CN115360653B

CN115360653B - Wire branching box

Info

Publication number: CN115360653B
Application number: CN202211279936.3A
Authority: CN
Inventors: 李武库
Original assignee: Tianjin Geneuo Technology Co ltd
Current assignee: Tianjin Geneuo Technology Co ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-01-17
Anticipated expiration: 2042-10-19
Also published as: CN115360653A

Abstract

The invention relates to the technical field of junction boxes, in particular to a junction box which comprises a box body, wherein first openings are formed in the two sides of the box body and the box cover in a penetrating mode, two first electrifying plates and two second electrifying plates are fixed inside the box body, and the two first electrifying plates are symmetrically arranged inside two inner cavities; and an on-off switching mechanism is arranged between the first electrified plate and the second electrified plate at the same side and is used for disconnecting the electrification of the first electrified plate and the second electrified plate when the box cover is turned over and opened. This device is through the setting of break-make electricity switching mechanism for when the circuit overhauls, the operator is opening the lid and is carrying out the during operation, can break off the connection to the circuit automatically, thereby is favorable to avoiding the operator to overhaul the in-process to the circuit, and the circuit does not break off in time and causes the potential safety hazard, thereby is favorable to improving the security of junction box in the maintenance process.

Description

Wire branching box

Technical Field

The invention relates to the field of junction boxes, in particular to a junction box.

Background

A distribution box is a terminal for a distribution cable or optical cable, and serves to connect the distribution cable or optical cable to a subscriber line section, and to branch off a trunk line.

The prior art discloses a part of invention patents in the aspect of junction boxes, and a Chinese patent with the application number of CN201710805835.8 discloses a junction box for preventing a crystal head from loosening.

The junction box is installed the back, probably has the condition that needs the maintenance, and when overhauing, the operator need open the inside condition of junction box inspection to make the inside circuit structure of junction box can expose outside, make the circuit structure who exposes outside touch the condition that the in-process has the electric leakage at the operator, thereby make the junction box have the potential safety hazard at the in-process of overhauing. To this end, the present invention proposes a branching box to solve the above problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a junction box.

In order to achieve the purpose, the invention adopts the technical scheme that: a junction box comprises a box body, wherein a box cover is rotatably installed at one end of the top of the box body, first openings are formed in two sides of the box body and the box cover in a penetrating mode, two first electrifying plates and two second electrifying plates are fixed inside the box body, two inner cavities are symmetrically formed inside the box body, the two first electrifying plates are symmetrically arranged inside the two inner cavities, the two second electrifying plates are symmetrically arranged inside the two inner cavities, and an insulating plate is jointly fixed at the tops of the first electrifying plates and the second electrifying plates inside the same inner cavity;

a power on-off switching mechanism is arranged between the first power-on plate and the second power-on plate on the same side, and is used for switching off the power on of the first power-on plate and the second power-on plate when the box cover is turned over and opened, and enabling the first power-on plate and the second power-on plate to be in conductive communication when the box cover is turned over and closed;

two first circular telegram board and two the top of second circular telegram board all is fixed with fixed circular telegram piece, two first circular telegram board top fixed circular telegram piece is two that the symmetry set up, the top of fixed circular telegram piece all runs through extend away behind the insulation board, the outer lane of fixed circular telegram piece is all fixed the cover and is equipped with the insulating cylinder, and is whole the end of a thread fixing device is all installed to the inside of insulating cylinder, the end of a thread fixing device be used for to the end of a thread of connection with fixed circular telegram piece fixed connection.

Preferably, break-make electricity switching mechanism includes second recess, two third electroplax and two second spouts, the second recess is seted up in the middle part of insulation board, two third electroplax sliding connection in the inside of box body, the third electroplax is located the homonymy first electroplax with between the second electroplax, the third electroplax is located the inside of second recess, two the opposite side of third electroplax all rotates installs first returning face plate, two rotate between the first returning face plate and connect, two the tip fixedly connected with third slider of junction is rotated to first returning face plate, two the second spout symmetry is seted up on the inner wall of second recess, two the third slider respectively sliding connection in two the inside of second spout, first returning face plate with install extrusion pushing mechanism between the lid, extrusion pushing mechanism is used for promoting two when the lid is closed the junction of first returning face plate moves down, two fixedly connected with copper line between the third electroplax, two the common symmetry is connected with the second spring between the third electroplax.

Preferably, extrusion pushing mechanism includes fixed frame, fixed frame is fixed in the top of insulation board, the logical groove at fixed frame middle part with the second recess aligns the intercommunication, the middle part sliding connection of fixed frame has the lifter plate, the bottom of lifter plate is passed behind the second recess with the top of first returning face plate contacts, the top of lifter plate is provided with first pressing plate, first pressing plate the top with lid fixed connection.

