CN119275066B - An operating mechanism for a circuit breaker - Google Patents
An operating mechanism for a circuit breaker Download PDFInfo
- Publication number
- CN119275066B CN119275066B CN202411490304.0A CN202411490304A CN119275066B CN 119275066 B CN119275066 B CN 119275066B CN 202411490304 A CN202411490304 A CN 202411490304A CN 119275066 B CN119275066 B CN 119275066B
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- CN
- China
- Prior art keywords
- circuit breaker
- plate
- rod
- rotating
- base plate
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
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Abstract
The invention provides an operating mechanism of a circuit breaker, which belongs to the technical field of operating mechanisms of protection switches and comprises a base plate arranged on the back of a panel of an electrical cabinet, wherein a convex mounting plate is arranged on the base plate, the mounting plate enables a space for giving way to be formed between the base plate and the panel of the electrical cabinet, the base plate is connected with a supporting mounting cover through a plurality of elastic telescopic rods, an upper flitch and a lower flitch are arranged on one side of the supporting mounting cover facing the circuit breaker, a pressing space is formed between the upper flitch, the lower flitch and the supporting mounting cover, inner side plates are arranged on two sides of the supporting mounting cover, outer side plates opposite to the inner side plates are arranged on two sides of the base plate, rotating buckle assemblies are arranged on the upper end and the lower end of the two inner side plates, buckling grooves are formed on the upper end and the lower end of the two outer side plates, the rotating buckle assemblies comprise rotating seats extending to one side of the circuit breaker, rotating wheels are elastically connected to the rotating shafts, rotating shafts along the radial direction of the rotating shafts are provided with cams, and the rotating shafts are in the radial directions of the rotating shafts, and the rotating shafts are cams, and the radial sizes of the rotating shafts are gradually reduced along the direction of the pressed rotating direction of the rotating shafts.
Description
Technical Field
The invention relates to the technical field of operating mechanisms of protection switches, in particular to an operating mechanism of a circuit breaker.
Background
The operating mechanism of the circuit breaker is used for operating the circuit breaker to realize indirect switching, thereby ensuring labor-saving and convenient switching operation and improving safety. The operating mechanism of the circuit breaker is used for controlling the switching-on and switching-off operation of the circuit breaker and mainly comprises a handle and a transmission mechanism.
For example, chinese patent application CN2024106480167 discloses a switch operating mechanism of such a circuit breaker. One point in common with many circuit breaker operating mechanisms currently in mainstream is the need to mount the support mounting cover to the front face of the circuit breaker so that the front face of the circuit breaker is almost fully covered by the support mounting cover. When the circuit breaker needs to be replaced or overhauled, the operating mechanism of the circuit breaker is only detached first, so that the circuit breaker is not very convenient.
Disclosure of Invention
The invention aims to solve the technical problems and provides an operating mechanism of a circuit breaker.
The technical scheme of the invention is that the operating mechanism of the circuit breaker comprises a base plate arranged on the back of a panel of an electrical cabinet, wherein a convex mounting plate is arranged on the base plate, the mounting plate enables a yielding space to be formed between the base plate and the panel of the electrical cabinet, the base plate is connected with a supporting mounting cover through a plurality of elastic telescopic rods, an upper flitch and a lower flitch are arranged on one side of the supporting mounting cover, which faces the circuit breaker, a pressing space is formed among the upper flitch, the lower flitch and the supporting mounting cover, inner side plates are arranged on two sides of the supporting mounting cover, outer side plates opposite to the inner side plates are arranged on two sides of the base plate, rotating buckling assemblies are arranged on the upper end and the lower end of the inner side plates, and buckling grooves are formed on the upper end and the lower end of the outer side plates;
The rotating buckle assembly comprises a rotating seat extending to one side where the circuit breaker is located, a rotating wheel is elastically connected to the rotating seat in a rotating mode, a rotating rod along the radial direction of the rotating wheel is arranged on the rotating wheel, the rotating wheel is a cam, when the rotating wheel is not pressed, the rotating rod is parallel to the supporting installation cover, the maximum radius of the rotating wheel points to one side where the circuit breaker is located, the end portion of the rotating wheel, which points to one side where the circuit breaker is located, protrudes relative to the upper flitch or the lower flitch, the radius of the rotating wheel is gradually reduced along the direction opposite to the pressing rotation direction of the rotating wheel, and when the rotating wheel is pressed and rotated for 90 degrees, the end portion of the rotating wheel, which points to one side where the circuit breaker is located, is flush relative to the upper flitch or the lower flitch;
The support mounting cover is towards one side of base plate is equipped with the actuating lever, support mounting cover is towards the one side at circuit breaker place be equipped with receive actuating assembly of actuating lever drive, the actuating lever with be connected with spring assembly between the base plate, the operating hole has been seted up on the base plate, the operating lever passes the operating hole with the actuating lever cooperation, be equipped with operating handle on the operating lever, each turn buckle the subassembly around the actuating lever.
