CN114779419B

CN114779419B - Anti-theft device and method for optical cable terminal box along highway

Info

Publication number: CN114779419B
Application number: CN202210467743.4A
Authority: CN
Inventors: 贾文章; 张卫国; 马立伟
Original assignee: Jiangsu Xibei Electronic Network Co ltd
Current assignee: Jiangsu Xibei Electronic Network Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-12-20
Anticipated expiration: 2042-04-29
Also published as: CN114779419A

Abstract

The invention belongs to the technical field of communication, in particular to an anti-theft device and an anti-theft method for an optical cable terminal box along a highway, which comprises a box body; the up end sliding cover of box body has closed the lid, the front end of box body side fixed mounting has the female head of a plurality of adapters, and is a plurality of in the public head of adapter inserts female head, a plurality of U type draw-in grooves have evenly been seted up to the terminal surface under the fixed cardboard, and is a plurality of the equal block of notch of U type draw-in groove is to public overhead, and the rear end face of fixed cardboard and the laminating of public overhead locating plate side, and is a plurality of the leading flank of U type draw-in groove is fixed to U type dop, the equal fixed mounting of both ends medial surface of fixed cardboard has the direction inserted bar, positioning mechanism is used for fixing a position the direction inserted bar that inserts in the box body, through mutually supporting anti-theft device and terminal box, fixed cardboard and a plurality of U type dops can carry out the theftproof protection to a plurality of adapters after the interconnect.

Description

Anti-theft device and method for optical cable terminal box along highway

Technical Field

The invention belongs to the technical field of communication, and particularly relates to an anti-theft device and an anti-theft method for an optical cable terminal box along a highway.

Background

The high-low voltage cable of the highway becomes the object of stealing by criminals. The theft of highway cables has severely affected the normal operation and management of the highway. While causing major property loss in the country, it also creates a huge potential safety hazard for vehicles running on the highway, causing immeasurable direct or indirect economic loss. Therefore, how to effectively monitor the safety of the cable and give early warning before the cable is damaged and stolen has important significance to the normal operation of highway traffic engineering facilities;

the patent name of the device is CN203941586U, the device is composed of a sensing optical cable terminal box, a sensing optical cable, a guide optical cable, a master control instrument, a guide optical cable, an optical fiber signal analyzer and a master control computer, wherein the sensing optical cable terminal box is respectively connected with the sensing optical cable, the cable and the guide optical cable, the master control instrument is connected with the sensing optical cable terminal box through the guide optical cable, the master control instrument is connected with the optical fiber signal analyzer through the guide optical cable, and the optical fiber signal analyzer is connected with the master control computer.

It is obvious that although the above patent can play the role of warning when the optical cable terminal box is stolen, because the male head and the female head of the adapter on the existing terminal box are mostly connected in an inserting way, the thief only needs to disassemble a plurality of adapters on the terminal box, and then disassembles the fixing bolt of the terminal box, so that the whole terminal box can be stolen, and the difficulty of stealing the terminal box by the thief is further reduced.

Therefore, the invention provides an anti-theft device and an anti-theft method for an optical cable terminal box along a highway.

Disclosure of Invention

To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an anti-theft device for an optical cable terminal box along a highway, which comprises a box body; the upper end face of the box body is covered with a box cover in a sliding mode, female heads of a plurality of adapters are fixedly mounted on the side face of the front end of the box body, male heads of the adapters are inserted into the female heads, an anti-theft mechanism is mounted on the front end face of the box body and used for fixing the male heads inserted into the female heads, the anti-theft mechanism comprises a fixing clamping plate, U-shaped clamping heads and a guide inserting rod, a plurality of U-shaped clamping grooves are uniformly formed in the lower end face of the fixing clamping plate, notches of the U-shaped clamping grooves are clamped on the male heads, the rear end face of the fixing clamping plate is attached to the side face of a positioning plate on the male heads, the U-shaped clamping heads are fixed to the front side face of the U-shaped clamping grooves in a closed state, the male heads are connected with optical cables, guide inserting rods are fixedly mounted on the inner side faces of two ends of the fixing clamping plate, inserting holes corresponding to the guide inserting rods in a sliding and inserting mode are formed in the front end face of the box body, a positioning mechanism is arranged below the top end face of the box body and used for positioning and fixing the guide inserting rods inserted into the box body; when the terminal box is in work, as the male head and the female head of the adapter on the existing terminal box are mostly connected in an inserting way, a thief only needs to disassemble a plurality of adapters on the terminal box and then disassemble the fixing bolt of the terminal box, so that the whole terminal box can be stolen, and the difficulty of the thief in stealing the terminal box is further reduced; therefore, when the assembled terminal box needs to be installed, a plurality of male heads of the adapter are inserted into a plurality of female heads, then the guide inserting rods of the anti-theft mechanism are inserted into corresponding jacks, the fixing clamping plates are continuously pushed by an assembler to continuously insert the guide inserting rods into the jacks, when the fixing clamping plates move, a plurality of U-shaped clamping grooves are clamped on the male heads, the inner side surfaces of the fixing clamping plates are attached to the positioning plates of the male heads simultaneously for fixing and protecting the female heads and the male heads which are mutually inserted, a plurality of U-shaped clamping heads on the outer side surfaces of the fixing clamping plates are correspondingly clamped at the ends of the male heads and the ends connected with optical cables for protecting the male heads and the ends connected with the optical cables, when the fixing clamping plates and the U-shaped clamping heads are respectively attached to the positioning plates and the ends of the male heads, the guide inserting rods are correspondingly inserted into the box body and aligned with the positioning mechanism, then the assembling personnel slide the box cover to cover at the upper end surface opening position of the box body, the box cover can continuously slide and extrude the positioning mechanism, the positioning rods can position the guide inserting rods to the box cover and fix the box cover on the box body through bolts, and then the box cover can be conveniently installed by the box cover by the cable, and the box cover; through mutually supporting anti-theft device and terminal box, fixed cardboard and a plurality of U type dop can carry out the theftproof protection to a plurality of adapters after the interconnect, and because fixed cardboard is through the hidden fixing of direction inserted bar inside the box body, therefore, need the theftproof personnel just can dismantle the public head and the female head of adapter under the prerequisite of destroying the lid, consequently, the thief personnel need destroy the whole of terminal box, just can steal the terminal box, and then increase the degree of difficulty that the thief stolen terminal box.

