CN117457435A - Outdoor totally-enclosed small high-voltage isolation load switch - Google Patents

Outdoor totally-enclosed small high-voltage isolation load switch Download PDF

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Publication number
CN117457435A
CN117457435A CN202311534218.0A CN202311534218A CN117457435A CN 117457435 A CN117457435 A CN 117457435A CN 202311534218 A CN202311534218 A CN 202311534218A CN 117457435 A CN117457435 A CN 117457435A
Authority
CN
China
Prior art keywords
fixedly connected
connecting block
groove
load switch
voltage isolation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311534218.0A
Other languages
Chinese (zh)
Inventor
熊晋树
张�成
李轶
王景熙
郑真
陆靖
蒋文彬
姚林峰
柳益民
娄国孟
俞叶青
孙玉波
娄诗纯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Yongji Electric Co ltd
State Grid Shanghai Electric Power Co Ltd
Original Assignee
Shanghai Yongji Electric Co ltd
State Grid Shanghai Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Yongji Electric Co ltd, State Grid Shanghai Electric Power Co Ltd filed Critical Shanghai Yongji Electric Co ltd
Priority to CN202311534218.0A priority Critical patent/CN117457435A/en
Publication of CN117457435A publication Critical patent/CN117457435A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02Details
    • H01H33/53Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/02Details

Landscapes

  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)

Abstract

The invention discloses an outdoor totally-enclosed small high-voltage isolation load switch, which comprises a shell and a fixed frame arranged on one side of the shell, wherein a crank arm is rotatably arranged on one side of the fixed frame, one side of the shell is provided with an opening, a baffle is fixedly connected to the opening, a cover plate is arranged at the opening of the shell, a mounting frame is fixedly connected to the cover plate, a cavity is arranged on one side, close to the shell, of the mounting frame, and a sealing strip is slidably arranged in the cavity; through the cooperation of extrusion subassembly and the drive assembly that sets up, can distribute connecting block and briquetting in the crooked department that is located the baffle in the cavity along with the rotation of chain, and then extrude the sealing strip between baffle and apron, improve the leakproofness between baffle and the apron, avoid outside dust and steam etc. to enter into inside the casing, be favorable to protecting the transmission part in the fixed frame and the electrical component in the casing.

