CN206148302U - Miniature circuit breaker and transmission case group thereof - Google Patents
Miniature circuit breaker and transmission case group thereof Download PDFInfo
- Publication number
- CN206148302U CN206148302U CN201621058962.3U CN201621058962U CN206148302U CN 206148302 U CN206148302 U CN 206148302U CN 201621058962 U CN201621058962 U CN 201621058962U CN 206148302 U CN206148302 U CN 206148302U
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- gear
- motor
- transmission case
- case assembly
- worm
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 81
- 241000237858 Gastropoda Species 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 210000000515 tooth Anatomy 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000202814 Cochliomyia hominivorax Species 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
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Abstract
The utility model discloses a miniature circuit breaker and transmission case group thereof, transmission case group is including exporting the worm, and miniature circuit breaker includes the motor, and the output worm includes the worm axle, and the motor includes motor output shaft, wherein, still including connecting the gear train between motor output shaft and worm axle, through being parallel to each other between gear train motor output shaft and the worm axle and the setting of an adjacent interval. The utility model discloses a transmission case group and including this transmission case group's miniature intelligent circuit breaker, small, the transmission is reliable, guarantees the whole size of the miniature circuit breaker regulation of conforming to the standard.
Description
Technical field
The utility model is related to a kind of miniature circuit breaker, is the miniature open circuit for being related to a kind of more compact structure specifically
The transmission case assembly of device.
Background technology
Miniature circuit breaker is widest a kind of terminal protection electrical equipment used in architectural electricity terminal power distribution draws.It is miniature
Breaker is made up of close/open machine, contact, protection device, arc quenching system etc..Its operation principle is：It is (de- using protection device
Button device) and electrical current heat component realization overload and short-circuit protection, when the electric current that the coil in electrical current heat component passes through is more than setting
During current value, the dynamic iron core action of magnetictrip promotes strike bar to clash into operating mechanism, unlocks operating mechanism, makes open circuit
Device separating brake and then disconnecting circuit, so as to realize the overload to circuit and short-circuit protection.After fault is discharged, then by division
Brake mechanism carries out closing operation so as to connect circuit.At present, most miniature circuit breaker that China uses now is manual division
Lock formula, manually stir close/open machine just can carry out make-break operation to circuit.Manual divide-shut brake formula miniature circuit breaker is tied
Structure is simple, with low cost and does not need extra electric energy, thus breaking-closing operating can be carried out in the case of without electric energy,
In being widely used in old electrical network.
But with the development of science and technology, intelligent appliance has obtained increasingly being widely applied, as protection electrical equipment
Common miniature circuit breaker, is also badly in need of installing intelligence control system additional.In order to common miniature with wide variety of manual divide-shut brake formula
Breaker matches, and now, mainly increasing one newly in common miniature circuit breaker side can be with the open circuit of the intelligent micro of remotely control
Device, intelligent miniature circuit breaker drives other common miniature circuit breakers to carry out breaking-closing operating according to input control signal.
《The external Circuit breaker technology specification of electric energy meter》In strict specification carried out to the appearance and size of breaker limited, its
In, restriction intelligent micro-circuit breaker is consistent with the outer shape and size of common miniature circuit breaker, to ensure the consistent of outward appearance
Property, and conveniently carry out large-scale circuit breaker terminal equipment replacement.
But, the size of the intelligent micro-circuit breaker of prior art is typically big than common miniature circuit breaker size, in profile
Also it is inconsistent, it is impossible to directly to use, carry out adaptability reform, early stage using front infrastructure device that need to be first to placing miniature circuit breaker
Input is big, long in time limit, is unfavorable for that intelligent grid advances process.
The axial dimension of the transmission case assembly of intelligent micro-circuit breaker is generally individually larger in prior art, and for example notification number is
CN205211619U and the Chinese patent that notification number is CN205028865U, it is directly connected using motor with worm screw, snail
Bar drives the technical scheme of linkage unit, and axial dimension is directly superimposed, in turn result in the appearance and size of intelligent micro-circuit breaker without
Method meets code requirement.
