CN213936042U - Vacuum circuit breaker convenient to dismouting - Google Patents
Vacuum circuit breaker convenient to dismouting Download PDFInfo
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- CN213936042U CN213936042U CN202120292947.XU CN202120292947U CN213936042U CN 213936042 U CN213936042 U CN 213936042U CN 202120292947 U CN202120292947 U CN 202120292947U CN 213936042 U CN213936042 U CN 213936042U
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- circuit breaker
- connecting portion
- vacuum circuit
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Abstract
The utility model provides a vacuum circuit breaker convenient to dismouting, including the circuit breaker body, the rear side of circuit breaker body is provided with the connecting pipe, the tip of connecting pipe is provided with pipy connecting portion, the spread groove has been seted up to the outer end of connecting portion, the tank bottom of spread groove has the rubber ring through spring mounting, connecting portion link to each other with external pipe through external portion, connecting portion with the external portion outside is provided with fixed buckle. By adopting the technical scheme, the beneficial effects of the utility model are that: the utility model discloses a cooperation of external portion and connecting portion can combine together to fix it through the fixed pin, utilize fixed buckle to strengthen the sealed of connecting portion and external portion simultaneously, not only combine firmly, it is effectual sealed moreover, can prevent effectively that external water source from permeating inside the connecting pipe.
Description
Technical Field
The utility model belongs to the technical field of the vacuum circuit breaker technique and specifically relates to a vacuum circuit breaker convenient to dismouting is related to.
Background
The vacuum circuit breaker is named because the arc extinguishing medium and the insulating medium of the contact gap after arc extinguishing are both high vacuum; the arc extinguishing device has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinguishing, and is relatively popularized in power distribution networks. The vacuum circuit breaker is an indoor power distribution device in a 3-10 kV and 50Hz three-phase alternating-current system, can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and transformer substations, is particularly suitable for use places requiring no oil, less maintenance and frequent operation, and can be arranged in a middle cabinet, a double-layer cabinet and a fixed cabinet to be used for controlling and protecting high-voltage electrical equipment.
Most of the existing vacuum circuit breakers are connected with an external pipeline through a connecting pipe when connected with a power grid, but the traditional connection mode is simple, the connection is not firm, the sealing is not tight, water is easily leaked inwards, and the problems of circuit breaking and the like are caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a vacuum circuit breaker convenient to dismouting to it is continuous with external pipeline mostly through the connecting pipe when solving current vacuum circuit breaker who proposes in the above-mentioned background art and electric wire netting and linking up, but traditional connected mode is comparatively simple, not only connect insecurely, and is sealed not tight moreover, and easy inward infiltration causes the circuit to open circuit scheduling problem.
The technical scheme of the utility model is realized like this:
the utility model provides a vacuum circuit breaker convenient to dismouting, includes the circuit breaker body, the rear side of circuit breaker body is provided with the connecting pipe, the tip of connecting pipe is provided with pipy connecting portion, the spread groove has been seted up to the outer end of connecting portion, there is the rubber ring at the tank bottom of spread groove through spring mounting, connecting portion link to each other with external the pipe through external portion, connecting portion with the external portion outside is provided with fixed buckle.
Preferably, the external connecting part is of a tubular structure, and vertical positioning holes are formed in the external connecting part in a penetrating mode.
Preferably, the connecting portion is provided with a vertical fixing hole, the fixing hole corresponds to the positioning hole, and a fixing pin is arranged in the fixing hole and the positioning hole.
Preferably, the diameters of the positioning hole, the fixing hole and the positioning pin are gradually reduced from outside to inside.
Preferably, the fixed retaining ring comprises two fixed semi-rings, fastening plates are arranged on two sides of each fixed semi-ring, one ends of the two fixed semi-rings are movably connected through a rotating shaft, fastening rings are arranged on the other ends of the two fixed semi-rings, and the two fastening rings are fixedly connected through fastening bolts.