Preferably, the upper end surface of the box body is open, guide sliding plates are fixed on the left side surface and the right side surface of the open box body, guide sliding grooves with symmetrical openings are formed in the guide sliding plates, the box cover is inserted into the guide sliding grooves in a sliding mode, and the box cover is fixed to the upper end surface of the box body through bolts; the during operation, when needs close the lid box body on, assembly quality aligns the preceding terminal surface and the direction spout of lid, then continuous promotion lid for the lid constantly slides forward inside the direction spout, after the lid closed the box body up end completely, assembly quality passes through the bolt with the lid fixed to the box body, and then be convenient for seal the box body.

Preferably, the lower surface of the front end of the box cover is provided with an extrusion chute, the front end surface of the extrusion chute is provided with an extrusion surface which inclines upwards, the positioning mechanism comprises positioning insertion rods, limiting blocks and limiting springs, a plurality of positioning insertion rods vertically slide downwards to penetrate through the lower groove wall of the guide chute, the lower end parts of the positioning insertion rods are aligned with positioning holes formed in the upper end surface of the guide insertion rods, the limiting blocks are respectively fixed on the positioning insertion rods, the limiting blocks fixed on the positioning insertion rods are connected to the outer part of the lower groove wall of the extrusion chute through the limiting springs, and the top end surfaces of the positioning insertion rods are in sliding extrusion contact with the extrusion chute and the extrusion surface formed in the lower surface of the box cover; when the anti-theft box is in work, when the guide insertion rod is inserted into the box body, a plurality of positioning holes formed in the upper surface of the guide insertion rod can be aligned with a plurality of positioning insertion rods, then when the front end face of the box cover continuously slides in the guide sliding groove, the extrusion face formed in the front end of the box cover can be in contact with the top end face of the positioning insertion rod at the rearmost end in the guide sliding groove, along with continuous movement of the box cover, the extrusion face can be in continuous contact with the positioning insertion rods, meanwhile, the positioning insertion rods can sequentially and vertically slide downwards under the extrusion force of the inclined extrusion face, the limiting spring on the limiting block can be continuously stretched, after the positioning insertion rods are completely extruded and inserted into the positioning holes of the guide insertion rods, the continuous sliding of the box cover can enable the positioning insertion rods to move in the extrusion sliding groove, the extrusion sliding groove can position the positioning insertion rods, and the positioning insertion rods can be conveniently fixed in the guide insertion rod inserted into the box body, so that the anti-theft mechanism can be fixed in the box body in a hidden mode, and the anti-theft effect of the anti-theft mechanism on the terminal box is improved; when maintenance personal need maintain the change to single or wherein several adapters, maintenance personal drives the bolt on the lid, then promotes the lid backward for extrusion spout on the lid breaks away from spacing to a plurality of location inserted bars, consequently, a plurality of location inserted bars upwards slide respectively under spacing spring's the restoring force and break away from in the locating hole, then maintenance personal twitches fixed cardboard, makes the direction inserted bar slide to the box body outside, thereby be convenient for maintain the change to the adapter.

Preferably, a positioning cavity is formed in the upper groove wall of the extrusion chute and is positioned between two adjacent positioning insertion rods, a threaded hole is formed in the upper wall of the positioning cavity, the upper groove wall of the guide chute is aligned with and penetrates through the threaded hole, an insertion block is slidably connected inside the positioning cavity through a limiting spring, and the upper surface of the insertion block is in extrusion contact with the bolt; the during operation, after the lid closes the box body completely, be located the threaded hole of lid foremost upper surface and install the bolt when, constantly move down at threaded hole inside along with the bolt, the grafting piece of the intracavity portion of fixing a position can be extruded to the bottom portion of bolt, make the grafting piece move down between two adjacent location inserted bars in the location intracavity, and the spacing spring of grafting piece top this moment can be stretched, the grafting piece that inserts between two location inserted bars can play spacing effect to the upper end of location inserted bar, prevent that the thief from pulling fixed cardboard by force, lead to the direction inserted bar to drive the location inserted bar and produce the slope, thereby lead to the top of location inserted bar because the pulling force and produce horizontal migration's phenomenon.

