CN111769379B - Grounding box for power distribution network construction - Google Patents

Grounding box for power distribution network construction Download PDF

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Publication number
CN111769379B
CN111769379B CN202010612937.XA CN202010612937A CN111769379B CN 111769379 B CN111769379 B CN 111769379B CN 202010612937 A CN202010612937 A CN 202010612937A CN 111769379 B CN111769379 B CN 111769379B
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CN
China
Prior art keywords
sleeve
insulating ring
chassis
shell
fixing
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Application number
CN202010612937.XA
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Chinese (zh)
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CN111769379A (en
Inventor
杨冬
何涛
韩丽君
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MaAnshan Power Supply Co of State Grid Anhui Electric Power Co Ltd
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MaAnshan Power Supply Co of State Grid Anhui Electric Power Co Ltd
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Application filed by MaAnshan Power Supply Co of State Grid Anhui Electric Power Co Ltd filed Critical MaAnshan Power Supply Co of State Grid Anhui Electric Power Co Ltd
Priority to CN202010612937.XA priority Critical patent/CN111769379B/en
Publication of CN111769379A publication Critical patent/CN111769379A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/64Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/502Bases; Cases composed of different pieces
    • H01R13/512Bases; Cases composed of different pieces assembled by screw or screws
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/52Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5202Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/52Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5205Sealing means between cable and housing, e.g. grommet
    • H01R13/5208Sealing means between cable and housing, e.g. grommet having at least two cable receiving openings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/73Means for mounting coupling parts to apparatus or structures, e.g. to a wall
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/03Cooling
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/08Distribution boxes; Connection or junction boxes

Abstract

The invention discloses a grounding box for power distribution network construction, and relates to the technical field of power grid construction. The invention comprises a shell and a chassis, wherein the chassis is arranged at one end of the shell in an aligned manner, and the side surface of the shell is arranged in a corrugated manner; a mounting rack is arranged in the shell along the vertical direction; the mounting frame comprises a first insulating ring, a second insulating ring and a first connecting rod, the first insulating ring and the second insulating ring are arranged in an up-down alignment mode, and the first insulating ring and the second insulating ring are fixedly connected through the first connecting rod; a plurality of guide strips which are arranged in an inverted L shape are uniformly distributed on the outer side wall of the first insulation ring along the circumferential direction, and guide holes are formed in the top surface of each guide strip. According to the invention, through the arrangement of the shell, the sleeve, the spiral rod, the hexagonal block, the wire inlet sleeve, the water stop ring, the water inlet hole, the first mounting plate, the second mounting plate and the third mounting plate and the matching among the structures, the device is convenient to disassemble and assemble, simple in wire connection operation, good in heat dissipation effect and rich in connection mode with an external structure.

Description

Grounding box for power distribution network construction
Technical Field
The invention belongs to the technical field of power grid construction, and particularly relates to a grounding box for power distribution network construction, which is mainly used for the concentrated grounding protection effect in a power distribution network.
Background
The grounding box is used for releasing grounding wires and plays a role in protecting the grounding wires, and the grounding box and the grounding busbar play a role in collecting the connecting equipment of the grounding wires, firstly, the grounding busbar is arranged in the grounding box in the grounding process of the existing grounding box, but the internal wiring operation of the grounding box is inconvenient due to the limitation of the integral structure of the grounding box, the connection between the box cover and the box body of the existing grounding box is mainly fixed through bolts, the number of the bolts is large, the connection and the disassembly operation between the box cover and the box body are troublesome, secondly, after a cable passes through the wire inlet sleeve in the existing grounding box, a large gap exists between the wire inlet sleeve and the cable, water vapor easily enters the internal part of the grounding box to corrode the internal components of the wire inlet box, thirdly, the integral heat dissipation effect of the existing grounding box is poor, the using effect is not ideal, and finally, the connecting mode of the existing grounding box and an external structure is single, it is difficult to adapt to different installation environments, and thus there is a need for an improvement in the art to solve the above problems.
Disclosure of Invention
The invention aims to provide a grounding box for power distribution network construction, which can increase the surface area and improve the heat dissipation effect under a smaller size through the arrangement of the corrugated side wall layers of a shell, can realize that a connecting body of a chassis and a mounting rack can move out of the interior of the shell under the driving of the rotation of a sleeve through the matching arrangement of the sleeve and a spiral rod, can realize the wire connection of workers at the outer side of the shell through the arrangement, is simple to operate, can realize the sealing and water prevention between a cable and a wire inlet sleeve under the characteristic that a water stop ring expands when encountering water through the arrangement of the water stop ring, can facilitate the fixed installation of the device under any environment through the matching arrangement of a first mounting plate, a second mounting plate and a third mounting plate, and solves the problems that the conventional grounding box is inconvenient in wire connection and connection, The problems of troublesome mounting and dismounting between the box body and the box cover, poor integral heat dissipation effect, single mounting mode with an external structure and poor sealing and waterproof performance.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a grounding box for power distribution network construction, which comprises a shell and a chassis, wherein the chassis is arranged at one end of the shell in an aligned mode, and the side surface of the shell is arranged in a corrugated mode; a mounting rack is arranged in the shell along the vertical direction;
the mounting frame comprises a first insulating ring, a second insulating ring and a first connecting rod, wherein the first insulating ring and the second insulating ring are arranged in an up-and-down alignment manner and are fixedly connected through the first connecting rod;
a plurality of guide strips which are arranged in an inverted L shape are uniformly distributed on the outer side wall of the first insulating ring along the circumferential direction, and guide holes are formed in the top surfaces of the guide strips;
the second insulating ring is arranged on one side close to the chassis and is fixedly connected with the chassis through a second connecting rod;
a through hole is formed in the center of the chassis, a plurality of wire inlet sleeves are fixedly connected to the chassis outside the through hole, and the wire inlet sleeves are communicated with the chassis; a sleeve is arranged at the center of the inner part of the shell along the vertical direction, one end of the sleeve is in clearance fit with the through hole, the sleeve is rotatably connected with the inner bottom surface of the chassis through a rolling bearing, a screw rod is sleeved in the other end of the sleeve, a first internal thread is arranged on the inner wall of the sleeve and is used for being in spiral fit with the screw rod;
a second internal thread is arranged on the inner part of the through hole, which is positioned on one side of the sleeve, and the second internal thread is used for being in screw fit with the first external thread on the outer side wall of one end of the sealing sleeve;
wherein, the outer end face of the sleeve positioned in the through hole is concentrically provided with a hexagonal block;
a sealing ring is arranged on one side surface of the chassis close to the shell along the circumferential direction, and the sealing ring and the wire inlet sleeve are respectively positioned on two sides of the chassis;
the water inlet sleeve is internally provided with a connecting sleeve in a matched manner, the connecting sleeve is integrally provided with a water inlet sleeve, the inside of the water inlet sleeve is circumferentially provided with a mounting groove with an inward opening, a water stop ring is in interference fit in the mounting groove, and water inlet holes are uniformly distributed on the side wall of the water inlet sleeve outside the water stop ring along the circumferential direction;
a second external thread is arranged on the outer wall of the connecting sleeve on one side of the water inlet sleeve and is used for being in spiral fit with a third internal thread on the inner wall of the wire inlet sleeve;
one end of the spiral rod is fixedly connected to the inner top surface of the shell, guide rods are uniformly distributed on the inner top surface of the shell at the outer side of the spiral rod along the circumferential direction, a limiting disc is fixedly connected to the other end of each guide rod, and the guide rods are in clearance fit in the guide holes;
the shell is connected with a first mounting plate through a fixing column relative to the center of the outer surface of the other end of the shell, wherein the center of the outer surface of the other end of the shell is provided with a chassis, and four corners of the first mounting plate are provided with first mounting holes.
