CN210803825U

CN210803825U - Subway optical cable connecting device

Info

Publication number: CN210803825U
Application number: CN201922186606.XU
Authority: CN
Inventors: 王晓军; 王钰; 吴云利; 李云之
Original assignee: Chengdu Rail Transit Construction Management Co Ltd
Current assignee: Chengdu Rail Transit Construction Management Co Ltd
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-06-19
Anticipated expiration: 2029-12-09

Abstract

The utility model discloses a subway optical cable connecting device, including top cap, drain pan, sealing strip and four buckle mechanisms, four buckle mechanisms set up front end, rear end and the both sides at whole device respectively, the top cap lock set up in on the drain pan, the sealing strip is in between top cap and the drain pan, buckle mechanism is used for making top cap and drain pan extrusion sealing strip and keeping the state that compresses tightly, can guarantee the leakproofness of whole device through the extrusion sealing strip to when the ageing condition appears in the sealing strip, the packing force can not break off and keep the leakproofness of device always, and need not to tightly decide the bolt alright in order to stabilize whole device, the personnel's operating load that has significantly reduced, the operation is simple and easy quick.

Description

Subway optical cable connecting device

Technical Field

The utility model belongs to the technical field of the optical cable connection device during subway construction, concretely relates to subway optical cable connection device.

Background

In an optical communication network, because the length of an optical cable is limited and the optical cable needs to be branched and cross-connected on a transmission line, the optical cable needs to be protected for connection and connection, and the overhead, pipeline through connection, branching and cross-connection of various optical cables also often adopt the mode of an optical cable connection device to meet the connection protection requirement when the optical cable trunk line and a distribution cable network are interconnected. In the subway construction process, optical cables are often required to be laid, and an optical cable splicing device is required to be installed to realize the connection of the optical cables. Meanwhile, the optical fiber device is generally arranged on the side surface of the tunnel in subway construction, the construction difficulty is high, and the operation requirement of convenience is met for laying and connecting the optical cable. In the prior art, the optical cable connecting device is connected by bolts, the operation is complicated, the fiber melting box is generally fixedly arranged in the connecting device, the operation space is narrow, and the operation is extremely unchanged; meanwhile, the existing connection device generally utilizes a bolt to compress a rubber sealing ring to realize sealing, and the rubber sealing ring is easy to age and damage when used in a severe environment or used for a long time, so that a gap appears on a sealing surface, and a good sealing effect cannot be achieved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a subway optical cable device that continues for solve the technical problem who exists among the prior art, if: poor sealing performance, complex operation and incapability of being suitable for various severe environments.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a subway optical cable connecting device, includes top cap, drain pan, sealing strip and four buckle mechanisms, four buckle mechanisms set up respectively in the front end of whole device, rear end and both sides, the top cap lock set up in on the drain pan, the sealing strip is in between top cap and the drain pan, buckle mechanism is used for making top cap and drain pan extrusion sealing strip and keep the state of compressing tightly, can guarantee the leakproofness of whole device through the extrusion sealing strip to when the ageing condition of sealing strip appears, the packing force can not interrupt yet and keep the leakproofness of device always.

Furthermore, the buckling mechanism comprises a guide seat, a buckling block, a pressing block, a spring and a fixed seat, the guide seat is fixedly connected with the bottom shell, the fixed seat is fixedly connected with the top cover, and one end of the fixed seat is slidably arranged in the guide seat; the fixing base is of a hollow structure with an open top, one end of the pressing block is slidably arranged in the cavity of the fixing base, the spring is arranged in the cavity of the fixing base, the top end of the spring is fixedly connected with the fixing base, the bottom end of the spring is fixedly connected with one end, extending into the fixing base, of the pressing block, the spring is in a stretching state, one end of the buckling block is rotatably connected with the guide seat, the other end of the buckling block is detachably connected with one end, far away from the fixing base, of the pressing block, and when the spring is in the stretching state, pressing force between the top cover and the bottom shell can be kept through the matching of the buckling block and the guide seat.

Furthermore, the pressing block comprises a hook, a connecting block and a sliding block, the hook and the sliding block are respectively connected to two ends of the connecting block, the sliding block can be slidably arranged in a cavity of the fixed seat, the connecting block is in clearance fit with the top opening, one end of the hook is fixedly connected with one end of the pressing block, which is far away from the fixed seat, one end of the buckling block, which is far away from the guide seat, is provided with a through hole, and the other end of the hook is arranged in the through hole; the connecting block stretches out the top opening and clearance fit has guaranteed that the direction of the closing force is unchangeable, and the couple passes the buckle piece and can guarantee that the buckle piece can not break away from easily, has certain stability.

