A cable joint protection device

Abstract

The application discloses a cable joint protection device, and relates to the technical field of power connection, which comprises a first protection shell, a second protection shell and a connecting assembly. The first protection shell is provided with a first avoiding hole, a first fixing groove and a second fixing groove; the second protection shell is provided with a second avoiding hole, a third fixing groove and a fourth fixing groove, the first fixing groove and the third fixing groove enclose a first installation hole for the first cable to pass through, the second fixing groove and the fourth fixing groove enclose a second installation hole for the second cable to pass through, the first joint and the second joint are arranged at the first avoiding hole and the second avoiding hole; the connecting assembly connects the first protection shell and the second protection shell, and makes the first protection shell and the second protection shell tightly fix the first cable and the second cable. The application can effectively reduce the stress at the first joint and the second joint by directly connecting the first cable and the second cable, thereby ensuring the reliability of the connection of the cable at the cable joint position.

Description

Technical Field

[0001] This application relates to the field of power connection technology, and more specifically, to a cable connector protection device. Background Technology

[0002] With the increase in large-scale photovoltaic power plants, especially floating photovoltaic power plants, the application of photovoltaic modules in aquatic environments is becoming more and more common. Unlike land environments, the aquatic environment is unique, and the MC4 (Multi-Contact 4) connectors of photovoltaic modules are constantly affected by water, waves, and wind. This directly leads to the cable joints of the MC4 connectors being prone to loosening or even breakage, which in turn affects the power generation efficiency and operational safety of the entire photovoltaic power plant.

[0003] Therefore, ensuring the reliability of cable connections at cable joints has become a technical problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0004] In view of this, the purpose of this application is to provide a cable connector protection device to ensure the reliability of cable connection at the cable connector.

[0005] A cable connector protection device for protecting a first connector and a second connector of a plug-in connection, wherein the first connector is connected to the end of a first cable and the second connector is connected to the end of a second cable, comprising:

[0006] A first protective housing, wherein the first protective housing is provided with a first clearance hole, a first fixing groove and a second fixing groove, wherein the first fixing groove and the second fixing groove are respectively provided on both sides of the first clearance hole along a first direction;

[0007] The second protective housing has a second clearance hole, a third fixing groove, and a fourth fixing groove. The third fixing groove and the fourth fixing groove are respectively located on both sides of the second clearance hole along the first direction. The first fixing groove and the third fixing groove are arranged opposite to each other and form a first mounting hole for the first cable to pass through. The second fixing groove and the fourth fixing groove are arranged opposite to each other and form a second mounting hole for the second cable to pass through. The first clearance hole and the second clearance hole are arranged opposite to each other, and the first connector and the second connector are used to be installed at the first clearance hole and the second clearance hole.

[0008] A connecting component connects the first protective housing and the second protective housing, and causes the first protective housing and the second protective housing to press and fix the first cable and the second cable.

[0009] Optionally, the cable connector protection device described above further includes a first elastic element and a second elastic element. The first elastic element is disposed in the first mounting hole and is used to be sleeved on the outside of the first cable. The second elastic element is disposed in the second mounting hole and is used to be sleeved on the outside of the second cable.

[0010] Optionally, in the above-mentioned cable connector protection device, the first elastic element is cylindrical, and a first installation notch is provided axially through the side wall of the first elastic element.

[0011] The second elastic element is cylindrical, and a second mounting notch is provided axially through the side wall of the second elastic element.

[0012] Optionally, in the above-mentioned cable connector protection device, the first protective housing is provided with a plurality of first connection holes, and two of the first connection holes are respectively arranged on both sides of the first fixing groove along the second direction, and two of the first connection holes are respectively arranged on both sides of the second fixing groove along the second direction.

[0013] The second protective housing has a plurality of second connecting holes that correspond one-to-one with the first connecting holes, and two second connecting holes are respectively located on both sides of the third fixing groove along the second direction, and two second connecting holes are respectively located on both sides of the fourth fixing groove along the second direction.

[0014] The connection assembly includes a plurality of first connectors corresponding one-to-one with the first connection holes, and each first connector passes through one of the first connection holes and one of the second connection holes.

[0015] Optionally, in the above-described cable connector protection device, the connection assembly includes a hinge and a second connector, wherein the first side of the first protective housing and the first side of the second protective housing are hinged together by the hinge, and the second side of the first protective housing and the second side of the second protective housing are connected by the second connector.