Utility model content
The purpose of this utility model is to solve the problems, such as that the transmission case assembly of existing intelligent micro-circuit breaker is oversized,
A kind of transmission case assembly and the intelligent miniature breaker including the transmission case assembly, small volume, reliable transmission are provided.
To achieve these goals, transmission case assembly of the present utility model includes output worm screw, is connected to a miniature open circuit
On device, the miniature circuit breaker includes motor, and the output worm screw includes worm shaft, and the motor includes motor output shaft, its
In, also including the gear train being connected between the motor output shaft and worm shaft, exported by motor described in the gear train
It is parallel to each other between axle and worm shaft and an adjacent interval setting.
In one embodiment of above-mentioned transmission case assembly, the motor output shaft is setting up and down with worm shaft or left and right sets
Put.
In one embodiment of above-mentioned transmission case assembly, it is characterised in that the gear train includes：
Motor gear, is fixedly connected on the motor output shaft；
First gear, is circumferentially movably connected on the worm shaft；
Second gear, is circumferentially movably connected on the motor output shaft；And
3rd gear, is fixedly connected on the worm shaft；
Wherein, the motor output shaft drives the motor gear to rotate, and the motor gear drives the first gear
Rotate, the first gear drives the second gear to rotate, the second gear drives the 3rd pinion rotation, described the
Worm shaft described in three gear drivens.
In one embodiment of above-mentioned transmission case assembly, the output worm screw has helical tooth.
In one embodiment of above-mentioned transmission case assembly, also including transmission housing, the transmission housing becomes including first
Fast case shell and the second transmission housing, first transmission housing and the second transmission housing be connected with by the motor gear,
One to the 3rd gear and output worm screw are placed in one.
In one embodiment of above-mentioned transmission case assembly, the transmission housing has what is penetrated for the motor output shaft
By hole.
In one embodiment of above-mentioned transmission case assembly, the transmission housing has the projection for placing the output worm screw
Portion.
In one embodiment of above-mentioned transmission case assembly, the lug boss has dew corresponding to the position of the helical tooth
Portal.
In one embodiment of above-mentioned transmission case assembly, between the first gear and the worm shaft, described second
It is that gap coordinates between gear and the motor output shaft.
Miniature circuit breaker of the present utility model, including shell, motor, transmission case assembly and the component that is connected, the electricity
Machine, transmission case assembly and the component that is connected are respectively arranged at the inside the shell, wherein, the transmission case assembly is above-mentioned change
Fast box assembly, be connected described in the output worm drive component.
Beneficial functional of the present utility model is, the transmission case assembly that miniature circuit breaker of the present utility model is adopted, structure
It is compact, take up room little, it is ensured that miniature circuit breaker overall dimensions are conformed to the standard regulation.
The utility model is described in detail below in conjunction with the drawings and specific embodiments, but not as to the utility model
Restriction.
Description of the drawings
Fig. 1 is the exploded view of the transmission case assembly of miniature circuit breaker of the present utility model；
Fig. 2 is the constitutional diagram of the transmission case assembly of miniature circuit breaker of the present utility model；
Fig. 3 is the constitutional diagram that the transmission case assembly of miniature circuit breaker of the present utility model removes transmission housing.
Wherein, reference
100 motors
111 motor output shafts
200 transmission case assemblies
210 output worm screws
211 worm shafts
212 helical tooths
220 gear trains
221 motor gears
222 first gears
223 second gears
224 the 3rd gears
230 pin connection parts
240 transmission housings
241 first transmission housings
242 second transmission housings
243 pass through hole
244 lug bosses
245 exposed hole
250 rivets
Specific embodiment
Below in conjunction with the accompanying drawings technical solutions of the utility model are described in detail with specific embodiment, with further
Understand the purpose of this utility model, scheme and effect, but be not intended as the limit of the utility model scope of the appended claims
System.
