Optical cable connector box capable of preventing external water from invading

Abstract

The invention discloses an external waterproof intrusion optical cable connector box, and particularly relates to the technical field of optical cable connector boxes, which comprises a bottom box, a support frame, a bidirectional screw rod and a synchronous constant force waterproof mechanism, the synchronous constant-force waterproof mechanism comprises a micro gear motor, a torque force sensor, two sleeve blocks, a linkage strip, a concave block, two hinge shafts and a push sleeve rod, and further comprises an attaching limiting sealing mechanism and a timely waterproof detection assembly. Through the synchronous constant-force waterproof mechanism, permeation parts of the two optical cable sleeves are synchronously attached, limited and waterproof in time, external water is prevented from permeating into the optical cable connector box, wiring parts of optical cable equipment are prevented from being damaged by water, waterproof protection is more timely, and the waterproof protection performance of the optical cable connector box is greatly improved; therefore, the problems that it is difficult to know the two penetration parts in time, it is difficult to conduct synchronous attaching, limiting and waterproofing on the two penetration parts in time, and the waterproof protection performance of the optical cable connector box is poor are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of optical cable joint closure, and more particularly to an optical cable joint closure which is waterproof from external intrusion. Background Art

[0002] The fiber optic cable splice box is mainly for waterproof protection and external strength protection. Waterproof protection can effectively extend the life of the equipment. Long-term water intrusion will accelerate the aging and corrosion of the internal components of the splice box, thus affecting its service life. Through effective waterproof protection, the service life of the fiber optic cable splice box can be significantly extended. Secondly, network interruption caused by equipment failure can be reduced. In addition, the external strength protection of the fiber optic cable splice box can resist external force damage from the environment, such as animal bites and human damage. This helps to protect the optical fiber connectors and connection components inside the splice box and prevent damage caused by external forces.

[0003] In the existing public documents, the patent with patent announcement number CN110806628A discloses a fireproof and waterproof optical cable junction box, which forms a sealed structure by making the installation box; the upper box cover and the lower box cover are made of pressure-resistant and drop-resistant plates, and the contact and fitting surfaces of the lower box cover and the upper box cover are provided with a waterproof side cavity, and the contact and fitting surfaces of the upper box cover and the lower box cover are provided with waterproof rubber cotton, and the surface of the lower box cover outside the waterproof side cavity is provided with a strip sealing groove, and the surface of the upper box cover is fixed with an elastic sealing strip. The advantage of this invention is that it has good fireproof and waterproof performance. However, this patent has the following defects; After the optical cable joint box is used to protect the optical cable, the optical cable joint box will have an outlet hole and an inlet hole. Although the fitting part between the optical cable harness and the optical cable joint box can be squeezed and sealed by rubber, long-term use and long-term extrusion of the sealing rubber part will cause aging and cracks, which will lead to poor waterproof sealing. Rainwater will flood the optical cable joint box, causing the outlet hole and the inlet hole to cause external water to penetrate into the hole, making it difficult to detect the two penetration parts in time, and it is also difficult to synchronously fit and limit the waterproofing of the two penetration parts in time. This makes it very easy for external water to penetrate into the optical cable joint box, causing water damage to the wiring part of the optical cable equipment, and the waterproof protection of the optical cable joint box is poor. Summary of the invention

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides the following technical solutions: an optical cable junction box for waterproof intrusion from the outside, comprising a bottom box, a support frame is fixedly connected to one side of the inner wall of the bottom box, a bidirectional screw is rotatably connected to the inside of the support frame, and a synchronous fixed-force waterproof mechanism is provided at one end of the support frame; the synchronous fixed-force waterproof mechanism comprises a micro-reduction motor fixedly arranged at one end of the support frame, and the micro-reduction motor is used to drive the bidirectional screw to rotate, a torque sensor is fixedly installed at one end of the bidirectional screw, and the torque sensor is fixedly connected to the bottom box; the outer wall of the bidirectional screw is threadedly connected to two sleeve blocks, and one side of each sleeve block is fixed A linkage bar is fixedly connected, a concave block is fixedly connected to the lower surface of the linkage bar, two hinge shafts are fixedly installed on the inner wall of the concave block, and the outer wall of each hinge shaft is rotatably connected to a pushing sleeve rod; the inner wall of the pushing sleeve rod is rotatably connected to a linkage shaft at a position away from the hinge shaft, the bottom end of the linkage shaft is fixedly connected to an articulated sleeve block, one side of the articulated sleeve block is provided with a groove sleeve block, and the groove sleeve block is fixedly connected to another linkage shaft; the inner wall of the groove sleeve block is provided with a guide column, both sides of the bottom box are fixedly connected with optical cable sleeves, the bottom end of the articulated sleeve block is provided with a fitting limiting sealing mechanism, and the interior of the optical cable sleeve is provided with a timely waterproof detection component.