Furthermore, the guide holder is L-shaped structure, L-shaped structure and drain pan constitute a recess jointly, fixing base slidable set up in the recess, the guide effect of recess is fine makes things convenient for the operator to cover the top cap.

Furthermore, a plurality of semicircular grooves are formed in two ends of the top cover and two ends of the bottom shell, the semicircular grooves of the top cover and the semicircular grooves of the bottom shell are matched to form a threading hole, a rubber ring is arranged in the threading hole, an optical cable is arranged in the rubber ring, the buckling mechanism enables the top cover and the bottom shell to extrude the rubber ring and keep a compression state on the optical cable, the compression rubber ring keeps no gap, and the sealing performance is guaranteed.

Further, the drain pan is provided with the mounting groove and melts fine box, it is used for realizing continuing of a plurality of optical cables to melt fine box, the mounting groove all is provided with the rubber pad all around, melt fine box set up in the mounting groove, melt fine box all contradict with the rubber pad all around, melt fine box and can insert the mounting groove fast and need not go up the bolt, made things convenient for relevant personnel to operate.

The utility model has the beneficial technical effects that:

(1) the subway optical cable connection device is provided with the buckling mechanism, the sealing strips, the top cover and the bottom shell can compress the sealing strips through the buckling mechanism, the pressing force can continuously compress the sealing strips even if the sealing strips are aged, and the beneficial effect of good sealing performance is achieved;

(2) the subway optical cable connection device is provided with the buckle mechanism, an operator can easily compress the whole device under the guiding action of the guide seat of the buckle mechanism, the whole device can be stabilized without fastening bolts, the operation amount of the operator is greatly reduced, and the beneficial effect of simple operation is achieved;

(3) this subway optical cable splicing apparatus is provided with the mounting groove and melts fine box, through the rubber pad on the mounting groove, melts fine box and can insert the mounting groove fast in, has reached the beneficial effect that the optical cable is convenient for install.

Drawings

Fig. 1 is a schematic view of the overall structure of a subway optical cable splicing apparatus according to the present invention.

Fig. 2 shows a schematic diagram of a separated state of the buckle mechanism of the subway optical cable connection device of the present invention.

Fig. 3 is a schematic top view of a bottom casing of a subway optical cable splicing apparatus according to the present invention.

Fig. 4 is a schematic front view of a buckle mechanism of a subway optical cable connection device according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-4 of the present invention, and it should be apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a subway optical cable connecting device, includes top cap 1, drain pan 2, sealing strip 3 and four buckle mechanisms, four buckle mechanisms set up respectively in front end, rear end and the both sides of whole device, and four buckle mechanisms have guaranteed the stability of whole device, top cap 1 lock set up in on the drain pan 2, sealing strip 3 is between top cap 1 and drain pan 2, buckle mechanism is used for making top cap 1 and drain pan 2 extrusion sealing strip 3 and keep the compression state. The sealing of the entire device can be ensured by pressing the sealing strip 3, and when the sealing strip 3 is aged, the pressing force is not interrupted and the sealing of the device is always maintained.

The cable connector is characterized in that a plurality of semicircular grooves are formed in the two ends of the top cover 1 and the bottom shell 2, the semicircular grooves of the top cover 1 and the semicircular grooves of the bottom shell 2 are matched to form a threading hole, a rubber ring 10 is arranged in the threading hole, an optical cable 5 is arranged in the rubber ring 10, the top cover 1 and the bottom shell 2 are enabled to extrude the rubber ring 10 and keep a compression state on the optical cable through a buckle mechanism, the compression rubber ring 10 keeps no gap, and the sealing performance is guaranteed; the drain pan 2 is provided with mounting groove 11 and melts fine box 12, it is used for realizing continuing of a plurality of optical cables 5 to melt fine box 12, mounting groove 11 all is provided with the rubber pad all around, melt fine box 12 set up in the mounting groove 11, it all conflicts with the rubber pad all around to melt fine box 12, melts fine box 12 and can insert in mounting groove 11 fast and need not go up the bolt, has made things convenient for relevant personnel to operate.