Description

Outdoor totally-enclosed small high-voltage isolation load switch
Technical Field
The invention relates to the technical field of high-voltage isolating switches, in particular to an outdoor totally-enclosed small-sized high-voltage isolating load switch.
Background
The outdoor high-voltage isolating switch in the power system is usually installed in an open area far away from a residential area, and some outdoor isolating switches are required to be installed in a field area, so that the working environment is severe, and the outdoor high-voltage isolating switch has erosion of sand wind and rain and snow, so that the requirements on various parts in the outdoor isolating switch are high.
The invention discloses a mechanism sealing box for an outdoor high-voltage isolating switch, which comprises a switch cabinet, wherein a pair of supporting plates are fixedly connected to the bottom of the switch cabinet, a bottom plate is fixedly connected to the bottom of the supporting plates, one side of the switch cabinet is movably connected with a cabinet door, a first sealing gasket is fixedly connected to the inner wall of the cabinet door, second sealing gaskets are fixedly connected to the two sides of the inner wall of the cabinet door, the first sealing gaskets and the second sealing gaskets are of rubber gasket structures, two pairs of limiting bins are fixedly connected to the top of the switch cabinet, a movable block is arranged in the limiting bins, a first spring is fixedly connected between the bottom of the movable block and the inner wall of the bottom of the limiting bin, a vertical rod is fixedly connected to the top of the movable block, and the top end of the vertical rod penetrates through the top of the limiting bin.
Above-mentioned equipment improves the leakproofness between cabinet door and the cabinet body through installing the sealing strip on the cabinet door, but in the in-service use, owing to the cabinet door is thinner, along with the increase of cabinet door switching number of times and the increase of the whole live time of device, the outside edge of cabinet door can appear crooked condition, perhaps because cabinet door and cabinet body surface's corrosion lead to both can not stable laminating, above-mentioned two kinds of circumstances can both lead to sealing strip and cabinet door, cabinet body to paste and closely inadequately to influence the sealed effect of sealing strip, in sum up, the device still improves the place.
Therefore, it is necessary to provide an outdoor totally-enclosed small-sized high-voltage isolation load switch to solve the above technical problems.
Disclosure of Invention
The invention aims to provide an outdoor totally-enclosed small high-voltage isolation load switch, which aims to solve the problems that in the prior art, sealing performance between a cabinet door and a cabinet body is improved by installing sealing strips on the cabinet door, but in the actual use process, as the cabinet door is thinner, the outer side edge of the cabinet door possibly generates bending conditions along with the increase of the opening and closing times of the cabinet door and the increase of the whole use time of the device, or the cabinet door and the cabinet body cannot be stably attached due to corrosion of the cabinet door and the surface of the cabinet body, and the sealing strips are not tightly attached to the cabinet door and the cabinet body, so that the sealing effect of the sealing strips is affected.
Based on the thought, the invention provides the following technical scheme: the sealing device comprises a shell and a fixed frame arranged on one side of the shell, wherein a crank arm is rotatably arranged on one side of the fixed frame, one side of the shell is provided with an opening, a baffle is fixedly connected to the opening, the shell is provided with a cover plate at the opening, a mounting frame is fixedly connected to the cover plate, a cavity is formed in one side, close to the shell, of the mounting frame, and a sealing strip is slidably arranged in the cavity;
the installation frame is internally provided with a plurality of groups of extrusion assemblies, a chain is rotationally arranged in the installation frame, a driving assembly matched with the extrusion assemblies is arranged on the chain, when the driving assembly rotates along with the chain, the plurality of groups of extrusion assemblies can be synchronously driven to slide in the cavity, when the extrusion assemblies move to the bending position of the edge of the cover plate, the extrusion assemblies extrude the sealing strips outwards to enable the sealing strips to be attached to the baffle plate, and the driving assembly is staggered with the extrusion assemblies.
