An automatic dustproof multi-core connector and method

Abstract

The application discloses an automatic dustproof multi-core connector and method, and belongs to the technical field of optical fiber connection; the automatic dustproof multi-core connector comprises a first connector end (100), the first connector end (100) comprises a first dustproof assembly (116), a first inner lining assembly (117) connected with the first dustproof assembly (116), and a first fixing assembly connected with the first inner lining assembly (117); the automatic dustproof multi-core connector further comprises a second connector end (200), the second connector end (200) comprises a second dustproof assembly (214) and a second fixing assembly connected with the second dustproof assembly (214); and the first connector end (100) is threadedly connected with the second connector end (200). The technical scheme has the beneficial effects that the application effectively reduces the time during which the optical fiber core is exposed to air, achieves good dustproof effect, and reduces optical cable loss.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of optical fiber connection, in particular to an automatic dustproof multi-core connector and method. BACKGROUND

[0002] With the rapid development of the communication industry, signal connectors such as optical connectors and electrical connectors have been widely used. As standard connectors, signal connectors such as optical connectors and electrical connectors have the characteristics of small size and easy operation, and their use amount is considerable. However, when used in harsh environments and frequently plugged and unplugged, the end surface of the connector connection is easily contaminated, resulting in large optical loss or even no light.

[0003] In the prior art, MPO (Multi-fiber Push On, optical fiber jumper) basically needs to be manually installed with a dust cap. When the worker forgets, the end surface is easily contaminated and easily scrapped, resulting in scrap of the optical cable. SUMMARY

[0004] The purpose of the present application is to provide an automatic dustproof multi-core connector to solve the above technical problems.

[0005] The purpose of the present application is also to provide a method for connecting the multi-core connector to solve the above technical problems.

[0006] An automatic dustproof multi-core connector comprises:

[0007] A first connector end (100) comprises:

[0008] A first dustproof assembly (116);

[0009] A first inner lining assembly (117) connected with the first dustproof assembly (116);

[0010] A first fixing assembly connected with the first inner lining assembly (117);

[0011] A second connector end (200) comprises:

[0012] A second dustproof assembly (214);

[0013] A second fixing assembly connected with the second dustproof assembly (214);

[0014] The first connector end (100) is threadedly connected with the second connector end (200).

[0015] Preferably, the first dustproof assembly (116) comprises:

[0016] The first dustproof cap (101) is provided with a first convex point (101b) and a first rotating shaft (101a);

[0017] The first dustproof cap drive (102) is provided with a first type slot (102a) and a first recess (102c), and the first dustproof cap (101) is installed on the first dustproof cap drive (102), and the first convex point (101b) falls into the first type slot (102a);

[0018] The first dustproof spring (103);

[0019] The first dustproof cap (101), the first dustproof cap drive (102) and the first dustproof spring (103) are installed in the first locking sliding block (104), and the first locking sliding block (104) is provided with a first rotating shaft slot (104a), a first elastic buckle (104b) and a first convex block (104c), the first rotating shaft slot (104a) is located on the inner side of the first locking sliding block (104), the first elastic buckle (104b) is located on the lower end of the first locking sliding block (104), and the first convex block (104c) is located on the surface of the first locking sliding block (104), the first rotating shaft (101a) falls into the first rotating shaft slot (104a), and the first recess (102c) and the elastic buckle (104b) cooperate to position the first dustproof spring (103).

[0020] Preferably, the second dustproof assembly (214) comprises:

[0021] The second dustproof cap (201) is provided with a second convex point (201b) and a second rotating shaft (201a);

[0022] The second dustproof cap drive (202) is provided with a second type slot (202a) and a second recess (202c), and the second dustproof cap (201) is installed on the second dustproof cap drive (202), and the second convex point (201b) falls into the second type slot (202a);

[0023] The second dustproof spring (203);

[0024] A shell (204) in which the second dustproof cap (201), the second dustproof cap drive (202), and the second dustproof spring (203) are installed, the shell (204) being provided with a second rotating shaft slot (204a) and a second elastic buckle (204b), the second rotating shaft (201a) being slid into the second rotating shaft slot (204a), and the second groove (202c) and the second elastic buckle (204b) cooperating to position the second dustproof spring (203).