[0005] Preferably, the two sleeves are both slidably connected to the support frame, and the two outer wall threads of the bidirectional screw are opposite and symmetrically arranged; the output end of the micro reduction motor is fixedly connected to the bidirectional screw. The hinge sleeve and the groove sleeve are both slidably connected to the guide column, and the guide column is fixedly connected to the bottom box; the vertical cross-section of the guide column is circular, the top of the bottom box is connected to a sealing strip, the top of the sealing strip is bonded to a cover plate, and the internal thread of the cover plate is connected to a plurality of bolts; the plurality of bolts are threadedly connected to the bottom box. A controller is installed on one side of the micro reduction motor, and the controller is fixedly connected to the bottom box.

[0006] When this technology is in use, the micro reduction motor drives the bidirectional screw to rotate, and the bidirectional screw drives the sleeve block to move right under the action of the thread transmission force, and the other sleeve block moves left, the sleeve block drives the linkage bar to move right, the linkage bar drives the concave block to move right, and the other concave block moves left, the two articulated shafts respectively drive one end of the two pushing sleeve rods to move right, the pushing sleeve rod drives the linkage shaft to push, and the other linkage shaft drives the groove sleeve block to push, the distance between the articulated sleeve block and the groove sleeve block becomes larger, and the distance between the articulated sleeve block and the groove sleeve block becomes larger to stretch and move.

[0007] Preferably, the fitting limiting sealing mechanism includes a pulling block fixedly arranged at the bottom end of the groove sleeve block; one side of the pulling block is fixedly connected to a wrapping draw tape, the bottom end of the hinged sleeve block is fixedly connected to a sliding sleeve block, the sliding sleeve block is slidably connected to the wrapping draw tape, one side of the sliding sleeve block is fixedly connected to two pressure blocks, both of which are slidably connected to the wrapping draw tape; the inner wall of the wrapping draw tape is connected to a rubber sleeve, the rubber sleeve is fixedly connected to the optical cable sleeve, and one end of the rubber sleeve is fixedly connected to a support ring.

[0008] Limiting strips are provided on both sides of the wrapping drawstring, and one end of each limiting strip is fixedly connected to an arc-shaped limiting block, and a support block is provided on one side of the arc-shaped limiting block. The two arc-shaped limiting blocks are fixedly connected to the support blocks, and a support sleeve block is fixedly installed on the upper surface of the support block, and the support sleeve block is fixedly connected to the guide column; a connector terminal is fixedly connected to the bottom end of the inner wall of the bottom box and near the middle position thereof, and a plurality of screws are connected to the internal thread of the connector terminal, and the vertical cross-section of the pressing block is in the shape of an arc, and the two pressing blocks are symmetrically arranged with respect to the wrapping drawstring; the outer walls of the two pressing blocks are both smooth surfaces. The two arc-shaped limiting blocks are symmetrically arranged with respect to the wrapping drawstring, and the arc-shaped limiting blocks and limiting strips are made of stainless steel.

[0009] When this technology is in use, when the groove sleeve drives the pull block to move left, the hinged sleeve drives the sliding sleeve to move right, and the pull block drives the wrapping drawstring to move left, the sliding sleeve can move rightward and extrude along the outer wall of the wrapping drawstring, and the wrapping drawstring is fitted and bound and sealed on the outer wall of the rubber sleeve. The two limit strips limit the two sides of the wrapping drawstring, and at the same time, the two arc-shaped limit blocks limit the two sides of the wrapping drawstring, so that the wrapping drawstring can be bound and squeezed on the outer wall of the rubber sleeve according to the specified limit position, and the connection between the optical cable and the rubber sleeve can be sealed and waterproof. When the torque value sensed by the torque sensor is the same as the torque set by the controller, the micro reduction motor is turned off by the controller.

