CN108761695A - A kind of safe communication cable protective device - Google Patents

Abstract

The invention discloses it is a kind of suitable for it is indoor be easily installed, the communication cable protective device that simple in structure, stability is strong and security performance is high.The communication cable protective device includes the first protective case, rectangular channel, through-hole, U-shaped board, sliding block, sliding slot, fixed plate, spring, l-shaped rod, pressing plate, the first rack, the second rack, spur gear wheel, the second protective case, screwed pipe；It is simple in structure easy to operate using the communication cable protective device, it is highly reliable, the working efficiency of user can be improved, is suitble in the work of the indoor communication cable installation of extensive input.

Description

A high-safety communication optical cable protection device

technical field

The invention relates to the field of an optical cable protection device, in particular to a communication optical cable protection device with high safety.

Background technique

As we all know: the communication optical cable is composed of a cable core and an outer sheath composed of several optical fibers. Compared with the traditional symmetrical copper circuit and coaxial copper circuit, the optical fiber has a much larger transmission capacity; less attenuation; long transmission distance; small size; light weight; no electromagnetic interference; low cost, it is currently the most promising communication transfer media. It is being widely used in signal transmission in various departments such as telecommunications, electric power, and broadcasting, and will gradually become the main body of future communication networks. When installing communication optical cables, the round and rigid shape of the optical cables increases the difficulty of installing the optical cable joints. The existing indoor optical cable joint protection devices are complex in structure and troublesome to operate, which increases the work efficiency of optical cable installation. The high cost of the device is not suitable for a wide range of applications. application.

Contents of the invention

The technical problem to be solved by the present invention is to provide an indoor communication optical cable protection device which is easy to install, simple in structure, strong in stability and high in safety performance.

The technical solution adopted by the present invention to solve the technical problem is: a high-safety communication optical cable protection device, including a first protective cover, the first protective cover has an inner cavity, and the inner wall at one end of the inner cavity is provided with an inner thread; the top surface and the bottom surface of the middle position of the inner cavity of the first protective sleeve are respectively provided with horizontal rectangular grooves, and the rectangular grooves on the top surface and the bottom surface of the first protective sleeve are respectively provided with vertical through holes, so The inner ends of the through holes communicate with the corresponding rectangular grooves respectively, and a longitudinal U-shaped plate is arranged in the through holes, and the U-shaped plate passes through the through holes and is inserted into the inside of the first protective sleeve. The openings of the shaped plates are opposite, and the bottom plates of the two U-shaped plates are respectively located on the outer sides of the corresponding top and bottom surfaces of the first protective sleeve;

The outer side of the parallel plate of the U-shaped plate is provided with a longitudinal fixed plate, the inner end of the U-shaped plate is provided with a fixedly connected arc-shaped pressure plate, and both sides of the inner side of the fixed plate are provided with longitudinally arranged The spring; the spring is located between the top surface and the bottom surface of the first protective sleeve corresponding to the fixed plate and the fixed plate, and the springs give the corresponding fixed plate an outward force all the time; the rectangular slots are provided with L-shaped rods, the long rods of the two L-shaped rods are parallel to each other and can slide in the corresponding rectangular slots at the same time, the inner ends of the short rods of the two L-shaped rods are located in the first protective sleeve, and one end of the long rods of the L-shaped rods Passing between the parallel plates of the corresponding U-shaped plates, the long bar of the L-shaped bar is provided with a first horizontal rack, and the side of the two parallel plates of the U-shaped plate near the short bar of the L-shaped bar is provided with a vertical rack. to the second rack;

A longitudinal cylindrical spur gear is arranged above and below the inside of the first protective sleeve, the cylindrical spur gear meshes with the corresponding first rack, and one side of the cylindrical spur gear meshes with the corresponding second rack One side of the first protective cover is provided with a horizontal second protective cover, and one end of the second protective cover is fixedly connected with a horizontal spiral tube, and one end of the spiral tube is inserted into the first protective cover. One end of the thread; and contact and cooperate with the outer side of the corresponding L-shaped short rod, and the spiral tube is threaded with the first protective sleeve.

