LC adapter with inner cover

Abstract

The LC adapter with the inner cover comprises a frame sleeve and a grounding piece buckled with the frame sleeve, the frame sleeve is provided with a front insertion opening, a rear insertion opening and a connecting part connecting the front insertion opening and the rear insertion opening, an insertion core is installed in the connecting part, a through hole is formed in the bottom of the front insertion opening, and a through hole is formed in the bottom of the rear insertion opening. The grounding piece is buckled at the bottom of the front insertion opening and covers the through hole, an elastic grounding structure capable of abutting against the grounding piece is installed at an opening of the front insertion opening, and when no external force is applied to the elastic grounding structure, the elastic grounding structure blocks the opening of the front insertion opening to prevent dust from entering the front insertion opening. And when an external plug is inserted into the front insertion port, the external plug is inserted into the front insertion port, and the elastic grounding structure is inverted by the external plug and is in contact with the grounding sheet, so that the purpose of grounding during plug-in connection is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of communication, in particular to an LC adapter with inner cover. Background Art

[0002] With the rapid development of science and technology, fiber optic adapters have been widely used in wired communication networks. When there is no plug in the network connector, dust is easy to enter the connector socket. Over time, too much dust is easy to affect the transmission quality of the signal during connection. In addition, the connector has higher requirements for anti-noise, anti-attenuation and anti-interference when it is in a high-frequency state. Most LC connectors are not equipped with grounding plates due to structural space limitations, or are equipped with grounding metal shells but the assembly is complicated and unstable, or the grounding effect is unstable. The present invention is committed to solving the above problems. Summary of the invention

[0003] In order to overcome the deficiencies of the prior art, the present invention provides an LC adapter with inner cover.

[0004] The technical solution adopted by the present invention to solve its technical problem is: it includes a frame sleeve and a grounding plate buckled with the frame sleeve, the frame sleeve is provided with a front insertion port, a rear insertion port, and a connecting part connecting the front insertion port and the rear insertion port, a plug core is installed in the connecting part, a through hole is provided at the bottom of the front insertion port, the grounding plate is buckled on the bottom of the front insertion port and covers the through hole, and an elastic grounding structure that can interfere with the grounding plate is installed at the opening of the front insertion port.

[0005] A further preferred solution is that the bottom of the front insertion port at the opening is provided with a frame strip connected to the through hole, the bottom of the front insertion port is provided with a concave step communicating with the through hole, the bottom of the front insertion port is provided with a rotating half-nest and a positioning protrusion, the rotating half-nest is arranged on the side of the concave step, the two inner side walls of the front insertion port are provided with oblique steps, and the frame strip is provided with a positioning through hole communicating with the concave step.

[0006] In a further preferred embodiment, the grounding plate covers the outer side of the through hole and is confined in the recessed step, the elastic grounding structure includes an inner cover, an arc-shaped spring piece fixedly clamped between the inner cover and the grounding plate, the inner cover is hinged to the rotating half socket, the head of the arc-shaped spring piece abuts against the inner cover, and in a relaxed state, the inner cover is stopped by the inclined step and covers the inner side of the front insertion port.

[0007] According to a further preferred embodiment, the inner cover includes an inner cover body, a rotating shaft fixedly connected to the inner cover body and protruding from both sides of the inner cover body, the rotating shaft is hinged to the rotating half socket, and the half side of the inner cover body close to the rotating shaft is provided with a protruding arc portion facing the inner side of the front insertion port, and the arc-shaped spring piece is in conflict with the side of the inner cover body facing the protruding arc portion.

[0008] According to a further preferred embodiment, the arc-shaped spring piece includes an arc-shaped main body and a positioning piece fixedly connected to one end of the arc-shaped main body, the arc-shaped main body is provided with a frame-shaped gap, the positioning piece is provided with a positioning arc having an arc connected to the rotating half-nest, the positioning arc is confined in the rotating half-nest, and the positioning arc is fixedly clamped between the grounding plate and the rotating shaft.