[0016] Optionally, in the above-mentioned cable connector protection device, the first protective housing is provided with two first snap-fit ​​protrusions, the two first snap-fit ​​protrusions are respectively provided on both sides of the first clearance hole along the second direction, and the two ends of the first snap-fit ​​protrusions extend to positions corresponding to the first fixing groove and the second fixing groove respectively.

[0017] The second protective housing is provided with two second snap-fit ​​protrusions, which are respectively provided on both sides of the second clearance hole along the second direction, and the two ends of the second snap-fit ​​protrusions extend to the positions corresponding to the third fixing groove and the fourth fixing groove, respectively.

[0018] The connecting component includes a first snap-fit ​​member and a second snap-fit ​​member. The first snap-fit ​​member has a first slot, and the second snap-fit ​​member has a second slot. Two first snap-fit ​​protrusions are respectively embedded in the first slot and the second slot, and two second snap-fit ​​protrusions are respectively embedded in the first slot and the second slot.

[0019] Optionally, in the above-mentioned cable connector protection device, both ends of the first slot are through, and the first slot slides in cooperation with the first locking protrusion and the second locking protrusion.

[0020] The two ends of the second slot are connected, and the second slot slides in conjunction with the first and second locking protrusions.

[0021] Optionally, in the above-mentioned cable connector protection device, the first protective housing is a flat plate structure, and protrudes to the side away from the second protective housing to form the first fixing groove and the second fixing groove;

[0022] The second protective housing is a flat plate structure that fits into the first protective housing, and protrudes to the side away from the first protective housing to form the third fixing groove and the fourth fixing groove.

[0023] Optionally, the cable connector protection device described above further includes a first cover and a second cover. The first cover is disposed at the first clearance hole, and the second cover is disposed at the second clearance hole. The first cover and the second cover are arranged opposite to each other and form a protective space. The first connector and the second connector are used to be disposed within the protective space.

[0024] Optionally, in the above-mentioned cable connector protection device, the first protective housing and the second protective housing are made of metal.

[0025] The cable connector protection device provided in this application is used to protect a first connector and a second connector of a plug-in connection. The first connector is connected to the end of a first cable, and the second connector is connected to the end of a second cable. The cable connector protection device includes a first protective housing, a second protective housing, and a connecting assembly. The first protective housing is provided with a first clearance hole, a first fixing groove, and a second fixing groove, which are respectively located on both sides of the first clearance hole along a first direction. The second protective housing is provided with a second clearance hole, a third fixing groove, and a fourth fixing groove, which are respectively located on both sides of the second clearance hole along the first direction. The first fixing groove and the third fixing groove are arranged opposite to each other and form a first mounting hole through which the first cable can pass. The second fixing groove and the fourth fixing groove are arranged opposite to each other and form a second mounting hole through which the second cable can pass. The first clearance hole and the second clearance hole are arranged opposite to each other, and the first connector and the second connector are used to be located at the first clearance hole and the second clearance hole to avoid the first protective housing and the second protective housing from affecting the connection between the first connector and the second connector. The connecting assembly is used to connect the first protective housing and the second protective housing and to press and fix the first cable and the second cable by the first protective housing and the second protective housing.

[0026] Compared to related technologies, the cable connector protection device provided in this application, by directly connecting the first and second cables, can effectively reduce the stress at the first and second connectors, thereby ensuring the reliability of the cable connection at the cable connector location. The cable connector protection device provided in this application can be used to provide robust protection for the connector joints of MC connectors in floating photovoltaic modules, effectively preventing fatigue fracture due to long-term exposure to alternating loads in complex environments such as wind and waves. This significantly extends the service life of the MC connector joints, reduces the replacement frequency, and thus effectively reduces the long-term operation and maintenance costs of the photovoltaic system. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments or related technologies of this application, the accompanying drawings used in the description of the embodiments or related technologies will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 This is a schematic diagram of the structure of the first cable connector protection device disclosed in the embodiments of this application. Figure 1 ;

[0029] Figure 2 This is a schematic diagram of the structure of the first cable connector protection device disclosed in the embodiments of this application. Figure 2 ;

[0030] Figure 3 This is a schematic diagram of the structure of the first cable connector protection device disclosed in the embodiments of this application. Figure 3 ;

