CN219303545U - External isolation shell of high-voltage isolation switch - Google Patents

Abstract

The utility model discloses an external isolation shell of a high-voltage isolation switch, which comprises a bottom plate, wherein the upper end surface of the bottom plate is provided with first clamping grooves on four sides, the isolation shell is inserted into the first clamping grooves, two groups of limit grooves are respectively formed in the two sides of the bottom plate and the isolation shell, and limit rods are correspondingly arranged in the limit grooves. The motor in the isolation shell outside the high-voltage isolation switch drives the fan blade to rotate through the output shaft, and the inside of the isolation shell forms a suction heat dissipation structure with the outside of the isolation shell through the fan blade and the ventilation opening, so that heat dissipation is carried out on high temperature generated inside the isolation shell; the device keeps apart the shell outer wall and is equipped with nylon plastic wall through the fix with screw to carry out low temperature protection to the isolation shell, and keep apart the shell up end lantern ring and constitute spiral locking structure through screw rod, nut and shaft cap, and the brush passes through shaft cap, lantern ring and isolation shell and constitutes movable revolution mechanic, thereby is convenient for in time clear up the debris of scraping up on the nylon plastic wall.

Description

External isolation shell of high-voltage isolation switch

Technical Field

The utility model relates to the technical field of high-voltage isolating switch shells, in particular to an external isolating shell of a high-voltage isolating switch.

Background

The high-voltage isolating switch is an important switching device in power plants and substation electrical systems, and is matched with a high-voltage circuit breaker to be used, and the isolating switch is suitable for indoor devices with three-phase alternating current of 50Hz and rated voltage of 12 KV. In the use process of the high-voltage isolating switch, in order to protect the safety of the high-voltage isolating switch, an isolating shell is required to be used for protecting the high-voltage isolating switch.

The sealing state of the existing isolation shell is easy to cause the internal temperature to be too high, so that the internal high-voltage isolation switch is damaged, and the isolation shell is easy to embrittle when the outdoor temperature is too low. For this reason, an external isolation case of a high-voltage isolation switch is proposed to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide an external isolation shell of a high-voltage isolation switch, which solves the problems that the prior isolation shell sealing state in the background technology is easy to cause the internal temperature to be too high, so that the internal high-voltage isolation switch is damaged, and the isolation shell is easy to embrittle when the outdoor temperature is too low.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an outside isolation shell of high voltage isolation switch, includes the bottom plate, the bottom plate up end is equipped with the base through the fix with screw, and is equipped with high voltage isolation switch on the base, the bottom plate up end has seted up first block groove in the four sides, and alternate there is the isolation shell in the first block groove, two sets of spacing grooves have been seted up respectively to bottom plate and isolation shell both sides, and the corresponding gag lever post that is equipped with in the spacing groove, the gag lever post other end is in bottom plate external connection arm-tie, and is equipped with the spring between arm-tie and the bottom plate, the arm-tie is connected to spring one end, and the outer wall of bottom plate is connected to the spring other end;

the upper end face of the isolation shell is provided with a ventilation net in the middle, a fan outer frame is fixedly arranged below the ventilation net, a motor box is arranged in the fan outer frame, a motor is arranged in the motor box, an output shaft is arranged at the lower end of the motor, a plurality of groups of fan blades are uniformly arranged on the outer wall of the output shaft, and ventilation openings are respectively formed in two sides of the isolation shell;

the motor box up end is fixed to be equipped with the second block groove, and the block has the pivot in the second block groove, drive gear is established to the cover on the output shaft, and drive gear one side corresponds and be equipped with driven gear, drive gear, driven gear outer wall cover have the drive belt, it has the rotary rod to alternate in the driven gear, and the other end block of rotary rod is in the change inslot of ventilation net lower extreme face, driven gear is established to pivot and rotary rod by change inslot one end difference cover, and two sets of driven gear outer walls cover has the drive belt equally, the pivot other end is equipped with the shaft cap in isolation housing up end, and the shaft cap top is equipped with the nut, the spiral has the screw rod in the nut, and the screw rod top is fixed to be equipped with the lantern ring, the fixed brush that is equipped with of lantern ring outer wall.