As one embodiment, the elastic telescopic rod comprises an outer rod barrel and an inner rod core, the outer rod barrel is elastically connected with the inner rod core, the outer rod barrel is connected with the base plate, and the inner rod core is connected with the support mounting cover.
As one implementation mode, two protruding blocks are arranged at the position, close to the end part, of the rotating rod, two protruding blocks are arranged at intervals, when the rotating wheel is pressed to rotate 90 degrees, the end part of the rotating rod rotates into the abdication space, and the two protruding blocks are respectively and closely contacted with two sides of the buckling groove.
As one embodiment, the operation rod is a square rod, and one end of the driving rod facing the square rod is provided with a square opening matched with the operation rod.
As one embodiment, the spring assembly includes an inner end ring connected to the driving rod, an outer end ring connected to the base plate, and a connecting tension spring connecting the inner end ring and the outer end ring.
As an implementation mode, the drive assembly is including seting up support the mouth that slides on the installation cover, slide the mouth and extend along the vertical direction, still including establishing support the installation cover towards the slide at one side at circuit breaker place, the slide with slide mouthful swing joint, the slide is close to one side of lower flitch is equipped with the spliced pole, support the installation cover and connect one side of lower flitch is equipped with the connector link, the spliced pole with be equipped with the connecting spring between the connector link, the slide is close to one side of going up the flitch has been seted up movable mouth, the movable mouth extends along the horizontal direction, support one side at installation cover place towards the circuit breaker place and be equipped with the rotating plate, the rotating plate receives the actuating lever drive, the tip of rotating plate is equipped with stretches into the drive end of movable mouth, the drive assembly is still including seting up support the switch mouth on the installation cover, the switch mouth is located two between the slip mouthful, still be equipped with the handle drive portion that supplies the handle of circuit breaker to stretch into on the slide, the handle drive portion runs through the switch mouth.
As an implementation mode, a plurality of sliding blocks are arranged in the sliding opening and are fixedly connected with the sliding plate.
As one embodiment, the connecting spring is a hook spring.
As an implementation mode, a hanging opening is formed in one side, connected with the lower flitch, of the support mounting cover, and the connecting buckle is arranged in the hanging opening.
As one implementation mode, two ends of the connecting spring are detachably connected with the connecting column and the connecting buckle respectively.
Compared with the prior art, the circuit breaker has the beneficial effects that the operating mechanism of the circuit breaker is different from the traditional operating mechanism of the circuit breaker, and the circuit breaker is covered by the operating mechanism of the circuit breaker. The operating mechanism of the circuit breaker is arranged on the back of the panel of the electric cabinet. That is, the substrate is mounted on the electrical cabinet via the mounting plate, so that a space for clearance is formed between the substrate and the electrical cabinet panel. The operation mode is different from the traditional direct rotation operation handle. Specifically, after the operation lever and the operation handle are inserted, the support mounting cover is pressed inwards to the circuit breaker. The rotating rods of the four sets of rotating buckle components rotate 90 degrees before the upper flitch and the lower flitch of the supporting mounting cover are attached to the surface of the circuit breaker, so that the rotating rods are clamped into the buckle grooves around. The supporting structure for supporting the mounting cover is locked with the base plate through the four groups of rotating buckle components, and the supporting structure is matched with the pressure between the supporting mounting cover and the circuit breaker to strengthen the supporting structure for supporting the mounting cover. Then through rotating operating handle, control the swivel plate along with the actuating lever rotates for the slide can slide from top to bottom along the mouth that slides through the cooperation of drive end and movable mouth. Because the handle of the circuit breaker extends into the handle drive, sliding of the slide controls the switching of the circuit breaker. Therefore, by changing the installation mode and the action mode of the operating mechanism of the circuit breaker, the circuit breaker is opened and uncovered when the electric cabinet is opened for maintenance.
Drawings
Fig. 1 is a first schematic assembly view of an operating mechanism of a circuit breaker and the circuit breaker according to an embodiment of the present invention;
Fig. 2 is a second schematic assembly view of an operating mechanism of a circuit breaker and the circuit breaker according to an embodiment of the present invention;
Fig. 3 is a schematic structural view of an operating mechanism of a circuit breaker according to an embodiment of the present invention.
