CN113707503B - Automatic closing device of miniature circuit breaker - Google Patents
Automatic closing device of miniature circuit breaker Download PDFInfo
- Publication number
- CN113707503B CN113707503B CN202110958295.3A CN202110958295A CN113707503B CN 113707503 B CN113707503 B CN 113707503B CN 202110958295 A CN202110958295 A CN 202110958295A CN 113707503 B CN113707503 B CN 113707503B
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- Prior art keywords
- gear
- rotating shaft
- push plate
- handle
- speed reduction
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- 230000009467 reduction Effects 0.000 claims abstract description 26
- 230000033001 locomotion Effects 0.000 claims abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
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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
- H01H71/66—Power reset mechanisms
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Breakers (AREA)
Abstract
The invention relates to a novel automatic closing device of a miniature circuit breaker, which comprises the following components: one side of the push plate is provided with straight teeth, the right end of the push plate is provided with a push plate groove embedded with an arc surface, a rectangular through hole is formed in a handle body of the linkage handle, an extended arc surface is arranged on the handle body, a rotating shaft of the speed reduction motor unit is semicircular, a first plane side is arranged on the semicircle, a through hole of a gear of the speed reduction motor is a semicircular through hole, and a second plane side matched with the first plane side is arranged on the semicircular through hole; the semicircular through holes are fixed on a rotating shaft of the speed reduction motor unit, the rotating shaft is installed in a corresponding position of the breaker body, the rectangular through holes are fixed on the rotating shaft, and a gear of the speed reduction motor is meshed with the straight teeth; the gear motor unit in the driving shell moves anticlockwise to drive the gear motor gear to move, the gear motor gear drives the push plate to move rightwards through the relative motion of the gear and the straight teeth, the linkage arc surface of the push plate groove enables the linkage handle to move, and the linkage handle drives the handle to enable the breaker body to switch on through the rotating shaft, so that the automatic switching-on function of a product is completed.
Description
Technical Field
The invention relates to the technical field of circuit breakers, in particular to a novel miniature circuit breaker automatic closing device.
Background
According to the intelligent requirement of the power supply network in China, a plurality of industries require the intelligent power supply network, an automatic reclosing device is generated, and an automatic reclosing driving mechanism is an automatic device for automatically putting a circuit breaker tripped due to failure into use according to the requirement. The automatic reclosing device in the prior art is characterized in that a motor and a plurality of plastic gears are used for deceleration control switching on/off, the occupied space of the gears in a driving shell is large, the assembly is complex, the assembly efficiency is low, and the production cost is high.
Disclosure of Invention
Aiming at the problems and defects existing in the prior art, the invention provides the novel automatic switching-on device of the miniature circuit breaker, which has the advantages of simple assembly, high assembly efficiency, low production cost and small occupied driving space, and the transmission mechanism of the automatic switching-on device of the intelligent circuit breaker can control the automatic switching-on of the circuit breaker, is stable in transmission and can realize the automatic switching-on function of a product by only needing a small number of parts.
The invention solves the technical problems by the following technical proposal:
the invention provides a novel miniature circuit breaker automatic closing device which is characterized by comprising a circuit breaker body, a handle, a rotating shaft, a linkage handle, a push plate, a speed reduction motor unit, a speed reduction motor gear and a driving shell.
One side of push pedal is equipped with straight tooth, the push pedal groove that the opening was rightward has been seted up to the right-hand member of push pedal, the linkage handle includes the handle body, the rectangle through-hole has been seted up in the handle body, be equipped with the arcwall face that stretches out and push pedal groove matched with on the handle body, gear motor unit's axis of rotation is semi-circular, be equipped with first plane side on the semi-circular, gear motor unit's axis of rotation shape assorted semi-circular through-hole is for the through-hole with gear motor unit's axis of rotation shape, gear motor unit's semi-circular through-hole is equipped with first plane side assorted second plane side.
The electric power transmission device is characterized in that a speed reduction motor unit is fixed in the driving shell, a breaker body is embedded at the top of the driving shell, a semicircular through hole of a speed reduction motor gear is sleeved and fixed on a rotating shaft of the speed reduction motor unit, a first plane side of the rotating shaft of the speed reduction motor unit is attached to a second plane side of the semicircular through hole of the speed reduction motor gear, the rotating shaft is arranged at a corresponding position of the breaker body, a handle is fixed on the rotating shaft, a rectangular through hole is sleeved and fixed on the rotating shaft, an arc surface is embedded in a pushing plate groove, the pushing plate is fixed in the driving shell, and a gear of the speed reduction motor gear is meshed with a straight tooth.
