Welding type optical fiber quick connector

Abstract

The utility model discloses a fusion splicing type optical fiber quick connector, and belongs to the field of optical fiber connectors, the fusion splicing type optical fiber quick connector comprises a fixed shell, the bottom of the fixed shell is slidably connected with a lower shell, a connecting mechanism is arranged between the lower shell and the fixed shell, an insertion core body is arranged in the fixed shell, one side of the insertion core body is provided with an embedded optical fiber, and the embedded optical fiber is connected with the lower shell. A field optical cable is arranged on the side, away from the insertion core body, of the pre-embedded optical fiber, a movable plate, a second spring and a semicircular sponge mat are arranged, the movable plate is supported through the second spring, then the field optical cable is supported through the semicircular sponge mat on the surface of the movable plate, and when the field optical cable is bent by a large angle, the field optical cable can be fixed. When the optical fiber is bent by a large angle, the semicircular sponge pad is extruded to be deformed, the bending angle of the on-site optical cable is reduced, the problem that the optical fiber is easy to damage due to the fact that the optical fiber cannot be protected when the optical fiber is bent by a large angle by a traditional optical fiber connector is solved, and the practicability is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of optical fiber connectors, in particular to a fusion type optical fiber quick connector. BACKGROUND

[0002] Optical fiber is the abbreviation of optical waveguide fiber, which is a fiber made of glass or plastic and can be used as an optical transmission tool. An optical fiber connector is a device for detachable connection between optical fibers, which precisely connects two end faces of optical fibers.

[0003] At present, when connecting optical cables, the traditional optical fiber connector may bend the optical fiber at a large angle. However, the traditional optical fiber connector cannot protect the optical fiber when the optical fiber is bent at a large angle, which may cause damage to the optical fiber. CONTENT OF THE INVENTION

[0004] In view of the deficiencies of the prior art, the present application provides a fusion type optical fiber quick connector, which overcomes the deficiencies of the prior art and aims to solve the problems in the background art.

[0005] In order to achieve the above-mentioned purpose, the following technical scheme is adopted: a fusion type optical fiber quick connector, comprising a fixed shell, a lower shell body is slidably connected to the bottom of the fixed shell, a connecting mechanism is arranged between the lower shell body and the fixed shell, a ferrule core body is arranged in the fixed shell, a pre-buried optical fiber is arranged on one side of the ferrule core body, a field optical cable is arranged on the side of the pre-buried optical fiber away from the ferrule core body, a heat shrink tube is arranged on the outside of the field optical cable and the pre-buried optical fiber, the field optical cable is arranged in the inside of the lower shell body, a positioning mechanism is arranged on one side of the field optical cable, an anti-bending mechanism is arranged in the inside of the lower shell body, the anti-bending mechanism comprises a second spring, the second spring is fixedly connected to the lower shell body, a moving plate is fixedly connected to one side of the second spring, the moving plate is slidably connected to the lower shell body, and a semicircular sponge pad is fixedly connected to the side of the moving plate away from the second spring.

[0006] As a preferred embodiment, a sealing ring is arranged at the connection between the fixed shell and the lower shell body.

[0007] By arranging a sealing ring at the connection between the fixed shell and the lower shell body, and by the sealing ring strengthening the sealing between the fixed shell and the lower shell body, the sealing between the fixed shell and the lower shell body can be better strengthened.

[0008] As a preferred embodiment, the connecting mechanism comprises a connecting block, the connecting block is fixedly connected to the fixed shell, a positioning block is slidably connected to the outside of the connecting block, the positioning block is fixedly connected to the lower shell body, a first spring is fixedly connected to the inside of the connecting block, a plug rod is fixedly connected to one side of the first spring, and the plug rod is slidably connected to the connecting block.

[0009] By adopting the technical scheme, the connecting block on the surface of the fixed shell is inserted into the positioning block on the surface of the lower shell body to connect the lower shell body and the fixed shell, the connecting block is positioned by the spring and the inserting rod, the lower shell body and the fixed shell are disconnected by pressing the inserting rod into the connecting block, and the lower shell body and the fixed shell can be better connected.

