CN218241694U

CN218241694U - Line inlet and outlet protection device of vacuum circuit breaker

Info

Publication number: CN218241694U
Application number: CN202222140150.5U
Authority: CN
Inventors: 余道火; 余道平; 潘强; 拜合提亚·阿扎提
Original assignee: Xinjiang Ganneng Electric Technology Co ltd
Current assignee: Xinjiang Ganneng Electric Technology Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2023-01-06
Anticipated expiration: 2032-08-15

Abstract

The utility model discloses a vacuum circuit breaker incoming and outgoing line protection device, through being provided with an incoming and outgoing line protection cabinet, the current transformer connecting end is positioned in the incoming and outgoing line protection cabinet, and the incoming and outgoing line protection cabinet plays a role in shielding and protecting; the wire passing through hole of the wire inlet and outlet protection cabinet is provided with a wire passing airtight protection part, so that the dustproof and waterproof effects are effectively achieved; the terminal protection cover is buckled on the outer side of the lower outgoing line terminal of the vacuum circuit breaker main body, the shielding effect can be achieved on the lower outgoing line terminal through the terminal protection cover, the dustproof and waterproof effects are achieved, and the inlet and outlet interfaces of the vacuum circuit breaker can be protected more comprehensively.

Description

Line inlet and outlet protection device of vacuum circuit breaker

Technical Field

The utility model relates to a vacuum circuit breaker technical field specifically is a vacuum circuit breaker business turn over line protection device.

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; it has the advantages of small volume, light weight, being suitable for frequent operation and no need of maintenance for arc extinction.

At present, chinese utility model CN202220130517.2 provides a business turn over line cabinet for vacuum circuit breaker, can fix the internal cable that passes the mounting hole entering protection cabinet through sealing mechanism, and utilize receiving mechanism to accomodate the internal unnecessary cable of protection cabinet, make the cable arrange in order in protection cabinet is internal, and be connected circuit and current transformer link in protection cabinet, can fully protect the junction between cable and the current transformer link, avoid the junction to bear the wind and rain and drench, the life of current transformer link and cable link has been prolonged.

However, the protection of the inlet and outlet interfaces of the vacuum circuit breaker in the above technology is not comprehensive enough, and there are also optimizable places, so that the inlet and outlet line protection device of the vacuum circuit breaker, which has strong practicability and can protect the inlet and outlet interfaces of the vacuum circuit breaker more comprehensively, is necessary.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vacuum circuit breaker business turn over line protection device to solve the problem that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a vacuum circuit breaker business turn over line protection device, includes the vacuum circuit breaker main part, be equipped with insulating connecting piece in the vacuum circuit breaker main part, insulating connecting piece tip is equipped with the current transformer link, still be equipped with down leading-out terminal in the vacuum circuit breaker main part, and leading-out terminal outside lock has the terminal protection casing down, vacuum circuit breaker main part right flank lower extreme is fixed to be equipped with the layer board, fixed surface is equipped with business turn over line protection cabinet on the layer board, the jack has been seted up to business turn over line protection cabinet inner chamber left side wall corresponding current transformer link, the current transformer link is pegged graft in the jack, the line through-hole has all been seted up to lateral wall lower extreme around the business turn over line protection cabinet, business turn over line protection cabinet front and back lateral wall lower extreme is all fixed to be equipped with the airtight protection piece of line, and crosses the airtight protection piece of line and be located there and cross the line through-hole outside.

According to the technical scheme, cross the airtight protection piece of line including being located the ring body in the line through-hole outside, fixing bolt has all been run through to both sides about the ring body outer wall, and fixing bolt tip spiro union on business turn over line protection cabinet outer wall, the ring body with cross line through-hole axial lead coincidence, the fixed cone bellows that is equipped with of ring body inner ring face, the even fixed silica gel dish that is equipped with in cone bellows inner wall front side is adjacent silica gel dish edge is laminated mutually.