[0025] Preferably, the first inner lining assembly (117) comprises:

[0026] A first locking spring (105);

[0027] A first ferrule inner lining (106) sleeved on the first locking spring (105), the first ferrule inner lining (106) being provided with a first elastic wall (106a), the first elastic wall (106a) and the first protrusion (104c) of the first locking sliding block (104) cooperating.

[0028] Preferably, the first fixing assembly comprises:

[0029] A first optical cable (115), the first optical cable (115) comprising a first aramid fiber (115b) and a first optical fiber (115a);

[0030] The first optical fiber (115a) sequentially penetrating into a first crimping tail handle (111), a first anti-rotation block (110), a first pressing block (109), and a first ferrule spring (108);

[0031] The first optical cable (115) being sequentially sleeved with a first aluminum cup (112), a first tail sheath (113), and a first locking shell (114);

[0032] The first aramid fiber (115b) being fixedly arranged between the first crimping tail handle (111) and the first aluminum cup (112).

[0033] Preferably, the first fixing assembly further comprises:

[0034] A first ferrule (107) connected to the first optical fiber (115a);

[0035] The first ferrule (107), the first ferrule spring (108), the first pressing block (109), the first anti-rotation block (110), and the first optical cable (115) being installed in the first inner lining assembly (117);

[0036] The first anti-rotation block (110) being threadedly connected with the first crimping tail handle (111).

[0037] The first tail sheath (113) is connected to the first ferrule inner liner (106), and the first locking shell (114) and the first elastic wall (106a) on the first ferrule inner liner (106) cooperate to fix the first locking shell (114).

[0038] Preferably, the second fixing assembly comprises:

[0039] The second optical cable (213) comprises a second aramid (213b) and a second optical fiber (213a);

[0040] The second optical fiber (213a) is sequentially threaded into the second anti-rotation block (209), the second ferrule spring (207), the second pressing block (208), and the second crimping tail handle (210);

[0041] The second optical cable (213) is sequentially sleeved with a second aluminum cup (211) and a second tail sheath (212), and the second aramid (213b) is fixed between the second crimping tail handle (210) and the second aluminum cup (211).

[0042] Preferably, the second fixing assembly further comprises:

[0043] The second ferrule (206) is connected to the second optical fiber (213a);

[0044] The second ferrule (206), the second ferrule spring (207), the second pressing block (208), the second anti-rotation block (209), and the second optical cable (213) are installed in the second inner liner assembly (205);

[0045] The second anti-rotation block (209) is threadedly connected to the second crimping tail handle (210);

[0046] The second tail sheath (212) and the shell (204) cooperate to fix the shell (204).

[0047] A method for automatically dustproofing a multi-core connector, for the multi-core connector, comprising:

[0048] Step S1, the first inner liner assembly (117) is provided with a first ferrule inner liner (106), and the first ferrule inner liner (106) is provided with a guide strip (106b), the guide strip (106b) cooperates with a key groove (204c) on the shell (204) to guide;

[0049] Step S2, when continuing to insert, the first driving bump (102b) on the first dustproof cap drive (102) and the second driving bump (202b) on the second dustproof cap drive (202) contact and press back, the first dustproof spring (103) and the second dustproof spring (203) are compressed, the first dustproof cap drive (102) and the second dustproof cap drive (202) retreat, the first dustproof cap (101) and the second dustproof cap (201) open;

[0050] Step S3, after the first dustproof cap (101) and the second dustproof cap (201) are completely opened, the first dustproof cap drive (102) and the second dustproof cap drive (202) move to the limit position;

[0051] Step S4, lock the first locking shell (114), and complete the butt joint.

[0052] Preferably, step S2 applies a backward force to the second driving bump (202b), and the second dustproof cap (201) rotates along the second rotating shaft (201a).

