CN213277981U

CN213277981U - Lever structure of circuit breaker operating mechanism

Info

Publication number: CN213277981U
Application number: CN202022241895.1U
Authority: CN
Inventors: 顾爱
Original assignee: Suzhou Yuanhongyu Precision Hardware Co ltd
Current assignee: Suzhou Yuanhongyu Precision Hardware Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-05-25
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a lever structure of a circuit breaker operating mechanism, which comprises a side plate, a lock catch lever, support rods, first fixed rods, rotating rods and a lock head, wherein four groups of support rods are arranged on one side of the side plate in an array manner, and one ends of the four groups of support rods, which are far away from the side plate, are respectively connected with the two groups of first fixed rods in a rotating manner; arbitrary two sets of the portion placed in the middle of first dead lever all is provided with the bull stick, and is two sets of the outer fixed surface cover of bull stick is equipped with the hasp lever, the one end that the bull stick was kept away from to the hasp lever is fixed with the connecting rod through the bolt, just the one end that the hasp lever was kept away from to the connecting rod rotates and is connected with the tapered end, the through-hole that supplies the embedding of second bearing is seted up to the position that the curb plate corresponds the bull stick, the bull stick is worn to be equipped with in the inside of second bearing, the one end that the second bearing. The lever structure of the circuit breaker operating mechanism is convenient to use and maintain and can be widely used.

Description

Lever structure of circuit breaker operating mechanism

Technical Field

The utility model belongs to the technical field of low-voltage apparatus, concretely relates to circuit breaker operating device's lever structure.

Background

The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition for a predetermined time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances.

For example, a closing lever structure of a circuit breaker operating mechanism with the publication number of CN210778450U and the publication date of 2020-06-16 comprises a pair of side plates; the locking lever is arranged between the pair of side plates and provided with a locking lever face and a locking lever cambered surface; the lock device comprises lock lever fulcrum shafts which are fixed on the lock levers and extend on two sides, wherein two end parts of each lock lever fulcrum shaft are connected with the side plates, and the lock lever fulcrum shafts rotate relative to the side plates so as to drive the lock levers to rotate together.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circuit breaker operating device's lever structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a lever structure of an operating mechanism of a circuit breaker comprises a side plate, a latch lever, support rods, a first fixed rod, a rotating rod and a lock head, wherein four groups of support rods are arranged on one side of the side plate in an array mode, and one ends, far away from the side plate, of the four groups of support rods are respectively in rotating connection with the two groups of first fixed rods;

arbitrary two sets of the portion placed in the middle of first dead lever all is provided with the bull stick, and is two sets of the external fixed surface cover of bull stick is equipped with the hasp lever, the one end that the bull stick was kept away from to the hasp lever is fixed with the connecting rod through the bolt, just the one end rotation that the hasp lever was kept away from to the connecting rod is connected with the tapered end.

Preferably, the position of the side plate corresponding to the rotating rod is provided with a through hole for embedding the second bearing, the rotating rod is arranged in the second bearing in a penetrating mode, one end, far away from the second bearing, of the rotating rod is provided with a first bearing in a penetrating mode, and one side, far away from the second bearing, of the first bearing is abutted to the first fixing rod.

Preferably, one side fixedly connected with stand of curb plate orientation bull stick, the surface cover of stand is equipped with the spring, one side of hasp lever is provided with the couple with the other end adaptation of spring.

Preferably, two sets of the rotating rods are fixedly connected with the fixing blocks at the ends far away from the second bearing, and the middle parts of the two sets of the first fixing rods are respectively provided with through holes for movably embedding the fixing blocks.

Preferably, two groups of second fixing rods arranged in parallel are fixedly connected between the two groups of first fixing rods.

Preferably, the connecting rod is of a T-shaped structure, and a T-shaped groove matched with the connecting rod is formed in the locking lever.

