CN202008929U

CN202008929U - Flywheel type one-way transmission mechanism of electric motor

Info

Publication number: CN202008929U
Application number: CN2010206881039U
Authority: CN
Inventors: 支朝乾; 张瑞青; 谭佐生
Original assignee: ZHEJIANG FULONG ELECTRICAL SCIENCE CO Ltd
Current assignee: Fulong Electrical Science Co., Ltd.
Priority date: 2010-12-19
Filing date: 2010-12-19
Publication date: 2011-10-12
Anticipated expiration: 2020-12-19

Abstract

The utility model relates to a flywheel type one-way transmission mechanism of an electric motor. The one-way transmission mechanism comprises an electric motor, a linkage component, a manual operated component, a bearing component, and an executive component, wherein the linkage component comprises a flywheel, flywheel clamping pieces, an elastic piece, a middle bearing plate, and an upper fixed plate and a lower fixed plate fixedly mounted on the upper end surface and the lower end surface of the middle bearing plate respectively; a through groove formed on the middle bearing plate is provided with arc surfaces matched with the outer circumferential surface of the flywheel on two sides lengthways; the flywheel clamping pieces are arranged on two transverse sides of the flywheel in the through groove; the flywheel is provided with two clamping grooves corresponding to projections of the flywheel clamping pieces respectively; the elastic piece is arranged with one end abutted against the side surfaces of the flywheel clamping pieces opposite to the projections and the other end propped against the inner side surface of the through groove; and the executive component comprises a pushing plate, and a through groove is formed at one end of the pushing plate and is connected in a sliding manner with the bearing component mounted on the linkage component. The utility model has the advantages of reasonable and novel design, reliable and stable functions, and long service life.

Description

A kind of motor one-way driving mechanism of flywheel-type

Technical field

The utility model relates to a kind of motor one-way driving mechanism of flywheel-type, specifically is applied in the driving of residual current circuit breaker handle.

Background technology

The transmission mechanism of Liu Tong the electric motor driven circuit breaker of employing is mainly by following several in the market: 1, gear type interlock, this kind structure need adopt a plurality of gears to cooperatively interact, thereby cause the fitness between the gear not high, and gear wear is more serious, and owing to adopt the cost of gear higher, the transmission mechanism of using this kind structure in the market is less; 2, push-down interlock, this kind mechanism is connected owing to adopting between the push rod, and when the push rod driving handle moved, the interlock point off-center position between the push rod produced centrifugal force, moves inaccurate; In sum, because the defective that transmission mechanism exists has influenced the reliable and stable performance of product greatly, thereby has reduced useful life.

Summary of the invention

The purpose of this utility model is to overcome the defective of prior art, and a kind of novel structure, reliable and stable and can effectively improve the motor one-way driving mechanism of the flywheel-type in useful life is provided.

For achieving the above object, the utility model adopts a kind of motor one-way driving mechanism of flywheel-type, comprise motor, linkage part, manual operational unit, parts of bearings and execution unit, described linkage part is nested with on machine shaft, parts of bearings is fixedly mounted on the linkage part, wherein said linkage part comprises flywheel, the flywheel fastener, elastic component, middle loading plate and being fixedly mounted on respectively on this centre loading plate, the upper mounted plate of lower surface and bottom plate, loading plate has a groove wherein, the vertical both sides of this groove have and the adaptive arc surface of described flywheel outer circumference surface, described flywheel fastener is arranged at the both lateral sides of described flywheel in this groove respectively, and the flywheel fastener has the protuberance that points to flywheel, this protuberance is corresponding with wherein two draw-in grooves that flywheel has, elastic component the position is set is an end near the side of protuberance dorsad on the flywheel fastener, one end withstands on that (this elastic component is preferably spring on the medial surface of groove, also can be other rubber-like bolsters, as rubber parts etc.), elasticity by this elastic component can make the protuberance of flywheel fastener be stuck in the draw-in groove of flywheel, fulcrum is installed on the described linkage part, and (this fulcrum can be a screw, rivet or other equivalents), this fulcrum passes upper mounted plate, flywheel fastener and bottom plate are installed, described flywheel has the groove suitable with machine shaft, and machine shaft passes this groove drive flywheel rotation; Described execution unit comprises push pedal, support and cover plate, its cover plate is fixedly mounted on the support and forms a slideway for described push pedal slip, this slideway constitutes the spacing of longitudinal direction to push pedal, wherein an end of push pedal offers vertical groove, this groove is slidingly connected with the parts of bearings that is installed on the linkage part, described push pedal is rotated by linkage part and is made and parts of bearings slide relative in described vertical groove laterally moves back and forth thereby drive push pedal, and touches divide-shut brake.