[0009] According to a further preferred embodiment, the grounding sheet comprises a grounding sheet main body buckled with the frame sleeve and a positioning portion fixedly connected to the grounding sheet main body, the grounding sheet main body covers the outer side of the recessed step, the positioning portion is provided with a clearance arc having the same arc as the positioning arc, the positioning portion is also provided with a positioning through hole for inserting, the bottom of the grounding sheet main body is provided with a positioning groove engaged with the positioning protrusion, and the bottom of the grounding sheet near the positioning portion is provided with a low-lying area.

[0010] According to a further preferred embodiment, the connecting portion includes a separation plate which is arranged between the front insertion port and the rear insertion port and separates the front insertion port from the rear insertion port, the separation plate is provided with a front core plug seat and a rear core plug seat which penetrate through the separation plate and extend at both ends into the front insertion port and the rear insertion port respectively, the interiors of the front core plug seat and the rear core plug seat are both hollow and communicated with each other, the rear core plug seat is provided as a hollow cylinder, the core is installed into the front core plug seat and the rear core plug seat, and the side wall of the rear core plug seat is provided with a notch.

[0011] The beneficial effect of the present invention is to provide an LC adapter with an inner cover, wherein the inner cover and the arc-shaped spring sheet are assembled into the frame sleeve, and then the grounding sheet is buckled with the frame sleeve to fix the inner cover and the arc-shaped spring sheet, which is simple to assemble and has a stable structure. The grounding sheet is buckled with the frame sleeve, and the grounding sheet covers the through hole, so that the grounding sheet does not occupy the space outside the frame sleeve, thereby achieving the purpose of effectively utilizing the space. When there is no external force, the elastic grounding structure blocks the opening of the front insertion port to prevent dust from entering the front insertion port, thereby ensuring better signal transmission quality during connection. When the external plug is inserted into the front insertion port, as the external plug is plugged into the front insertion port, the elastic grounding structure is inverted by the external plug and contacts the grounding sheet, thereby achieving the purpose of grounding during the plug-in connection of the present invention. The setting of the notch facilitates the opening of the hollow cylinder of the rear ferrule seat, increases its diameter, and facilitates the installation of the ferrule. After the ferrule is installed, the ferrule seat is loosened, the notch of the rear ferrule seat returns to its original shape, and the diameter decreases and returns to the original diameter, ensuring the stability of the ferrule installation in the front ferrule seat and the rear ferrule seat.

[0012] The invention has a simple and compact structure and is easy to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic structural diagram of the LC adapter with inner cover of the present invention.

[0014] Figure 2It is a schematic diagram of the exploded structure of the LC adapter with inner cover of the present invention.

[0015] Figure 3 It is a structural schematic diagram of the frame sleeve of the LC adapter with inner cover of the present invention.

[0016] Figure 4 It is a schematic structural diagram of the inner cover of the LC adapter with inner cover of the present invention.

[0017] Figure 5 It is a structural schematic diagram of the arc-shaped spring piece of the LC adapter with inner cover of the present invention.

[0018] Figure 6 It is a front structural schematic diagram of the grounding plate of the LC adapter with inner cover of the present invention.

[0019] Figure 7 It is a front structural schematic diagram of the frame sleeve of the LC adapter with inner cover of the present invention.

[0020] Figure 8 This Figure 7 AA cross-sectional structure schematic diagram.

[0021] Fig. 9 It is a schematic structural diagram of the frame sleeve of the LC adapter with inner cover in another direction of the present invention. DETAILED DESCRIPTION

[0022] The implementation modes of the present invention are described below in conjunction with the accompanying drawings and relevant embodiments. The implementation modes of the present invention are not limited to the following embodiments, and the present invention relates to relevant necessary components in the technical field, which should be regarded as the known technology in the technical field and can be known and mastered by the technical personnel in the technical field.

