CN211125413U

CN211125413U - Clutch device of electric operating mechanism for circuit breaker

Info

Publication number: CN211125413U
Application number: CN201921738541.9U
Authority: CN
Inventors: 牛和强
Original assignee: Wuxi Kaixuan Motor Co Ltd
Current assignee: Wuxi Kaixuan Motor Co Ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-07-28
Anticipated expiration: 2029-10-16

Abstract

The utility model belongs to the technical field of electrical equipment, a clutch device of an electric operating mechanism for a circuit breaker is related to, comprising a top plate and a bottom plate which are arranged in parallel, a supporting shaft runs through the arrangement of the top plate and the bottom plate, a first rotating wheel and a second rotating wheel are sleeved on the supporting shaft, the first rotating wheel is provided with an axial extension part, and a clutch shaft sleeve is sleeved on the axial extension part and synchronously rotates along with the first rotating wheel; the bottom plate is also provided with a lifting operating mechanism which can drive the clutch shaft sleeve to axially move along the axial extension part so as to realize the separation or connection of the clutch shaft sleeve and the second rotating wheel. The clutch device can improve the clutch precision, prolong the service life, improve the clutch reliability and reduce the force required by the action, and has the advantages of simple structure and convenient operation, and is suitable for batch production.

Description

Clutch device of electric operating mechanism for circuit breaker

Technical Field

The utility model belongs to the technical field of electrical equipment, a circuit breaker is with electric operating mechanism's clutch is related to.

Background

With the development of the electric power industry in China, the circuit breaker is used as a key electric appliance in a power distribution link, the functions of the circuit breaker are more and more, the structure of the circuit breaker is more and more complex, and more new circuit breakers need to be provided with clutch devices in an electric operating mechanism matched with the circuit breaker. At present, the clutch devices of a plurality of electric operating mechanisms have the problems of low clutch precision, easy failure, unreliable action, large torque required by clutch, inconvenient operation and the like. These problems pose a significant safety hazard to the distribution of electricity.

Disclosure of Invention

To the above problem, the utility model provides a circuit breaker is with electric operating mechanism's clutch, this clutch can improve separation and reunion precision, increase life, improve separation and reunion reliability, reduce the required power of action, and simple structure, convenient operation is fit for batch production.

According to the technical scheme of the utility model: a clutch device of an electric operating mechanism for a circuit breaker is characterized in that: the clutch mechanism comprises a top plate and a bottom plate which are arranged in parallel, a support shaft penetrates through the top plate and the bottom plate, a first rotating wheel and a second rotating wheel are sleeved on the support shaft, the first rotating wheel is provided with an axial extension part, and a clutch shaft sleeve is sleeved on the axial extension part and synchronously rotates along with the first rotating wheel; the bottom plate is also provided with a lifting operating mechanism which can drive the clutch shaft sleeve to axially move along the axial extension part so as to realize the separation or connection of the clutch shaft sleeve and the second rotating wheel.

As a further improvement of the present invention, the bottom surface of the axial extension portion of the first runner is supported on the upper surface of the second runner.

As a further improvement, the axial extension portion is provided with the stopper that axial extension set up, and the separation and reunion axle sleeve is provided with the guiding hole with axial extension portion matched with, and the stopper cooperatees with the spacing groove that sets up on the separation and reunion axle sleeve.

As a further improvement of the utility model, the lifting operating mechanism comprises a side plate fixed on the bottom plate, an eccentric shaft is rotatably arranged on the side plate, a torsional spring is sleeved on the eccentric shaft, one end of the torsional spring is limited by a limit pin arranged on the eccentric shaft, and the other end of the torsional spring extends into a positioning hole on the side plate; a push rod is also vertically arranged on the eccentric shaft, and a stop lever is arranged on the side plate to limit the push rod; the eccentric shaft is close to separation and reunion axle sleeve one end and sets up the semi-section axial region, the panel bottom surface of separation and reunion axle sleeve is arranged in to the semi-section axial region, and when the eccentric shaft rotated, the semi-section axial region promoted separation and reunion axle sleeve along axial extension reciprocating motion.

As a further improvement, be provided with the power hole on the second runner, separation and reunion axle sleeve bottom surface is provided with the supporting part, and the bottom surface of supporting part sets up the power piece, the power piece can cooperate with the power hole to realize separation and reunion axle sleeve and second runner looks interlock.

As a further improvement, the spring is installed on the axial extension portion in a sleeved manner, the upper end of the spring abuts against the bottom surface of the panel of the first runner, and the lower end of the spring is pressed against the top surface of the panel of the clutch shaft sleeve.

