CN210073744U - Circuit breaker and operating mechanism thereof - Google Patents

Abstract

The utility model provides a circuit breaker and operating mechanism thereof for the floodgate that opens and shuts of manipulation circuit breaker, include: the energy storage device comprises a handle, a transmission assembly and an energy storage assembly, wherein a poking plate is arranged at the bottom of the handle; the transmission assembly comprises a long bent plate which is pushed against the poking plate, a first pawl which is driven by the long bent plate to rotate, and a gear which is driven by the first pawl to rotate, wherein the first pawl is hinged with the middle section of the long bent plate; the energy storage assembly is rotationally connected with the gear and stores the rotational energy of the gear. The utility model provides a circuit breaker and operating mechanism thereof drives the rotation of dialling the board by the handle, thereby the removal that the dialling the board can promote the long bent plate promotes the removal of first pawl to rotate by first pawl drive gear, rotation during gear revolve can be stored by energy storage component, only uses a handle both can realize the floodgate operation that opens and shuts of circuit breaker, and makes the structure of whole device simpler, has practiced thrift material and cost.

Description

Circuit breaker and operating mechanism thereof

Technical Field

The utility model relates to a power transmission's technical field, concretely relates to circuit breaker and operating mechanism thereof.

Background

The circuit breaker is an important switch device in the power system, is responsible for the double tasks of controlling and protecting the circuit, and the performance of the circuit breaker is one of important factors for determining whether the power system can safely supply power. The circuit breakers are all provided with operating mechanisms, and the opening and closing of the circuit breakers are controlled through the operating mechanisms.

At present, the handle of the existing DW15-1600 product comprises an inner handle and an outer handle, wherein the inner handle is arranged inside the circuit breaker, the inner handle and the outer handle are combined to store energy and switch on, but the mode of combining the inner handle and the outer handle is adopted to realize switch on and switch off, the quality of the inner handle and the quality of the outer handle are both higher, the quality control point of the product is increased, and therefore, the quality risk is increased, and certain troubles are caused in assembly and customer use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circuit breaker and operating mechanism thereof to solve the mode that adopts interior handle and outer handle to combine together among the prior art, increased the quality control point of product, consequently more the quality risk, all cause troublesome technical problem in assembly and use.

In order to achieve the above object, the utility model adopts the following technical scheme: an operating mechanism is provided for operating an opening and closing brake of a circuit breaker, comprising: the energy storage device comprises a handle, a transmission assembly and an energy storage assembly, wherein a poking plate is arranged at the bottom of the handle; the transmission assembly comprises a long bent plate pushed against the poking plate, a first detent driven by the long bent plate to rotate and a gear driven by the first detent to rotate, and the first detent is hinged with the middle section of the long bent plate; the energy storage assembly is in rotating connection with the gear and stores the rotating energy of the gear.

Further, the handle comprises a fixing plate for mounting the handle and the transmission assembly.

Further, the toggle plate comprises a fixing part fixedly connected with the handle and a bending part rotatably abutted against the long bending plate, and the middle section of the fixing part is rotatably connected with the fixing plate.

Furthermore, an included angle is formed between the bending part and the fixing part, and the included angle is larger than 90 degrees and smaller than 180 degrees.

Furthermore, the long bending plate comprises a first bending plate and a second bending plate which are fixedly connected, an included angle is formed between the first bending plate and the second bending plate, one end, far away from the second bending plate, of the first bending plate is rotatably connected with the fixed plate, one end, far away from the first bending plate, of the second bending plate is rotatably connected with the fixed plate, and the joint of the first bending plate and the second bending plate is rotatably connected with the first pawl.

Furthermore, the first bending plate is abutted to the bending part, and the length of the first bending plate is smaller than that of the second bending plate.

Furthermore, an eccentric wheel fixedly connected with a driving piece is further arranged on one side of the second bending plate, and the outer edge of the eccentric wheel is abutted against the second bending plate.

Further, a second latch is included that prevents rotation of the gear, the second latch engaging the gear.

Furthermore, the energy storage assembly comprises a cam and a rotating shaft arranged on the cam and fixedly connected with the elastic piece, and a transmission shaft fixedly connected with the center of the base circle of the cam is further arranged at the center of the gear.

The utility model also discloses a circuit breaker, include as above operating mechanism.

