CN211980488U - Pole-mounted circuit breaker with built-in isolating switch - Google Patents
Pole-mounted circuit breaker with built-in isolating switch Download PDFInfo
- Publication number
- CN211980488U CN211980488U CN202020440930.XU CN202020440930U CN211980488U CN 211980488 U CN211980488 U CN 211980488U CN 202020440930 U CN202020440930 U CN 202020440930U CN 211980488 U CN211980488 U CN 211980488U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- pull rod
- built
- box body
- insulating pull
- 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.)
- Active
Links
Images
Landscapes
- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model relates to a high-voltage distribution equipment technical field just discloses a circuit breaker on post of built-in isolator in area, including the main tank body, the top surface fixed mounting of main tank body has the sleeve pipe, sheathed tube side fixedly connected with adapter sleeve, the left side fixed mounting of adapter sleeve has current transformer, current transformer's left side fixedly connected with fixed contact. This circuit breaker on post with built-in isolator, through with insulator and current transformer built-in assisting the box, and utilize insulating pull rod to connect the bottom surface of isolation blade, insulating pull rod passes and assists the box and extends to the lower part, and cup joint the seal cover of connection on assisting the box bottom surface at insulating pull rod surface, the threaded sleeve of rethread connection on insulating pull rod bottom surface cup joints with the seal cover screw thread, make the gap of insulating pull rod and assistance box junction further sealed by the seal cover, increase the gap route, change the gap direction, improve the leakproofness, built-in isolator is sealed effectual.
Description
Technical Field
The utility model relates to a high voltage distribution equipment technical field specifically is a circuit breaker on post of built-in isolator in area.
Background
The construction of intelligent distribution network is constantly being strengthened in the whole society, improves urban distribution network's reliability and power supply quality comprehensively, and outdoor isolator uses with the cooperation of on-column circuit breaker to become the electrical equipment of the widest range of application among the electric power system, and urban distribution construction requires that the conductor can not expose, and the wire is the sheathed wire, and the on-column switch adopts the cable to be qualified for the next round of competitions.
The circuit breaker on post of built-in isolator in area now utilizes and assists the box with isolator built-in the case is assisted, avoids isolator to expose externally, and built-in isolator still need be connected with external action bars, carries out manual control and cuts off, and the action bars of moving about make to assist the box sealed effect poor, still have partial steam to get into in the assistance box, cause unexpected trouble to take place, and the result of use is not good.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a circuit breaker on post of built-in isolator possesses the sealed effect of improvement isolator and possesses explosion-proof advantage, has solved the problem mentioned in the above-mentioned background art.
The utility model provides a following technical scheme: a pole-mounted circuit breaker with a built-in isolating switch comprises a main box body, wherein a sleeve is fixedly mounted on the top surface of the main box body, a connecting sleeve is fixedly connected to the side surface of the sleeve, a current transformer is fixedly mounted on the left side of the connecting sleeve, a fixed contact piece is fixedly connected to the left side of the current transformer, an auxiliary box body is fixedly mounted on the top surface of the main box body, an insulator is fixedly mounted inside the auxiliary box body, an isolating blade is movably sleeved at the top end of the insulator, the right end of the isolating blade is movably clamped with the fixed contact piece, a fixing sleeve is fixedly connected to the bottom surface of the isolating blade, an insulating pull rod is movably clamped inside the fixing sleeve, the lower end of the insulating pull rod penetrates through the auxiliary box body and extends to the lower part of the auxiliary box body, a thread sleeve is fixedly connected to the, the threaded sleeve is in threaded sleeve connection with the outer surface of the sealing sleeve, and the side face of the main box body is fixedly connected with a transverse plate located on the bottom face of the auxiliary box body.
Preferably, the top surface fixedly connected with backup pad of insulator, the medial surface fixedly connected with pivot of backup pad, the round hole has been seted up on the left side of keeping apart the blade, the round hole cup joints with the pivot activity.
Preferably, a clamping groove is formed in the fixed sleeve, a rotating plate is movably clamped in the clamping groove, the bottom surface of the rotating plate is fixedly connected with the insulating pull rod, and the outer surface of the insulating pull rod is in threaded sleeve connection with the auxiliary box body.