As a further scheme of the invention: the extrusion subassembly includes the briquetting and with briquetting elastic connection's connecting block, the briquetting sets up in the connecting block one side that is close to the sealing strip, the connecting block has been seted up the bar groove on keeping away from the terminal surface of briquetting, the equal elastic connection in bar inslot both sides has the limiting plate, fixedly connected with second stay cord between limiting plate and the briquetting, elastic connection has slide bar and fixture block on the outer peripheral face of connecting block, and the first stay cord of fixedly connected with between fixture block and the slide bar, the briquetting has been seted up the round hole on keeping away from the terminal surface of sealing strip, set up on the round hole inner wall with fixture block matched with draw-in groove.
As a further scheme of the invention: the outer peripheral surface of the connecting block is fixedly connected with a protrusion, and the protrusion and the sliding rod are symmetrically arranged relative to the connecting block.
As a further scheme of the invention: the driving assembly comprises a bump and a connecting column fixedly connected with the bump.
As a further scheme of the invention: the cavity is internally provided with a plurality of chain wheels in a rotating way, a round shaft is fixedly arranged on the chain wheels, the round shaft is rotationally connected with the mounting frame, and the chain is sleeved on the outer sides of the plurality of chain wheels.
As a further scheme of the invention: fixedly connected with guide post on the lateral surface of limiting plate, all offered on the bar groove both sides wall with guide post matched with guide slot, the guide post slides and sets up in the guide slot, and the outside cover of guide post is equipped with the third spring, the both ends of third spring respectively with limiting plate and bar groove's lateral wall fixed connection.
As a further scheme of the invention: the baffle is arranged in a shape like a Chinese character 'Hui'.
As a further scheme of the invention: the connecting block is characterized in that a first groove is formed in the outer peripheral surface of the connecting block, the sliding rod is arranged in the first groove in a sliding mode, a first spring is arranged in the first groove, and two ends of the first spring are fixedly connected with the sliding rod and one surface, opposite to the first groove, of the sliding rod respectively.
As a further scheme of the invention: the second groove is formed in the outer peripheral surface of the connecting block, the clamping block is arranged in the second groove in a sliding mode, the second spring is arranged in the second groove, and two ends of the second spring are fixedly connected with the clamping block and one surface, opposite to the second groove, of the clamping block respectively.
The round hole is internally provided with a supporting spring, and two ends of the supporting spring are fixedly connected with the connecting block and one surface opposite to the round hole respectively.
Compared with the prior art, the invention has the beneficial effects that: this device is through the cooperation of extrusion subassembly and the drive assembly that sets up, can distribute connecting block and briquetting in the crooked department that is located the baffle in the cavity along with the rotation of chain, and then extrudees the sealing strip between baffle and apron, improves the leakproofness between baffle and the apron, avoids outside dust and steam etc. to enter into inside the casing, is favorable to protecting the transmission part in the fixed frame and the electrical component in the casing.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the baffle, cover plate and mounting frame of the present invention;
FIG. 3 is a schematic view of the mounting frame and sealing strip structure of the present invention;
FIG. 4 is a schematic view of the structure of the protrusion and the slide bar of the present invention;
FIG. 5 is a briquette distribution diagram of the invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 2A in accordance with the present invention;
FIG. 7 is a schematic view of the chain and sprocket construction of the present invention;
FIG. 8 is a schematic view of a first pull cord construction of the present invention;
FIG. 9 is a schematic diagram of a second pull cord construction of the present invention;
FIG. 10 is a schematic view of a bump and post structure according to the present invention;
FIG. 11 is an enlarged schematic view of the structure of FIG. 5B in accordance with the present invention;
fig. 12 is an enlarged schematic view of the structure of fig. 7 at C in accordance with the present invention.