Furthermore, first fixing bolts are uniformly distributed on one side surface, far away from the second insulating ring, of the first insulating ring along the circumferential direction, and second fixing bolts are uniformly distributed on one side surface, close to the first insulating ring, of the second insulating ring along the circumferential direction; the inside of first insulating ring is provided with electrically conductive mechanism, and the inside of second insulating ring one side is provided with coupling mechanism simultaneously.
Furthermore, the conductive mechanism comprises a triangular conductive frame and a protector, the three corners of one side surface of the triangular conductive frame, which is close to the second insulating ring, are fixedly connected with the protector through connecting bolts, and the outer side walls of the three corners of the other side surface of the triangular conductive frame are provided with first fixing lugs, the first fixing lugs are provided with first fixing holes, and the first fixing holes are used for being matched and fixed with the first fixing bolts; and a ground wire connector is fixedly connected to one end face of the center position of one side plate of the triangular conductive frame, and the ground wire connector and the protector are respectively positioned on two sides of the triangular conductive frame.
Furthermore, the connecting mechanism comprises a triangular connecting frame and insulators, and the three corners of one side surface of the triangular connecting frame, which is close to the first insulating ring, are fixedly connected with the insulators through connecting bolts; the outer side walls of three corners of the triangular connecting frame are fixedly connected with second fixing lugs, second fixing holes are formed in the second fixing lugs, and the second fixing holes are used for being matched and fixed with second fixing bolts.
Furthermore, the triangular connecting frame and the triangular conductive frame are arranged in an aligned mode, and the three protectors on the triangular conductive frame are fixedly connected with the aligned insulators on the triangular connecting frame through first conductive plates respectively.
Furthermore, be provided with first connecting plate perpendicularly on the same side at first current conducting plate both ends respectively, be provided with the third fixed orifices on the first connecting plate, one of them the third fixed orifices is used for cooperating with the connecting bolt on the protector, another simultaneously the third fixed orifices is used for cooperating with the connecting bolt on the insulator.
Furthermore, the connecting bolt on the insulator is also used for being matched and fixed with a fourth fixing hole on a second connecting plate, and the second connecting plate is vertically connected with one end of a second current-conducting plate; and a wire connector is arranged on one side face of the other end of the second conductive plate.
Furthermore, the wire connector and the second connecting plate are located on the same side of the second conductive plate, and the second conductive plate extends from one end of the wire connector to one side of the chassis.
Further, a sealing groove is formed in the end face, close to the chassis, of the shell in the circumferential direction, the sealing groove is used for being in clearance fit with the sealing ring, and a rubber sealing ring is further matched between the sealing groove and the sealing ring.
The invention has the following beneficial effects:
1. according to the invention, through the arrangement of the sleeve, the screw rod and the hexagonal block, when the hexagonal block type cable connector is used, a worker can rotate the hexagonal block through a tool, the sleeve can rotate freely under the driving action of the hexagonal block, the mutual movement between the sleeve and the screw rod can be realized due to the arrangement of the spiral occlusion between the first internal thread on the inner wall of the sleeve and the screw rod, the disassembly and the assembly between the chassis and the shell can be realized through the arrangement, the disassembly and the assembly are convenient, the connector of the chassis and the installation frame is moved out of the shell under the rotation action of the sleeve, the worker can perform wiring assembly outside the shell, the operation is convenient, and the hexagonal block type cable connector is not limited by a small area inside the shell.
2. According to the invention, through the arrangement of the wire inlet sleeve, the water stop ring and the water inlet hole, when the water-proof cable is used, after the cable passes through the wire inlet sleeve and is fixedly connected with the internal structure of the water-proof cable inlet sleeve, the wire inlet sleeve is spirally connected in the connecting sleeve to realize fixation, after the steps are completed, a worker adds water into the mounting groove through the water inlet hole, and through the characteristic that the water stop ring expands when encountering water, the water stop ring expands when encountering water to realize the sealing between the cable and the wire inlet sleeve, so that the water-proof cable inlet sleeve has a good water-proof effect.
3. According to the invention, through the arrangement of the first mounting plate, the second mounting plate and the third mounting plate, when the device is used, the connection between the top of the device and an external component can be realized through the first mounting plate, the connection between the bottom of the device and the external component can be realized through the arrangement of the second mounting plate, and the connection between the side of the device and the external component can be realized through the arrangement of the third mounting plate.
