Plug and socket with dustproof function and connector

Abstract

The invention discloses a plug with a dustproof function, a socket and a connector. The plug is characterized in that a first dustproof assembly is arranged at the front end of the plug; the first dustproof assembly comprises a dustproof front cover, the front part of the dustproof front cover is a face part, and the rear part of the dustproof front cover is an insertion part; an insertion hole is formed in the middle of the dustproof front cover; the dustproof baffle plates are divided into a left layout and a right layout which are respectively coupled to the inner side wall of the insertion part of the insertion hole of the dustproof front cover, the left and right dustproof baffle plates are respectively provided with a connecting push arm, and push columns are arranged on the connecting push arms; a rear cover through hole is formed in the middle of the dustproof rear cover, so that the dustproof baffle is opened and closed to cover or block the insertion hole; the at least one elastic element is supported between the dustproof front cover and the dustproof rear cover; the invention also discloses a corresponding socket and a connector thereof. Double-door double-spring reset is adopted, the structural reliability is higher, and the dustproof effect is better.

Description

Technical Field

[0001] The invention relates to the field of connectors, and in particular to a plug and a socket and a connector with dustproof function. Background Art

[0002] Fiber optic sensor is a sensor that converts the state of the measured object into a measurable optical signal. The working principle of fiber optic sensor is to send the incident light beam of the light source into the modulator through the optical fiber, and the interaction with the external measured parameters in the modulator changes the optical properties of the light, such as the intensity, wavelength, frequency, phase, polarization state, etc., to become a modulated optical signal, and then send it into the optoelectronic device through the optical fiber, and obtain the measured parameters after the demodulator. In the whole process, the light beam is introduced through the optical fiber, passes through the modulator, and then emits. The role of the optical fiber is first to transmit the light beam, and then to act as an optical modulator. However, dust can easily cause many effects on the fiber optic connector. Dust particles will adhere to the surface or inside of the fiber optic connector, resulting in the fiber core not being fully aligned when the optical fiber is connected, thereby affecting the quality of the optical signal and causing signal attenuation. Dust pollution will reduce the transmission performance of the optical fiber, which may lead to a reduction in the maximum transmission distance. Dust accumulates inside the equipment, which will affect the ventilation and heat dissipation of the equipment, leading to temperature rise, and even cause corrosion of the single board inside the equipment and poor contact of the signal connector, thereby causing equipment failure.

[0003] Most of the fiber optic connectors on the market now do not have automatic protection for the fiber optic connector, or need to manually cover the protective cover to manually protect the inside of the connector to achieve the effect of dust prevention. However, manual dust covers are easy to forget or have a large delay. For fiber optic connectors, which require extremely dust-free precision connectors, there is a lot of room for improvement in structure, and the matching sockets also need to have active dust prevention devices. Summary of the invention

[0004] The primary technical problem to be solved by the present invention is to propose a plug with a dustproof function. The plug is provided with a first dustproof component. Only when the user needs to use the plug and insert it into the socket, the first dustproof component will be automatically opened to facilitate the connection of the plug. When the user pulls the plug out of the socket, the first dustproof component will automatically close to actively protect the plug and prevent it from being contaminated.

[0005] Another technical problem to be solved by the present invention is to provide a socket with a dustproof function. A second dustproof component is provided in the socket. When a matching plug is inserted, the second dustproof component opens. When the plug is pulled out, the second dustproof component automatically closes the inserted port of the socket. Moreover, the second dustproof component is executed by a lever-type operating part, so the interface is simple and the reliability is higher.

[0006] Another technical problem to be solved by the present invention is to provide a related connector with dustproof function.

[0007] The technical solution to the primary technical problem of the present invention is: a plug with a dustproof function, which can be plugged and connected with a mating socket to generate optical and / or electrical conduction in at least one plugging direction, comprises a plug shell, in which an optical fiber ferrule and / or a cable ferrule is arranged, characterized in that a first dustproof component is arranged at the front end of the plug; the first dustproof component comprises: A dustproof front cover, the front part of which is a face part, and the rear part is a plug-in part; an insertion hole is provided in the middle of the dustproof front cover; A dust shield, divided into a left dust shield and a right dust shield arranged on the left and right, respectively axially connected to the inner side wall of the plug-in portion of the dust front cover insertion hole, the left dust shield and the right dust shield each having a connecting push arm, and a push column is arranged on the connecting push arm; A dustproof rear cover, a rear cover through hole is opened in the middle of the dustproof rear cover, and the dustproof rear cover has a push portion facing forward, the push portion is provided with a guide hole, and is movably plug-connected with a push column on the connecting push arm; the dustproof baffle is opened and closed to cover or block the insertion hole; At least one elastic element is supported between the dustproof front cover and the dustproof rear cover to achieve the backward movement and forward reset of the dustproof front cover.

