Optical fiber adapter

Abstract

The optical fiber adapter comprises a combination body, an LC dustproof cap, an SC dustproof cap and a ceramic tube, one end of the combination body is provided with an LC cavity, the other end of the combination body is provided with an SC cavity, the bottom surface of the LC cavity is provided with an LC sleeve, the LC sleeve is communicated with the SC cavity, one end of the LC dustproof cap is sleeved on the peripheral wall of the LC sleeve, one end of the SC dustproof cap is inserted into the SC cavity, and the other end of the SC dustproof cap is connected with the ceramic tube. The end, close to the LC cavity, of the SC dustproof cap is connected with a clamping base in a clamped mode, positioning blocks are arranged on the two sides of the clamping base, the clamping base is fixed to the inner wall of the SC cavity through the positioning blocks, an SC sleeve is arranged at the position, corresponding to the LC sleeve, of the clamping base, the SC sleeve is inserted into the SC dustproof cap, one end of the ceramic tube is inserted into the SC sleeve, and the other end of the ceramic tube is inserted into the LC sleeve. According to the optical fiber adapter provided by the utility model, welding and rivet crimping are not needed in product assembly, the product assembly process is simplified, the product assembly time is shortened, the product production efficiency is improved, and the product appearance is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of optical fiber adapters, in particular to an optical fiber adapter. Background Art

[0002] The LC end and SC end of the existing SC-LC fiber optic adapter are separated, and the two ends are usually connected by welding (ultrasonic welding when the two ends are plastic parts) or riveting. However, both welding and riveting have disadvantages. Ultrasonic welding has low production efficiency, takes too long to produce, and has poor welding appearance. When rivet crimping, there are disadvantages such as crimping damage and poor appearance. Utility Model Content

[0003] The purpose of the utility model is to provide an optical fiber adapter, which does not require welding and rivet crimping during product assembly, simplifies the product assembly process, shortens the product assembly time, improves product production efficiency, and improves product appearance.

[0004] The technical solution adopted by a fiber optic adapter disclosed in the utility model is:

[0005] A fiber optic adapter comprises a combination body, an LC dust cap, an SC dust cap and a ceramic tube, wherein an LC cavity is provided at one end of the combination body, an SC cavity is provided at the other end of the combination body, an LC sleeve is provided on the bottom surface of the LC cavity, the LC sleeve is communicated with the SC cavity, one end of the LC dust cap is sleeved on the peripheral wall of the LC sleeve, one end of the SC dust cap is plugged into the interior of the SC cavity, a card seat is clamped at one end of the SC dust cap close to the LC cavity, positioning blocks are provided on both sides of the card seat, the card seat is fixed to the inner wall of the SC cavity through the positioning blocks, the card seat is provided with the SC sleeve at a position corresponding to the LC sleeve, the SC sleeve is plugged into the interior of the SC dust cap, one end of the ceramic tube is plugged into the interior of the SC sleeve, and the other end of the ceramic tube is plugged into the interior of the LC sleeve.

[0006] As a preferred solution, both sides of the SC dust cap are provided with card slots, and the card seat is provided with card hooks at positions corresponding to the card slots, and the card hooks are engaged with the card slots.

[0007] As a preferred solution, the SC dust cap is provided with a protrusion at a position corresponding to the card slot, the protrusion is arc-shaped, and the protrusion is located on a side of the card slot close to the card seat.

[0008] As a preferred solution, the positioning block is tilted toward the inner wall of the SC cavity, and the end of the positioning block close to the holder has a clearance fit with the inner wall of the SC cavity, and the end of the positioning block away from the holder has an interference fit with the inner wall of the SC cavity.

[0009] As a preferred solution, limit blocks are provided on both sides of the SC dust cap, and the side walls of the limit blocks are in contact with the inner wall of the SC cavity.

[0010] As a preferred solution, the LC dust cap is connected to the outer peripheral wall of the LC sleeve by interference fit.

[0011] As a preferred solution, it also includes a spring sheet, which is U-shaped and sleeved on the outer wall of the SC cavity. The outer wall of the SC cavity is provided with a positioning groove corresponding to the position of the spring sheet, and the positioning groove cooperates with the spring sheet.

[0012] As a preferred solution, long ears are provided on both sides of the combination body, and positioning holes are opened on the long ears.