[0010] As a preferred implementation form, the positioning mechanism comprises a rotating rod, the rotating rod is in threaded connection with the lower shell body, one side of the rotating rod is fixedly connected with a rotating disc, and the side, away from the rotating disc, of the rotating rod is fixedly connected with a moving frame, and the moving frame is in sliding connection with the lower shell body.

[0011] By adopting the technical scheme, the rotating disc is rotated to drive the rotating rod to rotate, the moving frame is moved in the lower shell body by the rotating rod, and the field optical cable is positioned by the moving frame abutting against the surface of the field optical cable, so that the lower shell body can be better fixed on the surface of the field optical cable.

[0012] As a preferred implementation form, a sliding groove is formed in the surface of the lower shell body, and the sliding groove is matched with the moving frame.

[0013] By adopting the technical scheme, the sliding groove is formed in the surface of the lower shell body, and the moving frame is limited by the sliding groove to prevent the moving frame from rotating with the rotating rod, so that the moving frame can better move in the lower shell body.

[0014] As a preferred implementation form, a rubber pad is fixedly connected to the side, close to the field optical cable, of the moving frame.

[0015] By adopting the technical scheme, the rubber pad is fixedly connected to the side, close to the field optical cable, of the moving frame, and the rubber pad prevents the moving frame from scratching the surface of the field optical cable, so that the field optical cable can be better protected.

[0016] The application has the following beneficial effects:

[0017] 1. The fusion splice optical fiber quick connector is provided with a moving plate, a spring two and a semicircular sponge pad, the moving plate is supported by the spring two, and the semicircular sponge pad on the surface of the moving plate supports the field optical cable, when the field optical cable is bent at a large angle, the semicircular sponge pad is deformed by being pressed to reduce the bending angle of the field optical cable, the traditional optical fiber connector cannot protect the optical fiber when the optical fiber is bent at a large angle, and the optical fiber is prone to damage, and the practicability is improved.

[0018] 2. The welded optical fiber quick connector, by setting the connecting block, the positioning block, the insertion rod and the spring one, by inserting the connecting block on the surface of the fixed shell into the positioning block on the surface of the lower shell, the lower shell and the fixed shell are connected, and then the insertion rod is supported by the spring one, and then the insertion rod is inserted into the inside of the positioning block to position the connecting block, when the connection between the lower shell and the fixed shell needs to be released, press the insertion rod to make the insertion rod enter the inside of the connecting block, so that the connection between the lower shell and the fixed shell can be released, avoiding the problem that the traditional optical fiber connector cannot quickly connect the lower shell and the fixed shell, and improving the practicality. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front structure schematic view of the present application;

[0020] Figure 2 It is a front structure sectional view of the present application;

[0021] Figure 3 It is a connection mechanism structure schematic view of the present application;

[0022] Figure 4 It is a bending prevention mechanism structure schematic view of the present application.

[0023] Marked number in the figure: 1, fixed shell; 2, connection mechanism; 21, connecting block; 22, positioning block; 23, insertion rod; 24, spring one; 3, positioning mechanism; 31, rotating disc; 32, rotating rod; 33, moving frame; 4, bending prevention mechanism; 41, moving plate; 42, spring two; 43, semicircular sponge pad; 5, lower shell; 6, field optical cable; 7, embedded optical fiber; 8, heat shrink tube; 9, ferrule core; 10, sealing ring; 11, sliding groove. DETAILED DESCRIPTION

[0024] 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, not all the embodiments.

[0025] Referring to Figures 1-2 A welded optical fiber quick connector, comprising a fixed shell 1, a lower shell 5 is slidably connected to the bottom of the fixed shell 1, and a sealing ring 10 is arranged at the connection between the fixed shell 1 and the lower shell 5; the sealing ring 10 is arranged at the connection between the fixed shell 1 and the lower shell 5, and then the sealing ring 10 strengthens the sealing between the fixed shell 1 and the lower shell 5, which can better strengthen the sealing between the fixed shell 1 and the lower shell 5.