[0008] In order to improve stability and reliability, further improvement is made: a guiding matching mechanism is provided between the dustproof front cover and the dustproof rear cover.

[0009] In order to simplify the structure, further improvement is made: the guide matching mechanism is: A guide groove is provided on the plug-in portion of the dustproof front cover, and a pin shaft hole is provided in the guide groove for movement of the pin shaft on the connecting push arm; A guide block, the push part of the dustproof rear cover also serves as the guide block, which can slide relatively forward and backward when placed in the guide groove.

[0010] Further improvement: the elastic element is supported by a spring between the bottom of the guide groove and the top of the pushing portion.

[0011] Further improvement: the left dust shield plate and the right dust shield plate are arranged symmetrically on the left and right, and correspondingly, the guide matching mechanism and the spring are also arranged symmetrically on the top and bottom.

[0012] Further improvement: The left dust shield and the right dust shield are both U-shaped, with the baffle part in the front and connecting push arms on the upper and lower sides. The connecting push arms are provided with push columns and pin shafts, which respectively cooperate with the guide holes on the dustproof rear cover and the pin shaft holes on the dustproof front cover to realize rotation opening or closing.

[0013] In order to protect and limit the left dust shield and the right dust shield, further improvements are made: the top of the dustproof rear cover has a limiting portion with a guide edge, when the left dust shield and the right dust shield are rotated to complete the opening, the left dust shield and the right dust shield conflict with the limiting portion on the top of the dustproof rear cover to realize the limiting function.

[0014] Further improvement: the first dustproof component is sleeved on the optical fiber ferrule and / or the cable ferrule, and is fixed to the inner wall fixing groove of the plug housing through the fixing block on the dustproof rear cover.

[0015] The technical solution of the present invention to solve another technical problem is: a socket with dustproof function, which can generate optical and / or electrical conduction with a mating plug in at least one plugging direction, comprises a socket shell, a socket core is fixed in the socket shell, and the socket shell and the socket core are respectively provided with insertion openings in the insertion direction, wherein a second dustproof component is provided at the front end of the socket; it is characterized in that the second dustproof component comprises: A slot, with a gap between the socket shell and the socket core body to match the plug shell; A dustproof rotating sheet is rotatably connected to the inner wall of the socket core insertion opening, and has mutually connected legs and baffles. The baffles can cover or block the socket core insertion opening by forward and reverse rotation; An operating member is rotatably arranged in the mounting groove of the wall of the socket core body, with the outer end remaining in the slot and the inner end close to the leg of the dustproof rotating piece, so that after the outer end of the operating member is pushed by the plug shell, the other end can drive the dustproof rotating piece to rotate; A reset torsion spring has two ends respectively fixed to the dustproof rotating piece and the socket core body, so that the dustproof rotating piece always keeps the tendency of covering the insertion opening of the socket core body.

[0016] Further improvement: the cross section of the dustproof rotating piece is J-shaped, and is rotatably connected to the inner wall of the socket core insertion port through a connecting shaft pin at the corner.

[0017] Further improvement: the cross section of the operating member is in a "<" shape.

[0018] In order to protect the operating member, finally: an inclined surface is provided at the rear of the installation groove, and rotating openings are provided at the upper and lower ends of the front side of the inclined surface to match the two ends of the operating member, so that the operating member can achieve limited rotation.

[0019] The technical solution of the present invention to solve another technical problem is: a connector with dustproof function, which includes a plug and a socket that are plugged into and matched with each other, characterized in that: the plug adopts any one of the above-mentioned plugs with dustproof function, and the socket adopts any one of the above-mentioned sockets with dustproof function.

