Protection device of optical fiber connector

Abstract

A protection device of an optical fiber connector relates to the technical field of optical fiber connection, and comprises a body which is internally provided with a channel, and two ends of the body are respectively provided with an optical cable inlet and an optical cable outlet which are communicated with the channel, so that an optical cable enters the channel from the optical cable inlet and then penetrates out of the optical cable outlet; the sealing element is arranged at one end, close to the optical cable outlet, of the body and used for sealing a gap between the optical fiber connector and the optical fiber socket; the clamping piece is arranged on the body, and the clamping end of the clamping piece is clamped and fixed outside the optical fiber jack so as to realize the fixation between the body and the optical fiber equipment; and the fixing piece is arranged at one end, close to the optical cable inlet, of the body and used for fixing the part, extending into the body, of the optical cable. By adopting the above technical scheme, the gap between the optical fiber connector and the optical fiber jack is blocked by using the sealing member, the sealing performance between the optical fiber connector and the optical fiber jack is ensured, external water vapor is difficult to enter, and the stability between the optical fiber connector and the optical fiber jack is improved through the arrangement of the clamping member and the fixing member.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical fiber connection technical field, concretely relates to a protection device of optical fiber connector. BACKGROUND

[0002] In the optical fiber to the house network construction, usually need to connect the optical cable with optical modem, optical fiber transceiver, optical switch, etc.

[0003] However, because part optical fiber equipment is in outdoor, the tightness between optical cable plug and the socket on the equipment is poor, the water vapor in the outside is easy to enter, and simultaneously to guarantee the stability of the plug connection of optical cable plug and equipment socket, still need to use the fixed structure to fix the optical cable, increase the construction step and construction cost. UTILITY MODEL CONTENT

[0004] The utility model discloses a protection device of optical fiber connector.

[0005] The utility model discloses the technical scheme is: a protection device of optical fiber connector, be used for fixing optical cable in the optical fiber socket on optical fiber equipment, the end of optical cable is equipped with the optical fiber joint that cooperates with the optical fiber socket, and it includes:

[0006] The body is internally equipped with a passageway, and the both ends of the body are respectively equipped with an optical cable inlet and an optical cable outlet in communication with the passageway, so that the optical cable enters the passageway from the optical cable inlet and then passes out from the optical cable outlet;

[0007] The sealing element is arranged at one end of the body close to the optical cable outlet, and is used for closing the gap between the optical fiber joint and the optical fiber socket, so as to ensure the tightness between the optical fiber joint and the optical fiber socket;

[0008] The clamping piece is arranged on the body, and the clamping end of the clamping piece is clamped and fixed outside the optical fiber socket, so as to realize the fixation between the body and the optical fiber equipment; and

[0009] The fixing piece is arranged at one end of the body close to the optical cable inlet, and is used for fixing the part of the optical cable extending into the body.

[0010] Preferably, the sealing element includes a sealing rubber ring sleeved on the body, the sealing rubber ring is located at one end of the body close to the optical cable outlet, and a plurality of convex edges are arranged on the sealing rubber ring, and the plurality of convex edges are arranged along the circumferential direction of the sealing rubber ring.

[0011] Preferably, one side of the convex edge close to the optical cable outlet is provided with an inclined guide surface, and the guide surface is arranged in a circular arc transition mode.

[0012] Preferably, the body is provided with a first positioning protrusion and a second positioning protrusion, both of which are located at one end of the body close to the optical cable outlet, and the sealing rubber ring is provided with a first positioning groove and a second positioning groove which are matched with the first positioning protrusion and the second positioning protrusion respectively.

[0013] Preferably, the second positioning protrusion is provided with a plurality of clamping blocks, and the side of the clamping blocks away from the optical cable outlet is provided with a slope; and the second positioning groove is provided with a plurality of clamping grooves which are matched with the clamping blocks one by one.