The buckling mechanism comprises a guide seat 4, a buckling block 6, a pressing block 7, a spring 8 and a fixed seat 9, the guide seat 4 is fixedly connected with a bottom shell 2, the fixed seat 9 is fixedly connected with a top cover 1, the guide seat 4 is of an L-shaped structure, the L-shaped structure and the bottom shell 2 jointly form a groove, the fixed seat 9 is slidably arranged in the groove, the guide function of the groove is good, an operator can conveniently cover the top cover 1, the fixed seat 9 is of a hollow structure with an opening at the top, the pressing block 7 comprises a hook, a connecting block and a sliding block, the hook and the sliding block are respectively connected with two ends of the connecting block, the sliding block is slidably arranged in a cavity of the fixed seat 9, the connecting block extends out of the opening at the top and is in clearance fit to ensure that the direction of the pressing force is unchanged, the spring 8 is arranged in the cavity of, the bottom of spring 8 is connected with the slider, spring 8 is tensile state, the one end of buckle piece 6 with the rotatable connection of guide holder 4, the other end of buckle piece 6 with press the briquetting 7 to keep away from the one end detachable of fixing base 9 is connected, and the one end that guide holder 4 was kept away from to buckle piece 6 is provided with the perforation, the other end of couple set up in the perforation, the couple passes buckle piece 6 and can guarantee that buckle piece 6 can not break away from easily, has certain stability.

When the top cover 1 and the bottom shell 2 need to be separated, an operator can press the pressing block 7 and pull the buckle block 6 open, then the pressing block 7 is loosened, the pressing block 7 is not restrained by the buckle block 6 and is completely separated from the buckle block 6 under the action of the elastic force of the spring 8, and the top cover 1 and the bottom shell 2 can be separated after the operator loosens the four buckle mechanisms; on the contrary, when the top cover 1 and the bottom shell 2 need to be pressed, an operator presses the pressing block 7 and buckles the buckling block 6 on the pressing block 7, the spring 8 is in a stretching state, the pressing block 7 can tightly push the buckling block 6 under the influence of the elastic force of the spring, and then the sealing strip 3 is pressed through the top cover 1 and the bottom shell 2.

In the description of the present invention, it should be understood that the terms "counterclockwise", "clockwise", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Claims

1. The utility model provides a subway optical cable device that continues, its characterized in that, includes top cap (1), drain pan (2), sealing strip (3) and four buckle mechanisms, four buckle mechanisms set up front end, rear end and the both sides at whole device respectively, top cap (1) lock set up in on drain pan (2), sealing strip (3) are in between top cap (1) and drain pan (2), buckle mechanism is used for making top cap (1) and drain pan (2) extrusion sealing strip (3) and keep the compression state.

2. The subway optical cable connection device according to claim 1, wherein said buckle mechanism comprises a guide seat (4), a buckle block (6), a pressing block (7), a spring (8) and a fixed seat (9), said guide seat (4) is fixedly connected with a bottom shell (2), said fixed seat (9) is fixedly connected with said top cover (1), one end of said fixed seat (9) is slidably arranged in said guide seat (4); fixing base (9) are open-top's hollow structure, press the one end slidable of pressing piece (7) set up in the cavity of fixing base (9), spring (8) set up in the cavity of fixing base (9), the top of spring (8) with fixing base (9) fixed connection, the bottom of spring (8) with press the one end fixed connection that piece (7) stretched into in fixing base (9), spring (8) are tensile state, the one end of buckle piece (6) with rotatable the connection of guide holder (4), the other end of buckle piece (6) with press piece (7) to keep away from the one end detachable of fixing base (9) is connected.

3. The subway optical cable connection device according to claim 2, wherein the pressing block (7) comprises a hook, a connecting block and a sliding block, the hook and the sliding block are respectively connected to two ends of the connecting block, the sliding block is slidably arranged in a cavity of the fixing base (9), the connecting block is in clearance fit with the top opening, one end of the hook is fixedly connected with one end of the pressing block (7) far away from the fixing base (9), one end of the buckling block (6) far away from the guide base (4) is provided with a through hole, and the other end of the hook is arranged in the through hole.

4. A metro optical cable connection device according to claim 2, wherein the guide seat (4) is an L-shaped structure, the L-shaped structure and the bottom shell (2) together form a groove, and the fixing seat (9) is slidably disposed in the groove.

5. The subway optical cable connection device according to claim 1, wherein a plurality of semicircular grooves are formed in two ends of the top cover (1) and the bottom shell (2), the semicircular grooves of the top cover (1) and the semicircular grooves of the bottom shell (2) are matched to form a threading hole, a rubber ring (10) is arranged in the threading hole, an optical cable (5) is arranged in the rubber ring (10), and the buckling mechanism is used for enabling the top cover (1) and the bottom shell (2) to extrude the rubber ring (10) and keep a compression state of the optical cable (5).

6. The subway optical cable connection device according to claim 1, wherein said bottom shell (2) is provided with a mounting groove (11) and a fiber melting box (12), said fiber melting box (12) is used for connecting a plurality of optical cables (5), a rubber gasket is arranged around said mounting groove (11), said fiber melting box (12) is arranged in said mounting groove (11), and said fiber melting box (12) is abutted against said rubber gasket.