Pass through improvements over the prior art, because the structure of this programme has adopted the flywheel-type design, the concrete course of work is clockwise rotated by machine shaft, thereby driving flywheel rotates, because the draw-in groove of flywheel and the protuberance of flywheel fastener are stuck, and the flywheel fastener is arranged in the groove of middle loading plate, thereby the flywheel that rotates drives whole linkage part rotation by the flywheel fastener, the parts of bearings that is installed on the linkage part also rotates thereupon, because the vertical groove in this parts of bearings and the push pedal is slidingly connected, and this push pedal is arranged in the slideway, push pedal played to have carried out the spacing of transverse movement, linkage part rotates a week, and push pedal laterally moves back and forth once, thereby makes the handle that is in the square hole place reach the purpose of divide-shut brake by laterally moving back and forth of push pedal; In addition and since square hole by medial surface driving handle divide-shut brake, make it with handle between realize that the face face contact, more intact protection to touch be damage to handle; Its useful technique effect is a novel structure, and has improved greatly stability, reliability and useful life.

The utility model further is set to described flywheel fastener and corresponding of flywheel is adaptive arc surface, described protuberance is positioned at an end of this arc surface, medial surface and the flywheel outer circumference surface arc transition corresponding in the wherein said draw-in groove with this arc surface, described manual operational unit comprises manual revolving fragment and loam cake and is installed in the manual revolving part that covers, manually fixedly connected with manual revolving fragment in the lower end of revolving part, can drive manual revolving fragment by the rotation manual revolving part and rotate thereupon, wherein manually the rotational trajectory of revolving fragment and described parts of bearings intersect and touch with parts of bearings.

Through above-mentioned further improvement, owing to be provided with manual operational unit, when residual current circuit breaker hinders when needing repairing for some reason, can use closing by hand easily tests, its detailed process is: external force rotation manual revolving part, the manual revolving fragment that is fixed on this manual revolving part lower end rotates thereupon, because manually the parts of bearings at the rotational trajectory of revolving fragment and the vertical groove of push pedal place intersects and touching, and parts of bearings is fixedly mounted on the linkage part, and medial surface and the flywheel outer circumference surface arc transition corresponding with the arc surface at this flywheel fastener protuberance place in the draw-in groove of flywheel, therefore, when the hand rotation linkage part clockwise rotates, the arc transition face mutual extrusion at the arc surface of flywheel fastener and flywheel draw-in groove place, the feasible length of spring compressed that is arranged on back on protuberance, thus linkage part rotates, and flywheel maintains static, along with the circular motion of linkage part, push pedal moves back and forth.This kind reasonable in design has reached the purpose of the due manual on/off switch of residual current circuit breaker on the market.

The utility model further is set to described execution unit again and also comprises the execution plate, this execution plate is installed on the push pedal lower surface, and has a concave region, the bottom surface of this concave region has a square hole, wherein the handle of residual current circuit breaker upper end places in this square hole, and the medial surface of this square hole can touch the handle divide-shut brake in the mode of face face contact along with moving back and forth of push pedal.

The utility model passes through further improvement of existing technologies, owing on the push pedal lower surface, be provided with execution plate with concave region, and have square hole on this concave region bottom surface, therefore, bigger in the upper surface of described push pedal and handle difference in height distance, in the time of in motion process, can't touching with handle, can be by the touching of the square hole realization on this execution plate concave region bottom surface with handle, and reach the purpose of divide-shut brake, make structural design more reasonable, practicality.

Of the present utility modelly further be set to described parts of bearings again and comprise rolling bearing and fixing two bearing holder (housing, cover)s up and down of rolling bearing, this parts of bearings is installed on the linkage part by screw, wherein the rolling bearing periphery is corresponding with the medial surface of described push pedal groove, and the side of described manual revolving fragment is corresponding with the upper shaft bearing sleeve side of this parts of bearings.

By above-mentioned further improvement of existing technologies,, wearing and tearing have effectively been reduced owing to adopt vertical groove of rolling bearing and push pedal to be slidingly connected.

Description of drawings

Fig. 1 is the utility model embodiment stereogram.