Preferably, the wire end fixing device comprises two second openings and a first thread groove, the two second openings symmetrically penetrate through the side wall of the insulating cylinder, the first thread groove is arranged on the side wall of the insulating cylinder in a threaded manner, and a bolt is inserted into the internal thread of the first thread groove.

Preferably, a first groove is formed in the top of the fixed electrifying block, a lifting electrifying block is movably inserted into the first groove, and a first spring is fixedly connected between the lifting electrifying block and the inner wall of the first groove.

Preferably, both sides of the box cover are fixed with second extrusion plates, both sides of the box body are provided with first extrusion plates through sliding mechanisms, and a plurality of third openings corresponding to the first openings are jointly formed between the first extrusion plates and the second extrusion plates.

Preferably, a soft rubber block is fixed inside all the third openings.

Preferably, it is whole third open-ended both sides all are provided with the second returning face plate, be provided with on the lateral wall of first stripper plate and have the groove of stepping down that the upset of second returning face plate stepped down, the second returning face plate rotates with first stripper plate to be connected, and is whole the inside of second returning face plate all rotates and installs the pivot, the tip of pivot with first open-ended lateral wall fixed connection, whole the pivot dorsad the one end top of first stripper plate all is provided with presses the depression bar, whole press the top of depression bar all with lid fixed connection.

Preferably, the sliding mechanism comprises two first sliding grooves symmetrically arranged on the side wall of the box body, two first sliding blocks are connected inside the first sliding grooves in a sliding mode and fixedly connected with the first extrusion plate, a third spring is fixed at the top of each first sliding block, and the top of each third spring is fixedly connected with the top of each first sliding groove.

Preferably, the inside dorsad of box body with the lid rotates the one end of junction and is fixed with the arc, the top of arc is rotated and is connected with the limiting plate, the second thread groove has been seted up at the top of arc, the inside of second thread groove is inserted and is equipped with first straight-bar, be fixed with the second slider on the lateral wall of first straight-bar, second slider sliding connection in the inside of second thread groove, the top of first straight-bar is run through extend away behind the limiting plate and be fixed with the rotor plate, the top symmetry of rotor plate is run through and has been seted up logical groove, two the inside of leading to the groove all slides and inserts and be equipped with the second straight-bar, two the bottom of second straight-bar all passes behind the logical groove with limiting plate fixed connection, two the outer lane of second straight-bar all overlaps and is equipped with the fourth spring, two the top of fourth spring all with rotor plate fixed connection, two the bottom of fourth spring all with limiting plate fixed connection, the top of lid run through set up with the corresponding spacing opening of rotor plate.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, through the arrangement of the power-on and power-off switching mechanism, when the box cover is closed, the box cover presses the power-on and power-off switching mechanism, so that the power-on and power-off switching mechanism is communicated with the first power-on plate and the second power-on plate, thus the circuit is communicated, when the box cover is opened, the box cover loses the pressing on the power-on and power-off switching mechanism, the power-on and power-off switching mechanism is disconnected from the first power-on plate and the second power-on plate, so that the circuit is disconnected, therefore, when an operator opens the box cover to work during circuit maintenance, the connection of the circuit can be automatically disconnected, the potential safety hazard caused by the situation that the circuit is not timely disconnected during the maintenance process of the circuit by the operator can be avoided, and the safety of the junction box in the maintenance process can be improved.

2. According to the invention, through the arrangement of the first extrusion plate and the second extrusion plate, the second extrusion plate and the first extrusion plate are combined to position the circuit, so that the circuit passes through the third opening to extend out, the position of the circuit is favorably limited, the looseness of the end part of the circuit caused by the shaking of the circuit is favorably avoided, the stability of circuit connection is favorably improved, and the potential safety hazard caused by the exposure of the loosened end part of the circuit is favorably avoided.

3. According to the invention, through the arrangement of the rotating plate, the limiting plate and the limiting opening, the rotating plate, the limiting plate and the limiting opening are used for fixing the box body and the box cover, so that the box cover can be automatically fixed in the process of turning over and closing, the situation that the communication of a circuit is influenced after the box cover is opened due to the fact that the box cover is closed and loosened is favorably avoided, when an operator needs to open the box cover, the operator can align with the limiting opening after twisting the rotating plate and the limiting plate, and the box cover is convenient to open.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of a portion of the structure of FIG. 1;

FIG. 3 is a schematic view of the internal structure of the case according to the present invention;

FIG. 4 is a schematic structural view of the present invention after a first overall cross-section;