[0010] Preferably, the timely waterproof detection component includes a sealing sleeve fixedly arranged inside the optical cable sleeve; a docking optical cable is provided inside the sealing sleeve, a collecting hole is opened on one side of the sealing sleeve, a limiting ring fixedly connected to the optical cable sleeve is provided on one side of the collecting hole, and a pillar is fixedly connected to one side of the limiting ring; a baffle ring is bonded to one end of the pillar, and the baffle ring and the optical cable sleeve are fixedly connected, a guide tube is connected at the bottom end of the collecting hole, the guide tube and the optical cable sleeve are fixedly connected, and the bottom end of the guide tube is fixedly connected to a collecting tube; an immersion sensor is fixedly connected to the bottom end of the inner wall of the collecting tube, the sealing sleeve is made of rubber material, and the vertical cross-section of the sealing sleeve is circular, and the sealing sleeve is used for extruding and sealing the docking optical cable.

[0011] When this technology is in use, after the external rainwater soaks the two cable sleeves, water seepage occurs at the two sealing sleeves. The water will flow from the gap between the sealing sleeve and the docking optical cable to the side of the limit ring. The baffle ring can support the pillar and increase the limit stability of the limit ring. At the same time, the water enters the guide pipe through the collection hole, and then enters the collection pipe through the guide pipe. In this way, the water is collected in the collection pipe and diverted to the position of the immersion sensor by the collection pipe. When the immersion sensor senses water seepage, the micro reduction motor is started through the controller.

[0012] Technical effects and advantages of the present invention: 1. The present invention uses a synchronous fixed-force waterproof mechanism, a micro-reduction motor drives the bidirectional screw to rotate, the bidirectional screw rotates inside the support frame, the bidirectional screw drives the sleeve block to move right under the action of the thread transmission force, and the other sleeve block moves left, the linkage bar drives the concave block to move right, and the other concave block moves left, the two hinged shafts respectively drive one end of the two push sleeves to move right, the distance between the hinged sleeve block and the groove sleeve block becomes larger, when the torque value sensed by the torque sensor is the same as the torque set by the controller, the micro-reduction motor is turned off by the controller, so that the penetration parts of the two optical cable sleeves can be synchronously fitted and limited for waterproofing in time, to prevent external water from penetrating into the optical cable joint box, to prevent water from entering the wiring part of the optical cable equipment, and to make the waterproof protection more timely, thereby greatly improving the waterproof protection of the optical cable joint box.

[0013] 2. The present invention uses a fitting limit sealing mechanism. The groove sleeve block drives the pull block to move left, the hinged sleeve block drives the sliding sleeve block to move right, the pull block drives the wrapped drawstring to move left, the wrapped drawstring slides to the left along the inner wall of the sliding sleeve block, the sliding sleeve block drives the two pressure blocks to move right and extrude, the wrapped drawstring is fitted and bound and sealed on the outer wall of the rubber sleeve, the wrapped drawstring is fitted and bound and sealed on the outer wall of the rubber sleeve, the wrapped drawstring can be bound and extruded on the outer wall of the rubber sleeve according to the specified limit position, the butted optical cable and the rubber sleeve can fit together to seal and waterproof, the water seepage parts of the outer walls of the two butted optical cables are promptly and synchronously waterproofed to avoid water ingress and damage to the wiring parts of the optical cable equipment, the waterproof protection is more timely, and the waterproof protection of the optical cable junction box is greatly improved.

[0014] 3. The present invention adopts a timely waterproof detection component. After the two optical cable sleeves are soaked by external rainwater, water seepage occurs at the two sealing sleeves. The water will flow from the gap between the sealing sleeve and the docking optical cable to the side of the limit ring, and the water will enter the guide tube through the collecting hole, and then enter the collecting tube through the guide tube. In this way, the water will be collected in the collecting tube and guided by the collecting tube to the position of the immersion sensor. It can be quickly known that there is a water seepage problem inside the two optical cable sleeves. Once the water seepage problem is known, the two optical cable sleeve positions are immediately waterproofed and blocked from the inside, so that the docking optical cable and the rubber sleeve are tightly limited and fitted, thereby avoiding water damage to the wiring part of the optical cable equipment and making waterproof protection more timely.