Fig. 2 is the stereogram that removes among Fig. 1 behind the loam cake.

Fig. 3 is the schematic perspective view of linkage part and parts of bearings among the utility model embodiment.

Fig. 4 is that linkage part removes schematic perspective view behind the upper mounted plate among Fig. 3.

Fig. 5 is the schematic perspective view of the middle loading plate of linkage part among Fig. 3.

Fig. 6 is the schematic perspective view of flywheel among the utility model embodiment.

Fig. 7 is the schematic perspective view of flywheel fastener among the utility model embodiment.

Fig. 8 is the schematic perspective view of execution unit among the utility model embodiment.

Fig. 9 is the schematic perspective view after removing push pedal among Fig. 9 and carrying out plate.

Figure 10 is the schematic perspective view of the execution plate shown in Fig. 9.

Figure 11 is the flywheel schematic perspective view of another kind of form.

Embodiment

Shown in Fig. 1-10, specific embodiment of the utility model is a kind of motor one-way driving mechanism of flywheel-type, mainly be applicable to the driving of residual current circuit breaker, comprise motor 1, linkage part 2, manual operational unit, parts of bearings 3 and execution unit 5, linkage part 2 is nested with in motor 1 rotating shaft, parts of bearings 3 is installed on the linkage part 2 by screw, by Fig. 3, Fig. 4 as can be known, linkage part 2 comprises flywheel 20, flywheel fastener 21, spring 22, middle loading plate 24 and being fixedly mounted on respectively on this centre loading plate, the upper mounted plate 23 of lower surface and bottom plate 25, in conjunction with Fig. 5 as can be known, middle loading plate 24 has a groove 240, these groove 240 vertical both sides have and the adaptive arc surface 2400 of described flywheel 20 outer circumference surfaces 200, flywheel fastener 21 is arranged at the both lateral sides of described flywheel 20 in this groove 240 respectively, flywheel fastener 21 is an inner arc surface 210 with 200 corresponding of flywheel 20 outer circumference surfaces, this inner arc surface 210 can be adaptive with flywheel 20 outer circumference surfaces 200, can be not adaptive yet, in conjunction with Fig. 7 as can be known, flywheel fastener 21 has the protuberance 211 that points to flywheel 20, this protuberance 211 is corresponding with two draw-in grooves 201 that flywheel 20 shown in Figure 6 has, the protuberance 211 of flywheel fastener 21 is positioned at an end of this inner arc surface 210, medial surface and flywheel outer circumference surface 200 arc transition corresponding in the wherein said draw-in groove 201 with this inner arc surface 210, and formation arc transition face 202, spring 22 1 ends are near the side of protuberance 211 dorsad on the flywheel fastener 21, i.e. first pressure-bearing surface 210, one end withstands on the medial surface of groove 240, i.e. second pressure-bearing surface 2401, the elasticity of this spring 22 can make the protuberance 211 of flywheel fastener 21 be stuck in the draw-in groove 201 of flywheel 20, on the described linkage part 2 screw is installed, this screw passes upper mounted plate 23, flywheel fastener 21 and bottom plate 25 are installed, this screw plays a part fulcrum, obviously, screw in the present embodiment also can be substituted by rivet or other equivalents, flywheel 20 has and the suitable groove of motor 1 rotating shaft, and this groove drive flywheel 20 rotations are passed in motor 1 rotating shaft; From Fig. 1 and Fig. 2 as can be known, manual operational unit comprises manual revolving fragment 40 and loam cake 41 and is installed in manual revolving part 42 on the loam cake 41, manually fixedly connected with manual revolving fragment 40 in the lower end of revolving part 42, can drive manual revolving fragment 40 by rotation manual revolving part 42 rotates thereupon, by Fig. 2, Fig. 3 as can be known, parts of bearings 3 comprises rolling bearing 30 and fixing two bearing holder (housing, cover)s 31 up and down of rolling bearing 30, this parts of bearings 3 is installed on the linkage part 2 by screw, by Fig. 8 and Fig. 9 as can be known, execution unit comprises push pedal 50, support 51, cover plate 52 and execution plate 53, cover plate 52 is fixedly mounted on the support 51 and forms a slideway 54 for described push pedal 50 slips, 54 pairs of push pedals of this slideway 50 constitute the spacing of longitudinal direction, one end of push pedal 50 offers vertical groove 500 of oval hole shape, in conjunction with Fig. 2 as can be known, described rolling bearing 30 outer circumference surfaces are slidingly connected with the corresponding also formation of medial surface of vertical groove 500 of described push pedal 50, the rotational trajectory of described manual revolving fragment 40 and described parts of bearings 3 intersect, and the side of described manual revolving fragment 40 is corresponding with upper shaft bearing sleeve 31 sides of parts of bearings 3; In conjunction with Figure 10 as can be known, carrying out plate 53 is installed on push pedal 50 lower surfaces, and has a concave region 530, the bottom surface of this concave region 530 has a square hole 5300, wherein the handle of residual current circuit breaker upper end places in this square hole 5300, the medial surface of this square hole 5300 can touch the handle divide-shut brake along with moving back and forth of push pedal 50, obviously, in fact only need offer a square hole in the push pedal 50 and the relevant position of handle, it also is the shake-up that can realize to the handle divide-shut brake, yet adopt after the mode of carrying out plate 53 is set on push pedal 50 lower surfaces, the scope of application is wider, also more convenient installation, because the height of push pedal 50 and handle upper end is always inconsistent in practice, even make many push pedals 50 offer square hole, also can't realize driving handle, unless readjust design size, more loaded down with trivial details, and what carry out that plate 53 has is that recessed district 530 has remedied this defective, even the handle upper end has with a certain distance from push pedal 50 lower surfaces, also can pass through touching and the divide-shut brake of square hole 5300 realizations of these concave region 530 bottom surfaces of carrying out plate 53 to handle, in addition, the execution plate 53 of present embodiment is the touching of the medial surface and the handle outer surface of square hole 5300 with contacting of handle, it is the contact of face face, the way of propelling with respect to some contacts such as existing many employing screws on the market is superior many, outer surface that can the better protection handle is not damaged the useful life of suitable prolongation; In actual use, the transmission mechanism of present employed residual current circuit breaker generally has only the life-span about 5,000 times on the market, and through the test known to, the transmission mechanism of the flywheel-type structure of present embodiment can reach up to ten thousand times useful life, this shows, after adopting this structure, improved useful life greatly.