According to the technical scheme, the left edge and the right edge of the outer wall of the connecting end of the current transformer are both pasted and fixed with the rubber sealing rings, and the outer walls of the rubber sealing rings are tightly attached to the inner walls of the jacks.

According to the technical scheme, the terminal protection cover comprises a conical cover buckled on the outer side of the lower wire outgoing terminal in a clamping manner, a strip-shaped through hole is longitudinally formed in the right side face of the conical cover, rubber sheets are fixedly adhered to the left side and the right side of the inner wall of the strip-shaped through hole, the inner side ends of the rubber sheets are attached to the left side and the right side, semicircular through holes are formed in the inner side edges of the rubber sheets, and the semicircular through holes are spliced into a complete circle.

According to above-mentioned technical scheme, business turn over line protection cabinet inner chamber back wall vertical fixation is equipped with the cable and accomodates the frame, the cable is accomodate the frame and is included the pole of vertical fixation assembly in business turn over line protection cabinet inner chamber back wall, and the pole outer wall is the pitted surface, the pole outer wall slides and is equipped with the lantern ring, and the interior anchor ring of the lantern ring closely laminates with the pole outer wall, the fixed coupling of lantern ring outer wall has ring baffle.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

the utility model discloses, through being provided with business turn over line protection cabinet, the current transformer link is located business turn over line protection cabinet, and business turn over line protection cabinet plays and shelters from the guard action; the wire passing through hole of the wire inlet and outlet protection cabinet is provided with a wire passing airtight protection part, so that the dustproof and waterproof effects are effectively achieved; the terminal protection cover is buckled on the outer side of the lower outgoing line terminal of the vacuum circuit breaker main body, the shielding effect can be achieved on the lower outgoing line terminal through the terminal protection cover, the dustproof and waterproof effects are achieved, and the inlet and outlet interfaces of the vacuum circuit breaker can be protected more comprehensively.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a partial structural schematic diagram of the present invention;

fig. 3 is a schematic structural view of the wire passing airtight protection device of the present invention;

fig. 4 is a schematic structural view of the terminal protection cover of the present invention;

fig. 5 is a schematic structural view of the cable storage rack of the present invention.

In the figure: the circuit breaker comprises a vacuum circuit breaker main body 1, an insulating connecting piece 2, a current transformer connecting end 3, a supporting plate 4, an incoming and outgoing line 5 protective cabinet 51, a jack 52, a through hole 52, a rubber sealing ring 6, a closed protection piece 7, a ring 71, a conical corrugated pipe 72, a silica gel disc 73, a fixing bolt 74, a terminal protective cover 8, a conical cover 81, a strip-shaped through hole 82, a rubber sheet 83, a semicircular through hole 84, a cable accommodating frame 9, a round rod 91, a lantern ring 92 and an annular baffle 93.

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. 1-5, the present invention provides a technical solution: the utility model provides a vacuum circuit breaker business turn over line protection device, including vacuum circuit breaker main part 1, be equipped with insulating connecting piece 2 on the vacuum circuit breaker

main part

1, 2 tip of insulating connecting piece are equipped with current transformer link 3, outlet terminal still is equipped with down on the vacuum circuit breaker main part 1, and outlet terminal outside lock has terminal protection casing 8 down, 1 right side of vacuum circuit breaker main part lower extreme is fixed to be equipped with layer board 4, fixed surface is equipped with business turn over line protection cabinet 5 on the layer board 4, jack 51 has been seted up to 5 inner chamber left side walls of business turn over line protection cabinet corresponding current transformer link 3, plug in jack 51 is pegged graft to current transformer link 3, line through-hole 52 has all been seted up to lateral wall lower extreme around the business turn over line protection cabinet 5, lateral wall lower extreme all fixed being equipped with line airtight protection piece 7 around the business turn over line protection cabinet 5, and line airtight protection piece 7 is located there is the line through-hole 52 outside.