[0013] The utility model discloses a fiber optic adapter with the following beneficial effects: the LC dust cap is sleeved on the LC sleeve inside the LC cavity of the combination body, the SC dust cap and the card seat are pre-installed first, the card seat is carded on the end of the SC dust cap, and the SC sleeve is plugged into the inside of the SC dust cap, and a ceramic tube is installed inside the SC sleeve, and then the assembled SC part is inserted into the SC cavity of the combination body, fixed by the positioning block on the card seat, and one end of the ceramic tube is correspondingly inserted into the LC sleeve, and the entire product assembly does not require welding and rivet crimping, which simplifies the product assembly process, shortens the product assembly time, improves the product production efficiency, and improves the product appearance. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a structural schematic diagram of an optical fiber adapter.

[0015] Figure 2 The utility model is an exploded view of an optical fiber adapter.

[0016] Figure 3 It is a cross-sectional view of an optical fiber adapter of the utility model.

[0017] Figure 4 It is a structural schematic diagram of another embodiment of an optical fiber adapter of the utility model.

[0018] 10. Combination; 11. LC cavity; 12. SC cavity; 13. LC sleeve; 14. Positioning groove; 15. Long ear; 16. Positioning hole; 20. LC dust cap; 30. SC dust cap; 31. Slot; 32. Protrusion; 33. Limit block; 40. Ceramic tube; 50. Holder; 51. Positioning block; 52. SC sleeve; 53. Hook; 60. Shrapnel. DETAILED DESCRIPTION

[0019] The present invention is further described and illustrated below in conjunction with specific embodiments and accompanying drawings:

[0020] Please refer to Figures 1 to 3 A fiber optic adapter includes a combination body 10, an LC dust cap 20, an SC dust cap 30 and a ceramic tube 40. An LC cavity 11 is provided at one end of the combination body 10, and an SC cavity 12 is provided at the other end of the combination body 10. An LC sleeve 13 is provided on the bottom surface of the LC cavity 11, and the LC sleeve 13 is connected to the SC cavity 12. One end of the LC dust cap 20 is sleeved on the peripheral wall of the LC sleeve 13, and the LC dust cap 20 is connected to the outer peripheral wall of the LC sleeve 13 by interference fit. The SC dust cap 30 is provided on the bottom surface of the LC cavity 11. The end is plugged into the interior of the SC cavity 12, the SC dust cap 30 is clamped with a socket 50 at one end close to the LC cavity 11, positioning blocks 51 are provided on both sides of the socket 50, the socket 50 is fixed to the inner wall of the SC cavity 12 through the positioning blocks 51, and an SC sleeve 52 is provided at the position of the socket 50 corresponding to the LC sleeve 13, the SC sleeve 52 is plugged into the interior of the SC dust cap 30, one end of the ceramic tube 40 is plugged into the interior of the SC sleeve 52, and the other end of the ceramic tube 40 is plugged into the interior of the LC sleeve 13.

[0021] In the above scheme, the LC dust cap 20 is sleeved on the LC sleeve 13 inside the LC cavity 11 of the combination 10, the SC dust cap 30 and the socket 50 are pre-installed first, the socket 50 is clamped on the end of the SC dust cap 30, and the SC sleeve 52 is inserted into the inside of the SC dust cap 30, and the ceramic tube 40 is installed inside the SC sleeve 52, and then the assembled SC part is inserted into the SC cavity 12 of the combination 10, and fixed by the positioning block 51 on the socket 50, and one end of the ceramic tube 40 is also correspondingly inserted into the LC sleeve 13. The entire product assembly does not require welding and rivet crimping, which simplifies the product assembly process, shortens the product assembly time, improves the product production efficiency, and improves the product appearance.

[0022] Please refer to Figure 2 and Figure 3 , both sides of the SC dust cap 30 are provided with a card slot 31, and the card holder 50 is provided with a card hook 53 at a position corresponding to the card slot 31, and the card hook 53 is engaged with the card slot 31. Further, the SC dust cap 30 is provided with a protrusion 32 at a position corresponding to the card slot 31, and the protrusion 32 is arc-shaped and is located on the side of the card slot 31 close to the card holder 50.

[0023] In the above scheme, during pre-installation, the holder 50 is installed on one end of the SC dust cap 30 through the cooperation between the hook 53 and the slot 31 , and the arc-shaped protrusion 32 is arranged to facilitate the hook 53 to be inserted into the slot 31 .

[0024] Please refer to Figure 3 The positioning block 51 is tilted toward the inner wall of the SC cavity 12, and the end of the positioning block 51 close to the holder 50 has a clearance fit with the inner wall of the SC cavity, and the end of the positioning block 51 away from the holder 50 has an interference fit with the inner wall of the SC cavity.