The utility model provides a circuit breaker and operating mechanism's beneficial effect lies in: compared with the prior art, the utility model discloses circuit breaker and operating mechanism thereof, drive the rotation of dialling the board by the handle, thereby it can promote the removal of the first pawl of promotion of long bent plate to dial the board, and rotate by first pawl drive gear, rotation energy during gear revolve is stored by energy storage component, and can be with the energy release of storage when switching on or closing a floodgate, thereby can reach the effect of self return, only use a handle both can realize the floodgate operation that opens and shuts of circuit breaker, and make the structure of whole device simpler, not only the assembly is more convenient, and material and cost have been practiced thrift.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic top view of an operating mechanism according to an embodiment of the present invention;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

fig. 3 is a schematic perspective view of a first operating mechanism according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of a second embodiment of the present invention.

Description of reference numerals:

1. a handle; 2. a transmission assembly; 3. an energy storage assembly; 4. a fixing plate; 5. an eccentric wheel; 6. a second catch; 11. a poking plate; 111. a fixed part; 112. a bending part; 21. a long bending plate; 22. a first pawl; 23. a gear; 211. a first bent plate; 212. a second bent plate; 31. a cam; 32. a rotating shaft; 33. a drive shaft.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 to 4, the operation mechanism of the present invention will now be described. The operating mechanism is used for operating the switching brake of the circuit breaker, and comprises: the energy storage device comprises a handle 1, a transmission assembly 2 and an energy storage assembly 3, wherein a poking plate 11 is arranged at the bottom of the handle 1; the transmission assembly comprises a long bent plate 21 which is pushed against the poking plate 11, a first latch 22 driven by the long bent plate 21 to rotate, and a gear 23 driven by the first latch 22 to rotate, wherein the first latch 22 is hinged with the middle section of the long bent plate 21; the energy storage assembly 3 is in rotational connection with the gear 23 and stores the rotational energy of the gear 23.

The utility model provides an operating mechanism, compared with the prior art, drive the rotation of stirring board 11 by handle 1, thereby stirring board 11 can promote the removal of long bent plate 21 and promote the removal of first pawl 22, and rotate by first pawl 22 drive gear 23, rotation when gear 23 rotates can be stored by energy storage component 3, and can release the energy of storage when switching on or closing a floodgate, thereby can reach the effect of self return, only use a handle 1 both can realize the switching on operation of circuit breaker, and make the structure of whole device simpler, not only the assembly is more convenient, and material and cost have been practiced thrift.

Further, please refer to fig. 1 to fig. 4, which are specific embodiments of the operating mechanism of the present invention, further including a fixing plate 4 for mounting the handle 1 and the transmission assembly 2. Specifically, fixed plate 4 is used for supporting handle 1 and transmission assembly 2, and fixed plate 4 sets up on a fixing device, and handle 1 is located the outside of circuit breaker, and handle 1 is changed into alone handle 1 by the interior handle 1 among the prior art and adds the outer handle 1 matched with mode and both can realize controlling, and transmission assembly 2 fixes on fixed plate 4 to realize the cooperation between handle 1 and the transmission assembly 2 and connect. Of course, according to practical situations and specific requirements, in other embodiments of the present invention, the fixing plate 4 may also be any fixing plane inside the circuit breaker, and is not limited herein.

Further, referring to fig. 1 to 4, as a specific embodiment of the operating mechanism of the present invention, the toggle plate 11 includes a fixing portion 111 fixedly connected to the handle 1 and a bending portion 112 rotatably connected to the long bending plate 21, and a middle portion of the fixing portion 111 is rotatably connected to the fixing plate 4. Specifically, the poker rod is used for with long bent plate 21 looks butt, and can drive long bent plate 21's removal, and bend portion 112 and extend by fixed part 111 and bend after certain angle and form, the junction and the fixed plate 4 of fixed part 111 and portion 112 of bending rotate and be connected, thereby make handle 1 when reciprocating, bend portion 112 can rotate along fixed part 111 and the junction circumference of portion 112 of bending, the one end of long bent plate 21 and the portion 112 looks butt of bending, thereby drive when portion 112 of bending rotates and rotate, long bent plate 21 is the plate body of bending, when the one end of long bent plate 21 rotates, first pawl 22 of fixing on long bent plate 21 also can take place to remove, thereby toggle gear 23's rotation, can realize manual switching floodgate operation.