FIG. 5 is an enlarged view of a portion of the structure of FIG. 4B;

FIG. 6 is an enlarged view of a portion of the structure of FIG. 4;

FIG. 7 is an enlarged view of a portion of the structure of FIG. 4;

FIG. 8 is a schematic structural view of the case and the inner structure of the case according to the present invention after being sectioned;

FIG. 9 is an enlarged view of a portion of the structure of FIG. 8 at E in accordance with the present invention;

FIG. 10 is a schematic view of a connection relationship between the third current-carrying plates according to the present invention;

FIG. 11 is a schematic view of the present invention taken along the middle of the arc plate;

FIG. 12 is an enlarged view of a portion of FIG. 11 at F in accordance with the teachings of the present invention;

FIG. 13 is a schematic structural view in a second overall cross-section of the present invention;

fig. 14 is a partially enlarged view of the structure at G in fig. 13 according to the present invention.

In the figure: 1. a box body; 2. a box cover; 3. a first opening; 4. a first energizing plate; 5. a second current-carrying plate; 6. an insulating cylinder; 7. fixing the electrifying block; 8. a second opening; 9. a first thread groove; 10. a bolt; 11. a first groove; 12. lifting the electrifying block; 13. a first spring; 14. an insulating plate; 15. a second groove; 16. a third electrifying plate; 17. a first roll-over plate; 18. a fixing frame; 19. a lifting plate; 20. a first pressing plate; 21. a copper wire; 22. a second spring; 23. a first squeeze plate; 24. a first chute; 25. a first slider; 26. a third spring; 27. a second compression plate; 28. a rotating shaft; 29. a second roll-over plate; 30. a pressing lever; 31. a third opening; 32. a soft rubber block; 33. an arc-shaped plate; 34. a limiting plate; 35. a second thread groove; 36. a first straight rod; 37. a second slider; 38. a rotating plate; 39. a through groove; 40. a second straight bar; 41. a fourth spring; 42. limiting the opening; 43. a second chute; 44. and a third slide block.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

The junction box shown in fig. 1 to 14 comprises a box body 1, wherein a box cover 2 is rotatably mounted at one end of the top of the box body 1, first openings 3 are respectively formed in two sides of the box body 1 and the box cover 2 in a penetrating manner, two first electrifying plates 4 and two second electrifying plates 5 are fixed inside the box body 1, two inner cavities are symmetrically arranged inside the box body 1, the two first electrifying plates 4 are symmetrically arranged inside the two inner cavities, the two second electrifying plates 5 are symmetrically arranged inside the two inner cavities, and an insulating plate 14 is fixed on the tops of the first electrifying plate 4 and the second electrifying plate 5 in the same inner cavity;

an on-off switching mechanism is arranged between the first current-carrying plate 4 and the second current-carrying plate 5 on the same side, and is used for switching off the electrification of the first current-carrying plate 4 and the second current-carrying plate 5 when the box cover 2 is turned over to be opened, and enabling the first current-carrying plate 4 and the second current-carrying plate 5 to be in conductive communication when the box cover 2 is turned over to be closed;

fixed electrifying blocks 7 are fixed on the tops of the two first electrifying plates 4 and the tops of the two second electrifying plates 5, the fixed electrifying blocks 7 on the tops of the two first electrifying plates 4 are symmetrically arranged, the tops of the fixed electrifying blocks 7 extend out after penetrating through the insulating plate 14, insulating cylinders 6 are fixedly sleeved on the outer rings of the fixed electrifying blocks 7, and wire end fixing devices are arranged inside all the insulating cylinders 6 and are used for fixedly connecting connected wire ends with the fixed electrifying blocks 7; the embodiment of the invention can solve the problems that the circuit structure in the junction box is exposed outside, the circuit structure exposed outside has electric leakage in the touch process of the operator, and the potential safety hazard exists in the maintenance process of the junction box, and the specific implementation mode is that the circuit can be connected and installed in the box body 1, the box cover 2 can be closed after being turned over to protect the circuit in the box body 1, the potential safety hazard caused by the circuit exposed outside after being installed is avoided, the first opening 3 can reserve space for the connected circuit, the circuit is convenient to install, and the end part of the circuit can be fixedly connected in the insulating cylinder 6 through the wire head fixing device, the circuit end fixed in the insulating cylinder 6 is contacted and communicated with the fixed electrifying block 7, the fixed electrifying block 7 is respectively and fixedly connected with the first electrifying plate 4 and the second electrifying plate 5, the second electrifying plate 5 is connected with the end of the main circuit, the first electrifying plate 4 is connected with the end of the branch circuit, the first electrifying plate 4 is communicated with the second electrifying plate 5 through the circuit of the on-off switching mechanism, so that the circuit can be communicated and branched, the insulating plate 14 is fixed on the top of the first electrifying plate 4 and the second electrifying plate 5, the first electrifying plate 4 and the second electrifying plate 5 are protected in the box body 1, so that the potential safety hazard caused by the first electrifying plate 4 and the second electrifying plate 5 being exposed outside can be avoided, when the box cover 2 is closed, the box cover 2 extrudes the on-off switching mechanism, so that the on-off switching mechanism is communicated with the first electrifying plate 4 and the second electrifying plate 5, thereby make the circuit intercommunication, when lid 2 is opened, break-make electricity switching mechanism loses the extrusion of lid 2, make break-make electricity switching mechanism disconnection and the intercommunication of first logical electroplax 4 and second logical electroplax 5, thereby make the circuit disconnection, thereby make when the circuit overhauls, the operator is opening lid 2 and is carrying out the during operation, can the automatic disconnection to the connection of circuit, thereby be favorable to avoiding the operator at the in-process of overhauing the circuit, the circuit is not in time broken off and causes the potential safety hazard, thereby be favorable to improving the security of junction box in the maintenance process.