[0031] Figure 4 This is a schematic diagram of the structure of the first cable connector protection device disclosed in the embodiments of this application. Figure 4 ;

[0032] Figure 5 This is a schematic diagram of the structure of the first protective shell disclosed in the embodiments of this application. Figure 1 ;

[0033] Figure 6 This is a schematic diagram of the structure of the first protective shell disclosed in the embodiments of this application. Figure 2 ;

[0034] Figure 7 This is a schematic diagram of the structure of the first protective shell disclosed in the embodiments of this application. Figure 3 ;

[0035] Figure 8 This is a schematic diagram of the structure of the second type of cable connector protection device disclosed in the embodiments of this application;

[0036] Figure 9 This is a schematic diagram of the structure of the third cable connector protection device disclosed in the embodiments of this application;

[0037] Figure 10 This is a schematic diagram of the structure of the first card connector disclosed in the embodiments of this application;

[0038] Figure 11 This is a schematic diagram of the structure of the first elastic element disclosed in the embodiments of this application.

[0039] Wherein, 100 is the first protective shell, 101 is the first clearance hole, 102 is the first fixing groove, 103 is the second fixing groove, 104 is the first connecting hole, and 110 is the first snap-fit ​​protrusion;

[0040] 200 is the second protective shell, 201 is the third fixing groove, 202 is the first mounting hole, and 210 is the second snap-fit ​​protrusion;

[0041] 300 is a connecting component, 310 is a first connecting member, 320 is a hinge member, 330 is a first snap-fit ​​member, and 331 is a first slot;

[0042] 400 is the first elastic element, 401 is the first mounting notch, and 410 is the second elastic element;

[0043] 500 is the first cable, 501 is the first connector, 510 is the second cable, and 511 is the second connector. Detailed Implementation

[0044] The core of this application is to disclose a cable connector protection device to ensure the reliability of cable connection at the cable connector.

[0045] Hereinafter, embodiments will be described with reference to the accompanying drawings. Furthermore, the embodiments shown below do not limit the scope of the utility model as described in the claims. Additionally, the complete contents of the structures represented in the embodiments below are not limited to those necessary for the solution of the utility model as described in the claims. It should be noted that, for ease of description, only the parts relevant to the utility model are shown in the drawings. Unless otherwise specified, the embodiments and features described in this application can be combined with each other.

[0046] Combination Figures 1-11 The cable connector protection device disclosed in this application is used to protect the first connector 501 and the second connector 511 of the plug-in connection. The first connector 501 is connected to the end of the first cable 500, and the second connector 511 is connected to the end of the second cable 510. The cable connector protection device includes a first protective housing 100, a second protective housing 200, and a connecting assembly 300. The first protective housing 100 is provided with a first clearance hole 101, a first fixing groove 102, and a second fixing groove 103, which are respectively provided on both sides of the first clearance hole 101 along a first direction. The second protective housing 200 is provided with a second clearance hole, a third fixing groove 201, and a fourth fixing groove, which are respectively provided on both sides of the second clearance hole along a first direction. The first fixing groove 102 and the third fixing groove 201 are arranged opposite to each other and form a first mounting hole 202 through which the first cable 500 can pass. The fixed slots are arranged opposite each other to form a second mounting hole through which the second cable 510 can pass. The first clearance hole 101 and the second clearance hole are arranged opposite each other, and the first connector 501 and the second connector 511 are used to be set at the first clearance hole 101 and the second clearance hole to avoid the first protective housing 100 and the second protective housing 200 from affecting the connection of the first connector 501 and the second connector 511. The connecting assembly 300 is used to connect the first protective housing 100 and the second protective housing 200, and to make the first protective housing 100 and the second protective housing 200 press and fix the first cable 500 and the second cable 510.

[0047] During assembly, after the first connector 501 and the second connector 511 are inserted and connected, the first protective housing 100 and the second protective housing 200 are connected through the connecting assembly 300. The first cable 500 is fixed in the first mounting hole 202, and the second cable 510 is fixed in the second mounting hole. The first connector 501 and the second connector 511 are located at the first clearance hole 101 and the second clearance hole, thus completing the installation. The first cable 500 and the second cable 510 can be connected and transmit force through the first protective housing 100 and the second protective housing 200, thereby reducing the stress at the connection points of the first connector 501 and the first cable 500, the second connector 511 and the second cable 510, and the connection points of the first connector 501 and the second connector 511, and thus effectively preventing the first connector 501 and the second connector 511 from loosening and breaking.