[0053] The present application has the beneficial effects that: due to the above technical scheme, the present application effectively reduces the time of the optical fiber core exposed to the air, realizes good dustproof effect, and reduces the optical cable loss. BRIEF DESCRIPTION OF DRAWINGS

[0054] Figure 1 is a step diagram of the ferrule butt joint in the preferred embodiment of the present application;

[0055] Figure 2 is a schematic diagram of the first connector end in the preferred embodiment of the present application;

[0056] Figure 3 is a specific structure schematic diagram of the first connector end in the preferred embodiment of the present application;

[0057] Figure 4 is a schematic diagram of the second connector end in the preferred embodiment of the present application;

[0058] Figure 5 is a specific structure schematic diagram of the second connector end in the preferred embodiment of the present application;

[0059] Figure 6 is a structure schematic diagram of the first dustproof cap in the preferred embodiment of the present application;

[0060] Figure 7 is a structure schematic diagram of the first dustproof cap drive in the preferred embodiment of the present application;

[0061] Figure 8is a structure diagram of the first locking slider in the preferred embodiment of the present application;

[0062] Figure 9 is a schematic diagram of the installation of the inner liner assembly in the preferred embodiment of the present application;

[0063] Figure 10 is a schematic diagram of the pre-assembly and stripping of the first optical cable in the preferred embodiment of the present application;

[0064] Figure 11 is a schematic diagram of the installation of the first inner liner assembly in the preferred embodiment of the present application;

[0065] Figure 12 is a schematic diagram of the installation of the first tail sheath and the first locking shell in the preferred embodiment of the present application;

[0066] Figure 13 is a structure diagram of the second dust cap in the preferred embodiment of the present application;

[0067] Figure 14 is a structure diagram of the driving of the second dust cap in the preferred embodiment of the present application;

[0068] Figure 15 is a structure diagram of the second shell in the preferred embodiment of the present application;

[0069] Figure 16 is a schematic diagram of the pre-assembly and stripping of the second optical cable in the preferred embodiment of the present application;

[0070] Figure 17 is a schematic diagram of the second crimping tail handle in the preferred embodiment of the present application;

[0071] Figure 18 is a schematic diagram of the driving movement of the second dust cap in the preferred embodiment of the present application;

[0072] Figure 19 is a schematic diagram of the ferrule butt joint in the preferred embodiment of the present application. DETAILED DESCRIPTION

[0073] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0074] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0075] The application will be further described in connection with the drawings and specific embodiments, but not as a limitation of the application.

[0076] An automatic dustproof multi-core connector, as shown in Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 、 Figure 8 、 Figure 9 、 Figure 10 、 Figure 11 、 Figure 12 、 Figure 13 、 Figure 14 、 Figure 15 、 Figure 16 、 Figure 17 、 Figure 18 、 Figure 19 comprises:

[0077] a first connector end 100, the first connector end 100 comprising:

[0078] a first dustproof assembly 116;

[0079] a first inner lining assembly 117 connected with the first dustproof assembly 116;

[0080] a first fixing assembly connected with the first inner lining assembly 117;

[0081] a second connector end 200, the second connector end 200 comprising:

[0082] a second dustproof assembly 214;

[0083] a second fixing assembly connected with the second dustproof assembly 214;

[0084] the first connector end 100 is threadedly connected with the second connector end 200.

[0085] Specifically, the application provides an automatic dustproof multi-core connector, mainly applied to optical fiber connection, which greatly reduces the time of optical fiber core exposed to air and realizes good dustproof effect.

[0086] In a preferred embodiment, the first dustproof assembly 116 comprises:

[0087] a first dustproof cap 101, the first dustproof cap 101 being provided with a first convex point 101b and a first rotating shaft 101a;

[0088] a first dustproof cap drive 102, the first dustproof cap drive 102 being provided with a first type slot 102a and a first recess 102c, the first dustproof cap 101 being installed on the first dustproof cap drive 102, and the first convex point 101b falling into the first type slot 102a;

[0089] a first dustproof spring 103;

[0090] a first locking slider 104, the first dustproof cap 101, the first dustproof cap drive 102 and the first dustproof spring 103 are installed in the first locking slider 104, the first locking slider 104 is provided with a first rotating shaft slot 104a, a first elastic buckle 104b and a first protrusion 104c, the first rotating shaft slot 104a is located at the inner side of the first locking slider 104, the first elastic buckle 104b is located at the lower end of the first locking slider 104, and the first protrusion 104c is located on the surface of the first locking slider 104, the first rotating shaft 101a falls into the first rotating shaft slot 104a, and the first dustproof spring 103 is positioned by cooperation of the first groove 102c and the elastic buckle 104b.

