAILED DESCRIPTION

[0032] The technical solution of the present invention will be further described in detail below through examples and in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals indicate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the overall inventive concept of the present invention and should not be construed as limiting the present invention.

[0033] In addition, in the following detailed description, for ease of explanation, numerous specific details are set forth to provide a comprehensive understanding of the disclosed embodiments. However, it is apparent that one or more embodiments can be practiced without these specific details. In other cases, well-known structures and devices are shown in diagrammatic form to simplify the accompanying drawings.

[0034] According to one general technical concept of the present invention, a plug connector assembly is provided, comprising: a plug connector including a resilient locking structure adapted to lock to a mating receptacle connector; and an adapter, wherein the plug connector is adapted to be assembled in the adapter and to mate with the receptacle connector inserted into the adapter. The resilient locking structure is adapted to move between a locked position engaged with the receptacle connector and an unlocked position separated from the receptacle connector. The adapter comprises a pressing structure and a pulling structure. When the plug connector is assembled in the adapter, the pressing structure presses and holds the resilient locking structure in the unlocked position, and the pulling structure supports the resilient locking structure to prevent the plug connector from being pulled out of the adapter.

[0035] According to another general technical concept of the present invention, a connector assembly is provided, comprising: the aforementioned plug connector assembly and a socket connector, wherein the socket connector is adapted to be inserted into an adapter of the plug connector assembly to mate with the plug connector in the adapter.

[0036] According to another general technical concept of the present invention, an adapter is provided for mating a plug connector and a receptacle connector. The plug connector is adapted to be assembled in the adapter and to mate with a receptacle connector inserted into the adapter. The plug connector includes a resilient locking structure adapted to move between a locked position engaged with the receptacle connector and an unlocked position separated from the receptacle connector. The adapter includes a pressing structure and a pulling structure. When the plug connector is assembled in the adapter, the pressing structure presses and holds the resilient locking structure in the unlocked position, while the pulling structure supports the resilient locking structure to prevent the plug connector from being pulled out of the adapter.

[0037] Figure 1 An exploded schematic diagram showing a connector assembly according to an exemplary embodiment of the present invention as viewed from the top; Figure 2 An exploded schematic diagram viewed from the bottom shows a connector assembly according to an exemplary embodiment of the present invention.

[0038] like Figure 1 and Figure 2 As shown, in the embodiment shown in the figure, the connector assembly mainly includes: a plug connector 10, a socket connector 20 and an adapter 30. The plug connector 10 is suitable for being assembled in the adapter 30 and is suitable for mating with the socket connector 20 inserted into the adapter 30 (see Figure 7 ).

[0039] Figure 3 show Figure 1 An exploded schematic diagram of the plug connector assembly in the connector assembly shown.

[0040] like Figures 1 to 3 As shown, in the illustrated embodiment, the plug connector 10 includes elastic locking structures 120, 121 adapted to be locked to the mating receptacle connector 20. The elastic locking structures 120, 121 are adapted to move between a locked position engaged with the receptacle connector 20 and an unlocked position separated from the receptacle connector 20.

[0041] Figure 4 show Figure 3 A schematic diagram of the plug connector assembly is shown, wherein the plug connector is assembled into the inner housing of the adapter; Figure 5 show Figure 3 The assembly diagram of the plug connector assembly shown; Figure 6 show Figure 5 A cross-sectional view of the plug connector assembly is shown.

[0042] like Figures 1 to 6 As shown, in an exemplary embodiment of the present invention, a plug connector assembly is disclosed. The plug connector assembly mainly includes a plug connector 10 and an adapter 30. The plug connector 10 is assembled in the adapter 30 and is suitable for mating with the receptacle connector 20 inserted into the adapter 30.

[0043] like Figures 1 to 6As shown, in the illustrated embodiment, the adapter 30 has pressing structures 313, 323 and a pulling structure 312. When the plug connector 10 is assembled in the adapter 30, the pressing structures 313, 323 press and hold the elastic locking structures 120, 121 in the unlocked position, and the pulling structure 312 presses against the elastic locking structures 120, 121 to prevent the plug connector 10 from being pulled backward from the adapter 30. Therefore, in the present application, when the plug connector 10 is assembled in the adapter 30, the plug connector 10 cannot be pulled out of the adapter 30 by pulling the cable 101 at the rear end of the plug connector 10.

[0044] like Figures 1 to 6 As shown, in the illustrated embodiment, the elastic locking structures 120, 121 include an elastic arm 120 provided on the housing 110 of the plug connector 10 and a pair of locking protrusions 121 located on both sides of the elastic arm 120. When the elastic arm 120 is in a released state (not pressed), the pair of locking protrusions 121 are in a locked position. When the elastic arm 120 is in a pressed state (pressed), the pair of locking protrusions 121 are in an unlocked position.