Preferably, the distance between the two fastening plates is equal to the width of the connecting part and the external connecting part after combination.
By adopting the technical scheme, the beneficial effects of the utility model are that:
the utility model discloses a cooperation of external portion and connecting portion can combine together to fix it through the fixed pin, utilize fixed buckle to strengthen the sealed of connecting portion and external portion simultaneously, not only combine firmly, it is effectual sealed moreover, can prevent effectively that external water source from permeating inside the connecting pipe.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is an external view of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic view of the connection portion and the external connection portion of the present invention;
fig. 4 is a schematic structural view of the external connection portion of the present invention;
fig. 5 is a schematic structural view of the connecting portion of the present invention;
fig. 6 is a schematic structural view of the fixing buckle of the present invention.
Wherein:
1. a circuit breaker body; 2. a connecting pipe; 3. a fixed retaining ring; 301. a stationary half ring; 302. a fastening plate; 303. a rotating shaft; 304. a fastening ring; 305. fastening a bolt; 4. an external connection pipe; 5. an external connection part; 501. positioning holes; 6. a connecting portion; 601. connecting grooves; 602. a fixing hole; 7. a spring; 8. a rubber ring; 9. and fixing the pin.
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 efforts belong to the protection scope of the present invention.
Referring to fig. 1-6, a vacuum circuit breaker convenient to disassemble and assemble comprises a breaker body 1, a connecting pipe 2 is arranged at the rear side of the breaker body 1, a tubular connecting portion 6 is arranged at the end of the connecting pipe 2, a connecting groove 601 is formed in the outer end of the connecting portion 6, a rubber ring 8 is installed at the bottom of the connecting groove 601 through a spring 7, the connecting portion 6 is connected with an external connecting pipe 4 through an external connecting portion 5, and a fixing buckle 3 is arranged outside the connecting portion 6 and the external connecting portion 5.
Specifically, the external connecting part 5 is of a tubular structure, a vertical positioning hole 501 penetrates through the external connecting part 5, a vertical fixing hole 602 is formed in the connecting part 6, the fixing hole 602 corresponds to the positioning hole 501, and fixing pins 9 are arranged in the fixing hole 602 and the positioning hole 501; so set up, inside inserting fixed pin 9 in proper order fixed orifices 602 and locating hole 501 when using, utilize fixed pin 9 to carry out spacing fixed to external portion 5 and connecting portion 6, make the card that external portion 5 is tight inside spread groove 601.
Specifically, the aperture of the positioning hole 501, the aperture of the fixing hole 602 and the diameter of the positioning pin are gradually reduced from the outside to the inside; with this arrangement, when the fixing pin 9 is inserted into the fixing hole 602 and the positioning hole 501, the external part 5 is positioned in an auxiliary manner by using the gradually reduced hole diameters of the fixing hole 602 and the positioning hole 501, so that the external part 5 can be tightly inserted into the connecting groove 601.
Specifically, the fixed half ring 3 comprises two fixed half rings 301, fastening plates 302 are arranged on two sides of the fixed half rings 301, one ends of the two fixed half rings 301 are movably connected by a rotating shaft 303, the other ends of the two fixed half rings 301 are respectively provided with a fastening ring 304, and the two fastening rings 304 are fixedly connected through a fastening bolt 305; in this arrangement, in use, the stationary half ring 301 is fastened to the outside of the connecting portion 6 and the external portion 5, and the stationary half ring 3 is firmly fixed to the outside of the connecting portion 6 and the external portion 5 by the engagement of the fastening bolt 305 and the fastening ring 304.
Specifically, the distance dimension between the two fastening plates 302 is equal to the width dimension of the connecting portion 6 and the external connecting portion 5 after being combined; so set up, utilize mounting plate 302 to carry out spacing fixed to connecting portion 6 and external portion 5, avoid external portion 5 and the separation of connecting portion 6.
