CN106449311A

CN106449311A - Small-sized low-voltage switch

Info

Publication number: CN106449311A
Application number: CN201610395986.6A
Authority: CN
Inventors: 胡小青
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-08-02
Filing date: 2013-08-02
Publication date: 2017-02-22
Also published as: CN106158543A; CN106298393A; CN106158541A; CN103400708B; CN106158542A; CN106298392A; CN103400708A

Abstract

The invention discloses a small-sized low-voltage switch. The small-sized low-voltage switch comprises a small-sized low-voltage switch body, wherein the small-sized low-voltage switch body comprises a shell and a manual triggering handle which extends out of the shell and is used for switching-on and switching-off; the small-sized low-voltage switch is characterized by also comprising an electric switch-on and switch-off apparatus for driving the manual triggering handle to perform switch-on and switch-off actions; the electric switch-on and switch-off apparatus has an insulating shell, a shifting handle which extends out of the insulating shell, and an electric mechanism for driving the shifting handle to shift in a reciprocating manner; the shifting handle and the manual triggering handle on the small-sized low-voltage switch body are fixedly arranged relatively; and the electric switch-on and switch-off apparatus drives the manual triggering handle to perform the switch-on and switch-off actions through the shifting handle. The small-sized low-voltage switch is relatively attractive in appearance, and relatively convenient to install and use.

Description

A kind of Miniature low-voltage switch

Technical field

The invention belongs to Miniature low-voltage switch structure-design technique field.

Background technology

Current Miniature low-voltage switch（The Miniature low-voltage switch of such as C45 type or DZ47 type）Although extensively apply and family In supply line, but the restriction due to its small volume and self structure, it is difficult to install electrodynamic type close/open machine additional.At present Also there is the Miniature low-voltage switch individually with electronic divide-shut brake function on market, its structure has following two：（1）Electronic division Brake mechanism is built in Miniature low-voltage switch housing, namely with Miniature low-voltage switch in binding post, operating mechanism, transshipped Stream protection mechanism is arranged in same housing, and its structure is complex, is susceptible to fault；Further, since electronic division at present The market of lock formula Miniature low-voltage switch is less, and enterprise produces the electronic opening and closing type Miniature low-voltage switch of this integral type, set The brand-new structure of meter, mould and production procedure, put into larger；（2）External for electronic close/open machine in Miniature low-voltage switch shell On external wall, such as air switch controller disclosed in patent documentation CN201302949Y；The shortcoming of this structure is profile Ugly, additionally, due to using the guide tracked installation of DIN, its reserved peace in the Miniature low-voltage switch main flow of C45 type or DZ47 type Dress space is normalized, it is difficult to meet the space requirement for taking required for this outlet structure.

In addition, guide tracked installation of DIN is a kind of common mounting means of industrial electric element, and define at the international level Certain standard, supports that the electrical equipment of this standard easily can be stuck on guide rail and need not be screwed, dismantles and safeguard Also very convenient.The width of common guide rail is 35mm, some novel air switch such as DZ47-63 series, catalyst CJX1,2,8 Series, chopper DZ-108 series, miniature relay, portion of time relay etc. all employ this standard.

Content of the invention

It is an object of the invention to provide a kind of profile is more attractive in appearance, it is more convenient to install, using more convenient, with electronic The Miniature low-voltage switch of divide-shut brake function.