Preferably, a fixing elastic sheet is arranged on the lower surface of the plug-in block, a contact elastic sheet is arranged between two adjacent positioning plug-in blocks, a pressure switch is arranged on the lower end surface of the contact elastic sheet and used for detecting the pressure of the contact elastic sheet on the fixing elastic sheet, and the pressure switch is in electric signal connection with an alarm arranged on the box body; when the box cover is in work, when the inserting block slides downwards under the extrusion force of the bolt, the inserting block can drive the fixed elastic sheet to move downwards to extrude the contact elastic sheet, the pressure on the contact elastic sheet can be transmitted to the pressure switch, after the bolt is completely fastened on the box cover, the pressure value on the pressure switch is necessarily in a constant value state, the constant value is set as a rated pressure, and then the pressure switch, the controller and the alarm are connected through electric signals; when a thief steals the components inside the terminal box, and at the moment, if the thief dismantles or destroys the bolt, the inserting block moves upwards under the restoring force of the limiting spring, the fixed elastic piece is inevitably separated from the contact elastic piece, the pressure value borne by the pressure switch is continuously reduced and is smaller than the rated pressure set by safety personnel, the alarm on the box body can give out alarm sound at the moment, so that the thief is reminded and frightened, meanwhile, the camera arranged around the terminal box can shoot the periphery of the terminal box along with the alarm sound and the light of the alarm, and the anti-theft function of the optical cable terminal box is further improved; if when maintenance personal need dismantle the screw and maintain the inside components and parts of terminal box, can break off the signal of telecommunication that pressure switch and alarm are connected through peculiar technique this moment, and then when the lid carries out safe dismantlement for alarm signal can not sent out to the alarm.

Preferably, the anti-theft device further comprises elastic wrapping pipes, the elastic wrapping pipes are all mounted on the front end face of the U-shaped clamping block, bayonets are formed in the lower end face of each elastic wrapping pipe, and each elastic wrapping pipe is made of elastic metal materials; the during operation, because the optical cable who is connected to public head need expose a section length in the outside, just can connect the adapter, consequently, in order to prevent that the thief from directly tailorring the optical cable that exposes in the outside, assembly quality person is when fixing the cardboard block to public head position, constructor can open the bayonet socket of elasticity parcel pipe this moment, then wrap up its block on the optical cable that exposes, the bayonet socket of breaking off with fingers and thumb is closed, and then be convenient for carry out safety protection to naked optical cable, prevent that the thief from directly cutting the optical cable of adapter end connection, steal the terminal box, and elasticity metal material's elasticity parcel ring can improve the anti shear capacity of the optical cable that exposes in the outside.

Preferably, an electric magnetic strip is arranged on one side wall of the bayonet, a metal strip is arranged on the other side wall of the bayonet, the metal strip is magnetically adsorbed when the electric magnetic strip is electrified, a pressure sensor is wrapped and installed on the surface of the metal strip through an elastic insulating material, and the pressure sensor is electrically connected to an alarm; when the optical cable sealing device works, when the elastic wrapping pipe wraps the outside of the optical cable and the bayonets are aligned, the electromagnetic strip on one side of the bayonets is electrified to perform magnetic adsorption and fixation on the metal strip, so that the bayonets of the elastic wrapping pipe can be closed, and the pressure sensor can bear pressure; when a thief forcibly breaks the bayonet, the elastic wrapping pipe is detached from the optical cable line, the bayonet of the elastic wrapping pipe can be forcibly opened, but the pressure sensor on one side wall of the bayonet loses pressure, then the pressure sensor transmits a pressure loss signal to the controller, and the controller controls the alarm to send an alarm signal so as to expel the thief; when maintenance personnel need dismantle the maintenance with one of them adapter, can break off pressure sensor and the signal of telecommunication that the alarm is connected through peculiar technique this moment, and then when carrying out safety maintenance at the lid for alarm signal can not sent out to the alarm, and maintenance personnel carry out normal maintenance.

Preferably, a leakage cavity is formed in the elastic wrapping tube, and powder pigment is filled in the leakage cavity; when the optical cable or the external wrapping layer at the end part of one adapter is cut off by a thief during working, the thief is frightened by the alarm to escape, and then the maintenance personnel need to maintain the damaged optical cable, the leakage cavity in the cut elastic wrapping pipe can spray the powder pigment filled in the leakage cavity to the periphery of the elastic wrapping pipe or the cable, and then the maintenance personnel can quickly maintain and replace the correspondingly cut cable in the adapters.

Preferably, the U-shaped chuck is made of a mesh-shaped rubber material; the U-shaped clamping head is made of the meshed rubber material, so that the adapter can be cooled, and the phenomenon that the safety use of the adapter is affected due to the fact that the heat generated at the joint of the adapter is too high is prevented.

An anti-theft method for an optical cable terminal box along a highway is suitable for the anti-theft device, and comprises the following steps:

s1: when the electric element is firstly installed in the box body, then the box body is installed in the area to be installed, and then a plurality of male heads of the adapter are inserted into a plurality of female heads, so that the terminal box is installed;

s2: firstly, inserting a guide inserted bar of the anti-theft mechanism into a corresponding jack, and continuously inserting the guide inserted bar into the jack along with the continuous pushing of an assembler, wherein when the fixed card moves, a plurality of U-shaped clamping grooves are clamped on a male head, and meanwhile, the inner side surface of the fixed card is attached to a positioning plate of the male head and is used for fixing and protecting the female head and the male head which are mutually inserted;

s3: then the assembly personnel close the lid sliding cover to the up end open position of box body, along with the continuous slip of lid, the front end portion of lid can extrude positioning mechanism, and positioning mechanism will fix a position the direction inserted bar, and after the lid closed the box body completely, constructor fixed the box body with the lid through the bolt on, and then was convenient for install fixedly to optical cable terminal box.