In the figure: 1. a housing; 2. a crank arm; 3. a fixed frame; 4. a cover plate; 5. a mounting frame; 6. a rotating shaft; 7. a sealing strip; 8. briquetting; 9. a protrusion; 10. a connecting block; 11. a slide bar; 12. a limiting plate; 13. a fan blade; 14. a vertical plate; 15. a vertical axis; 16. a connecting column; 17. a sprocket; 18. a chain; 19. a support spring; 20. a guide post; 21. a first pull rope; 22. a clamping block; 23. a second pull rope; 24. a bump; 25. a baffle; 26. a clamping groove.
Detailed Description
As shown in fig. 1-3, an outdoor totally-enclosed small-size high-voltage isolation load switch, including casing 1 and set up in fixed frame 3 of casing 1 one side, fixed frame 3 can be connected with casing 1 through the welded mode, one side rotation of fixed frame 3 is provided with turning arm 2 for closing and opening a floodgate, casing 1 one side is the open state, and the opening part seals through apron 4 to avoid outside steam etc. to get into inside casing 1, of course, the inside specific electrical components of casing 1 and through turning arm 2 control opening a floodgate, the structure of closing a floodgate are ripe technical means, and the details are omitted here.
In order to improve the leakproofness between apron 4 and the casing 1, the opening part fixedly connected with baffle 25 at casing 1, baffle 25 is "back" word form setting, set up the ring channel that runs through on the apron 4, ring channel department fixedly connected with installing frame 5, one side that installing frame 5 is close to casing 1 sets up to the cavity, and the terminal surface that installing frame 5 is close to casing 1 side parallels with the side that apron 4 is close to casing 1, slides in the cavity inside and is provided with sealing strip 7, when being fixed in casing 1 side with apron 4 through the screw, sealing strip 7 then arranges between apron 4 and the baffle 25 in being favorable to avoiding outside dust or steam etc. to enter into inside casing 1.
However, in the practical use process, we find that, due to the fact that the cover plate 4 is thinner, along with the increase of the disassembly times of the cover plate 4 and the increase of the overall use time of the device, the outer side edge of the cover plate 4 is bent, or due to the fact that the sealing strip 7 is not tightly attached to the baffle 25 due to corrosion on the surfaces of the cover plate 4 and the shell 1, in order to solve the problem, a plurality of groups of extrusion assemblies are arranged in the mounting frame 5, the extrusion assemblies are arranged on the inner side of the sealing strip 7, the mounting frame 5 is further rotatably provided with the chain 18, the chain 18 is provided with a driving assembly matched with the extrusion assemblies, when the chain 18 rotates, the driving assembly can be synchronously driven to move, the plurality of groups of extrusion assemblies can be driven to move by the driving assembly, when the extrusion assemblies move to the bending part of the edge of the cover plate 4, the sealing strip 7 is extruded outwards to be attached to the baffle 25, in the process, the driving assembly is staggered with the extrusion assemblies, the driving assembly can drive the driving assembly to pass over the extrusion assemblies, the extrusion assemblies can be arranged on the inner side of the edge of the sealing strip 7 one by one, and the bending part of the edge of the cover plate 4 can be kept in a state of being favorable for attaching to the sealing strip 7 to be attached to the bending state.
As shown in fig. 2-5 and 7-12, the extrusion assembly comprises a pressing block 8 and a connecting block 10 elastically connected with the pressing block 8, the pressing block 8 is arranged on one side, close to the sealing strip 7, of the connecting block 10, a strip-shaped groove is formed in the end face, far away from the pressing block 8, of the connecting block 10, a chain 18 can pass through the strip-shaped groove, limiting plates 12 are elastically connected to two sides inside the strip-shaped groove, a second pull rope 23 is fixedly connected between the limiting plates 12 and the pressing block 8, the second pull rope 23 passes through the connecting block 10 and is in sliding connection with the limiting plates, and when the pressing block 8 is ejected out, the second pull rope 23 can be pulled, so that the limiting plates 12 are driven to move in a direction far away from the chain 18 through the second pull rope 23, and a driving assembly on the chain 18 can pass through between the two limiting plates 12.