[0048] Compared to existing technologies, the cable connector protection device disclosed in this application, by directly connecting the first cable 500 and the second cable 510, can effectively reduce the stress at the first connector 501 and the second connector 511, thereby ensuring the reliability of the cable connection at the cable connector location. The cable connector protection device disclosed in this application can provide robust protection for the connector joint of the MC4 connector of a floating photovoltaic module, effectively preventing fatigue fracture due to long-term exposure to alternating loads in complex environments such as wind and waves. This significantly extends the service life of the MC4 connector joint, reduces the replacement frequency, and thus effectively reduces the long-term operation and maintenance costs of the photovoltaic system.

[0049] Furthermore, combined Figure 1 and Figure 2 To prevent the cable connector protection device from abrading the first cable 500 and the second cable 510, the cable connector protection device further includes a first elastic element 400 disposed between the inner wall of the first mounting hole 202 and the first cable 500, and a second elastic element 410 disposed between the inner wall of the second mounting hole and the second cable 510. Specifically, the first elastic element 400 is disposed inside the first mounting hole 202 and is used to sleeve the first cable 500, and the second elastic element 410 is disposed inside the second mounting hole and is used to sleeve the second cable 510.

[0050] Combination Figure 11The first elastic element 400 is cylindrical and adapted to the first cable 500. A first mounting notch 401 is axially extending through the side wall of the first elastic element 400, allowing the first cable 500 to be installed into the first elastic element 400 through the first mounting notch 401. The second elastic element 410 is cylindrical and adapted to the second cable 510. A second mounting notch is axially extending through the side wall of the second elastic element 410, allowing the second cable 510 to be installed into the second elastic element 410 through the second mounting notch. During assembly, after connecting the first connector 501 and the second connector 511, the first elastic element 400 and the second elastic element 410 are respectively installed onto the first cable 500 and the second cable 510. Finally, the first protective housing 100 and the second protective housing 200 are connected via the connecting assembly 300 to complete the installation. The structure is simple and assembly is convenient.

[0051] In some embodiments disclosed in this application, combined with Figures 3-7 The first protective housing 100 has a plurality of first connecting holes 104, and two first connecting holes 104 are respectively located on both sides of the first fixing groove 102 along the second direction, the second direction being perpendicular to the first direction. Two first connecting holes are respectively located on both sides of the second fixing groove 103 along the second direction. The second protective housing 200 has a plurality of second connecting holes corresponding one-to-one with the first connecting holes 104, and two second connecting holes are respectively located on both sides of the third fixing groove 201 along the second direction. Two second connecting holes are respectively located on both sides of the fourth fixing groove along the second direction. The connecting assembly 300 includes a plurality of first connecting members 310 corresponding one-to-one with the first connecting holes 104. Each first connecting member 310 passes through one first connecting hole 104 and one second connecting hole, thereby realizing the connection between the first protective housing 100 and the second protective housing 200. The first connector 310 may include a bolt and a nut. The bolt passes through the first connecting hole 104 and the second connecting hole and is then tightened by the nut. The structure is simple and easy to assemble. It can reliably fix the first protective housing 100 and the second protective housing 200 together, thereby pressing and fixing the first cable 500 and the second cable 510.

[0052] In other embodiments disclosed in this application, combined with Figure 8 The connecting assembly 300 includes a hinge 320 and a second connector. The first side of the first protective housing 100 and the first side of the second protective housing 200 are hinged together by the hinge 320, allowing them to rotate relative to each other and open / close. The second side of the first protective housing 100 and the second side of the second protective housing 200 are connected by the second connector. The second connector may include bolts and nuts, resulting in a simple structure and convenient assembly. The combined use of the hinge 320 and the second connector improves assembly efficiency.