As an embodiment of the present invention, the power on/off switching mechanism includes a second groove 15, two third electric-conducting plates 16 and two second sliding grooves 43, the second groove 15 is opened in the middle of the insulating plate 14, the two third electric-conducting plates 16 are slidably connected to the inside of the box body 1, the third electric-conducting plates 16 are located between the first electric-conducting plate 4 and the second electric-conducting plate 5 on the same side, the third electric-conducting plates 16 are located inside the second groove 15, the first turning plates 17 are rotatably installed on opposite sides of the two third electric-conducting plates 16, the two first turning plates 17 are rotatably connected to each other, the end of the rotational connection of the two first turning plates 17 is fixedly connected to a third sliding block 44, the two second sliding grooves 43 are symmetrically opened on the inner wall of the second groove 15, the two third sliding blocks 44 are respectively slidably connected to the inside of the two second sliding grooves 43, an extrusion pushing mechanism is installed between the first turning plates 17 and the box cover 2, the extrusion pushing mechanism is used for pushing the connection of the two first turning plates 17 to move downward when the box cover 2 is closed, the two third electric-conducting plates 16 are fixedly connected to a copper wire spring 22; when the box cover 2 is in a closed state, the extrusion pushing mechanism connected between the box cover 2 and the first turnover plate 17 is started, so that the extrusion pushing mechanism pushes and extrudes the first turnover plate 17, the joint of the two first turnover plates 17 slides downwards along the second sliding groove 43 through the third sliding block 44, the joint of the two first turnover plates 17 can only vertically move along the track of the second sliding groove 43, after the joint of the two first turnover plates 17 is pushed downwards, the opposite ends of the two first turnover plates 17 are gradually far away, so that the two third electric conduction plates 16 are pushed away from each other, and the two third electric conduction plates 16 are pushed away from each other and then are respectively in extrusion contact with the first electric conduction plates 4 and the second electric conduction plates 5 on the two sides, thereby make first circular telegram board 4, through third circular telegram board 16 and copper line 21 intercommunication circuit between the second circular telegram board 5, thereby make the inside of junction box intercommunication circuit when lid 2 is closed, when lid 2 is opened, extrusion pushing mechanism loses the extrusion to first returning face plate 17, under the elastic force effect of second spring 22 this moment, stimulate two third circular telegram boards 16 and be close to each other, make two third circular telegram boards 16 keep away from first circular telegram board 4 after being close to each other, second circular telegram board 5, thereby make the circuit disconnection between first circular telegram board 4 and the second circular telegram board 5, make the inside of junction box disconnection circuit when lid 2 is opened, thereby be favorable to avoiding the operator at the in-process of overhauing the circuit, the circuit is not in time broken off and causes the potential safety hazard, thereby be favorable to improving the security of junction box at the maintenance in-process.

As an embodiment of the present invention, the extrusion pushing mechanism includes a fixed frame 18, the fixed frame 18 is fixed on the top of the insulating plate 14, a through slot in the middle of the fixed frame 18 is aligned and communicated with the second groove 15, the middle of the fixed frame 18 is slidably connected with a lifting plate 19, the bottom of the lifting plate 19 passes through the second groove 15 and then contacts with the top of the first turnover plate 17, the top of the lifting plate 19 is provided with a first pressing plate 20, and the top of the first pressing plate 20 is fixedly connected with the box cover 2; during operation, vertical sliding connection can be carried out to lifter plate 19 to fixed frame 18, when lid 2 is closed, the fixed first pressing board 20 extrusion in lid 2 top promotes lifter plate 19, make lifter plate 19 move down after being extruded, lifter plate 19 promotes the junction of two first returning face plates 17 after the downward movement, thereby when lid 2 is closed, promote two first returning face plates 17 upset downwards, after lid 2 is opened, first returning face plate 17 overturns under the effect of second spring 22 elastic force and resets, thereby promote lifter plate 19 rebound and reset, thereby be favorable to promoting the first returning face plate 17 upset downwards through the switch automatic start of lid 2.