The device comprises a base plate 1, a mounting disc 2, a yielding space 4, an elastic telescopic rod 5, a supporting mounting cover 6, an upper attaching plate 7, a lower attaching plate 8, a pressing space 9, an inner side plate 10, an outer side plate 11, a rotating buckle assembly 12, a buckling groove 13, a rotating seat 14, a rotating wheel 15, a rotating rod 16, a driving rod 17, a driving assembly 18, a spring assembly 19, an operating hole 20, an operating rod 21, an operating handle 22, an outer rod cylinder 23, an inner rod core 24, a bump 25, an inner end ring 26, an outer end ring 27, a connecting tension spring 28, a sliding port 29, a sliding plate 30, a connecting column 31, a connecting buckle 32, a connecting spring 33, a movable port 34, a rotating plate 35, a driving end 36, a switching port 37, a handle driving part 38, a sliding block 39 and a hanging port.
Detailed Description
The foregoing and other embodiments and advantages of the invention will be apparent from the following, more complete, description of the invention, taken in conjunction with the accompanying drawings. It will be apparent that the described embodiments are merely some, but not all, embodiments of the invention.
In one embodiment, as shown in fig. 1-3.
The operating mechanism of the circuit breaker provided by the embodiment comprises a base plate 1 arranged on the back of a panel of an electrical cabinet, wherein a convex mounting plate 2 is arranged on the base plate 1, a yielding space 3 is formed between the base plate 1 and the panel of the electrical cabinet by the mounting plate 2, the base plate 1 is connected with a supporting mounting cover 5 through a plurality of elastic telescopic rods 4, one side of the supporting mounting cover 5 facing the circuit breaker is provided with an upper flitch 6 and a lower flitch 7, a pressing space 8 is formed between the upper flitch 6, the lower flitch 7 and the supporting mounting cover 5, two sides of the supporting mounting cover 5 are respectively provided with an inner side plate 9, two sides of the base plate 1 are respectively provided with an outer side plate 10 opposite to the inner side plates 9, the upper end and the lower end of each inner side plate 9 are respectively provided with a rotating buckle assembly 11, and the upper end and the lower end of each outer side plate 10 are respectively provided with a buckle groove 12; the rotary buckle assembly 11 comprises a rotary seat 13 extending to one side of the breaker, the rotary seat 13 is elastically connected with a rotary wheel 14 in a rotary way, the rotary wheel 14 is provided with a rotary rod 15 along the radial direction, the rotary wheel 14 is a cam, when the rotary wheel 14 is not pressed, the rotary rod 15 is parallel to the support mounting cover 5, the maximum radius of the rotary wheel 14 points to one side of the breaker, the end part of the rotary wheel 14, which points to one side of the breaker, protrudes relative to the upper flitch 6 or the lower flitch 7, the radius of the rotary wheel 14 gradually decreases along the opposite direction of the pressed rotary direction of the rotary wheel 14, when the rotary wheel 14 is pressed and rotated for 90 degrees, the end part of the rotary wheel 14, which points to one side of the breaker, is flush with the upper flitch 6 or the lower flitch 7, one side of the support mounting cover 5, which faces towards the base plate 1, is provided with a driving rod 16, one side of the support mounting cover 5, which faces towards the breaker, is provided with a driving assembly 17 driven by the driving rod 16, a spring assembly 18 is connected between the driving rod 16 and the base plate 1, the base plate 1 is provided with an operation hole 19, the operating rod 20 passes through the operating hole 19 to be matched with the driving rod 16, an operating handle 21 is arranged on the operating rod 20, and each rotating buckle assembly 11 surrounds the driving rod 16.
In the present embodiment, the operating mechanism of the circuit breaker is different from the conventional one in that the operating mechanism is mounted on the circuit breaker to cover the circuit breaker. The operating mechanism of the circuit breaker is arranged on the back of the panel of the electric cabinet. That is, the substrate 1 is mounted on the electrical cabinet by the mounting plate 2, so that a space 3 for relief is formed between the substrate 1 and the electrical cabinet panel. The operation mode is different from the traditional direct rotation operation handle.