Further, the parallel plates on both sides of the U-shaped plate are provided with vertical chutes, and sliders are arranged in the chutes; the sliders are fixedly connected to the inner wall of the rectangular groove; the sliders slide Installed in the corresponding chute.

Further, the outer periphery of the second protective sleeve is provided with anti-skid lines.

Preferably, both the first protective sheath and the second protective sheath are made of insulating material.

Further, longitudinal rubber pads are provided on the inner sides of the pressing plates.

Further, the said cylindrical spur gear is provided with a rotating shaft; said cylindrical spur gear is in drive connection with the rotating shaft; said cylindrical spur gear is fixedly installed in the first protective sleeve through a bearing; the two ends of said rotating shaft are connected with the first The front side and the rear side of the inner wall of the protective cover are fixedly connected.

Further, the distance between two adjacent springs in each row of springs is equal.

The beneficial effect of the present invention is: a high safety communication optical cable protection device described in the present invention, when installing the communication optical cable protection device: the user connects the two optical cable connectors that need to be connected respectively from the first protective cover to the second protective cover. When passing through the two protective sleeves, when the optical cable joint passes through the first protective sleeve, the elastic force given by the spring to the fixing plate makes the pressure plate approach the center of the inner cavity of the first protective sleeve, and the optical cable joint can pass between the two pressure plates. After completing the connection of the optical cable connector, the user holds the second protective sleeve, inserts the coil tube at one end of the second protective sleeve into the first protective sleeve, and then the user turns the second protective sleeve, and the outer circumference of the spiral tube is in contact with the first protective sleeve. The inner wall is threaded, and when one end of the spiral tube is installed into the first protective sleeve, one end of the spiral tube in the first protective sleeve can simultaneously contact with the short rods of the two L-shaped rods, thereby pushing the L-shaped rods, so that The long rod of the L-shaped rod slides horizontally in the rectangular groove, the first rack drives the cylindrical spur gear to rotate, the cylindrical spur gear drives the U-shaped plate to move into the first protective sleeve through the second rack, and the pressure plate moves inward to press the optical cable The outer circumference of the optical cable is fixed. At this time, the user stops turning the second protective sleeve to complete the installation of the communication optical cable protection device. The entire installation process is simple and fast, and can be used for the protection of different types of optical cable connectors; When installing: the user holds the first protective cover with one hand, and rotates the second protective cover in the opposite direction with the other hand. The screw tube moves in the opposite direction to the installation end of the first protective cover, and the thrust of the screw tube to the short rod of the L-shaped rod is removed. , the force given by the spring to the fixed plate makes the U-shaped plate move outward. At this time, the second rack drives the cylindrical spur gear to rotate in the opposite direction. When the cylindrical spur gear rotates, it cooperates with the first rack, and the L-shaped bar is in the rectangular groove. Sliding inside to reset, the pressure plate loosens the installed optical cable, and completes the disassembly of the protective device. The whole process is simple and easy to operate, with strong reliability, which can improve the work efficiency of users, and is suitable for extensive installation of indoor communication optical cables.

Description of drawings

Fig. 1 is a perspective view of a high-safety communication optical cable protection device in an embodiment of the present invention;

Fig. 2 is the A direction view of the installation structure of U-shaped plate in the embodiment of the present invention;

Marked in the figure: 1-first protective sleeve, 2-rectangular slot, 3-through hole, 4-U-shaped plate, 5-slider, 6-chute, 7-fixed plate, 8-spring, 9-L-shaped Rod, 10-pressure plate, 11-the first rack, 12-the second rack, 13-cylindrical spur gear, 14-the second protective cover, 15-coil, 16-rubber pad, 17-rotating shaft.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