The technical scheme for realizing the object of the invention is：A kind of Miniature low-voltage switch, including Miniature low-voltage switch body, small-sized Low tension switch body includes housing and stretches out the manual trigger piece of divide-shut brake of housing；It is characterized in that：Also include to start for band Dynamic trigger piece carries out the electronic switching off/on device of divide-shut brake action；Electronic switching off/on device has insulation crust, stretches out insulation crust Dial handle and dial the motor drive mechanism back and forth stirred of handle for driving；Pulling manually on described group of handle and Miniature low-voltage switch body Handle is relatively fixed setting, and described group of handle is arranged on the side of the manual trigger piece on Miniature low-voltage switch body and adjacent fixation sets Put, drive Xia Rao mono- center reciprocating rotation of the handle in motor drive mechanism is dialled, and Timing Belt trigger piece of starting carries out divide-shut brake action；Electricity Motivation structure includes the linkage gear component of motor, thumb wheel and linkage output gear and thumb wheel with output gear, described Motor drives thumb wheel reciprocating rotation by linkage gear component, and and then driven by thumb wheel and dial handle reciprocating rotation, group handle by In setting is relatively fixed with manual trigger piece, so as to drive manual trigger piece to carry out divide-shut brake action；It is fixed with the thumb wheel and dials Plate, the outboard end of the plate stretches out insulation crust as group handle；The linkage gear component include the master gear that is coaxially disposed and Pinion, master gear and thumb wheel are the circumference gears for being equipped with the gear teeth on whole excircle, pinion be on whole excircle only There is the sector gear being just toothed around at partial arc, master gear engages setting with output gear, and pinion is engaged with thumb wheel and set Put；Also include a bidirectional clutch being coaxially disposed with master gear, pinion, the bidirectional clutch causes motor positive and negative During rotation, all thumb wheel rotation is driven by linkage gear component；The linkage gear component includes to be fixedly installed on bearing pin Master gear, the pinion being slidably arranged on bearing pin, the coil being arranged on master gear, the yoke being arranged on pinion, use In pinion away from master gear the direction back-moving spring for pushing away, the ball being arranged between master gear and pinion； The proximal surface of the adjacent pinion of master gear is provided with multiple spacing holes be arrangeding in parallel with bearing pin bearing of trend, and ball is located at limit The opening in position hole, each back-moving spring is located in a corresponding spacing hole, and its outboard end is connected on ball, and protrudes ball It is used for adjoining the proximal surface of pinion in master gear；Adsorb yoke after coil electricity, so as to overcome the elastic force of back-moving spring, drive Pinion is connected on the proximal surface of master gear, and now master gear drives pinion rotation by the effect of frictional force, and then carries Dynamic thumb wheel is rotated；Spacing hole be respectively arranged at the two ends with a screw plug, for preventing ball and back-moving spring from dropping out.

The present invention motor drive mechanism in the insulation crust, and make it have stretch out insulation crust dial handle, concrete real In trampling, insulation crust can be made onesize with the housing of the Miniature low-voltage switch body being adapted to so as to can with little Type low tension switch body is snapped fitted on external DIN guide rail side by side, so as to good looking appearance, install convenient, easy to use excellent Point.Arrange with the split of Miniature low-voltage switch body additionally, due to the electronic switching off/on device in the present invention, do not affect original small-sized The manufacturing of low tension switch, for enterprise, can by outsourcing or separately fabricated by way of obtain electronic divide-shut brake dress Put, so as to effectively reduce fund input, reduce integrated cost.

Description of the drawings

Fig. 1 is a kind of perspective view of the first structure of the present invention；

Fig. 2 be Miniature low-voltage switch shown in Fig. 1 from another angle observe when a kind of perspective view；

Fig. 3 is a kind of perspective view of electronic switching off/on device in Miniature low-voltage switch shown in Fig. 1；

Fig. 4 be electronic switching off/on device shown in Fig. 3 from another angle observe when a kind of perspective view；

Fig. 5 is a kind of decomposing schematic representation of electronic switching off/on device shown in Fig. 3；

Fig. 6 is a kind of decomposing schematic representation of motor drive mechanism in second structure of the present invention；

Fig. 7 is a kind of structural representation of linkage gear component in the third structure of the present invention；

Fig. 8 is a kind of decomposition texture schematic diagram of the 4th kind of structure of the present invention.

Specific embodiment

（Embodiment 1）

Fig. 1 to Fig. 5 shows the first specific embodiment of the present invention, and wherein Fig. 1 is one kind of the first structure of the present invention Perspective view；Fig. 2 be Miniature low-voltage switch shown in Fig. 1 from another angle observe when a kind of perspective view； Fig. 3 is a kind of perspective view of electronic switching off/on device in Miniature low-voltage switch shown in Fig. 1；Fig. 4 is electronic shown in Fig. 3 Switching off/on device from another angle observe when a kind of perspective view；Fig. 5 is of electronic switching off/on device shown in Fig. 3 Plant decomposing schematic representation.