4. According to the invention, through the arrangement of the shell and the corrugated arrangement on the side wall of the shell, the surface area of the side wall of the shell can be effectively increased, and the heat dissipation effect can be well improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a ground tank for power distribution network construction in the first embodiment;
FIG. 2 is a bottom view of FIG. 1;
fig. 3 is a schematic structural diagram of a grounding box for power distribution network construction in a wiring state according to the first embodiment;
FIG. 4 is an exploded view of FIG. 1;
FIG. 5 is a schematic view of the internal structure of the housing;
FIG. 6 is a schematic view of the overall construction of the mounting bracket and chassis interface;
FIG. 7 is a bottom view of FIG. 6;
FIG. 8 is an assembly view between the sleeve and the chassis;
FIG. 9 is a bottom view of FIG. 8;
fig. 10 is a schematic view of the overall structure of the conductive mechanism;
FIG. 11 is a schematic view of the overall construction of the connection mechanism;
FIG. 12 is a schematic diagram of a first conductive plate;
FIG. 13 is a schematic diagram of a second conductive plate;
figure 14 is a cross-sectional view of the gland;
FIG. 15 is an assembly view of the sealing sleeve and water stop ring;
FIG. 16 is a schematic structural view of the second embodiment;
FIG. 17 is a schematic structural view of the third embodiment;
fig. 18 is a schematic structural view of the third mounting plate of fig. 17.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a housing; 2. a chassis; 3. a first mounting plate; 4. a mounting frame; 5. a conductive mechanism; 6. a connecting mechanism; 7. a sleeve; 8. a first conductive plate; 9. a second conductive plate; 10. a third mounting plate; 101. a guide bar; 102. a screw rod; 103. a sealing groove; 104. a limiting disc; 201. sealing sleeves; 202. connecting sleeves; 203. a wire inlet sleeve; 204. a seal ring; 205. a rolling bearing; 206. a through hole; 207. a second mounting plate; 208. a second mounting hole; 301. fixing a column; 302. a first mounting hole; 401. a first insulating ring; 402. a second insulating ring; 403. a first connecting rod; 404. a second connecting rod; 501. a triangular conductive frame; 502. a protector; 503. a ground wire connector; 504. a first fixing lug; 505. a first fixing hole; 601. a triangular connecting frame; 602. an insulator; 603. a second fixing lug; 604. a second fixing hole; 701. a first internal thread; 702. a hexagonal block; 801. a first connecting plate; 802. a third fixing hole; 901. a wire connector; 902. a second connecting plate; 903. a fourth fixing hole; 1001. a third mounting hole; 1002. a first fixing plate; 1003. a second fixing plate; 1004. a fourth mounting hole; 1005. a fifth mounting hole; 2011. a first external thread; 2021. a water inlet sleeve; 2022. a water stop ring; 2023. a second external thread; 2024. a water inlet hole; 2025. mounting grooves; 2031. a third internal thread; 2061. a second internal thread; 4011. a guide strip; 4012. a guide hole; 4013. a first fixing bolt; 4021. and a second fixing bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "open", "one side", "lower", "height", "in the annular direction", "concentrically arranged", "alternately connected", "inner", "peripheral side", "outer", and the like, indicate orientations or positional relationships and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Example one
Referring to fig. 1-4, the invention relates to a grounding box for power distribution network construction, which comprises a shell 1 and a chassis 2, wherein the chassis 2 is arranged at one end of the shell 1 in an aligned manner, and the side surface of the shell 1 is arranged in a corrugated manner; this setting can improve the surface area of 1 curb plate of shell under limited size as far as possible, improves the radiating effect, and the inside of shell 1 is provided with mounting bracket 4 along vertical direction.
Referring to fig. 6-7, the mounting block 4 includes a first insulating ring 401, a second insulating ring 402, and a first connecting rod 403, where the first insulating ring 401 and the second insulating ring 402 are vertically aligned, and the first insulating ring 401 and the second insulating ring 402 are fixedly connected by the first connecting rod 403, and this arrangement can realize that the first insulating ring 401 and the second insulating ring 402 are fixedly connected as a whole;
a plurality of inverted L-shaped guide strips 4011 are uniformly distributed on the outer side wall of the first insulating ring 401 along the circumferential direction, and guide holes 4012 are formed in the top surfaces of the guide strips 4011;
the second insulating ring 402 is disposed on a side close to the chassis 2, and the second insulating ring 402 is fixedly connected to the chassis 2 through a second connecting rod 404, so that the first insulating ring 401, the second insulating ring 402 and the chassis 2 form a fixedly connected whole.
Referring to fig. 7-9, a through hole 206 is formed in the center of the chassis 2, a plurality of wire feeding sleeves 203 are fixedly connected to the chassis 2 outside the through hole 206, and the wire feeding sleeves 203 are communicated with the chassis 2; the inner center of the shell 1 is provided with a sleeve 7 along the vertical direction, one end of the sleeve 7 is in clearance fit in the through hole 206, the sleeve 7 is rotatably connected with the inner bottom surface of the chassis 2 through a rolling bearing 205, the sleeve 7 can freely rotate on the chassis 2 through the arrangement, the screw rod 102 is sleeved in the other end of the sleeve 7, a first internal thread 701 is arranged on the inner wall of the sleeve 7, the first internal thread 701 is used for being in spiral fit with the screw rod 102, the arrangement can realize mutual meshing feeding between the sleeve 7 and the screw rod 102 under the rotating action of the sleeve 7, and further realize the up-and-down movement of a connecting body of the chassis 2 and the mounting frame 4 in the shell 1;
a second internal thread 2061 is arranged inside the through hole 206 on one side of the sleeve 7, the second internal thread 2061 is used for being in threaded fit with a first external thread 2011 on the outer side wall of one end of the sealing sleeve 201, and the sealing sleeve 201 can play a role in sealing, dust and moisture prevention on the position of the through hole 206;
the outer end face of the sleeve 7 positioned in the through hole 206 is concentrically provided with a hexagonal block 702, and the hexagonal block 702 is used for enabling a worker to rotate the sleeve 7 through a tool;
a sealing ring 204 is circumferentially arranged on one side of the chassis 2 close to the shell 1, and the sealing ring 204 and the wire inlet sleeve 203 are respectively positioned on two sides of the chassis 2.