[0091] Specifically, the first dustproof cap 101 is installed on the first dustproof cap drive 102, the first protrusion 101b on the first dustproof cap 101 falls into the first type slot 102a on the first dustproof cap drive 102, the first dustproof cap 101, the first dustproof cap drive 102 and the first dustproof spring 103 assembled in the last step are installed into the first locking slider 104, the first rotating shaft 101a on the first dustproof cap 101 falls into the first rotating shaft slot 104a on the first locking slider 104, at this time, the first groove 102c on the first dustproof cap drive 102 cooperates with the first elastic buckle 104b on the first locking slider 104, so that the spring cannot push the first locking slider 104 out, and the first dustproof assembly 116.

[0092] In a preferred embodiment, the second dustproof assembly 214 includes:

[0093] a second dustproof cap 201, the second dustproof cap 201 is provided with a second protrusion 201b and a second rotating shaft 201a;

[0094] a second dustproof cap drive 202, the second dustproof cap drive 202 is provided with a second type slot 202a and a second groove 202c, the second dustproof cap 201 is installed on the second dustproof cap drive 202, and the second protrusion 201b falls into the second type slot 202a;

[0095] a second dustproof spring 203;

[0096] a housing 204, the second dustproof cap 201, the second dustproof cap drive 202 and the second dustproof spring 203 are installed in the housing 204, the housing 204 is provided with a second rotating shaft slot 204a and a second elastic buckle 204b, the second rotating shaft 201a falls into the second rotating shaft slot 204a, and the second dustproof spring 203 is positioned by cooperation of the second groove 202c and the second elastic buckle 204b.

[0097] Specifically, the second dustproof cap 201 is mounted on the second dustproof cap drive 202, so that the second protrusions 201b on the second dustproof cap 201 fall into the second type grooves 202a on the second dustproof cap drive 202. The second dustproof cap 201, the second dustproof cap drive 202 and the second dustproof spring 203 assembled in the above step are installed into the shell 204, so that the second rotating shaft 201a on the second dustproof cap 201 slides into the rotating shaft groove 204a on the shell 204. At this time, the second recess 202c on the second dustproof cap drive 202 and the second elastic buckle 204b on the shell 204 cooperate, preventing the spring from pushing the second locking sliding block 215 out, thereby forming the second dustproof assembly 214.

[0098] In a preferred embodiment, the first inner liner assembly 117 comprises:

[0099] The first locking spring 105;

[0100] The first plug-in core inner liner 106 is sleeved with the first locking spring 105, and the first plug-in core inner liner 106 is provided with a first elastic wall 106a, which cooperates with the first protrusion 104c of the first locking sliding block 104.

[0101] In a preferred embodiment, the first fixed assembly comprises:

[0102] The first optical cable 115 comprises a first aramid 115b and a first optical fiber 115a;

[0103] The first optical fiber 115a is sequentially inserted into the first crimping tail handle 111, the first anti-rotation block 110, the first pressing block 109 and the first plug-in core spring 108;

[0104] The first optical cable 115 is sequentially sleeved with the first aluminum cup 112, the first tail sheath 113 and the first locking shell 114;

[0105] The first aramid 115b is fixedly arranged between the first crimping tail handle 111 and the first aluminum cup 112.

[0106] In a preferred embodiment, the first fixed assembly further comprises:

[0107] The first plug-in core 107 is connected with the first optical fiber 115a;

[0108] The first plug-in core 107, the first plug-in core spring 108, the first pressing block 109, the first anti-rotation block 110 and the first optical cable 115 are installed in the first inner liner assembly 117;

[0109] The first anti-rotation block 110 is threadedly connected with the first crimping tail handle 111;

[0110] The first tail sheath 113 is connected to the first ferrule inner liner 106, and the first locking shell 114 and the first elastic wall 106a on the first ferrule inner liner 106 are matched to fix the first locking shell 114.

