CN114779419A

CN114779419A - Anti-theft device and method for optical cable terminal box along highway

Info

Publication number: CN114779419A
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: 2022-07-22
Anticipated expiration: 2042-04-29
Also published as: CN114779419B

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

High and low voltage cables on highways become objects 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 comprises a sensing optical cable terminal box, a sensing optical cable, a guide optical cable, a main control instrument, a guide optical cable, an optical fiber signal analyzer and a main 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 main control instrument is connected with the sensing optical cable terminal box through the guide optical cable, the main 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 main control computer.

Obviously, although the above patent can give an alarm to the optical cable terminal box when the terminal box is stolen, because the male head and the female head of the adapter on the existing terminal box are mostly connected by plugging with each other, the thief only needs to detach a plurality of adapters on the terminal box, then detach the fixing bolt of the terminal box, and can steal the whole terminal box, thereby reducing the difficulty of the thief in stealing the terminal box.

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 manner, the front end face of the box body is fixedly provided with female heads of a plurality of adapters, male heads of the adapters are inserted into the female heads, the front end face of the box body is provided with an anti-theft mechanism, the anti-theft mechanism is used for fixing the male heads inserted into the female heads, the anti-theft mechanism comprises a fixed clamping plate, a U-shaped clamping head and a guide inserting rod, the lower end face of the fixed clamping plate is uniformly provided with a plurality of U-shaped clamping grooves, notches of the U-shaped clamping grooves are clamped on the male heads, the rear end face of the fixed 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, the U-shaped clamping heads are clamped to the positions where the male heads are connected with optical cables in a closed state, the inner side faces at two ends of the fixed clamping plate are fixedly provided with the guide inserting rods, the front end face of the box body is provided with inserting holes corresponding to the guide inserting rods in a sliding manner, a positioning mechanism is arranged below the top end face of the box body and used for positioning and fixing a guide insertion rod 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 guiding inserted bar of the anti-theft mechanism is inserted into the corresponding jack firstly, the fixing clamping plate is continuously pushed by an assembler to ensure that the guiding inserted bar is continuously inserted into the jack, when the fixing clamping plate moves, a plurality of U-shaped clamping grooves are clamped on the male heads, meanwhile, the inner side surface of the fixing clamping plate is attached to the positioning plate of the male heads for fixing and protecting the female heads and the male heads which are mutually inserted, and a plurality of U-shaped clamping heads on the outer side surface of the fixing clamping plate are correspondingly clamped on the end parts of the male heads connected with cables for protecting the male heads and the end parts of the connecting optical cables, when the fixing clamping plate and the U-shaped clamping heads are respectively attached to the positioning plate and the end parts of the male heads, the guiding inserted bar is correspondingly inserted into the box body and aligned with the positioning mechanism, then, an assembler closes the box cover to the opening position of the upper end face of the box body in a sliding mode, along with continuous sliding of the box cover, the front end portion of the box cover can extrude the positioning mechanism, the positioning mechanism can position and fix the guide inserted rod, and after the box cover is completely closed on the box body, a constructor fixes the box cover on the box body through bolts, so that an optical cable terminal box can be conveniently installed and fixed; 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 behind the interconnect, and because fixed cardboard is through the hidden fixing of direction inserted bar inside the box body, therefore, it just can dismantle the public head and the female head of adapter to need the theftproof personnel under the prerequisite of destroying the lid, therefore, 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 face of the box body is open, guide sliding plates are fixed on the left side face and the right side face 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 face of the box body through bolts; the during operation, when needs closed the lid box body on, assembly personnel aligns the preceding terminal surface of lid with the direction spout, 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 personnel fixed the lid to the box body through the bolt, and then are 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 positioning and inserting device works, when the guide inserting rod is inserted into the box body, the plurality of positioning holes formed in the upper surface of the guide inserting rod are aligned with the plurality of positioning inserting rods, then when the front end surface of the box cover continuously slides in the guide sliding groove, the extrusion surface formed in the front end of the box cover firstly contacts with the top end surface of the positioning inserting rod at the rearmost end in the guide sliding groove, along with the continuous movement of the box cover, the extrusion surface continuously contacts with the plurality of positioning inserting rods, meanwhile, the plurality of positioning inserting rods sequentially slide downwards and vertically under the extrusion force of the inclined extrusion surface, the limiting spring on the limiting block continuously stretches, after the positioning inserting rods are completely extruded and inserted into the positioning holes of the guide inserting rods, the plurality of positioning inserting rods can move in the extrusion sliding groove due to the continuous sliding of the box cover, the extrusion sliding groove can position the plurality of positioning inserting rods, and the plurality of positioning inserting rods can fix the guide inserting rods inserted into the box body conveniently, the anti-theft mechanism can be fixed in the box body in a hidden manner, so that 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 several adapters wherein, maintenance personal drives the bolt on the lid, then promote 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 restoring force and break away from in the locating hole, then maintenance personal twitches fixed cardboard, make the direction inserted bar to box body outside slip, 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 at the moment, after the bolt is completely fastened on the box cover, the pressure value on the pressure switch at the moment is inevitably 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 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 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 the lid carries out safe dismantlement for alarm can not send alarm signal.

