Single-mode optical fiber connector

Abstract

The utility model provides a single-mode optical fiber connector which comprises a fixed seat and a supporting seat, a connecting seat is fixedly arranged on the fixed seat, an arc-shaped block is fixed on the connecting seat, a limiting groove is formed between the arc-shaped block and the connecting seat, a fixed pipe is arranged on the supporting seat, a movable pipe is arranged on the fixed pipe in a sliding mode, and the movable pipe is connected with the arc-shaped block. A cavity is formed between the interior of the fixing pipe and the fixing column, and an open hole is formed in the fixing column. The optical fiber splice tray is simple in structure, convenient to fix and disassemble, convenient to use, and capable of effectively avoiding damage to optical fibers caused by rotation between the connecting seat and the fixing pipe, and protecting equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of connectors, in particular to a single-mode optical fiber connector. Background Art

[0002] Connectors are classified by connection method: threaded connection, bayonet connection, lock connection, push-pull connection, direct plug-in connection, etc.

[0003] The prior art has the following defects:

[0004] 1. Comparative document CN211505965U discloses a high-speed single-mode optical fiber connector, and the protected claim is: "It includes a male connector body, a female connector body and a threaded sleeve; the utility model is reasonably designed in structure. When working, the male connector body is held and inserted into the female connector body to close it. The anti-slip push-pull block saves effort and prevents slipping, so that the insulating block is inserted into the insulating sleeve seat to avoid bending and breaking the pin, and the insulation is good. The pin is inserted into the syringe to complete the connection of the line. Under the action of the sealing rubber ring, it is dustproof and waterproof, and the sealing is excellent. Then, by toggling the anti-slip strip, the The threaded sleeve rotates and moves downward, thereby driving the spring sheet from being bent to being straight, so that the positioning block penetrates the through slot and engages the positioning hole, thereby making the connection firm, avoiding the disconnection of the connector due to pulling the cable and collision, affecting the operation of the equipment, and having excellent stability. The first and second external rubbers can prevent the cable from being bent and causing the internal part to be exposed, and the service life is longer. "Although the device can prevent the disconnection of the connector, the position of the connector interface cannot be shielded and sealed when in use, and water can easily enter through the gap to damage the internal equipment, which is inconvenient when in use.

[0005] Therefore, there is an urgent need for a single-mode optical fiber connector to solve the above problems. Summary of the invention

[0006] The purpose of the utility model is to overcome the above-mentioned shortcomings and provide a single-mode optical fiber connector to solve the problems raised in the background technology.

[0007] In order to solve the above technical problems, the utility model adopts the following technical solutions: a single-mode optical fiber connector, comprising a fixed seat and a supporting seat, a connecting seat is fixedly arranged on the fixed seat, an arc block is fixed on the connecting seat, a limiting groove is provided between the arc block and the connecting seat, a fixed tube is provided on the supporting seat, a movable tube is slidably provided on the fixed tube, a cavity is provided between the interior of the fixed tube and the fixed column, and an opening is provided inside the fixed column.

[0008] Preferably, an annular groove is formed on the inner wall of the fixing tube, a limiting block is fixed on the inner wall of the annular groove, and the limiting block is movably installed inside the limiting groove.

[0009] Preferably, a support tube is fixed inside the connection seat, an insertion pin is fixed inside the support tube, and the insertion pin is movably installed inside the opening.

[0010] Preferably, the fixing column is movably installed inside the supporting tube, the supporting tube and the fixing column are both made of insulating materials, and optical fibers are fixedly installed on one side of the supporting seat and the fixing seat.

[0011] Preferably, a sliding block is fixed on the inner wall of the movable tube, a sliding groove is provided on the fixed tube, and the sliding block is movably engaged in the sliding groove.

[0012] Preferably, the side surface of the sliding block is connected to one end of a return spring, and the other end of the return spring is fixed to the inner wall of the sliding groove.

[0013] The utility model has the following beneficial effects:

[0014] 1. When the utility model is in use, the movable tube is moved on the fixed tube, and the fixed seat is wrapped after the movement, and the gap between the fixed seat and the fixed tube is blocked after the wrapping, so as to prevent water from entering the interior of the equipment through the gap and causing damage;

[0015] 2. The utility model installs the connection seat inside the fixed tube, the arc block enters the ring groove to realize the rapid connection and installation of the equipment, and the limit block enters between the arc blocks, thereby avoiding damage to the optical fiber caused by rotation between the connection seat and the fixed tube, and protecting the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the structure of the arc block and the annular groove after installation of the utility model;

[0018] Figure 3 This is a schematic diagram of the side structure of the connecting seat of the utility model;

[0019] Figure 4 It is a schematic diagram of the structure of the movable tube and the fixed seat of the utility model;

[0020] In the figure: 1. fixing seat; 2. connecting seat; 3. arc block; 4. limiting groove; 5. supporting seat; 6. fixing tube; 7. movable tube; 8. cavity; 9. fixing column; 10. opening; 11. optical fiber; 12. slide groove; 13. slider; 14. annular groove; 15. limiting block; 16. supporting tube; 17. pin; 18. reset mechanism. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0022] See also Figures 1 to 4 A single-mode optical fiber connector includes a fixed seat 1 and a support seat 5, wherein a connection seat 2 is fixedly arranged on the fixed seat 1, an arc block 3 is fixed on the connection seat 2, a limiting groove 4 is provided between the arc block 3 and the connection seat 2, a fixed tube 6 is provided on the support seat 5, a movable tube 7 is slidably provided on the fixed tube 6, a cavity 8 is provided between the interior of the fixed tube 6 and a fixed column 9, and an opening 10 is provided inside the fixed column 9. When in use, the movable tube 7 is moved on the fixed tube, and the fixed seat 1 is wrapped after the movement, and the gap between the fixed seat 1 and the fixed tube 6 is blocked after the wrapping to prevent water from entering the interior of the device through the gap and causing damage.

[0023] Preferably, the inner wall of the fixing tube 6 is provided with an annular groove 14, and a limiting block 15 is fixed on the inner wall of the annular groove 14, and the limiting block 15 is movably installed inside the limiting groove 4. After the limiting block 15 is installed inside the limiting groove 4, the limiting block 15 limits and fixes the arc block 3 to prevent the connecting seat 2 from rotating inside the fixing tube 6.

[0024] Preferably, a support tube 16 is fixed inside the connection base 2 , a plug pin 17 is fixed inside the support tube 16 , and the plug pin 17 is movably installed inside the opening 10 .

[0025] Preferably, the fixing column 9 is movably installed inside the support tube 16 , the support tube 16 and the fixing column 9 are both made of insulating materials, and the optical fiber 11 is fixedly installed on one side of the support seat 5 and the fixing seat 1 .

[0026] Preferably, a slider 13 is fixed on the inner wall of the movable tube 7, a slide groove 12 is opened on the fixed tube 6, and the slider 13 is movably engaged in the slide groove 12. After the movable tube 7 is returned to its position, it wraps and fixes the fixed seat 1, and the movable tube 7 seals the gap between the connecting seat 2 and the fixed tube 6 to prevent damage caused by external water easily entering the gap.

[0027] Preferably, the side of the slider 13 is connected to one end of a return spring 18, and the other end of the return spring 18 is fixed to the inner wall of the slide groove 12. The spring pushes the movable tube 7 on the slider 13 into the fixed seat 1 to block and seal the gap at the connection between the fixed seat 1 and the fixed tube 6.

[0028] The working principle of this embodiment is as follows:

[0029] When the utility model is in use, the movable tube 7 is moved on the fixed tube 6, and one end of the cavity 8 is exposed after the movement. After the cavity 8 is exposed, the connecting seat 2 is installed inside the cavity 8. When installing, the support tube 16 is installed on the fixed column 9, and the pin 17 enters the inside of the opening 10 to achieve the connection between the optical fibers 11. When the connecting seat 2 is installed, the arc block 3 is installed on both sides of the limit block 15, and the arc block 3 enters the inside of the annular groove 14 for limit fixing. The limit block 15 stays inside the limit groove 4 between the arc blocks 3. Through the limit block 15 and The arc block 3 realizes dual limit fixation of the fixed tube 6 and the connecting seat 2. After the connecting seat 2 is installed, the limit block 15 limits the arc block 3 to prevent the connecting seat 2 from rotating inside the fixed tube 6 at a later time. After the connecting seat 2 and the fixed tube 6 are connected, the movable tube 7 is released, and the movable tube 7 returns to its position through the tension generated by the reset mechanism 18. After the movable tube 7 returns to its position, it wraps and fixes the fixed seat 1. The movable tube 7 seals the gap between the connecting seat 2 and the fixed tube 6 to prevent external water from easily entering the gap and causing damage.

[0030] The above embodiments are only preferred technical solutions of the present invention and should not be regarded as limitations of the present invention. The protection scope of the present invention shall be the technical solutions recorded in the claims, including equivalent replacement solutions of the technical features in the technical solutions recorded in the claims. That is, equivalent replacement improvements within this scope are also within the protection scope of the present invention.

Claims

1. A single-mode optical fiber connector, comprising a fixing seat (1) and a supporting seat (5), characterized in that: A connecting seat (2) is fixedly arranged on the fixing seat (1), an arc block (3) is fixed on the connecting seat (2), a limiting groove (4) is provided between the arc block (3) and the connecting seat (2), a fixing tube (6) is provided on the supporting seat (5), a movable tube (7) is slidably arranged on the fixing tube (6), a cavity (8) is provided between the interior of the fixing tube (6) and the fixing column (9), and an opening (10) is provided inside the fixing column (9).

2. A single-mode optical fiber connector according to claim 1, characterized in that: The inner wall of the fixed tube (6) is provided with an annular groove (14), and a limiting block (15) is fixed on the inner wall of the annular groove (14). The limiting block (15) is movably mounted inside the limiting groove (4).

3. A single-mode optical fiber connector according to claim 1, characterized in that: A support tube (16) is fixed inside the connection seat (2), a plug pin (17) is fixed inside the support tube (16), and the plug pin (17) is movably mounted inside the opening (10).

4. A single-mode optical fiber connector according to claim 1, characterized in that: The fixing column (9) is movably mounted inside the support tube (16); the support tube (16) and the fixing column (9) are both made of insulating materials; and an optical fiber (11) is fixedly mounted on one side of the support seat (5) and the fixing seat (1).

5. The single-mode optical fiber connector according to claim 1, characterized in that: A sliding block (13) is fixed on the inner wall of the movable tube (7), a sliding groove (12) is formed on the fixed tube (6), and the sliding block (13) is movably engaged in the interior of the sliding groove (12).

6. A single-mode optical fiber connector according to claim 5, characterized in that: The side surface of the slider (13) is connected to one end of a return spring (18), and the other end of the return spring (18) is fixed to the inner wall of the slide groove (12).

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