Further, referring to fig. 1 to 4, as a specific embodiment of the operating mechanism of the present invention, an included angle is formed between the bending portion 112 and the fixing portion 111, and the included angle is greater than 90 degrees and smaller than 180 degrees. Specifically, the shape of the toggle plate 11 is "hook", when the included angle between the bending portion 112 and the fixing portion 111 is an obtuse angle, the long bending plate 21 can be better driven to rotate, and when the long bending plate 21 is driven to move by the way of abutting against the bending portion 112, the long bending plate 21 does not drive the handle 1 to move when the motor drives the long bending plate to move, so that the swing of the handle 1 during the electric control is avoided.

Further, please refer to fig. 1 to 4, as a specific embodiment of the operating mechanism provided by the present invention, the long bending plate 21 includes a first bending plate 211 and a second bending plate 212 which are fixedly connected, an included angle is formed between the first bending plate 211 and the second bending plate 212, one end of the first bending plate 211, which is far away from the second bending plate 212, is rotatably connected to the fixing plate 4, one end of the second bending plate 212, which is far away from the first bending plate 211, is rotatably connected to the fixing plate 4, and a joint of the first bending plate 211 and the second bending plate 212 is rotatably connected to the first latch 22. Specifically, the long bending plate 21 is in a v-shape, an included angle is formed between the first bending plate 211 and the second bending plate 212, the included angle is generally 60 to 150 degrees, and two ends of the whole long bending plate 21 are respectively rotatably connected with the fixed plate 4, so that the joint between the first bending plate 211 and the second bending plate 212 can swing, and then the first pawl 22 is driven to swing, and then the gear 23 is driven to rotate.

Further, referring to fig. 1 to 4, as a specific embodiment of the operating mechanism of the present invention, the first bending plate 211 abuts against the bending portion 112, and the length of the first bending plate 211 is smaller than the length of the second bending plate 212. Specifically, the first bending plate 211 is driven by the friction force of the bending portion 112 to rotate relatively, the second bending plate 212 is long and can reserve a space for installing a motor, and the first bending plate 211 is short and can reduce the connecting arm of the first bending plate 211 to avoid the overlarge movable area of the handle 1, so that the work of other equipment is influenced, and the first pawl 22 can be driven to move only by pulling the small space. Of course, according to practical situations and specific requirements, in other embodiments of the present invention, the lengths of the first bending plate 211 and the second bending plate 212 may be the same, and are not limited herein.

Further, referring to fig. 1 to 4, as a specific embodiment of the operating mechanism provided by the present invention, an eccentric wheel 5 for being fixedly connected with a driving member is further disposed on one side of the second bending plate 212, and an outer edge of the eccentric wheel 5 abuts against the second bending plate 212. Concretely, the driving piece refers to the rotation driving pieces such as motor or motor, eccentric wheel 5 rotates and fixes on fixed plate 4, and eccentric wheel 5 can rotate relatively on fixed plate 4 under the drive of driving piece, the outer fringe of eccentric wheel 5 can be with the inboard looks butt of second bent plate 212, second bent plate 212 can move under the drive of eccentric wheel 5, then take the junction realization swing of whole first bent plate 211 and second bent plate 212, then can drive the swing of first pawl 22, make gear 23 can rotate under the drive of first pawl 22, thereby drive the rotation of energy storage component 3, realize the energy storage, this is electronic realization energy storage and the floodgate that opens and shuts, its installation convenient assembling, electronic and manual same operating mechanism that shares, the structure is simpler, and electronic operation and manual operation can not mutual interference. Of course, according to practical situations and specific requirements, in other embodiments of the present invention, the electric operation may be a rotation driving member such as a motor directly driving the long bending plate 21 to rotate, which is not limited herein.

Further, referring to fig. 1 to 4, as an embodiment of the present invention, the operating mechanism further includes a second latch 6 for preventing the gear 23 from rotating, and the second latch 6 is engaged with the gear 23. Specifically, second latch 6 is used to prevent reverse rotation of gear 23, so as to protect gear 23 and ensure smooth energy storage operation, wherein second latch 6 is directly and rotationally fixed on one side of gear 23. Of course, according to the actual conditions and to specific requirements, in other embodiments of the invention, the second pawl 6 can also be fixed to one side of the first pawl 22, without being limited solely here.