As an embodiment of the present invention, the thread end fixing device includes two second openings 8 and a first thread groove 9, the two second openings 8 are symmetrically opened through the side wall of the insulating cylinder 6, the first thread groove 9 is opened on the side wall of the insulating cylinder 6 in a threaded manner, and a bolt 10 is inserted into the internal thread of the first thread groove 9; the during operation, when the tip to the circuit is connected in needs, the operator passes second opening 8 with the tip of circuit, make the tip of circuit pass second opening 8 back winding on the lateral wall of insulator cylinder 6, the operator rotates bolt 10 with the help of external instrument afterwards, make bolt 10 rotated the back along the inside of first thread groove 9 by the decurrent rotation, thereby fix the circuit tip in the inside of insulator cylinder 6, insulator cylinder 6 can avoid the short circuit of circuit through insulating, the circuit is fixed behind the inside of insulator cylinder 6, make circuit tip and fixed circular telegram piece 7 contact intercommunication power, thereby make the circuit tip pass through fixed circular telegram piece 7 and first circular telegram board 4, second circular telegram board 5 intercommunication power, thereby be favorable to communicateing the circuit.

As an embodiment of the invention, a first groove 11 is formed at the top of the fixed electrifying block 7, a lifting electrifying block 12 is movably inserted in the first groove 11, and a first spring 13 is fixedly connected between the lifting electrifying block 12 and the inner wall of the first groove 11; in the working process, the end parts of the lines are different in thickness, so that after the lines are fixed inside the insulating cylinder 6, the lines are unstable due to the fact that the lines are thin, and the electrifying effect of the lines is affected.

As an embodiment of the present invention, the two sides of the box cover 2 are both fixed with second extrusion plates 27, the two sides of the box body 1 are both mounted with first extrusion plates 23 through a sliding mechanism, and a plurality of third openings 31 corresponding to the first openings 3 are jointly opened between the first extrusion plates 23 and the second extrusion plates 27; the during operation, at lid 2 closed in-process, lid 2 drives second stripper plate 27 upset back and removes to first stripper plate 23 department, make second stripper plate 27 fix a position the circuit after merging with first stripper plate 23, make the circuit pass third opening 31 and extend away, thereby be favorable to prescribing a limit to the position of circuit, be favorable to avoiding the circuit because rock and cause the not hard up of circuit tip, thereby be favorable to improving the stability of line connection, thereby be favorable to avoiding exposing and the potential safety hazard that causes after the circuit tip is not hard up.

As an embodiment of the present invention, a soft rubber block 32 is fixed inside all the third openings 31; in operation, the inside of third opening 31 extrudes the circuit tip through fixed soft rubber piece 32, soft rubber piece 32 self can produce deformation, when extruding the circuit, be favorable to fixing the circuit tip, thereby be favorable to avoiding outside steam to get into the inside hidden danger that forms the electric leakage of junction box, simultaneously through the extrusion of soft rubber piece 32 to the circuit, fix the circuit, thereby be favorable to avoiding the circuit to produce when receiving the pulling and colliding and become flexible, thereby be favorable to avoiding exposing and forming the potential safety hazard after the circuit is flexible, thereby be favorable to improving the security of junction box intercommunication circuit.

As an embodiment of the present invention, the second flipping plates 29 are disposed on both sides of all the third openings 31, the side wall of the first extrusion plate 23 is provided with a recess for the second flipping plates 29 to recess, the second flipping plates 29 are rotatably connected to the first extrusion plate 23, the inside of all the second flipping plates 29 is rotatably mounted with a rotating shaft 28, the end of the rotating shaft 28 is fixedly connected to the side wall of the first opening 3, a pressing rod 30 is disposed above one end of all the rotating shafts 28 facing away from the first extrusion plate 23, and the top of all the pressing rods 30 is fixedly connected to the box cover 2; the during operation, when lid 2 upset is closed, lid 2 drives and is close to second returning face plate 29 after pressing the upset of pole 30, make the bottom extrusion that presses pole 30 promote the tip of second returning face plate 29, thereby make second returning face plate 29 overturn along pivot 28 after being promoted, make the other end of second returning face plate 29 upwards turned, make first stripper plate 23 receive the promotion rebound of second returning face plate 29, thereby increase the extrusion between first stripper plate 23 and the second stripper plate 27, thereby it is fixed to be favorable to extrudeing the circuit, improve the stability to the line connection.