The invention has the following beneficial effects:

1. according to the anti-theft device and the anti-theft method for the optical cable terminal box along the highway, the anti-theft device is matched with the terminal box, the fixing clamping plate and the U-shaped clamping heads can carry out anti-theft protection on the plurality of adapters connected with each other, and the fixing clamping plate is fixed in the box body in a hidden mode through the guide inserting rod, so that a burglar can detach the male head and the female head of the adapter on the premise that the box cover is damaged, the burglar can steal the terminal box by destroying the whole terminal box, and the difficulty of the burglar in stealing the terminal box is increased.

2. According to the anti-theft device and the anti-theft method for the optical cable terminal box along the highway, through mutual matching of the anti-theft mechanism and the positioning mechanism, after the positioning insertion rods are completely extruded and inserted into the positioning holes of the guide insertion rods, the multiple positioning insertion rods can move in the extrusion sliding grooves due to the continuous sliding of the box cover, so that the extrusion sliding grooves can perform a positioning function on the multiple positioning insertion rods, the multiple positioning insertion rods can conveniently fix the guide insertion rods inserted into the box body, the anti-theft mechanism can be fixed in the box body in a hidden mode, and the anti-theft effect of the anti-theft mechanism on the terminal box is improved.

Drawings

The invention will be further described with reference to the accompanying drawings.

Fig. 1 is an assembled perspective view of the terminal enclosure and the anti-theft mechanism of the present invention;

FIG. 2 is a cross-sectional view of the terminal enclosure of the present invention;

fig. 3 is a cross-sectional view of the front corner of the terminal enclosure of the present invention;

FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 2;

FIG. 5 is an enlarged view of a portion of the invention at B in FIG. 3;

FIG. 6 is a schematic view of the anti-theft mechanism of the present invention;

FIG. 7 is a block flow diagram of the method of the present invention;

in the figure: 1. a box body; 2. a box cover; 21. extruding the chute; 22. a positioning cavity; 23. a threaded hole; 3. an adapter; 31. a female head; 32. a male head; 33. positioning a plate; 4. an anti-theft mechanism; 41. fixing the clamping plate; 411. a U-shaped clamping groove; 42. a U-shaped chuck; 43. a guide insertion rod; 431. positioning holes; 44. an elastic wrapping tube; 441. a bayonet; 442. a leakage cavity; 5. a positioning mechanism; 51. positioning the inserted rod; 52. a limiting block; 53. a limiting spring; 6. a guide slide plate; 61. a guide chute; 7. an insertion block; 8. fixing the elastic sheet; 9. a contact spring; 10. an electric magnetic strip; 11. a metal strip.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example one

As shown in fig. 1 to 6, an anti-theft device for an optical cable terminal box along a highway according to an embodiment of the present invention includes a box body 1; the upper end face of the box body 1 is covered with the box cover 2 in a sliding manner, female heads 31 of a plurality of adapters 3 are fixedly mounted on the front end face of the box body 1, male heads 32 of the plurality of adapters 3 are inserted into the female heads 31, an anti-theft mechanism 4 is mounted on the front end face of the box body 1, the anti-theft mechanism 4 is used for fixing the plurality of male heads 32 inserted into the female heads 31, the anti-theft mechanism 4 comprises a fixing clamping plate 41, a U-shaped clamping head 42 and a guiding insertion rod 43, a plurality of U-shaped clamping grooves 411 are uniformly formed in the lower end face of the fixing clamping plate 41, notches of the plurality of U-shaped clamping grooves 411 are clamped on the male heads 32, the rear end face of the fixing clamping plate 41 is attached to the side face of a positioning plate 33 on the male heads 32, the plurality of U-shaped clamping heads 42 are fixed to the front side face of the U-shaped clamping grooves 411, the plurality of U-shaped clamping heads 42 are clamped to the positions where the male heads 32 are connected with optical cables in a closed state, guiding insertion rods 43 are fixedly mounted on the inner side faces of two ends of the fixing clamping plate 41, the front end face of the box body 1 is provided with the guiding insertion rod 43, the inserting mechanism 43 corresponding to the positioning mechanism, and the lower end face of the positioning mechanism 5 is used for positioning mechanism 5 inserted into the box body 1; during operation, as most of the male heads 32 and the female heads 31 of the adapters 3 on the existing terminal box are mutually connected in an inserting manner, the whole terminal box can be stolen by a thief only needing to disassemble a plurality of adapters 3 on the terminal box and then disassembling the fixing bolt of the terminal box, so that the difficulty of the thief in stealing the terminal box is reduced; therefore, when the assembled terminal box needs to be installed, a plurality of male heads 32 of the adapter 3 are inserted into a plurality of female heads 31 at this time, then the guiding insertion rods 43 of the anti-theft mechanism 4 are inserted into corresponding jacks at first, the fixing clamping plate 41 is continuously pushed by an assembler, so that the guiding insertion rods 43 are continuously inserted into the jacks, when the fixing clamping plate 41 moves, a plurality of U-shaped clamping grooves 411 are clamped onto the male heads 32, meanwhile, the inner side surface of the fixing clamping plate 41 is attached onto the positioning plate 33 of the male heads 32, so as to fix and protect the female heads 31 and the male heads 32 which are inserted into each other, and a plurality of U-shaped clamping heads 42 on the outer side surface of the fixing clamping plate 41 are correspondingly clamped onto the end portions of the male heads 32 and the cables, so as to protect the male heads 32 and the end portions of the connecting optical cables, when the fixing clamping plates 41 and the U-shaped clamping heads 42 are respectively attached back to the end portions of the positioning plate 33 and the male heads 32, at this time, the guiding insertion rods 43 are also inserted into the positions of the box body 1 and aligned with the positioning mechanism 5, then the fixing mechanism can extrude the fixing mechanism 2 onto the end portions of the box body 2 after the fixing clamping plate 41 and the box cover 2 are completely, and the fixing mechanism is constructed, and the fixing mechanism is inserted into the box cover 2, so as to fix the end portions of the box cover 2, and fix the end portions of the box body 2, and fix the box cover 2; through mutually supporting anti-theft device and terminal box, fixed cardboard 41 and a plurality of U type dop 42 can carry out the theftproof protection to a plurality of adapters 3 after the interconnect, and because fixed cardboard 41 is through the hidden fixing in box body 1 inside of direction inserted bar 43, therefore, need the theftproof personnel just can dismantle adapter 3's public head 32 and female head 31 under the prerequisite of destroying lid 2, consequently, the thief personnel need destroy the whole of terminal box, just can steal the terminal box, and then increase the degree of difficulty that the thief personnel stolen terminal box.