[0111] Specifically, the first aluminum cup 112, the first tail sheath 113, and the first locking shell 114 are sleeved on the first optical cable 115, and the fixed-length stripped cable is exposed to the first aramid 115b and the first optical fiber 115a, the first crimping tail handle 111, the first anti-rotation block 110, the first pressing block 109, and the first ferrule spring 108 are inserted on the first optical fiber 115a, and the first ferrule 107 and the first optical fiber 115a are cured together, the first aluminum cup 112, the first crimping tail handle 111, and the first optical cable 115 are crimped together, the first aramid 115b of the optical cable is fixed between the first crimping tail handle 111 and the first aluminum cup 112 through the crimping process, the components such as the optical cable are inserted into the first inner liner assembly 117, and the first anti-rotation block 110 and the first crimping tail handle 111 are installed together through threaded connection, the first tail sheath 113 is screwed to fix the first tail sheath 113 and the first ferrule inner liner 106, and then the first locking shell 114 is pushed in, and the first locking shell 114 is fixed by the first elastic wall 106b on the first ferrule inner liner 106 to prevent it from coming out.

[0112] In a preferred embodiment, the second fixing assembly comprises:

[0113] The second optical cable 213 comprises a second aramid 213b and a second optical fiber 213a;

[0114] The second optical fiber 213a is sequentially inserted into the second anti-rotation block 209, the second ferrule spring 207, the second pressing block 208, and the second crimping tail handle 210.

[0115] The second optical cable 213 is sequentially sleeved with the second aluminum cup 211 and the second tail sheath 212, and the second aramid 213b is fixed between the second crimping tail handle 210 and the second aluminum cup 211.

[0116] In a preferred embodiment, the second fixing assembly further comprises:

[0117] The second ferrule 206 is connected to the second optical fiber 213a;

[0118] The second ferrule 206, the second ferrule spring 207, the second pressing block 208, the second anti-rotation block 209, and the second optical cable 213 are installed in the second inner liner assembly 205.

[0119] The second anti-rotation block 209 is threadedly connected to the second crimping tail handle 210.

[0120] The second tail sheath 212 cooperates with the outer shell 204 to fix the outer shell 204.

[0121] Specifically, the second aluminum cup 211, the second tail sheath 212 are sleeved on the second optical cable 213, and the fixed-length stripped cable is exposed to the second aramid 213b and the second optical fiber 213a, the second anti-rotation block 209, the second ferrule spring 207, the second pressing block 208 and the second crimping tail handle 210 are inserted on the second optical fiber 213a, and the second ferrule 206 and the second optical fiber 213a are cured together, the second aluminum cup 211, the second crimping tail handle 210 and the second optical cable 213 are crimped together, wherein the second aramid 213b of the second optical cable 213 is fixed between the crimped second crimping tail handle 210 and the second aluminum cup 211 through the crimping process, the components such as the optical cable are inserted into the second inner liner assembly 205, and the second anti-rotation block 209 and the second crimping tail handle 210 are installed together through threaded connection; the second tail sheath 212 is screwed to fix the second tail sheath 212 and the outer shell 204.

[0122] A method for automatically dustproofing a multi-core connector, for a multi-core connector, such as Figure 1 as shown, comprising:

[0123] Step S1, the first inner liner assembly 117 is provided with a first ferrule inner liner 106, and a guide strip 106b is arranged on the first ferrule inner liner 106, the guide strip 106b cooperates with the key groove 204c on the outer shell 204 to guide;

[0124] Step S2, when continuing to insert, the first driving protrusion 102b on the first dust cap drive 102 and the second driving protrusion 202b on the second dust cap drive 202 contact and are pressed back, the first dustproof spring 103 and the second dustproof spring 203 are compressed, the first dust cap drive 102 and the second dust cap drive 202 retreat, and the first dust cap 101 and the second dust cap 201 open;

[0125] Step S3, after the first dust cap 101 and the second dust cap 201 are completely opened, the first dust cap drive 102 and the second dust cap drive 202 move to the limit position;