The incoming and outgoing line protection cabinet 5 is arranged, the current transformer connecting end 3 is positioned in the incoming and outgoing line protection cabinet 5, and the incoming and outgoing line protection cabinet 5 plays a role in shielding and protecting; the wire passing closed protection part 7 is arranged at the wire passing through hole 52 of the wire inlet and outlet protection cabinet 5, so that the dustproof and waterproof effects are effectively achieved; the terminal protection cover 8 is buckled on the outer side of the lower outgoing line terminal of the vacuum circuit breaker main body 1, the shielding effect can be achieved on the lower outgoing line terminal through the terminal protection cover 8, the dustproof and waterproof effects are achieved, and the inlet and outlet interfaces of the vacuum circuit breaker can be protected more comprehensively.

Specifically, the wire passing airtight protection part 7 comprises a ring body 71 positioned outside the wire passing through hole 52, fixing bolts 74 penetrate through the upper side and the lower side of the outer wall of the ring body 71, the tail ends of the fixing bolts 74 are screwed on the outer wall of the wire inlet and outlet protection cabinet 5, the ring body 71 is overlapped with the axial line of the wire passing through hole 52, a conical corrugated pipe 72 is fixedly assembled on the inner annular surface of the ring body 71, silica gel discs 73 are uniformly and fixedly assembled on the front side of the inner wall of the conical corrugated pipe 72, and the edges of the adjacent silica gel discs 73 are attached to each other; conical corrugated pipe 72 can stretch out and draw back, buckle, is convenient for along with cable redirecting, and silica gel gasket 73 parcel is passed through on the cable outer wall to conical corrugated pipe 72 inner wall front side, plays airtight shutoff effect, avoids the entering of external dust and moisture.

Specifically, the rubber sealing ring 6 is fixedly adhered to the left edge and the right edge of the outer wall of the current transformer connecting end 3, the outer wall of the rubber sealing ring 6 is tightly attached to the inner wall of the jack 51, and the rubber sealing ring 6 is blocked between the outer wall of the current transformer connecting end 3 and the inner wall of the jack 51 to achieve the effect of closed blocking.

Specifically, the terminal protection cover 8 comprises a conical cover 81 clamped and buckled on the outer side of the lower outlet terminal, a strip-shaped through hole 82 is longitudinally formed in the right side face of the conical cover 81, rubber sheets 83 are fixedly adhered to the left side and the right side of the inner wall of the strip-shaped through hole 82, the inner side ends of the left rubber sheet 83 and the right rubber sheet 83 are attached to each other, semicircular through holes 84 are formed in the inner side edges of the left rubber sheet 83 and the right rubber sheet 83, and the semicircular through holes 84 on the left side and the right side are spliced into a complete circle; the laminating of the inboard end of left and right sides sheet rubber 83 plays airtight effect of sheltering from, and the circular hole department that the semi-circular through-hole 84 concatenation of left and right sides was followed to the cable passes, and the circular hole size slightly is less than the cable external diameter, because of sheet rubber 83 has elasticity, and the round hole inner wall can guarantee not to produce the gap between the inboard end of left and right sides sheet rubber 83 when the inseparable parcel of cable outer wall.

Specifically, a cable storage frame 9 is vertically and fixedly assembled on the rear wall of the inner cavity of the wire inlet and outlet protection cabinet 5, the cable storage frame 9 comprises a round rod 91 vertically and fixedly assembled on the rear wall of the inner cavity of the wire inlet and outlet protection cabinet 5, the outer wall of the round rod 91 is a pitted surface, a sleeve ring 92 is assembled on the outer wall of the round rod 91 in a sliding mode, the inner ring surface of the sleeve ring 92 is tightly attached to the outer wall of the round rod 91, and an annular baffle 93 is fixedly sleeved on the outer wall of the sleeve ring 92; annular baffle 93 slides from side to side on pole 91 through lantern ring 92, carries out the position and removes, adjusts the interval between the adjacent annular baffle 93, and the cable winding is at pole 91 outer wall, separates through annular baffle 93 interval, realizes the arrangement effect.