[0014] Preferably, the fixing member comprises a threaded sleeve which is sleeved on the optical cable inlet of the body, an elastic clamping sleeve which is arranged in the threaded sleeve, and an abutting head which is arranged on the body and is used for abutting and matching with the elastic clamping sleeve; the optical cable inlet of the body is provided with an external thread which is threadedly matched with the threaded sleeve; the threaded sleeve is provided with a containing cavity; the elastic clamping sleeve is located in the containing cavity; the elastic clamping sleeve has a gap; the abutting head comprises a plug-in plug-in part and an abutting part which is used for abutting and matching with the elastic clamping sleeve; and when the threaded sleeve is tightened, the elastic clamping sleeve is tightened and the optical cable is fixed.

[0015] Preferably, the body is further provided with a protrusion which is used for clamping and matching with the inner wall of the optical fiber socket; the number of the protrusions is two; and the two protrusions are symmetrically arranged on the upper and lower sides of the optical cable outlet.

[0016] Preferably, the clamping member comprises a first clamping arm and a second clamping arm which are rotationally arranged on the body, two positioning grooves which are arranged on the first clamping arm and the second clamping arm, and an elastic member which is used for providing elastic force to the first clamping arm and the second clamping arm so that the first clamping arm and the second clamping arm can be stably clamped to the outside of the optical fiber socket; the first clamping arm and the second clamping arm are symmetrically arranged on the two sides of the body; the first clamping arm and the second clamping arm are buckled to the outside of the body; the middle parts of the first clamping arm and the second clamping arm are rotationally connected to the body; the two positioning grooves are respectively located on the opposite sides of the first clamping arm and the second clamping arm; the two positioning grooves are respectively located at one end of the first clamping arm and the second clamping arm close to the optical cable outlet; and the optical fiber socket is provided with a positioning block which is matched with the positioning grooves.

[0017] Preferably, the elastic member comprises two springs which are respectively located between the first clamping arm and the body and between the second clamping arm and the body; and the body is provided with a positioning column which is used for positioning the springs.

[0018] Preferably, the inner side of one end of the first clamping arm and the second clamping arm away from the positioning grooves is provided with an abutting block which is used for abutting the body.

[0019] After the above technical scheme is adopted, the present application has the following beneficial effects:

[0020] In use, first, the optical cable is inserted into the body from the optical fiber inlet on the body with the optical fiber joint, and the optical fiber joint is inserted into the optical fiber interface on the optical fiber equipment after passing through the channel in the body, and the gap between the optical fiber joint and the optical fiber interface is sealed by the sealing member, so that the sealing between the optical fiber joint and the optical fiber interface is ensured, the external water vapor is not easy to enter the optical fiber interface, the clamping member is clamped and fixed outside the optical fiber interface, so that the connection and fixation between the body and the optical fiber equipment are realized, and the part of the optical cable inserted into the body is fixed by the fixing member, so that the stability of the optical fiber joint and the optical fiber interface is ensured, the optical cable does not need to be fixed by using a fixing structure, the operation is simple and convenient, and the practicality is high. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0022] Figure 1 is a schematic view of the overall structure of the embodiment;

[0023] Figure 2 is a sectional view of the embodiment;

[0024] Figure 3 is an exploded view of the embodiment;

[0025] Figure 4 is Figure 3 partial view of the embodiment.

[0026] Marked: 1, the body; 11, the channel; 12, the optical cable inlet; 13, the optical cable outlet; 14, the protrusion; 2, the sealing member; 21, the sealing rubber ring; 22, the convex edge; 23, the first positioning convex edge; 24, the second positioning convex edge; 241, the clamping block; 25, the first positioning groove; 26, the second positioning groove; 261, the clamping groove; 3, the clamping member; 31, the first clamping arm; 32, the second clamping arm; 33, the positioning groove; 34, the spring; 35, the positioning column; 36, the abutting block; 4, the fixing member; 41, the threaded sleeve; 42, the elastic clamping sleeve; 43, the abutting head; 431, the insertion part; 432, the abutting part. DETAILED DESCRIPTION

[0027] The drawings of the embodiments of the present application will be described below. Figures 1-4The technical solutions in the embodiments of the present application are clearly and completely described, and obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] It should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "back", "side", "circumferential" and the like indicated in the present application indicate the orientation or positional relationship based on the orientation or positional relationship 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 indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the first, second, etc. words are only for distinguishing a plurality of components or structures with the same or similar structures, and do not represent a certain special limitation on the arrangement order or connection relationship.