[0126] Further, when continuing to insert, since the first rotating shaft 101a on the first dustproof cap 101 and the second rotating shaft 201a on the second dustproof cap 201 are installed in the first rotating shaft slot 104a on the first locking slider 104 and the second rotating shaft slot 204a on the shell 204, and the convex points on the first dustproof cap 101 and the second dustproof cap 201 are installed in the concave slots on the first dustproof cap drive 102 and the second dustproof cap drive 202 respectively, the second dustproof cap drive 202 and the first dustproof cap drive 102 retreat, a backward force is applied to the second driving convex block 202b, the second dustproof cap 201 rotates along the second rotating shaft 201a, the dustproof cap is opened, and the second dustproof cap drive 202 and the first dustproof cap drive 102 move to the limit position after the dustproof cap is completely opened.

[0127] In step S4, the first locking shell 114 is locked, and the butt joint is completed.

[0128] Further, when the first rotating locking shell 114 is rotated, the first dustproof assembly 116 compresses the first locking spring 105, and pushes the first plug core 107 and the second plug core 206 to contact and butt joint, and when the first locking shell 114 is completely locked, the plug core butt joint is completed.

[0129] In a preferred embodiment, in step S2, a backward force is applied to the second driving convex block 202b, and the second dustproof cap 201 rotates along the second rotating shaft 201a.

[0130] In conclusion, the application provides an automatic dustproof multi-core connector and method, which combines the dustproof cap, the automatic dustproof assembly and the cable fixing assembly, the multi-core connector and other components, realizes the functions of automatic opening and closing of the dustproof cap and automatic and rapid clamping of the connector, achieves good dustproof effect, improves the optical fiber plug-in efficiency, greatly reduces the optical fiber pollution probability, improves the optical fiber plug-in efficiency, shortens the construction period, greatly reduces the construction investment, and provides technical support for optical fiber plug-in in dust complex environments such as subways and mining areas, and provides strong support for the global deployment of the national all-optical network strategy.

[0131] The above only describes the preferred embodiments of the application, and does not limit the implementation and protection scope of the application. It should be understood by those skilled in the art that any equivalent replacement and obvious changes made according to the content of the specification and drawings should be included in the protection scope of the application.

Claims

1. An automatic dustproof multi-core connector characterized by comprising: The utility model relates to a connector, which comprises: a first connector end (100) comprising: a first dustproof component (116); a first inner lining component (117) connected with the first dustproof component (116); a first fixing component connected with the first inner lining component (117); a second connector end (200) comprising: a second dustproof component (214); a second fixing component connected with the second dustproof component (214); the first connector end (100) and the second connector end (200) are threadedly connected; the first dustproof component (116) comprises: a first dustproof cap (101) provided with a first protrusion (101b) and a first rotating shaft (101a); a first dustproof cap drive (102) provided with a first groove (102a) and a first recess (102c), the first dustproof cap (101) is installed on the first dustproof cap drive (102), and the first protrusion (101b) falls into the first groove (102a); a first dustproof spring (103); a first locking sliding block (104), the first dustproof cap (101), the first dustproof cap drive (102) and the first dustproof spring (103) are installed in the first locking sliding block (104), the first locking sliding block (104) is provided with a first rotating shaft groove (104a), a first elastic buckle (104b) and a first protruding block (104c), the first rotating shaft groove (104a) is located on the inner side of the first locking sliding block (104), the first elastic buckle (104b) is located at the lower end of the first locking sliding block (104), the first protruding block (104c) is located on the surface of the first locking sliding block (104), the first rotating shaft (101a) falls into the first rotating shaft groove (104a), and the first recess (102c) and the elastic buckle (104b) are matched to position the first dustproof spring (103).

2. The self-dusting multi-conductor connector of claim 1, wherein, the second dustproof component (214) comprises: a second dustproof cap (201) provided with a second protrusion (201b) and a second rotating shaft (201a); a second dustproof cap drive (202) provided with a second groove (202a) and a second recess (202c), the second dustproof cap (201) is installed on the second dustproof cap drive (202), and the second protrusion (201b) falls into the second groove (202a); a second dustproof spring (203); A shell (204) is provided with a second dustproof cap (201), a second dustproof cap drive (202) and a second dustproof spring (203) installed therein, and a second rotating shaft slot (204a) and a second elastic buckle (204b) are arranged on the shell (204), the second rotating shaft (201a) is slid into the second rotating shaft slot (204a), and the second groove (202c) and the second elastic buckle (204b) are matched to position the second dustproof spring (203).