[0020] Compared with the prior art, the advantages of the present application are: the dustproof plug is provided with a first dustproof component in the plugging direction, when the plug is inserted into the socket, the dustproof front cover of the first dustproof component is pushed, driving the dustproof baffle to rotate along with the guide hole, and the insertion port is opened, and when the plug is pulled out, the elastic member helps the dustproof front cover to actively reset and drives the dustproof baffle to reset, and the dustproof function takes effect, and the double-door double-spring reset is adopted, the structural reliability is higher, the dustproof effect is better, and the defect of the traditional plug without dustproof protection structure is overcome; a second dustproof component is provided in the dustproof socket, which is executed by a lever-type operating member, and the active dustproof reliability is higher. When the plug is inserted, the plug shell pushes the operating member to drive the dustproof rotating plate to open for the plug to be inserted. When the plug is pulled out, the reset torsion spring drives the second dustproof component to reset, realizing the active dustproof function, overcoming the low reliability of the elastic eccentric structure adopted in the traditional structure and the unexpected situation of not returning to the original position; the protection level of the entire connector can reach IP65. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a three-dimensional view of the plug of the present invention, Figure 2 is a cross-sectional view of the first dustproof component of the plug of the present invention in a closed state, Figure 3 A cross-sectional view of the first dustproof component of the plug of the present invention in the opening process state, Figure 4 is a cross-sectional view of the first dustproof component of the plug of the present invention in an open state, Figure 5 Schematic diagram of the explosion structure of the first dustproof component of the plug of the present invention, Figure 6 is a three-dimensional view of the socket of the present invention, Figure 7 is a cross-sectional view of the socket of the present invention, Figure 8 This is a schematic diagram of the exploded structure of the socket of the present invention. Fig. 9 is a cross-sectional view of the plug and socket of the present invention in the plugged-in state 1, Fig.10 It is a cross-sectional view of the plug and the socket of the present invention in the second plugging state, Fig.11 This is a cross-sectional view of the plug and socket of the present invention in the third plugging state, In the figure, 1, plug, 2, plug housing, 3, first dustproof component, 4, dustproof front cover, 5, insertion hole, 6, dustproof baffle, 7, left dust shield, 8, right dust shield, 9, connecting push arm, 10, pin shaft, 11, dustproof rear cover, 12, rear cover through hole, 13, push part, 14, elastic element, 15, guide groove, 16, pin shaft hole, 17, spring hole, 18, baffle part, 19, push column, 20, socket, 21, reset torsion spring, 22, guide hole, 23, limit part, 24 , socket shell, 25, socket core, 26, insertion port, 261, socket shell insertion port, 262, socket core insertion port, 263, protective cover sleeve insertion port, 27, second dustproof component, 28, dustproof rotating sheet, 29, support foot, 30, baffle, 31, operating part, 32, mounting hole groove, 33, mounting groove, 34, plug core, 35, slot, 36, connecting shaft pin, 37, inclined plane, 38, upper rotating port, 39, lower rotating port, 40, protective cover sleeve, 41, fixing block. DETAILED DESCRIPTION

[0022] The following is a further detailed description of the implementation methods of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention. In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", "third", etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] The present invention is further described in detail below with reference to the accompanying drawings.

[0025] like Figures 1 to 11A connector with a dustproof function comprises a plug 1 and a socket 20 which are plugged into and matched with each other. The improvement of the invention lies in that the plug 1 adopts the following plug 1 with a dustproof function, and the socket 20 adopts the following socket 20 with a dustproof function.

[0026] like Figures 1 to 5 9. A plug 1 with a dustproof function can be plugged and connected with a mating socket 20 to produce optical and / or electrical conduction in at least one plugging direction. It includes a plug shell 2. The plug shell 2 can be made of stainless steel, which is more durable and rust-resistant than zinc alloy. An optical fiber ferrule or / and a cable ferrule is arranged in the plug shell 2. A ferrule 34 with different functions can be selected as needed. A first dustproof component 3 is arranged at the front end of the plug 1. The focus of the invention is that the first dustproof component 3 includes: a dustproof front cover 4, the front part of the dustproof front cover 4 is a face part, and its outer contour is adapted to the mouth of the plug shell 2, and the rear part is a plug-in part. An insertion hole 5 is opened in the middle of the dustproof front cover 4 for convenient plug-in connection with the socket core 25, and a dustproof baffle 6, which is divided into a left dustproof plate 7 and a right dustproof plate 8 arranged on the left and right, which can be movable and combined to form a dustproof plate. The dust shield plate 6, the left dust shield plate 7 and the right dust shield plate 8 each have a connecting push arm 9, on which a pin shaft 10 is arranged, so that the left dust shield plate 7 and the right dust shield plate 8 are respectively axially connected to the inner side wall of the plug-in part of the insertion hole 5 of the dustproof front cover 4, and a push column 19 is also arranged on the connecting push arm 9 of the left dust shield plate 7 and the right dust shield plate 8. A dustproof rear cover 11, whose outer contour is adapted to the cavity of the plug housing 2, a rear cover through hole 12 is opened in the middle of the dustproof rear cover 11, and the dustproof rear cover 11 has a pushing portion 13 forward, and a guide hole 22 is arranged on the pushing portion 13, which is movably plug-connected with the pushing column 19 on the connecting push arm 9, so that the dustproof shield plate 6 is opened or closed, thereby covering the insertion hole 5 of the dustproof front cover 4 or opening the insertion hole 5, and at least one elastic element 14 is supported between the dustproof front cover 4 and the dustproof rear cover 11 to realize the backward movement or forward movement and reset of the dustproof front cover 4. The first dustproof component 3 is sleeved on the optical fiber ferrule or / and the cable ferrule, and is fixed to the inner wall fixing groove of the plug housing 2 through the fixing block 41 on the dustproof rear cover 11. The first dustproof component 3 is made of stainless steel, which is more durable than zinc alloy and is not easy to rust.

