CN217788896U

CN217788896U - Extra-high voltage direct current voltage divider protection device

Info

Publication number: CN217788896U
Application number: CN202221905973.6U
Authority: CN
Inventors: 汪通; 陈琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-11-11
Anticipated expiration: 2032-07-19

Abstract

The utility model discloses a special high voltage direct current voltage divider protection device relates to voltage divider protective housing technical field, the on-line screen storage device comprises a base, the protective housing is installed through the bolt in the top of base, and the top of protective housing has seted up the through-hole, two logical grooves have been seted up to the one end of protective housing, the inside of protective housing is provided with the voltage divider main part, and the top of voltage divider main part runs through to the top of through-hole, two interfaces are installed to the one end of voltage divider main part, and the one end of interface all extends to the inside in logical groove. The utility model discloses a when not using the interface, use the torsional spring to revolve the rotary rod, the cooperation through initiative conical gear and driven conical gear causes the rotation axis rotatory to lead to two movable blocks to remove in opposite directions, and drive the baffle with the help of the connecting rod and draw close each other and insert logical groove, plug up it and block the interface, thereby avoid the dust to get into inside the interface.

Description

Extra-high voltage direct current voltage divider protection device

Technical Field

The utility model relates to a voltage divider protection technical field specifically is an extra-high voltage direct current voltage divider protection device.

Background

The direct current voltage divider is a device for providing data for a control protection system by collecting direct current voltage in a direct current field, and is used as important equipment used in a direct current conversion station, a metal protection shell is generally used for protecting the direct current voltage divider so as to avoid damage of the direct current voltage divider.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an extra-high voltage direct current divider protection device to the interface that provides in solving above-mentioned background art exposes the problem that gets into the dust outside easily when not using.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an extra-high voltage direct current voltage divider protection device, includes the base, the protective housing is installed through the bolt in the top of base, and the top of protective housing has seted up the through-hole, two logical grooves have been seted up to the one end of protective housing, the inside of protective housing is provided with the voltage divider main part, and the top of voltage divider main part runs through to the top of through-hole, two interfaces are installed to the one end of voltage divider main part, and the one end of interface all extends to the inside of logical groove, two installation cavities have been seted up to the inside of protective housing one end, install the rotation axis through the pivot between the inside both sides of installation cavity, the welding of the outer wall intermediate position department of rotation axis has driven bevel gear, and the both ends of rotation axis outer wall all overlap and be equipped with the movable block, the connecting rod has all been welded to the bottom of movable block, and the baffle has all been welded to one side bottom of connecting rod, the one end of baffle all extends to the inside of logical groove, two cavitys have all been seted up to the inside of protective housing, the inside of cavity is all rotated and is installed the rotary rod, the one end of rotary rod all extends to the one end of protective housing, and the other end of rotary rod has all welded initiative bevel gear, and the inside of rotary rod extends to the installation cavity has all welded, the outer wall of torsional spring is installed.

Preferably, the one end of torsional spring is connected with the inner wall of cavity, and the other end of torsional spring is connected with the outer wall of rotary rod.

Preferably, the driven bevel gear and the driving bevel gear are the same in shape and size, and are meshed with each other.

Preferably, the two sides of the outer wall of the rotating shaft are respectively provided with external threads in opposite directions, and the inner wall of the moving block is respectively provided with internal threads matched with the internal threads.

Preferably, the guide slot has all been seted up at both ends around the installation cavity is inside, the guide block is all installed at both ends around the connecting rod, and constitutes sliding connection between sliding fit and the installation cavity between the connecting rod passes through guide block and the guide slot.

Preferably, the inner wall of the through hole is bonded with ash blocking cloth, and the inner wall of the ash blocking cloth is bonded with an elastic band.

Preferably, a plurality of ventilation holes have all been seted up to the both sides of protective housing, and the dust screen is all installed to the inner wall in ventilation hole.

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

when not using the interface, the torsional spring can be with the rotary rod gyration, causes the rotation axis rotation through the cooperation of initiative conical gear and driven conical gear to lead to two movable blocks to remove in opposite directions, and drive the baffle with the help of the connecting rod and draw close each other and insert logical groove, plug up and block the interface with it, thereby avoid the dust to get into inside the interface.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic front view of the cross-sectional structure of the present invention;

fig. 3 is a schematic view of a partial front sectional structure of the protective shell of the present invention;

fig. 4 is the local section structure schematic diagram that looks sideways of protective housing department of the utility model.