As shown in fig. 1 to 3 and 5, the upper end surface of the box body 1 is open, guide sliding plates 6 are fixed to both left and right sides of the open shape, guide sliding grooves 61 with symmetrical openings are formed in the guide sliding plates 6, the box cover 2 is slidably inserted into the guide sliding grooves 61, and the box cover 2 is fixed to the upper end surface of the box body 1 through bolts; the during operation, when needs close box body 1 with lid 2 lid on, assembly personnel aligns lid 2's preceding terminal surface with direction spout 61, then continuous promotion lid 2 for lid 2 constantly slides forward inside direction spout 61, after lid 2 covers completely closes box body 1 up end, assembly personnel pass through the bolt with lid 2 fixed to box body 1 on, and then be convenient for seal box body 1.

As shown in fig. 3 and 5, an extrusion sliding groove 21 is formed in the lower surface of the front end of the box cover 2, and an extrusion surface inclined upward is formed in the front end surface of the extrusion sliding groove 21, the positioning mechanism 5 includes positioning insertion rods 51, limiting blocks 52 and limiting springs 53, a plurality of the positioning insertion rods 51 vertically slide downward to pass through the lower groove wall of the guide sliding groove 61, and the lower end portions thereof are aligned with positioning holes 431 formed in the upper end surface of the guide insertion rod 43, the limiting blocks 52 are respectively fixed on the plurality of the positioning insertion rods 51, the limiting blocks 52 fixed on the positioning insertion rods 51 are connected to the outer portion of the lower groove wall of the extrusion sliding groove 21 through the limiting springs 53, and the top end surfaces of the plurality of the positioning insertion rods 51 are in sliding extrusion contact with the extrusion sliding groove 21 and the extrusion surface formed in the lower surface of the box cover 2; during operation, when the guiding insertion rod 43 is inserted into the box body 1, the plurality of positioning holes 431 formed in the upper surface of the guiding insertion rod 43 can be aligned with the plurality of positioning insertion rods 51, and then when the front end surface of the box cover 2 continuously slides in the guiding sliding groove 61, the extrusion surface formed in the front end of the box cover 2 can be firstly contacted with the top end surface of the positioning insertion rod 51 at the rearmost end in the guiding sliding groove 61, along with the continuous movement of the box cover 2, the extrusion surface can be continuously contacted with the plurality of positioning insertion rods 51, and simultaneously, the plurality of positioning insertion rods 51 can sequentially slide vertically downwards under the extrusion force of the inclined extrusion surface, at this time, the limiting spring 53 on the limiting block 52 can be continuously stretched, after the positioning insertion rods 51 are completely extruded and inserted into the positioning holes 431 of the guiding insertion rod 43, the continuous sliding of the box cover 2 can enable the plurality of positioning insertion rods 51 to move in the extrusion sliding groove 21, so that the extrusion sliding groove 21 can position the plurality of positioning insertion rods 51, thereby facilitating the plurality of positioning insertion rods 51 to fix the guiding insertion rod 43 inserted into the box body 1, and enabling the antitheft mechanism 4 to be fixed inside the antitheft terminal box body, thereby improving the antitheft mechanism; when the maintenance personnel need to maintain and replace a single or a plurality of adapters 3, the maintenance personnel drive the bolts on the box cover 2 and then push the box cover 2 backwards, so that the extrusion sliding grooves 21 on the box cover 2 are separated from the limit positions of the positioning insertion rods 51, therefore, the positioning insertion rods 51 are separated from the positioning holes 431 in an upward sliding mode under the restoring force of the limiting springs 53 respectively, and then the maintenance personnel pull the fixing clamping plates 41 to enable the guiding insertion rods 43 to slide towards the outside of the box body 1, so that the adapters 3 can be maintained and replaced conveniently.