Transmission case assembly of the present utility model is applied in miniature circuit breaker, and gearbox is three-step gear shift, is designed at two
On axle.As shown in Figure 1 to Figure 3, transmission case assembly 200 includes output worm screw 210 and gear train 220, and output worm screw 210 includes snail
Bar axle 211.Miniature circuit breaker includes motor 100, and motor 100 includes motor output shaft 111.Gear train 220 is connected to motor 100
Motor output shaft 111 and output worm screw 210 worm shaft 211 between, so that the output of motor 100 to be moved by gear train 220
Power is transferred to export worm screw 210.By gear train 220, the motor output shaft 111 of motor 100 and the worm shaft of output worm screw 210
It is parallel to each other between 211 and an adjacent interval setting.The utility model relative to output worm screw worm shaft directly with motor
The connected version of motor output shaft, reduces axial distance, is reduced miniature circuit breaker appearance and size.
Wherein, as shown in figures 1 and 3, the motor output shaft 111 of motor 100 can with the worm shaft 211 of output worm screw 210
With setting up and down, or can also left and right arrange.
Specifically, gear train 220 includes motor gear 221, first gear 222, the gear 224 of second gear 223 and the 3rd.
Motor gear 221 is fixedly connected on the motor output shaft 111 of motor 100.First gear 222 is circumferential to be movably connected in output snail
On the worm shaft 211 of bar 220.Second gear 223 is circumferential to be movably connected on the motor output shaft 111 of motor 100.3rd gear
224 are fixedly connected on the worm shaft 211 of output worm screw 220.
Can be matched somebody with somebody using gap between first gear 222 and worm shaft 211, between second gear 223 and motor output shaft 111
Close.
Wherein, the drive motor gear 221 of motor output shaft 111 of motor 100 is rotated, and motor 100 is rotated and do not drive
Two gears 223 are rotated.Motor gear 221 coordinates with first gear 222, so as to motor gear 221 drives 222 turns of first gear
Dynamic, first gear 222 rotates and do not drive worm shaft 211 and rotate.First gear 222 coordinates with second gear 223, so as to first
Gear 222 drives second gear 223 to rotate.Second gear 223 coordinates with the 3rd gear 224, so as to second gear 223 drives the
Three gears 224 are rotated.3rd gear 223 is fixed on worm shaft 211 by pin connection part 230, so as to the 3rd gear 224 drives
The worm shaft 211 of output worm screw 210 is rotated.Output worm screw 210 rotates and drives other structures (be connected component) to rotate or move
It is dynamic, play the purpose of combined floodgate (tripping operation).
As shown in figure 3, output worm screw 210 has the helical tooth 212 on worm shaft 211, output screw 210 passes through spiral shell
Rotation tooth 212 drives other structures to rotate or mobile.
As depicted in figs. 1 and 2, transmission case assembly 200 also includes transmission housing 240, and transmission housing 240 includes the first speed change
The transmission housing 242 of case shell 241 and second, the first transmission housing 241 and the second transmission housing 242 are connected with by gear train 220
Motor gear 221, first gear 222, second gear 223, the 3rd gear 224 and output worm screw 210 be placed in one.Its
In, the first transmission housing 241 and the second transmission housing 242 for example can be riveted by rivet 250, and side known to other may also be employed
Formula connects.
Specifically, transmission housing 240 have power supply machine 100 motor output shaft 111 penetrate by hole 243, by hole
243 may be disposed at the first transmission housing 241, may also set up in the second transmission housing 242, in the present embodiment, be arranged by hole 243
On the first transmission housing 241.
Transmission housing 240 has the lug boss 244 for placing output worm screw 210, and output worm screw 210 is hidden in lug boss 244
It is interior.Lug boss 244 may be disposed at the first transmission housing 241, may also set up in the second transmission housing 242, raised in the present embodiment
Portion 244 is arranged on the first transmission housing 241.