Further, referring to fig. 1 to 4, as a specific embodiment of the operating mechanism provided by the present invention, the energy storage assembly 3 includes a cam 31 and a rotating shaft 32 disposed on the cam 31 and fixedly connected to the elastic member, and a transmission shaft 33 fixedly connected to a base circle center of the cam 31 is further disposed at a center of the gear 23. Specifically, the center of the cam 31 is connected with the center of the gear 23 through a transmission shaft 33, the rotation of the gear 23 is transmitted to the rotation of the cam 31 through the transmission shaft 33, the rotating shaft 32 is arranged at the outer edge of the cam 31 and realizes circumferential rotation, the elastic member is sleeved on the rotating shaft 32, one end of the elastic member is fixedly connected with the rotating shaft 32, and the other end of the elastic member is fixed on a fixing member, so that the stretching and the contraction are realized under the driving of the rotation of the cam 31, and the operation of energy storage is realized.

Further, as a specific embodiment of the present invention, the cross-sectional shape of the transmission shaft 33 is a square. Specifically, the shape of cross section is square, and all offers the through-hole that is used for holding this transmission shaft 33 on gear 23 and the cam 31 to make gear 23 and cam 31 can synchronous rotation, adopt square transmission shaft 33 can prevent to take place relative rotation between gear 23 and the transmission shaft 33, guaranteed the pivoted transmission. Of course, in other embodiments of the present invention, the cross section of the transmission shaft 33 may be other non-circular shapes, which are only limited herein, according to the actual situation and the specific requirement.

Referring to fig. 1 to 4, the present invention further provides a circuit breaker, which includes the operating mechanism according to any of the above embodiments.

The utility model provides a circuit breaker, drive the rotation of stirring board 11 by handle 1, thereby stirring board 11 can promote the removal of first pawl 22 of promotion of long bent plate 21, and rotate by first pawl 22 drive gear 23, rotation when gear 23 rotates can be stored by energy storage component 3, and can be with the energy release of storage when switching on or closing a floodgate, thereby can reach self return's effect, only use the floodgate operation that opens and shuts of a handle 1 both can realize the circuit breaker, and make the structure of whole device simpler, not only the assembly is more convenient, and material and cost have been practiced thrift.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. The operating mechanism for the switching floodgate that opens and shuts of operation circuit breaker, its characterized in that includes:

the handle (1), the bottom of the handle (1) is provided with a poking plate (11);

the transmission assembly (2) comprises a long bent plate (21) which is pushed against the poking plate (11), a first latch (22) driven by the long bent plate (21) to rotate, and a gear (23) driven by the first latch (22) to rotate, wherein the first latch (22) is hinged with the middle section of the long bent plate (21); and

the energy storage assembly (3), the energy storage assembly (3) with gear (23) rotate and be connected and save the rotational energy of gear (23).

2. The actuator of claim 1, wherein: the handle is characterized by further comprising a fixing plate (4) used for mounting the handle (1) and the transmission assembly (2).

3. The actuator of claim 2, wherein: the poking plate (11) comprises a fixing part (111) fixedly connected with the handle (1) and a bending part (112) rotatably abutted to the long bending plate (21), and the middle section of the fixing part (111) is rotatably connected with the fixing plate (4).

4. The actuator of claim 3, wherein: an included angle is formed between the bending part (112) and the fixing part (111), and the included angle is larger than 90 degrees and smaller than 180 degrees.

5. The actuator of claim 3, wherein: the long bending plate (21) comprises a first bending plate (211) and a second bending plate (212) which are fixedly connected, an included angle is formed between the first bending plate (211) and the second bending plate (212), one end, away from the second bending plate (212), of the first bending plate (211) is rotatably connected with the fixing plate (4), one end, away from the first bending plate (211), of the second bending plate (212) is rotatably connected with the fixing plate (4), and the joint of the first bending plate (211) and the second bending plate (212) is rotatably connected with the first pawl (22).

6. The actuator of claim 5, wherein: the first bending plate (211) is abutted to the bending part (112), and the length of the first bending plate (211) is smaller than that of the second bending plate (212).

7. The actuator of claim 5, wherein: one side of the second bending plate (212) is also provided with an eccentric wheel (5) fixedly connected with a driving piece, and the outer edge of the eccentric wheel (5) is abutted against the second bending plate (212).

8. The actuator of any one of claims 1 to 7, wherein: and the gear (23) is prevented from rotating, and the second latch (6) is clamped with the gear (23).

9. The actuator of any one of claims 1 to 7, wherein: the energy storage assembly (3) comprises a cam (31) and a rotating shaft (32) arranged on the cam (31) and fixedly connected with the elastic piece, and a transmission shaft (33) fixedly connected with the center of the base circle of the cam (31) is further arranged at the center of the gear (23).

10. The circuit breaker, its characterized in that: comprising an actuator according to any of claims 1 to 9.

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