[0027] In order to improve the working stability and reliability and make the activity smooth, a guiding matching mechanism is provided between the dustproof front cover 4 and the dustproof rear cover 11. A guide groove 15 is provided on the plug-in portion of the dustproof front cover 4 in the axial direction. A pin shaft hole 16 is opened in the guide groove 15 for the movement of the pin shaft 10 on the connecting push arm 9. At the same time, the pushing portion 13 of the dustproof rear cover 11 also serves as a guide block, which can slide relatively forward and backward when placed in the guide groove 15. The elastic element 14 is supported between the bottom of the guide groove 15 and the top of the pushing portion 13. Usually, two pairs of spring holes 17 are provided between the dustproof front cover 4 and the dustproof rear cover 11. An elastic element 14 is fixed in each pair of spring holes 17. The elastic element 14 is preferably a spring. In this way, the double pushing portion 13 plus double spring reset are adopted, the structural reliability is higher, and the dustproof effect is better.

[0028] The left dust shield 7 and the right dust shield 8 are arranged symmetrically on the left and right, and correspondingly, the guide matching mechanism and the spring are also arranged symmetrically on the top and bottom. The left dust shield 7 and the right dust shield 8 are both U-shaped, with a baffle portion 18 in front and connecting push arms 9 on the upper and lower sides. The connecting push arms 9 are provided with a push column 19 and a pin shaft 10, which are respectively matched and connected with the guide hole 22 on the dustproof rear cover 11 and the pin shaft hole 16 on the dustproof front cover 4 to realize rotation opening or closing. When the dustproof front cover 4 is pushed, the left dust shield 7 and the right dust shield 8 are driven to rotate, thereby opening the dust shield 6 on the plug 1 with dustproof function, so that the plug core 34 can be connected to the socket 20.

[0029] Finally, the top of the dustproof rear cover 11 has a limiting portion 23 with a guide edge. When the left dust shield 7 and the right dust shield 8 are rotated to be opened, the left dust shield 7 and the right dust shield 8 collide with the limiting portion 23 on the top of the dustproof rear cover 11 to realize the limiting function, thereby preventing the left dust shield 7 and the right dust shield 8 from excessive rotation, thereby reducing the service life.