Preferably, the isolation shell and the bottom plate form a clamping structure through the first clamping groove, and the limiting rod forms an elastic limiting structure through the pull plate, the spring and the limiting groove.

Preferably, the fan blade and the isolation shell form a rotary structure through the motor and the output shaft, and the inside of the isolation shell forms a suction heat dissipation structure through the fan blade and the ventilation opening and the outside of the isolation shell.

Preferably, the output shaft is driven by the motor to form a linkage structure through the driving gear, the driven gear, the transmission belt and the rotating rod, and the rotating rod forms a linkage structure through the two groups of driven gears, the transmission belt and the rotating shaft.

Preferably, the lantern ring forms a spiral locking structure with the shaft cover through the screw rod, the screw cap, and the hairbrush forms a movable rotating structure with the isolating shell through the shaft cover, the lantern ring.

Compared with the prior art, the utility model has the beneficial effects that: the motor in the isolation shell outside the high-voltage isolation switch drives the fan blade to rotate through the output shaft, and the inside of the isolation shell forms a suction heat dissipation structure with the outside of the isolation shell through the fan blade and the ventilation opening, so that heat dissipation is carried out on high temperature generated inside the isolation shell; the device keeps apart the shell outer wall and is equipped with nylon plastic wall through the fix with screw to carry out low temperature protection to the isolation shell, and keep apart the shell up end lantern ring and constitute spiral locking structure through screw rod, nut and shaft cap, and the brush passes through shaft cap, lantern ring and isolation shell and constitutes movable revolution mechanic, thereby is convenient for in time clear up the debris of scraping up on the nylon plastic wall.

Drawings

FIG. 1 is a schematic view of an external isolation housing of a high voltage isolation switch according to the present utility model;

FIG. 2 is a schematic side view of a suction heat dissipation assembly of an external isolation housing of a high voltage isolation switch according to the present utility model;

FIG. 3 is a schematic top view of an elastic spacing assembly of an external isolation housing of a high voltage isolation switch according to the present utility model;

FIG. 4 is a schematic side view of a nylon plastic wall assembly of an external isolation housing of a high voltage isolation switch according to the present utility model;

FIG. 5 is an enlarged schematic view of the structure of the outer isolation casing of the high voltage isolation switch of FIG. 1;

fig. 6 is an enlarged schematic view of the structure of the external isolation housing B in fig. 1 of the high voltage isolation switch according to the present utility model.

In the figure: 1. the fan comprises a bottom plate, 2, a base, 3, a high-voltage isolating switch, 4, an isolating shell, 5, a first clamping groove, 6, a limiting rod, 7, a spring, 8, a pulling plate, 9, a ventilation net, 10, a fan outer frame, 11, a motor box, 12, a motor, 13, an output shaft, 14, fan blades, 15, a ventilation opening, 16, a driving gear, 17, a driven gear, 18, a driving belt, 19, a rotating rod, 20, a second clamping groove, 21, a rotating shaft, 22, a hairbrush, 23, a shaft cover, 24 and a lantern ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides an outside isolation shell of high voltage isolation switch, including bottom plate 1, bottom plate 1 up end is equipped with base 2 through the fix with screw, and be equipped with high voltage isolation switch 3 on the base 2, bottom plate 1 up end has seted up first block groove 5 in the four sides, and it has isolation shell 4 to alternate in the first block groove 5, two sets of spacing grooves have been seted up respectively to bottom plate 1 and isolation shell 4 both sides, and the corresponding gag lever post 6 that is equipped with in the spacing groove, the gag lever post 6 other end is in bottom plate 1 external connection arm-tie 8, and be equipped with spring 7 between arm-tie 8 and the bottom plate 1, arm-tie 8 is connected to spring 7 one end, and the outer wall of bottom plate 1 is connected to the spring 7 other end;

further, the isolation shell 4 and the bottom plate 1 form a clamping structure through the first clamping groove 5, and the limiting rod 6 and the limiting groove form an elastic limiting structure through the pull plate 8 and the spring 7, so that the isolation shell 4 is convenient to install and detach, and the internal high-voltage isolation switch 3 is convenient to operate in a related mode.