[0015] According to the mutual influence of the above-mentioned multiple effects, firstly, it is quickly known that there is a water seepage problem inside the two optical cable sleeves. Secondly, the distance between the hinge sleeve block and the groove sleeve block becomes larger. Finally, the pull block drives the wrapping drawstring to move left. The wrapping drawstring slides left along the inner wall of the sliding sleeve block. The wrapping drawstring can constrain and squeeze the outer wall of the rubber sleeve according to the specified limit position, and the water seepage parts of the outer walls of the two docking optical cables are waterproofed in time. In summary, the penetration parts of the two optical cable sleeves and the penetration parts of the two docking optical cables are waterproofed synchronously in time to prevent external water from penetrating into the optical cable joint box and to prevent water from entering the wiring parts of the optical cable equipment. The waterproof protection is more timely, which greatly improves the waterproof protection of the optical cable joint box. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the optical cable junction box that is waterproof from external intrusion according to the present invention.

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the optical cable joint box which is waterproof against external intrusion according to the present invention.

[0018] Figure 3 It is a schematic diagram of the partial structure of the cross section of the connection between the base box and the support frame of the present invention.

[0019] Figure 4 For the present invention Figure 2 Enlarged structural diagram at A in the middle.

[0020] Figure 5 It is a schematic diagram of the vertical cross-section structure of the optical cable junction box that is waterproof against external intrusion of the present invention.

[0021] Figure 6 It is a schematic diagram of the partial structure of the connection between the pull block and the wrapping drawstring of the present invention from a front view.

[0022] Figure 7 For the present invention Figure 5 Enlarged structural diagram at B in the middle.

[0023] Figure 8It is a schematic diagram of the partial structure of the vertical section of the connection between the connector terminal and the base box of the present invention.

[0024] Fig. 9 It is a schematic diagram of the partial structure of the vertical section of the connection between the sealing sleeve and the optical cable sleeve of the present invention.

[0025] Fig.10 It is a bottom view structural diagram of the connection between the immersion sensor and the collecting tube of the present invention.

[0026] The accompanying drawings are marked as follows: 1, bottom box; 2, support frame; 3, bidirectional screw; 4, micro reduction motor; 5, torque sensor; 6, sleeve block; 7, linkage strip; 8, concave block; 9, hinge shaft; 10, push sleeve rod; 11, linkage shaft; 12, hinge sleeve block; 13, groove sleeve block; 14, guide column; 15, cable sleeve; 16, sealing strip; 17, cover plate; 18, bolt; 19, controller; 20, pull block; 21, wrapping pull belt; 22, sliding sleeve block; 23, pressure block; 24, support ring; 25, rubber sleeve; 26, limit strip; 27, arc limit block; 28, support block; 29, support sleeve block; 30, connector terminal; 31, screw; 32, sealing sleeve; 33, collection hole; 34, limit ring; 35, pillar; 36, Baffle ring; 37. Guide pipe; 38. Collecting pipe; 39. Immersion sensor; 40. Docking optical cable. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] As attached Figure 1-10 An optical cable junction box with external waterproof intrusion is shown. The optical cable junction box with external waterproof intrusion is provided with a synchronous fixed force waterproof mechanism, a fitting limit sealing mechanism, and a timely waterproof detection component. The settings of each mechanism and component can timely perform synchronous fitting limit waterproofing on the penetration parts of the two optical cable sleeves 15 and the penetration parts of the two docking optical cables 40, thereby preventing external water from penetrating into the optical cable junction box and preventing water from entering the wiring parts of the optical cable equipment. The waterproof protection is more timely, and the waterproof protection of the optical cable junction box is greatly improved. The specific structural settings of each mechanism and component are as follows.