The utility model discloses a technological effect and advantage: this circuit breaker operating device's lever structure, the frame construction who forms through four group's bracing pieces and two sets of first mounts supports the bull stick, stability when can improve the bull stick rotation, be convenient for disassemble inspection and maintenance to the inside part of frame simultaneously, through the connecting rod, the cooperation of tapered end and hasp lever, rotate the in-process, reduce the wearing and tearing of part junction, improve the life of part, improve the security of using simultaneously, this circuit breaker operating device's lever structure, high durability and convenient use, the maintenance of being convenient for, can be widely used.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an expanded view of the present invention;

fig. 3 is an enlarged view of a point a in fig. 2 according to the present invention;

fig. 4 is a cross-sectional view of the latch lever of the present invention.

In the figure: the locking device comprises a side plate 1, a locking lever 2, a supporting rod 3, a first fixing rod 4, a first bearing 5, a rotating rod 6, a second bearing 7, a through hole 8, a fixing block 9, a vertical column 10, a spring 11, a through hole 12, a second fixing rod 13, a connecting rod 14 and a locking head 15.

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.

The utility model provides a lever structure of a circuit breaker operating mechanism as shown in figures 1-4, which comprises a side plate 1, a latch lever 2, a support rod 3, a first fixed rod 4, a rotating rod 6 and a lock head 15, wherein one side of the side plate 1 is provided with four groups of support rods 3 in an array, and one ends of the four groups of support rods 3 far away from the side plate 1 are respectively connected with the two groups of first fixed rods 4 in a rotating way; fix two sets of first dead levers 4 through four group's bracing pieces 3, improve the stability when bull stick 6 rotates when conveniently fixing bull stick 6, can also be convenient for disassemble the inspection maintenance.

Arbitrary two sets of the middle part that lives in of first dead lever 4 all is provided with bull stick 6, and is two sets of the external fixed surface cover of bull stick 6 is equipped with hasp lever 2, the one end that bull stick 6 was kept away from to hasp lever 2 is passed through the bolt fastening and is had connecting rod 14, just connecting rod 14 is kept away from the one end rotation of hasp lever 2 and is connected with tapered end 15, rotates the bolt, adjusts the flexible length of connecting rod 14, and then can adjust the distance between hasp lever 2 and the tapered end 15, and the tapered end 15 of connecting is rotated in the cooperation, rotates the in-process for a long time, reduces the wearing and tearing of junction, extension part life.

Specifically, the through-hole 12 that supplies the embedding of second bearing 7 is seted up to the position that curb plate 1 corresponds bull stick 6, reduces the device volume, saves installation space, bull stick 6 is worn to be equipped with in the inside of second bearing 7, the one end that second bearing 7 was kept away from to bull stick 6 is worn to be equipped with first bearing 5, one side and the first dead lever 4 butt of second bearing 7 are kept away from to first bearing 5, and the butt of first bearing 5 is in first dead lever 4 one side, and the device of being convenient for is disassembled simultaneously in the effect that reaches stable pivoted.

Specifically, curb plate 1 is towards one side fixedly connected with stand 10 of bull stick 6, the surface cover of stand 10 is equipped with spring 11, one side of hasp lever 2 be provided with the couple of the other end adaptation of spring 11, drive hasp lever 2 and rotate when bull stick 6 rotates, hasp lever 2 stretches spring 11, and when opening circuit, under spring 11's reset action for the gyration of hasp lever 2 reduces the risk of electrocuting.

Specifically, it is two sets of the equal fixed connection fixed block 9 of one end that second bearing 7 was kept away from to bull stick 6, and two sets of the through hole 8 that supplies the activity embedding of fixed block 9 is seted up respectively to the part placed in the middle of first dead lever 4, improves 6 pivoted stability of bull stick, and the embedding sets up the disassembling of the device of being convenient for simultaneously.

Specifically, two sets of second dead levers 13 that the parallel state of two sets of fixedly connected with was arranged between two sets of first dead lever 4, second dead lever 13 consolidates two sets of first dead levers 4, improves the stability of supporting.