Further, the outer peripheral surface of the connecting block 10 is elastically connected with the sliding rod 11 and the clamping block 22, the clamping block 22 and the sliding rod 11 are located on the same plane, a first pull rope 21 is fixedly connected between the clamping block 22 and the sliding rod 11, the first pull rope 21 penetrates through the connecting block 10 and is in sliding connection with the connecting block, specifically, a round hole is formed in the end surface of the pressing block 8 far away from the sealing strip 7, one end of the connecting block 10 extends into the round hole and is in sliding connection with the pressing block 8, a supporting spring 19 is arranged in the round hole, two ends of the supporting spring 19 are respectively fixedly connected with the connecting block 10 and one surface opposite to the round hole, a clamping groove 26 matched with the clamping block 22 is formed in the inner wall of the round hole, and when the clamping block 22 is ejected out and inserted into the clamping groove 26, the connecting block 10 is connected with the pressing block 8.
One end of the second pull rope 23 is fixedly connected with the outer side face of the limiting plate 12, and the other end of the second pull rope 23 is fixedly connected with the end face of the round hole.
The outer peripheral surface of the connecting block 10 is fixedly connected with a protrusion 9, and the protrusion 9 and the sliding rod 11 are symmetrically arranged about the connecting block 10.
The driving assembly includes a bump 24 and a connection post 16 fixedly connected with the bump 24, the connection post 16 is mounted on the chain 18, specifically, the chain 18 is composed of chain links and a pin shaft mounted between the two chain links, the connection post 16 may be directly fixedly connected with the pin shaft, or of course, a fixture may be fixedly arranged on the pin shaft in advance, so that the connection shaft is fixed with the fixture, and mounting a rigid member on the chain 18 is a mature technical means in the mechanical field, which is not repeated herein.
In actual use, the convex blocks 24 are driven to move in the cavities of the mounting frame 5 by the chains 18, in an initial state, the sliding rods 11 on the plurality of connecting blocks 10 uniformly face the convex blocks 24 on the chains 18, and the plurality of connecting blocks 10 are mutually close, so that the sliding rods 11 are contacted with the adjacent convex blocks 9 and extruded, and the sliding rods 11 are contained in the connecting blocks 10, when the convex blocks 24 move to the first connecting block 10, the convex blocks 24 can be contacted with the limiting plates 12 due to the limitation of the limiting plates 12, and at the moment, the pressure of the convex blocks 24 on the limiting plates 12 can drive the plurality of connecting blocks 10 and the pressing blocks 8 to move in the cavities;
since the plurality of connection blocks 10 are mutually close to each other so that the protrusions 9 and the slide bars 11 are mutually pressed so that the slide bars 11 are received inside the connection blocks 10, as shown in fig. 8, when the slide bars 11 are received inside the connection blocks 10, the first pulling rope 21 is released so that the clamping blocks 22 can be ejected and inserted into the clamping grooves 26 so as to connect the connection blocks 10 and the clamping blocks 8 to each other, and the connection blocks 10 at the first position, i.e., the position close to the protrusions 24 on the chain 18, are in the state of being ejected outwards due to the fact that the slide bars 11 thereon are not limited, at this time, the clamping blocks 22 are separated from the clamping grooves 26 by the pulling force of the first pulling rope 21 on the clamping blocks 22 so that the clamping blocks 8 at the first position can move relative to the connection blocks 10, therefore, when the plurality of groups of pressing assemblies are moved to the bending positions of the outer side edges of the baffle plates 25, only the clamping blocks 8 close to the protrusions 24 can be ejected towards the direction of the sealing strip 7 and exert a certain pressure on the sealing strip 7, the sealing strip 7 is in favor of being tightly attached to the baffle 25, when the pressing block 8 is ejected outwards, the limiting plates 12 can be pulled through the second pull rope 23, so that the two limiting plates 12 are driven to move away from each other, at the moment, the lug 24 on the chain 18 can pass through between the two limiting plates 12 and reach the position of the second connecting block 10, when the lug 24 moves to the position of the second connecting block 10 along with the chain 18, the lug 24 can be blocked by the limiting plates 12, at the moment, the lug 24 can drive the rest extrusion components to move in the cavity, during the process, the connecting block 10 originally in the second position is matched with the lug 24, at the moment, the sliding rod 11 on the connecting block 10 is not limited, can be ejected outwards relative to the connecting block 10, so that the clamping block 22 is moved out of the clamping groove 26 through the first pull rope 21, similarly, when the plurality of groups of extrusion assemblies move to the position of the next bending of the baffle 25, the pressing blocks 8 adjacent to the protruding blocks 24 will pop up and extrude the sealing strip 7, so that the sealing strip 7 is stably attached to the baffle 25, and the repeated operation is beneficial to distributing the plurality of groups of extrusion assemblies at the bending position of the baffle 25 and to stably arranging the sealing strip 7 between the baffle 25 and the cover plate 4.