[0045] like Figures 1 to 6 As shown, in the illustrated embodiment, when the plug connector 10 is assembled in the adapter 30 , the elastic arm 120 is pressed down by the pressing structures 313 , 323 , and the pulling structure 312 presses against the pair of locking protrusions 121 .

[0046] like Figures 1 to 6 As shown, in the illustrated embodiment, the adapter 30 includes an inner housing 31 and an outer housing 32 . The plug connector 10 is adapted to be assembled in the inner housing 31 , and the inner housing 31 is adapted to be assembled in the outer housing 32 .

[0047] like Figures 1 to 6 As shown, in the illustrated embodiment, the pulling structure 312 includes a pair of support columns 312 formed on the inner shell 31, and the front ends of the pair of support columns 312 are suitable for supporting the pair of locking protrusions 121 to prevent the plug connector 10 from being pulled backward from the adapter 30.

[0048] like Figures 1 to 6 As shown, in the illustrated embodiment, the pressing structure 313, 323 includes a crossbeam 313 connected between a pair of support columns 312, and the crossbeam 313 is suitable for pressing the elastic arm 120 downward so that the pair of locking protrusions 121 are in the unlocked position.

[0049] like Figures 1 to 6 As shown, in the illustrated embodiment, the pressing structures 313, 323 further include a pressing portion 323 formed on the inner wall of the outer shell 32, and the pressing portion 323 is suitable for pressing the elastic arm 120 downward so that the pair of locking protrusions 121 are in the unlocked position.

[0050] Please note that in this application, the elastic arm 120 can be pressed by both the crossbeam 313 and the pressing portion 323, or can be pressed by only one of the crossbeam 313 and the pressing portion 323. Therefore, in this application, only the crossbeam 313 can be provided without the pressing portion 323, or only the pressing portion 323 can be provided without the crossbeam 313.

[0051] like Figures 1 to 6 As shown, in the illustrated embodiment, an elastic locking structure 314, 314a, 314b is respectively provided on the two outer side walls of the inner housing 31. When the inner housing 31 is assembled in the outer housing 32, the elastic locking structures 314, 314a, 314b engage with the inner wall of the outer housing 32, thereby locking the inner housing 31 to the outer housing 32.

[0052] like Figures 1 to 6 As shown, in the illustrated embodiment, the elastic locking structures 314, 314a, 314b include an elastic cantilever 314 and a locking protrusion 314a formed on the outer side of the elastic cantilever 314. Locking steps 322a suitable for engaging with the locking protrusions 314a are respectively formed on the two inner side walls of the outer shell 32. When the inner shell 31 is assembled into the outer shell 32, the locking protrusions 314a engage with the locking steps 322a, thereby locking the inner shell 31 to the outer shell 32.

[0053] like Figures 1 to 6 As shown, in the illustrated embodiment, when the inner shell 31 is assembled in the outer shell 32, the free end 314b of the elastic cantilever 314 is located outside the outer shell 32, so that the snap protrusion 314a can be separated from the locking step 322a by pressing the free end 314b.

[0054] like Figures 1 to 6 As shown, in the illustrated embodiment, the plug connector 10 further includes an unlocking pressing portion 130 , and the elastic locking structures 120 , 121 can be pressed to an unlocking position by pressing the unlocking pressing portion 130 .

[0055] like Figures 1 to 6 As shown, in the illustrated embodiment, the unlocking pressing portion 130 is an elastic pressing arm extending obliquely upward from the top of the plug connector 10; a first opening 311 and a second opening 321 are respectively formed on the top walls of the inner shell 31 and the outer shell 32 of the adapter 30, and the unlocking pressing portion 130 is exposed through the first opening 311 and the second opening 321.

[0056] like Figures 1 to 6As shown, in the illustrated embodiment, the bottom of the inner shell 31 is open, and the plug connector 10 is suitable for being installed into the inner shell 31 from the bottom opening of the inner shell 31; after being assembled into the inner shell 31, the plug connector 10 is inserted into the outer shell 32 together with the inner shell 31.

[0057] like Figures 1 to 6 As shown, in the embodiment shown in the figure, the plug connector is an RJ45 plug connector and the socket connector is an RJ45 socket connector. Since both the RJ45 plug connector and the RJ45 socket connector are standardized connectors, this application will not further describe their structures in detail.

[0058] Figure 7 Display socket connector with Figure 5 Schematic diagram of the plug connector assembly mating shown.

