CN214099291U

CN214099291U - External insulation device of direct current circuit

Info

Publication number: CN214099291U
Application number: CN202120135726.1U
Authority: CN
Inventors: 武凯厚
Original assignee: Nanjing Houtai Electrical Technology Co ltd
Current assignee: Nanjing Houtai Electrical Technology Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-08-31
Anticipated expiration: 2031-01-19

Abstract

The utility model discloses a direct current circuit's outside insulator arrangement relates to insulator arrangement technical field, and direct current circuit for solving among the prior art directly contacts with ground connection electric power tower, produces electric arc easily, causes the problem of certain potential safety hazard. Place the internally mounted of piece and have the silastic layer, and place piece and silastic layer and pass through glue fixed connection, the inside on silastic layer is provided with the connecting block, and the connecting block with place the piece and pass through bolt fixed connection, the inside of placing the piece is provided with the inner groovy, the top of placing the piece is provided with U type screw rod, and U type screw rod runs through and places the piece, fastening nut is installed in the outside of U type screw rod, and U type screw rod and fastening nut threaded connection, the silastic block is installed in the outside of U type screw rod, and U type screw rod and silastic block fixed connection, the internally mounted of silastic block has the boss, and the silastic block passes through glue fixed connection with the boss.

Description

External insulation device of direct current circuit

Technical Field

The utility model relates to an insulator arrangement technical field specifically is a DC circuit's outside insulator arrangement.

Background

The direct current circuit is a circuit with unchanged current direction, the current magnitude of the direct current circuit can be changed, the current magnitude direction is invariable called, the direct current can only flow when the circuit is closed, and the direct current stops flowing completely when the circuit is opened, positive charges flow to a low potential position from a high potential position through a resistor outside a power supply, the electrostatic force is overcome by the action of non-electrostatic force of the power supply in the power supply, then the positive charges are carried to the high potential position from the low potential position, and the circulation is carried out, so that a closed current line is formed.

At present, a grounding power tower is often required to support a circuit in the transmission process of a direct-current circuit, but the direct-current circuit is directly contacted with the grounding power tower, so that electric arcs are easily generated, and certain potential safety hazards are caused; therefore, the market is urgently in need of developing an external insulation device of a direct current circuit to help people to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dc circuit's outside insulator arrangement to solve the direct current circuit that provides in the above-mentioned background art and directly contact with ground connection electric power tower, produce electric arc easily, cause the problem of certain potential safety hazard.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an external insulation device of direct current circuit, is including putting piece and first connector, the internally mounted who puts the piece has the silastic-layer, and puts piece and silastic-layer and pass through glue fixed connection, the inside on silastic-layer is provided with the connecting block, and the connecting block with place the piece and pass through bolt fixed connection, the inside of putting the piece is provided with the inner groovy, the top of putting the piece is provided with U type screw rod, and U type screw rod runs through and puts the piece, fastening nut is installed in the outside of U type screw rod, and U type screw rod and fastening nut threaded connection.

Preferably, the silicon rubber block is installed in the outside of U type screw rod, and U type screw rod and silicon rubber block fixed connection, the internally mounted of silicon rubber block has the boss, and silicon rubber block and boss pass through glue fixed connection, the below of silicon rubber block is provided with the arc wall.

Preferably, a glass fiber rod is installed below the first connecting head, the first connecting head is fixedly connected with the glass fiber rod, a reinforcing rod is installed inside the glass fiber rod, and the glass fiber rod is fixedly connected with the reinforcing rod.

Preferably, an insulating ring is installed on the outer side of the glass fiber rod, the glass fiber rod penetrates through the insulating ring, a second connector is installed below the glass fiber rod, and the glass fiber rod is fixedly connected with the second connector.

Preferably, the dead lever is installed to the below of second connector, and second connector and dead lever fixed connection, the below of dead lever is provided with the mounting panel, the internally mounted of mounting panel has the installation screw rod, and the installation screw rod runs through the mounting panel, mounting nut is installed in the outside of installation screw rod, and installation screw rod and mounting nut threaded connection.