[0029] In this technical solution, as shown in the attached Figure 1-4As shown, a synchronous fixed-force waterproof mechanism is provided at one end of the support frame 2; the synchronous fixed-force waterproof mechanism includes a micro-reduction motor 4 fixedly arranged at one end of the support frame 2, and the micro-reduction motor 4 is used to drive the bidirectional screw 3 to rotate, and a torque sensor 5 is fixedly installed at one end of the bidirectional screw 3, and the torque sensor 5 is fixedly connected to the bottom box 1; the outer wall of the bidirectional screw 3 is threadedly connected to two sleeve blocks 6, one side of each sleeve block 6 is fixedly connected to a linkage bar 7, the lower surface of the linkage bar 7 is fixedly connected to a concave block 8, the inner wall of the concave block 8 is fixedly installed with two hinge shafts 9, and the outer wall of each hinge shaft 9 is rotatably connected to a pushing sleeve rod 10.

[0030] A linkage shaft 11 is rotatably connected to the inner wall of the push sleeve rod 10 and away from the hinge shaft 9. The bottom end of the linkage shaft 11 is fixedly connected to a hinge sleeve block 12. A groove sleeve block 13 is provided on one side of the hinge sleeve block 12. The groove sleeve block 13 is fixedly connected to another linkage shaft 11; a guide column 14 is provided on the inner wall of the groove sleeve block 13, and both sides of the bottom box 1 are fixedly connected with an optical cable sleeve 15. A fitting limit sealing mechanism is provided at the bottom end of the hinge sleeve block 12, and a timely waterproof detection component is provided inside the optical cable sleeve 15.

[0031] In this technical solution, as shown in the attached Figure 1-3 As shown, a sealing strip 16 is connected to the top of the bottom box 1, a cover plate 17 is bonded to the top of the sealing strip 16, and a plurality of bolts 18 are connected to the inner thread of the cover plate 17; the plurality of bolts 18 are all threadedly connected to the bottom box 1, so that the cover plate 17 drives the sealing strip 16 to contact the upper surface of the bottom box 1, and by rotating the plurality of bolts 18, the cover plate 17 and the bottom box 1 can be firmly and tightly connected, thereby completing the cover pressure seal of the bottom box 1.

[0032] A controller 19 is installed on one side of the micro reduction motor 4, and the controller 19 is fixedly connected to the bottom box 1, so that the micro reduction motor 4 can be started by the controller 19, so that the micro reduction motor 4 can drive the bidirectional screw 3 to rotate.

[0033] In this technical solution, as shown in the attached Figure 5-7 As shown, the fitting limiting sealing mechanism includes a pulling block 20 fixedly arranged at the bottom end of the groove sleeve block 13; a wrapping drawstring 21 is fixedly connected to one side of the pulling block 20, and a sliding sleeve block 22 is fixedly connected to the bottom end of the hinged sleeve block 12, and the sliding sleeve block 22 is slidably connected to the wrapping drawstring 21, and two pressing blocks 23 are fixedly connected to one side of the sliding sleeve block 22, and both pressing blocks 23 are slidably connected to the wrapping drawstring 21; a rubber sleeve 25 is connected to the inner wall of the wrapping drawstring 21, and the rubber sleeve 25 is fixedly connected to the optical cable sleeve 15, and a support ring 24 is fixedly connected to one end of the rubber sleeve 25.

[0034] Limiting strips 26 are provided on both sides of the wrapping drawstring 21, and one end of each limiting strip 26 is fixedly connected to an arc-shaped limiting block 27, and a support block 28 is provided on one side of the arc-shaped limiting block 27. The two arc-shaped limiting blocks 27 are fixedly connected to the support block 28, and a support sleeve block 29 is fixedly installed on the upper surface of the support block 28, and the support sleeve block 29 is fixedly connected to the guide column 14; a connector terminal 30 is fixedly connected to the bottom end of the inner wall of the bottom box 1 and near the middle position thereof, and a plurality of screws 31 are connected to the internal thread of the connector terminal 30. The vertical cross-section of the pressing block 23 is an arc shape, and the two pressing blocks 23 are symmetrically arranged with respect to the wrapping drawstring 21; the outer walls of the two pressing blocks 23 are both smooth surfaces. The two arc-shaped limiting blocks 27 are symmetrically arranged with respect to the wrapping drawstring 21, and the arc-shaped limiting blocks 27 and the limiting strips 26 are both made of stainless steel.