The working principle is as follows:

the utility model is provided with the incoming and outgoing line protection cabinet 5, the current transformer connecting end 3 is positioned in the incoming and outgoing line protection cabinet 5, and the incoming and outgoing line protection cabinet 5 plays a role of shielding and protecting; the wire passing closed protection part 7 is arranged at the wire passing through hole 52 of the wire inlet and outlet protection cabinet 5, so that the dustproof and waterproof effects are effectively achieved; the terminal protection cover 8 is buckled on the outer side of the lower outgoing line terminal of the vacuum circuit breaker main body 1, the shielding effect can be achieved on the lower outgoing line terminal through the terminal protection cover 8, the dustproof and waterproof effects are achieved, and the inlet and outlet interfaces of the vacuum circuit breaker can be protected more comprehensively.

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.

Finally, it should be noted that: although the present invention has been described in detail 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 above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a vacuum circuit breaker business turn over line protection device which characterized in that: including vacuum circuit breaker main part (1), be equipped with insulating connecting piece (2) on vacuum circuit breaker main part (1), insulating connecting piece (2) tip is equipped with current transformer link (3), outlet terminal under still being equipped with on vacuum circuit breaker main part (1), and outlet terminal outside lock has terminal protection casing (8) down, vacuum circuit breaker main part (1) right flank lower extreme fixed be equipped with layer board (4), fixed surface is equipped with inlet and outlet wire protection cabinet (5) on layer board (4), jack (51) have been seted up to inlet and outlet wire protection cabinet (5) inner chamber left side wall corresponding current transformer link (3), current transformer link (3) are pegged graft in jack (51), line through-hole (52) have all been seted up to the lateral wall lower extreme around inlet and outlet wire protection cabinet (5), the lateral wall lower extreme all fixed be equipped with line airtight protection piece (7) around inlet and outlet wire protection cabinet (5), and line airtight protection piece (7) are located there is the line through-hole (52) outside.

2. The inlet and outlet line protection device of the vacuum circuit breaker as claimed in claim 1, wherein: cross airtight protection spare (7) of line including being located ring body (71) of crossing the line through-hole (52) outside, fixing bolt (74) have all been run through to both sides about ring body (71) outer wall, and fixing bolt (74) terminal spiro union in business turn over line protection cabinet (5) outer wall, ring body (71) with cross line through-hole (52) axial lead coincidence, ring body (71) interior anchor clamps have toper bellows (72), toper bellows (72) inner wall front side uniform fixed mounting has silica gel disc (73), adjacent disc silica gel (73) edge is laminated mutually.

3. The inlet and outlet line protection device of the vacuum circuit breaker as claimed in claim 1, wherein: the current transformer connecting end (3) outer wall left and right edges are pasted and fixed with rubber seal (6), and the outer wall of the rubber seal (6) is closely attached to the inner wall of the jack (51).

4. The inlet and outlet line protection device of the vacuum circuit breaker as claimed in claim 1, wherein: terminal protection casing (8) including joint lock in toper cover (81) in the leading-out terminal outside down, bar through-hole (82) have vertically been seted up to toper cover (81) right flank, all paste and be fixed with sheet rubber (83) in the left and right sides of bar through-hole (82) inner wall, the left and right sides the inboard end of sheet rubber (83) is laminated mutually, the left and right sides semicircular through-hole (84) have all been seted up to the inboard edge in sheet rubber (83), the left and right sides semicircular through-hole (84) concatenation is complete circular.

5. The inlet and outlet line protection device of the vacuum circuit breaker as claimed in claim 1, wherein: business turn over line protection cabinet (5) inner chamber back wall vertical fixation is equipped with cable and accomodates frame (9), cable accomodate frame (9) including vertical fixation assemble round bar (91) of wall behind business turn over line protection cabinet (5) inner chamber, and round bar (91) outer wall is the pitted surface, round bar (91) outer wall slides and is equipped with lantern ring (92), and lantern ring (92) interior anchor ring and the inseparable laminating of round bar (91) outer wall, the fixed cup joint of lantern ring (92) outer wall has ring baffle (93).