Preferably, the sealing plug is movably sleeved on the top surface of the auxiliary box body, the top surface and the bottom surface of the sealing plug are respectively and fixedly connected with an upper clamping plate and a lower clamping plate, the top surface of the lower clamping plate and the top surface of the inner cavity of the auxiliary box body are fixedly connected with a spring, and the spring is movably sleeved on the outer side surface of the sealing plug.
Preferably, the inside of the sealing plug is provided with an air hole, the track of the air hole is in a 'C' shape, and two ends of the air hole penetrate through the right side face of the sealing plug.
Compared with the prior art, the utility model discloses possess following beneficial effect:
1. this circuit breaker on post with built-in isolator, through with insulator and current transformer built-in assisting the box, and utilize insulating pull rod to connect the bottom surface of isolation blade, insulating pull rod passes and assists the box and extends to the lower part, and cup joint the seal cover of connection on assisting the box bottom surface at insulating pull rod surface, the threaded sleeve of rethread connection on insulating pull rod bottom surface cup joints with the seal cover screw thread, make the gap of insulating pull rod and assistance box junction further sealed by the seal cover, increase the gap route, change the gap direction, improve the leakproofness, built-in isolator is sealed effectual.
2. This circuit breaker on post with built-in isolator cup joints the sealing plug through deciding the activity at the auxiliary box body and cup jointing, utilizes the spring to connect the sealing plug with the auxiliary box body to set up "C" shape gas pocket inside the sealing plug, when assisting the incasement and producing the electric arc that opens circuit and when producing high temperature gas, effectively avoid the inflation gas explosion to assist the box, compressible spring realizes the gas pocket pressure release, improves the explosion-proof ability of assisting the box body.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the structure of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is an enlarged view of the structure at B in FIG. 2;
FIG. 5 is an enlarged view of the structure at C in FIG. 2;
fig. 6 is an explosion diagram between the structural insulator and the isolation blade of the present invention.
In the figure: 1. a main box body; 2. a sleeve; 3. connecting sleeves; 4. a current transformer; 5. a fixed contact piece; 6. An auxiliary box body; 7. an insulator; 8. isolating the blade; 9. fixing a sleeve; 10. an insulating pull rod; 11. sealing sleeves; 12. a threaded sleeve; 13. a rotating shaft; 14. a circular hole; 15. a card slot; 16. a rotating plate; 17. a sealing plug; 18. an upper clamping plate; 19. a lower clamping plate; 20. a spring; 21. air holes; 22. a support plate; 23. a transverse plate.
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.
Referring to fig. 1-6, a pole-mounted circuit breaker with built-in isolating switch comprises a main box body 1, a sleeve 2 is fixedly installed on the top surface of the main box body 1, a connecting sleeve 3 is fixedly connected to the side surface of the sleeve 2, a current transformer 4 is fixedly installed on the left side of the connecting sleeve 3, a fixed contact 5 is fixedly connected to the left side of the current transformer 4, an auxiliary box body 6 is fixedly installed on the top surface of the main box body 1, an insulator 7 is fixedly installed inside the auxiliary box body 6, an isolating blade 8 is movably sleeved on the top end of the insulator 7, the right end of the isolating blade 8 is movably clamped with the fixed contact 5, a fixing sleeve 9 is fixedly connected to the bottom surface of the isolating blade 8, an insulating pull rod 10 is movably clamped inside the fixing sleeve 9, the lower end of the insulating pull rod 10 penetrates through the auxiliary box body 6 and extends to the lower part of the auxiliary box body 6 and is fixedly connected with, the threaded sleeve 12 is in threaded sleeve connection with the outer surface of the sealing sleeve 11, and the lateral surface of the main box body 1 is fixedly connected with a transverse plate 23 positioned on the bottom surface of the auxiliary box body 6.