[0035] In this technical solution, as shown in the attached Figure 8-10 As shown, the instant waterproof detection component includes a sealing sleeve 32 fixedly arranged inside the optical cable sleeve 15. A docking optical cable 40 is arranged inside the sealing sleeve 32, a collecting hole 33 is opened on one side of the sealing sleeve 32, a limiting ring 34 fixedly connected to the optical cable sleeve 15 is arranged on one side of the collecting hole 33, and a pillar 35 is fixedly connected to one side of the limiting ring 34; a baffle ring 36 is bonded to one end of the pillar 35, and the baffle ring 36 is fixedly connected to the optical cable sleeve 15, a guide tube 37 is connected at the bottom end of the collecting hole 33, the guide tube 37 is fixedly connected to the optical cable sleeve 15, and a collecting tube 38 is fixedly connected at the bottom end of the guide tube 37; an immersion sensor 39 is fixedly connected to the bottom end of the inner wall of the collecting tube 38. The sealing sleeve 32 is made of rubber material, and the vertical cross-section of the sealing sleeve 32 is in the shape of a circular ring, and the sealing sleeve 32 is used for extruding and sealing the docking optical cable 40.

[0036] The working principle of the optical cable splice box with external waterproof intrusion of the present invention is as follows: Step 1: When using the optical cable junction box connector, use a wire stripping tool to strip the two connecting optical cables 40 and then connect them to the connector terminal 30. By turning the screws 31, the screws 31 can fix the two connecting optical cables 40 on the connector terminal 30. By moving the cover plate 17 downward, the cover plate 17 drives the sealing strip 16 to contact the upper surface of the base box 1. By turning a plurality of bolts 18, the cover plate 17 and the base box 1 can be firmly and tightly connected, and the sealing sleeve 32 can be squeezed and fitted on the outer wall of the connecting optical cable 40. The two sealing sleeves 32 can respectively perform sealing and squeezing operations on the inside of the two optical cable sleeves 15.

[0037] Step 2: When waterproof detection is performed in time, after the external rainwater soaks the two optical cable sleeves 15, water seepage occurs at the two sealing sleeves 32 at the same time, so that the water will flow from the gap between the sealing sleeve 32 and the docking optical cable 40 to the side of the limit ring 34, and the limit ring 34 limits the infiltrated water. At the same time, the baffle ring 36 can support the pillar 35, and the pillar 35 can support the limit ring 34, thereby increasing the limit stability of the limit ring 34. At the same time, the water enters the guide pipe 37 through the collection hole 33, and enters the collection pipe 38 through the guide pipe 37, so that the water is collected in the collection pipe 38, and is guided to the position of the immersion sensor 39 by the collection pipe 38. In this way, when water seepage occurs inside the two optical cable sleeves 15, the water is collected to the position of the immersion sensor 39 through the collection pipe 38. When the immersion sensor 39 senses water seepage, the micro reduction motor 4 is started through the controller 19.

[0038] Step 3: When the synchronous fixed force waterproofing is performed, the micro reduction motor 4 drives the bidirectional screw 3 to rotate, and the bidirectional screw 3 rotates inside the support frame 2. At the same time, the bidirectional screw 3 drives the sleeve 6 to move right under the action of the thread transmission force, and the other sleeve 6 moves left. The sleeve 6 drives the linkage bar 7 to move right, and the linkage bar 7 drives the concave block 8 to move right, and the other concave block 8 moves left. The concave block 8 drives the two hinge shafts 9 to move right. The two hinge shafts 9 respectively drive one end of the two push sleeve rods 10 to move right, and the push sleeve rod 10 drives the linkage shaft 11 to push, and the other linkage shaft 11 drives the groove sleeve block 13 to push, and the distance between the articulated sleeve block 12 and the groove sleeve block 13 becomes larger, and the articulated sleeve block 12 and the groove sleeve block 13 slide along the outer wall of the guide column 14, so that the articulated sleeve block 12 and the groove sleeve block 13 are stretched and moved.