[0029] The present embodiment relates to a protection device of an optical fiber connector, referring to Figures 1 to 4 which is used for fixing the optical cable in the optical fiber port (not shown in the figure) of the optical fiber equipment, and the end of the optical fiber is provided with an optical fiber joint (not shown in the figure) matched with the optical fiber port. The optical fiber connector comprises a body 1, the inside of the body 1 is provided with a channel 11, and the two ends of the body 1 are respectively provided with an optical cable inlet 12 and an optical cable outlet 13 communicated with the channel 11, so that the optical cable can enter the channel 11 in the body 1 from the optical cable inlet 12 and then pass out from the optical cable outlet 13. In addition, it should be noted that in the present embodiment, the cross section of the optical cable inlet 12 is circularly arranged, and the cross section of the optical cable outlet 13 is squarely arranged.

[0030] One end of the body 1 close to the optical cable outlet 13 is provided with a sealing element 2, which is used for plugging the gap between the optical fiber joint and the optical fiber port when the optical fiber joint is inserted into the optical fiber port, so as to ensure the sealing property between the optical fiber joint and the optical fiber port.

[0031] Specifically, the sealing element 2 comprises a sealing rubber ring 21 sleeved on the body 1, the sealing rubber ring 21 is located at one end of the body 1 close to the optical cable outlet 13, and a plurality of convex edges 22 are arranged on the sealing rubber ring 21, and the plurality of convex edges 22 are arranged along the circumferential direction of the sealing rubber ring 21. In the present embodiment, the number of convex edges 22 is three, and the three convex edges 22 are uniformly distributed on the outer side surface of the sealing rubber ring 21, and in other embodiments, the number of convex edges 22 can also be increased or decreased correspondingly, which is not limited here.

[0032] The gap between the optical fiber joint and the optical fiber socket is sealed by the sealing rubber ring 21, thereby ensuring the sealing between the optical fiber joint and the optical fiber socket, and preventing external water vapor from entering the optical fiber socket. The sealing effect of the gap between the optical fiber joint and the optical fiber socket is better due to the arrangement of the plurality of convex edges 22.

[0033] Further, the side of the convex edge 22 facing the optical cable outlet 13 is provided with an inclined guide surface, and the guide surface is arranged in a circular arc transition.

[0034] The arrangement of the guide surface enables the sealing rubber ring 21 to smoothly enter the optical fiber socket and seal the gap between the optical fiber joint and the optical fiber socket.

[0035] In addition, in order to realize the positioning and fixing of the sealing rubber ring 21, the body 1 is provided with a first positioning convex edge 23 and a second positioning convex edge 24, both of which are located at the end of the body 1 close to the optical cable outlet 13. The sealing rubber ring 21 is provided with a first positioning recess 25 and a second positioning recess 26 which cooperate with the first positioning convex edge 23 and the second positioning convex edge 24 respectively.

[0036] The cooperation between the first positioning convex edge 23 and the second positioning convex edge 24 and the first positioning recess 25 and the second positioning recess 26 realizes the positioning and fixing of the sealing rubber ring 21, so that the sealing rubber ring 21 is stably positioned on the body 1, thereby enabling the sealing rubber ring 21 to stably seal and block the gap between the optical fiber joint and the optical fiber socket.

[0037] Further, the second positioning convex edge 24 is further provided with a plurality of clamping blocks 241, which are uniformly distributed on the top and bottom side of the second positioning convex edge 24. The side of the clamping block 241 facing away from the optical cable outlet 13 is provided with an inclined surface, and the second positioning recess 26 is provided with a plurality of clamping grooves 261 which correspond to and cooperate with the plurality of clamping blocks 241.

[0038] The cooperation between the clamping block 241 and the clamping groove 261 makes the cooperation between the second positioning convex edge 24 and the second positioning recess 26 more close, thereby further improving the stability of the sealing rubber ring 21.

[0039] Further, in order to enable the body 1 to smoothly insert into the optical fiber socket, the body 1 is further provided with a protrusion 14 for clamping cooperation with the inner wall of the optical fiber socket. The number of protrusions 14 is two, and the two protrusions 14 are symmetrically arranged on the upper and lower sides of the optical cable outlet 13.