Specifically, connecting rod 14 is T shape structure, and the connecting rod 14 joint of T shape structure is in the inside of hasp lever 2, prevents that tensile in-process connecting rod 14 and hasp lever 2 break away from, just the T-slot with the 14 adaptations of connecting rod is seted up to the inside of hasp lever 2, stability when improving connecting rod 14 and removing.

The working principle is as follows: the lever structure of the circuit breaker operating mechanism is characterized in that during installation, a second bearing 7 is fixedly embedded into a through hole 12 formed in one side of a side plate 1, a rotating rod 6 penetrates into the second bearing 7, the other end of the rotating rod 6 penetrates into a first bearing 5, a fixing block 9 arranged at one end of the rotating rod 6 is movably embedded into a first fixing rod 4, one side of the first bearing 5 is abutted against the first fixing rod 4, the two groups of first fixing rods 4 and the two groups of second fixing rods 13 are connected, the four groups of supporting rods 3 are rotated to fix the first fixing rods 4 on the side plate 1, during passage, the rotating rod 6 is rotated, the rotating rod 6 drives a latch lever 2 to rotate along the axial direction of the rotating rod 6, the spring 11 is stretched by rotation of the latch lever 2, during short circuit, under the reset action of the spring 11, quick short circuit is realized, the possibility of electric shock is reduced, a bolt on one side of the latch lever 2 is rotated, a connecting rod 14 can, according to the installation needs, carry out flexible adjustment to tapered end 15, the one end of connecting rod 14 rotates with tapered end 15 simultaneously and is connected, rotates the in-process for a long time at hasp lever 2, and the skew takes place for the position easily, rotates to connect the wearing and tearing that can reduce the junction, extension means's life.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a circuit breaker operating device's lever structure, includes curb plate (1), hasp lever (2), bracing piece (3), first dead lever (4), bull stick (6) and tapered end (15), its characterized in that: four groups of supporting rods (3) are arranged on one side of the side plate (1) in an array mode, and one ends, far away from the side plate (1), of the four groups of supporting rods (3) are respectively in rotating connection with two groups of first fixing rods (4);

two sets of wantonly the middle part that lives in of first dead lever (4) all is provided with bull stick (6), and is two sets of the external fixed surface cover of bull stick (6) is equipped with hasp lever (2), the one end that bull stick (6) were kept away from in hasp lever (2) is through the bolt fastening have connecting rod (14), just the one end rotation that hasp lever (2) were kept away from in connecting rod (14) is connected with tapered end (15).

2. The lever structure of a circuit breaker operating mechanism as claimed in claim 1, wherein: through-hole (12) that supply second bearing (7) embedding are seted up to the position that curb plate (1) corresponds bull stick (6), bull stick (6) are worn to be equipped with in the inside of second bearing (7), the one end that second bearing (7) were kept away from in bull stick (6) is worn to be equipped with first bearing (5), one side and first dead lever (4) butt that second bearing (7) were kept away from in first bearing (5).

3. The lever structure of a circuit breaker operating mechanism as claimed in claim 1, wherein: curb plate (1) is towards one side fixedly connected with stand (10) of bull stick (6), the surface cover of stand (10) is equipped with spring (11), one side of hasp lever (2) is provided with the couple with spring (11) other end adaptation.

4. The lever structure of a circuit breaker operating mechanism as claimed in claim 1, wherein: two sets of the equal fixed connection fixed block (9) of one end that second bearing (7) were kept away from in bull stick (6), and two sets of through hole (8) that supply fixed block (9) activity embedding are seted up respectively to the part between two parties of first dead lever (4).

5. The lever structure of a circuit breaker operating mechanism as claimed in claim 1, wherein: two groups of second fixing rods (13) which are arranged in parallel are fixedly connected between the two groups of first fixing rods (4).

6. The lever structure of a circuit breaker operating mechanism as claimed in claim 1, wherein: the connecting rod (14) is of a T-shaped structure, and a T-shaped groove matched with the connecting rod (14) is formed in the lock catch lever (2).