Wherein, the same side of transmission housing 240 is arranged at by hole 243 and lug boss 244.
As shown in Figures 2 and 3, position of the lug boss 244 of transmission housing 240 corresponding to the helical tooth 212 of output screw 210
Put with exposed hole 245.The helical tooth 212 of output worm screw 210 is coordinated by exposed hole 245 with outer gear, drives external teeth
Wheel is rotated or mobile.
Certainly, the utility model can also have other various embodiments, spiritual and its essence without departing substantially from the utility model
In the case of, those of ordinary skill in the art work as can make various corresponding changes and deformation, but these according to the utility model
Corresponding change and deformation should all belong to the scope of the claims appended by the utility model.
Claims (10)
1. a kind of transmission case assembly, including output worm screw, is connected on a miniature circuit breaker, and the miniature circuit breaker includes electricity
Machine, the output worm screw includes worm shaft, and the motor includes motor output shaft, it is characterised in that also described including being connected to
Gear train between motor output shaft and worm shaft, by mutually putting down between motor output shaft and worm shaft described in the gear train
A capable and adjacent interval setting.
2. transmission case assembly according to claim 1, it is characterised in that the motor output shaft is setting up and down with worm shaft
Or left and right is arranged.
3. transmission case assembly according to claim 1 and 2, it is characterised in that the gear train includes：
Motor gear, is fixedly connected on the motor output shaft；
First gear, is circumferentially movably connected on the worm shaft；
Second gear, is circumferentially movably connected on the motor output shaft；And
3rd gear, is fixedly connected on the worm shaft；
Wherein, the motor output shaft drives the motor gear to rotate, and the motor gear drives the first gear to rotate,
The first gear drives the second gear to rotate, and the second gear drives the 3rd pinion rotation, the 3rd tooth
Wheel drives the worm shaft.
4. transmission case assembly according to claim 3, it is characterised in that the output worm screw has helical tooth.
5. transmission case assembly according to claim 4, it is characterised in that also including transmission housing, the transmission housing bag
Include the first transmission housing and the second transmission housing, first transmission housing and the second transmission housing are connected with by the motor
Gear, the first to the 3rd gear and output worm screw are placed in one.
6. transmission case assembly according to claim 5, it is characterised in that the transmission housing has and exported for the motor
Axle penetrate by hole.
7. transmission case assembly according to claim 5, it is characterised in that the transmission housing has places the output snail
The lug boss of bar.
8. transmission case assembly according to claim 7, it is characterised in that position of the lug boss corresponding to the helical tooth
Put with exposed hole.
9. transmission case assembly according to claim 3, it is characterised in that between the first gear and the worm shaft,
It is that gap coordinates between the second gear and the motor output shaft.
10. a kind of miniature circuit breaker, including shell, motor, transmission case assembly and the component that is connected, the motor, gearbox
Component and the component that is connected are respectively arranged at the inside the shell, it is characterised in that the transmission case assembly is claim 1-9
Transmission case assembly described in any one, be connected described in the output worm drive component.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016108194362 | 2016-09-12 | ||
| CN201610819436 | 2016-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206148302U true CN206148302U (en) | 2017-05-03 |
Family
ID=58619219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621058962.3U Active CN206148302U (en) | 2016-09-12 | 2016-09-14 | Miniature circuit breaker and transmission case group thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206148302U (en) |
-
2016
- 2016-09-14 CN CN201621058962.3U patent/CN206148302U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210106 Address after: 065800 Wen'an Economic Development Zone, Langfang City, Hebei Province Patentee after: HUAWEI BOAO (WENAN) POWER EQUIPMENT Co.,Ltd. Address before: 101300 Room 101, building 168, Dongfang Taiyang City, Shunyi District, Beijing Patentee before: Fan Guoping |