In the present embodiment, after the operation lever 20 and the operation handle 21 are inserted, the support mounting cover 5 is pressed inward to the circuit breaker. The swivel rods 15 of the four sets of swivel assemblies 11 are rotated through 90 degrees before the upper 6 and lower 7 plates supporting the mounting cover 5 are attached to the circuit breaker surface. Since the maximum radius of the runner 14 is directed to the side of the circuit breaker when the runner 14 is not pressed and the end of the runner 14 directed to the side of the circuit breaker is protruded with respect to the upper board 6 or the lower board 7, the radius of the runner 14 is gradually reduced in the opposite direction to the direction in which the runner 14 is pressed and rotated by 90 degrees, and the end of the runner 14 directed to the side of the circuit breaker is flush with respect to the upper board 6 or the lower board 7 when the runner 14 is pressed and rotated by 90 degrees. The pressing process thus rotates the lever 15 through 90 degrees to be caught in the catching grooves 12 around. The supporting installation cover 5 and the base plate 1 are locked through the four groups of rotating buckle assemblies 11, and the supporting structure for supporting the installation cover 5 is strengthened by matching the pressure between the supporting installation cover 5 and the circuit breaker. Then, by rotating the operation handle 21, the control rotating plate 34 rotates along with the driving rod 16, and the slide plate 29 can slide up and down along the sliding port 28 by the cooperation of the driving end 35 and the movable port 33. Because the handle of the circuit breaker extends into the handle drive 37, sliding of the sled 29 controls the switching of the circuit breaker.
In the present embodiment, the installation mode and the operation mode of the operating mechanism of the circuit breaker are changed, so that the circuit breaker is opened and uncovered when the electrical cabinet is opened for maintenance.
In one embodiment, as shown in FIG. 2.
The operating mechanism of the circuit breaker provided in this embodiment, the elastic telescopic rod 4 comprises an outer rod barrel 22 and an inner rod core 23, the outer rod barrel 22 and the inner rod core 23 are elastically connected, the outer rod barrel 22 is connected with the substrate 1, and the inner rod core 23 is connected with and supports the mounting cover 5.
In the present embodiment, the elastic telescopic rod 4 is an elastic connection structure that is formed by elastically connecting the outer rod barrel 22 and the inner rod core 23 together with the spring assembly 18, and that enables the support mounting cover 5 to be smoothly and inwardly moved when the support mounting cover 5 is pressed.
In one embodiment, as shown in fig. 2 and 3.
In the operating mechanism of the circuit breaker provided in this embodiment, two protruding blocks 24 are disposed at positions of the rotating rod 15 near the end, and when the rotating wheel 14 is pressed to rotate 90 degrees, the end of the rotating rod 15 rotates into the abdication space 3, and the two protruding blocks 24 are respectively in close contact with two sides of the buckling groove 12.
In the present embodiment, after the rotation of the rotation lever 15 by 90 degrees, the cooperation of the rotation lever 15 and the catching groove 12 forms a positional deviation that limits the possible occurrence of the support mount cover 5 in the rotation direction of the operation handle 21. The close contact of the two projections 24 with the catching groove 12 also forms a positional deviation that limits the support mounting cover 5 from possibly occurring in the parallel direction with the base plate 1. While each of the clasp assemblies 11 is disposed about the drive rod 16, it is with respect to the rotational positions of the operating rod 20 and the operating handle 21 that the support mounting cup 5 is offset to better limit the rotational movement of the operating handle 21.
In one embodiment, as shown in FIG. 2.
In the operating mechanism of the circuit breaker according to the present embodiment, the operating lever 20 is a square lever, and the driving lever 16 has a square opening facing one end of the square lever and engaging with the operating lever 20.
In the present embodiment, the lever 20 is a square lever, and its shape is more common. By inserting the operation lever 20 into the square opening of the operation lever 20 matched therewith, the rotation of the driving lever 16 can be controlled by operating the handle 21.
In one embodiment, as shown in fig. 3.
The operating mechanism of the circuit breaker provided in this embodiment, the spring assembly 18 includes an inner end ring 25, an outer end ring 26 and a connecting tension spring 27, the inner end ring 25 is connected with the driving rod 16, the outer end ring 26 is connected with the base plate 1, and the connecting tension spring 27 is connected with the inner end ring 25 and the outer end ring 26.
In the present embodiment, the spring assembly 18 is composed of an inner end ring 25, an outer end ring 26 and a connecting tension spring 27, wherein the inner end ring 25 and the outer end ring 26 mainly play a role of connecting, and are respectively used for connecting two ends of the tension spring 27 to the driving rod 16 and the base plate 1.
In one embodiment, as shown in fig. 2 and 3.