The gear motor group moves anticlockwise to drive gear motor gear to move, gear motor gear passes through gear and straight tooth relative motion and promotes the push pedal to move to the right, by push pedal groove linkage arcwall face makes the linkage handle motion, the linkage handle passes through the pivot and drives the handle and makes the circuit breaker body switch-on, accomplishes the automatic switching-on function of product.
Preferably, a fixed clamping groove is fixed in the driving shell, and a speed reduction motor unit is clamped in the fixed clamping groove.
Preferably, the driving shell is internally fixed with a fixing rib, a groove which is clamped with the fixing rib is formed in the bottom of the pushing plate, and the pushing plate is fixed in the driving shell through the clamping relationship of the groove and the fixing rib.
Preferably, the number of teeth of the gear motor is the same as the number of teeth of the straight teeth.
On the basis of conforming to the common knowledge in the field, the above preferred conditions can be arbitrarily combined to obtain the preferred examples of the invention.
The invention has the positive progress effects that: the novel automatic closing device of the miniature circuit breaker is simple, the automatic closing function of a product can be realized only by a small number of parts, the parts are easy to form, the production cost is saved, the assembly is simple, the occupied space is small, and more functions can be realized inside the driving shell. And the time waste of operators can be reduced by remotely controlling the switching-on after the product is tripped abnormally.
Drawings
FIG. 1 is a schematic diagram of a switching-off structure of a novel automatic switching-on device of a miniature circuit breaker;
fig. 2 is a schematic diagram of a closing structure of the novel automatic closing device of the miniature circuit breaker;
FIG. 3 is a schematic view of a structure of a fixed slot of a drive housing for mounting a reduction motor unit;
FIG. 4 is a schematic diagram of a reduction motor unit;
FIG. 5 is a schematic diagram of a push plate structure;
FIG. 6 is a schematic diagram of a gear structure of a gear motor;
fig. 7 is a schematic view of a linkage handle structure.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 7, the present embodiment provides a novel automatic closing device for a miniature circuit breaker, which includes a circuit breaker body 1, a handle 2, a rotating shaft 3, a linkage handle 4, a push plate 5, a speed reduction motor group 6, a speed reduction motor gear 7 and a driving housing 8.
As shown in fig. 3, a fixing slot 81 and a fixing rib 82 are fixed in the driving housing 8.
As shown in fig. 4, the rotation shaft of the reduction motor unit 6 is semicircular, and a first plane side 61 is provided on the semicircular.
As shown in fig. 5, a straight tooth 52 is disposed on one side of the push plate 5, a push plate groove 51 with a rightward opening is disposed at the right end of the push plate 5, and a groove 53 engaged with the fixing rib 82 is disposed at the bottom of the push plate 5.
As shown in fig. 6, the through hole of the gear motor gear 7 is a semicircular through hole 71 matching with the shape of the rotation shaft of the gear motor unit 6, the semicircular through hole 71 of the gear motor gear 7 is provided with a second plane side 72 matching with the first plane side 61, and the number of teeth of the gear motor gear 7 is the same as the number of teeth of the straight teeth 52 of the push plate 5.
As shown in fig. 7, the linkage handle 4 includes a handle body 43, a rectangular through hole 41 is formed in the handle body 43, and an arcuate surface 42 that extends out and mates with the push plate slot 51 is disposed on the handle body 43.
The fixed draw-in groove 81 internal joint of drive housing is fixed with gear motor group 6, the top of drive housing 8 is inlayed and is equipped with circuit breaker body 1, gear motor gear 7's semicircular through-hole 71 cover is established and is fixed in gear motor group 6's axis of rotation, gear motor gear 7's the first plane side 61 of axis of rotation and gear motor gear 7's semicircular through-hole's second plane side 72 laminating mutually, the corresponding position of circuit breaker body 1 is packed into to pivot 3, be fixed with handle 2 on the pivot 3, rectangular through-hole 41 cover is established and is fixed on pivot 3, arcwall face 42 inlays and locates in push pedal groove 51, push pedal 5 passes through the card of groove 53 and fixed muscle 82 and joins in marriage the relation and fix in drive housing 8, gear motor gear 7's gear meshes with straight tooth 52.
The gear motor group 6 moves anticlockwise to drive the gear motor gear 7 to move, the gear motor gear 7 pushes the push plate 5 to move rightwards through the relative movement of the gear and the straight teeth 52, the push plate groove 51 is linked with the arc-shaped surface 42 to enable the linkage handle 4 to move, the linkage handle 4 drives the handle 2 through the rotating shaft 3 to enable the breaker body 1 to be switched on, and the automatic switching-on function of a product is completed (see fig. 2).