As shown in Figures 1 and 2, a high-safety communication optical cable protection device according to the present invention includes a first protective cover 1, the first protective cover 1 has an inner cavity, and the inner wall at one end of the inner cavity Internal threads are provided; the top surface and the bottom surface of the middle position of the inner cavity of the first protective sleeve 1 are respectively provided with transverse rectangular grooves 2, and the rectangular grooves 2 on the top surface and the bottom surface of the first protective sleeve 1 are respectively provided with Vertical through holes 3, the inner ends of the through holes 3 communicate with the corresponding rectangular grooves 2 respectively, the through holes 3 are provided with longitudinal U-shaped plates 4, and the U-shaped plates 4 pass through the through holes 3 and inserted into the inside of the first protective cover 1, the openings of the two U-shaped plates 4 are opposite, and the bottom plates of the two U-shaped plates 4 are respectively located outside the top and bottom surfaces of the corresponding first protective cover 1;

The outside of the parallel plate of the U-shaped plate 4 is provided with a longitudinal fixed plate 7, and the inner end of the U-shaped plate 4 is provided with a fixedly connected arc-shaped pressing plate 10, and both sides of the inner side of the fixed plate 7 Both are provided with longitudinally arranged springs 8; the springs 8 are located between the top surface and the bottom surface of the first protective cover 1 corresponding to the fixed plate 7 and the fixed plate 7, and the springs 8 always give the corresponding fixed plate 7 a direction External force; L-shaped rods 9 are arranged in the rectangular groove 2, the long rods of the two L-shaped rods 9 are parallel to each other and can slide in the corresponding rectangular groove 2 at the same time, and the short rods of the two L-shaped rods 9 The inner end of the L-shaped bar 9 is located in the first protective sleeve 1, and one end of the long bar of the L-shaped bar 9 passes between the parallel plates of the corresponding U-shaped plate 4, and the long bar of the L-shaped bar 9 is provided with a first horizontal rack 11 , the two parallel plates of the U-shaped plate 4 are provided with a vertical second rack 12 on one side close to the short bar of the L-shaped bar 9;

Above and below the inside of the first protective cover 1 are provided with longitudinal spur gears 13, the spur gears 13 mesh with the corresponding first racks 11, one side of the spur gears 13 is connected to the corresponding The second rack 12 is engaged; one side of the first protective cover 1 is provided with a transverse second protective cover 14, and one end of the second protective cover 14 is fixedly connected with a horizontal spiral tube 15, and the spiral tube 15 One end of the first protective sleeve 1 is inserted into the end provided with an internal thread;

During application:

When installing the communication optical cable protection device: the user passes the two optical cable connectors that need to be connected through the first protective cover 1 and the second protective cover 14 respectively. When the optical cable connector passes through the first protective cover 1, the spring 8 The elastic force given to the fixing plate 7 makes the pressure plate 10 approach the top and bottom of the inner wall of the first protective cover 1, and the optical cable joint can pass between the two pressure plates 10. After the connection of the optical cable joint is completed, the user holds the second protective cover 14. Insert the coil 15 at one end of the second protective sleeve 14 into the first protective sleeve 1, and then the user rotates the second protective sleeve 14, the outer circumference of the coil 15 is threaded with the inner wall of the first protective sleeve 1, and the coil 15 In the process of installing one end of the first protective cover 1 into the first protective cover 1, one end of the coil 15 in the first protective cover 1 can contact with the short rods of the two L-shaped rods 9 at the same time, and then the L-shaped rods 9 are pushed to make the L-shaped rods 9 push. The long rod of the type rod 9 slides laterally in the rectangular groove 2, the first rack 11 drives the cylindrical spur gear 13 to rotate, and the cylindrical spur gear 13 drives the U-shaped plate 4 to move into the first protective cover 1 through the second rack 12, The pressure plate 10 moves inward to press the outer circumference of the optical cable to fix the optical cable. At this time, the user stops rotating the second protective sleeve 14 to complete the installation of the communication optical cable protection device. The entire installation process is simple and fast, and can be used for different types of optical cables Protection of the connector; when disassembling the protection device of the communication optical cable: the user holds the first protective cover 1 with one hand, and rotates the second protective cover 14 in the opposite direction with the other hand, and the screw tube 15 is opposite to the installation end of the first protective cover 1 Move, the thrust of the L-shaped rod 9 by the solenoid 15 is removed, and the force of the spring 8 to the fixed plate 7 makes the U-shaped plate 4 move outward. At this time, the second rack 12 drives the cylindrical spur gear 13 to rotate in reverse, and the cylindrical spur gear 13 When the spur gear 13 rotates, through the cooperation with the first rack 11, the L-shaped rod 9 slides and resets in the rectangular groove 2, and the pressure plate 10 releases the installed optical cable to complete the disassembly of the protection device. The whole process is simple, easy to operate, and reliable. Strong performance, can improve the user's work efficiency, suitable for a wide range of indoor communication cable installation work.