One side of the connecting block 10 far away from the pressing block 8 is contacted with the end face of the cavity and extruded, so that the connecting block 10 can receive certain resistance in the sliding process in the cavity, when the extrusion component meets the connecting block 10 in the cavity along with the movement of the chain 18, the sliding rod 11 on the connecting block 10 can be extruded, the sliding rod 11 is stored in the connecting block 10, and the connecting block 10 is driven to synchronously move in the cavity.
To sum up, this device can distribute connecting block 10 and briquetting 8 along with the rotation of chain 18 in the crooked department that is located baffle 25 in the cavity through the cooperation of extrusion subassembly and the drive assembly that sets up, and then extrudees sealing strip 7 between baffle 25 and apron 4, improves the leakproofness between baffle 25 and the apron 4, avoids outside dust and steam etc. to get into inside casing 1, is favorable to protecting the transmission part in the fixed frame 3 and the electrical components in casing 1.
As shown in fig. 1-2 and 6-7, a plurality of chain wheels 17 are rotatably arranged in the cavity, a round shaft is fixedly arranged on the chain wheels 17 and is rotatably connected with the mounting frame 5, and the chain 18 is sleeved outside the plurality of chain wheels 17.
In order to drive the sprocket 17 to rotate, one of the circular shafts passes through the mounting frame 5, a driven gear is fixedly sleeved at one end of the circular shaft passing through the mounting frame 5, a rotating shaft 6 is rotatably arranged at the top of the shell 1, a driving gear meshed with the driven gear is fixedly sleeved outside the rotating shaft 6, the sprocket 17 is driven to rotate in a gear meshing mode, and then the chain 18 is driven to rotate.
The top of the shell 1 is fixedly connected with a base, and the rotating shaft 6 penetrates through the base and is rotationally connected with the base.
In order to drive the rotating shaft 6 to rotate in the first embodiment, a motor may be fixedly installed on the top of the housing 1, and an output shaft of the motor is in transmission connection with the rotating shaft 6.
As a second embodiment for driving the rotating shaft 6 to rotate, a vertical shaft 15 may be rotatably disposed at the top of the housing 1, a first bevel gear is fixedly sleeved on the outer side of the vertical shaft 15, a second bevel gear meshed with the first bevel gear is fixedly connected to one side of the rotating shaft 6 near the vertical shaft 15, a driving shaft is disposed on one side of the top of the vertical shaft 15, a third bevel gear is fixedly sleeved on one end of the driving shaft near the vertical shaft 15, a fourth bevel gear meshed with the third bevel gear is fixedly disposed at the top end of the vertical shaft 15, and fan blades 13 are fixedly mounted on the outer peripheral surface of the driving shaft; the top of casing 1 rotates and is provided with the base, the top fixedly connected with riser 14 of base, the drive shaft passes riser 14 and rotates rather than being connected, and during the in-service use, drives flabellum 13 through outside wind-force and rotates to drive pivot 6 through the meshing of third bevel gear and fourth bevel gear, the meshing of first bevel gear and second bevel gear.
As shown in fig. 8-9, a first groove is formed on the outer peripheral surface of the connecting block 10, the sliding rod 11 is slidably disposed in the first groove, a first spring is disposed in the first groove, and two ends of the first spring are fixedly connected with the sliding rod 11 and one surface opposite to the first groove respectively.
The outer peripheral surface of the connecting block 10 is provided with a second groove, the clamping block 22 is slidably arranged in the second groove, a second spring is arranged in the second groove, and two ends of the second spring are fixedly connected with the clamping block 22 and one surface opposite to the second groove respectively.
The guide post 20 is fixedly connected to the outer side surface of the limiting plate 12, guide grooves matched with the guide post 20 are formed in the two side walls of the strip-shaped groove, the guide post 20 is arranged in the guide grooves in a sliding mode, a third spring is sleeved on the outer side of the guide post 20, and two ends of the third spring are fixedly connected with the limiting plate 12 and the side walls of the strip-shaped groove respectively.