The technical effects of the utility model reside in that: the product of the utility model is safe and stable, and can meet the market demand; the service life is long, the precision is high, the action is reliable, the torque required by the clutch action is small, and the operation is convenient; the structure is simple, the assembly is easy, and the one-time assembly qualification rate is high; the product has good consistency and is suitable for batch production.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a right side view of the present invention.

Fig. 3 is a perspective view of the present invention.

Fig. 4 is a perspective view of the first wheel.

Fig. 5 is a perspective view of the second reel.

Fig. 6 is a perspective view of the clutch collar.

Fig. 7 is a perspective view of the eccentric shaft.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

In the drawings 1-7, the device comprises a top plate 1, a bottom plate 2, a side plate 3, a support shaft 4, a first rotating wheel 5, an axial extension part 5-1, a limiting block 5-11, a second rotating wheel 6, a power hole 6-1, a clutch shaft sleeve 7, a guide hole 7-1, a limiting groove 7-11, a support part 7-2, a power block 7-3, an eccentric shaft 8, a half-section shaft part 8-1, a torsion spring 9, a push rod 10, a limiting pin 11, a stop lever 12, a spring 13 and the like.

As shown in fig. 1 to 7, the present invention relates to a clutch device of an electric operating mechanism for a circuit breaker, which includes a top plate 1 and a bottom plate 2 arranged in parallel, a supporting shaft 4 penetrates the top plate 1 and the bottom plate 2, the supporting shaft 4 is sleeved with a first rotating wheel 5 and a second rotating wheel 6, the first rotating wheel 5 is provided with an axial extending portion 5-1, and a clutch shaft sleeve 7 is sleeved on the axial extending portion 5-1 and rotates synchronously with the first rotating wheel 5; the bottom plate 2 is further provided with a lifting operating mechanism, and the lifting operating mechanism can drive the clutch shaft sleeve 7 to axially move along the axial extension part 5-1 so as to realize the separation or connection of the clutch shaft sleeve 7 and the second rotating wheel 6.

The axially extending portion 5-1 of the first rotor 5 is supported at its bottom surface on the upper surface of the second rotor 6.

The axial extension part 5-1 is provided with a limiting block 5-11 which is arranged in an axial extension way, the clutch shaft sleeve 7 is provided with a guide hole 7-1 which is matched with the axial extension part 5-1, and the limiting block 5-11 is matched with a limiting groove 7-11 which is arranged on the clutch shaft sleeve 7.

The lifting operating mechanism comprises a side plate 3 fixed on the bottom plate 2, an eccentric shaft 8 is rotatably arranged on the side plate 3, a torsion spring 9 is sleeved on the eccentric shaft 8, one end of the torsion spring 9 is limited by a limiting pin 11 arranged on the eccentric shaft 8, and the other end of the torsion spring 9 extends into a positioning hole in the side plate 3; a push rod 10 is also vertically arranged on the eccentric shaft 8, and a stop lever 12 is arranged on the side plate 3 to limit the push rod 10; one end of the eccentric shaft 8, which is close to the clutch shaft sleeve 7, is provided with a semi-section shaft part 8-1, the semi-section shaft part 8-1 is arranged on the bottom surface of the panel of the clutch shaft sleeve 7, and when the eccentric shaft 8 rotates, the semi-section shaft part 8-1 pushes the clutch shaft sleeve 7 to reciprocate along the axial extension part 5-1.

The second rotating wheel 6 is provided with a power hole 6-1, the bottom surface of the clutch shaft sleeve 7 is provided with a supporting part 7-2, the bottom surface of the supporting part 7-2 is provided with a power block 7-3, and the power block 7-3 can be matched with the power hole 6-1 to realize the linkage of the clutch shaft sleeve 7 and the second rotating wheel 6.

The axial extension part 5-1 is sleeved with a spring 13, the upper end of the spring 13 is tightly propped against the bottom surface of the panel of the first rotating wheel 5, and the lower end of the spring 13 is tightly pressed against the top surface of the panel of the clutch shaft sleeve 7.

As shown in figures 1-7, the utility model discloses the working process of product is as follows: first runner 5, second runner 6 are installed simultaneously on back shaft 4, and eccentric shaft 8 is installed on curb plate 3, and eccentric shaft 8 can rotate around its axis, installs torsional spring 9, spacer pin 11 and push rod 10 on the eccentric shaft 8, and torsional spring 9 one end is installed in the mounting hole of curb plate 3, and the other end is fixed in spacer pin 11 one side. The torsion spring 9 causes the push rod 10 to rest on a stop lever 12 on the side plate 3.