Referring to fig. 14-15, a connection sleeve 202 is fittingly arranged in the wire inlet sleeve 203, a water inlet sleeve 2021 is integrally formed on the connection sleeve 202, an installation groove 2025 with an opening facing inward is circumferentially arranged in the water inlet sleeve 2021, a water stop ring 2022 is interference fitted in the installation groove 2025, water inlet holes 2024 are circumferentially and uniformly distributed on the side wall of the water inlet sleeve 2021 outside the water stop ring 2022, in practical use, a cable is fitted in the connection sleeve 202, after the cable is connected, a worker can drip a certain amount of water into the installation groove 2025 through the water inlet hole 2024, and the water stop ring 2022 can be expanded by adding water;
the outer wall of the connecting sleeve 202 on one side of the water inlet sleeve 2021 is provided with a second external thread 2023, the second external thread 2023 is used for being in threaded fit with a third internal thread 2031 on the inner wall of the wire inlet sleeve 203, and the arrangement is convenient for the fixed connection between the connecting sleeve 202 and the wire inlet sleeve 203.
Referring to fig. 1-2 and 5, one end of a screw rod 102 is fixedly connected to the inner top surface of the housing 1, guide rods 101 are uniformly arranged on the inner top surface of the housing 1 at the outer side of the screw rod 102 along the circumferential direction, a limiting disc 104 is fixedly connected to the other end of each guide rod 101, and the guide rods 101 are in clearance fit with the guide holes 4012;
a sealing groove 103 is circumferentially arranged on one end face, close to the chassis 2, of the housing 1, the sealing groove 103 is used for being in clearance fit with a sealing ring 204, a rubber sealing ring is further matched between the sealing groove 103 and the sealing ring 204, and sealing protection between the chassis 2 and the housing 1 can be realized through the arrangement;
the shell 1 is connected with first mounting panel 3 through fixed column 301 for the other end surface central point that is provided with chassis 2 puts, all is provided with first mounting hole 302 on four turnings of first mounting panel 3, the setting of first mounting hole 302 on the first mounting panel 3 makes things convenient for the fixed mounting of this device when using.
Referring to fig. 3-4 and 10-11, first fixing bolts 4013 are uniformly circumferentially arranged on a side of the first insulating ring 401 farther from the second insulating ring 402, and second fixing bolts 4021 are uniformly circumferentially arranged on a side of the second insulating ring 402 closer to the first insulating ring 401; the first insulating ring 401 is internally provided with a conductive mechanism 5, and the second insulating ring 402 is internally provided with a connecting mechanism 6 on one side;
the conductive mechanism 5 comprises a triangular conductive frame 501 and a protector 502, the protector 502 is fixedly connected to three corners of one side surface of the triangular conductive frame 501 close to the second insulating ring 402 through connecting bolts, meanwhile, first fixing lugs 504 are arranged on outer side walls of the three corners of the other side surface of the triangular conductive frame 501, first fixing holes 505 are formed in the first fixing lugs 504, and the first fixing holes 505 are used for being matched and fixed with the first fixing bolts 4013; the arrangement can realize the fixed installation between the triangular conductive frame 501 and the first insulating ring 401, one end face of the center position of one side plate of the triangular conductive frame 501 is fixedly connected with a ground wire connector 503, the ground wire connector 503 and the protector 502 are respectively positioned at two sides of the triangular conductive frame 501, and the arrangement of the ground wire connector 503 is used for fixedly connecting one end of a ground wire;
the connecting mechanism 6 comprises a triangular connecting frame 601 and insulators 602, wherein the three corners of one side surface, close to the first insulating ring 401, of the triangular connecting frame 601 are fixedly connected with the insulators 602 through connecting bolts; the outer side walls of three corners of the triangular connecting frame 601 are fixedly connected with second fixing lugs 603, second fixing holes 604 are formed in the second fixing lugs 603, the second fixing holes 604 are used for being matched and fixed with second fixing bolts 4021, the triangular connecting frame 601 and the second insulating ring 402 can be conveniently and fixedly connected through the arrangement, and the triangular connecting frame 601 is an insulator.
Referring to fig. 10-12, the triangular connecting frame 601 and the triangular conductive frame 501 are aligned, and the three protectors 502 on the triangular conductive frame 501 are respectively fixedly connected to the aligned insulators 602 on the triangular connecting frame 601 through the first conductive plate 8;
the same side surfaces at two ends of the first conductive plate 8 are respectively provided with a first connecting plate 801 vertically, the first connecting plate 801 is provided with a third fixing hole 802, one third fixing hole 802 is used for being matched with a connecting bolt on the protector 502, and the other third fixing hole 802 is used for being matched with a connecting bolt on the insulator 602, so that electricity transmission between the insulator 602 and the protector 502 is facilitated.
Referring to fig. 11 and 13, the connecting bolt on the insulator 602 is further used for being matched and fixed with the fourth fixing hole 903 on the second connecting plate 902, and the second connecting plate 902 is vertically connected with one end of the second conductive plate 9; meanwhile, a lead connector 901 is arranged on one side face of the other end of the second conductive plate 9, and the lead connector 901 is used for fixedly connecting one end of a three-phase electric wire;
the wire connector 901 and the second connecting plate 902 are located on the same side of the second conductive plate 9, and the second conductive plate 9 is disposed to extend from one end of the wire connector 901 to one side of the chassis 2.
Example two
Referring to fig. 1-4, the invention relates to a grounding box for power distribution network construction, which comprises a shell 1 and a chassis 2, wherein the chassis 2 is arranged at one end of the shell 1 in an aligned manner, and the side surface of the shell 1 is arranged in a corrugated manner; this setting can improve the surface area of 1 curb plate of shell under limited size as far as possible, improves the radiating effect, and the inside of shell 1 is provided with mounting bracket 4 along vertical direction.
Referring to fig. 6-7, the mounting block 4 includes a first insulating ring 401, a second insulating ring 402, and a first connecting rod 403, where the first insulating ring 401 and the second insulating ring 402 are vertically aligned, and the first insulating ring 401 and the second insulating ring 402 are fixedly connected by the first connecting rod 403, and this arrangement can realize that the first insulating ring 401 and the second insulating ring 402 are fixedly connected as a whole;
a plurality of inverted L-shaped guide strips 4011 are uniformly distributed on the outer side wall of the first insulating ring 401 along the circumferential direction, and guide holes 4012 are formed in the top surfaces of the guide strips 4011;
the second insulating ring 402 is disposed on a side close to the chassis 2, and the second insulating ring 402 is fixedly connected to the chassis 2 through a second connecting rod 404, so that the first insulating ring 401, the second insulating ring 402 and the chassis 2 form a fixedly connected whole.