The present embodiment is a kind of Miniature low-voltage switch, as shown in Fig. 1 to Fig. 5, including Miniature low-voltage switch body 1, small-sized The divide-shut brake that low tension switch body includes housing 11, stretch out housing is guide tracked with manual trigger piece 12 and the DIN being arranged on housing Clamping mechanism 13；Its construction features is：Also include for driving manual trigger piece to carry out the electronic divide-shut brake dress of divide-shut brake action Put 2；Electronic switching off/on device has insulation crust 3, stretches out dialling handle 4, dialling, for drive, the electricity that handle is back and forth stirred for insulation crust Motivation structure 5 and the guide tracked clamp portion 6 of DIN being arranged on insulation crust；Handss on described group of handle and Miniature low-voltage switch body Dynamic trigger piece is relatively fixed setting, and electronic switching off/on device carries out divide-shut brake action by dialling grip strip trigger piece of starting.

Motor drive mechanism in the present embodiment includes motor 52 with output gear 51, thumb wheel 53 and linkage output The linkage gear component 54 of gear and thumb wheel, the motor drives thumb wheel reciprocating rotation by linkage gear component, and further Being driven by thumb wheel and handle reciprocating rotation is dialled, dials handle due to setting being relatively fixed with manual trigger piece, so as to drive manual trigger piece to carry out Divide-shut brake action.Plate 55 is fixed with the thumb wheel, and the outboard end of the plate stretches out insulation crust as group handle.

In the present embodiment, the linkage gear component includes the master gear 541 being coaxially disposed and pinion 542, master gear It is the circumference gear that is equipped with the gear teeth on whole excircle with thumb wheel, pinion is that only have on whole excircle at partial arc The sector gear being toothed around, master gear engages setting with output gear, and pinion engages setting with thumb wheel.

If using startup rotary resistance less motor during power-off, namely less power can be driven under off-position Motor drive mechanism reciprocating rotation, then the presence of this kind of electronic switching off/on device do not interfere with the overload of Miniature low-voltage switch, short Road trip protection.

In addition, when the motor larger from resistance, namely the power of Miniature low-voltage switch tripping operation is unable to driving electric mechanism Reciprocating rotation, then can also arrange a bidirectional clutch being coaxially disposed with master gear, pinion 543, the bidirectional clutch Presence when motor forward/backward rotation can be caused to move, all thumb wheel rotation can be driven by linkage gear component, again can be electronic Under machine off-position, its group of handle will not hinder the overload of Miniature low-voltage switch, short-circuit protection tripping operation.

In the present embodiment, dial handle and manual trigger piece is relatively fixed setting by a pin 7.

（Embodiment 2）

Fig. 6 is a kind of decomposing schematic representation of motor drive mechanism in second structure of the present invention, it is shown that second of the present invention is concrete Embodiment.

The present embodiment is substantially the same manner as Example 1, and difference is：Linkage gear component in the present embodiment only includes Master gear 541, bearing pin 544 and bidirectional clutch 543, master gear directly engages setting with thumb wheel；Output gear, master gear and dial Wheel is all the circumference gear being toothed around on whole circumference outer wall.This embodiment simplifies the structure of wheel moving gear, in embodiment 1 On the basis of eliminate pinion, in the present embodiment, the angle of thumb wheel reciprocating rotation is the angle for relying on motor rotation controlling System.

（Embodiment 3）

Fig. 7 is a kind of structural representation of linkage gear component in the third structure of the present invention, it is shown that the present invention the third Specific embodiment.

The present embodiment is substantially the same manner as Example 1, and difference is：As shown in Figure 7, the linkage gear component includes The master gear 541 being fixedly installed on bearing pin 544, the pinion 542 being slidably arranged on bearing pin, the line being arranged on master gear The circle 545, yoke 546 that is arranged on pinion, for pinion away from master gear the back-moving spring that pushes away of direction 547th, the ball 548 being arranged between master gear and pinion；The proximal surface 5411 of the adjacent pinion of master gear is provided with many The individual spacing hole 549 be arrangeding in parallel with bearing pin bearing of trend, ball is located at the opening of spacing hole, and each back-moving spring is located at corresponding In one spacing hole, its outboard end is connected on ball, and makes ball protrude from master gear for adjoining the proximal surface of pinion； Adsorb yoke after coil electricity, so as to overcome the elastic force of back-moving spring, drive pinion to be connected on the proximal surface of master gear, this When master gear pinion rotation is driven by the effect of frictional force, and then drive thumb wheel rotation.