In order to ensure that the force on both sides of the fixing plate 7 is even, further, the distance between two adjacent springs 8 in each row of springs 8 is equal.

Specifically, in order to ensure that the U-shaped plate 4 moves vertically all the time, vertical chute 6 is provided on the parallel plates on both sides of the U-shaped plate 4, and a slider 5 is arranged in the chute 6; The slider 5 is fixedly connected to the inner wall of the rectangular groove 2; the slider 5 is slidably installed in the corresponding slide groove 6. That is, the front side and the rear side of the rectangular groove 2 inner walls described in the present embodiment are respectively fixedly connected to the outer ends of the longitudinal slide block 5, and the outsides of the U-shaped plate 4 parallel plates offer vertical chute 6 respectively, and the slide block 5 The outer ends are respectively located in the corresponding chute 6 , and each slider 5 can slide along the corresponding chute 6 . When the cylindrical spur gear 13 rotates, it can drive the U-shaped plate 4 to move vertically. At this time, the slider 5 slides in the chute 6, which can ensure that the U-shaped plate 4 always keeps moving vertically, and prevents the U-shaped plate 4 from moving in the vertical direction. The movement prevents the pressing plate 10 from compressing the optical cable, and at the same time, can limit the vertical movement distance of the U-shaped plate 4 and improve the stability inside the device.

Specifically, in order to increase the frictional force on the outer periphery of the second protective sheath 14 , the outer periphery of the second protective sheath 14 described in this embodiment is provided with anti-skid lines. When the user rotates the second protective cover 14, the anti-skid pattern can enhance the friction between the outer periphery of the second protective cover 14 and the user's fingers, and adjust the installation position between the rotating drum 15 and the first protective cover 1, which can be more accurate. Control the rotation of the second protective cover 14 .

Further, in order to improve the safety of the device, the first protective cover 1 and the second protective cover 14 described in this embodiment are both made of insulating materials. When the user installs the first protective cover 1 and the second protective cover 14 and the device is working, the first protective cover 1 and the second protective cover 14 made of insulating material can ensure the safety of the user's installation work, and at the same time Improve the safety of the device at work.

Furthermore, in order to compress the optical cable well, longitudinal rubber pads 16 are fixedly installed on the inner side of the pressing plate 10 in this embodiment. The rubber pad 16 can increase the friction between the outer periphery of the optical cable and the pressure plate 10, so that the pressure plate 10 can better compress the optical cable, and will not produce indentations on the outer periphery of the optical cable, which will affect the transmission of optical cable signals, and at the same time enhance the stability of optical cable installation , improve the reliability of the device.

Furthermore, in order to enhance the internal stability of the device, the spur gear 13 is provided with a rotating shaft 17; the spur gear 13 is connected with the rotating shaft 17; the spur gear 13 is fixedly mounted on the first Inside the protective case 1 ; the two ends of the rotating shaft 17 are respectively fixedly connected to the front side and the rear side of the inner wall of the first protective case 1 . That is, the cylindrical spur gears 13 described in this embodiment are respectively fixedly installed on the outer periphery of the rotating shaft 17 through bearings, and the two ends of the rotating shaft 17 are respectively fixedly connected to the front side and the rear side of the inner wall of the first protective sleeve 1 . During the installation and adjustment of the device, the spur gear 13 rotates frequently, and the rotating shaft 17 can enhance the stability of the spur gear 13 rotation, thereby ensuring the synchronous rotation of the two spur gears 13, enhancing the stability inside the device, and prolonging the use of the device life.