Preferably, the below of mounting panel is provided with the fixed block, the below of fixed block is provided with fastening bolt, mounting panel and fixed block all pass through fastening bolt and dead lever fixed connection.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a setting through putting piece and U type screw rod can be fixed to direct current circuit, wherein installs silastic-layer and silicon rubber piece respectively in the inside of putting the piece and the outside of U type screw rod, and silicon rubber has fine resistive, can prevent that direct current circuit from taking place the friction when rocking in the air and producing electric arc, improves direct current circuit's security.

2. The utility model discloses a through the setting of insulating ring spare, wherein insulating ring spare is the ring form, can remove dust through the rainwater, reduces the dust of self, and the inside glass fiber pole that sets up of insulating ring spare has very high insulating nature and intensity simultaneously, can prevent the transmission of electric current, reinforcing insulating ability.

Drawings

Fig. 1 is a front view of an external insulation device of a dc circuit according to the present invention;

FIG. 2 is a side cross-sectional view of the placement block of the present invention;

fig. 3 is a cross-sectional view of a portion a of the present invention;

fig. 4 is a cross-sectional view of the first connector, the insulating ring member, and the second connector of the present invention.

In the figure: 1. placing the block; 2. a silicone rubber block; 3. a first connector; 4. an insulating ring member; 5. a second connector; 6. fixing the rod; 7. mounting a plate; 8. installing a screw rod; 9. mounting a nut; 10. a fixed block; 11. fastening a bolt; 12. a U-shaped screw; 13. a reinforcing block; 14. an arc-shaped slot; 15. a silicone rubber layer; 16. an inner groove; 17. fastening a nut; 18. connecting blocks; 19. a fiberglass rod; 20. a reinforcing rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides an external insulation device of direct current circuit, including putting piece 1 and first connector 3, the internally mounted who puts piece 1 has the silastic-layer 15, and place piece 1 and silastic-layer 15 and pass through glue fixed connection, the inside of silastic-layer 15 is provided with connecting block 18, and connecting block 18 with place piece 1 and pass through bolt fixed connection, the inside of putting piece 1 is provided with inner groovy 16, the top of putting piece 1 is provided with U type screw rod 12, and U type screw rod 12 runs through and puts piece 1, fastening nut 17 is installed in the outside of U type screw rod 12, and U type screw rod 12 and fastening nut 17 threaded connection.

Further, silicon rubber block 2 is installed in the outside of U type screw rod 12, and U type screw rod 12 and silicon rubber block 2 fixed connection, the internally mounted of silicon rubber block 2 has boss 13, and silicon rubber block 2 passes through glue fixed connection with boss 13, the below of silicon rubber block 2 is provided with arc wall 14, the setting of silicon rubber block 2, can prevent that direct current circuit from taking place the friction with U type screw rod 12 when rocking, silicon rubber block 2 has fine resistance nature simultaneously, improve direct current circuit's security.

Further, the glass fiber rod 19 is installed below the first connector 3, the first connector 3 is fixedly connected with the glass fiber rod 19, the reinforcing rod 20 is installed inside the glass fiber rod 19, the glass fiber rod 19 is fixedly connected with the reinforcing rod 20, and the glass fiber rod 19 is arranged, so that current can be prevented from being transmitted, and the insulation performance of the device is improved.

Furthermore, an insulating ring member 4 is installed on the outer side of the glass fiber rod 19, the glass fiber rod 19 penetrates through the insulating ring member 4, a second connector 5 is installed below the glass fiber rod 19, the glass fiber rod 19 is fixedly connected with the second connector 5, the insulating ring member 4 is in a circular ring shape, dust can be removed through rainwater, dust of the insulating ring member can be reduced, and the cleanliness of the device can be improved.