[0053] In some other embodiments disclosed in this application, combined with Figure 9 The first protective housing 100 is provided with two first snap-fit ​​protrusions 110, which are respectively located on both sides of the first clearance hole 101 along the second direction, and the two ends of the first snap-fit ​​protrusions 110 extend to positions corresponding to the first fixing groove 102 and the second fixing groove 103, respectively; the second protective housing 200 is provided with two second snap-fit ​​protrusions 210, which are respectively located on both sides of the second clearance hole along the second direction, and the two ends of the second snap-fit ​​protrusions 210 extend to positions corresponding to the third fixing groove 201 and the fourth fixing groove, respectively; the connecting assembly 300 includes a first snap-fit ​​member 330 and a second snap-fit ​​member, which are combined with Figure 10 The first snap-fit ​​component 330 has a first snap-fit ​​groove 331, and the second snap-fit ​​component has a second snap-fit ​​groove. Two first snap-fit ​​protrusions 110 are respectively embedded in the first snap-fit ​​groove 331 and the second snap-fit ​​groove, and two second snap-fit ​​protrusions 210 are respectively embedded in the first snap-fit ​​groove 331 and the second snap-fit ​​groove. In this embodiment, the first protective shell 100 and the second protective shell 200 are snap-fit ​​connected by the first snap-fit ​​component 330 and the second snap-fit ​​component. The structure is simple and the assembly is convenient.

[0054] Furthermore, for ease of assembly, the two ends of the first slot 331 are through and can slide with the first snap-fit ​​protrusion 110 and the second snap-fit ​​protrusion 210; the two ends of the second slot are through and can slide with the first snap-fit ​​protrusion 110 and the second snap-fit ​​protrusion 210, so that the first snap-fit ​​member 330 and the second snap-fit ​​member can be assembled with the first protective housing 100 and the second protective housing 200 by sliding insertion.

[0055] Combination Figure 5 and Figure 6 The first protective shell 100 is a flat plate structure, and protrudes to the side away from the second protective shell 200 to form a first fixing groove 102 and a second fixing groove 103. A first clearance hole 101 is formed through the first protective shell 100. The second protective shell 200 is a flat plate structure that fits against the first protective shell 100, and protrudes to the side away from the first protective shell 100 to form a third fixing groove 201 and a fourth fixing groove. A second clearance hole is formed through the second protective shell 200. The structures of the first protective shell 100 and the second protective shell 200 are simple and can be produced by stamping, injection molding, etc. The first protective shell 100 and the second protective shell 200 can be made of metal materials such as aluminum alloy and stainless steel, or they can be made of materials with certain structural strength such as engineering plastics and composite materials. This application embodiment does not limit this.

[0056] In some embodiments, the cable connector protection device further includes a first cover and a second cover. The first cover is disposed at the first clearance hole 101, and the second cover is disposed at the second clearance hole. The first cover and the second cover are arranged opposite to each other and form a protective space. The first connector 501 and the second connector 511 are disposed in the protective space so that the first cover and the second cover can provide a certain protective effect for the first connector 501 and the second connector 511. The first cover and the first protective housing 100 can be an integral structure or a separate structure, and the second cover and the second protective housing 200 can be an integral structure or a separate structure.

[0057] The terms "first" and "second," etc., used in the specification and claims of this application are used to distinguish different objects, not to describe a specific order, and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or device that includes a series of steps or units may include steps or units not listed, but rather steps or units not listed. Additionally, in the description of embodiments in this application, "a plurality of" means two or more.

[0058] The above description of the disclosed embodiments enables those skilled in the art to make or use this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Specific technical means in some embodiments may be incorporated, in whole or in part, into another embodiment unless explicitly excluded by another embodiment. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A cable connector protection device for protecting a first connector (501) and a second connector (511) of a plug-in connection, wherein the first connector (501) is connected to the end of a first cable (500), and the second connector (511) is connected to the end of a second cable (510), characterized in that, include: A first protective housing (100) is provided with a first clearance hole (101), a first fixing groove (102) and a second fixing groove (103). The first fixing groove (102) and the second fixing groove (103) are respectively provided on both sides of the first clearance hole (101) along the first direction. The second protective housing (200) is provided with a second clearance hole, a third fixing groove (201) and a fourth fixing groove. The third fixing groove (201) and the fourth fixing groove are respectively provided on both sides of the second clearance hole along the first direction. The first fixing groove (102) and the third fixing groove (201) are arranged opposite to each other and form a first mounting hole (202) for the first cable (500) to pass through. The second fixing groove and the fourth fixing groove are arranged opposite to each other and form a second mounting hole for the second cable (510) to pass through. The first clearance hole (101) and the second clearance hole are arranged opposite to each other. The first connector (501) and the second connector (511) are used to be provided at the first clearance hole (101) and the second clearance hole. A connecting component (300) connects the first protective housing (100) and the second protective housing (200) and causes the first protective housing (100) and the second protective housing (200) to press and fix the first cable (500) and the second cable (510).