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 is in work, the elastic wrapping pipe wraps the outside of the optical cable, and when 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 opens the bayonet and detaches the elastic wrapping pipe 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 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, 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 personal normally maintains.

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 sheared elastic wrapping pipe can spray powder pigment filled in the leakage cavity to the elastic wrapping pipe or the cable, so that the maintenance personnel can quickly maintain and replace the correspondingly sheared cable in the adapters.

Preferably, the U-shaped chuck is made of a mesh-shaped rubber material; set up the U type dop into mesh form rubber materials, can play radiating effect to the adapter, prevent that the heat that the junction of adapter produced is too high and influence its safe handling.

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 pushing a fixed clamping plate along with an assembler so that the guide inserted bar is continuously inserted into the jack, wherein when the fixed clamping plate moves, a plurality of U-shaped clamping grooves are clamped on a male head, and meanwhile, the inner side surface of the fixed clamping plate 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 assembler closes the lid slip lid to the up end open position of box body, along with the continuous slip of lid, the preceding tip 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 is convenient for install optical cable termination box fixedly.

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 the 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 plurality of 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 the positioning function on the plurality of positioning insertion rods, the plurality of 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 explained with reference to the 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, the female heads 31 of a plurality of adapters 3 are fixedly mounted on the front end face of the box body 1, the male heads 32 of the adapters 3 are inserted into the female heads 31, the front end face of the box body 1 is provided with the anti-theft mechanism 4, the anti-theft mechanism 4 is used for fixing the 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, the lower end face of the fixing clamping plate 41 is uniformly provided with a plurality of U-shaped clamping grooves 411, notches of the 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 the positioning plate 33 on the male heads 32, the U-shaped clamping heads 42 are fixed to the front side face of the U-shaped clamping grooves 411, the U-shaped clamping heads 42 are clamped to the positions where the male heads 32 are connected with optical cables in a closed state, and the inner side faces of two ends of the fixing clamping plate 41 are fixedly mounted with the guiding insertion rods 43, the front end face of the box body 1 is provided with a jack corresponding to the guide inserted rod 43 in a sliding insertion manner, a positioning mechanism 5 is arranged below the top end face of the box body 1, and the positioning mechanism 5 is used for positioning and fixing the guide inserted rod 43 inserted into the box body 1; during operation, as 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, a thief only needs to disassemble a plurality of adapters 3 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, at this time, the male connectors 32 of the adapter 3 are inserted into the female connectors 31, then the guiding insertion rods 43 of the anti-theft mechanism 4 are inserted into the corresponding insertion holes, the fixing clip plate 41 is pushed continuously by an assembler, so that the guiding insertion rods 43 are inserted into the insertion holes continuously, when the fixing clip plate 41 moves, the U-shaped slots 411 are clamped onto the male connectors 32, and simultaneously the inner side surface of the fixing clip plate 41 is attached to the positioning plate 33 of the male connectors 32, so as to fix and protect the female connectors 31 and the male connectors 32 which are inserted into each other, and the U-shaped clips 42 on the outer side surface of the fixing clip plate 41 are clamped onto the ends of the male connectors 32 and the cables, so as to protect the ends of the male connectors 32 and the cables, when the fixing clip plate 41 and the U-shaped clips 42 are attached back to the positioning plate 33 and the ends of the male connectors 32 respectively, at the moment, the guide inserting rod 43 is correspondingly inserted into the box body 1 and is aligned with the positioning mechanism 5, then an assembler slides the box cover 2 to cover the opening position of the upper end face of the box body 1, along with the continuous sliding of the box cover 2, the front end part of the box cover 2 can extrude the positioning mechanism 5, the positioning mechanism 5 can position and fix the guide inserting rod 43, and after the box cover 2 is completely covered on the box body 1, a constructor fixes the box cover 2 on the box body 1 through bolts, so that the optical cable terminal box can be conveniently installed and fixed; 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.

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, the preceding terminal surface of lid 2 aligns with direction spout 61, then continuous promotion lid 2 for lid 2 constantly slides forward inside direction spout 61, after lid 2 covers completely and closes 1 up end of box body, the assembler fixes lid 2 to box body 1 through the bolt on, and then is convenient for seal box body 1.

As shown in fig. 3 and 5, the lower surface of the front end of the box cover 2 is provided with an extrusion chute 21, and the front end surface of the extrusion chute 21 is provided with an extrusion surface inclined upward, 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 chute 61, and the lower end portions thereof are aligned with the 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 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 chute 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 chute 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 will align 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 pressing surface formed in the front end of the box cover 2 will first contact with the top end surface of the positioning insertion rod 51 at the rearmost end in the guiding sliding groove 61, and along with the continuous movement of the box cover 2, the pressing surface will continuously contact with the plurality of positioning insertion rods 51, and simultaneously the plurality of positioning insertion rods 51 will sequentially slide vertically downward under the pressing force of the inclined pressing surface, at this time, the limiting spring 53 on the limiting block 52 will continuously stretch, and after the positioning insertion rod 51 is completely pressed and inserted into the positioning hole 431 of the guiding insertion rod 43, the plurality of positioning insertion rods 51 will move in the pressing sliding groove 21 due to the continuous sliding of the box cover 2, so that the pressing sliding groove 21 can position the plurality of positioning insertion rods 51, therefore, the positioning insertion rods 51 can fix the guide insertion rod 43 inserted into the box body 1, so that the anti-theft mechanism 4 can be fixed in the box body 1 in a hidden manner, and the anti-theft effect of the anti-theft mechanism 4 on the terminal box is improved; when a maintenance person needs to maintain and replace a single adapter or a plurality of adapters 3, the maintenance person drives the bolts on the box cover 2 and then pushes 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 respectively slide upwards under the restoring force of the limit springs 53 to be separated from the positioning holes 431, and then the maintenance person pulls the fixing clamping plate 41, so that the guide insertion rods 43 slide towards the outside of the box body 1, and the adapters 3 are conveniently maintained and replaced.

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, when being located the screw hole 23 of lid 2 foremost upper surface and installing the bolt, along with the bolt constantly moves down in screw hole 23 inside, the inside grafting piece 7 in location chamber 22 can be extruded to the bottom portion of bolt, make grafting piece 7 move down in location chamber 22 between two adjacent location inserted bars 51, and the spacing spring 53 of inserting 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 the power of pulling.

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 pins, 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 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 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, since the optical cable connected to the male plug 32 needs to be exposed to the outside for a certain length, the adaptor 3 can be connected, so as to prevent a thief from directly cutting the optical cable exposed to the outside, when an assembler clamps the fixing clamping plate 41 to the position of the male plug 32, the constructor can open the bayonet 441 of the elastic wrapping tube 44 and then clamp and wrap the elastic wrapping tube on the exposed optical cable, the open bayonet 441 is closed, so as to conveniently perform security protection on the exposed optical cable, so that the thief is prevented from directly cutting the optical cable connected to the end of the adaptor 3, and steals the terminal box, and the elastic wrapping ring made of elastic metal material can improve the anti-shearing capability of the optical cable exposed to the 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 breaks the bayonet 441 open and detaches the elastic wrapping tube 44 from the optical cable, at the moment, although the bayonet 441 of the elastic wrapping tube 44 can be forcibly opened, the pressure sensor on one side wall of the bayonet 441 loses pressure, 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 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 be sent out to the alarm, and maintenance personal normally maintains.

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 meshed rubber material, so that the adapter 3 can be cooled, and the phenomenon that the safety use of the adapter 3 is affected due to overhigh heat generated at the joint of the adapter 3 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 the up end open position of box body 1 with lid 2 slip lid, 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 fixedly to direction inserted bar 43, and after lid 2 closed box body 1 completely, constructor fixed box body 1 with lid 2 through the bolt on, and then is convenient for install optical cable termination box fixedly.