[0040] In addition, in order to ensure the stability of the connection between the body 1 and the optical fiber socket, the body 1 is further provided with a clamping piece 3, the clamping end of which is clamped and fixed to the outside of the optical fiber socket, so as to realize the fixed connection between the body 1 and the optical fiber device through the clamping piece 3.

[0041] Specifically, the clamping member 3 comprises a first clamping arm 31 and a second clamping arm 32 rotatably arranged on the body 1, two positioning grooves 33 arranged on the first clamping arm 31 and the second clamping arm 32, and an elastic member arranged between the first clamping arm 31 and the second clamping arm 32 and the body 1 to provide elastic force to the first clamping arm 31 and the second clamping arm 32, so that the first clamping arm 31 and the second clamping arm 32 can be stably clamped outside the fiber optic jack. The first clamping arm 31 and the second clamping arm 32 are symmetrically arranged on the two sides of the body 1, the first clamping arm 31 and the second clamping arm 32 are both buckled outside the body 1, and the two sides of the middle part of the first clamping arm 31 and the second clamping arm 32 are rotatably connected to the side wall of the body 1. In this embodiment, the first clamping arm 31 and the second clamping arm 32 are symmetrically arranged on the upper and lower sides of the body 1, and in other embodiments, the first clamping arm 31 and the second clamping arm 32 can also be arranged on the front and rear sides of the body 1, which is not limited here.

[0042] The first clamping arm 31 and the second clamping arm 32 have clamping ends and pressing ends. The clamping ends are located at one end of the first clamping arm 31 and the second clamping arm 32 close to the cable outlet 13, and the pressing ends are located at one end of the first clamping arm 31 and the second clamping arm 32 close to the cable inlet 12. The two positioning grooves 33 are respectively located on the opposite sides of the clamping ends of the first clamping arm 31 and the second clamping arm 32, and the upper and lower sides of the fiber optic jack can be provided with positioning blocks matched with the positioning grooves 33. In this embodiment, the number of positioning grooves 33 on the first clamping arm 31 and the second clamping arm 32 is three, and in other embodiments, the number of positioning grooves 33 can be increased or decreased according to actual conditions, which is not limited here.

[0043] Further, the elastic member comprises two springs 34 arranged between the first clamping arm 31 and the body 1 and between the second clamping arm 32 and the body 1 respectively. The body 1 is provided with a positioning column 35 for positioning the spring 34, and one end of the spring 34 is sleeved outside the positioning column 35, and the other end of the spring 34 abuts against the inner wall of the first clamping arm 31 or the second clamping arm 32.

[0044] By pressing the pressing part of the first clamping arm 31 and the second clamping arm 32, the clamping ends of the first clamping arm 31 and the second clamping arm 32 are moved away from each other, so that the first clamping arm 31 and the second clamping arm 32 are opened, and the first clamping arm 31 and the second clamping arm 32 are clamped on the two sides of the fiber optic jack respectively. At this time, through the cooperation of the positioning grooves 33 and the positioning blocks, and the spring 34 continuously provides elastic force to the first clamping arm 31 and the second clamping arm 32, so that the first clamping arm 31 and the second clamping arm 32 can be stably clamped outside the fiber optic jack, thereby improving the stability of the connection between the body 1 and the fiber optic jack, and enabling the fiber optic connector to be stably matched with the fiber optic jack, and ensuring the stability of optical transmission.

[0045] In addition, the first clamping arm 31 and the second clamping arm 32 are provided with abutting blocks 36 on the inner side of the end of the positioning groove 33 away from the body 1, that is, through the provision of the abutting blocks 36, the damage to the body 1 or the damage to the first clamping arm 31 and the second clamping arm 32 when the pressing part of the first clamping arm 31 and the second clamping arm 32 is pressed can be prevented.