As shown in fig. 5, a positioning cavity 22 is formed in an upper groove wall of the extrusion chute 21, the positioning cavity 22 is located between two adjacent positioning insertion rods 51, a threaded hole 23 is formed in an upper groove wall of the positioning cavity 22, the upper groove wall of the guide chute 61 is aligned and penetrated by the threaded hole 23, an insertion block 7 is slidably connected inside the positioning cavity 22 through a limiting spring 53, and an upper surface of the insertion block 7 is in compression contact with a bolt; during operation, after box cover 2 completely covers box body 1, be located the box cover 2 and install the bolt in the screw hole 23 of front end upper surface, along with the bolt constantly at the inside downstream of screw hole 23, the bottom portion of bolt can extrude the grafting piece 7 of location chamber 22 inside, make the grafting piece 7 move down in location chamber 22 between two adjacent location inserted bars 51, and the spacing spring 53 of the grafting piece 7 top can be stretched this moment, the grafting piece 7 of inserting between two location inserted bars 51 can play spacing effect to the upper end of location inserted bar 51, prevent that the thief from pulling fixed cardboard 41 by force, lead to direction inserted bar 43 to drive location inserted bar 51 and produce the slope, thereby lead to the top of location inserted bar 51 to produce the phenomenon of horizontal migration because of pulling the power.

As shown in fig. 5, a fixing elastic sheet 8 is mounted on the lower surface of the insertion block 7, a contact elastic sheet 9 is mounted between two adjacent positioning insertion joints, a pressure switch is arranged on the lower end surface of the contact elastic sheet 9 and used for detecting the pressure of the contact elastic sheet 9 on the fixing elastic sheet 8, and the pressure switch is in electrical signal connection with an alarm arranged on the box body 1; when the pressure switch works, when the inserting block 7 slides downwards under the extrusion force of the bolt, the inserting block 7 can drive the fixed elastic sheet 8 to move downwards to extrude the contact elastic sheet 9, the pressure on the contact elastic sheet 9 can be transmitted to the pressure switch at the moment, after the bolt is completely fastened on the box cover 2, the pressure value on the pressure switch at the moment is necessarily in a constant value state, the constant value is set to be a rated pressure, and then the pressure switch, the controller and the alarm are connected through electric signals; when a thief steals a component in the terminal box, if the thief detaches or destroys a bolt, and the inserting block 7 moves upwards under the restoring force of the limiting spring 53, the fixing elastic piece 8 is bound to be separated from the contact elastic piece 9, the pressure value borne by the pressure switch is continuously reduced and is smaller than the rated pressure set by a security personnel, the alarm on the box body 1 sends out alarm sound, so that the thief is reminded and scared, meanwhile, cameras arranged around the terminal box shoot the periphery of the terminal box along with the alarm sound and the light of the alarm, and the anti-theft function of the optical cable terminal box is improved; if maintenance person need dismantle the screw when maintaining the inside components and parts of terminal box, can break off the signal of telecommunication that pressure switch and alarm are connected through peculiar technique this moment, and then when lid 2 carries out safe dismantlement for alarm can not send alarm signal.

As shown in fig. 6, the anti-theft device further includes an elastic wrapping tube 44, the elastic wrapping tubes 44 are all mounted on the front end surface of the U-shaped fixture block, a bayonet 441 is disposed on the lower end surface of the elastic wrapping tube 44, and the elastic wrapping tube 44 is made of an elastic metal material; in operation, because the optical cable connected to the male plug 32 needs to be exposed outside for a certain length, the adaptor 3 can be connected, therefore, in order to prevent a thief from directly cutting the optical cable exposed outside, when the assembling personnel clamp the fixing clamping plate 41 to the position of the male plug 32, at this time, the constructor can open the bayonet 441 of the elastic wrapping tube 44 and then clamp and wrap the bayonet 441 on the exposed optical cable, the open bayonet 441 is closed, thereby facilitating the safety protection of the exposed optical cable, preventing the thief from directly cutting the optical cable connected to the end of the adaptor 3, and stealing the terminal box, and the elastic wrapping ring made of elastic metal material can improve the anti-shearing capability of the optical cable exposed outside.

As shown in fig. 6, an electric magnetic stripe 10 is arranged on one side wall of the bayonet 441, a metal strip 11 is arranged on the other side wall of the bayonet 441, when the electric magnetic stripe 10 is powered on, the metal strip 11 is magnetically adsorbed, a pressure sensor is wrapped and installed on the surface of the metal strip 11 through an elastic insulating material, and the pressure sensor is electrically connected to an alarm; when the optical cable is in operation, when the elastic wrapping tube 44 wraps the outside of the optical cable and the bayonets 441 are aligned, the electromagnetic strip 10 on one side of the bayonets 441 is electrified to perform magnetic adsorption and fixation on the metal strip 11, so that the bayonets 441 of the elastic wrapping tube 44 can be closed, and the pressure sensor can be stressed; when a thief forcibly opens the bayonet 441 and detaches the elastic wrapping tube 44 from the optical cable, the bayonet 441 of the elastic wrapping tube 44 can be forcibly opened, but the pressure sensor on one side wall of the bayonet 441 loses pressure, then the pressure sensor transmits a pressure-losing signal to the controller, and the controller controls the alarm to send an alarm signal so as to expel the thief; when maintenance personal need dismantle the maintenance with one of them adapter 3, can break off pressure sensor and the signal of telecommunication that the alarm is connected through peculiar technique this moment, and then when carrying out safety maintenance at lid 2 for alarm signal can not sent out to the alarm, and maintenance personal carries out normal maintenance.

As shown in fig. 4, the U-clamp 42 is made of a mesh rubber material; the U-shaped clamping head 42 is made of the mesh-shaped rubber material, so that the adapter 3 can be cooled, and the situation that the safety use of the adapter 3 is affected due to the fact that the heat generated at the joint of the adapter 3 is too high is prevented.