[0030] like Figures 6-8, a socket 20 with dustproof function, at least in one plug-in direction, can be plugged and connected with a mating plug 1 to produce optical or / and electrical conduction, including a socket shell 24, a socket core 25 is fixed in the socket shell 24, the socket core 25 can be an optical fiber core or / and a cable core, here the cores with different functions can be selected according to needs to match the plug 1, the interior of the socket shell 24 adopts a high-precision ceramic sleeve, the precision reaches plus or minus 0.0005mm, the optical fiber insertion loss is low, the socket shell 24 and the socket core 25 are respectively provided with an insertion port 26 in the insertion direction, which are a socket shell insertion port 261 and a socket core insertion port 262, wherein the front end of the socket 20 is provided with a second dustproof component 27, the focus of the invention is that the second dustproof component 27 includes: a slot 35 is provided between the socket shell 24 and the socket core 25, the slot 35 matches the plug shell 2, usually the slot 35 is composed of an annular gap between the socket shell 24 and the socket core 25, the thickness is adapted to the thickness of the mouth of the plug shell 2, so as to facilitate its insertion. The dustproof rotating piece 28 has a J-shaped cross-section and is rotatably connected to the inner wall of the socket core insertion port 262 at the corner by a connecting shaft pin 36. It has mutually connected legs 29 and a baffle 30. The baffle 30 can cover the socket core insertion port 262 or open the socket core insertion port 262 by rotating forward and reverse. This rotatable connection usually adopts an axle connection, and the dustproof rotating piece 28 is connected to the mounting hole groove 32 on the inner wall of the socket core insertion port 262 by a connecting shaft pin 36. Of course, a connecting shaft or the like can also be used to achieve a similar effect. There is also an operating member 31, whose cross section presents a "<" shape. The operating member 31 is rotatably arranged in the mounting groove 33 on the wall of the socket core body 25. This rotatable connection is also achieved by connecting to the mounting groove 33 with an axle pin or the like. The outer end is left in the slot 35, and the inner end is close to the support leg 29 of the dustproof rotating piece 28, so that after the outer end of the operating member 31 is pushed by the plug housing 2, the other end can drive the dustproof rotating piece 28 to rotate. An inclined surface 37 is provided at the rear of the mounting groove 33, and an upper rotating opening 38 and a lower rotating opening 39 are provided at the upper and lower ends of the front side of the inclined surface 37 to match the two ends of the operating member 31, so that the operating member 31 can achieve limited rotation. The two ends of the reset torsion spring 21 are respectively fixed to the dustproof rotating piece 28 and the socket core body 25, so that the dustproof rotating piece 28 always keeps the tendency to cover the insertion port 26, thereby realizing the dustproof function. Finally, a protective cover sleeve 40 is sleeved on the front end of the socket core 25, and an insertion opening is also opened in the middle part of the protective cover sleeve 40, which is the protective cover sleeve insertion opening 263. The protective cover sleeve 40 has an annular inclined surface along the protective cover sleeve insertion opening 263 that cooperates with the dustproof rotating sheet 28 to achieve a good shielding effect. The protective cover sleeve insertion opening 263 and the socket shell insertion opening 261 and the socket core insertion opening 262 mentioned above constitute the insertion opening 26 of the socket 20.

[0031] When the user uses this product, he only needs to hold the plug shell 2 with his hand and insert the plug 1 into the insertion port 26 of the socket 20. When the plug shell 2 is about to enter the slot 35 between the socket shell 24 and the socket core 25, the front end protection cover sleeve 40 of the socket core 25 will support the dustproof front cover 4 of the plug 1, so that the dustproof front cover 4 overcomes the elastic force of the elastic element 14 and retreats backwards. Because of the relative effect of the forces, the pushing portion 13 similar to the dustproof rear cover 11 cooperates with the guide hole 22 and the pushing column 19 to push the connecting push arm of the left dust shield 7 and the right dust shield 8 to rotate, thereby opening the dust shield 6 until it is in place and limited. At this time, the plug 1 is further pushed with force to make the plug shell 2 go deep into the slot 35 and can be engaged with the operating member 31 conflicts with each other, causing the operating member 31 to rotate, further driving the dustproof rotating piece 28 to rotate and open, thereby opening the insertion port 26 of the socket 20, so that the plug core 34 of the plug 1 can be plugged and connected with the core body of the socket 20; on the contrary, when the user pulls out the plug 1 from the insertion port 26 of the socket 20, the reset torsion spring 21 of the socket 20 drives the operating member 31 and the dustproof rotating piece 28 to rotate in the opposite direction and reset, and the dustproof front cover 4 of the plug 1 will also be reset along the direction of the guide groove 15 due to the force applied by the elastic element 14, and the pushing portion 13 of the dustproof rear cover 11 cooperates with the guide hole 22 and the pushing column 19 to push the connecting push arms of the left dust shield 7 and the right dust shield 8 to rotate in the opposite direction, thereby closing the dust shield 6 until it is in place.