[0059] like Figure 1-2 and Figure 7 As shown, in another exemplary embodiment of the present invention, a connector assembly is also disclosed, comprising the aforementioned plug connector assembly and a receptacle connector 20. The receptacle connector 20 is adapted to be inserted into the adapter 30 of the plug connector assembly to mate with the plug connector 10 in the adapter 30.

[0060] like Figure 1-2 and Figure 7 As shown, in the illustrated embodiment, a locking feature 21 is formed on the inner wall of the housing of the receptacle connector 20 and is adapted to engage with the elastic locking structures 120, 121 on the plug connector 10. When the receptacle connector 20 is inserted into the adapter 30 and mated with the plug connector 10, the pressing structures 313, 323 in the adapter 30 press and hold the elastic locking structures 120, 121 in the unlocked position. Therefore, the elastic locking structures 120, 121 are in the unlocked position separated from the locking feature 21, thereby allowing the receptacle connector 20 to be directly removed from the adapter 30. In this way, a quick plug-in / plug-out operation between the plug connector 10 and the receptacle connector 20 can be achieved.

[0061] like Figures 1 to 7As shown, in another exemplary embodiment of the present invention, an adapter is disclosed for mating a plug connector 10 and a receptacle connector 20. The plug connector 10 is adapted to be assembled in an adapter 30 and to mate with the receptacle connector 20 inserted into the adapter 30. The plug connector 10 includes elastic locking structures 120, 121 adapted to move between a locked position engaged with the receptacle connector 20 and an unlocked position separated from the receptacle connector 20. The adapter 30 includes pressing structures 313, 323 and a pulling structure 312. When the plug connector 10 is assembled in the adapter 30, the pressing structures 313, 323 press and hold the elastic locking structures 120, 121 in the unlocked position, while the pulling structure 312 presses against the elastic locking structures 120, 121 to prevent the plug connector 10 from being pulled backward out of the adapter 30.

[0062] Those skilled in the art will appreciate that the embodiments described above are exemplary and that they may be improved upon. The structures described in the various embodiments may be freely combined without causing any conflict in structure or principle.

[0063] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplify the preferred embodiments of the present invention and should not be construed as limiting the present invention.

[0064] Although some embodiments of the present general inventive concept have been shown and described, it will be appreciated by those skilled in the art that changes may be made to these embodiments without departing from the principles and spirit of the present general inventive concept, the scope of which is defined in the claims and their equivalents.

[0065] It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. In addition, any element reference in the claims should not be construed as limiting the scope of the invention.

Claims

1. A plug connector assembly, comprising: A plug connector (10) comprising a resilient locking structure adapted to be locked to a mating socket connector (20); and An adapter (30), wherein the plug connector (10) is adapted to be assembled in the adapter (30) and adapted to mate with a socket connector (20) inserted into the adapter (30), wherein the adapter (30) comprises a separate inner housing (31) and an outer housing (32), the plug connector (10) is adapted to be assembled in the inner housing (31), and the inner housing (31) is adapted to be assembled in the outer housing (32), The elastic locking structure comprises an elastic arm (120) provided on a housing (110) of the plug connector (10) and a pair of locking protrusions (121) located on both sides of the elastic arm (120), and the elastic locking structure is adapted to move between a locking position engaged with the socket connector (20) and an unlocking position separated from the socket connector (20). The adapter (30) has a pressing structure and a pulling structure. When the plug connector (10) is assembled in the adapter (30), the pressing structure presses and holds the elastic locking structure in the unlocked position, and the pulling structure presses against the elastic locking structure to prevent the plug connector (10) from being pulled out of the adapter (30). A locking feature (21) is formed on the inner wall of the housing of the socket connector (20) and is suitable for engaging with the elastic locking structure on the plug connector (10); When the plug connector (10) and the socket connector (20) are mated and connected inside the adapter (30), the elastic locking structure is in an unlocked position separated from the locking feature (21) of the socket connector (20), thereby allowing the socket connector (20) to be directly pulled out of the adapter (30).

2. The plug connector assembly according to claim 1, wherein: When the elastic arm (120) is in a released state without being pressed, the pair of locking protrusions (121) are in the locking position; When the elastic arm (120) is in a pressed state, the pair of locking protrusions (121) are in the unlocked position.

3. The plug connector assembly according to claim 2, wherein: When the plug connector (10) is assembled in the adapter (30), the elastic arm (120) is pressed down by the pressing structure, and the pulling structure presses against the pair of locking protrusions (121).

4. The plug connector assembly according to claim 3, wherein: The pull-stop structure comprises a pair of support columns (312) formed on the inner housing (31), and the front ends of the pair of support columns (312) are suitable for supporting the pair of locking protrusions (121) to prevent the plug connector (10) from being pulled out of the adapter (30).