Claims (7)

1. a kind of safe communication cable protective device, it is characterised in that：Including the first protective case (1), described first protects There is sheath (1) inner cavity, the inner wall of described inner cavity one end to be provided with internal thread；First protective case (1) the inner cavity centre position Top and bottom be respectively arranged with lateral rectangular channel (2), the rectangular channel of the top and bottom of first protective case (1) (2) vertical through-hole (3) is respectively arranged in, the inner end of the through-hole (3) is communicated with corresponding rectangular channel (2) inside respectively, Longitudinal U-shaped board (4) is provided in the through-hole (3), the U-shaped board (4) passes through through-hole (3) and is inserted into the first protective case (1) opening of inside, two U-shaped boards (4) is opposite, and the bottom plate of two U-shaped boards (4) is located at corresponding first protective case (1) outside of top and bottom；

Longitudinal fixed plate (7) is provided on the outside of the parallel-plate of the U-shaped board (4), the inner end of the U-shaped board (4) is respectively provided with There are the pressing plate (10) for the arc being fixedly connected, the both sides of the inside of the fixed plate (7) to be both provided with the spring of longitudinal arrangement (8)；The spring (8) is located between the top and bottom of fixed plate (7) the first protective case (1) corresponding with fixed plate (7), institute Spring (8) be stated respectively always to (7) outside power of corresponding fixed plate；It is both provided with l-shaped rod in the rectangular channel (2) (9), the stock of two l-shaped rods (9) is mutually parallel and can be slided in corresponding rectangular channel (2) simultaneously, two l-shaped rods (9) The inner end of quarter butt be located in the first protective case (1), stock one end of l-shaped rod (9) from the parallel-plate of corresponding U-shaped board (4) it Between pass through, lateral the first rack (11) is provided on l-shaped rod (9) stock, (4) two parallel-plates of the U-shaped board are close to l-shaped rod (9) side of quarter butt is provided with vertical the second rack (12)；

It is both provided with longitudinal spur gear wheel (13) above and below first protective case (1) is internal, the cylinder is straight Gear (13) is engaged with corresponding first rack (11), the side of the spur gear wheel (13) and corresponding second rack (12) Engagement；The side of first protective case (1) is equipped with lateral the second protective case (14), one end of second protective case (14) It is fixedly connected with lateral screwed pipe (15), it is female that one end of the screwed pipe (15) is inserted into the first protective case (1) setting One end；And be engaged on the outside of corresponding l-shaped rod (9) quarter butt, the screwed pipe (15) is matched with the first protective case (1) screw thread It closes.

2. a kind of safe communication cable protective device according to claim 1, it is characterised in that：The U-shaped board (4) it is both provided with vertical sliding slot (6) on the parallel-plate of both sides, sliding block (5) is both provided in the sliding slot (6)；The sliding block (5) it is fixedly connected with rectangular channel (2) inner wall；The sliding block (5) is slidably mounted in corresponding sliding slot (6).

3. a kind of safe communication cable protective device according to claim 1, it is characterised in that：Described second The periphery of protective case (14) is equipped with anti-skid chequer.

4. a kind of safe communication cable protective device according to claim 1, it is characterised in that：Described first Protective case (1) and the second protective case (14) are isolation material.

5. a kind of safe communication cable protective device according to claim 1, it is characterised in that：The pressing plate (10) longitudinal rubber cushion (16) is both provided on the inside of.

6. a kind of safe communication cable protective device according to claim 1, it is characterised in that：The cylinder Shaft (17) is provided on spur gear (13)；The spur gear wheel (13) is sequentially connected with shaft (17)；The cylindrical straight gear Wheel (13) is fixedly mounted on by bearing in the first protective case (1)；The both ends of the shaft (17) respectively with the first protective case (1) The front side of inner wall is fixedly connected with rear side.

7. a kind of safe communication cable protective device according to claim 1, it is characterised in that：Each column is adjacent Spacing is equal between two springs (8).