Claims

1. A plug with dustproof function, which can be plugged and connected with a mating socket to generate optical and / or electrical conduction in at least one plugging direction, comprising a plug housing, in which an optical fiber ferrule and / or a cable ferrule is arranged, characterized in that: A first dustproof component is provided at the front end of the plug, and the first dustproof component includes: A dustproof front cover, the front part of which is a face part, and the rear part is a plug-in part; an insertion hole is provided in the middle of the dustproof front cover; A dust shield, divided into a left dust shield and a right dust shield arranged on the left and right, respectively axially connected to the inner side wall of the plug-in portion of the dust front cover insertion hole, the left dust shield and the right dust shield each having a connecting push arm, and a push column is arranged on the connecting push arm; A dustproof rear cover, a rear cover through hole is opened in the middle of the dustproof rear cover, and the dustproof rear cover has a push portion facing forward, the push portion is provided with a guide hole, and is movably plug-connected with a push column on the connecting push arm; the dustproof baffle is opened and closed to cover or block the insertion hole; At least one elastic element is supported between the dustproof front cover and the dustproof rear cover to achieve the backward movement and forward reset of the dustproof front cover.

2. The plug with dustproof function according to claim 1, characterized in that: A guiding matching mechanism is provided between the dustproof front cover and the dustproof rear cover.

3. The plug with dustproof function according to claim 2, characterized in that: The guide matching mechanism is: A guide groove is provided on the plug-in portion of the dustproof front cover, and a pin shaft hole is provided in the guide groove for movement of the pin shaft on the connecting push arm; A guide block, the push part of the dustproof rear cover also serves as the guide block, which can slide relatively forward and backward when placed in the guide groove.

4. The plug with dustproof function according to claim 3, characterized in that: The elastic element is supported between the bottom of the guide groove and the top of the pushing portion by a spring.

5. The plug with dustproof function according to claim 4, characterized in that: The left dust shield plate and the right dust shield plate are arranged symmetrically on the left and right, and correspondingly, the guide matching mechanism and the spring are also arranged symmetrically on the top and bottom.

6. The plug with dustproof function according to claim 5, characterized in that: The left dust shield and the right dust shield are both U-shaped, with the front being the shield portion and the upper and lower sides being connecting push arms, the connecting push arms being provided with push columns and pin shafts, which respectively cooperate with the guide holes on the dustproof rear cover and the pin shaft holes on the dustproof front cover to realize rotation opening or closing.

7. The plug with dustproof function according to claim 6, characterized in that: The top of the dustproof rear cover has a limiting portion with a guiding edge. When the left dust shield plate and the right dust shield plate are rotated to be fully opened, the left dust shield plate and the right dust shield plate conflict with the limiting portion on the top of the dustproof rear cover to realize the limiting function.

8. The plug with dustproof function according to claim 7, characterized in that: The first dustproof component is sleeved on the optical fiber ferrule and / or the cable ferrule and is fixed to the inner wall fixing groove of the plug housing through the fixing block on the dustproof rear cover.

9. A socket with dustproof function, which can generate optical and / or electrical conduction with a mating plug in at least one plugging direction, comprising a socket shell, a socket core fixed in the socket shell, the socket shell and the socket core having respective insertion openings in the insertion direction, wherein a second dustproof component is provided at the front end of the socket; characterized in that The second dustproof component includes: A slot, with a gap between the socket shell and the socket core body to match the plug shell; A dustproof rotating sheet is rotatably connected to the inner wall of the socket core insertion opening, and has mutually connected legs and baffles. The baffles can cover or block the socket core insertion opening by forward and reverse rotation; An operating member is rotatably arranged in the mounting groove of the wall of the socket core body, with the outer end remaining in the slot and the inner end close to the leg of the dustproof rotating piece, so that after the outer end of the operating member is pushed by the plug shell, the other end can drive the dustproof rotating piece to rotate; A reset torsion spring has two ends respectively fixed to the dustproof rotating piece and the socket core body, so that the dustproof rotating piece always keeps the tendency of covering the insertion opening of the socket core body.

10. The dustproof socket according to claim 9, characterized in that: The cross section of the dustproof rotating piece is in a J shape and is rotatably connected to the inner wall of the socket core insertion port through a connecting shaft pin at a corner.

11. The dustproof socket according to claim 9, characterized in that: The cross section of the operating member is in a "<" shape.

12. The dustproof socket according to claim 9, characterized in that: The rear part of the installation groove is provided with an inclined surface, and the upper and lower ends of the front side of the inclined surface are provided with rotation openings that match the two ends of the operating member, so that the operating member can achieve limited rotation.

13. A connector with dustproof function, comprising a plug and a socket that are plugged into each other, characterized in that: The plug adopts the plug with dustproof function described in any one of claims 1 to 8, and the socket adopts the socket with dustproof function described in any one of claims 9 to 12.

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