[0046] The body 1 is also provided with a fixing part 4 for fixing the part of the optical cable extending into the channel 11, the fixing part 4 includes a threaded sleeve 41 sleeved at the optical cable inlet 12, an elastic sleeve 42 arranged in the threaded sleeve 41, and an abutting head 43 arranged on the body 1 and used for abutting with the elastic sleeve 42, wherein the optical cable inlet 12 of the body 1 is provided with an external thread for threadedly cooperating with the threaded sleeve 41, the threaded sleeve 41 is provided with a containing cavity, the elastic sleeve 42 is located in the containing cavity, the elastic sleeve 42 has a gap, and the elastic sleeve 42 will shrink inwardly after being extruded. The abutting head 43 includes a plug-in part 431 inserted into the optical cable inlet 12 and an abutting part 432 used for abutting with the elastic sleeve 42, and the plug-in part 431 and the abutting part 432 of the abutting head 43 are both provided with a through hole for the optical cable to pass through.

[0047] When the threaded sleeve 41 is tightened, the threaded sleeve 41 moves along the length direction of the body 1 towards the direction close to the optical cable outlet 13, drives the elastic sleeve 42 to move towards the direction close to the abutting head 43, makes the elastic sleeve 42 abut with the abutting head 43 and tightens the elastic sleeve 42, so as to fix the tail end of the optical cable passing through the abutting head 43, and further fix the part of the optical cable extending into the body 1, so as to ensure the stability of the optical cable and further improve the stability of the cooperation between the optical cable interface and the fiber port.

[0048] The working principle of the utility model is roughly as follows: in use, firstly, the one end of the optical cable provided with the optical fiber joint is sequentially threaded through the threaded sleeve 41, the abutting head 43, the optical cable inlet 12, the channel 11 and then threaded out from the optical cable outlet 13, at this time, the optical fiber interface is inserted into the optical fiber socket, the sealing rubber ring 21 on the body 1 is used to seal the gap between the optical fiber joint and the optical fiber socket, thereby ensuring the sealing between the optical fiber joint and the optical fiber socket. By pressing the pressing end of the first clamping arm 31 and the second clamping arm 32, the clamping end of the first clamping arm 31 and the second clamping arm 32 is moved in the direction away from each other, that is, the clamping end of the first clamping arm 31 and the second clamping arm 32 is opened at this time, the first clamping arm 31 and the second clamping arm 32 can be clamped and fixed outside the optical fiber socket, and the spring 34 continuously provides elastic force to the first clamping arm 31 and the second clamping arm 32, so that the first clamping arm 31 and the second clamping arm 32 can be stably clamped outside the optical fiber socket, thereby improving the stability of the connection between the body 1 and the optical fiber socket. Finally, by tightening the threaded sleeve 41, the elastic sleeve 42 is abutted with the abutting head 43 and is tightened, the tail end of the optical cable threaded through the body 1 is fixed, the stability of the optical cable is ensured, and the optical fiber joint can be stably matched with the optical fiber socket.

[0049] The above is only used to illustrate the technical scheme of the utility model and is not limited, other modifications or equivalent replacements of the technical scheme of the utility model made by the ordinary skilled in the art should be covered in the claim range of the utility model, as long as it does not deviate from the spirit and range of the technical scheme of the utility model.

Claims

1. A protection device for a fiber optic connector for securing an optical cable in a fiber optic port on a fiber optic equipment, the end of the optical cable being provided with a fiber optic tip cooperating with the fiber optic port, characterized in that, The utility model provides a kind of optical cable sealing device, including: The body (1) is internally provided with passageway (11), and the both ends of the body (1) are provided with optical cable inlet (12) and optical cable outlet (13) respectively, which are communicated with passageway (11), so that optical cable enters passageway (11) from optical cable inlet (12) and then passes out from optical cable outlet (13); Sealing element (2) is arranged at one end of the body (1) close to optical cable outlet (13), for closing the gap between optical fiber joint and optical fiber socket, to ensure the sealing between optical fiber joint and optical fiber socket; Clamping element (3) is arranged on the body (1), and the clamping end is clamped and fixed outside the optical fiber socket, to realize the fixation between the body (1) and the optical fiber equipment;And Fixed element (4) is arranged at one end of the body (1) close to optical cable inlet (12), for fixing the part of optical cable extending into the body (1).