[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the invention product is usually placed when in use, 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 of the present invention. In addition, the terms "one", "two", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance. It should also be noted in the description of the present invention that, unless otherwise clearly specified and limited, the terms "set" 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 directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] Reference Figures 1 to 9 The present invention is implemented as follows: an LC adapter with inner cover comprises a frame sleeve 1, a grounding plate 2 buckled with the frame sleeve 1, the frame sleeve 1 is provided with a front insertion port 11, a rear insertion port 12, and a connecting portion 13 connecting the front insertion port 11 and the rear insertion port 12, a ferrule 5 is installed in the connecting portion 13, a through hole 111 is provided at the bottom of the front insertion port 11, the grounding plate 2 is buckled at the bottom of the front insertion port 11 and covers the through hole 111, and an elastic grounding structure 3 capable of contacting the grounding plate 2 is installed at the opening of the front insertion port 11.

[0025] In this embodiment, the grounding sheet 2 is buckled with the frame sleeve 1, and the grounding sheet 2 covers the through hole 111, so that the grounding sheet 2 does not occupy the space outside the frame sleeve 1, thereby achieving the purpose of effective use of space. When there is no external force, the elastic grounding structure 3 blocks the opening of the front insertion port 11 to prevent dust from entering the front insertion port 11, ensuring better signal transmission quality during connection. When the external plug is inserted into the front insertion port 11, as the external plug is inserted into the front insertion port 11, the elastic grounding structure 3 is inverted by the external plug and contacts the grounding sheet 2, thereby achieving the purpose of grounding during the plug-in connection of the present invention.

[0026] On the basis of the above embodiment, as a further preference, the bottom of the front insertion port 11 at the opening is provided with a frame strip 112 connected to the through hole 111, the bottom of the front insertion port 11 is provided with a concave step 113 communicating with the through hole 111, the concave step 113 partially extends to the frame strip 112, the bottom of the front insertion port 11 is provided with a rotating half-hole 114 and a positioning protrusion 115, the rotating half-hole 114 is arranged on the side of the concave step 113, the two inner side walls of the front insertion port 11 are provided with oblique step 116, and the frame strip 112 is provided with a positioning through hole 111 communicating with the concave step 113. When there is no external plug-in connection, the elastic grounding structure 3 prevents dust from entering the front insertion port 11.

[0027] The grounding plate 2 covers the outer side of the through hole 111 and is confined in the recessed step 113. The elastic grounding structure 3 includes an inner cover 31 and an arc-shaped spring piece 32 fixedly clamped between the inner cover 31 and the grounding plate 2. The inner cover 31 is hinged to the rotating half socket 114. The head of the arc-shaped spring piece 32 abuts against the inner cover 31. In a relaxed state, the inner cover 31 is stopped by the inclined step 116 and covers the inner side of the front insertion port 11.

[0028] The inner cover 31 includes an inner cover body 311, a rotating shaft 312 fixedly connected to the inner cover body 311 and protruding from both sides of the inner cover body 311, the rotating shaft 312 is hinged with the rotating half socket 114, the half side of the inner cover body 311 close to the rotating shaft 312 is provided with a protruding arc portion 3111 facing the inner side of the front insertion port 11, and the arc-shaped elastic piece 32 is in conflict with the side of the inner cover body 311 facing the protruding arc portion 3111. The arc-shaped elastic piece 32 includes an arc-shaped body 321, a positioning piece 322 fixedly connected to one end of the arc-shaped body 321, the arc-shaped body 321 is provided with a frame-shaped gap 323, the positioning piece 322 is provided with a positioning arc 324 with an arc communicating with the rotating half socket 114, the positioning arc 324 is limited in the rotating half socket 114, and the positioning arc 324 is fixedly clamped between the grounding plate 2 and the rotating shaft 312.

[0029] The grounding sheet 2 includes a grounding sheet main body 21 buckled with the frame sleeve 1 and a positioning portion 22 fixedly connected to the grounding sheet main body 21. The grounding sheet main body 21 covers the outer side of the recessed step 113. The positioning portion 22 is provided with a clearance arc 221 with the same arc as the positioning arc 324. The positioning portion 22 is also provided with a positioning through hole 111. The bottom of the grounding sheet main body 21 is provided with a positioning groove 211 engaged with the positioning protrusion 115. The bottom of the grounding sheet 2 is provided with a low-lying area 23 near the positioning portion 22.