2. The cable connector protection device as described in claim 1, characterized in that, It also includes a first elastic element (400) and a second elastic element (410). The first elastic element (400) is disposed in the first mounting hole (202) and is used to be sleeved on the outside of the first cable (500). The second elastic element (410) is disposed in the second mounting hole and is used to be sleeved on the outside of the second cable (510).

3. The cable connector protection device as described in claim 2, characterized in that, The first elastic element (400) is cylindrical, and a first installation notch (401) is provided axially through the side wall of the first elastic element (400). The second elastic member (410) is cylindrical, and a second mounting notch is provided axially through the side wall of the second elastic member (410).

4. The cable connector protection device as described in claim 1, characterized in that, The first protective housing (100) is provided with a plurality of first connecting holes (104), and two of the first connecting holes (104) are respectively provided on both sides of the first fixing groove (102) along the second direction, and two of the first connecting holes (104) are respectively provided on both sides of the second fixing groove (103) along the second direction; The second protective housing (200) has a plurality of second connecting holes that correspond one-to-one with the first connecting hole (104), and two second connecting holes are respectively located on both sides of the third fixing groove (201) along the second direction, and two second connecting holes are respectively located on both sides of the fourth fixing groove along the second direction. The connection assembly (300) includes a plurality of first connectors (310) corresponding one-to-one with the first connection hole (104), and each first connector (310) passes through a first connection hole (104) and a second connection hole.

5. The cable connector protection device as described in claim 1, characterized in that, The connecting assembly (300) includes a hinge (320) and a second connector. The first side of the first protective housing (100) and the first side of the second protective housing (200) are hinged by the hinge (320), and the second side of the first protective housing (100) and the second side of the second protective housing (200) are connected by the second connector.

6. The cable connector protection device as described in claim 1, characterized in that, The first protective housing (100) is provided with two first snap-fit ​​protrusions (110), the two first snap-fit ​​protrusions (110) are respectively provided on both sides of the first clearance hole (101) along the second direction, and the two ends of the first snap-fit ​​protrusions (110) extend to the positions corresponding to the first fixing groove (102) and the second fixing groove (103); The second protective housing (200) is provided with two second snap-fit ​​protrusions (210), which are respectively provided on both sides of the second clearance hole along the second direction, and the two ends of the second snap-fit ​​protrusions (210) extend to the positions corresponding to the third fixing groove (201) and the fourth fixing groove respectively; The connecting component (300) includes a first snap-fit ​​member (330) and a second snap-fit ​​member. The first snap-fit ​​member (330) has a first slot (331), and the second snap-fit ​​member has a second slot. Two first snap-fit ​​protrusions (110) are respectively embedded in the first slot (331) and the second slot, and two second snap-fit ​​protrusions (210) are respectively embedded in the first slot (331) and the second slot.

7. The cable connector protection device as described in claim 6, characterized in that, The first slot (331) is open at both ends, and the first slot (331) slides in cooperation with the first snap-fit ​​protrusion (110) and the second snap-fit ​​protrusion (210); The two ends of the second slot are through, and the second slot slides in conjunction with the first snap-fit ​​protrusion (110) and the second snap-fit ​​protrusion (210).

8. The cable connector protection device as described in claim 1, characterized in that, The first protective housing (100) is a flat plate structure, and protrudes to the side away from the second protective housing (200) to form the first fixing groove (102) and the second fixing groove (103). The second protective housing (200) is a flat plate structure that fits into the first protective housing (100), and protrudes to the side away from the first protective housing (100) to form the third fixing groove (201) and the fourth fixing groove.

9. The cable connector protection device as described in claim 1, characterized in that, It also includes a first cover and a second cover, the first cover is disposed at the first clearance hole (101), the second cover is disposed at the second clearance hole, and the first cover and the second cover are arranged opposite to each other to form a protective space, and the first connector (501) and the second connector (511) are used to be disposed in the protective space.

10. The cable connector protection device as described in claim 1, characterized in that, The first protective shell (100) and the second protective shell (200) are made of metal.

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