Claims (10)

1. The utility model provides an outdoor totally closed small-size high voltage isolation load switch, includes the casing and sets up in the fixed frame of casing one side, and one side rotation of fixed frame is provided with the turning arm, casing one side sets up to the opening, and opening part fixedly connected with baffle, its characterized in that: the shell is provided with a cover plate at the opening, the cover plate is fixedly connected with a mounting frame, one side of the mounting frame, which is close to the shell, is provided with a cavity, and a sealing strip is arranged in the cavity in a sliding manner;
the installation frame is internally provided with a plurality of groups of extrusion assemblies, a chain is rotationally arranged in the installation frame, a driving assembly matched with the extrusion assemblies is arranged on the chain, when the driving assembly rotates along with the chain, the plurality of groups of extrusion assemblies can be synchronously driven to slide in the cavity, when the extrusion assemblies move to the bending position of the edge of the cover plate, the extrusion assemblies extrude the sealing strips outwards to enable the sealing strips to be attached to the baffle plate, and the driving assembly is staggered with the extrusion assemblies.
2. An outdoor fully enclosed miniature high voltage isolation load switch as claimed in claim 1 wherein: the extrusion subassembly includes the briquetting and with briquetting elastic connection's connecting block, the briquetting sets up in the connecting block one side that is close to the sealing strip, the connecting block has been seted up the bar groove on keeping away from the terminal surface of briquetting, the equal elastic connection in bar inslot both sides has the limiting plate, fixedly connected with second stay cord between limiting plate and the briquetting, elastic connection has slide bar and fixture block on the outer peripheral face of connecting block, and the first stay cord of fixedly connected with between fixture block and the slide bar, the briquetting has been seted up the round hole on keeping away from the terminal surface of sealing strip, set up on the round hole inner wall with fixture block matched with draw-in groove.
3. An outdoor fully enclosed miniature high voltage isolation load switch as claimed in claim 2 wherein: the outer peripheral surface of the connecting block is fixedly connected with a protrusion, and the protrusion and the sliding rod are symmetrically arranged relative to the connecting block.
4. An outdoor totally enclosed low voltage load switch according to claim 3 wherein: the driving assembly comprises a bump and a connecting column fixedly connected with the bump.
5. An outdoor fully enclosed miniature high voltage isolation load switch as claimed in claim 1 wherein: the cavity is internally provided with a plurality of chain wheels in a rotating way, a round shaft is fixedly arranged on the chain wheels, the round shaft is rotationally connected with the mounting frame, and the chain is sleeved on the outer sides of the plurality of chain wheels.
6. An outdoor fully enclosed miniature high voltage isolation load switch as claimed in claim 2 wherein: fixedly connected with guide post on the lateral surface of limiting plate, all offered on the bar groove both sides wall with guide post matched with guide slot, the guide post slides and sets up in the guide slot, and the outside cover of guide post is equipped with the third spring, the both ends of third spring respectively with limiting plate and bar groove's lateral wall fixed connection.
7. An outdoor fully enclosed miniature high voltage isolation load switch as claimed in claim 1 wherein: the baffle is arranged in a shape like a Chinese character 'Hui'.
8. An outdoor fully enclosed miniature high voltage isolation load switch as claimed in claim 2 wherein: the connecting block is characterized in that a first groove is formed in the outer peripheral surface of the connecting block, the sliding rod is arranged in the first groove in a sliding mode, a first spring is arranged in the first groove, and two ends of the first spring are fixedly connected with the sliding rod and one surface, opposite to the first groove, of the sliding rod respectively.
9. An outdoor fully enclosed miniature high voltage isolation load switch as claimed in claim 2 wherein: the second groove is formed in the outer peripheral surface of the connecting block, the clamping block is arranged in the second groove in a sliding mode, the second spring is arranged in the second groove, and two ends of the second spring are fixedly connected with the clamping block and one surface, opposite to the second groove, of the clamping block respectively.
10. An outdoor fully enclosed miniature high voltage isolation load switch as claimed in claim 2 wherein: the round hole is internally provided with a supporting spring, and two ends of the supporting spring are fixedly connected with the connecting block and one surface opposite to the round hole respectively.
CN202311534218.0A 2023-11-17 2023-11-17 Outdoor totally-enclosed small high-voltage isolation load switch Pending CN117457435A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311534218.0A CN117457435A (en) 2023-11-17 2023-11-17 Outdoor totally-enclosed small high-voltage isolation load switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311534218.0A CN117457435A (en) 2023-11-17 2023-11-17 Outdoor totally-enclosed small high-voltage isolation load switch

Publications (1)

Publication Number Publication Date
CN117457435A true CN117457435A (en) 2024-01-26

Family

ID=89583544

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311534218.0A Pending CN117457435A (en) 2023-11-17 2023-11-17 Outdoor totally-enclosed small high-voltage isolation load switch

Country Status (1)

Country Link
CN (1) CN117457435A (en)

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