5. The plug connector assembly according to claim 4, wherein: The pressing structure comprises a crossbeam (313) connected between the pair of support columns (312), and the crossbeam (313) is suitable for pressing the elastic arm (120) downward so that the pair of locking protrusions (121) are in the unlocking position.

6. The plug connector assembly according to claim 5, wherein: The pressing structure further comprises a pressing portion (323) formed on the inner wall of the outer shell (32), wherein the pressing portion (323) is adapted to press the elastic arm (120) downward so that the pair of locking protrusions (121) are in the unlocking position.

7. The plug connector assembly according to claim 1, wherein: The pressing structure comprises a pressing portion (323) formed on the inner wall of the outer shell (32), and the pressing portion (323) is suitable for pressing the elastic arm (120) downward so that the pair of locking protrusions (121) are in the unlocking position.

8. The plug connector assembly according to claim 1, wherein: An elastic locking structure is respectively provided on the two outer side walls of the inner shell (31); When the inner shell (31) is assembled in the outer shell (32), the elastic locking structure engages with the inner wall of the outer shell (32), thereby locking the inner shell (31) to the outer shell (32).

9. The plug connector assembly according to claim 8, wherein: The elastic locking structure comprises an elastic cantilever (314) and a locking protrusion (314a) formed on the outer side of the elastic cantilever (314); Locking steps (322a) suitable for engaging with the snap protrusions (314a) are respectively formed on the two inner side walls of the outer shell (32); When the inner housing (31) is assembled in the outer housing (32), the snap-fit ​​protrusion (314a) engages with the locking step (322a), thereby locking the inner housing (31) to the outer housing (32).

10. The plug connector assembly according to claim 9, wherein: When the inner shell (31) is assembled in the outer shell (32), the free end (314b) of the elastic cantilever (314) is located outside the outer shell (32), so that the snap protrusion (314a) can be separated from the locking step (322a) by pressing the free end (314b).

11. The plug connector assembly according to claim 1, wherein: The plug connector (10) further comprises an unlocking pressing portion (130), and the elastic locking structure can be pressed to the unlocking position by pressing the unlocking pressing portion (130).

12. The plug connector assembly according to claim 11, wherein: The unlocking pressing portion (130) is an elastic pressing arm extending obliquely upward from the top of the plug connector (10); A first opening (311) and a second opening (321) are respectively formed on the top walls of the inner shell (31) and the outer shell (32) of the adapter (30), and the unlocking pressing portion (130) is exposed to the outside via the first opening (311) and the second opening (321).

13. The plug connector assembly according to claim 1, wherein: The bottom of the inner housing (31) is open, and the plug connector (10) is suitable for being installed in the inner housing (31) from the bottom opening of the inner housing (31); After being assembled into the inner housing (31), the plug connector (10) is inserted into the outer housing (32) together with the inner housing (31).

14. The plug connector assembly according to claim 1, wherein: The plug connector is an RJ45 plug connector, and the socket connector is an RJ45 socket connector.

15. A connector assembly, characterized in that: include: The plug connector assembly according to any one of claims 1 to 14; and socket connector (20), The socket connector (20) is suitable for being inserted into the adapter (30) of the plug connector assembly to mate with the plug connector (10) in the adapter (30).

16. An adapter for mating a plug connector (10) and a socket connector (20), characterized in that: The plug connector (10) is adapted to be assembled in the adapter (30) and to be mated with the socket connector (20) inserted into the adapter (30), wherein the adapter (30) comprises a separate inner housing (31) and an outer housing (32), the plug connector (10) is adapted to be assembled in the inner housing (31), and the inner housing (31) is adapted to be assembled in the outer housing (32). The plug connector (10) includes a resilient locking structure adapted to move between a locked position engaged with the socket connector (20) and an unlocked position separated from the socket connector (20), The adapter (30) has a pressing structure and a pulling structure. When the plug connector (10) is assembled in the adapter (30), the pressing structure presses and holds the elastic locking structure in the unlocked position, and the pulling structure presses against the elastic locking structure to prevent the plug connector (10) from being pulled out of the adapter (30). A locking feature (21) is formed on the inner wall of the housing of the socket connector (20) and is suitable for engaging with the elastic locking structure on the plug connector (10); When the plug connector (10) and the socket connector (20) are mated and connected inside the adapter (30), the elastic locking structure is in an unlocked position separated from the locking feature (21) of the socket connector (20), thereby allowing the socket connector (20) to be directly pulled out of the adapter (30).

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