As shown in fig. 7, an anti-theft method for an optical cable terminal box along a highway is suitable for the use of the anti-theft device, and comprises the following steps:

s1: when the electrical components are firstly installed in the box body, then the box body is installed in the area to be installed, and then the plurality of male heads 32 of the adapter 3 are inserted into the plurality of female heads 31, so that the terminal box is installed;

s2: firstly, inserting the guide inserting rod 43 of the anti-theft mechanism 4 into the corresponding jack, and continuously pushing the fixed clamping plate 41 along with an assembler so that the guide inserting rod 43 is continuously inserted into the jack, when the fixed clamping plate 41 moves, clamping the plurality of U-shaped clamping grooves 411 onto the male head 32, and simultaneously attaching the inner side surface of the fixed clamping plate 41 onto the positioning plate 33 of the male head 32 for fixing and protecting the female head 31 and the male head 32 which are mutually inserted;

s3: then the assembler closes lid 2 sliding cover to the up end open position of box body 1, along with the continuous slip of lid 2, the preceding tip of lid 2 can extrude positioning mechanism 5, and positioning mechanism 5 will fix a position the direction inserted bar 43 fixed, and after lid 2 closed box body 1 completely, constructor fixed lid 2 to box body 1 through the bolt, and then be convenient for install fixedly to optical cable termination box.

Example two

As shown in fig. 4, a first comparative example, in which another embodiment of the present invention is:

a leakage cavity 442 is formed inside the elastic wrapping tube 44, and powder pigment is filled inside the leakage cavity 442; when the optical cable or the external wrapping layer at the end part of one of the adapters 3 is cut off by a thief during operation, the thief is frightened by the alarm to escape, and then the maintenance personnel need to maintain the damaged optical cable, and the leakage cavity in the cut elastic wrapping tube 44 can spray the powder pigment filled in the leakage cavity to the elastic wrapping tube 44 or the cable, so that the maintenance personnel can quickly maintain and replace the correspondingly cut cable in the adapters 3.

When in work: since the male head 32 and the female head 31 of the adapter 3 on the existing terminal box are mostly connected in an inserting manner, the whole terminal box can be stolen only by detaching a plurality of adapters 3 on the terminal box and then detaching the fixing bolt of the terminal box by a thief, thereby reducing the difficulty of the thief in stealing the terminal box; therefore, when the assembled terminal box needs to be installed, a plurality of male heads 32 of the adapter 3 are inserted into a plurality of female heads 31 at this time, then the guiding insertion rods 43 of the anti-theft mechanism 4 are inserted into corresponding jacks at first, the fixing clamping plate 41 is continuously pushed by an assembler, so that the guiding insertion rods 43 are continuously inserted into the jacks, when the fixing clamping plate 41 moves, a plurality of U-shaped clamping grooves 411 are clamped onto the male heads 32, meanwhile, the inner side surface of the fixing clamping plate 41 is attached onto the positioning plate 33 of the male heads 32, so as to fix and protect the female heads 31 and the male heads 32 which are inserted into each other, and a plurality of U-shaped clamping heads 42 on the outer side surface of the fixing clamping plate 41 are correspondingly clamped onto the end portions of the male heads 32 and the cables, so as to protect the male heads 32 and the end portions of the connecting optical cables, when the fixing clamping plates 41 and the U-shaped clamping heads 42 are respectively attached back to the end portions of the positioning plate 33 and the male heads 32, at this time, the guiding insertion rods 43 are also inserted into the positions of the box body 1 and aligned with the positioning mechanism 5, then the fixing mechanism can extrude the fixing mechanism 2 onto the end portions of the box body 2 after the fixing clamping plate 41 and the box cover 2 are completely, and the fixing mechanism is constructed, and the fixing mechanism is inserted into the box cover 2, so as to fix the end portions of the box cover 2, and fix the end portions of the box body 2, and fix the box cover 2; through mutually supporting anti-theft device and terminal box, fixed cardboard 41 and a plurality of U type dop 42 can carry out the theftproof protection to a plurality of adapters 3 after the interconnect, and because fixed cardboard 41 is through the hidden fixing of direction inserted bar 43 inside box body 1, therefore, it just can dismantle the public head 32 and the female head 31 of adapter 3 to need the theftproof personnel to destroy under the prerequisite of lid 2, therefore, the theft personnel need destroy the whole of terminal box, just can steal the terminal box, and then increase the degree of difficulty that the personnel steal the terminal box.

The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention as defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An anti-theft device for an optical cable terminal box along a highway comprises a box body (1); the method is characterized in that: the upper end face of the box body (1) is covered with the box cover (2) in a sliding manner, female heads (31) of a plurality of adapters (3) are fixedly mounted on the front end face of the box body (1), a plurality of male heads (32) of the adapters (3) are inserted into the female heads (31), an anti-theft mechanism (4) is mounted on the front end face of the box body (1), the anti-theft mechanism (4) is used for fixing the plurality of male heads (32) inserted into the female heads (31), the anti-theft mechanism (4) comprises a fixing clamping plate (41), a U-shaped clamping head (42) and a guide inserting rod (43), a plurality of U-shaped clamping grooves (411) are uniformly formed in the lower end face of the fixing clamping plate (41), notches of the plurality of U-shaped clamping grooves (411) are clamped on the male heads (32), the rear end face of the fixing clamping plate (41) is attached to the side face of a positioning plate (33) on the male heads (32), the plurality of U-shaped clamping heads (42) are fixed to the front end face of the U-shaped clamping groove (411), the inner side face of the fixing clamping head (42) is connected with the positioning rod (43) at the inner side face of the male heads (32), the fixing clamping head (41) in a closed state, the inserting mechanism, the inserting rod is arranged at the position of the fixing clamping head (42), the inner side of the fixing clamping head (41), the inserting mechanism, the plug-inserting rod (43), the positioning mechanism (5) is used for positioning and fixing the guide inserted rod (43) inserted into the box body (1).