In the figure: 1. a voltage divider body; 2. dust cloth; 3. a protective shell; 4. a base; 5. rotating the rod; 6. a baffle plate; 7. a through groove; 8. a dust screen; 9. a vent hole; 10. elastic bands; 11. a through hole; 12. a rotating shaft; 13. a driven bevel gear; 14. a moving block; 15. a connecting rod; 16. a mounting cavity; 17. a cavity; 18. a torsion spring; 19. a driving bevel gear; 20. an interface.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment is as follows: referring to fig. 1-4, an extra-high voltage dc voltage divider protection device includes a base 4, a protective shell 3 is mounted on the top of the base 4 through a bolt, and a through hole 11 is formed on the top of the protective shell 3;

the inner wall of the through hole 11 is adhered with the dust blocking cloth 2, and the inner wall of the dust blocking cloth 2 is adhered with an elastic band 10;

specifically, as shown in fig. 1 and 2, the elastic band 10 is sleeved on the outer wall of the cylindrical portion at the top end of the voltage divider main body 1, and the elastic band 10 tightens the dust blocking cloth 2 to block the through hole 11, so that external dust is prevented from entering.

Two through grooves 7 are formed in one end of the protective shell 3, a voltage divider main body 1 is arranged inside the protective shell 3, the top end of the voltage divider main body 1 penetrates above the through hole 11, two inserting ports 20 are installed at one end of the voltage divider main body 1, one ends of the inserting ports 20 extend into the through grooves 7, two installation cavities 16 are formed in one end of the protective shell 3, a rotating shaft 12 is installed between two sides of the inside of each installation cavity 16 through a rotating shaft, a driven bevel gear 13 is welded in the middle position of the outer wall of the rotating shaft 12, moving blocks 14 are sleeved at two ends of the outer wall of the rotating shaft 12, a connecting rod 15 is welded at the bottom end of each moving block 14, a baffle 6 is welded at the bottom of one side of each connecting rod 15, one end of each baffle 6 extends into the through grooves 7, two cavities 17 are formed in one end of the protective shell 3, a rotating rod 5 is installed inside the cavities 17 in a rotating mode, one end of the rotating rod 5 extends to one end of the protective shell 3, a driving bevel gear 19 is welded at the other end of the rotating rod 5 extending into the installation cavities 16, and a torsion spring 18 is installed on the outer wall of the rotating rod 5 inside the cavities 17;

one end of the torsion spring 18 is connected with the inner wall of the cavity 17, and the other end of the torsion spring 18 is connected with the outer wall of the rotating rod 5;

the driven bevel gear 13 and the driving bevel gear 19 are the same in shape and size, and the driven bevel gear 13 and the driving bevel gear 19 are meshed;

external threads in opposite directions are respectively arranged on two sides of the outer wall of the rotating shaft 12, and internal threads matched with the external threads are respectively arranged on the inner wall of the moving block 14;

guide grooves are formed in the front end and the rear end inside the mounting cavity 16, guide blocks are arranged at the front end and the rear end of the connecting rod 15, and the connecting rod 15 is in sliding connection with the mounting cavity 16 through sliding fit between the guide blocks and the guide grooves;

specifically, as shown in fig. 1, 3 and 4, when the socket 20 is not used, the torsion spring 18 rotates the rotating rod 5, the rotating shaft 12 is rotated by the cooperation of the driving bevel gear 19 and the driven bevel gear 13, so that the two moving blocks 14 move towards each other, and the connecting rod 15 drives the baffle 6 to be close to each other and inserted into the through groove 7, so as to block the through groove 7 and block the socket 20, thereby preventing dust from entering the socket 20.

A plurality of vent holes 9 are formed in both sides of the protective shell 3, and dust screens 8 are mounted on the inner walls of the vent holes 9;

specifically, as shown in fig. 1 and fig. 2, the ventilation holes 9 can ensure that air circulation assists in heat dissipation, and the dust screen 8 prevents external dust from entering the protective casing 3 from the ventilation holes 9.