As an embodiment of the present invention, the sliding mechanism includes two first sliding chutes 24, the two first sliding chutes 24 are symmetrically formed on the side wall of the box body 1, the interiors of the two first sliding chutes 24 are both connected with first sliding blocks 25 in a sliding manner, the two first sliding blocks 25 are both fixedly connected with the first extrusion plate 23, the tops of the two first sliding blocks 25 are both fixed with third springs 26, and the tops of the two third springs 26 are respectively fixedly connected with the tops of the two first sliding chutes 24; during operation, when pushing down the upset of the push rod 30 promotion second returning face plate 29 and promoting first stripper plate 23 to last, first stripper plate 23 drives first slider 25 and upwards slides, extrude the compression of third spring 26 after first slider 25 upwards slides, after pushing down push rod 30 and unclamping, second returning face plate 29 loses the motive force to first stripper plate 23, at this moment, third spring 26 pushes down first slider 25 through the elastic force of self, first slider 25 is driven first stripper plate 23 downstream after being promoted downwards, make first stripper plate 23 expose first opening 3 after pushing down, thereby be favorable to increasing the operation space and make things convenient for operator's operation.

As an embodiment of the invention, an arc-shaped plate 33 is fixed at one end of the inside of the box body 1, which faces away from the rotary connection with the box cover 2, a limiting plate 34 is rotatably connected to the top of the arc-shaped plate 33, a second threaded groove 35 is formed in the top of the arc-shaped plate 33, a first straight rod 36 is inserted into the second threaded groove 35, a second slider 37 is fixed on the side wall of the first straight rod 36, the second slider 37 is slidably connected into the second threaded groove 35, the top of the first straight rod 36 extends out and is fixed with a rotating plate 38 after penetrating through the limiting plate 34, through grooves 39 are symmetrically formed in the top of the rotating plate 38 in a penetrating manner, second straight rods 40 are inserted into the through grooves 39 in a sliding manner, the bottoms of the two second straight rods 40 are fixedly connected with the limiting plate 34 after penetrating through the through grooves 39, fourth springs 41 are sleeved on the outer rings of the two second straight rods 40, the tops of the two fourth springs 41 are fixedly connected with the rotating plate 38, the bottoms of the two fourth springs 41 are fixedly connected with the limiting plate 34, and a limiting opening 42 corresponding to the limiting plate 38 is formed in the top of the box cover 2; in operation, in the closing process of the box cover 2, the box cover 2 drives the limiting opening 42 to move towards the rotating plate 38, after the side wall of the box cover 2 touches the top of the rotating plate 38, at this time, the limiting opening 42 is not aligned with the rotating plate 38, so that the side wall of the box cover 2 presses the rotating plate 38, the rotating plate 38 pushes the first straight rod 36 to move towards the inside of the second threaded groove 35 after being pressed, the second slider 37 fixed to the side wall of the first straight rod 36 slides inside the second threaded groove 35, so that the first straight rod 36 rotates along with the sliding of the second slider 37 during the downward movement of the first straight rod 36, under the threaded connection action of the second slider 37 and the second threaded groove 35, so that the first straight rod 36 drives the rotating plate 38 to rotate, the second straight rod 40 fixed to the top of the limiting plate 34 is inserted inside the through groove 39, so that the rotating plate 38 and the limiting plate 34 rotate synchronously, and the rotating plate 38 can approach to the limiting plate 34 after being pressed, after the rotating plate 38 and the limiting plate 34 rotate synchronously, so that the rotating plate 38 and the limiting opening of the limiting plate 34 and the limiting plate 34 move away from the limiting opening, so that the rotating plate 34 and the limiting plate 34 can move away from the limiting opening of the limiting plate 34, so that the limiting plate 34, and the limiting plate 34 can move away from the limiting plate 34, so that the limiting plate 34, and the limiting plate 34 can move when the limiting plate 34 can move automatically, and the limiting plate 34, and the rotating plate 34, and the limiting plate 34 can move backwards under the rotating plate 34, and the action of the rotating plate 34, and the rotating plate 34, so that the limiting plate 34 can move automatically when the limiting plate 34, and the limiting plate 34 can move, therefore, the situation that the communication of the circuit is influenced after the box cover 2 is opened due to the fact that the box cover 2 is not closed tightly is avoided, when an operator needs to open the box cover 2, the operator can align with the limiting opening 42 after twisting the rotating plate 38 and the limiting plate 34, and the box cover 2 is convenient to open.