[0025] In the above scheme, there is a gap between the front end of the positioning block 51 and the inner wall of the SC cavity 12, which facilitates the insertion of the socket 50 and the SC dust cap 30 into the SC cavity 12 after pre-installation, and when inserted to the bottom of the SC cavity 12, it is fixed by the interference fit between the end of the positioning block 51 and the inner wall of the SC cavity 12.

[0026] Please refer to Figure 2 Limiting blocks 33 are provided on both sides of the SC dust cap 30 , and the side walls of the limiting blocks 33 are in contact with the inner wall of the SC cavity 12 .

[0027] In the above solution, when the SC dust cap 30 is inserted into the SC cavity 12, the side wall of the limiting block 33 fits with the inner wall of the SC cavity 12, which can limit the SC dust cap 30 and prevent it from loosening.

[0028] Please refer to Figure 1 and Figure 2 , and also includes a spring piece 60, which is U-shaped and sleeved on the outer wall of the SC cavity 12. The outer wall of the SC cavity 12 is provided with a positioning groove 14 corresponding to the position of the spring piece 60, and the positioning groove 14 cooperates with the spring piece 60.

[0029] In the above solution, the spring piece 60 is sleeved on the outer wall of the SC cavity 12 , and the positioning groove 14 is provided to facilitate the installation of the spring piece 60 .

[0030] Please refer to Figure 4 Long ears 15 are provided on both sides of the combination body 10, and positioning holes 16 are opened on the long ears 15.

[0031] In the above solution, long ears 15 are provided on both sides of the combination body 10, and positioning holes 16 are opened on the long ears 15 to facilitate the installation of the device.

[0032] The utility model provides an optical fiber adapter, wherein an LC dust cap is sleeved on an LC sleeve inside an LC cavity of a combination body, an SC dust cap and a card holder are pre-installed, the card holder is carded on the end of the SC dust cap, and the SC sleeve is plugged into the inside of the SC dust cap, a ceramic tube is installed inside the SC sleeve, and then the assembled SC part is inserted into the SC cavity of the combination body, fixed by a positioning block on the card holder, and one end of the ceramic tube is correspondingly inserted into the LC sleeve, the entire product assembly does not require welding and rivet crimping, simplifies the product assembly process, shortens the product assembly time, improves the product production efficiency, and improves the product appearance.

[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. An optical fiber adapter, characterized in that: The invention comprises a combination body, an LC dust cap, an SC dust cap and a ceramic tube. An LC cavity is provided at one end of the combination body, an SC cavity is provided at the other end of the combination body, an LC sleeve is provided on the bottom surface of the LC cavity, the LC sleeve is communicated with the SC cavity, one end of the LC dust cap is sleeved on the peripheral wall of the LC sleeve, one end of the SC dust cap is plugged into the interior of the SC cavity, a holder is clamped at one end of the SC dust cap close to the LC cavity, positioning blocks are provided on both sides of the holder, the holder is fixed to the inner wall of the SC cavity through the positioning blocks, an SC sleeve is provided at a position of the holder corresponding to the LC sleeve, the SC sleeve is plugged into the interior of the SC dust cap, one end of the ceramic tube is plugged into the interior of the SC sleeve, and the other end of the ceramic tube is plugged into the interior of the LC sleeve.

2. The optical fiber adapter according to claim 1, characterized in that: Both sides of the SC dust cap are provided with card slots, and the card seat is provided with card hooks at positions corresponding to the card slots, and the card hooks are engaged with the card slots.

3. The optical fiber adapter according to claim 2, characterized in that: The SC dust cap is provided with a protrusion at a position corresponding to the card slot, the protrusion is arc-shaped, and the protrusion is located on a side of the card slot close to the card seat.

4. The optical fiber adapter according to claim 1, characterized in that: The positioning block is tilted toward the inner wall of the SC cavity, and one end of the positioning block close to the holder has a clearance fit with the inner wall of the SC cavity, while the end of the positioning block away from the holder has an interference fit with the inner wall of the SC cavity.

5. The optical fiber adapter according to claim 1, characterized in that: Limit blocks are provided on both sides of the SC dust cap, and the side walls of the limit blocks are in contact with the inner wall of the SC cavity.

6. The optical fiber adapter according to claim 1, characterized in that: The LC dust cap is connected to the outer peripheral wall of the LC sleeve by interference fit.

7. The optical fiber adapter according to claim 1, characterized in that: It also includes a spring sheet, which is U-shaped and sleeved on the outer wall of the SC cavity. A positioning groove is opened on the outer wall of the SC cavity corresponding to the position of the spring sheet, and the positioning groove cooperates with the spring sheet.

8. The optical fiber adapter according to claim 1, characterized in that: Long ears are arranged on both sides of the combination body, and positioning holes are opened on the long ears.

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