Further, dead lever 6 is installed to the below of second connector 5, and second connector 5 and dead lever 6 fixed connection, the below of dead lever 6 is provided with mounting panel 7, the internally mounted of mounting panel 7 has installation screw 8, and installation screw 8 runs through mounting panel 7, mounting nut 9 is installed in the outside of installation screw 8, and installation screw 8 and mounting nut 9 threaded connection, the both sides of mounting panel 7 all are provided with installation screw 8, can improve the fixed stability of mounting panel 7 installation, the security that the device is fixed has been improved.

Further, a fixing block 10 is arranged below the mounting plate 7, a fastening bolt 11 is arranged below the fixing block 10, the mounting plate 7 and the fixing block 10 are fixedly connected with the fixing rod 6 through the fastening bolt 11, and a threaded hole is formed in the fixing rod 6, so that the fastening bolt 11 can be screwed into the fixing rod 6.

The working principle is as follows: during the use, place DC circuit in putting the inner groovy 16 of putting block 1, then put in block 1 with U type screw rod 12 inserts, screw up fastening nut 17, make DC circuit be in the space between silicon rubber block 2 and the silastic layer 15, through the setting of silicon rubber block 2 and silastic layer 15, can prevent DC circuit when rocking with put block 1, U type screw rod 12 takes place the friction, silicon rubber block 2 and silastic layer 15 have fine resistance nature simultaneously, can improve DC circuit's security, then screw up fastening bolt 11, make mounting panel 7 and 6 fixed connection of dead lever, the effect of rethread mounting screw rod 8, it is fixed to install the device.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An external insulation device of a direct current circuit, comprising a placing block (1) and a first connector (3), characterized in that: place the internally mounted of piece (1) and have silastic layer (15), and place piece (1) and silastic layer (15) and pass through glue fixed connection, the inside of silastic layer (15) is provided with connecting block (18), and connecting block (18) and place piece (1) and pass through bolt fixed connection, the inside of placing piece (1) is provided with inner groovy (16), the top of placing piece (1) is provided with U type screw rod (12), and U type screw rod (12) run through and place piece (1), fastening nut (17) are installed in the outside of U type screw rod (12), and U type screw rod (12) and fastening nut (17) threaded connection.

2. An external insulation arrangement for a direct current circuit according to claim 1, characterized in that: silicon rubber piece (2) are installed in the outside of U type screw rod (12), and U type screw rod (12) and silicon rubber piece (2) fixed connection, the internally mounted of silicon rubber piece (2) has boss (13), and silicon rubber piece (2) and boss (13) pass through glue fixed connection, the below of silicon rubber piece (2) is provided with arc wall (14).

3. An external insulation arrangement for a direct current circuit according to claim 1, characterized in that: glass fiber pole (19) are installed to the below of first connector (3), and first connector (3) and glass fiber pole (19) fixed connection, the internally mounted of glass fiber pole (19) has stiffener (20), and glass fiber pole (19) and stiffener (20) fixed connection.

4. An external insulation arrangement for a direct current circuit according to claim 3, characterized in that: an insulating ring piece (4) is installed on the outer side of the glass fiber rod (19), the glass fiber rod (19) penetrates through the insulating ring piece (4), a second connector (5) is installed below the glass fiber rod (19), and the glass fiber rod (19) is fixedly connected with the second connector (5).

5. An external insulation arrangement for a direct current circuit according to claim 4, characterized in that: dead lever (6) is installed to the below of second connector (5), and second connector (5) and dead lever (6) fixed connection, the below of dead lever (6) is provided with mounting panel (7), the internally mounted of mounting panel (7) has mounting screw (8), and mounting screw (8) run through mounting panel (7), mounting nut (9) are installed in the outside of mounting screw (8), and mounting screw (8) and mounting nut (9) threaded connection.

6. An external insulation arrangement for a direct current circuit according to claim 5, characterized in that: the mounting plate is characterized in that a fixing block (10) is arranged below the mounting plate (7), a fastening bolt (11) is arranged below the fixing block (10), and the mounting plate (7) and the fixing block (10) are fixedly connected with a fixing rod (6) through the fastening bolt (11).