What illustrate among Figure 11 is the flywheel 20 of another kind of form, its main distinction is for having a plurality of draw-in grooves 201, when in product, using the flywheel 20 of this kind structure, can ensure the stability and the reliability of transmission mechanism, because of in the long-term course of work, add under some special weather environment, such as weather such as frosts, bursting apart appears in draw-in groove 201 places of flywheel 20 easily, and after having adopted flywheel as shown in figure 11,, also can not change flywheel even one of them draw-in groove bursts apart, only need choose draw-in groove 201 on the flywheel 20 in addition and cooperate with the protuberance 211 of flywheel fastener 21 and get final product, improve convenience greatly.

The concrete course of work of the present utility model is as follows:

Motor-driven transmission mechanism drives flywheel by motor 1 rotating shaft and rotates, the cooperating of the protuberance of flywheel by draw-in groove and flywheel fastener driving whole linkage part rotates, thereby make the parts of bearings that is installed on the linkage part rotate thereupon, because the vertical groove of push pedal on parts of bearings and the execution unit is slidingly connected, slideway on the execution unit has constituted longitudinal spacing to push pedal, therefore, drive in the parts of bearings rotating process at linkage part, push pedal laterally moves back and forth, be arranged on the square hole medial surface and the handle touching of the execution plate on the push pedal lower surface, realize divide-shut brake residual current circuit breaker.

When residual current circuit breaker needs repairing or have a power failure by force, will use manual operational unit, its detailed process is as follows: rotate by external force and be arranged on the manual revolving part that covers, thereby drive the manual revolving fragment that is installed in manual revolving part lower end rotates thereupon, touching and promote this parts of bearings with the upper shaft bearing sleeve that is arranged on the parts of bearings on the linkage part in the rotary course of manual revolving fragment rotates, because the transition circle cambered surface at the flywheel draw-in groove place in linkage part is corresponding with the arc surface of flywheel fastener, therefore, when the hand rotation linkage part clockwise rotates, the arc transition face mutual extrusion at the arc surface of flywheel fastener and flywheel draw-in groove place, the feasible length of spring compressed that is arranged on back on protuberance, thereby linkage part rotates, and flywheel maintains static, circular motion along with linkage part, push pedal laterally moves back and forth, and is arranged on the square hole medial surface and the handle touching of the execution plate on the push pedal lower surface, the same divide-shut brake of realizing residual current circuit breaker.