[0026] Referring to Figures 1-3The connecting mechanism 2 is arranged between the lower shell 5 and the fixed shell 1, and comprises a connecting block 21 fixedly connected with the fixed shell 1, a positioning block 22 slidably connected with the outer portion of the connecting block 21 and fixedly connected with the lower shell 5, a spring 24 fixedly connected with the inner portion of the connecting block 21, and a plug rod 23 fixedly connected with one side of the spring 24 and slidably connected with the connecting block 21. The connecting block 21 on the surface of the fixed shell 1 is inserted into the positioning block 22 on the surface of the lower shell 5, the lower shell 5 and the fixed shell 1 are connected, the plug rod 23 is supported by the spring 24, the plug rod 23 is inserted into the positioning block 22, and the connecting block 21 is positioned. When the connection between the lower shell 5 and the fixed shell 1 needs to be released, the plug rod 23 is pressed to enter the inner portion of the connecting block 21, so that the connection between the lower shell 5 and the fixed shell 1 is released, and the lower shell 5 and the fixed shell 1 can be better connected.

[0027] With reference to Figures 1-4 The inner portion of the fixed shell 1 is provided with an insertion core body 9, one side of the insertion core body 9 is provided with a pre-buried optical fiber 7, the side, away from the insertion core body 9, of the pre-buried optical fiber 7 is provided with a field optical cable 6, the outer portion of the field optical cable 6 and the pre-buried optical fiber 7 is provided with a heat shrink tube 8, the field optical cable 6 is arranged in the inner portion of the lower shell 5, one side of the field optical cable 6 is provided with a positioning mechanism 3, the positioning mechanism 3 comprises a rotating rod 32, the rotating rod 32 is threadedly connected with the lower shell 5, one side of the rotating rod 32 is fixedly connected with a rotating disc 31, the side, away from the rotating disc 31, of the rotating rod 32 is fixedly connected with a moving frame 33, and the moving frame 33 is slidably connected with the lower shell 5. The rotating disc 31 is rotated to drive the rotating rod 32 to rotate, the moving frame 33 is moved in the inner portion of the lower shell 5 by the rotating rod 32, and the surface of the field optical cable 6 is abutted by the moving frame 33 to position the field optical cable 6, so that the lower shell 5 can be better fixed on the surface of the field optical cable 6.

[0028] With reference to Figure 4 The inner portion of the lower shell 5 is provided with a bending prevention mechanism 4, the bending prevention mechanism 4 comprises a spring 42 fixedly connected with the lower shell 5, one side of the spring 42 is fixedly connected with a moving plate 41, the moving plate 41 is slidably connected with the lower shell 5, and the side, away from the spring 42, of the moving plate 41 is fixedly connected with a semicircular sponge pad 43.

[0029] With reference to Figure 4 The surface of the lower shell 5 is provided with a sliding groove 11 matched with the moving frame 33. The sliding groove 11 is arranged on the surface of the lower shell 5 to limit the moving frame 33, so that the moving frame 33 is prevented from rotating with the rotating rod 32, and the moving frame 33 can better move in the inner portion of the lower shell 5.

[0030] With reference to Figure 4The rubber pad is fixedly connected to one side of the moving frame 33 close to the field optical cable 6, and the rubber pad prevents the moving frame 33 from scratching the surface of the field optical cable 6, so that the field optical cable 6 can be better protected.