Wherein, the top surface fixedly connected with backup pad 22 of insulator 7, the medial surface fixedly connected with pivot 13 of backup pad 22, round hole 14 has been seted up on the left side of keeping apart blade 8, and round hole 14 cup joints with the pivot 13 activity, and backup pad 22 and pivot 13 are the electrically conductive material of metal for keep apart blade 8 and rotate round pivot 13 when can the switch-on electrically conductive, and backup pad 22 bottom is located the inside of insulator 7 and with the switch-on of outside electric wire.
Wherein, draw-in groove 15 has been seted up to the inside of fixed cover 9, and the inside activity joint of draw-in groove 15 has rotor plate 16, and the bottom surface and the insulating pull rod 10 fixed connection of rotor plate 16, the surface of insulating pull rod 10 with assist 6 threaded sleeve joints of box for can not drive when insulating pull rod 10 rotates and keep apart blade 8 and rotate, only realize keeping apart the downward pulling of blade 8, realize cutting off.
Wherein, the sealing plug 17 has been cup jointed in the top surface activity of assisting box 6, cardboard 18 and lower cardboard 19 are gone up to the top surface of sealing plug 17 and bottom surface difference fixedly connected with, the top surface of lower cardboard 19 and the top surface fixedly connected with spring 20 of assisting the 6 inner chambers of box, the lateral surface at sealing plug 17 is cup jointed in the activity of spring 20 for spring 20 drives sealing plug 17 and moves up when compressing, and then realizes the pressure release operation, it has sealed effect to go up cardboard 18 and improves the effect that box 6 is assisted in waterproof entering.
Wherein, the inside of sealing plug 17 is seted up there is the gas pocket 21, and the orbit of gas pocket 21 is "C" shape, and the right flank of sealing plug 17 is all passed at the both ends of gas pocket 21, and when the last port of gas pocket 21 and outside air intercommunication, can realize will assisting the inside air release of box 6, and then realize explosion-proof pressure release.
The working principle is as follows: when the isolating switch is switched off, the insulating pull rod 10 is rotated downwards, so that the top of the insulating pull rod 10 rotates in the fixed sleeve 9, the isolating blade 8 is pulled to rotate downwards around the rotating shaft 13, the insulating pull rod 10 is rotated downwards to drive the threaded sleeve 12 to rotate downwards along the thread on the outer surface of the sealing sleeve 11, and the threaded sleeve 12 is rotated upwards when the isolating switch is required to be switched on; when the isolating switch is switched off, electric arcs are generated, the temperature of air in the auxiliary box body 6 rises and collides, the lower clamping plate 19 is driven to compress the spring 20, the sealing plug 17 moves upwards, and the upper part of the air hole 21 extends out of the top surface of the auxiliary box body 6 to discharge air.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a circuit breaker on post of built-in isolator in area, includes main tank body (1), its characterized in that: the top surface fixed mounting of the main box body (1) has sleeve pipe (2), the side fixedly connected with adapter sleeve (3) of sleeve pipe (2), the left side fixed mounting of adapter sleeve (3) has current transformer (4), the left side fixedly connected with fixed contact (5) of current transformer (4), the top surface fixed mounting of main box body (1) has auxiliary box body (6), the inside fixed mounting of auxiliary box body (6) has insulator (7), isolation blade (8) have been cup jointed in the top activity of insulator (7), the right-hand member and fixed contact (5) activity joint of isolation blade (8), the fixed cover (9) of bottom surface fixedly connected with of isolation blade (8), the inside activity joint of fixed cover (9) has insulating pull rod (10), the lower extreme of insulating pull rod (10) passes auxiliary box body (6) and extends to the lower part and the fixedly connected with thread bush (12) of auxiliary box body (6), the bottom surface of the auxiliary box body (6) is fixedly connected with a sealing sleeve (11) located on the outer side of the insulating pull rod (10), a threaded sleeve (12) is in threaded sleeve connection with the outer surface of the sealing sleeve (11), and a transverse plate (23) located on the bottom surface of the auxiliary box body (6) is fixedly connected to the side surface of the main box body (1).