Obviously, the utility model not only is confined to the technical scheme of embodiment, substitute with reversible motor rotating or with the motor that is rotated counterclockwise such as the motor with this programme, the further again design that the position shape of draw-in groove and fastener is adapted is conspicuous; Or only change the shape of flywheel fastener; contact such as changing the flywheel fastener into the face face with the contact form of the medial surface of middle loading plate; arc surface and forms such as the groove medial surface contacts; also all be foreseeable; again or with the screw of the parts of bearings in the technical solutions of the utility model with other; settings such as rivet are installed on the linkage part and substitute; also or only change the contact position of manual revolving fragment and parts of bearings etc.; and directly offer square hole in the push pedal position corresponding with handle according to what present embodiment can be contemplated to; and the driving handle divide-shut brake etc.; this a series of described improvement portion is based on the conspicuous content that spirit of the present utility model is amplified out, falls among the protection range of the present utility model.

Claims

1. the motor one-way driving mechanism of a flywheel-type, comprise motor, linkage part, manual operational unit, parts of bearings and execution unit, described linkage part is nested with on machine shaft, parts of bearings is fixedly mounted on the linkage part, it is characterized in that: described linkage part comprises flywheel, the flywheel fastener, elastic component, middle loading plate and being fixedly mounted on respectively on this centre loading plate, the upper mounted plate of lower surface and bottom plate, loading plate has a groove wherein, the vertical both sides of this groove have and the adaptive arc surface of described flywheel outer circumference surface, described flywheel fastener is arranged at the both lateral sides of described flywheel in this groove respectively, and the flywheel fastener has the protuberance that points to flywheel, this protuberance is corresponding with wherein two draw-in grooves that flywheel has, and elastic component the position is set is an end near the side of protuberance dorsad on the flywheel fastener, one end withstands on the medial surface of groove, elasticity by this elastic component can make the protuberance of flywheel fastener be stuck in the draw-in groove of flywheel, on the described linkage part fulcrum is installed, this fulcrum passes upper mounted plate, flywheel fastener and bottom plate are installed, described flywheel has the groove suitable with machine shaft, and machine shaft passes this groove drive flywheel rotation; Described execution unit comprises push pedal, support and cover plate, its cover plate is fixedly mounted on the support and forms a slideway for described push pedal slip, this slideway constitutes the spacing of longitudinal direction to push pedal, wherein an end of push pedal offers vertical groove, and this groove is slidingly connected with the parts of bearings that is installed on the linkage part.

2. the motor one-way driving mechanism of flywheel-type according to claim 1, it is characterized in that: corresponding of described flywheel fastener and flywheel are adaptive arc surface, described protuberance is positioned at an end of this arc surface, medial surface and the flywheel outer circumference surface arc transition corresponding in the wherein said draw-in groove with this arc surface, described manual operational unit comprises manual revolving fragment and loam cake and is installed in the manual revolving part that covers, manually fixedly connected with manual revolving fragment in the lower end of revolving part, can drive manual revolving fragment by the rotation manual revolving part and rotate thereupon, wherein manually the rotational trajectory of revolving fragment and described parts of bearings intersect and touch with parts of bearings.

3. the motor one-way driving mechanism of flywheel-type according to claim 1 and 2, it is characterized in that: described execution unit also comprises the execution plate, this execution plate is installed on the push pedal lower surface, and has a concave region, the bottom surface of this concave region has a square hole, and the medial surface of this square hole can touch the handle divide-shut brake along with moving back and forth of push pedal.

4. the motor one-way driving mechanism of flywheel-type according to claim 1 and 2, it is characterized in that: parts of bearings comprises rolling bearing and fixing two bearing holder (housing, cover)s up and down of rolling bearing, this parts of bearings is installed on the linkage part by screw, wherein the rolling bearing periphery is corresponding with the medial surface of described push pedal groove, and the side of described manual revolving fragment is corresponding with the upper shaft bearing sleeve side of this parts of bearings.

5. the motor one-way driving mechanism of flywheel-type according to claim 1 and 2, it is characterized in that: described elastic component is spring or rubber-like rubber parts; Fulcrum on the described linkage part is the fixing screw of upper mounted plate, flywheel fastener and bottom plate; Described flywheel has two draw-in grooves at least.