The working principle is as follows:
when the external connection part connecting device is used, the external connection part 5 is inserted into the connecting groove 601, the rubber ring 8 is inwards squeezed against the elastic force of the spring 7 until the positioning hole 501 in the external connection part 5 is coaxial with the fixing hole 602 in the connecting part 6, the fixing pin 9 is sequentially inserted into the fixing hole 602 and the positioning hole 501, the external connection part 5 and the connecting part 6 are limited and fixed by the fixing pin 9, the external connection part 5 is tightly clamped in the connecting groove 601, the fixing half ring 301 is buckled on the outer sides of the connecting part 6 and the external connection part 5, the fixing snap ring 3 is firmly fixed on the outer sides of the connecting part 6 and the external connection part 5 through the matching of the fastening bolt 305 and the fastening ring 304, the connecting part 6 and the external connection part 5 are limited and fixed by the fastening plate 302 on the fixing snap ring 3, and the external connection part 5 and the connecting part 6 are prevented from being separated; the elastic force of the spring 7 is used for pushing and extruding the rubber ring 8 at any time, so that the rubber ring 8 is continuously and tightly attached to the external connection part 5, and the external connection part 5 is tightly connected with the connection part 6.
The utility model discloses a cooperation of external portion 5 and connecting portion 6 can combine together to fix it through fixed pin 9, utilize fixed buckle 3 to strengthen simultaneously to connecting portion 6 and external portion 5 sealed, not only combine firmly, sealed effectual moreover can prevent effectively that external water source from permeating to inside connecting pipe 2.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a vacuum circuit breaker convenient to dismouting which characterized in that: including circuit breaker body (1), the rear side of circuit breaker body (1) is provided with connecting pipe (2), the tip of connecting pipe (2) is provided with pipy connecting portion (6), spread groove (601) have been seted up to the outer end of connecting portion (6), rubber ring (8) are installed through spring (7) to the tank bottom of spread groove (601), connecting portion (6) link to each other with external pipe (4) through external portion (5), connecting portion (6) with the external portion (5) outside is provided with fixed buckle (3).
2. The vacuum circuit breaker according to claim 1, wherein: the external connection part (5) is of a tubular structure, and vertical positioning holes (501) penetrate through the external connection part (5).
3. The vacuum circuit breaker according to claim 2, wherein: vertical fixing holes (602) are formed in the connecting portion (6), the fixing holes (602) correspond to the positioning holes (501), and fixing pins (9) are arranged in the fixing holes (602) and the positioning holes (501).
4. A vacuum interrupter as defined in claim 3 for facilitating disassembly and assembly, wherein: the hole diameter of the positioning hole (501), the hole diameter of the fixing hole (602) and the diameter of the positioning pin are gradually reduced from outside to inside.
5. The vacuum circuit breaker according to claim 1, wherein: the fixed retaining ring (3) comprises two fixed half rings (301), fastening plates (302) are arranged on two sides of each fixed half ring (301), one ends of the two fixed half rings (301) are movably connected through a rotating shaft (303), fastening rings (304) are arranged on the other ends of the two fixed half rings, and the two fastening rings (304) are fixedly connected through fastening bolts (305).
6. The vacuum circuit breaker according to claim 5, wherein: the distance between the two fastening plates (302) is equal to the width of the connecting part (6) and the external connecting part (5) after combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120292947.XU CN213936042U (en) | 2021-02-02 | 2021-02-02 | Vacuum circuit breaker convenient to dismouting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120292947.XU CN213936042U (en) | 2021-02-02 | 2021-02-02 | Vacuum circuit breaker convenient to dismouting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213936042U true CN213936042U (en) | 2021-08-10 |
Family
ID=77159396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120292947.XU Active CN213936042U (en) | 2021-02-02 | 2021-02-02 | Vacuum circuit breaker convenient to dismouting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213936042U (en) |
-
2021
- 2021-02-02 CN CN202120292947.XU patent/CN213936042U/en active Active
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