[0030] When the inner cover 31 is assembled, the rotating shaft 312 of the inner cover 31 is hinged with the rotating half socket 114, the elastic grounding sheet 2 covers the outer side of the inner cover 31, and the inner cover body 311 is stopped by the inclined step 116 and covers the inner side of the front insertion port 11. Next, the arc-shaped spring sheet 32 ​​is assembled, the positioning sheet 322 of the arc-shaped spring sheet 32 ​​covers the part of the concave step 113 on the frame bar 112, and the positioning arc 324 covers the outer side of the rotating shaft 312 of the inner cover 31, and the frame-shaped gap corresponds to the protruding arc portion 3111. Next, the grounding sheet 2 is installed, the grounding sheet body 21 covers the outer side of the concave step 113 and covers the through hole 111, the positioning groove 211 at the bottom of the grounding sheet body 21 is engaged with the positioning protrusion 115, and the positioning portion 22 is inserted into the positioning through hole 111. After the grounding sheet 2 is installed, the grounding sheet 2 and the inner cover 31 define the arc-shaped spring sheet 32. The entire assembly is simple and convenient, and the overall structure is stable after assembly. When the external plug is inserted from the front insertion port 11, the external plug contacts the inner cover 31 to rotate around the rotating shaft 312, thereby pushing the arc-shaped spring piece 32 to rotate around the positioning piece 322 until the arc-shaped body 321 of the arc-shaped spring piece 32 contacts the low-lying area 23. The inner cover 31 and the arc-shaped spring piece 32 are both made of conductive materials. The external plug contacts the inner cover 31 and the arc-shaped spring piece 32 and then contacts the grounding plate 2 in a conductive manner, thereby achieving the purpose of grounding.

[0031] When there is no external plug connection, the inner cover 31 is pushed by the head of the arc-shaped spring piece 32 toward the opening of the front insertion port 11 until the inclined step 116 stops the inner cover 31 to prevent dust from entering the front insertion port 11.

[0032] On the basis of the above embodiment, as a further preference, the connecting portion 13 includes a separation plate 131 which is arranged between the front insertion port 11 and the rear insertion port 12 and separates the front insertion port 11 and the rear insertion port 12. The separation plate 131 is provided with a front core seat 132 and a rear core seat 133 which penetrate through the separation plate 131 and extend at both ends into the front insertion port 11 and the rear insertion port 12 respectively. The interiors of the front core seat 132 and the rear core seat 133 are both hollow and communicated. The rear core seat 133 is set as a hollow cylinder. The core 5 is installed into the front core seat 132 and the rear core seat 133. The side wall of the rear core seat 133 is provided with a notch 1331.

[0033] The setting of the notch 1331 facilitates the opening of the hollow cylinder of the rear core seat 133 and increases its diameter, which facilitates the installation of the core 5. After the core 5 is installed, the core 5 seat is loosened, and the notch 1331 of the rear core seat 133 returns to its original shape and the diameter decreases to return to the original diameter, ensuring the stability of the installation of the core 5 in the front core seat 132 and the rear core seat 133.

[0034] It should be noted that the embodiment of the present invention adopts four-link as an implementation description. In fact, the present invention can be made into any number of links such as single link, double link, triple link, etc. with the same structure.

[0035] It should be noted that for the preferred embodiments of the present invention, ordinary technicians in this technical field can make several improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. LC adapter with inner cover, characterized by The invention comprises a frame sleeve (1) and a grounding plate (2) buckled with the frame sleeve (1); the frame sleeve (1) is provided with a front insertion port (11), a rear insertion port (12), and a connecting portion (13) connecting the front insertion port (11) and the rear insertion port (12); a plug core (5) is installed in the connecting portion (13); a through hole (111) is provided at the bottom of the front insertion port (11); the grounding plate (2) is buckled with the bottom of the front insertion port (11) and covers the through hole (111); and an elastic grounding structure (3) capable of contacting the grounding plate (2) is installed at the opening of the front insertion port (11).