2. The anti-theft device for an optical cable terminal box along a highway according to claim 1, wherein: the up end of box body (1) is the opening form, and the box body (1) left and right sides face of opening form all is fixed with direction slide (6), set up direction spout (61) of opening symmetry in direction slide (6), lid (2) slip inserts in direction spout (61), and lid (2) pass through the bolt fastening to box body (1) up end.

3. The anti-theft device for an optical cable terminal box along a highway according to claim 2, wherein: extrusion spout (21) have been seted up to the front end lower surface of lid (2), and the ascending extrusion face of slope has been seted up to the preceding terminal surface of extrusion spout (21), positioning mechanism (5) are including location inserted bar (51), stopper (52) and spacing spring (53), and are a plurality of location inserted bar (51) perpendicular downward slip passes the lower cell wall of direction spout (61), and locating hole (431) that its lower tip and direction inserted bar (43) up end were seted up align, and are a plurality of stopper (52) are fixed respectively on a plurality of location inserted bars (51), fix the stopper (52) of location inserted bar (51) are connected to the lower cell wall outside of extrusion spout (21) through spacing spring (53), and are a plurality of extrusion spout (21) and the extrusion face sliding extrusion contact that the top terminal surface of location inserted bar (51) and the lower surface of lid (2) were seted up.

4. The anti-theft device for an optical cable terminal box along a highway according to claim 3, wherein: location chamber (22) have been seted up to the last cell wall of extrusion spout (21), location chamber (22) are located between two adjacent location inserted bars (51), the last cell wall of location chamber (22) sets up threaded hole (23), cell wall also aligns to run through threaded hole (23) on guide chute (61), location chamber (22) are inside to have plug block (7) through spacing spring (53) sliding connection, the upper surface and the bolt extrusion contact of plug block (7).

5. An anti-theft device for an optical cable head along a highway according to claim 4, characterized in that: the lower surface mounting of grafting piece (7) has fixed shell fragment (8), installs contact shell fragment (9) between two adjacent location grafting, and the lower terminal surface of contact shell fragment (9) is equipped with pressure switch, pressure switch is used for detecting the pressure that contact shell fragment (9) received fixed shell fragment (8), the alarm signal connection that sets up on pressure switch and box body (1).

6. The anti-theft device for an optical cable terminal box along a highway according to claim 1, wherein: the anti-theft device further comprises an elastic wrapping pipe (44), the elastic wrapping pipe (44) is mounted on the front end face of the U-shaped clamping block, a bayonet (441) is formed in the lower end face of the elastic wrapping pipe (44), and the elastic wrapping pipe (44) is made of elastic metal materials.

7. The anti-theft device for an optical cable terminal box along a highway according to claim 6, wherein: one side wall of bayonet socket (441) is provided with electric magnetic stripe (10), and another lateral wall of bayonet socket (441) is provided with metal strip (11), electric magnetic stripe (10) carry out magnetic adsorption with metal strip (11) when getting electric, pressure sensor is installed through the elastic insulation material parcel in the surface of metal strip (11), pressure sensor electric signal connection is on the alarm.

8. The anti-theft device for an optical cable terminal box along a highway according to claim 6, wherein: a leakage cavity (442) is formed in the elastic wrapping pipe (44), and powder pigment is filled in the leakage cavity (442).

9. An anti-theft device for an optical cable head along a highway according to claim 3, characterized in that: the U-shaped clamping head (42) is made of a meshed rubber material.

10. An anti-theft method for an optical cable terminal box along a highway is characterized by comprising the following steps: the method is adapted for use with an anti-theft device according to any one of claims 1 to 9, the method comprising the steps of:

s1: when the electric element is installed in the box body, the box body is installed in an area to be installed, and then a plurality of male heads (32) of the adapter (3) are inserted into a plurality of female heads (31), so that the terminal box is installed;

s2: firstly, inserting a guide inserting rod (43) of an anti-theft mechanism (4) into a corresponding jack, and continuously pushing a fixed clamping plate (41) along with an assembler to continuously insert the guide inserting rod (43) into the jack, wherein when the fixed clamping plate (41) moves, a plurality of U-shaped clamping grooves (411) are clamped on a male head (32), and meanwhile, the inner side surface of the fixed clamping plate (41) is attached to a positioning plate (33) of the male head (32) and used for fixing and protecting a female head (31) and the male head (32) which are mutually inserted;

s3: then the assembler closes lid (2) slip lid to the up end open position of box body (1), along with the continuous slip of lid (2), the preceding tip of lid (2) can extrude positioning mechanism (5), positioning mechanism (5) will fix a position direction inserted bar (43), close box body (1) back when lid (2) are covered completely, constructor passes through the bolt with lid (2) fixed to box body (1), and then be convenient for install fixedly to the optical cable terminal box.