2. A protection device for a fiber-optic connector according to claim 1, characterized in that, The sealing element (2) includes a sealing rubber ring (21) fitted on the body (1), which is located at one end of the body (1) close to the optical cable outlet (13), and a plurality of protrusions (22) are provided on the sealing rubber ring (21), and the plurality of protrusions (22) are arranged along the circumferential direction of the sealing rubber ring (21).

3. A protection device for a fiber optic connector as in claim 2, wherein, The side of the protrusion (22) facing the optical cable outlet (13) is provided with an inclined guide surface, and the guide surface is arranged in a circular arc transition.

4. A protective device for a fiber optic connector as in claim 2, wherein, The body (1) is provided with a first positioning protrusion (23) and a second positioning protrusion (24), which are located at one end of the body (1) close to the optical cable outlet (13), and the sealing rubber ring (21) is provided with a first positioning groove (25) and a second positioning groove (26) matched with the first positioning protrusion (23) and the second positioning protrusion (24) respectively.

5. A protective device for a fiber optic connector as in claim 4, wherein, The second positioning protrusion (24) is provided with a plurality of clamping blocks (241), the side of the clamping block (241) away from the optical cable outlet (13) is provided with an inclined surface, and the second positioning groove (26) is provided with a plurality of clamping grooves (261), and the plurality of clamping grooves (261) correspond to the plurality of clamping blocks (241) one by one.

6. A protective device for a fiber optic connector as in claim 1, wherein, The fixed element (4) includes a threaded sleeve (41) fitted on the optical cable inlet (12) of the body (1), an elastic clamping sleeve (42) arranged in the threaded sleeve (41), and an abutting head (43) arranged on the body (1) and abutting with the elastic clamping sleeve (42), the optical cable inlet (12) of the body (1) is provided with an external thread matched with the threaded sleeve (41), the threaded sleeve (41) is provided with a receiving cavity, the elastic clamping sleeve (42) is located in the receiving cavity, the elastic clamping sleeve (42) has a gap, the abutting head (43) includes a plug-in part (431) inserted into the optical cable inlet (12) and an abutting part (432) abutting with the elastic clamping sleeve (42), and when the threaded sleeve (41) is tightened, the elastic clamping sleeve (42) is tightened and the optical cable is fixed.

7. A protective device for a fiber optic connector as in claim 1, wherein, The body (1) is further provided with two protrusions (14) for clamping with the inner wall of the fiber socket, and the two protrusions (14) are symmetrically arranged on the upper and lower sides of the optical cable outlet (13).

8. A protective device for a fiber optic connector as in claim 1, wherein, The clamping piece (3) comprises a first clamping arm (31) and a second clamping arm (32) rotatably arranged on the body (1), two positioning grooves (33) arranged on the first clamping arm (31) and the second clamping arm (32), and an elastic member for providing elastic force to the first clamping arm (31) and the second clamping arm (32) so that the first clamping arm (31) and the second clamping arm (32) can be stably clamped outside the fiber socket. The first clamping arm (31) and the second clamping arm (32) are symmetrically arranged on both sides of the body (1), the first clamping arm (31) and the second clamping arm (32) are both buckled outside the body (1), and the middle portions of the first clamping arm (31) and the second clamping arm (32) are both rotatably connected to the body (1). The two positioning grooves (33) are respectively located on the opposite sides of the first clamping arm (31) and the second clamping arm (32), and the two positioning grooves (33) are respectively located on the ends of the first clamping arm (31) and the second clamping arm (32) close to the optical cable outlet (13). The fiber socket is provided with a positioning block matched with the positioning groove (33).

9. A protection device for a fiber-optic connector according to claim 8, characterized in that, The elastic member comprises two springs (34), and the two springs (34) are respectively arranged between the first clamping arm (31) and the body (1) and between the second clamping arm (32) and the body (1). The body (1) is provided with a positioning column (35) for positioning the spring (34).

10. A protection device for a fiber-optic connector according to claim 9, wherein, The inner side of the end of the first clamping arm (31) and the second clamping arm (32) away from the positioning groove (33) is provided with an abutting block (36) for abutting the body (1).

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