As shown in fig. 1, in the natural state, the eccentric shaft 8 and the clutch sleeve 7 are in a non-contact state. The clutch shaft sleeve 7 is provided with an inner hole matched with the first rotating wheel 5 and can synchronously rotate along with the first rotating wheel 5. The clutch shaft sleeve 7 is pushed by the spring 13, and the power block 7-3 of the clutch shaft sleeve 7 extends into the power hole 6-1 of the second rotating wheel 6, so that the second rotating wheel 6 and the clutch shaft sleeve 7 can rotate synchronously.

As shown in figure 2, the push rod 10 is pushed, the eccentric shaft 8 rotates, thereby pushing the clutch shaft sleeve 7, the spring 13 is compressed, the power block 7-2 of the clutch shaft sleeve 7 is moved out of the power hole 6-1 of the second rotating wheel 6, and the second rotating wheel 6 and the clutch shaft sleeve 7 do not rotate synchronously any more. The push rod 10 is loosened, the push rod 10 and the eccentric shaft 8 are reset under the action of the torsion spring 9, the clutch shaft sleeve 7 is pushed by the spring 13, and the power block 7-3 extends into the power hole 6-1 of the second rotating wheel 6, so that the first rotating wheel 5 and the second rotating wheel 6 rotate synchronously.

Claims

1. A clutch device of an electric operating mechanism for a circuit breaker is characterized in that: the device comprises a top plate (1) and a bottom plate (2) which are arranged in parallel, a supporting shaft (4) penetrates through the top plate (1) and the bottom plate (2), a first rotating wheel (5) and a second rotating wheel (6) are sleeved on the supporting shaft (4), the first rotating wheel (5) is provided with an axial extension part (5-1), and a clutch shaft sleeve (7) is sleeved on the axial extension part (5-1) and synchronously rotates along with the first rotating wheel (5); the bottom plate (2) is also provided with a lifting operating mechanism which can drive the clutch shaft sleeve (7) to axially move along the axial extension part (5-1) so as to realize the separation or connection of the clutch shaft sleeve (7) and the second rotating wheel (6).

2. The clutch device of an electric operating mechanism for a circuit breaker according to claim 1, wherein: the bottom surface of the axial extension part (5-1) of the first rotating wheel (5) is supported on the upper surface of the second rotating wheel (6).

3. The clutch device of an electric operating mechanism for a circuit breaker according to claim 1, wherein: the clutch mechanism is characterized in that the axial extension part (5-1) is provided with a limiting block (5-11) which is axially extended, the clutch shaft sleeve (7) is provided with a guide hole (7-1) which is matched with the axial extension part (5-1), and the limiting block (5-11) is matched with a limiting groove (7-11) which is arranged on the clutch shaft sleeve (7).

4. The clutch device of an electric operating mechanism for a circuit breaker according to claim 1, wherein: the lifting operating mechanism comprises a side plate (3) fixed on the bottom plate (2), an eccentric shaft (8) is rotatably arranged on the side plate (3), a torsion spring (9) is sleeved on the eccentric shaft (8), one end of the torsion spring (9) is limited through a limiting pin (11) arranged on the eccentric shaft (8), and the other end of the torsion spring (9) extends into a positioning hole in the side plate (3); a push rod (10) is also vertically arranged on the eccentric shaft (8), and a stop lever (12) is arranged on the side plate (3) to limit the push rod (10); one end of the eccentric shaft (8) close to the clutch shaft sleeve (7) is provided with a semi-section shaft part (8-1), the bottom surface of a panel of the clutch shaft sleeve (7) is arranged in the semi-section shaft part (8-1), and when the eccentric shaft (8) rotates, the semi-section shaft part (8-1) pushes the clutch shaft sleeve (7) to reciprocate along the axial extension part (5-1).

5. The clutch device of an electric operating mechanism for a circuit breaker according to claim 1 or 4, wherein: the clutch mechanism is characterized in that a power hole (6-1) is formed in the second rotating wheel (6), a supporting portion (7-2) is arranged on the bottom surface of the clutch shaft sleeve (7), a power block (7-3) is arranged on the bottom surface of the supporting portion (7-2), and the power block (7-3) can be matched with the power hole (6-1) to realize linkage of the clutch shaft sleeve (7) and the second rotating wheel (6).

6. The clutch device of an electric operating mechanism for a circuit breaker according to claim 1 or 4, wherein: the axial extension part (5-1) is sleeved with a spring (13), the upper end of the spring (13) is tightly pressed against the bottom surface of the panel of the first rotating wheel (5), and the lower end of the spring (13) is tightly pressed against the top surface of the panel of the clutch shaft sleeve (7).