The working principle is as follows: when the device is used, firstly, the bottom of the voltage divider main body 1 is connected with the base 4, then, after the top of the voltage divider main body 1 penetrates through the through hole 11, the base 4 is fixedly connected with the protective shell 3 through bolts, the elastic band 10 is sleeved on the outer wall of the cylindrical part at the top end of the voltage divider main body 1, the elastic band 10 tensions the dust blocking cloth 2 to block the through hole 11, and external dust is prevented from entering the protective shell 3, the protective shell 3 of the device can protect the voltage divider main body 1, the ventilation holes 9 can ensure air circulation assistance for heat dissipation, and the dustproof net 8 prevents the external dust from entering the protective shell 3 from the ventilation holes 9;

when the device needs to be used, the rotating rod 5 is rotated to drive the torsion spring 18 to rotate and contract, meanwhile, the rotating rod 12 is rotated through the matching of the driving conical gear 19 and the driven conical gear 13, so that the two moving blocks 14 move oppositely, the connecting rod 15 drives the baffle plates 6 to be separated from each other and exit the through groove 7, and therefore the plugging port 20 is not shielded any more, and a circuit can be connected with the plugging port 20;

when the socket 20 is not used, the torsion spring 18 will rotate the rotating rod 5, so that the baffle 6 is inserted into the through slot 7, blocking it and blocking the socket 20, thereby preventing dust from entering the socket 20.

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. The utility model provides an extra-high voltage direct current divider protection device, includes base (4), its characterized in that: the top end of the base (4) is provided with a protective shell (3) through a bolt, the top end of the protective shell (3) is provided with a through hole (11), one end of the protective shell (3) is provided with two through grooves (7), the inside of the protective shell (3) is provided with a voltage divider main body (1), the top end of the voltage divider main body (1) penetrates above the through hole (11), one end of the voltage divider main body (1) is provided with two inserting ports (20), one end of each inserting port (20) extends into the through groove (7), the inside of one end of the protective shell (3) is provided with two mounting cavities (16), a rotating shaft (12) is mounted between two sides inside the mounting cavities (16) through a rotating shaft, a driven bevel gear (13) is welded at the middle position of the outer wall of the rotating shaft (12), two ends of the outer wall of the rotating shaft (12) are both sleeved with moving blocks (14), connecting rods (15) are welded at the bottom ends of the moving blocks (14), a baffle plate (6) is welded at the bottom of one side of the connecting rods (15), one end of the baffle plate (6) extends into the through groove (7), two rotating rods (5) are both provided with cavities (17), and one ends of the rotating shaft (5), and the other end of rotary rod (5) extends to the inside of installation cavity (16) and all has welded initiative conical gear (19), torsional spring (18) are installed to rotary rod (5) outer wall inside cavity (17).

2. The protection device of claim 1, wherein: one end of the torsion spring (18) is connected with the inner wall of the cavity (17), and the other end of the torsion spring (18) is connected with the outer wall of the rotating rod (5).

3. The protection device of claim 1, wherein: the driven bevel gear (13) and the driving bevel gear (19) are the same in shape and size, and the driven bevel gear (13) and the driving bevel gear (19) are meshed with each other.

4. The protection device of claim 1, wherein: the two sides of the outer wall of the rotating shaft (12) are respectively provided with external threads in opposite directions, and the inner wall of the moving block (14) is respectively provided with internal threads matched with the internal threads.

5. The protection device of claim 1, wherein: guide grooves are formed in the front end and the rear end of the interior of the installation cavity (16), guide blocks are installed at the front end and the rear end of the connecting rod (15), and the connecting rod (15) is in sliding connection with the installation cavity (16) through sliding fit between the guide blocks and the guide grooves.

6. The protection device of claim 1, wherein: the inner wall of the through hole (11) is bonded with the dust blocking cloth (2), and the inner wall of the dust blocking cloth (2) is bonded with the elastic band (10).

7. The protection device of claim 1, wherein: a plurality of ventilation holes (9) have all been seted up to the both sides of protective housing (3), and dust screen (8) are all installed to the inner wall in ventilation hole (9).