Referring to fig. 7-9, a through hole 206 is formed in the center of the chassis 2, a plurality of wire feeding sleeves 203 are fixedly connected to the chassis 2 outside the through hole 206, and the wire feeding sleeves 203 are communicated with the chassis 2; the inner center of the shell 1 is provided with a sleeve 7 along the vertical direction, one end of the sleeve 7 is in clearance fit in the through hole 206, the sleeve 7 is rotatably connected with the inner bottom surface of the chassis 2 through a rolling bearing 205, the sleeve 7 can freely rotate on the chassis 2 through the arrangement, the screw rod 102 is sleeved in the other end of the sleeve 7, a first internal thread 701 is arranged on the inner wall of the sleeve 7, the first internal thread 701 is used for being in spiral fit with the screw rod 102, the arrangement can realize mutual meshing feeding between the sleeve 7 and the screw rod 102 under the rotating action of the sleeve 7, and further realize the up-and-down movement of a connecting body of the chassis 2 and the mounting frame 4 in the shell 1;
a second internal thread 2061 is arranged inside the through hole 206 on one side of the sleeve 7, the second internal thread 2061 is used for being in threaded fit with a first external thread 2011 on the outer side wall of one end of the sealing sleeve 201, and the sealing sleeve 201 can play a role in sealing, dust and moisture prevention on the position of the through hole 206;
the outer end face of the sleeve 7 positioned in the through hole 206 is concentrically provided with a hexagonal block 702, and the hexagonal block 702 is used for enabling a worker to rotate the sleeve 7 through a tool;
a sealing ring 204 is circumferentially arranged on one side of the chassis 2 close to the shell 1, and the sealing ring 204 and the wire inlet sleeve 203 are respectively positioned on two sides of the chassis 2.
Referring to fig. 14-15, a connection sleeve 202 is fittingly arranged in the wire inlet sleeve 203, a water inlet sleeve 2021 is integrally formed on the connection sleeve 202, an installation groove 2025 with an opening facing inward is circumferentially arranged in the water inlet sleeve 2021, a water stop ring 2022 is interference fitted in the installation groove 2025, water inlet holes 2024 are circumferentially and uniformly distributed on the side wall of the water inlet sleeve 2021 outside the water stop ring 2022, in practical use, a cable is fitted in the connection sleeve 202, after the cable is connected, a worker can drip a certain amount of water into the installation groove 2025 through the water inlet hole 2024, and the water stop ring 2022 can be expanded by adding water;
the outer wall of the connecting sleeve 202 on one side of the water inlet sleeve 2021 is provided with a second external thread 2023, the second external thread 2023 is used for being in threaded fit with a third internal thread 2031 on the inner wall of the wire inlet sleeve 203, and the arrangement is convenient for the fixed connection between the connecting sleeve 202 and the wire inlet sleeve 203.
Referring to fig. 1-2 and 5, one end of a screw rod 102 is fixedly connected to the inner top surface of the housing 1, guide rods 101 are uniformly arranged on the inner top surface of the housing 1 at the outer side of the screw rod 102 along the circumferential direction, a limiting disc 104 is fixedly connected to the other end of each guide rod 101, and the guide rods 101 are in clearance fit with the guide holes 4012;
a sealing groove 103 is circumferentially arranged on one end face, close to the chassis 2, of the housing 1, the sealing groove 103 is used for being in clearance fit with a sealing ring 204, a rubber sealing ring is further matched between the sealing groove 103 and the sealing ring 204, and sealing protection between the chassis 2 and the housing 1 can be realized through the arrangement;
the shell 1 is connected with a first mounting plate 3 through a fixing column 301 relative to the center of the outer surface of the other end provided with the chassis 2, and four corners of the first mounting plate 3 are provided with first mounting holes 302.
Referring to fig. 16, four second mounting plates 207 are uniformly arranged on the outer side wall of the chassis 2 along the circumferential direction, two second mounting holes 208 are symmetrically arranged on the second mounting plates 207, and the arrangement of the second mounting plates 207 is matched with that of the first mounting plate 3, so that the device can be conveniently and fixedly mounted from the upper end and the lower end of the device according to the site construction environment.
Referring to fig. 3-4 and 10-11, first fixing bolts 4013 are uniformly circumferentially arranged on a side of the first insulating ring 401 farther from the second insulating ring 402, and second fixing bolts 4021 are uniformly circumferentially arranged on a side of the second insulating ring 402 closer to the first insulating ring 401; the first insulating ring 401 is internally provided with a conductive mechanism 5, and the second insulating ring 402 is internally provided with a connecting mechanism 6 on one side;
the conductive mechanism 5 comprises a triangular conductive frame 501 and a protector 502, the protector 502 is fixedly connected to three corners of one side surface of the triangular conductive frame 501 close to the second insulating ring 402 through connecting bolts, meanwhile, first fixing lugs 504 are arranged on outer side walls of the three corners of the other side surface of the triangular conductive frame 501, first fixing holes 505 are formed in the first fixing lugs 504, and the first fixing holes 505 are used for being matched and fixed with the first fixing bolts 4013; the arrangement can realize the fixed installation between the triangular conductive frame 501 and the first insulating ring 401, one end face of the center position of one side plate of the triangular conductive frame 501 is fixedly connected with a ground wire connector 503, the ground wire connector 503 and the protector 502 are respectively positioned at two sides of the triangular conductive frame 501, and the arrangement of the ground wire connector 503 is used for fixedly connecting one end of a ground wire;
the connecting mechanism 6 comprises a triangular connecting frame 601 and insulators 602, wherein the three corners of one side surface, close to the first insulating ring 401, of the triangular connecting frame 601 are fixedly connected with the insulators 602 through connecting bolts; the outer side walls of three corners of the triangular connecting frame 601 are fixedly connected with second fixing lugs 603, second fixing holes 604 are formed in the second fixing lugs 603, the second fixing holes 604 are used for being matched and fixed with second fixing bolts 4021, the triangular connecting frame 601 and the second insulating ring 402 can be conveniently and fixedly connected through the arrangement, and the triangular connecting frame 601 is an insulator.
Referring to fig. 10-12, the triangular connecting frame 601 and the triangular conductive frame 501 are aligned, and the three protectors 502 on the triangular conductive frame 501 are respectively fixedly connected to the aligned insulators 602 on the triangular connecting frame 601 through the first conductive plate 8;
the same side surfaces at two ends of the first conductive plate 8 are respectively provided with a first connecting plate 801 vertically, the first connecting plate 801 is provided with a third fixing hole 802, one third fixing hole 802 is used for being matched with a connecting bolt on the protector 502, and the other third fixing hole 802 is used for being matched with a connecting bolt on the insulator 602, so that electricity transmission between the insulator 602 and the protector 502 is facilitated.
Referring to fig. 11 and 13, the connecting bolt on the insulator 602 is further used for being matched and fixed with the fourth fixing hole 903 on the second connecting plate 902, and the second connecting plate 902 is vertically connected with one end of the second conductive plate 9; meanwhile, a lead connector 901 is arranged on one side face of the other end of the second conductive plate 9, and the lead connector 901 is used for fixedly connecting one end of a three-phase electric wire;
the wire connector 901 and the second connecting plate 902 are located on the same side of the second conductive plate 9, and the second conductive plate 9 is disposed to extend from one end of the wire connector 901 to one side of the chassis 2.
EXAMPLE III
Referring to fig. 1-4, the invention relates to a grounding box for power distribution network construction, which comprises a shell 1 and a chassis 2, wherein the chassis 2 is arranged at one end of the shell 1 in an aligned manner, and the side surface of the shell 1 is arranged in a corrugated manner; this setting can improve the surface area of 1 curb plate of shell under limited size as far as possible, improves the radiating effect, and the inside of shell 1 is provided with mounting bracket 4 along vertical direction.
Referring to fig. 6-7, the mounting block 4 includes a first insulating ring 401, a second insulating ring 402, and a first connecting rod 403, where the first insulating ring 401 and the second insulating ring 402 are vertically aligned, and the first insulating ring 401 and the second insulating ring 402 are fixedly connected by the first connecting rod 403, and this arrangement can realize that the first insulating ring 401 and the second insulating ring 402 are fixedly connected as a whole;
a plurality of inverted L-shaped guide strips 4011 are uniformly distributed on the outer side wall of the first insulating ring 401 along the circumferential direction, and guide holes 4012 are formed in the top surfaces of the guide strips 4011;
the second insulating ring 402 is disposed on a side close to the chassis 2, and the second insulating ring 402 is fixedly connected to the chassis 2 through a second connecting rod 404, so that the first insulating ring 401, the second insulating ring 402 and the chassis 2 form a fixedly connected whole.
Referring to fig. 7-9, a through hole 206 is formed in the center of the chassis 2, a plurality of wire feeding sleeves 203 are fixedly connected to the chassis 2 outside the through hole 206, and the wire feeding sleeves 203 are communicated with the chassis 2; the inner center of the shell 1 is provided with a sleeve 7 along the vertical direction, one end of the sleeve 7 is in clearance fit in the through hole 206, the sleeve 7 is rotatably connected with the inner bottom surface of the chassis 2 through a rolling bearing 205, the sleeve 7 can freely rotate on the chassis 2 through the arrangement, the screw rod 102 is sleeved in the other end of the sleeve 7, a first internal thread 701 is arranged on the inner wall of the sleeve 7, the first internal thread 701 is used for being in spiral fit with the screw rod 102, the arrangement can realize mutual meshing feeding between the sleeve 7 and the screw rod 102 under the rotating action of the sleeve 7, and further realize the up-and-down movement of a connecting body of the chassis 2 and the mounting frame 4 in the shell 1;
a second internal thread 2061 is arranged inside the through hole 206 on one side of the sleeve 7, the second internal thread 2061 is used for being in threaded fit with a first external thread 2011 on the outer side wall of one end of the sealing sleeve 201, and the sealing sleeve 201 can play a role in sealing, dust and moisture prevention on the position of the through hole 206;
the outer end face of the sleeve 7 positioned in the through hole 206 is concentrically provided with a hexagonal block 702, and the hexagonal block 702 is used for enabling a worker to rotate the sleeve 7 through a tool;
a sealing ring 204 is circumferentially arranged on one side of the chassis 2 close to the shell 1, and the sealing ring 204 and the wire inlet sleeve 203 are respectively positioned on two sides of the chassis 2.
Referring to fig. 14-15, a connection sleeve 202 is fittingly arranged in the wire inlet sleeve 203, a water inlet sleeve 2021 is integrally formed on the connection sleeve 202, an installation groove 2025 with an opening facing inward is circumferentially arranged in the water inlet sleeve 2021, a water stop ring 2022 is interference fitted in the installation groove 2025, water inlet holes 2024 are circumferentially and uniformly distributed on the side wall of the water inlet sleeve 2021 outside the water stop ring 2022, in practical use, a cable is fitted in the connection sleeve 202, after the cable is connected, a worker can drip a certain amount of water into the installation groove 2025 through the water inlet hole 2024, and the water stop ring 2022 can be expanded by adding water;
the outer wall of the connecting sleeve 202 on one side of the water inlet sleeve 2021 is provided with a second external thread 2023, the second external thread 2023 is used for being in threaded fit with a third internal thread 2031 on the inner wall of the wire inlet sleeve 203, and the arrangement is convenient for the fixed connection between the connecting sleeve 202 and the wire inlet sleeve 203.
Referring to fig. 1-2 and 5, one end of a screw rod 102 is fixedly connected to the inner top surface of the housing 1, guide rods 101 are uniformly arranged on the inner top surface of the housing 1 at the outer side of the screw rod 102 along the circumferential direction, a limiting disc 104 is fixedly connected to the other end of each guide rod 101, and the guide rods 101 are in clearance fit with the guide holes 4012;
a sealing groove 103 is circumferentially arranged on one end face, close to the chassis 2, of the housing 1, the sealing groove 103 is used for being in clearance fit with a sealing ring 204, a rubber sealing ring is further matched between the sealing groove 103 and the sealing ring 204, and sealing protection between the chassis 2 and the housing 1 can be realized through the arrangement;
the shell 1 is connected with a first mounting plate 3 through a fixing column 301 relative to the center of the outer surface of the other end provided with the chassis 2, and four corners of the first mounting plate 3 are provided with first mounting holes 302.