2. The pole-mounted circuit breaker with the built-in isolating switch of claim 1, wherein: the top surface fixedly connected with backup pad (22) of insulator (7), medial surface fixedly connected with pivot (13) of backup pad (22), round hole (14) have been seted up to the left side of keeping apart blade (8), round hole (14) and pivot (13) activity cup joint.
3. The pole-mounted circuit breaker with the built-in isolating switch of claim 1, wherein: draw-in groove (15) have been seted up to the inside of fixed cover (9), the inside activity joint of draw-in groove (15) has rotor plate (16), the bottom surface and insulating pull rod (10) fixed connection of rotor plate (16), the surface and the supplementary box (6) threaded socket of insulating pull rod (10).
4. The pole-mounted circuit breaker with the built-in isolating switch of claim 1, wherein: sealing plug (17) has been cup jointed in the top surface activity of assisting box (6), cardboard (18) and lower cardboard (19) are gone up to the top surface and the bottom surface fixedly connected with respectively of sealing plug (17), the top surface of lower cardboard (19) and the top surface fixedly connected with spring (20) of assisting box (6) inner chamber, spring (20) activity is cup jointed at the lateral surface of sealing plug (17).
5. The pole-mounted circuit breaker with built-in isolating switch of claim 4, characterized in that: an air hole (21) is formed in the sealing plug (17), the track of the air hole (21) is C-shaped, and two ends of the air hole (21) penetrate through the right side face of the sealing plug (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020440930.XU CN211980488U (en) | 2020-03-30 | 2020-03-30 | Pole-mounted circuit breaker with built-in isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020440930.XU CN211980488U (en) | 2020-03-30 | 2020-03-30 | Pole-mounted circuit breaker with built-in isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211980488U true CN211980488U (en) | 2020-11-20 |
Family
ID=73383831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020440930.XU Active CN211980488U (en) | 2020-03-30 | 2020-03-30 | Pole-mounted circuit breaker with built-in isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211980488U (en) |
-
2020
- 2020-03-30 CN CN202020440930.XU patent/CN211980488U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206595185U (en) | A kind of gas-insulated switchgear breaker | |
| CN102447228A (en) | High-pressure large-current dry compressed air insulated metal closed switch equipment | |
| WO2019006814A1 (en) | Functional module for implementing extension of gis busbar with no power outage and extension method | |
| CN211980488U (en) | Pole-mounted circuit breaker with built-in isolating switch | |
| CN114725821B (en) | Insulated switch cabinet | |
| CN109950825A (en) | A kind of Cubicle Gas-Insulated Switchgear of gas tank structure up and down | |
| CN202434941U (en) | High-voltage and high-current insulating metal closed switch equipment using dry compressed air | |
| CN109962426A (en) | A kind of Cubicle Gas-Insulated Switchgear | |
| CN212848260U (en) | Circuit breaker shell with insulation function | |
| CN205282976U (en) | Aerify cabinet and gu seal utmost point post thereof | |
| CN210325487U (en) | High-voltage bushing for oil-immersed transformer | |
| CN209748042U (en) | Gas-insulated metal-enclosed switchgear with upper and lower gas box structures | |
| CN210156728U (en) | Quick power supply and taking connecting device with load disconnecting link | |
| CN113013775A (en) | Double-air-chamber high-voltage switch air box | |
| CN102789924A (en) | Intelligent outdoor on-pole vacuum circuit breaker | |
| CN214378892U (en) | Electrical engineering earthing device | |
| CN212303525U (en) | GIS is with keeping apart and withstand voltage equipment | |
| CN215377968U (en) | High voltage distribution cabinet lightning protection structure | |
| CN210536028U (en) | Solid insulation full-sealing structure for ring main unit | |
| CN205452210U (en) | 10KV aerifys looped netowrk cabinet killer switch | |
| CN217881308U (en) | Three-station high-voltage alternating-current vacuum circuit breaker | |
| CN218414389U (en) | Switch capable of manually adjusting low-voltage load | |
| CN215645825U (en) | Double-air-chamber high-voltage switch air box | |
| CN219267539U (en) | Outdoor high-voltage alternating current vacuum circuit breaker of secondary integration | |
| CN211743874U (en) | Novel bus isolation air chamber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |