CN208655498U - A kind of high suitability vacuum circuit breaker - Google Patents

Abstract

The utility model discloses a kind of high suitability vacuum circuit breakers, including breaker body, the first contact base and the second contact base are respectively arranged on the breaker body, first contact base hinge is connected with isolation knife, one end of second contact base and isolation knife is correspondingly arranged, isolation knife includes the first isolation knife and the second isolation knife being set side by side, the side of isolation knife is equipped with adjusting rod, the middle section of first isolation knife and the second isolation knife is equipped with screw set, the inside of screw set offers circular hole, pass through the first sliding rail, positive lead screw section, screw set, thread segment, fixed block, fixed frame, reversed lead screw section, the isostructural setting of adjusting rod, personnel easily can be adjusted the width between isolation knife by rotation adjusting rod, and the isolation knife of two sides being capable of synchronizing moving, the position of adjusting is accurate, it is applicable to difference The mode of the contact of width, adjusting is simple, and structure is practical, is suitble to promote the use of.

Description

A kind of high suitability vacuum circuit breaker

Technical field

The utility model relates to vacuum circuit breaker technical field more particularly to a kind of high suitability vacuum circuit breakers.

Background technique

Outdoor vacuum circuit breaker is outdoor high-voltage controller switching equipment, is mainly used for the beginning, closes in electric system and meet electricity Stream, overload current and short circuit current make protection suitable for substation and industrial and mining enterprises' distribution system and control are used, more applicable In the place in city, Rural Power Grid Construction transformation and frequent operation.

Isolation knife on vacuum circuit breaker in the prior art does not have the function of adjustment width, is not applied for various width The contact of degree, applicability is not strong, is not able to satisfy the use demand of electric system installation.

Utility model content

Purpose of the utility model is to solve one for existing in the prior art the shortcomings that being unable to adjustment width, and proposing The high suitability vacuum circuit breaker of kind.

To achieve the goals above, the utility model adopts the technical scheme that

A kind of high suitability vacuum circuit breaker, including breaker body are respectively arranged with first on the breaker body Contact base and the second contact base, the first contact base hinge are connected with isolation knife, and the second contact base is corresponding with one end of isolation knife to be set It sets, isolation knife includes the first isolation knife for being set side by side and the second isolation knife, and the side of isolation knife is equipped with adjusting rod, and described first The middle section of isolation knife and the second isolation knife is equipped with screw set, and the inside of screw set offers circular hole, and adjusting rod is installed in The inside of circular hole, is respectively equipped with reversed lead screw section and positive lead screw section on adjusting rod from left to right, the first isolation knife with second every Outside from knife is equipped with fixed frame, and the middle section of fixed frame is welded with fixed block, offers screw hole on fixed block, on adjusting rod Equipped with thread segment, the middle section of adjusting rod is threadedly secured in the inside of screw hole.

Preferably, the reversed lead screw section and forward direction lead screw Duan Shangjun offer spiral chute, the interior wall of the circular hole Equipped with ball, ball is slidably connected with spiral chute.

Preferably, loose slot is offered on the fixed frame, the inner wall two sides of loose slot pass through rivet and are fixed with second The outside of sliding rail, the first isolation knife and the second isolation knife is installed with steel ball, and steel ball is slidably connected with the second sliding rail.

Preferably, the inside of the isolation knife passes through screw and is fixed with the first sliding rail, first isolation knife and second The both ends of isolation knife are slidably connected with the first sliding rail.

Preferably, the center of the screw hole and the center of circular hole on the same axis, screw hole, circular hole and adjusting rod two-by-two it Between cross-sectional area it is equal in magnitude.

The beneficial effects of the utility model are:

Compared with prior art, pass through the first sliding rail in the utility model, positive lead screw section, screw set, thread segment, consolidate Determine block, fixed frame, reversed lead screw section, the isostructural setting of adjusting rod, personnel can be by rotation adjusting rod come easily to isolation Width between knife is adjusted, and the isolation knife of two sides can synchronizing moving, the position of adjusting is accurate, is applicable to different width The mode of the contact of degree, adjusting is simple, and structure is practical, is suitble to promote the use of.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of high suitability vacuum circuit breaker positive structure schematic；

Fig. 2 be the utility model proposes isolation knife top view；

Fig. 3 be the utility model proposes fixed frame enlarged drawing.

In figure: 1 breaker body, 2 first contact bases, 3 second contact bases, 4 isolation knifes, 41 first isolation knifes, 42 second Isolation knife, 5 first sliding rails, 6 positive lead screw sections, 7 screw sets, 8 thread segments, 9 fixed blocks, 10 fixed frames, 11 reversed lead screw sections, 12 Adjusting rod, 13 second sliding rails.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

Referring to Fig.1-3, a kind of high suitability vacuum circuit breaker, including breaker body 1, on the breaker body 1 point It is not provided with the first contact base 2 and the second contact base 3,2 hinge of the first contact base is connected with isolation knife 4, and the inside of isolation knife 4 is equal It is fixed with the first sliding rail 5 by screw, the both ends of the first isolation knife 41 and the second isolation knife 42 are slidably connected with the first sliding rail 5, Second contact base 3 and one end of isolation knife 4 are correspondingly arranged, isolation knife 4 include the first isolation knife 41 being set side by side and second every From knife 42, the side of isolation knife 4 is equipped with adjusting rod 12, and the middle section of the first isolation knife 41 and the second isolation knife 42 is equipped with silk Thick stick set 7, the inside of screw set 7 offers circular hole, and adjusting rod 12 is installed in the inside of circular hole, distinguishes from left to right on adjusting rod 12 Equipped with reversed lead screw section 11 and positive lead screw section 6, spiral chute is offered in reversed lead screw section 11 and positive lead screw section 6, circle The inner wall in hole is installed with ball, and ball is slidably connected with spiral chute, and the outside of the first isolation knife 41 and the second isolation knife 42 is set There is fixed frame 10, loose slot is offered on fixed frame 10, the inner wall two sides of loose slot pass through rivet and are fixed with the second sliding rail 13, By the first sliding rail 5, positive lead screw section 6, screw set 7, thread segment 8, fixed block 9, fixed frame 10, reversed lead screw section 11, adjust The isostructural setting of bar 12, personnel easily can be adjusted the width between isolation knife 4 by rotation adjusting rod 12, and The isolation knife 4 of two sides can synchronizing moving, the position of adjusting is accurate, is applicable to the contact of different in width, the mode letter of adjusting Single, structure is practical, is suitble to promote the use of, and the outside of the first isolation knife 41 and the second isolation knife 42 is installed with steel ball, steel ball and Second sliding rail 13 is slidably connected, and the middle section of fixed frame 10 is welded with fixed block 9, and screw hole is offered on fixed block 9, screw hole On the same axis, screw hole, the cross-sectional area of circular hole and adjusting rod 12 between any two are equal in magnitude for center and the center of circular hole, adjust Pole 12 is equipped with thread segment 8, and the middle section of adjusting rod 12 is threadedly secured in the inside of screw hole.

In the present embodiment, when adjustment width, when personnel rotate clockwise adjusting rod 12, adjusting rod 12 is inside fixed block 9 Screw hole in move to the right, since adjusting rod 12 moves to the right, the then positive lead screw section 6 on adjusting rod 12 of screw set 7 It is slided in reversed lead screw section 11, it is reversed on the contrary, two screw sets 7 all mobile, silks towards centre due to the setting of two lead screw sections Under the action of thick stick set 7, drive the first isolation knife 41 and the second isolation knife 42 simultaneously to middle slip, the first isolation knife 41 and second The both ends of isolation knife 42 are installed with ball, can slide on the first sliding rail 5, and fixed frame 10 is used to consolidate the position of fixed block 9, First isolation knife 41 and the second isolation knife 42 are realized simultaneously in the inside of loose slot to middle slip through 12 pairs of adjusting rod isolation Synchronous adjustment between knife 4.

Further, when rotating counterclockwise adjusting rod 12, the first isolation knife 41 of two sides and the second isolation knife 42 outside two The position of side is mobile, and the two sides of thread segment and lead screw section are equipped with small limited block, it can be ensured that isolation knife 4 is without departing from personnel It is adaptable according to the width of contact from the width between main regulation isolation knife 4.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (5)

1. a kind of high suitability vacuum circuit breaker, including breaker body (1), which is characterized in that on the breaker body (1) It is respectively arranged with the first contact base (2) and the second contact base (3), the first contact base (2) hinge is connected with isolation knife (4), and second Contact base (3) and one end of isolation knife (4) are correspondingly arranged, and isolation knife (4) includes the first isolation knife (41) for being set side by side and the The side of two isolation knifes (42), isolation knife (4) is equipped with adjusting rod (12), first isolation knife (41) and the second isolation knife (42) Middle section be equipped with screw set (7), the inside of screw set (7) offers circular hole, and adjusting rod (12) is installed in the interior of circular hole Portion, is respectively equipped with reversed lead screw section (11) and positive lead screw section (6) on adjusting rod (12) from left to right, the first isolation knife (41) with The outside of second isolation knife (42) is equipped with fixed frame (10), and the middle section of fixed frame (10) is welded with fixed block (9), fixed block (9) screw hole is offered on, adjusting rod (12) is equipped with thread segment (8), and the middle section of adjusting rod (12) is threadedly secured in screw hole Inside.

2. a kind of high suitability vacuum circuit breaker according to claim 1, which is characterized in that the reversed lead screw section (11) With offer spiral chute on positive lead screw section (6), the inner wall of the circular hole is installed with ball, and ball and spiral chute slide Connection.

3. a kind of high suitability vacuum circuit breaker according to claim 1, which is characterized in that opened on the fixed frame (10) Equipped with loose slot, the inner wall two sides of loose slot pass through rivet and are fixed with the second sliding rail (13), the first isolation knife (41) and second The outside of isolation knife (42) is installed with steel ball, and steel ball is slidably connected with the second sliding rail (13).

4. a kind of high suitability vacuum circuit breaker according to claim 1, which is characterized in that the isolation knife (4) it is interior Side passes through screw and is fixed with the first sliding rail (5), the both ends and first of first isolation knife (41) and the second isolation knife (42) Sliding rail (5) is slidably connected.

5. a kind of high suitability vacuum circuit breaker according to claim 1, which is characterized in that the center of the screw hole and circle On the same axis, screw hole, the cross-sectional area of circular hole and adjusting rod (12) between any two are equal in magnitude at the center in hole.