The upper end face of the isolation shell 4 is provided with a ventilation net 9 in the middle, a fan outer frame 10 is fixedly arranged below the ventilation net 9, a motor box 11 is arranged in the fan outer frame 10, a motor 12 is arranged in the motor box 11, an output shaft 13 is arranged at the lower end of the motor 12, a plurality of groups of fan blades 14 are uniformly arranged on the outer wall of the output shaft 13, and ventilation openings 15 are respectively formed in two sides of the isolation shell 4;

further, the fan blade 14 and the isolation shell 4 form a rotating structure through the motor 12 and the output shaft 13, and the inside of the isolation shell 4 forms a sucking and heat-radiating structure with the outside of the isolation shell 4 through the fan blade 14 and the ventilation opening 15, so that heat generated in the inside of the isolation shell 4 is radiated, and the damage to the high-voltage isolation switch 3 caused by overhigh internal temperature is avoided.

The upper end face of the motor box 11 is fixedly provided with a second clamping groove 20, a rotating shaft 21 is clamped in the second clamping groove 20, a driving gear 16 is sleeved on the output shaft 13, one side of the driving gear 16 is correspondingly provided with a driven gear 17, the driving gear 16 and the outer wall of the driven gear 17 are sleeved with a driving belt 18, a rotating rod 19 is inserted in the driven gear 17, the other end of the rotating rod 19 is clamped in a rotating groove on the lower end face of the ventilation net 9, the rotating shaft 21 and one end, close to the rotating groove, of the rotating rod 19 are respectively sleeved with the driven gear 17, and the outer walls of the two groups of driven gears 17 are also sleeved with the driving belt 18;

further, the output shaft 13 forms a linkage structure with the rotating rod 19 through the driving gear 16, the driven gear 17, the driving belt 18 and the rotating rod 19 under the driving of the motor 12, and the rotating rod 19 forms a linkage structure with the rotating shaft 21 through the two groups of the driven gears 17, the driving belt 18, so that the motor 12 drives the fan blade 14 and the hairbrush 22 to synchronously work through the linkage assembly, and the working efficiency of the device is increased.

The other end of the rotating shaft 21 is provided with a shaft cover 23 on the upper end surface of the isolation shell 4, a screw cap is arranged above the shaft cover 23, a screw is screwed in the screw cap, a lantern ring 24 is fixedly arranged above the screw, a hairbrush 22 is fixedly arranged on the outer wall of the lantern ring 24, and a nylon plastic wall is fixedly arranged on the outer wall of the isolation shell 4 through screws;

further, the lantern ring 24 forms a spiral locking structure with the shaft cover 23 through the screw rod and the screw cap, so that the brush 22 is convenient to mount and dismount, and the brush 22 forms a movable rotating structure with the isolation shell 4 through the shaft cover 23 and the lantern ring 24, so that snow on the upper end face of the nylon plastic wall can be cleaned timely through the brush 22.

Working principle: in the external isolation shell of the high-voltage isolation switch, firstly, the high-voltage isolation switch 3 is mounted on the bottom plate 1 through a screw, then the pull plate 8 is pulled to two sides, the limit rod 6 is pulled out through the pull plate 8 and the spring 7, meanwhile, the isolation shell 4 is inserted into the first clamping groove 5 on the bottom plate 1, then the pull plate 8 is loosened, the spring 7 is restored after losing tension, and meanwhile, the limit rod 6 is driven to be inserted into the limit grooves on the bottom plate 1 and the isolation shell 4, so that the isolation shell 4 is limited; if the internal high-voltage isolating switch 3 needs to be operated, pulling the pull plates 8 to two sides, and taking out the isolating shell 4 according to the same principle; when the isolation shell 4 is installed, the motor 12 in the motor box 11 is started, and the motor 12 drives the output shaft 13 to work, so that the fan blades 14 are driven to rotate in the isolation shell 4, and further heat in the isolation shell 4 is discharged to the outside through the ventilation opening 15, and the condition that the temperature in the isolation shell 4 is too high is effectively avoided; if outdoor temperature is lower, then locate nylon plastic wall fixed isolation shell 4 outer wall through the screw to in the nut of cover 23 top will be passed through the lantern ring 24 spiral through the screw rod, output shaft 13 drives rotary rod 19 through driving gear 16, driven gear 17, drive belt 18 and rotates, and rotary rod 19 drives pivot 21 through two sets of driven gear 17, drive belt 18 and carry out synchronous rotation, and then make brush 22 carry out snow clearance in nylon plastic wall up end, avoid the low temperature to lead to isolation shell 4 to take place the condition such as embrittlement. This is the process of using the external isolation housing of the high voltage isolation switch.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (5)