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 connector works, when a thief cuts off the optical cable at the end part of one adapter 3 or an external wrapping layer, and the thief is frightened by the alarm to escape, the maintenance personnel need to maintain the damaged optical cable, and the leakage cavity inside the cut elastic wrapping pipe 44 can spray the powder pigment filled in the elastic wrapping pipe 44 or around the cable, so that the maintenance personnel can quickly maintain and replace the correspondingly cut cable in the adapters 3.

When in work: since most of the male heads 32 and the female heads 31 of the adapters 3 on the existing terminal box are connected in an inserted manner, the whole terminal box can be stolen by a thief only by detaching a plurality of adapters 3 on the terminal box and then detaching the fixing bolts 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, at this time, the male connectors 32 of the adapter 3 are already inserted into the female connectors 31, then the guiding insertion rods 43 of the anti-theft mechanism 4 are inserted into the corresponding insertion holes first, and as the assembling personnel continuously push the fixing card board 41, the guiding insertion rods 43 are continuously inserted into the insertion holes, when the fixing card board 41 moves, the U-shaped slots 411 are clamped onto the male connectors 32, and simultaneously the inner side surface of the fixing card board 41 is attached to the positioning plate 33 of the male connectors 32 for fixing and protecting the female connectors 31 and the male connectors 32 which are inserted into each other, and the U-shaped clamps 42 on the outer side surface of the fixing card board 41 are correspondingly clamped onto the ends of the male connectors 32 and the cables for protecting the male connectors 32 and the ends of the connecting optical cables, when the fixing card board 41 and the U-shaped clamps 42 are attached to the positioning plate 33 and the ends of the male connectors 32 respectively, at the moment, the guide insertion rod 43 is correspondingly inserted into the box body 1 and is aligned with the positioning mechanism 5, then an assembler slides the box cover 2 to cover the opening position of the upper end face of the box body 1, along with the continuous sliding of the box cover 2, the front end part of the box cover 2 can extrude the positioning mechanism 5, the positioning mechanism 5 can position and fix the guide insertion rod 43, after the box cover 2 is completely covered on the box body 1, a constructor fixes the box cover 2 on the box body 1 through a bolt, and further the optical cable terminal box is convenient to install and fix; 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 so on.

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), 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 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 U-shaped clamping grooves (411) are clamped onto 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), and the U-shaped clamping heads (42) are fixed to the front side face of the U-shaped clamping grooves (411), and a plurality of U type dops (42) are the position that public head (32) and optical cable are connected of enclosed state block, the equal fixed mounting in both ends medial surface of fixed cardboard (41) has direction inserted bar (43), the jack that corresponds with direction inserted bar (43) slip grafting is seted up to the preceding terminal surface of box body (1), the top face below of box body (1) is provided with positioning mechanism (5), positioning mechanism (5) are used for fixing a position the direction inserted bar (43) that insert in 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. An anti-theft device for an optical cable head box along a highway according to claim 2, characterized in that: the lower surface of the front end of the box cover (2) is provided with an extrusion chute (21), the front end surface of the extrusion chute (21) is provided with an extrusion surface which inclines upwards, the positioning mechanism (5) comprises positioning inserted rods (51), limiting blocks (52) and limiting springs (53), the positioning inserted rods (51) vertically slide downwards to penetrate through the lower groove wall of the guide sliding groove (61), the lower end parts of the positioning insertion rods are aligned with positioning holes (431) formed in the upper end face of the guide insertion rod (43), the limiting blocks (52) are respectively fixed on the positioning insertion rods (51), the limiting blocks (52) fixed on the positioning insertion rods (51) are connected to the outer part of the lower groove wall of the extrusion sliding groove (21) through limiting springs (53), and the top end faces of the positioning insertion rods (51) are in sliding extrusion contact with the extrusion sliding groove (21) and the extrusion face formed in the lower surface of the box cover (2).

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 bar (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 of telecommunication connection that sets up on pressure switch and box body (1).

6. The anti-theft device for an optical cable head 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 to the alarm on.

8. An anti-theft device for an optical cable head along a highway according to claim 6, characterized in that: 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 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 (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 ensure that the guide inserting rod (43) is continuously inserted 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 is used for fixing and protecting the female head (31) and the male head (32) which are mutually inserted;

s3: then the assembler slides lid (2) and closes 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) fixedly, after lid (2) completely closed box body (1), constructor passes through the bolt and fixes lid (2) to box body (1), and then be convenient for install optical cable termination box fixedly.