The operating device of the circuit breaker provided in this embodiment, the driving component 17 includes a sliding opening 28 formed on the supporting installation cover 5, the sliding opening 28 extends along the vertical direction, the operating device further includes a sliding plate 29 formed on one side of the supporting installation cover 5 facing the circuit breaker, the sliding plate 29 is movably connected with the sliding opening 28, a connecting post 30 is formed on one side of the sliding plate 29, which is close to the lower flitch 7, a connecting buckle 31 is formed on one side of the supporting installation cover 5, which is connected with the lower flitch 7, a connecting spring 32 is formed between the connecting post 30 and the connecting buckle 31, a movable opening 33 is formed on one side of the sliding plate 29, which is close to the upper flitch 6, the movable opening 33 extends along the horizontal direction, a rotating plate 34 is formed on one side of the supporting installation cover 5 facing the circuit breaker, the rotating plate 34 is driven by the driving rod 16, a driving end 35 extending into the movable opening 33 is formed at an end of the rotating plate 34, the driving component 17 further includes a switch opening 36 formed on the supporting installation cover 5, the switch opening 36 is located between the two sliding openings 28, a handle driving part 37 for extending into the circuit breaker is further formed on the sliding plate 29, and the handle driving part 37 penetrates through the switch opening 36.
In the present embodiment, the driving unit 17 includes a slide hole 28, a slide plate 29, a connection post 30, a connection buckle 31, a connection spring 32, a movable hole 33, a swivel plate 34, a driving end 35, a switch hole 36, a handle driving portion 37, and the like. The driving assembly 17 is driven by the driving rod 16 to control the opening and closing of the circuit breaker. Specifically, when the operating handle 21 is turned, the rotating plate 34 is controlled to rotate along with the driving rod 16, the sliding plate 29 is slidingly connected with the two sliding ports 28, and due to the cooperation of the driving end 35 and the movable port 33, the rotating plate 34 rotates to control the sliding plate 29 to move along the sliding ports 28, and finally, the switch of the circuit breaker is controlled. The connecting spring 32 connected between the connecting post 30 and the connecting buckle 31 plays a role in resetting the slide plate 29. In response, the operating handle 21 is rotated to cause the slide plate 29 to be upwardly held, thereby maintaining the current position of the slide plate 29.
In one embodiment, as shown in FIG. 2.
In the operating mechanism of the circuit breaker provided in this embodiment, a plurality of sliding blocks 38 are arranged in the sliding opening 28, and the sliding blocks 38 are fixedly connected with the sliding plate 29.
In the present embodiment, the slider 38 allows the slide plate 29 and the slide opening 28 to be slidably connected.
In one embodiment, the connecting spring 32 of the operating mechanism of the circuit breaker is a hook spring. Both ends of the connecting spring 32 are detachably connected with the connecting post 30 and the connecting buckle 31 respectively.
In one embodiment, as shown in FIG. 2.
In the operating mechanism of the circuit breaker provided in the present embodiment, a hanging opening 39 is formed on a side of the support mounting cover 5 connected to the lower board 7, and the connecting buckle 31 is disposed in the hanging opening 39.
In the present embodiment, a hanging opening 39 is formed on the side of the support mounting cover 5 connected to the lower board 7, and the hanging opening 39 provides a space for one end of the connecting spring 32 to be connected.
The above-described embodiments are provided to further explain the objects, technical solutions, and advantageous effects of the present invention in detail. It should be understood that the foregoing is only illustrative of the present invention and is not intended to limit the scope of the present invention. It should be noted that any modifications, equivalent substitutions, improvements, etc. made by those skilled in the art without departing from the spirit and principles of the present invention are intended to be included in the scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411490304.0A CN119275066B (en) | 2024-10-24 | 2024-10-24 | An operating mechanism for a circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411490304.0A CN119275066B (en) | 2024-10-24 | 2024-10-24 | An operating mechanism for a circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN119275066A CN119275066A (en) | 2025-01-07 |
| CN119275066B true CN119275066B (en) | 2025-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411490304.0A Active CN119275066B (en) | 2024-10-24 | 2024-10-24 | An operating mechanism for a circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119275066B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118231194A (en) * | 2024-05-23 | 2024-06-21 | 江苏百诺电力设备有限公司 | Switch operating mechanism of circuit breaker |
| CN118335568A (en) * | 2024-05-14 | 2024-07-12 | 明迈智能科技股份有限公司 | A positive operating mechanism for miniature circuit breaker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204189734U (en) * | 2014-09-10 | 2015-03-04 | 徐州新电高科电气有限公司 | The outer operating mechanism of box of the circuit breaker |
-
2024
- 2024-10-24 CN CN202411490304.0A patent/CN119275066B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118335568A (en) * | 2024-05-14 | 2024-07-12 | 明迈智能科技股份有限公司 | A positive operating mechanism for miniature circuit breaker |
| CN118231194A (en) * | 2024-05-23 | 2024-06-21 | 江苏百诺电力设备有限公司 | Switch operating mechanism of circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN119275066A (en) | 2025-01-07 |
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