Referring to fig. 17-18, four second mounting plates 207 are uniformly arranged on the outer side wall of the chassis 2 along the circumferential direction, and two second mounting holes 208 are symmetrically arranged on the second mounting plates 207;
a first fixing plate 1002 and a second fixing plate 1003 are respectively vertically arranged on the same sides of two ends of the third mounting plate 10 relative to the third mounting plate 10, a plurality of fourth mounting holes 1004 are arranged on the first fixing plate 1002 in an array manner, two fifth mounting holes 1005 are symmetrically arranged on the second fixing plate 1003, and third mounting holes 1001 are also symmetrically arranged on two ends of the third mounting plate 10; the third mounting hole 1001 is used for external connection of the device, the fourth mounting hole 1004 is matched and fixed with the first mounting hole 302 through a limiting bolt, and the fifth mounting hole 1005 is matched and fixed with the second mounting hole 208 through a limiting bolt; the first mounting plate 3, the second mounting plate 207 and the third mounting plate 10 are matched, so that the device can be conveniently and fixedly mounted from the side end of the device according to the site construction environment.
Referring to fig. 3-4 and 10-11, first fixing bolts 4013 are uniformly circumferentially arranged on a side of the first insulating ring 401 farther from the second insulating ring 402, and second fixing bolts 4021 are uniformly circumferentially arranged on a side of the second insulating ring 402 closer to the first insulating ring 401; the first insulating ring 401 is internally provided with a conductive mechanism 5, and the second insulating ring 402 is internally provided with a connecting mechanism 6 on one side;
the conductive mechanism 5 comprises a triangular conductive frame 501 and a protector 502, the protector 502 is fixedly connected to three corners of one side surface of the triangular conductive frame 501 close to the second insulating ring 402 through connecting bolts, meanwhile, first fixing lugs 504 are arranged on outer side walls of the three corners of the other side surface of the triangular conductive frame 501, first fixing holes 505 are formed in the first fixing lugs 504, and the first fixing holes 505 are used for being matched and fixed with the first fixing bolts 4013; the arrangement can realize the fixed installation between the triangular conductive frame 501 and the first insulating ring 401, one end face of the center position of one side plate of the triangular conductive frame 501 is fixedly connected with a ground wire connector 503, the ground wire connector 503 and the protector 502 are respectively positioned at two sides of the triangular conductive frame 501, and the arrangement of the ground wire connector 503 is used for fixedly connecting one end of a ground wire;
the connecting mechanism 6 comprises a triangular connecting frame 601 and insulators 602, wherein the three corners of one side surface, close to the first insulating ring 401, of the triangular connecting frame 601 are fixedly connected with the insulators 602 through connecting bolts; the outer side walls of three corners of the triangular connecting frame 601 are fixedly connected with second fixing lugs 603, second fixing holes 604 are formed in the second fixing lugs 603, the second fixing holes 604 are used for being matched and fixed with second fixing bolts 4021, the triangular connecting frame 601 and the second insulating ring 402 can be conveniently and fixedly connected through the arrangement, and the triangular connecting frame 601 is an insulator.
Referring to fig. 10-12, the triangular connecting frame 601 and the triangular conductive frame 501 are aligned, and the three protectors 502 on the triangular conductive frame 501 are respectively fixedly connected to the aligned insulators 602 on the triangular connecting frame 601 through the first conductive plate 8;
the same side surfaces at two ends of the first conductive plate 8 are respectively provided with a first connecting plate 801 vertically, the first connecting plate 801 is provided with a third fixing hole 802, one third fixing hole 802 is used for being matched with a connecting bolt on the protector 502, and the other third fixing hole 802 is used for being matched with a connecting bolt on the insulator 602, so that electricity transmission between the insulator 602 and the protector 502 is facilitated.
Referring to fig. 11 and 13, the connecting bolt on the insulator 602 is further used for being matched and fixed with the fourth fixing hole 903 on the second connecting plate 902, and the second connecting plate 902 is vertically connected with one end of the second conductive plate 9; meanwhile, a lead connector 901 is arranged on one side face of the other end of the second conductive plate 9, and the lead connector 901 is used for fixedly connecting one end of a three-phase electric wire;
the wire connector 901 and the second connecting plate 902 are located on the same side of the second conductive plate 9, and the second conductive plate 9 is disposed to extend from one end of the wire connector 901 to one side of the chassis 2.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (9)

1. The utility model provides a grounding box is used in power distribution network construction, includes shell (1) and chassis (2), its characterized in that: one end of the shell (1) is provided with a chassis (2) in an aligning way, and the side surface of the shell (1) is arranged in a corrugated way; a mounting rack (4) is arranged in the shell (1) along the vertical direction;
the mounting frame (4) comprises a first insulating ring (401), a second insulating ring (402) and a first connecting rod (403), the first insulating ring (401) and the second insulating ring (402) are arranged in an up-down alignment mode, and the first insulating ring (401) and the second insulating ring (402) are fixedly connected through the first connecting rod (403);
a plurality of inverted L-shaped guide strips (4011) are uniformly distributed on the outer side wall of the first insulating ring (401) along the circumferential direction, and guide holes (4012) are formed in the top surfaces of the guide strips (4011);
the second insulating ring (402) is arranged on one side close to the chassis (2), and the second insulating ring (402) is fixedly connected with the chassis (2) through a second connecting rod (404);
a through hole (206) is formed in the center of the chassis (2), a plurality of wire inlet sleeves (203) are fixedly connected to the chassis (2) on the outer side of the through hole (206), and the wire inlet sleeves (203) are communicated with the chassis (2); a sleeve (7) is arranged in the center of the interior of the shell (1) along the vertical direction, one end of the sleeve (7) is in clearance fit in the through hole (206), the sleeve (7) is rotatably connected with the inner bottom surface of the chassis (2) through a rolling bearing (205), a screw rod (102) is sleeved in the other end of the sleeve (7), a first internal thread (701) is arranged on the inner wall of the sleeve (7), and the first internal thread (701) is used for being in spiral fit with the screw rod (102);
a second internal thread (2061) is arranged on the inner part of the through hole (206) positioned on one side of the sleeve (7), and the second internal thread (2061) is used for being in screw fit with a first external thread (2011) on the outer side wall of one end of the sealing sleeve (201);
wherein, a hexagonal block (702) is concentrically arranged on the outer end surface of the sleeve (7) positioned in the through hole (206);
a sealing ring (204) is arranged on one side surface of the chassis (2) close to the shell (1) along the circumferential direction, and the sealing ring (204) and the wire inlet sleeve (203) are respectively positioned on two sides of the chassis (2);
a connecting sleeve (202) is arranged in the wire inlet sleeve (203) in a matched mode, a water inlet sleeve (2021) is integrally formed on the connecting sleeve (202), an installation groove (2025) with an opening facing inwards is formed in the water inlet sleeve (2021) along the circumferential direction, a water stop ring (2022) is arranged in the installation groove (2025) in an interference fit mode, and water inlet holes (2024) are uniformly formed in the side wall of the water inlet sleeve (2021) on the outer side of the water stop ring (2022) along the circumferential direction;
a second external thread (2023) is arranged on the outer wall of the connecting sleeve (202) on one side of the water inlet sleeve (2021), and the second external thread (2023) is used for being in threaded fit with a third internal thread (2031) on the inner wall of the wire inlet sleeve (203);
one end of the screw rod (102) is fixedly connected to the inner top surface of the shell (1), guide rods (101) are uniformly distributed on the inner top surface of the shell (1) at the outer side of the screw rod (102) along the circumferential direction, a limiting disc (104) is fixedly connected to the other end of each guide rod (101), and the guide rods (101) are used for being in clearance fit in the guide holes (4012);
the outer shell (1) is connected with a first mounting plate (3) through a fixing column (301) relative to the center of the outer surface of the other end of the outer shell provided with the chassis (2), and four corners of the first mounting plate (3) are provided with first mounting holes (302).