[0031] Working principle: the field optical cable 6 is inserted into the lower shell 5, and then the field optical cable 6 is fused with the embedded optical fiber 7 and protected by the heat shrink tube 8; then the connecting block 21 on the surface of the fixed shell 1 is inserted into the positioning block 22 on the surface of the lower shell 5 to connect the lower shell 5 and the fixed shell 1; then the insertion rod 23 is supported by the spring 24; then the insertion rod 23 is inserted into the positioning block 22 to position the connecting block 21; when the connection between the lower shell 5 and the fixed shell 1 needs to be released, the insertion rod 23 is pressed to make the insertion rod 23 enter the inside of the connecting block 21, so that the connection between the lower shell 5 and the fixed shell 1 is released; then the rotating rod 32 is rotated by rotating the rotating disc 31; then the moving frame 33 is moved in the lower shell 5 by the rotating rod 32; then the field optical cable 6 is positioned by the moving frame 33; then the moving plate 41 is supported by the spring 42; and then the field optical cable 6 is supported by the semicircular sponge pad 43 on the surface of the moving plate 41; when the field optical cable 6 is bent at a large angle, the semicircular sponge pad 43 is pressed to deform, so that the bending angle of the field optical cable 6 is reduced.

[0032] In the description of the present application, it should be pointed out that the positions or position relationships indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end" and "the other end" are based on the positions or position relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as limiting the application. The application must have a specific orientation, construction and operation, and therefore cannot be understood as limiting the application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0033] In the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "installation", "provided with", "connection" and the like should be understood in a broad sense, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium; can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the present application can be understood according to the specific situation.

[0034] The utility model is described above in combination with specific implementation manners, but the person skilled in the art should be clear that these descriptions are exemplary, and are not the limitation of the protection scope of the utility model. The person skilled in the art can make various modifications and modifications to the utility model according to the spirit and principle of the utility model, and these modifications and modifications are also within the scope of the utility model.

Claims

1. A fusion splicing fiber optic quick connector, comprising a fixing shell (1), characterized in that, The bottom of the fixed shell (1) is slidably connected to the lower shell (5). A connecting mechanism (2) is provided between the lower shell (5) and the fixed shell (1). The fixed shell (1) is provided with a ferrule core (9). A pre-embedded optical fiber (7) is provided on one side of the ferrule core (9). A field optical cable (6) is provided on the side of the pre-embedded optical fiber (7) away from the ferrule core (9). A heat shrink tubing (8) is provided on the outside of the field optical cable (6) and the pre-embedded optical fiber (7). The field optical cable (6) is installed in the lower shell (5). Inside the field optical cable (6), a positioning mechanism (3) is provided on one side, and an anti-bending mechanism (4) is provided inside the lower housing (5). The anti-bending mechanism (4) includes a second spring (42), which is fixedly connected to the lower housing (5). A moving plate (41) is fixedly connected to one side of the second spring (42), and the moving plate (41) is slidably connected to the lower housing (5). A semi-circular sponge pad (43) is fixedly connected to the side of the moving plate (41) away from the second spring (42).

2. The fusion splicing fiber optic quick connector according to claim 1, characterized in that, A sealing ring (10) is provided at the connection between the fixed shell (1) and the lower shell (5).

3. The fusion splicing fiber optic quick connector according to claim 1, characterized in that, The connecting mechanism (2) includes a connecting block (21), which is fixedly connected to the fixed shell (1). A positioning block (22) is slidably connected to the outside of the connecting block (21). The positioning block (22) is fixedly connected to the lower shell (5). A spring (24) is fixedly connected inside the connecting block (21). A plug rod (23) is fixedly connected to one side of the spring (24). The plug rod (23) is slidably connected to the connecting block (21).

4. The fusion splicing fiber optic quick connector according to claim 1, characterized in that, The positioning mechanism (3) includes a rotating rod (32), which is threadedly connected to the lower housing (5). A turntable (31) is fixedly connected to one side of the rotating rod (32), and a movable frame (33) is fixedly connected to the side of the rotating rod (32) away from the turntable (31). The movable frame (33) is slidably connected to the lower housing (5).

5. A fusion splicing fiber optic quick connector according to claim 4, characterized in that, The surface of the lower housing (5) is provided with a sliding groove (11), which is adapted to the movable frame (33).

6. A fusion splicing fiber optic quick connector according to claim 4, characterized in that, A rubber pad is fixedly connected to the side of the mobile frame (33) near the field optical cable (6).

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