[0039] Step 4: When the groove sleeve 13 drives the pull block 20 to move left, the hinged sleeve 12 drives the sliding sleeve 22 to move right, and the sliding sleeve 22 drives the two pressing blocks 23 to move right. In this way, the pull block 20 drives the wrapping drawstring 21 to move left, and the wrapping drawstring 21 slides left along the inner wall of the sliding sleeve 22. At the same time, the sliding sleeve 22 can move right along the outer wall of the wrapping drawstring 21 for extrusion, so that the sliding sleeve 22 drives the two pressing blocks 23 to move right and extrusion, and the wrapping drawstring 21 is fit and bound and sealed on the outer wall of the rubber sleeve 25. At the same time, the guide column 14 supports the support sleeve 29, the support sleeve 29 supports the support block 28, the support block 28 provides support force for the two arc-shaped limit blocks 27, the arc-shaped limit block 27 supports the limit strip 26, and the two limit strips 26 limit the two sides of the wrapping drawstring 21. At the same time, two arc-shaped limit blocks 27 limit the wrapping drawstring 21 on both sides, so that the wrapping drawstring 21 can constrain and squeeze the outer wall of the rubber sleeve 25 according to the specified limit position, so that the rubber sleeve 25 can fit and limit at the outer wall position of the docking optical cable 40, so that the docking optical cable 40 and the rubber sleeve 25 can fit and seal and waterproof. Torque sensing is performed on the torque sensor 5 through the bidirectional screw 3. When the torque value sensed by the torque sensor 5 is the same as the torque set by the controller 19, the micro reduction motor 4 is turned off through the controller 19. Even if the water penetrates into the optical cable sleeve 15, the water can be known in time, so that the waterproof protection effect is better. In this way, after the two docking optical cables 40 are installed and docked on the connector terminal 30, they have a waterproof protection function in time to avoid water penetration.

[0040] The contents not described in detail in the specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used. In this technical solution, the electrical control components not mentioned are not shown in the figure because they belong to the prior art and will not be described here.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An optical cable splice box that is waterproof from external intrusion, comprising a bottom box (1), a support frame (2) being fixedly connected to one side of the inner wall of the bottom box (1), a bidirectional screw (3) being rotatably connected to the interior of the support frame (2), characterized in that: One end of the support frame (2) is provided with a synchronous fixed force waterproof mechanism; The synchronous constant force waterproof mechanism comprises a micro reduction motor (4) fixedly arranged at one end of the support frame (2), and the micro reduction motor (4) is used to drive the bidirectional screw (3) to rotate, and a torque sensor (5) is fixedly installed at one end of the bidirectional screw (3), and the torque sensor (5) is fixedly connected to the bottom box (1); The outer wall of the bidirectional screw (3) is threadedly connected to two sleeve blocks (6), one side of each sleeve block (6) is fixedly connected to a linkage bar (7), the lower surface of the linkage bar (7) is fixedly connected to a concave block (8), the inner wall of the concave block (8) is fixedly mounted with two hinge shafts (9), and the outer wall of each hinge shaft (9) is rotatably connected to a push sleeve rod (10); A linkage shaft (11) is rotatably connected to the inner wall of the pushing sleeve rod (10) at a position away from the hinge shaft (9); a hinge sleeve block (12) is fixedly connected to the bottom end of the linkage shaft (11); a groove sleeve block (13) is provided on one side of the hinge sleeve block (12); and the groove sleeve block (13) is fixedly connected to another linkage shaft (11); The inner wall of the groove sleeve block (13) is provided with a guide column (14), both sides of the bottom box (1) are fixedly connected with an optical cable sleeve (15), the bottom end of the hinged sleeve block (12) is provided with a fitting limit sealing mechanism, and the interior of the optical cable sleeve (15) is provided with a timely waterproof detection component.

2. The optical cable splice box according to claim 1, characterized in that: The two sleeve blocks (6) are both slidably connected to the support frame (2), and the two outer wall threads of the bidirectional screw (3) are opposite and symmetrically arranged; The output end of the micro reduction motor (4) is fixedly connected to the bidirectional screw (3).