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that these are by way of example only, and the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the invention, but such changes and modifications fall within the scope of the invention.
Claims (2)
1. The automatic closing device of the miniature circuit breaker is characterized by comprising a circuit breaker body, a handle, a rotating shaft, a linkage handle, a push plate, a speed reduction motor unit, a speed reduction motor gear and a driving shell;
the gear-driven gear is characterized in that a straight tooth is arranged on one side of the push plate, a push plate groove with an opening to the right is formed in the right end of the push plate, the linkage handle comprises a handle body, a rectangular through hole is formed in the handle body, an arc-shaped surface which extends out and is matched with the push plate groove is arranged on the handle body, the rotating shaft of the gear-driven motor unit is semicircular, a first plane side is arranged on the semicircle, a through hole of the gear-driven motor is a semicircular through hole matched with the rotating shaft of the gear-driven motor unit in shape, and a second plane side matched with the first plane side is arranged on the semicircular through hole of the gear-driven motor;
the driving shell is internally fixed with a speed reduction motor unit, the top of the driving shell is embedded with a breaker body, a semicircular through hole of a speed reduction motor gear is sleeved and fixed on a rotating shaft of the speed reduction motor unit, a first plane side of the rotating shaft of the speed reduction motor unit is attached to a second plane side of the semicircular through hole of the speed reduction motor gear, the rotating shaft is arranged in a corresponding position of the breaker body, a handle is fixed on the rotating shaft, the rectangular through hole is sleeved and fixed on the rotating shaft, an arc surface is embedded in a pushing plate groove, the pushing plate is fixed in the driving shell, and a gear of the speed reduction motor gear is meshed with a straight tooth;
the speed reducing motor group moves anticlockwise to drive a speed reducing motor gear to move, the speed reducing motor gear drives the push plate to move rightwards through relative movement of the gear and the straight teeth, the push plate groove is linked with the arc surface to enable the linkage handle to move, and the linkage handle drives the handle to enable the breaker body to switch on through the rotating shaft to complete an automatic switching-on function of a product;
the driving shell is internally fixed with a fixing rib, the bottom of the push plate is provided with a groove which is clamped with the fixing rib, and the push plate is fixed in the driving shell through the clamping relationship of the groove and the fixing rib;
the number of teeth of the gear motor is the same as the number of teeth of the straight teeth.
2. The automatic closing device of miniature circuit breaker according to claim 1, wherein a fixed slot is fixed in the driving housing, and a speed reducing motor group is clamped in the fixed slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110958295.3A CN113707503B (en) | 2021-08-20 | 2021-08-20 | Automatic closing device of miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110958295.3A CN113707503B (en) | 2021-08-20 | 2021-08-20 | Automatic closing device of miniature circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113707503A CN113707503A (en) | 2021-11-26 |
| CN113707503B true CN113707503B (en) | 2023-11-28 |
Family
ID=78653852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110958295.3A Active CN113707503B (en) | 2021-08-20 | 2021-08-20 | Automatic closing device of miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113707503B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202816826U (en) * | 2012-05-21 | 2013-03-20 | 刘永华 | Manual and automatic reclosing lock integrated device of intelligent residual current circuit breaker |
| CN104916509A (en) * | 2015-06-19 | 2015-09-16 | 浙江天正电气股份有限公司 | Circuit breaker |
| CN204905184U (en) * | 2015-08-31 | 2015-12-23 | 上海飞世龙电力设备有限公司 | A divide -shut brake mechanism for miniature circuit breaker |
| CN112927995A (en) * | 2021-03-21 | 2021-06-08 | 江苏斯菲尔电气股份有限公司 | Automatic switching-on and switching-off device of intelligent circuit breaker |
-
2021
- 2021-08-20 CN CN202110958295.3A patent/CN113707503B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202816826U (en) * | 2012-05-21 | 2013-03-20 | 刘永华 | Manual and automatic reclosing lock integrated device of intelligent residual current circuit breaker |
| CN104916509A (en) * | 2015-06-19 | 2015-09-16 | 浙江天正电气股份有限公司 | Circuit breaker |
| CN204905184U (en) * | 2015-08-31 | 2015-12-23 | 上海飞世龙电力设备有限公司 | A divide -shut brake mechanism for miniature circuit breaker |
| CN112927995A (en) * | 2021-03-21 | 2021-06-08 | 江苏斯菲尔电气股份有限公司 | Automatic switching-on and switching-off device of intelligent circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113707503A (en) | 2021-11-26 |
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