3. The self-dusting multi-conductor connector of claim 1, wherein, The first inner lining assembly (117) comprises: A first locking spring (105); A first ferrule inner lining (106) sleeved on the first locking spring (105), and a first elastic wall (106a) is arranged on the first ferrule inner lining (106), and the first elastic wall (106a) is matched with the first protrusion (104c) of the first locking sliding block (104).

4. The self-dusting multi-conductor connector of claim 1, wherein, The first fixing assembly comprises: A first optical cable (115) comprising a first aramid fiber (115b) and a first optical fiber (115a); The first optical fiber (115a) is sequentially threaded into a first crimping tail handle (111), a first anti-rotation block (110), a first pressing block (109) and a first ferrule spring (108); The first optical cable (115) is sequentially sleeved with a first aluminum cup (112), a first tail sheath (113) and a first locking shell (114); The first aramid fiber (115b) is fixed between the first crimping tail handle (111) and the first aluminum cup (112).

5. The self-dusting multi-conductor connector of claim 4, wherein, The first fixing assembly further comprises: A first ferrule (107) connected to the first optical fiber (115a); The first ferrule (107), the first ferrule spring (108), the first pressing block (109), the first anti-rotation block (110) and the first optical cable (115) are installed in the first inner lining assembly (117); The first anti-rotation block (110) is threadedly connected with the first crimping tail handle (111); The first tail sheath (113) is connected with the first ferrule inner lining (106), and the first locking shell (114) and the first elastic wall (106a) on the first ferrule inner lining (106) are matched to fix the first locking shell (114).

6. The self-dusting multi-conductor connector of claim 1, wherein, The second fixing assembly comprises: A second optical cable (213) comprising a second aramid fiber (213b) and a second optical fiber (213a); The second optical fiber (213a) is sequentially threaded into a second anti-rotation block (209), a second ferrule spring (207), a second pressing block (208) and a second crimping tail handle (210); The second optical cable (213) is sequentially sleeved with a second aluminum cup (211) and a second tail sheath (212), and the second aramid fiber (213b) is fixed between the second crimping tail handle (210) and the second aluminum cup (211).

7. The self-dusting multi-conductor connector of claim 6, wherein, The second fixing assembly further comprises: A second ferrule (206) connected to the second optical fiber (213a); The second ferrule (206), the second ferrule spring (207), the second press block (208), the second anti-rotation block (209) and the second optical cable (213) are installed in the second inner lining assembly (205); The second anti-rotation block (209) is threadedly connected with the second press tail handle (210); The second tail sheath (212) and the outer shell (204) cooperate to fix the outer shell (204).

8. A method of mating a self-dusting multi- core connector, characterized by, A multi-fiber connector for implementing any one of claims 1-7, comprising: Step S1, the first inner lining assembly (117) is provided with a first ferrule inner lining (106), and a guide strip (106b) is arranged on the first ferrule inner lining (106); the guide strip (106b) cooperates with a key groove (204c) on the outer shell (204) to guide; Step S2, when continuing to insert, a first driving protrusion (102b) on the first dust cap drive (102) and a second driving protrusion (202b) on the second dust cap drive (202) are in contact and are pressed to retreat, a first dust spring (103) and a second dust spring (203) are compressed, the first dust cap drive (102) and the second dust cap drive (202) retreat, and a first dust cap (101) and a second dust cap (201) are opened; Step S3, after the first dust cap (101) and the second dust cap (201) are completely opened, the first dust cap drive (102) and the second dust cap drive (202) move to a limit position; Step S4, a first locking outer shell (114) is locked, and the connection is completed.

9. The method of mating a multi-fiber connector according to claim 8, wherein, Step S2 applies a backward force to the second driving protrusion (202b), and the second dust cap (201) rotates along a second rotation shaft (201a).

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