The working principle of the invention is as follows: after the junction box is installed, the condition that the junction box needs to be maintained may exist, and during maintenance, an operator needs to open the junction box to check the internal condition, so that a circuit structure inside the junction box is exposed outside, and the exposed circuit structure has an electric leakage condition in the process of touching by the operator, so that potential safety hazards exist in the process of maintenance of the junction box, the embodiment of the invention can solve the problems, and has the following specific implementation mode that the internal part of the box body 1 can be used for connecting and installing the circuit in a junction circuit way, the box cover 2 can be turned over and closed to protect the circuit inside the box body 1, the potential safety hazards caused by the circuit being exposed outside after the circuit is installed are avoided, the first opening 3 can reserve space for the connected circuit, the circuit is convenient to install, and the end part of the circuit can be fixedly connected inside the insulating cylinder 6 through the wire head fixing device, the circuit end fixed in the insulating cylinder 6 is contacted and communicated with the fixed electrifying block 7, the fixed electrifying block 7 is respectively and fixedly connected with the first electrifying plate 4 and the second electrifying plate 5, the second electrifying plate 5 is connected with the end of the main circuit, the first electrifying plate 4 is connected with the end of the branch circuit, the first electrifying plate 4 is communicated with the second electrifying plate 5 through the circuit of the on-off switching mechanism, so that the circuit can be communicated and branched, the insulating plate 14 is fixed on the top of the first electrifying plate 4 and the second electrifying plate 5, the first electrifying plate 4 and the second electrifying plate 5 are protected in the box body 1, so that the potential safety hazard caused by the first electrifying plate 4 and the second electrifying plate 5 being exposed outside can be avoided, when the box cover 2 is closed, the box cover 2 extrudes the on-off switching mechanism, so that the on-off switching mechanism is communicated with the first electrifying plate 4 and the second electrifying plate 5, thereby make the circuit intercommunication, when lid 2 is opened, break-make electricity switching mechanism loses the extrusion of lid 2, make break-make electricity switching mechanism disconnection and the intercommunication of first logical electroplax 4 and second logical electroplax 5, thereby make the circuit disconnection, thereby make when the circuit overhauls, the operator is opening lid 2 and is carrying out the during operation, can the automatic disconnection to the connection of circuit, thereby be favorable to avoiding the operator at the in-process of overhauing the circuit, the circuit is not in time broken off and causes the potential safety hazard, thereby be favorable to improving the security of junction box in the maintenance process.

The foregoing shows and describes the general principles, essential features, and advantages of the 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 merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.

Claims

1. The junction box comprises a box body (1), wherein a box cover (2) is rotatably installed at one end of the top of the box body (1), and is characterized in that first openings (3) are formed in the two sides of the box body (1) and the two sides of the box cover (2) in a penetrating mode, two first electrifying plates (4) and two second electrifying plates (5) are fixed inside the box body (1), two inner cavities are symmetrically arranged inside the box body (1), the two first electrifying plates (4) are symmetrically arranged inside the two inner cavities, the two second electrifying plates (5) are symmetrically arranged inside the two inner cavities, and an insulating plate (14) is fixed on the tops of the first electrifying plate (4) and the second electrifying plate (5) in the same inner cavity;

an on-off switching mechanism is arranged between the first power board (4) and the second power board (5) on the same side, and is used for disconnecting the electrification of the first power board (4) and the second power board (5) when the box cover (2) is turned over to be opened, and enabling the conduction of the first power board (4) and the second power board (5) to be communicated when the box cover (2) is turned over to be closed;

the top parts of the two first electrifying plates (4) and the two second electrifying plates (5) are respectively fixed with a fixed electrifying block (7), the fixed electrifying blocks (7) at the top parts of the two first electrifying plates (4) are respectively symmetrically arranged, the top parts of the fixed electrifying blocks (7) penetrate through the insulating plate (14) and then extend out, the outer rings of the fixed electrifying blocks (7) are respectively fixedly sleeved with an insulating cylinder (6), all the insulating cylinders (6) are internally provided with a wire end fixing device, and the wire end fixing device is used for fixedly connecting a connected wire end with the fixed electrifying blocks (7);

make-break electricity switching mechanism includes second recess (15), two third electroplax (16) and two second spout (43), second recess (15) are seted up in the middle part of insulation board (14), two third electroplax (16) sliding connection in the inside of box body (1), third electroplax (16) are located the homonymy first electroplax (4) with between second electroplax (5), third electroplax (16) are located the inside of second recess (15), two the opposite side of third electroplax (16) all rotates and installs first returning face plate (17), two rotate between first returning face plate (17) and connect, two first returning face plate (17) rotate the tip fixedly connected with third slider (44) of junction, two second spout (43) symmetry are seted up on the inner wall of second recess (15), two third slider (44) sliding connection respectively in two inside of second spout (43), two first returning face plate (17) and second return face plate (17) are used for pushing spring extrusion mechanism (16) push away two copper line extrusion mechanisms (16) push away and push away two copper line extrusion mechanisms (17) and push away two copper line extrusion mechanisms (16) are used for pushing the second return plate (17) and push away the inside of two copper line extrusion mechanisms (17) and push away two copper line extrusion mechanisms (16) and push away ) (ii) a