1. The utility model provides an outside isolation casing of high voltage isolation switch, includes bottom plate (1), bottom plate (1) up end is equipped with base (2) through the fix with screw, and is equipped with high voltage isolation switch (3), its characterized in that on base (2): the novel anti-theft device is characterized in that a first clamping groove (5) is formed in the upper end face of the bottom plate (1) on four sides, an isolation shell (4) is inserted into the first clamping groove (5), two groups of limiting grooves are respectively formed in two sides of the bottom plate (1) and the isolation shell (4), limiting rods (6) are correspondingly arranged in the limiting grooves, the other ends of the limiting rods (6) are connected with a pull plate (8) outside the bottom plate (1), a spring (7) is arranged between the pull plate (8) and the bottom plate (1), one end of the spring (7) is connected with the pull plate (8), and the other ends of the springs (7) are connected with the outer wall of the bottom plate (1); the upper end face of the isolation shell (4) is provided with a ventilation net (9) in the middle, a fan outer frame (10) is fixedly arranged below the ventilation net (9), a motor box (11) is arranged in the fan outer frame (10), a motor (12) is arranged in the motor box (11), an output shaft (13) is arranged at the lower end of the motor (12), a plurality of groups of fan blades (14) are uniformly arranged on the outer wall of the output shaft (13), and ventilation openings (15) are respectively formed in two sides of the isolation shell (4); the motor box (11) up end is fixed to be equipped with second block groove (20), and the block has pivot (21) in second block groove (20), drive gear (16) are established to cover on output shaft (13), and drive gear (16) one side corresponds to be equipped with driven gear (17), drive gear (16), driven gear (17) outer wall cover have drive belt (18), alternate in driven gear (17) have rotary rod (19), and rotary rod (19) other end block in the rotary inslot of terminal surface under ventilation network (9), driven gear (17) are established to pivot (21) and rotary rod (19) by rotary groove one end cover respectively, and two sets of driven gear (17) outer walls cover have drive belt (18) equally, the pivot (21) other end is equipped with lid (23) in isolation housing (4) up end, and lid (23) top is equipped with the nut, the nut internal screw has the screw, and screw rod top is fixed is equipped with lantern ring (24), lantern ring (24) outer wall is fixed and is equipped with brush (22).

2. The external isolation housing of a high voltage isolation switch of claim 1, wherein: the isolation shell (4) and the bottom plate (1) form a clamping structure through the first clamping groove (5), and the limiting rod (6) and the limiting groove form an elastic limiting structure through the pull plate (8), the spring (7).

3. The external isolation housing of a high voltage isolation switch of claim 1, wherein: the fan blades (14) and the isolation shell (4) form a rotating structure through the motor (12), the output shaft (13), and the inside of the isolation shell (4) forms a suction heat dissipation structure through the fan blades (14), the ventilation opening (15) and the outside of the isolation shell (4).

4. The external isolation housing of a high voltage isolation switch of claim 1, wherein: the output shaft (13) is driven by the motor (12) to form a linkage structure through the driving gear (16), the driven gear (17), the transmission belt (18) and the rotating rod (19), and the rotating rod (19) forms a linkage structure through the two groups of driven gears (17), the transmission belt (18) and the rotating shaft (21).

5. The external isolation housing of a high voltage isolation switch of claim 1, wherein: the lantern ring (24) forms a spiral locking structure with the shaft cover (23) through a screw rod, a screw cap, and the hairbrush (22) forms a movable rotating structure with the isolation shell (4) through the shaft cover (23) and the lantern ring (24).

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