In the present embodiment, spacing hole be respectively arranged at the two ends with a screw plug 100, for preventing ball and back-moving spring from dropping out.

（Embodiment 4）

Fig. 8 is a kind of decomposition texture schematic diagram of the 4th kind of structure of the present invention, it is shown that the 4th kind of specific embodiment party of the present invention Formula.

The present embodiment is substantially the same manner as Example 1, and difference is：As shown in Figure 8, handle and manual trigger piece are dialled by one Shackle member 8 is relatively fixed setting, and the shackle member includes linkage part 81 and is set in the socket part 82 that dials on handle and manual trigger piece.

Require emphasis and be pointed out that, although embodiment 1 gives the specific embodiment party of several motor drive mechanisms to embodiment 4 Formula, but can drive and dial handle and back and forth stirred, and and then drive the manual trigger piece of divide-shut brake of miniature circuit breaker body to carry out The motor drive mechanism of divide-shut brake action, its structure change is multiterminal, as long as motor drive mechanism be small enough to be built in small-sized In the insulation crust of the same profile of breaker body housing and size.

Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not right The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description To make other changes in different forms.There is no need to be exhaustive to all of embodiment.And these Belong to obvious change that the connotation of the present invention extended out or change and still fall within protection scope of the present invention.

Claims

1. a kind of Miniature low-voltage switch, including Miniature low-voltage switch body, Miniature low-voltage switch body includes housing and stretches out shell The manual trigger piece of the divide-shut brake of body；It is characterized in that：Also include for driving manual trigger piece to carry out electronic point of divide-shut brake action Closing device；Electronic switching off/on device has insulation crust, group handle for stretching out insulation crust and for driving group handle back and forth to dial Dynamic motor drive mechanism；Manual trigger piece on described group of handle and Miniature low-voltage switch body is relatively fixed setting, and described group of handle is arranged The side of the manual trigger piece on Miniature low-voltage switch body and adjacent be fixedly installed, dial handle around one under the drive of motor drive mechanism Center reciprocating rotation, and Timing Belt trigger piece of starting carries out divide-shut brake action；Motor drive mechanism is included with the electronic of output gear The linkage gear component of machine, thumb wheel and linkage output gear and thumb wheel, the motor is driven by linkage gear component and dials Wheel reciprocating rotation, and further group handle reciprocating rotation is driven by thumb wheel, dial handle due to setting being relatively fixed with manual trigger piece, so as to Manual trigger piece is driven to carry out divide-shut brake action；Plate is fixed with the thumb wheel, the outboard end of the plate stretches out insulation crust As group handle；The linkage gear component includes that master gear and the pinion being coaxially disposed, master gear and thumb wheel are entirely cylindrical The circumference gear of the gear teeth is equipped with week, and pinion is that only have the sector being just toothed around at partial arc on whole excircle Wheel, master gear engages setting with output gear, and pinion engages setting with thumb wheel；Also include one with master gear, pinion together The bidirectional clutch that axle is arranged, the bidirectional clutch is caused motor in positive and negative rotation, is all driven by linkage gear component Thumb wheel is rotated；The linkage gear component includes the master gear being fixedly installed on bearing pin, the secondary tooth being slidably arranged on bearing pin Wheel, the coil being arranged on master gear, the yoke being arranged on pinion, for pinion away from master gear direction The back-moving spring for pushing away, the ball being arranged between master gear and pinion；Set on the proximal surface of the adjacent pinion of master gear There are multiple spacing holes be arrangeding in parallel with bearing pin bearing of trend, ball is located at the opening of spacing hole, and each back-moving spring is located at phase Answering in a spacing hole, its outboard end is connected on ball, and makes ball master gear be protruded from for adjoining the adjacent of pinion Face；Adsorb yoke after coil electricity, so as to overcome the elastic force of back-moving spring, drive pinion to be connected to the proximal surface of master gear On, now master gear drives pinion rotation by the effect of frictional force, and then drives thumb wheel rotation；The two ends of spacing hole respectively set There is a screw plug, for preventing ball and back-moving spring from dropping out.