The extrusion pushing mechanism comprises a fixed frame (18), the fixed frame (18) is fixed to the top of the insulating plate (14), a through groove in the middle of the fixed frame (18) is communicated with the second groove (15) in an aligned mode, a lifting plate (19) is connected to the middle of the fixed frame (18) in a sliding mode, the bottom of the lifting plate (19) penetrates through the second groove (15) and then contacts with the top of the first turnover plate (17), a first pressing plate (20) is arranged at the top of the lifting plate (19), and the top of the first pressing plate (20) is fixedly connected with the box cover (2);

an arc-shaped plate (33) is fixed at one end of the inner part of the box body (1) back to the rotary connection part of the box cover (2), the top of the arc-shaped plate (33) is rotationally connected with a limit plate (34), the top of the arc-shaped plate (33) is provided with a second thread groove (35), a first straight rod (36) is inserted into the second thread groove (35), a second sliding block (37) is fixed on the side wall of the first straight rod (36), the second sliding block (37) is connected with the inner part of the second thread groove (35) in a sliding way, the top of the first straight rod (36) penetrates through the limiting plate (34) and then extends out to be fixed with a rotating plate (38), the top of the rotating plate (38) is symmetrically provided with through grooves (39) in a penetrating manner, the insides of the two through grooves (39) are respectively inserted with second straight rods (40) in a sliding manner, the bottoms of the two second straight rods (40) penetrate through the through grooves (39) and then are fixedly connected with the limiting plate (34), the outer rings of the two second straight rods (40) are respectively sleeved with fourth springs (41), the tops of the two fourth springs (41) are respectively fixedly connected with the rotating plate (38), and the bottoms of the two fourth springs (41) are respectively fixedly connected with the limiting plate (34), the top of the box cover (2) is provided with a limiting opening (42) corresponding to the rotating plate (38) in a penetrating way.

2. A distribution box according to claim 1, characterized in that said thread end fixing means comprises two second openings (8) and a first thread groove (9), said two second openings (8) are symmetrically opened through the side wall of said insulating cylinder (6), said first thread groove (9) is threaded on the side wall of said insulating cylinder (6), and the internal thread of said first thread groove (9) is inserted with a bolt (10).

3. The branch box according to claim 2, wherein a first groove (11) is formed in the top of the fixed energizing block (7), a lifting energizing block (12) is movably inserted into the first groove (11), and a first spring (13) is fixedly connected between the lifting energizing block (12) and the inner wall of the first groove (11).

4. The branching box according to claim 1, wherein a second pressing plate (27) is fixed on each side of the box cover (2), a first pressing plate (23) is mounted on each side of the box body (1) through a sliding mechanism, and a plurality of third openings (31) corresponding to the first openings (3) are jointly opened between the first pressing plate (23) and the second pressing plate (27).

5. A junction box according to claim 4, wherein a soft rubber block (32) is fixed to the inside of all the third openings (31).

6. The wire distribution box according to claim 5, characterized in that second turnover plates (29) are arranged on two sides of all the third openings (31), a receding groove for the second turnover plates (29) to recede is formed in the side wall of the first extrusion plate (23), the second turnover plates (29) are rotatably connected with the first extrusion plate (23), all the second turnover plates (29) are rotatably provided with rotating shafts (28), the end portions of the rotating shafts (28) are fixedly connected with the side wall of the first opening (3), all the rotating shafts (28) are back to the upper portion of one end of the first extrusion plate (23), and all the tops of the pressing rods (30) are fixedly connected with the box cover (2).

7. The branch box according to claim 6, wherein the sliding mechanism comprises two first sliding chutes (24), the two first sliding chutes (24) are symmetrically arranged on the side wall of the box body (1), first sliding blocks (25) are slidably connected inside the two first sliding chutes (24), the two first sliding blocks (25) are fixedly connected with the first extrusion plate (23), third springs (26) are fixed on the tops of the two first sliding blocks (25), and the tops of the two third springs (26) are respectively fixedly connected with the tops of the two first sliding chutes (24).