2. The grounding box for the construction of the power distribution network as claimed in claim 1, wherein first fixing bolts (4013) are uniformly distributed on one side surface of the first insulating ring (401) far away from the second insulating ring (402) along the circumferential direction, and second fixing bolts (4021) are uniformly distributed on one side surface of the second insulating ring (402) close to the first insulating ring (401) along the circumferential direction; the inner part of the first insulating ring (401) is provided with a conducting mechanism (5), and the inner part of one side of the second insulating ring (402) is provided with a connecting mechanism (6).
3. The grounding box for the construction of the power distribution network as claimed in claim 2, wherein the conductive mechanism (5) comprises a triangular conductive frame (501) and a protector (502), the protector (502) is fixedly connected to three corners of one side surface of the triangular conductive frame (501) close to the second insulating ring (402) through connecting bolts, the first fixing lugs (504) are arranged on the outer side walls of the three corners of the other side surface of the triangular conductive frame (501), the first fixing holes (505) are arranged on the first fixing lugs (504), and the first fixing holes (505) are used for being matched and fixed with the first fixing bolts (4013); and a ground wire connector (503) is fixedly connected to one end face of the center position of one side plate of the triangular conductive frame (501), and the ground wire connector (503) and the protector (502) are respectively positioned at two sides of the triangular conductive frame (501).
4. The grounding box for the construction of the power distribution network as claimed in claim 3, wherein the connecting mechanism (6) comprises a triangular connecting frame (601) and insulators (602), and the insulators (602) are fixedly connected to three corners of one side surface of the triangular connecting frame (601) close to the first insulating ring (401) through connecting bolts; the outer side walls of three corners of the triangular connecting frame (601) are fixedly connected with second fixing lugs (603), second fixing holes (604) are formed in the second fixing lugs (603), and the second fixing holes (604) are used for being matched and fixed with second fixing bolts (4021).
5. The grounding box for the construction of the power distribution network as claimed in claim 4, wherein the triangular connecting frame (601) and the triangular conductive frame (501) are aligned, and the three protectors (502) on the triangular conductive frame (501) are respectively fixedly connected with the aligned insulators (602) on the triangular connecting frame (601) through the first conductive plate (8).
6. The grounding box for the construction of the power distribution network of claim 5, wherein the first conductive plates (8) are vertically provided with first connecting plates (801) on the same side surfaces of the two ends respectively, the first connecting plates (801) are provided with third fixing holes (802), one of the third fixing holes (802) is used for being matched with the connecting bolt on the protector (502), and the other third fixing hole (802) is used for being matched with the connecting bolt on the insulator (602).
7. The grounding box for the construction of the power distribution network as claimed in claim 6, wherein the connecting bolt on the insulator (602) is further used for being matched and fixed with a fourth fixing hole (903) on a second connecting plate (902), and the second connecting plate (902) is vertically connected with one end of the second conductive plate (9); meanwhile, a wire connector (901) is arranged on one side face of the other end of the second conductive plate (9).
8. The grounding box for the construction of the power distribution network as claimed in claim 7, wherein the wire connector (901) and the second connecting plate (902) are located at the same side of the second conductive plate (9), and the end of the second conductive plate (9) where the wire connector (901) is located extends towards the side of the chassis (2).
9. The grounding box for the construction of the power distribution network as claimed in claim 1, wherein a sealing groove (103) is circumferentially arranged on one end surface of the outer shell (1) close to the chassis (2), the sealing groove (103) is used for being in clearance fit with the sealing ring (204), and a rubber sealing ring is further fitted between the sealing groove (103) and the sealing ring (204).
CN202010612937.XA 2020-06-30 2020-06-30 Grounding box for power distribution network construction Active CN111769379B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010612937.XA CN111769379B (en) 2020-06-30 2020-06-30 Grounding box for power distribution network construction

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Application Number Priority Date Filing Date Title
CN202010612937.XA CN111769379B (en) 2020-06-30 2020-06-30 Grounding box for power distribution network construction

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CN111769379B true CN111769379B (en) 2021-09-24

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1161763A (en) * 1994-10-25 1997-10-08 雷伊化学公司 Connector for elongate cable
CN101692564A (en) * 2008-05-21 2010-04-07 欧科佳汽车公司 Connection box and connection assembly comprising such a box
CN103151640A (en) * 2013-03-17 2013-06-12 叶志荣 Household plane type waterproof floor socket

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1161763A (en) * 1994-10-25 1997-10-08 雷伊化学公司 Connector for elongate cable
CN101692564A (en) * 2008-05-21 2010-04-07 欧科佳汽车公司 Connection box and connection assembly comprising such a box
CN103151640A (en) * 2013-03-17 2013-06-12 叶志荣 Household plane type waterproof floor socket

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