3. The optical cable splice box according to claim 1, characterized in that: The hinged sleeve block (12) and the groove sleeve block (13) are both slidably connected to the guide column (14), and the guide column (14) is fixedly connected to the bottom box (1); The vertical cross-section of the guide column (14) is circular.

4. The optical cable splice box according to claim 1, characterized in that: The top end of the bottom box (1) is connected to a sealing strip (16), the top end of the sealing strip (16) is bonded to a cover plate (17), and the inner thread of the cover plate (17) is connected to a plurality of bolts (18); The plurality of bolts (18) are all threadedly connected to the bottom box (1).

5. The optical cable splice box resistant to external water intrusion according to claim 1, characterized in that: A controller (19) is installed on one side of the micro reduction motor (4), and the controller (19) is fixedly connected to the bottom box (1).

6. The optical cable splice box according to claim 1, characterized in that: The fitting limiting sealing mechanism comprises a pull block (20) fixedly arranged at the bottom end of the groove sleeve block (13); One side of the pull block (20) is fixedly connected to a wrapping drawstring (21); the bottom end of the hinged sleeve block (12) is fixedly connected to a sliding sleeve block (22); the sliding sleeve block (22) is slidably connected to the wrapping drawstring (21); one side of the sliding sleeve block (22) is fixedly connected to two pressing blocks (23); both of the two pressing blocks (23) are slidably connected to the wrapping drawstring (21); The inner wall of the wrapping drawstring (21) is connected to a rubber sleeve (25), the rubber sleeve (25) is fixedly connected to the optical cable sleeve (15), and one end of the rubber sleeve (25) is fixedly connected to a support ring (24); Limiting strips (26) are provided on both sides of the wrapping drawstring (21), one end of each limiting strip (26) is fixedly connected to an arc-shaped limiting block (27), one side of the arc-shaped limiting block (27) is provided with a supporting block (28), the two arc-shaped limiting blocks (27) are fixedly connected to the supporting block (28), a supporting sleeve block (29) is fixedly installed on the upper surface of the supporting block (28), and the supporting sleeve block (29) is fixedly connected to the guide column (14); A joint terminal (30) is fixedly connected to the bottom end of the inner wall of the bottom box (1) and close to the middle thereof, and a plurality of screws (31) are connected to the inner thread of the joint terminal (30).

7. The optical cable splice box according to claim 6, characterized in that: The vertical cross-section of the pressing block (23) is in the shape of an arc, and the two pressing blocks (23) are symmetrically arranged with respect to the wrapping drawstring (21); The outer walls of the two pressing blocks (23) are both smooth surfaces.

8. The optical cable splice box resistant to external water intrusion according to claim 6, characterized in that: The two arc-shaped limit blocks (27) are symmetrically arranged with respect to the wrapping drawstring (21), and the arc-shaped limit blocks (27) and the limit strip (26) are both made of stainless steel.

9. The optical cable splice box resistant to external water intrusion according to claim 1, characterized in that: The timely waterproof detection component comprises a sealing sleeve (32) fixedly arranged inside the optical cable sleeve (15); A docking optical cable (40) is arranged inside the sealing sleeve (32), a collecting hole (33) is opened on one side of the sealing sleeve (32), a limiting ring (34) fixedly connected to the optical cable sleeve (15) is arranged on one side of the collecting hole (33), and a pillar (35) is fixedly connected to one side of the limiting ring (34); A baffle ring (36) is bonded to one end of the support (35), and the baffle ring (36) is fixedly connected to the optical cable sleeve (15); a flow guide tube (37) is connected to the bottom end of the collecting hole (33), and the flow guide tube (37) is fixedly connected to the optical cable sleeve (15); and a collecting tube (38) is fixedly connected to the bottom end of the flow guide tube (37); The bottom end of the inner wall of the collecting pipe (38) is fixedly connected to an immersion sensor (39).

10. The optical cable splice box resistant to external water intrusion according to claim 9, characterized in that: The sealing sleeve (32) is made of a rubber material, and the vertical cross-section of the sealing sleeve (32) is in the shape of a circular ring. The sealing sleeve (32) is used for squeezing and sealing the butt-jointed optical cable (40).

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