2. The LC adapter with inner cover as claimed in claim 1, characterized in that The bottom of the front insertion opening (11) at the opening is provided with a frame strip (112) connected to the through hole (111); the bottom of the front insertion opening (11) is provided with a concave step (113) communicating with the through hole (111); the bottom of the front insertion opening (11) is provided with a rotating half-hole (114) and a positioning protrusion (115); the rotating half-hole (114) is arranged on the side of the concave step (113); the two inner side walls of the front insertion opening (11) are provided with oblique step (116); and the frame strip (112) is provided with a positioning through hole (111) communicating with the concave step (113).

3. The LC adapter with inner cover as claimed in claim 2, characterized in that The grounding plate (2) covers the outer side of the through hole (111) and is confined within the recessed step (113); the elastic grounding structure (3) comprises an inner cover (31), an arc-shaped spring piece (32) fixedly clamped between the inner cover (31) and the grounding plate (2); the inner cover (31) is hingedly connected to the rotating half socket (114); the head of the arc-shaped spring piece (32) contacts the inner cover (31); in a relaxed state, the inner cover (31) is stopped by the oblique stop step (116) and covers the inner side of the front insertion port (11).

4. The LC adapter with inner cover as claimed in claim 3, characterized in that The inner cover (31) comprises an inner cover body (311), a rotation shaft (312) fixedly connected to the inner cover body (311) and protruding from two sides of the inner cover body (311), the rotation shaft (312) being hinged to the rotation half socket (114), and a protruding arc portion (3111) facing the inner side of the front insertion port (11) is provided on the half side of the inner cover body (311) close to the rotation shaft (312), and the arc-shaped spring piece (32) is in contact with the side surface of the inner cover body (311) facing the protruding arc portion (3111).

5. The LC adapter with inner cover as claimed in claim 4, characterized in that The arc-shaped spring piece (32) comprises an arc-shaped body (321), and a positioning piece (322) fixedly connected to one end of the arc-shaped body (321); the arc-shaped body (321) is provided with a frame-shaped gap (323); the positioning piece (322) is provided with a positioning arc (324) having an arc communicating with the rotating half socket (114); the positioning arc (324) is confined within the rotating half socket (114); and the positioning arc (324) is fixedly clamped between the grounding piece (2) and the rotating shaft (312).

6. The LC adapter with inner cover as claimed in claim 3, characterized in that The grounding plate (2) comprises a grounding plate body (21) buckled with the frame sleeve (1), and a positioning portion (22) fixedly connected to the grounding plate body (21); the grounding plate body (21) covers the outside of the recessed step (113); the positioning portion (22) is provided with a clearance arc (221) having the same arc as the positioning arc (324); the positioning portion (22) is further provided with a positioning groove (211) inserted into the positioning through hole (111); the bottom of the grounding plate body (21) is provided with a positioning groove (211) meshing with the positioning protrusion (115); and a depression (23) is provided at the bottom of the grounding plate (2) near the positioning portion (22).

7. The LC adapter with inner cover as claimed in claim 1, characterized in that The connecting portion (13) comprises a separation plate (131) which is arranged between the front insertion port (11) and the rear insertion port (12) and separates the front insertion port (11) and the rear insertion port (12); the separation plate (131) is provided with a front core plug seat (132) and a rear core plug seat (133) which penetrate through the separation plate and extend at both ends into the front insertion port (11) and the rear insertion port (12) respectively; the interiors of the front core plug seat (132) and the rear core plug seat (133) are both hollow and communicated; the rear core plug seat (133) is arranged as a hollow cylinder; the core plug (5) is installed into the front core plug seat (132) and the rear core plug seat (133); and the side wall of the rear core plug seat (133) is provided with a notch (1331).

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